Fixed preview button labels

Previewer - ViewModel for PreviewerWindow

.editorconfig

@@ -0,0 +1,131 @@
+# Rules in this file were initially inferred by Visual Studio IntelliCode from the D:\GithubRepos\QuestPDF codebase based on best match to current usage at 16.03.2022
+# You can modify the rules from these initially generated values to suit your own policies
+# You can learn more about editorconfig here: https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-code-style-settings-reference
+[*.cs]
+
+
+#Core editorconfig formatting - indentation
+
+#use soft tabs (spaces) for indentation
+indent_style = space
+
+#Formatting - new line options
+
+#place catch statements on a new line
+csharp_new_line_before_catch = true
+#place else statements on a new line
+csharp_new_line_before_else = true
+#require members of anonymous types to be on separate lines
+csharp_new_line_before_members_in_anonymous_types = true
+#require members of object intializers to be on separate lines
+csharp_new_line_before_members_in_object_initializers = true
+#require braces to be on a new line for object_collection_array_initializers, methods, anonymous_types, control_blocks, types, and lambdas (also known as "Allman" style)
+csharp_new_line_before_open_brace =all
+
+#Formatting - organize using options
+
+#sort System.* using directives alphabetically, and place them before other usings
+dotnet_sort_system_directives_first = true
+
+#Formatting - spacing options
+
+#require NO space between a cast and the value
+csharp_space_after_cast = false
+#require a space before the colon for bases or interfaces in a type declaration
+csharp_space_after_colon_in_inheritance_clause = true
+#require a space after a keyword in a control flow statement such as a for loop
+csharp_space_after_keywords_in_control_flow_statements = true
+#require a space before the colon for bases or interfaces in a type declaration
+csharp_space_before_colon_in_inheritance_clause = true
+#remove space within empty argument list parentheses
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+#remove space between method call name and opening parenthesis
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+#do not place space characters after the opening parenthesis and before the closing parenthesis of a method call
+csharp_space_between_method_call_parameter_list_parentheses = false
+#remove space within empty parameter list parentheses for a method declaration
+csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
+#place a space character after the opening parenthesis and before the closing parenthesis of a method declaration parameter list.
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+
+#Formatting - wrapping options
+
+#leave code block on single line
+csharp_preserve_single_line_blocks = true
+
+#Style - Code block preferences
+
+#prefer no curly braces if allowed
+csharp_prefer_braces = false:suggestion
+
+#Style - expression bodied member options
+
+#prefer block bodies for constructors
+csharp_style_expression_bodied_constructors = false:suggestion
+#prefer block bodies for methods
+csharp_style_expression_bodied_methods = false:suggestion
+#prefer expression-bodied members for properties
+csharp_style_expression_bodied_properties = true:suggestion
+
+#Style - expression level options
+
+#prefer out variables to be declared inline in the argument list of a method call when possible
+csharp_style_inlined_variable_declaration = true:suggestion
+#prefer the language keyword for member access expressions, instead of the type name, for types that have a keyword to represent them
+dotnet_style_predefined_type_for_member_access = true:suggestion
+
+#Style - Expression-level  preferences
+
+#prefer objects to be initialized using object initializers when possible
+dotnet_style_object_initializer = true:suggestion
+#prefer inferred anonymous type member names
+dotnet_style_prefer_inferred_anonymous_type_member_names = false:suggestion
+#prefer inferred tuple element names
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+
+#Style - implicit and explicit types
+
+#prefer var over explicit type in all cases, unless overridden by another code style rule
+csharp_style_var_elsewhere = true:suggestion
+#prefer var is used to declare variables with built-in system types such as int
+csharp_style_var_for_built_in_types = true:suggestion
+#prefer var when the type is already mentioned on the right-hand side of a declaration expression
+csharp_style_var_when_type_is_apparent = true:suggestion
+
+#Style - language keyword and framework type options
+
+#prefer the language keyword for local variables, method parameters, and class members, instead of the type name, for types that have a keyword to represent them
+dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
+
+#Style - Miscellaneous preferences
+
+#prefer local functions over anonymous functions
+csharp_style_pattern_local_over_anonymous_function = true:suggestion
+
+#Style - modifier options
+
+#prefer accessibility modifiers to be declared except for public interface members. This will currently not differ from always and will act as future proofing for if C# adds default interface methods.
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:suggestion
+
+#Style - Modifier preferences
+
+#when this rule is set to a list of modifiers, prefer the specified ordering.
+csharp_preferred_modifier_order = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async:silent
+
+#Style - Pattern matching
+
+#prefer pattern matching instead of is expression with type casts
+csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
+
+#Style - qualification options
+
+#prefer fields not to be prefaced with this. or Me. in Visual Basic
+dotnet_style_qualification_for_field = false:suggestion
+#prefer methods not to be prefaced with this. or Me. in Visual Basic
+dotnet_style_qualification_for_method = false:suggestion
+#prefer properties not to be prefaced with this. or Me. in Visual Basic
+dotnet_style_qualification_for_property = false:suggestion
+
+[*.{cs,vb}]
+tab_width=4
+indent_size=4

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,70 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ main ]
+  schedule:
+    - cron: '22 16 * * 5'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'csharp' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+        # Learn more about CodeQL language support at https://git.io/codeql-language-support
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

QuestPDF.Examples/BarCode.cs

@@ -1,32 +0,0 @@
-using System.IO;
-using NUnit.Framework;
-using QuestPDF.Drawing;
-using QuestPDF.Examples.Engine;
-using QuestPDF.Fluent;
-using QuestPDF.Helpers;
-using QuestPDF.Infrastructure;
-
-namespace QuestPDF.Examples
-{
-    public class BarCode
-    {
-        [Test]
-        public void Example()
-        {
-            FontManager.RegisterFontType("LibreBarcode39", File.OpenRead("LibreBarcode39-Regular.ttf"));
-            
-            RenderingTest
-                .Create()
-                .PageSize(400, 100)
-                .ShowResults()
-                .Render(container =>
-                {
-                    container
-                        .Background(Colors.White)
-                        .AlignCenter()
-                        .AlignMiddle()
-                        .Text("*QuestPDF*", TextStyle.Default.FontType("LibreBarcode39").Size(64));
-                });
-        }
-    }
-}

QuestPDF.Examples/BarcodeExamples.cs

@@ -1,4 +1,6 @@
-using NUnit.Framework;
+using System.IO;
+using NUnit.Framework;
+using QuestPDF.Drawing;
 using QuestPDF.Examples.Engine;
 using QuestPDF.Fluent;
 using QuestPDF.Helpers;
@@ -6,26 +8,27 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Examples
 {
-    [TestFixture]
     public class BarcodeExamples
     {
         [Test]
-        public void Barcode()
+        public void Example()
         {
+            FontManager.RegisterFont(File.OpenRead("LibreBarcode39-Regular.ttf"));
+            
             RenderingTest
                 .Create()
-                .PageSize(300, 300)
+                .PageSize(400, 200)
+                .ShowResults()
                 .Render(container =>
                 {
                     container
-                        .Background("#FFF")
-                        .Padding(25)
-                        .Stack(stack =>
-                        {
-                            stack.Item().Border(1).Background(Colors.Grey.Lighten3).Padding(5).Text("Barcode Example");
-                            stack.Item().Border(1).Padding(5).AlignCenter().Text("*123456789*", TextStyle.Default.FontType("CarolinaBar-Demo-25E2").Size(20));
-                        });
+                        .Background(Colors.White)
+                        .AlignCenter()
+                        .AlignMiddle()
+                        .Text("*QuestPDF*")
+                        .FontFamily("Libre Barcode 39")
+                        .FontSize(64);
                 });
         }
     }
-}
+}

QuestPDF.Examples/CanvasExamples.cs

@@ -0,0 +1,60 @@
+using Microcharts;
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Examples
+{
+    public class CanvasExamples
+    {
+        [Test]
+        public void BorderRadius()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(175, 100)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Background(Colors.Grey.Lighten2)
+                        .Padding(25)
+                        .MinimalBox()
+                        .Layers(layers =>
+                        {
+                            layers.Layer().Canvas((canvas, size) =>
+                            {
+                                DrawRoundedRectangle(Colors.White, false);
+                                DrawRoundedRectangle(Colors.Blue.Darken2, true);
+
+                                void DrawRoundedRectangle(string color, bool isStroke)
+                                {
+                                    using var paint = new SKPaint
+                                    {
+                                        Color = SKColor.Parse(color),
+                                        IsStroke = isStroke,
+                                        StrokeWidth = 2,
+                                        IsAntialias = true
+                                    };
+                                
+                                    canvas.DrawRoundRect(0, 0, size.Width, size.Height, 20, 20, paint);
+                                }
+                            });
+                            
+                            layers
+                                .PrimaryLayer()
+                                .PaddingVertical(10)
+                                .PaddingHorizontal(20)
+                                .Text("Sample text")
+                                .FontSize(16)
+                                .FontColor(Colors.Blue.Darken2)
+                                .SemiBold();
+                        });
+                });
+        }
+    }
+}

QuestPDF.Examples/ChartExamples.cs

@@ -52,14 +52,17 @@ namespace QuestPDF.Examples
                     container
                         .Background(Colors.White)
                         .Padding(25)
-                        .Stack(stack =>
+                        .Column(column =>
                         {
-                            stack
+                            column
                                 .Item()
                                 .PaddingBottom(10)
-                                .Text("Chart example", TextStyle.Default.Size(20).SemiBold().Color(Colors.Blue.Medium));
+                                .Text("Chart example")
+                                .FontSize(20)
+                                .SemiBold()
+                                .FontColor(Colors.Blue.Medium);
                             
-                            stack
+                            column
                                 .Item()
                                 .Border(1)
                                 .ExtendHorizontal()

QuestPDF.Examples/ColumnExamples.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Linq;
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class ColumnExamples
+    {
+        [Test]
+        public void Column()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ShowResults()
+                .ProducePdf()
+                .Render(container =>
+                {
+                    container.Column(column =>
+                    {
+                        foreach (var i in Enumerable.Range(0, 10))
+                            column.Item().Element(Block);
+
+                        static void Block(IContainer container)
+                        {
+                            container
+                                .Width(72)
+                                .Height(3.5f, Unit.Inch)
+                                .Height(1.5f, Unit.Inch)
+                                .Background(Placeholders.BackgroundColor());
+                        }
+                    });
+                });
+        }
+        
+        [Test]
+        public void Stability_NoItems()
+        {
+            RenderingTest
+                .Create()
+                .ProducePdf()
+                .MaxPages(100)
+                .PageSize(250, 150)
+                .Render(container =>
+                {
+                    container
+                        .Padding(25)
+                        .Column(column => { });
+                });
+        }
+    }
+}

QuestPDF.Examples/ComplexLayoutBenchmark.cs

@@ -16,7 +16,7 @@ namespace QuestPDF.Examples
                 .PageSize(PageSizes.A4)
                 .ProducePdf()
                 .ShowResults()
-                .Render(x => GenerateStructure(x, 16));
+                .Render(x => GenerateStructure(x, 12));
         }
 
         private void GenerateStructure(IContainer container, int level)
@@ -36,8 +36,8 @@ namespace QuestPDF.Examples
                     .BorderColor(Colors.Black)
                     .Row(row =>
                     {
-                        row.RelativeColumn().Element(x => GenerateStructure(x, level));
-                        row.RelativeColumn().Element(x => GenerateStructure(x, level));
+                        row.RelativeItem().Element(x => GenerateStructure(x, level));
+                        row.RelativeItem().Element(x => GenerateStructure(x, level));
                     });
             }
             else
@@ -45,10 +45,10 @@ namespace QuestPDF.Examples
                 container
                     .Border(level / 4f)
                     .BorderColor(Colors.Black)
-                    .Stack(stack =>
+                    .Column(column =>
                     {
-                        stack.Item().Element(x => GenerateStructure(x, level));
-                        stack.Item().Element(x => GenerateStructure(x, level));
+                        column.Item().Element(x => GenerateStructure(x, level));
+                        column.Item().Element(x => GenerateStructure(x, level));
                     });
             }
         }

QuestPDF.Examples/ContinousPage.cs

@@ -22,10 +22,10 @@ namespace QuestPDF.Examples
                 
                 page.Header().Text("Header");
                 
-                page.Content().PaddingVertical(10).Border(1).Padding(10).Stack(stack =>
+                page.Content().PaddingVertical(10).Border(1).Padding(10).Column(column =>
                 {
                     foreach (var index in Enumerable.Range(1, 100))
-                        stack.Item().Text($"Line {index}", TextStyle.Default.Color(Placeholders.Color()));
+                        column.Item().Text($"Line {index}").FontColor(Placeholders.Color());
                 });
                 
                 page.Footer().Text("Footer");

QuestPDF.Examples/DebuggingTesting.cs

@@ -9,7 +9,7 @@ namespace QuestPDF.Examples
     public class DebuggingTesting
     {
         [Test]
-        public void Stack()
+        public void Column()
         {
             Assert.Throws<DocumentLayoutException>(() =>
             {
@@ -23,7 +23,7 @@ namespace QuestPDF.Examples
                             .Width(100)
                             .Background(Colors.Grey.Lighten3)
                             .DebugPointer("Example debug pointer")
-                            .Stack(x =>
+                            .Column(x =>
                             {
                                 x.Item().Text("Test");
                                 x.Item().Width(150);

QuestPDF.Examples/DefaultTextStyleExample.cs

@@ -13,7 +13,7 @@ namespace QuestPDF.Examples
         {
             RenderingTest
                 .Create()
-                .ProduceImages()
+                .ProducePdf()
                 .ShowResults()
                 .RenderDocument(container =>
                 {
@@ -24,13 +24,13 @@ namespace QuestPDF.Examples
                     
                         page.Margin(20);
                         page.Size(PageSizes.A4);
-                        page.Background(Colors.White);
+                        page.PageColor(Colors.White);
         
-                        page.Content().Stack(stack =>
+                        page.Content().Column(column =>
                         {
-                            stack.Item().Text(Placeholders.Sentence());
+                            column.Item().Text(Placeholders.Sentence());
                         
-                            stack.Item().Text(text =>
+                            column.Item().Text(text =>
                             {
                                 // text in this block is additionally semibold
                                 text.DefaultTextStyle(TextStyle.Default.SemiBold());
@@ -38,7 +38,7 @@ namespace QuestPDF.Examples
                                 text.Line(Placeholders.Sentence());
                             
                                 // this text has size 20 but also semibold and red
-                                text.Span(Placeholders.Sentence(), TextStyle.Default.Color(Colors.Red.Medium));
+                                text.Span(Placeholders.Sentence()).FontColor(Colors.Red.Medium);
                             });
                         });
                     });

QuestPDF.Examples/DefaultTextStyleExamples.cs

@@ -0,0 +1,54 @@
+using System.Drawing;
+using System.Linq;
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class DefaultTextStyleExamples
+    {
+        [Test]
+        public void Placeholder()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(220, 270)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .DefaultTextStyle(TextStyle.Default.Bold().Underline())
+                        .Column(column =>
+                        { 
+                            column.Item().Text("Default style applies to all children");
+                            column.Item().Text("You can override certain styles").Underline(false).FontColor(Colors.Green.Darken2);
+                            
+                            column.Item().PaddingTop(10).Border(1).Grid(grid =>
+                            {
+                                grid.Columns(4);
+
+                                foreach (var i in Enumerable.Range(1, 16))
+                                {
+                                    grid.Item()
+                                        .Border(1)
+                                        .BorderColor(Colors.Grey.Lighten1)
+                                        .Background(Colors.Grey.Lighten3)
+                                        .Width(50)
+                                        .Height(50)
+                                        .AlignCenter()
+                                        .AlignMiddle()
+                                        .Text(i)
+                                        .FontSize(16 + i / 4);   
+                                }
+                            });
+                        });
+                });
+        }
+    }
+}

QuestPDF.Examples/DifferentHeaderOnFirstPageExample.cs

@@ -0,0 +1,55 @@
+using System.Linq;
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class DifferentHeaderOnFirstPageExample
+    {
+        [Test]
+        public void Placeholder()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A6)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .RenderDocument(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Size(PageSizes.A6);
+                        page.Margin(5);
+                        page.PageColor(Colors.White);
+                        
+                        page.Header().Column(column =>
+                        {
+                            column.Item().ShowOnce().Background(Colors.Blue.Lighten2).Height(60);
+                            column.Item().SkipOnce().Background(Colors.Green.Lighten2).Height(40);
+                        });
+                        
+                        page.Content().PaddingVertical(10).Column(column =>
+                        {
+                            column.Spacing(10);
+
+                            foreach (var _ in Enumerable.Range(0, 13))
+                                column.Item().Background(Colors.Grey.Lighten2).Height(40);
+                        });
+                        
+                        page.Footer().AlignCenter().Text(text =>
+                        {
+                            text.DefaultTextStyle(TextStyle.Default.Size(16));
+                            
+                            text.CurrentPageNumber();
+                            text.Span(" / ");
+                            text.TotalPages();
+                        });
+                    });
+                });
+        }
+    }
+}

QuestPDF.Examples/ElementExamples.cs

@@ -40,10 +40,12 @@ namespace QuestPDF.Examples
                         .Decoration(decoration =>
                         {
                             decoration
-                                .Header()
+                                .Before()
                                 .Background(Colors.Grey.Medium)
                                 .Padding(10)
-                                .Text("Notes", TextStyle.Default.Size(16).Color("#FFF"));
+                                .Text("Notes")
+                                .FontSize(16)
+                                .FontColor("#FFF");
                     
                             decoration
                                 .Content()
@@ -66,27 +68,27 @@ namespace QuestPDF.Examples
                     container
                         .Background("#FFF")
                         .Padding(20)
-                        .Stack(stack =>
+                        .Column(column =>
                         {
-                            stack.Item()
+                            column.Item()
                                 .PaddingBottom(10)
                                 .AlignCenter()
                                 .Text("This Row element is 700pt wide");
 
-                            stack.Item().Row(row =>
+                            column.Item().Row(row =>
                             {
-                                row.ConstantColumn(100)
+                                row.ConstantItem(100)
                                     .Background(Colors.Grey.Lighten1)
                                     .Padding(10)
                                     .ExtendVertical()
                                     .Text("This column is 100 pt wide");
 
-                                row.RelativeColumn()
+                                row.RelativeItem()
                                     .Background(Colors.Grey.Lighten2)
                                     .Padding(10)
                                     .Text("This column takes 1/3 of the available space (200pt)");
 
-                                row.RelativeColumn(2)
+                                row.RelativeItem(2)
                                     .Background(Colors.Grey.Lighten3)
                                     .Padding(10)
                                     .Text("This column takes 2/3 of the available space (400pt)");
@@ -109,15 +111,15 @@ namespace QuestPDF.Examples
                         .Row(row =>
                         {
                             row.Spacing(20);
-                            row.RelativeColumn(2).Border(1).Background(Colors.Grey.Lighten1);
-                            row.RelativeColumn(3).Border(1).Background(Colors.Grey.Lighten2);
-                            row.RelativeColumn(4).Border(1).Background(Colors.Grey.Lighten3);
+                            row.RelativeItem(2).Border(1).Background(Colors.Grey.Lighten1);
+                            row.RelativeItem(3).Border(1).Background(Colors.Grey.Lighten2);
+                            row.RelativeItem(4).Border(1).Background(Colors.Grey.Lighten3);
                         });
                 });
         }
     
         [Test]
-        public void Stack()
+        public void column()
         {
             RenderingTest
                 .Create()
@@ -127,13 +129,13 @@ namespace QuestPDF.Examples
                     container
                         .Background("#FFF")
                         .Padding(15)
-                        .Stack(stack =>
+                        .Column(column =>
                         {
-                            stack.Spacing(15);
+                            column.Spacing(15);
                     
-                            stack.Item().Background(Colors.Grey.Medium).Height(50);
-                            stack.Item().Background(Colors.Grey.Lighten1).Height(100);
-                            stack.Item().Background(Colors.Grey.Lighten2).Height(150);
+                            column.Item().Background(Colors.Grey.Medium).Height(50);
+                            column.Item().Background(Colors.Grey.Lighten1).Height(100);
+                            column.Item().Background(Colors.Grey.Lighten2).Height(150);
                         });
                 });
         }
@@ -267,12 +269,12 @@ namespace QuestPDF.Examples
                             layers
                                 .PrimaryLayer()
                                 .Padding(25)
-                                .Stack(stack =>
+                                .Column(column =>
                                 {
-                                    stack.Spacing(5);
+                                    column.Spacing(5);
                             
                                     foreach (var _ in Enumerable.Range(0, 7))
-                                        stack.Item().Text(Placeholders.Sentence());
+                                        column.Item().Text(Placeholders.Sentence());
                                 });
                         
                             // layer above the main content    
@@ -280,12 +282,15 @@ namespace QuestPDF.Examples
                                 .Layer()
                                 .AlignCenter()
                                 .AlignMiddle()
-                                .Text("Watermark", TextStyle.Default.Size(48).Bold().Color(Colors.Green.Lighten3));
+                                .Text("Watermark")
+                                .FontSize(48)
+                                .Bold()
+                                .FontColor(Colors.Green.Lighten3);
 
                             layers
                                 .Layer()
                                 .AlignBottom()
-                                .Text(text => text.CurrentPageNumber(TextStyle.Default.Size(16).Color(Colors.Green.Medium)));
+                                .Text(text => text.CurrentPageNumber().FontSize(16).FontColor(Colors.Green.Medium));
                         });
                 });
         }
@@ -304,16 +309,16 @@ namespace QuestPDF.Examples
         //                 {
         //                     page.Header().PageNumber("Page {pdf:currentPage}");
         //             
-        //                     page.Content().Height(300).Stack(content =>
+        //                     page.Content().Height(300).column(content =>
         //                     {
         //                         content.Item().Height(200).Background(Colors.Grey.Lighten2);
         //                 
-        //                         content.Item().EnsureSpace(100).Stack(stack =>
+        //                         content.Item().EnsureSpace(100).column(column =>
         //                         {
-        //                             stack.Spacing(10);
+        //                             column.Spacing(10);
         //                     
         //                             foreach (var _ in Enumerable.Range(0, 4))
-        //                                 stack.Item().Height(50).Background(Colors.Green.Lighten1);
+        //                                 column.Item().Height(50).Background(Colors.Green.Lighten1);
         //                         }); 
         //                     });
         //                 });
@@ -378,7 +383,7 @@ namespace QuestPDF.Examples
                         .Row(row =>
                         {
                             foreach (var color in colors)
-                                row.RelativeColumn().Background(color);
+                                row.RelativeItem().Background(color);
                         });
                 });
         }
@@ -416,7 +421,9 @@ namespace QuestPDF.Examples
                                     .Border(1)
                                     .BorderColor(Colors.Grey.Medium)
                                     .Padding(10)
-                                    .Text(font, TextStyle.Default.FontType(font).Size(16));
+                                    .Text(font)
+                                    .FontFamily(font)
+                                    .FontSize(16);
                             }
                         });
                 });
@@ -437,10 +444,10 @@ namespace QuestPDF.Examples
                         {
                             layers.Layer().Text("Something else");
                     
-                            layers.PrimaryLayer().Stack(stack =>
+                            layers.PrimaryLayer().Column(column =>
                             {
-                                stack.Item().PaddingTop(20).Text("Text 1");
-                                stack.Item().PaddingTop(40).Text("Text 2");
+                                column.Item().PaddingTop(20).Text("Text 1");
+                                column.Item().PaddingTop(40).Text("Text 2");
                             });
                     
                             layers.Layer().Canvas((canvas, size) =>
@@ -456,7 +463,7 @@ namespace QuestPDF.Examples
                             });
                     
                             layers.Layer().Background("#8F00").Extend();
-                            layers.Layer().PaddingTop(40).Text("It works!", TextStyle.Default.Size(24));
+                            layers.Layer().PaddingTop(40).Text("It works!").FontSize(24);
                         });
                 });
         }
@@ -474,10 +481,10 @@ namespace QuestPDF.Examples
                         .Padding(15)
                         .Border(4)
                         .BorderColor(Colors.Blue.Medium)
-                        //.Box()
+                        //.MinimalBox()
                         .Background(Colors.Grey.Lighten2)
                         .Padding(15)
-                        .Text("Test of the \n box element", TextStyle.Default.Size(20));
+                        .Text("Test of the \n box element").FontSize(20);
                 });
         }
 
@@ -501,13 +508,14 @@ namespace QuestPDF.Examples
                                 .SemiBold();
     
                             decoration
-                                .Header()
+                                .Before()
                                 .PaddingBottom(10)
-                                .Text("Example: scale component", headerFontStyle);
+                                .Text("Example: scale component")
+                                .Style(headerFontStyle);
     
                             decoration
                                 .Content()
-                                .Stack(stack =>
+                                .Column(column =>
                                 {
                                     var scales = new[] { 0.8f, 0.9f, 1.1f, 1.2f };
 
@@ -519,13 +527,14 @@ namespace QuestPDF.Examples
 
                                         var fontStyle = TextStyle.Default.Size(16);
                 
-                                        stack
+                                        column
                                             .Item()
                                             .Border(1)
                                             .Background(fontColor)
                                             .Scale(scale)
                                             .Padding(5)
-                                            .Text($"Content with {scale} scale.", fontStyle);
+                                            .Text($"Content with {scale} scale.")
+                                            .Style(fontStyle);
                                     }
                                 });
                         });
@@ -542,7 +551,7 @@ namespace QuestPDF.Examples
                 {
                     container
                         .Background("#FFF")
-                        .Box()
+                        .MinimalBox()
                         
                         .Padding(25)
                         
@@ -555,7 +564,8 @@ namespace QuestPDF.Examples
                         .BorderColor(Colors.Green.Darken1)
                         
                         .Padding(50)
-                        .Text("Moved text", TextStyle.Default.Size(25));
+                        .Text("Moved text")
+                        .FontSize(25);
                 });
         }
 
@@ -588,10 +598,11 @@ namespace QuestPDF.Examples
 
                                         return element;
                                     })
-                                    .Box()
+                                    .MinimalBox()
                                     .Background(Colors.White)
                                     .Padding(10)
-                                    .Text($"Rotated {turns * 90}°", TextStyle.Default.Size(16));
+                                    .Text($"Rotated {turns * 90}°")
+                                    .FontSize(16);
                             }
                         });
                 });
@@ -686,10 +697,11 @@ namespace QuestPDF.Examples
                                         
                                         return element;
                                     })
-                                    .Box()
+                                    .MinimalBox()
                                     .Background(Colors.White)
                                     .Padding(10)
-                                    .Text($"Flipped {turns}", TextStyle.Default.Size(16));
+                                    .Text($"Flipped {turns}")
+                                    .FontSize(16);
                             }
                         });
                 });
@@ -708,14 +720,14 @@ namespace QuestPDF.Examples
                         .Border(2)
                         .Row(row =>
                         {
-                            row.ConstantColumn(25)
+                            row.ConstantItem(25)
                                 .Border(1)
                                 .RotateLeft()
                                 .AlignCenter()
                                 .AlignMiddle()
                                 .Text("Sample text");
                             
-                            row.RelativeColumn().Border(1).Padding(5).Text(Placeholders.Paragraph());
+                            row.RelativeItem().Border(1).Padding(5).Text(Placeholders.Paragraph());
                         });
                 });
         }
@@ -730,12 +742,12 @@ namespace QuestPDF.Examples
                 {
                     container
                         .Padding(25)
-                        .PaddingLeft(75)
-                        .Stack(stack =>
+                        .PaddingLeft(50)
+                        .Column(column =>
                         {
-                            stack.Item().Width(300).Height(150).Background(Colors.Blue.Lighten4);
+                            column.Item().Width(300).Height(150).Background(Colors.Blue.Lighten4);
                             
-                            stack
+                            column
                                 .Item()
                                 
                                 // creates an infinite space for its child
@@ -751,7 +763,7 @@ namespace QuestPDF.Examples
                                 
                                 .Background(Colors.Blue.Darken1);
                             
-                            stack.Item().Width(300).Height(150).Background(Colors.Blue.Lighten3);
+                            column.Item().Width(300).Height(150).Background(Colors.Blue.Lighten3);
                         });
                 });
         }
@@ -766,13 +778,13 @@ namespace QuestPDF.Examples
                 {
                     container
                         .Padding(25)
-                        .Stack(stack =>
+                        .Column(column =>
                         {
-                            stack.Item().Row(row =>
+                            column.Item().Row(row =>
                             {
-                                row.RelativeColumn().LabelCell("Label 1");
+                                row.RelativeItem().LabelCell("Label 1");
                                 
-                                row.RelativeColumn(3).Grid(grid =>
+                                row.RelativeItem(3).Grid(grid =>
                                 {
                                     grid.Columns(3);
                                     
@@ -784,11 +796,11 @@ namespace QuestPDF.Examples
                                 });
                             });
                             
-                            stack.Item().Row(row =>
+                            column.Item().Row(row =>
                             {
-                                row.RelativeColumn().ValueCell().Text("Value 1");
+                                row.RelativeItem().ValueCell().Text("Value 1");
                                 
-                                row.RelativeColumn(3).Grid(grid =>
+                                row.RelativeItem(3).Grid(grid =>
                                 {
                                     grid.Columns(3);
                                     
@@ -800,10 +812,10 @@ namespace QuestPDF.Examples
                                 });
                             });
                             
-                            stack.Item().Row(row =>
+                            column.Item().Row(row =>
                             {
-                                row.RelativeColumn().LabelCell("Label 6");
-                                row.RelativeColumn().ValueCell().Text("Value 6");
+                                row.RelativeItem().LabelCell("Label 6");
+                                row.RelativeItem().ValueCell().Text("Value 6");
                             });
                         });
                 });

QuestPDF.Examples/Engine/RenderingTest.cs

@@ -20,7 +20,11 @@ namespace QuestPDF.Examples.Engine
         private Size Size { get; set; }
         private int? MaxPagesThreshold { get; set; }
         private bool ShowResult { get; set; }
+        private bool ApplyCaching { get; set; }
+        private bool ApplyDebugging { get; set; }
         private RenderingTestResult ResultType { get; set; } = RenderingTestResult.Images;
+
+        private bool ShowingResultsEnabled = true;
         
         private RenderingTest()
         {
@@ -67,6 +71,24 @@ namespace QuestPDF.Examples.Engine
             return this;
         }
         
+        public RenderingTest MaxPages(int value)
+        {
+            MaxPagesThreshold = value;
+            return this;
+        }
+        
+        public RenderingTest EnableCaching(bool value = true)
+        {
+            ApplyCaching = value;
+            return this;
+        }
+        
+        public RenderingTest EnableDebugging(bool value = true)
+        {
+            ApplyDebugging = value;
+            return this;
+        }
+        
         public void Render(Action<IContainer> content)
         {
             RenderDocument(container =>
@@ -78,16 +100,11 @@ namespace QuestPDF.Examples.Engine
                 });
             });
         }
-        
-        public void MaxPages(int value)
-        {
-            MaxPagesThreshold = value;
-        }
 
         public void RenderDocument(Action<IDocumentContainer> content)
         {
             MaxPagesThreshold ??= ResultType == RenderingTestResult.Pdf ? 1000 : 10;
-            var document = new SimpleDocument(content, MaxPagesThreshold.Value);
+            var document = new SimpleDocument(content, MaxPagesThreshold.Value, ApplyCaching, ApplyDebugging);
 
             Render(document);
         }
@@ -99,7 +116,7 @@ namespace QuestPDF.Examples.Engine
                 Func<int, string> fileNameSchema = i => $"{FileNamePrefix}-${i}.png";
                 document.GenerateImages(fileNameSchema);
                 
-                if (ShowResult)
+                if (ShowResult && ShowingResultsEnabled)
                     Process.Start("explorer", fileNameSchema(0));
             }
 
@@ -108,7 +125,7 @@ namespace QuestPDF.Examples.Engine
                 var fileName = $"{FileNamePrefix}.pdf";
                 document.GeneratePdf(fileName);
                 
-                if (ShowResult)
+                if (ShowResult && ShowingResultsEnabled)
                     Process.Start("explorer", fileName);
             }
         }

QuestPDF.Examples/Engine/SimpleDocument.cs

@@ -13,11 +13,15 @@ namespace QuestPDF.Examples.Engine
         
         private Action<IDocumentContainer> Content { get; }
         private int MaxPages { get; }
+        private bool ApplyCaching { get; }
+        private bool ApplyDebugging { get; }
 
-        public SimpleDocument(Action<IDocumentContainer> content, int maxPages)
+        public SimpleDocument(Action<IDocumentContainer> content, int maxPages, bool applyCaching, bool applyDebugging)
         {
             Content = content;
             MaxPages = maxPages;
+            ApplyCaching = applyCaching;
+            ApplyDebugging = applyDebugging;
         }
         
         public DocumentMetadata GetMetadata()
@@ -25,7 +29,9 @@ namespace QuestPDF.Examples.Engine
             return new DocumentMetadata()
             {
                 RasterDpi = PageSizes.PointsPerInch * ImageScalingFactor,
-                DocumentLayoutExceptionThreshold = MaxPages
+                DocumentLayoutExceptionThreshold = MaxPages,
+                ApplyCaching = ApplyCaching,
+                ApplyDebugging = ApplyDebugging
             };
         }
         

QuestPDF.Examples/EnsureSpaceExample.cs

@@ -21,19 +21,19 @@ namespace QuestPDF.Examples
                     {
                         page.Margin(20);
                         page.Size(PageSizes.A7.Landscape());
-                        page.Background(Colors.White);
+                        page.PageColor(Colors.White);
                         
-                        page.Header().Text("With ensure space", TextStyle.Default.SemiBold());
+                        page.Header().Text("With ensure space").SemiBold();
                         
-                        page.Content().Stack(stack =>
+                        page.Content().Column(column =>
                         {
-                            stack
+                            column
                                 .Item()
                                 .ExtendHorizontal()
                                 .Height(75)
                                 .Background(Colors.Grey.Lighten2);
                             
-                            stack
+                            column
                                 .Item()
                                 .EnsureSpace(100)
                                 .Text(Placeholders.LoremIpsum());

QuestPDF.Examples/ExecutionOrderExamples.cs

@@ -0,0 +1,76 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.Exceptions;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class ExecutionOrderExamples
+    {
+        [Test]
+        public void Example()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(400, 300)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .DefaultTextStyle(TextStyle.Default.Size(18))
+                        .Padding(25)
+                        .Row(row =>
+                        {
+                            row.Spacing(25);
+
+                            row.RelativeItem()
+                                .Border(1)
+                                .Padding(15)
+                                .Background(Colors.Grey.Lighten2)
+                                .Text("Lorem ipsum");
+                            
+                            row.RelativeItem()
+                                .Border(1)
+                                .Background(Colors.Grey.Lighten2)
+                                .Padding(15)
+                                .Text("dolor sit amet");
+                        });
+                });
+        }
+        
+        [Test]
+        public void Example2()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(200, 200)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(25)
+                        .Border(2)
+                        .Width(150)
+                        .Height(150)
+
+                        .Background(Colors.Blue.Lighten2)
+                        .PaddingTop(50)
+
+                        .Background(Colors.Green.Lighten2)
+                        .PaddingRight(50)
+
+                        .Background(Colors.Red.Lighten2)
+                        .PaddingBottom(50)
+
+                        .Background(Colors.Amber.Lighten2)
+                        .PaddingLeft(50)
+
+                        .Background(Colors.Grey.Lighten2);
+                });
+        }
+    }
+}

QuestPDF.Examples/FrameExample.cs

@@ -12,12 +12,14 @@ namespace QuestPDF.Examples
         {
             return container
                 .Border(1)
-                .Background(dark ? Colors.Grey.Lighten2 : Colors.White)
-                .Padding(10);
+                .BorderColor(Colors.Grey.Medium)
+                .Background(dark ? Colors.Grey.Lighten3 : Colors.White)
+                .Padding(5);
         }
         
-        public static void LabelCell(this IContainer container, string text) => container.Cell(true).Text(text, TextStyle.Default.Medium());
+        public static void LabelCell(this IContainer container, string text) => container.Cell(true).Text(text).SemiBold();
         public static IContainer ValueCell(this IContainer container) => container.Cell(false);
+        public static void ValueCell(this IContainer container, string text) => container.ValueCell().Text(text);
     }
     
     public class FrameExample
@@ -34,14 +36,14 @@ namespace QuestPDF.Examples
                     container
                         .Background("#FFF")
                         .Padding(25)
-                        .Stack(stack =>
+                        .Column(column =>
                         {
-                            for(var i=1; i<=4; i++)
+                            for(var i = 1; i <= 4; i++)
                             {
-                                stack.Item().Row(row =>
+                                column.Item().Row(row =>
                                 {
-                                    row.RelativeColumn(2).LabelCell(Placeholders.Label());
-                                    row.RelativeColumn(3).ValueCell().Text(Placeholders.Paragraph());
+                                    row.RelativeItem(2).LabelCell(Placeholders.Label());
+                                    row.RelativeItem(3).ValueCell().Text(Placeholders.Paragraph());
                                 });
                             }
                         });

QuestPDF.Examples/ImageExamples.cs

@@ -19,17 +19,17 @@ namespace QuestPDF.Examples
                 .ShowResults()
                 .Render(page =>
                 {
-                    page.Padding(25).Stack(stack =>
+                    page.Padding(25).Column(column =>
                     {
-                        stack.Spacing(25);
+                        column.Spacing(25);
                         
-                        stack.Item().Image("logo.png");
+                        column.Item().Image("logo.png");
 
                         var binaryData = File.ReadAllBytes("logo.png");
-                        stack.Item().Image(binaryData);
+                        column.Item().Image(binaryData);
                         
                         using var stream = new FileStream("logo.png", FileMode.Open);
-                        stack.Item().Image(stream);
+                        column.Item().Image(stream);
                     });
                 });
         }

QuestPDF.Examples/InlinedExamples.cs

@@ -25,7 +25,7 @@ namespace QuestPDF.Examples
                         .Padding(25)
                         .Decoration(decoration =>
                         {
-                            decoration.Header().Text(text =>
+                            decoration.Before().Text(text =>
                             {
                                 text.DefaultTextStyle(TextStyle.Default.Size(20));
                                 
@@ -37,7 +37,7 @@ namespace QuestPDF.Examples
                             decoration
                                 .Content()
                                 .PaddingTop(25)
-                                //.Box()
+                                //.MinimalBox()
                                 .Border(1)
                                 .Background(Colors.Grey.Lighten2)
                                 .Inlined(inlined =>
@@ -74,7 +74,8 @@ namespace QuestPDF.Examples
                                                     .PrimaryLayer()
                                                     .AlignCenter()
                                                     .AlignMiddle()
-                                                    .Text(sizeText, TextStyle.Default.Size(15));
+                                                    .Text(sizeText)
+                                                    .FontSize(15);
                                             });
                                     }
                                 });
@@ -94,7 +95,7 @@ namespace QuestPDF.Examples
                 {
                     container
                         .Padding(20)
-                        .Box()
+                        .MinimalBox()
                         .Border(1)
                         .Background(Colors.Grey.Lighten4)
                         .Inlined(inlined =>

QuestPDF.Examples/LineExamples.cs

@@ -0,0 +1,57 @@
+using System.IO;
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class LineExamples
+    {
+        [Test]
+        public void LineHorizontal()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A5)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container => 
+                {
+                    container
+                        .Padding(15)
+                        .MinimalBox()
+                        .DefaultTextStyle(TextStyle.Default.Size(16))
+                        .Column(column =>
+                        {
+                            column.Item().Text("Above text");
+                            column.Item().PaddingVertical(5).LineHorizontal(1).LineColor(Colors.Grey.Medium);
+                            column.Item().Text("Below text");
+                        });
+                });
+        }
+        
+        [Test]
+        public void LineVertical()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A5)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container => 
+                {
+                    container
+                        .Padding(15)
+                        .DefaultTextStyle(TextStyle.Default.Size(16))
+                        .Row(row =>
+                        {
+                            row.AutoItem().Text("Left text");
+                            row.AutoItem().PaddingHorizontal(10).LineVertical(1).LineColor(Colors.Grey.Medium);
+                            row.AutoItem().Text("Right text");
+                        });
+                });
+        }
+    }
+}

QuestPDF.Examples/LoremPicsumExample.cs

@@ -43,7 +43,7 @@ namespace QuestPDF.Examples
                     container
                         .Background("#FFF")
                         .Padding(25)
-                        .Stack(column =>
+                        .Column(column =>
                         {
                             column.Spacing(10);
 

QuestPDF.Examples/MinimalApiExamples.cs

@@ -0,0 +1,53 @@
+using System.Diagnostics;
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class MinimalApiExamples
+    {
+        [Test]
+        public void MinimalApi()
+        {
+            Document
+                .Create(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Size(PageSizes.A4);
+                        page.Margin(2, Unit.Centimetre);
+                        page.PageColor(Colors.White);
+                        page.DefaultTextStyle(x => x.FontSize(20));
+                        
+                        page.Header()
+                            .Text("Hello PDF!")
+                            .SemiBold().FontSize(36).FontColor(Colors.Blue.Medium);
+                        
+                        page.Content()
+                            .PaddingVertical(1, Unit.Centimetre)
+                            .Column(x =>
+                            {
+                                x.Spacing(20);
+                                
+                                x.Item().Text(Placeholders.LoremIpsum());
+                                x.Item().Image(Placeholders.Image(200, 100));
+                            });
+                        
+                        page.Footer()
+                            .AlignCenter()
+                            .Text(x =>
+                            {
+                                x.Span("Page ");
+                                x.CurrentPageNumber();
+                            });
+                    });
+                })
+                .GeneratePdf("hello.pdf");
+
+            Process.Start("explorer.exe", "hello.pdf");
+        }
+    }
+}

QuestPDF.Examples/Padding.cs

@@ -50,7 +50,8 @@ namespace QuestPDF.Examples
                         .Background("FFF")
                         .Padding(5)
                         .AlignCenter()
-                        .Text("Sample text", TextStyle.Default.FontType("Segoe UI emoji"));
+                        .Text("Sample text")
+                        .FontFamily("Segoe UI emoji");
                 });
         }
         
@@ -63,7 +64,7 @@ namespace QuestPDF.Examples
                 .Render(container =>
                 {
                     container
-                        .Stack(column =>
+                        .Column(column =>
                         {
                             column
                                 .Item()
@@ -113,14 +114,14 @@ namespace QuestPDF.Examples
                 .Render(container =>
                 {
                     container
-                        .Stack(column =>
+                        .Column(column =>
                         {
                             column
                                 .Item()
                                 .Height(150)
                                 .Row(row =>
                                 {
-                                    row.RelativeColumn()
+                                    row.RelativeItem()
                                         .Extend()
                                         .Background("FFF")
 
@@ -128,7 +129,7 @@ namespace QuestPDF.Examples
                                         .Width(50)
                                         .Background("444");
                             
-                                    row.RelativeColumn()
+                                    row.RelativeItem()
                                         .Extend()
                                         .Background("BBB")
 
@@ -142,7 +143,7 @@ namespace QuestPDF.Examples
                                 .Height(150)
                                 .Row(row =>
                                 {
-                                    row.RelativeColumn()
+                                    row.RelativeItem()
                                         .Extend()
                                         .Background("BBB")
 
@@ -150,7 +151,7 @@ namespace QuestPDF.Examples
                                         .Width(50)
                                         .Background("444");
                             
-                                    row.RelativeColumn()
+                                    row.RelativeItem()
                                         .Extend()
                                         .Background("BBB")
 

QuestPDF.Examples/PageBackgroundForegroundExample.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Linq;
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class PageBackgroundForegroundExample
+    {
+        [Test]
+        public void PageBackgroundForeground()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .MaxPages(100)
+                .ShowResults()
+                .RenderDocument(document =>
+                {
+                    document.Page(page =>
+                    {
+                        page.Size(PageSizes.A4);
+                        page.Margin(1, Unit.Inch);
+                        page.DefaultTextStyle(TextStyle.Default.FontSize(16));
+                        page.PageColor(Colors.White);
+
+                        const string transparentBlue = "#662196f3";
+
+                        page.Background()
+                            .AlignTop()
+                            .ExtendHorizontal()
+                            .Height(200)
+                            .Background(transparentBlue);
+                        
+                        page.Foreground()
+                            .AlignBottom()
+                            .ExtendHorizontal()
+                            .Height(250)
+                            .Background(transparentBlue);
+                        
+                        page.Header().Text("Background and foreground").Bold().FontColor(Colors.Blue.Darken2).FontSize(36);
+                        
+                        page.Content().PaddingVertical(25).Column(column =>
+                        {
+                            column.Spacing(25);
+
+                            foreach (var i in Enumerable.Range(0, 100))
+                                column.Item().Background(Colors.Grey.Lighten2).Height(75);
+                        });
+                    });
+                });
+        }
+    }
+}

QuestPDF.Examples/QuestPDF.Examples.csproj

@@ -6,11 +6,13 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <PackageReference Include="BenchmarkDotNet" Version="0.13.1" />
         <PackageReference Include="microcharts" Version="0.9.5.9" />
         <PackageReference Include="nunit" Version="3.13.2" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
         <PackageReference Include="SkiaSharp" Version="2.80.3" />
+        <PackageReference Include="Svg.Skia" Version="0.5.10" />
     </ItemGroup>
 
     <ItemGroup>
@@ -27,6 +29,9 @@
       <None Update="logo.png">
         <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
       </None>
+      <None Update="pdf-icon.svg">
+        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      </None>
     </ItemGroup>
 
 </Project>

QuestPDF.Examples/RowExamples.cs

@@ -0,0 +1,109 @@
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class RowExamples
+    {
+        [Test]
+        public void ItemTypes()
+        {
+            RenderingTest
+                .Create()
+                .ProducePdf()
+                .PageSize(650, 300)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(25)
+                        .MinimalBox()
+                        .Border(1)
+                        .Column(column =>
+                        {
+                            column.Item().LabelCell("Total width: 600px");
+                            
+                            column.Item().Row(row =>
+                            {
+                                row.ConstantItem(150).ValueCell("150px");
+                                row.ConstantItem(100).ValueCell("100px");
+                                row.RelativeItem(4).ValueCell("200px");
+                                row.RelativeItem(3).ValueCell("150px");
+                            });
+                            
+                            column.Item().Row(row =>
+                            {
+                                row.ConstantItem(100).ValueCell("100px");
+                                row.ConstantItem(50).ValueCell("50px");
+                                row.RelativeItem(2).ValueCell("100px");
+                                row.RelativeItem(1).ValueCell("50px");
+                            });
+                        });
+                });
+        }
+        
+        [Test]
+        public void Stability()
+        {
+            // up to version 2021.12, this code would always result with the infinite layout exception
+            
+            RenderingTest
+                .Create()
+                .ProducePdf()
+                .MaxPages(100)
+                .PageSize(250, 150)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(25)
+                        .Row(row =>
+                        {
+                            row.RelativeItem().Column(column =>
+                            {
+                                column.Item().ShowOnce().Element(CreateBox).Text("X");
+                                column.Item().Element(CreateBox).Text("1");
+                                column.Item().Element(CreateBox).Text("2");
+                            });
+                                
+                            row.RelativeItem().Column(column =>
+                            {
+                                column.Item().Element(CreateBox).Text("1");
+                                column.Item().Element(CreateBox).Text("2");
+                            });
+                        });
+                });
+
+            static IContainer CreateBox(IContainer container)
+            {
+                return container
+                    .ExtendHorizontal()
+                    .ExtendVertical()
+                    .Background(Colors.Grey.Lighten4)
+                    .Border(1)
+                    .AlignCenter()
+                    .AlignMiddle()
+                    .ShowOnce();
+            }
+        }
+        
+        [Test]
+        public void Stability_NoItems()
+        {
+            RenderingTest
+                .Create()
+                .ProducePdf()
+                .MaxPages(100)
+                .PageSize(250, 150)
+                .Render(container =>
+                {
+                    container
+                        .Padding(25)
+                        .Row(row => { });
+                });
+        }
+    }
+}

QuestPDF.Examples/ScaleToFitExamples.cs

@@ -0,0 +1,42 @@
+using System.Linq;
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class ScaleToFitExamples
+    {
+        [Test]
+        public void ScaleToFit()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container.Padding(25).Column(column =>
+                    {
+                        var text = Placeholders.Paragraph();
+
+                        foreach (var i in Enumerable.Range(2, 5))
+                        {
+                            column
+                                .Item()
+                                .MinimalBox()
+                                .Border(1)
+                                .Padding(5)
+                                .Width(i * 40)
+                                .Height(i * 20)
+                                .ScaleToFit()
+                                .Text(text);
+                        }
+                    });
+                });
+        }
+    }
+}

QuestPDF.Examples/ShowOnceExample.cs

@@ -21,20 +21,20 @@ namespace QuestPDF.Examples
                     {
                         page.Margin(20);
                         page.Size(PageSizes.A7.Landscape());
-                        page.Background(Colors.White);
+                        page.PageColor(Colors.White);
 
-                        page.Header().Text("With show once", TextStyle.Default.SemiBold());
+                        page.Header().Text("With show once").SemiBold();
                         
                         page.Content().PaddingVertical(5).Row(row =>
                         {
-                            row.RelativeColumn()
+                            row.RelativeItem()
                                 .Background(Colors.Grey.Lighten2)
                                 .Border(1)
                                 .Padding(5)
                                 .ShowOnce()
                                 .Text(Placeholders.Label());
                             
-                            row.RelativeColumn(2)
+                            row.RelativeItem(2)
                                 .Border(1)
                                 .Padding(5)
                                 .Text(Placeholders.Paragraph());

QuestPDF.Examples/SkipOnceExample.cs

@@ -21,17 +21,18 @@ namespace QuestPDF.Examples
                     {
                         page.Margin(20);
                         page.Size(PageSizes.A7.Landscape());
-                        page.Background(Colors.White);
+                        page.PageColor(Colors.White);
         
-                        page.Header().Stack(stack =>
+                        page.Header().Column(column =>
                         {
-                            stack.Item().ShowOnce().Text("This header is visible on the first page.");
-                            stack.Item().SkipOnce().Text("This header is visible on the second page and all following.");
+                            column.Item().ShowOnce().Text("This header is visible on the first page.");
+                            column.Item().SkipOnce().Text("This header is visible on the second page and all following.");
                         });
                         
                         page.Content()
                             .PaddingVertical(10)
-                            .Text(Placeholders.Paragraphs(), TextStyle.Default.Color(Colors.Grey.Medium));
+                            .Text(Placeholders.Paragraphs())
+                            .FontColor(Colors.Grey.Medium);
                         
                         page.Footer().Text(text =>
                         {

QuestPDF.Examples/StopPaging.cs

@@ -0,0 +1,48 @@
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class StopPaging
+    {
+        [Test]
+        public void Example()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(300, 250)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container => 
+                {
+                    container
+                        .Padding(25)
+                        .DefaultTextStyle(TextStyle.Default.Size(14))
+                        .Decoration(decoration =>
+                        {
+                            decoration
+                                .Before()
+                                .Text(text =>
+                                {
+                                    text.DefaultTextStyle(TextStyle.Default.SemiBold().Color(Colors.Blue.Medium));
+                                    
+                                    text.Span("Page ");
+                                    text.CurrentPageNumber();
+                                });
+                            
+                            decoration
+                                .Content()
+                                .Column(column =>
+                                {
+                                    column.Spacing(25);
+                                    column.Item().StopPaging().Text(Placeholders.LoremIpsum());
+                                    column.Item().ExtendHorizontal().Height(75).Background(Colors.Grey.Lighten2);
+                                });
+                        });
+                });
+        }
+    }
+}

QuestPDF.Examples/SvgImageExample.cs

@@ -0,0 +1,36 @@
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+using Svg.Skia;
+
+namespace QuestPDF.Examples
+{
+    public class SvgImageExample
+    {
+        [Test]
+        public void BorderRadius()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(175, 100)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Background(Colors.Grey.Lighten2)
+                        .Padding(25)
+                        .Canvas((canvas, space) =>
+                        {
+                            using var svg = new SKSvg();
+                            svg.Load("pdf-icon.svg");
+                            
+                            canvas.DrawPicture(svg.Picture);
+                        });
+                });
+        }
+    }
+}

QuestPDF.Examples/TableExamples.cs

@@ -0,0 +1,500 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Drawing;
+using System.Linq;
+using NUnit.Framework;
+using QuestPDF.Drawing;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using IContainer = QuestPDF.Infrastructure.IContainer;
+
+namespace QuestPDF.Examples
+{
+    public class TableExamples
+    {
+        [Test]
+        public void BasicPlacement()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .PageSize(220, 220)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .MinimalBox()
+                        .Border(1)
+                        .Table(table =>
+                        {
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                            });
+
+                            // by using custom 'Element' method, we can reuse visual configuration
+                            table.Cell().Row(1).Column(4).Element(Block).Text("A");
+                            table.Cell().Row(2).Column(2).Element(Block).Text("B");
+                            table.Cell().Row(3).Column(3).Element(Block).Text("C");
+                            table.Cell().Row(4).Column(1).Element(Block).Text("D");
+                        });
+                });
+        }
+        
+        [Test]
+        public void PagingSupport()
+        {
+            RenderingTest
+                .Create()
+                .ProducePdf()
+                .PageSize(420, 220)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .MinimalBox()
+                        .Border(1)
+                        .Table(table =>
+                        {
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                            });
+
+                            // by using custom 'Element' method, we can reuse visual configuration
+                            table.Cell().Element(Block).Text(Placeholders.Label());
+                            table.Cell().Element(Block).Text(Placeholders.Label());
+                            table.Cell().Element(Block).Text(Placeholders.Paragraph());
+                            table.Cell().Element(Block).Text(Placeholders.Label());
+                        });
+                });
+        }
+        
+        [Test]
+        public void DefaultCellStyle()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .PageSize(220, 120)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .MinimalBox()
+                        .Border(1)
+                        .DefaultTextStyle(TextStyle.Default.Size(16))
+                        .Table(table =>
+                        {
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                            });
+
+                            table.Cell().Row(1).Column(1).Element(Block).Text("A");
+                            table.Cell().Row(2).Column(2).Element(Block).Text("B");
+                            table.Cell().Row(1).Column(3).Element(Block).Text("C");
+                            table.Cell().Row(2).Column(4).Element(Block).Text("D");
+                        });
+                });
+        }
+        
+        [Test]
+        public void ColumnsDefinition()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .PageSize(320, 80)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .Table(table =>
+                        {
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.ConstantColumn(50);
+                                columns.ConstantColumn(100);
+                                columns.RelativeColumn(2);
+                                columns.RelativeColumn(3);
+                            });
+
+                            table.Cell().ColumnSpan(4).LabelCell("Total width: 300px");
+                            table.Cell().ValueCell("50px");
+                            table.Cell().ValueCell("100px");
+                            table.Cell().ValueCell("100px");
+                            table.Cell().ValueCell("150px");
+                        });
+                });
+        }
+
+        [Test]
+        public void PartialAutoPlacement()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .PageSize(220, 220)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .MinimalBox()
+                        .Border(1)
+                        .Table(table =>
+                        {
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                            });
+
+                            table.Cell().Element(Block).Text("A");
+                            table.Cell().Row(2).Column(2).Element(Block).Text("B");
+                            table.Cell().Element(Block).Text("C");
+                            table.Cell().Row(3).Column(3).Element(Block).Text("D");
+                            table.Cell().ColumnSpan(2).Element(Block).Text("E");
+                        });
+                });
+        }
+        
+        [Test]
+        public void ExtendLastCellsToTableBottom()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .PageSize(220, 170)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .MinimalBox()
+                        .Border(1)
+                        .Table(table =>
+                        {
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                            });
+                            
+                            table.ExtendLastCellsToTableBottom();
+
+                            table.Cell().Row(1).Column(1).Element(Block).Text("A");
+                            table.Cell().Row(3).Column(1).Element(Block).Text("B");
+                            table.Cell().Row(2).Column(2).Element(Block).Text("C");
+                            table.Cell().Row(3).Column(3).Element(Block).Text("D");
+                            table.Cell().Row(2).RowSpan(2).Column(4).Element(Block).Text("E");
+                        });
+                });
+        }
+        
+        [Test]
+        public void Overlapping()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .PageSize(170, 170)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .MinimalBox()
+                        .Border(1)
+                        .Table(table =>
+                        {
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                            });
+
+                            table.Cell().Row(1).RowSpan(3).Column(1).ColumnSpan(3).Background(Colors.Grey.Lighten3).MinHeight(150);
+                            table.Cell().Row(1).RowSpan(2).Column(1).ColumnSpan(2).Background(Colors.Grey.Lighten1).MinHeight(100);
+                            table.Cell().Row(3).Column(3).Background(Colors.Grey.Darken1).MinHeight(50);
+                        });
+                });
+        }
+        
+        [Test]
+        public void Spans()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .PageSize(220, 170)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .Table(table =>
+                        {
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                            });
+
+                            table.Cell().RowSpan(2).ColumnSpan(2).Element(Block).Text("1");
+                            table.Cell().ColumnSpan(2).Element(Block).Text("2");
+                            table.Cell().Element(Block).Text("3");
+                            table.Cell().Element(Block).Text("4");
+                            table.Cell().RowSpan(2).Element(Block).Text("5");
+                            table.Cell().ColumnSpan(2).Element(Block).Text("6");
+                            table.Cell().RowSpan(2).Element(Block).Text("7");
+                            table.Cell().Element(Block).Text("8");
+                            table.Cell().Element(Block).Text("9");
+                        });
+                });
+        }
+
+        [Test]
+        public void Stability()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .PageSize(300, 300)
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .Table(table =>
+                        {
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                                columns.RelativeColumn();
+                            });
+
+                            table.Cell().RowSpan(4).Element(Block).Text("1");
+                            
+                            table.Cell().RowSpan(2).Element(Block).Text("2");
+                            table.Cell().RowSpan(1).Element(Block).Text("3");
+                            table.Cell().RowSpan(1).Element(Block).Text("4");
+                            
+                            table.Cell().RowSpan(2).Element(Block).Text("5");
+                            table.Cell().RowSpan(1).Element(Block).Text("6");
+                            table.Cell().RowSpan(1).Element(Block).Text("7");
+                        });
+                });
+        }
+        
+        [Test]
+        public void TableHeader()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .PageSize(500, 200)
+                .ShowResults()
+                .EnableDebugging()
+                .Render(container =>
+                {
+                    var pageSizes = new List<(string name, double width, double height)>()
+                    {
+                        ("Letter (ANSI A)", 8.5f, 11),
+                        ("Legal", 8.5f, 14),
+                        ("Ledger (ANSI B)", 11, 17),
+                        ("Tabloid (ANSI B)", 17, 11),
+                        ("ANSI C", 22, 17),
+                        ("ANSI D", 34, 22),
+                        ("ANSI E", 44, 34)
+                    };
+
+                    const int inchesToPoints = 72;
+                    
+                    container
+                        .Padding(10)
+                        .MinimalBox()
+                        .Border(1)
+                        .Table(table =>
+                        {
+                            IContainer DefaultCellStyle(IContainer container, string backgroundColor)
+                            {
+                                return container
+                                    .Border(1)
+                                    .BorderColor(Colors.Grey.Lighten1)
+                                    .Background(backgroundColor)
+                                    .PaddingVertical(5)
+                                    .PaddingHorizontal(10)
+                                    .AlignCenter()
+                                    .AlignMiddle();
+                            }
+                            
+                            table.ColumnsDefinition(columns =>
+                            {
+                                columns.RelativeColumn();
+                                
+                                columns.ConstantColumn(75);
+                                columns.ConstantColumn(75);
+                                
+                                columns.ConstantColumn(75);
+                                columns.ConstantColumn(75);
+                            });
+                            
+                            table.Header(header =>
+                            {
+                                header.Cell().RowSpan(2).Element(CellStyle).ExtendHorizontal().AlignLeft().Text("Document type");
+                                    
+                                header.Cell().ColumnSpan(2).Element(CellStyle).Text("Inches");
+                                header.Cell().ColumnSpan(2).Element(CellStyle).Text("Points");
+                                    
+                                header.Cell().Element(CellStyle).Text("Width");
+                                header.Cell().Element(CellStyle).Text("Height");
+                                    
+                                header.Cell().Element(CellStyle).Text("Width");
+                                header.Cell().Element(CellStyle).Text("Height");
+
+                                // you can extend already existing styles by creating additional methods
+                                IContainer CellStyle(IContainer container) => DefaultCellStyle(container, Colors.Grey.Lighten3); 
+                            });
+        
+                            foreach (var page in pageSizes)
+                            {
+                                table.Cell().Element(CellStyle).ExtendHorizontal().AlignLeft().Text(page.name);
+                                        
+                                // inches
+                                table.Cell().Element(CellStyle).Text(page.width);
+                                table.Cell().Element(CellStyle).Text(page.height);
+                                        
+                                // points
+                                table.Cell().Element(CellStyle).Text(page.width * inchesToPoints);
+                                table.Cell().Element(CellStyle).Text(page.height * inchesToPoints);
+                                        
+                                IContainer CellStyle(IContainer container) => DefaultCellStyle(container, Colors.White); 
+                            }
+                        });
+                });
+        }
+        
+        [Test]
+        public void PerformanceText_TemperatureReport()
+        {
+            RenderingTest
+                .Create()
+                .ProducePdf()
+                .PageSize(PageSizes.A4)
+                .MaxPages(10_000)
+                .EnableCaching()
+                .EnableDebugging(false)
+                .ShowResults()
+                .Render(container => GeneratePerformanceStructure(container, 250));
+        }
+        
+        public static void GeneratePerformanceStructure(IContainer container, int repeats)
+        {
+            container
+                .Padding(25)
+                //.Background(Colors.Blue.Lighten2)
+                .MinimalBox()
+                .Border(1)
+                //.Background(Colors.Red.Lighten2)
+                .Table(table =>
+                {
+                    table.ColumnsDefinition(columns =>
+                    {
+                        columns.ConstantColumn(100);
+                        columns.RelativeColumn();
+                        columns.ConstantColumn(100);
+                        columns.RelativeColumn();
+                    });
+                    
+                    table.ExtendLastCellsToTableBottom();
+
+                    foreach (var i in Enumerable.Range(0, repeats))
+                    {
+                        table.Cell().RowSpan(3).LabelCell("Project");
+                        table.Cell().RowSpan(3).ShowEntire().ValueCell(Placeholders.Sentence());
+                
+                        table.Cell().LabelCell("Report number");
+                        table.Cell().ValueCell(i.ToString());
+                        
+                        table.Cell().LabelCell("Date");
+                        table.Cell().ValueCell(Placeholders.ShortDate());
+
+                        table.Cell().LabelCell("Inspector");
+                        table.Cell().ValueCell("Marcin Ziąbek");
+                
+                        table.Cell().ColumnSpan(2).LabelCell("Morning weather");
+                        table.Cell().ColumnSpan(2).LabelCell("Evening weather");
+                
+                        table.Cell().ValueCell("Time");
+                        table.Cell().ValueCell("7:13");
+                
+                        table.Cell().ValueCell("Time");
+                        table.Cell().ValueCell("18:25");
+                
+                        table.Cell().ValueCell("Description");
+                        table.Cell().ValueCell("Sunny");
+                
+                        table.Cell().ValueCell("Description");
+                        table.Cell().ValueCell("Windy");
+                
+                        table.Cell().ValueCell("Wind");
+                        table.Cell().ValueCell("Mild");
+                
+                        table.Cell().ValueCell("Wind");
+                        table.Cell().ValueCell("Strong");
+                
+                        table.Cell().ValueCell("Temperature");
+                        table.Cell().ValueCell("17°C");
+                
+                        table.Cell().ValueCell("Temperature");
+                        table.Cell().ValueCell("32°C");
+                
+                        table.Cell().LabelCell("Remarks");
+                        table.Cell().ColumnSpan(3).ValueCell(Placeholders.Paragraph());
+                    }
+                });
+        }
+        
+        // this method uses a higher order function to define a custom and dynamic style
+        static IContainer Block(IContainer container)
+        {
+            return container
+                .Border(1)
+                .Background(Colors.Grey.Lighten3)
+                .ShowOnce()
+                .MinWidth(50)
+                .MinHeight(50)
+                .Padding(10)
+                .AlignCenter()
+                .AlignMiddle();
+        }
+    }
+}

QuestPDF.Examples/TextBenchmark.cs

@@ -23,7 +23,7 @@ namespace QuestPDF.Examples
                 .PageSize(PageSizes.A4)
                 .ProducePdf()
                 .ShowResults()
-                .Render(x => ComposeBook(x, chapters));
+                .RenderDocument(x => ComposeBook(x, chapters));
         }
         
         [Test]
@@ -42,8 +42,8 @@ namespace QuestPDF.Examples
                 RenderingTest
                     .Create()
                     .PageSize(PageSizes.A4)
-                        .ProducePdf()
-                    .Render(x => ComposeBook(x, chapters));
+                    .ProducePdf()
+                    .RenderDocument(x => ComposeBook(x, chapters));
             }
 
             IEnumerable<float> PerformTest(int attempts)
@@ -102,112 +102,105 @@ namespace QuestPDF.Examples
             }
         }
         
-        private void ComposeBook(IContainer container, ICollection<BookChapter> chapters)
+        private void ComposeBook(IDocumentContainer container, ICollection<BookChapter> chapters)
         {
             var subtitleStyle = TextStyle.Default.Size(24).SemiBold().Color(Colors.Blue.Medium);
             var normalStyle = TextStyle.Default.Size(14);
-            
-            ComposePage(container);
 
-            void ComposePage(IContainer container)
+            container.Page(page =>
             {
-                container
-                    .Padding(50)
-                    .Decoration(decoration =>
-                    {
-                        decoration
-                            .Content()
-                            .Stack(stack =>
-                            {
-                                stack.Item().Element(Title);
-                                stack.Item().PageBreak();
-                                stack.Item().Element(TableOfContents);
-                                stack.Item().PageBreak();
+                page.Margin(50);
+                
+                page.Content().Column(column =>
+                {
+                    column.Item().Element(Title);
+                    column.Item().PageBreak();
+                    column.Item().Element(TableOfContents);
+                    column.Item().PageBreak();
 
-                                Chapters(stack);
+                    Chapters(column);
 
-                                stack.Item().Element(Acknowledgements);
-                            });
+                    column.Item().Element(Acknowledgements);
+                });
+                
+                page.Footer().Element(Footer);
+            });
 
-                        decoration.Footer().Element(Footer);
-                    });
-            }
-            
             void Title(IContainer container)
             {
                 container
                     .Extend()
                     .PaddingBottom(200)
                     .AlignBottom()
-                    .Stack(stack =>
+                    .Column(column =>
                     {
-                        stack.Item().Text("Quo Vadis", TextStyle.Default.Size(72).Bold().Color(Colors.Blue.Darken2));
-                        stack.Item().Text("Henryk Sienkiewicz", TextStyle.Default.Size(24).Color(Colors.Grey.Darken2));
+                        column.Item().Text("Quo Vadis").FontSize(72).Bold().FontColor(Colors.Blue.Darken2);
+                        column.Item().Text("Henryk Sienkiewicz").FontSize(24).FontColor(Colors.Grey.Darken2);
                     });
             }
 
             void TableOfContents(IContainer container)
             {
-                container.Stack(stack =>
+                container.Column(column =>
                 {
-                    SectionTitle(stack, "Spis treści");
+                    SectionTitle(column, "Spis treści");
                     
                     foreach (var chapter in chapters)
                     {
-                        stack.Item().InternalLink(chapter.Title).Row(row =>
+                        column.Item().InternalLink(chapter.Title).Row(row =>
                         {
-                            row.RelativeColumn().Text(chapter.Title, normalStyle);
-                            row.ConstantColumn(100).AlignRight().Text(text => text.PageNumberOfLocation(chapter.Title, normalStyle));
+                            row.RelativeItem().Text(chapter.Title).Style(normalStyle);
+                            row.ConstantItem(100).AlignRight().Text(text => text.BeginPageNumberOfSection(chapter.Title).Style(normalStyle));
                         });
                     }
                 });
             }
 
-            void Chapters(StackDescriptor stack)
+            void Chapters(ColumnDescriptor column)
             {
                 foreach (var chapter in chapters)
                 {
-                    stack.Item().Element(container => Chapter(container, chapter.Title, chapter.Content));
+                    column.Item().Element(container => Chapter(container, chapter.Title, chapter.Content));
                 }
             }
             
             void Chapter(IContainer container, string title, string content)
             {
-                container.Stack(stack =>
+                container.Column(column =>
                 {
-                    SectionTitle(stack, title);
+                    SectionTitle(column, title);
   
-                    stack.Item().Text(text =>
+                    column.Item().Text(text =>
                     {
                         text.ParagraphSpacing(5);
-                        text.Span(content, normalStyle);
+                        text.Span(content).Style(normalStyle);
                     });
                     
-                    stack.Item().PageBreak();
+                    column.Item().PageBreak();
                 });
             }
 
             void Acknowledgements(IContainer container)
             {
-                container.Stack(stack =>
+                container.Column(column =>
                 {
-                    SectionTitle(stack, "Podziękowania");
+                    SectionTitle(column, "Podziękowania");
                     
-                    stack.Item().Text(text =>
+                    column.Item().Text(text =>
                     {
                         text.DefaultTextStyle(normalStyle);
                         
                         text.Span("Ten dokument został wygenerowany na podstawie książki w formacie TXT opublikowanej w serwisie ");
-                        text.ExternalLocation("wolnelektury.pl", "https://wolnelektury.pl/", normalStyle.Color(Colors.Blue.Medium).Underline());
+                        text.Hyperlink("wolnelektury.pl", "https://wolnelektury.pl/").FontColor(Colors.Blue.Medium).Underline();
                         text.Span(". Dziękuję za wspieranie polskiego czytelnictwa!");
                     });
                 });
             }
 
-            void SectionTitle(StackDescriptor stack, string text)
+            void SectionTitle(ColumnDescriptor column, string text)
             {
-                stack.Item().Location(text).Text(text, subtitleStyle);
-                stack.Item().PaddingTop(10).PaddingBottom(50).BorderBottom(1).BorderColor(Colors.Grey.Lighten2).ExtendHorizontal();
+                column.Item().Location(text).Text(text).Style(subtitleStyle);
+                column.Item().PaddingTop(10).PaddingBottom(50).BorderBottom(1).BorderColor(Colors.Grey.Lighten2).ExtendHorizontal();
             }
             
             void Footer(IContainer container)

QuestPDF.Examples/TextExamples.cs

@@ -24,14 +24,15 @@ namespace QuestPDF.Examples
                 {
                     container
                         .Padding(5)
-                        .Box()
+                        .MinimalBox()
                         .Border(1)
                         .Padding(10)
                         .Text(text =>
                         {
-                            text.DefaultTextStyle(TextStyle.Default.Size(20));
+                            text.DefaultTextStyle(TextStyle.Default.FontSize(20));
                             text.Span("This is a normal text, followed by an ");
-                            text.Span("underlined red text.", TextStyle.Default.Size(20).Color(Colors.Red.Medium).Underline());
+                            text.Span("underlined red text").FontColor(Colors.Red.Medium).Underline();
+                            text.Span(".");
                         });
                 });
         }
@@ -48,7 +49,7 @@ namespace QuestPDF.Examples
                 {
                     container
                         .Padding(5)
-                        .Box()
+                        .MinimalBox()
                         .Border(1)
                         .Padding(10)
                         .Text(text =>
@@ -57,7 +58,7 @@ namespace QuestPDF.Examples
     
                             foreach (var i in Enumerable.Range(1, 3))
                             {
-                                text.Span($"Paragraph {i}: ", TextStyle.Default.SemiBold());
+                                text.Span($"Paragraph {i}: ").SemiBold();
                                 text.Line(Placeholders.Paragraph());
                             }
                         });
@@ -76,12 +77,12 @@ namespace QuestPDF.Examples
                 {
                     container
                         .Padding(5)
-                        .Box()
+                        .MinimalBox()
                         .Border(1)
                         .Padding(10)
                         .Text(text =>
                         {
-                            text.DefaultTextStyle(TextStyle.Default.Size(20));
+                            text.DefaultTextStyle(TextStyle.Default.FontSize(20));
                             text.Span("This is a random image aligned to the baseline: ");
                             
                             text.Element()
@@ -108,7 +109,7 @@ namespace QuestPDF.Examples
                     container
                         .Padding(20)
                         .Padding(10)
-                        .Box()
+                        .MinimalBox()
                         .Border(1)
                         .Padding(5)
                         .Padding(10)
@@ -120,13 +121,13 @@ namespace QuestPDF.Examples
 
                             text.Line(Placeholders.LoremIpsum());
 
-                            text.Span($"This is target text that should show up. {DateTime.UtcNow:T} > This is a short sentence that will be wrapped into second line hopefully, right? <", TextStyle.Default.Underline());
+                            text.Span($"This is target text that should show up. {DateTime.UtcNow:T} > This is a short sentence that will be wrapped into second line hopefully, right? <").Underline();
                         });
                 });
         }
         
         [Test]
-        public void TextStack()
+        public void Textcolumn()
         {
             RenderingTest
                 .Create()
@@ -138,7 +139,7 @@ namespace QuestPDF.Examples
                     container
                         .Padding(20)
                         .Padding(10)
-                        .Box()
+                        .MinimalBox()
                         .Border(1)
                         .Padding(5)
                         .Padding(10)
@@ -167,12 +168,14 @@ namespace QuestPDF.Examples
                     container
                         .Padding(20)
                         .Padding(10)
-                        .Box()
+                        .MinimalBox()
                         .Border(1)
                         .Padding(5)
                         .Padding(10)
                         .Text(text =>
                         {
+                            text.DefaultTextStyle(x => x.Bold());
+                            
                             text.DefaultTextStyle(TextStyle.Default);
                             text.AlignLeft();
                             text.ParagraphSpacing(10);
@@ -182,14 +185,14 @@ namespace QuestPDF.Examples
                             text.EmptyLine();
 
                             text.Span("This text is a normal text, ");
-                            text.Span("this is a bold text, ", TextStyle.Default.Bold());
-                            text.Span("this is a red and underlined text, ", TextStyle.Default.Color(Colors.Red.Medium).Underline());
-                            text.Span("and this is slightly bigger text.", TextStyle.Default.Size(16));
+                            text.Span("this is a bold text, ").Bold();
+                            text.Span("this is a red and underlined text, ").FontColor(Colors.Red.Medium).Underline();
+                            text.Span("and this is slightly bigger text.").FontSize(16);
 
                             text.EmptyLine();
 
                             text.Span("The new text element also supports injecting custom content between words: ");
-                            text.Element().PaddingBottom(-10).Height(16).Width(32).Image(Placeholders.Image);
+                            text.Element().PaddingBottom(-4).Height(16).Width(32).Image(Placeholders.Image);
                             text.Span(".");
 
                             text.EmptyLine();
@@ -201,7 +204,7 @@ namespace QuestPDF.Examples
 
                             text.EmptyLine();
 
-                            text.ExternalLocation("Please visit QuestPDF website", "https://www.questpdf.com");
+                            text.Hyperlink("Please visit QuestPDF website", "https://www.questpdf.com");
 
                             text.EmptyLine();
 
@@ -210,7 +213,7 @@ namespace QuestPDF.Examples
                             
                             text.EmptyLine();
 
-                            text.Span(Placeholders.Paragraphs(), TextStyle.Default.Italic());
+                            text.Span(Placeholders.Paragraphs()).Italic();
                             
                             text.Line("This is target text that does not show up. " + Placeholders.Paragraph());
                         });
@@ -230,23 +233,23 @@ namespace QuestPDF.Examples
                     container
                         .Padding(20)
                         .Padding(10)
-                        .Box()
+                        .MinimalBox()
                         .Border(1)
                         .Padding(5)
                         .Padding(10)
                         .Text(text =>
                         {
-                            text.DefaultTextStyle(TextStyle.Default);
+                            text.DefaultTextStyle(TextStyle.Default.FontSize(20));
                             text.AlignLeft();
                             text.ParagraphSpacing(10);
 
                             text.Span("This text is a normal text, ");
-                            text.Span("this is a bold text, ", TextStyle.Default.Bold());
-                            text.Span("this is a red and underlined text, ", TextStyle.Default.Color(Colors.Red.Medium).Underline());
-                            text.Span("and this is slightly bigger text.", TextStyle.Default.Size(16));
+                            text.Span("this is a bold text, ").Bold();
+                            text.Span("this is a red and underlined text, ").FontColor(Colors.Red.Medium).Underline();
+                            text.Span("and this is slightly bigger text.").FontSize(16);
                             
                             text.Span("The new text element also supports injecting custom content between words: ");
-                            text.Element().PaddingBottom(-10).Height(16).Width(32).Image(Placeholders.Image);
+                            text.Element().PaddingBottom(-4).Height(16).Width(32).Image(Placeholders.Image);
                             text.Span(".");
                             
                             text.EmptyLine();
@@ -255,7 +258,7 @@ namespace QuestPDF.Examples
                             {
                                 text.Line($"{i}: {Placeholders.Paragraph()}");
 
-                                text.ExternalLocation("Please visit QuestPDF website", "https://www.questpdf.com");
+                                text.Hyperlink("Please visit QuestPDF website", "https://www.questpdf.com");
                                 
                                 text.Span("This is page number ");
                                 text.CurrentPageNumber();
@@ -267,5 +270,106 @@ namespace QuestPDF.Examples
                         });
                 });
         }
+        
+        [Test]
+        public void MeasureIssueWhenSpaceAtLineEnd()
+        {
+            // issue 135
+            
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .RenderDocument(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Margin(50);
+                        page.PageColor(Colors.White);
+
+                        page.Size(PageSizes.A4);
+
+                        page.Content().Text("This is a specially crafted sentence with a specially chosen length for demonstration of the bug that occurs ;;;;;. ").FontSize(11).BackgroundColor(Colors.Red.Lighten3);
+                    });
+                });
+        }
+        
+        [Test]
+        public void EmptyText()
+        {
+            // issue 135
+            
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .RenderDocument(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Margin(50);
+                        page.PageColor(Colors.White);
+
+                        page.Size(PageSizes.A4);
+
+                        page.Content().Text("         ").FontSize(11).BackgroundColor(Colors.Red.Lighten3);
+                    });
+                });
+        }
+        
+        [Test]
+        public void Whitespaces()
+        {
+            // issue 135
+            
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .RenderDocument(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Margin(50);
+                        page.PageColor(Colors.White);
+
+                        page.Size(PageSizes.A4);
+
+                        page.Content().Text("     x     ").FontSize(11).BackgroundColor(Colors.Red.Lighten3);
+                    });
+                });
+        }
+        
+        [Test]
+        public void DrawingNullTextShouldNotThrowException()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .RenderDocument(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Margin(50);
+                        page.PageColor(Colors.White);
+
+                        page.Size(PageSizes.A4);
+
+                        page.Content().Column(column =>
+                        {
+                            column.Item().Text(null);
+
+                            column.Item().Text(text =>
+                            {
+                                text.Span(null);
+                                text.Line(null);
+                                text.Hyperlink(null, "http://www.questpdf.com");
+                                text.TotalPages().Format(x => null);
+                            });
+                        });
+                    });
+                });
+        }
     }
 }

QuestPDF.Examples/pdf-icon.svg

@@ -0,0 +1,149 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="75.320129mm"
+   height="92.604164mm"
+   viewBox="0 0 75.320129 92.604164"
+   version="1.1"
+   id="svg8"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"
+   sodipodi:docname="PDF file icon.svg">
+  <title
+     id="title2682">PDF file icon</title>
+  <defs
+     id="defs2">
+    <clipPath
+       clipPathUnits="userSpaceOnUse"
+       id="clipPath839">
+      <rect
+         style="opacity:1;fill:#000000;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+         id="rect841"
+         width="68.688263"
+         height="67.886459"
+         x="-74.033661"
+         y="141.44913" />
+    </clipPath>
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="0.98994949"
+     inkscape:cx="122.12727"
+     inkscape:cy="167.02823"
+     inkscape:document-units="mm"
+     inkscape:current-layer="g899"
+     showgrid="false"
+     inkscape:object-nodes="false"
+     inkscape:window-width="1366"
+     inkscape:window-height="705"
+     inkscape:window-x="-8"
+     inkscape:window-y="-8"
+     inkscape:window-maximized="1"
+     inkscape:snap-page="false"
+     inkscape:snap-others="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0" />
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title>PDF file icon</dc:title>
+        <dc:date>08/10/2018</dc:date>
+        <dc:creator>
+          <cc:Agent>
+            <dc:title>Adobe Systems</dc:title>
+          </cc:Agent>
+        </dc:creator>
+        <dc:publisher>
+          <cc:Agent>
+            <dc:title>CMetalCore</dc:title>
+          </cc:Agent>
+        </dc:publisher>
+        <dc:description>Fuente del texto &quot;PDF&quot;:
+Franklin Gothic Medium Cond</dc:description>
+        <cc:license
+           rdf:resource="http://creativecommons.org/licenses/by-sa/4.0/" />
+      </cc:Work>
+      <cc:License
+         rdf:about="http://creativecommons.org/licenses/by-sa/4.0/">
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#Reproduction" />
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#Distribution" />
+        <cc:requires
+           rdf:resource="http://creativecommons.org/ns#Notice" />
+        <cc:requires
+           rdf:resource="http://creativecommons.org/ns#Attribution" />
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#DerivativeWorks" />
+        <cc:requires
+           rdf:resource="http://creativecommons.org/ns#ShareAlike" />
+      </cc:License>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Capa 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(36.076172,-93.731774)">
+    <g
+       id="g899"
+       transform="matrix(1.4843054,0,0,1.4843054,17.471885,-90.243502)">
+      <g
+         id="g876">
+        <path
+           inkscape:connector-curvature="0"
+           style="color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:sans-serif;font-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000000;letter-spacing:normal;word-spacing:normal;text-transform:none;writing-mode:lr-tb;direction:ltr;text-orientation:mixed;dominant-baseline:auto;baseline-shift:baseline;text-anchor:start;white-space:normal;shape-padding:0;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;vector-effect:none;fill:#ff2116;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:2.11666656;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:markers fill stroke;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+           d="m -29.632812,123.94727 c -3.551967,0 -6.44336,2.89347 -6.44336,6.44531 v 49.49804 c 0,3.55185 2.891393,6.44532 6.44336,6.44532 H 8.2167969 c 3.5519661,0 6.4433591,-2.89335 6.4433591,-6.44532 v -40.70117 c 0,0 0.101353,-1.19181 -0.416015,-2.35156 -0.484969,-1.08711 -1.275391,-1.84375 -1.275391,-1.84375 a 1.0584391,1.0584391 0 0 0 -0.0059,-0.008 L 3.5722246,125.7752 a 1.0584391,1.0584391 0 0 0 -0.015625,-0.0156 c 0,0 -0.8017392,-0.76344 -1.9902344,-1.27344 -1.39939552,-0.6005 -2.8417968,-0.53711 -2.8417968,-0.53711 l 0.021484,-0.002 z"
+           id="path890" />
+        <path
+           inkscape:connector-curvature="0"
+           style="color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:sans-serif;font-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000000;letter-spacing:normal;word-spacing:normal;text-transform:none;writing-mode:lr-tb;direction:ltr;text-orientation:mixed;dominant-baseline:auto;baseline-shift:baseline;text-anchor:start;white-space:normal;shape-padding:0;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;vector-effect:none;fill:#f5f5f5;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:2.11666656;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:markers fill stroke;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+           d="m -29.632812,126.06445 h 28.3789058 a 1.0584391,1.0584391 0 0 0 0.021484,0 c 0,0 1.13480448,0.011 1.96484378,0.36719 0.79889772,0.34282 1.36536982,0.86176 1.36914062,0.86524 1.25e-5,1e-5 0.00391,0.004 0.00391,0.004 l 9.3671868,9.18945 c 0,0 0.564354,0.59582 0.837891,1.20899 0.220779,0.49491 0.234375,1.40039 0.234375,1.40039 a 1.0584391,1.0584391 0 0 0 -0.002,0.0449 v 40.74609 c 0,2.41592 -1.910258,4.32813 -4.3261717,4.32813 H -29.632812 c -2.415914,0 -4.326172,-1.91209 -4.326172,-4.32813 v -49.49804 c 0,-2.41603 1.910258,-4.32813 4.326172,-4.32813 z"
+           id="rect2684" />
+        <path
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QuestPDF.Previewer.Examples/Program.cs

@@ -0,0 +1,80 @@
+using Avalonia.Media;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using QuestPDF.Previewer;
+using QuestPDF.ReportSample;
+using QuestPDF.ReportSample.Layouts;
+using Colors = QuestPDF.Helpers.Colors;
+
+var model = DataSource.GetReport();
+var report = new StandardReport(model);
+report.ShowInPreviewer();
+
+return;
+
+Document
+    .Create(container =>
+    {
+        container.Page(page =>
+        {
+            page.Size(PageSizes.A4);
+            page.Margin(2, Unit.Centimetre);
+            page.PageColor(Colors.White);
+            page.DefaultTextStyle(x => x.FontSize(20));
+
+            page.Header()
+                .Text("Hot Reload!")
+                .SemiBold().FontSize(36).FontColor(Colors.Blue.Darken2);
+
+            page.Content()
+                .PaddingVertical(1, Unit.Centimetre)
+                .Column(x =>
+                {
+                    x.Spacing(20);
+
+                    x.Item().Table(t =>
+                    {
+                        t.ColumnsDefinition(c =>
+                        {
+                            c.RelativeColumn();
+                            c.RelativeColumn(3);
+                        });
+
+                        t.Cell().Border(1).Background(Colors.Grey.Lighten3).Padding(5).Text("Visual Studio");
+                        t.Cell().Border(1).Padding(5).Text("Start in debug mode with 'Hot Reload on Save' enabled.");
+                        t.Cell().Border(1).Background(Colors.Grey.Lighten3).Padding(5).Text("Command line");
+                        t.Cell().Border(1).Padding(5).Text("Run 'dotnet watch'.");
+                    });
+
+                    x.Item().Text("Modify this line and the preview should show your changes instantly.");
+                });
+
+            page.Footer()
+                .AlignCenter()
+                .Text(x =>
+                {
+                    x.Span("Page ");
+                    x.CurrentPageNumber();
+                });
+        });
+        
+        container.Page(page =>
+        {
+            page.Size(PageSizes.A4);
+            page.Margin(2, Unit.Centimetre);
+            page.PageColor(Colors.Red.Medium);
+            page.DefaultTextStyle(x => x.FontSize(20));
+
+            page.Content()
+                .PaddingVertical(1, Unit.Centimetre)
+                .Column(x =>
+                {
+                    x.Spacing(20);
+
+                    foreach (var i in Enumerable.Range(0, 10))
+                        x.Item().Background(Colors.Grey.Lighten2).Height(80);
+                });
+        });
+    })
+    .ShowInPreviewer();

QuestPDF.Previewer.Examples/QuestPDF.Previewer.Examples.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\QuestPDF.Previewer\QuestPDF.Previewer.csproj" />
+    <ProjectReference Include="..\QuestPDF.ReportSample\QuestPDF.ReportSample.csproj" />
+    <ProjectReference Include="..\QuestPDF\QuestPDF.csproj" />
+  </ItemGroup>
+
+</Project>

QuestPDF.Previewer/DocumentPreviewerExtensions.cs

@@ -0,0 +1,50 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.ReactiveUI;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Previewer
+{
+    public static class DocumentPreviewerExtensions
+    {
+        /// <summary>
+        /// Opens document in the QuestPDF previewer tool.
+        /// Improves development speed by supporting hot reloading.
+        /// Shows document preview and refreshes it after each code change.
+        /// </summary>
+        /// <remarks>
+        /// Intended for development only. Do not use in production environment.
+        /// </remarks>
+        public static void ShowInPreviewer(this IDocument document)
+        {
+            ArgumentNullException.ThrowIfNull(document);
+
+            // currently there is no way to utilize a previously run Avalonia app.
+            // so we need to check if the previewer was already run and show the window again.
+            if(Application.Current?.ApplicationLifetime is ClassicDesktopStyleApplicationLifetime desktop)
+            {
+                desktop.MainWindow = new PreviewerWindow()
+                {
+                    DataContext = new PreviewerWindowViewModel()
+                    {
+                        Document = document,
+                    }
+                };
+                
+                desktop.MainWindow.Show();
+                desktop.Start(Array.Empty<string>());
+                
+                return;
+            }
+
+            AppBuilder
+                .Configure(() => new PreviewerApp()
+                {
+                    Document = document,
+                })
+                .UsePlatformDetect()
+                .UseReactiveUI()
+                .StartWithClassicDesktopLifetime(Array.Empty<string>());
+        }
+    }
+}

QuestPDF.Previewer/DocumentRenderer.cs

@@ -0,0 +1,63 @@
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+using Avalonia.Threading;
+using QuestPDF.Drawing;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Previewer
+{
+    internal class DocumentRenderer : INotifyPropertyChanged
+    {
+        public IDocument? Document { get; private set; }
+
+        public event PropertyChangedEventHandler? PropertyChanged;
+
+        private ObservableCollection<PreviewPage> _pages = new();
+        public ObservableCollection<PreviewPage> Pages
+        {
+            get => _pages;
+            set
+            {
+                if (_pages != value)
+                {
+                    _pages = value;
+                    PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(Pages)));
+                }
+            }
+        }
+
+        public void UpdateDocument(IDocument? document)
+        {
+            Document = document;
+            
+            if (document == null) 
+                return;
+            
+            try
+            {
+                RenderDocument(document);
+            }
+            catch (Exception exception)
+            {
+                var exceptionDocument = new ExceptionDocument(exception);
+                RenderDocument(exceptionDocument);
+            }
+        }
+
+        private void RenderDocument(IDocument document)
+        {
+            var canvas = new PreviewerCanvas();
+
+            DocumentGenerator.RenderDocument(canvas, document);
+            
+            foreach (var pages in Pages)
+                pages?.Picture?.Dispose();
+            
+            Dispatcher.UIThread.Post(() =>
+            {
+                Pages.Clear();
+                Pages = new ObservableCollection<PreviewPage>(canvas.Pictures);
+            });
+        }
+    }
+}

QuestPDF.Previewer/ExceptionDocument.cs

@@ -0,0 +1,55 @@
+using QuestPDF.Drawing;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Previewer;
+
+public class ExceptionDocument : IDocument
+{
+    private Exception Exception { get; }
+    
+    public ExceptionDocument(Exception exception)
+    {
+        Exception = exception;
+    }
+    
+    public DocumentMetadata GetMetadata()
+    {
+        return DocumentMetadata.Default;
+    }
+
+    public void Compose(IDocumentContainer document)
+    {
+        document.Page(page =>
+        {
+            page.Size(PageSizes.A4);
+            page.Margin(1, Unit.Inch);
+            page.PageColor(Colors.Red.Lighten4);
+            page.DefaultTextStyle(x => x.FontSize(16));
+
+            page.Header()
+                .BorderBottom(2)
+                .BorderColor(Colors.Red.Medium)
+                .PaddingBottom(5)
+                .Text("Ooops! Something went wrong...").FontSize(28).FontColor(Colors.Red.Medium).Bold();
+
+            page.Content().PaddingVertical(20).Column(column =>
+            {
+                var currentException = Exception;
+
+                while (currentException != null)
+                {
+                    column.Item().Text(currentException.GetType().Name).FontSize(20).SemiBold();
+                    column.Item().Text(currentException.Message).FontSize(14);
+                    column.Item().PaddingTop(10).Text(currentException.StackTrace).FontSize(10).Light();
+
+                    currentException = currentException.InnerException;
+
+                    if (currentException != null)
+                        column.Item().PaddingVertical(15).LineHorizontal(2).LineColor(Colors.Red.Medium);
+                }
+            });
+        });
+    }
+}

QuestPDF.Previewer/HotReloadManager.cs

@@ -0,0 +1,17 @@
+[assembly: System.Reflection.Metadata.MetadataUpdateHandler(typeof(QuestPDF.Previewer.HotReloadManager))]
+
+namespace QuestPDF.Previewer
+{
+    /// <summary>
+    /// Helper for subscribing to hot reload notifications.
+    /// </summary>
+    internal static class HotReloadManager
+    {
+        public static event EventHandler? UpdateApplicationRequested;
+
+        public static void UpdateApplication(Type[]? _)
+        {
+            UpdateApplicationRequested?.Invoke(null, EventArgs.Empty);
+        }
+    }
+}

QuestPDF.Previewer/InteractiveCanvas.cs

@@ -0,0 +1,205 @@
+using System.Diagnostics;
+using Avalonia;
+using Avalonia.Platform;
+using Avalonia.Rendering.SceneGraph;
+using Avalonia.Skia;
+using SkiaSharp;
+
+namespace QuestPDF.Previewer;
+
+class InteractiveCanvas : ICustomDrawOperation
+{
+    public Rect Bounds { get; set; }
+    public ICollection<PreviewPage> Pages { get; set; }
+
+    private float Width => (float)Bounds.Width;
+    private float Height => (float)Bounds.Height;
+
+    public float Scale { get; private set; } = 1;
+    public float TranslateX { get; set; }
+    public float TranslateY { get; set; }
+
+    private const float MinScale = 0.1f;
+    private const float MaxScale = 10f;
+
+    private const float PageSpacing = 25f;
+    private const float SafeZone = 25f;
+
+    public float TotalPagesHeight => Pages.Sum(x => x.Size.Height) + (Pages.Count - 1) * PageSpacing;
+    public float TotalHeight => TotalPagesHeight + SafeZone * 2 / Scale;
+    public float MaxWidth => Pages.Any() ? Pages.Max(x => x.Size.Width) : 0;
+    
+    public float MaxTranslateY => TotalHeight - Height / Scale;
+
+    public float ScrollPercentY
+    {
+        get
+        {
+            return TranslateY / MaxTranslateY;
+        }
+        set
+        {
+            TranslateY = value * MaxTranslateY;
+        }
+    }
+
+    public float ScrollViewportSizeY
+    {
+        get
+        {
+            var viewPortSize = Height / Scale / TotalHeight;
+            return Math.Clamp(viewPortSize, 0, 1);
+        }
+    }
+
+    #region transformations
+    
+    private void LimitScale()
+    {
+        Scale = Math.Max(Scale, MinScale);
+        Scale = Math.Min(Scale, MaxScale);
+    }
+    
+    private void LimitTranslate()
+    {
+        if (TotalPagesHeight > Height / Scale)
+        {
+            TranslateY = Math.Min(TranslateY, MaxTranslateY);
+            TranslateY = Math.Max(TranslateY, 0);
+        }
+        else
+        {
+            TranslateY = (TotalPagesHeight - Height / Scale) / 2;
+        }
+
+        if (Width / Scale < MaxWidth)
+        {
+            var maxTranslateX = (Width / 2 - SafeZone) / Scale - MaxWidth / 2;
+
+            TranslateX = Math.Min(TranslateX, -maxTranslateX);
+            TranslateX = Math.Max(TranslateX, maxTranslateX);
+        }
+        else
+        {
+            TranslateX = 0;
+        }
+    }
+
+    public void TranslateWithCurrentScale(float x, float y)
+    {
+        TranslateX += x / Scale;
+        TranslateY += y / Scale;
+
+        LimitTranslate();
+    }
+    
+    public void ZoomToPoint(float x, float y, float factor)
+    {
+        var oldScale = Scale;
+        Scale *= factor;
+                
+        LimitScale();
+                
+        factor = Scale / oldScale;
+        
+        TranslateX -= x / (oldScale * factor) - x / oldScale;
+        TranslateY -= y / (oldScale * factor) - y / oldScale;
+
+        LimitTranslate();
+    }
+    
+    #endregion
+    
+    #region rendering
+    
+    public void Render(IDrawingContextImpl context)
+    {
+        if (Pages.Count <= 0)
+            return;
+
+        LimitScale();
+        LimitTranslate();
+        
+        var canvas = (context as ISkiaDrawingContextImpl)?.SkCanvas;
+        
+        if (canvas == null)
+            throw new InvalidOperationException($"Context needs to be ISkiaDrawingContextImpl but got {nameof(context)}");
+
+        var originalMatrix = canvas.TotalMatrix;
+
+        canvas.Translate(Width / 2, 0);
+        
+        canvas.Scale(Scale);
+        canvas.Translate(TranslateX, -TranslateY + SafeZone / Scale);
+        
+        foreach (var page in Pages)
+        {
+            canvas.Translate(-page.Size.Width / 2f, 0);
+            DrawBlankPage(canvas, page.Size);
+            canvas.DrawPicture(page.Picture);
+            canvas.Translate(page.Size.Width / 2f, page.Size.Height + PageSpacing);
+        }
+
+        canvas.SetMatrix(originalMatrix);
+        DrawInnerGradient(canvas);
+    }
+    
+    public void Dispose() { }
+    public bool Equals(ICustomDrawOperation? other) => false;
+    public bool HitTest(Point p) => true;
+
+    #endregion
+    
+    #region blank page
+
+    private static SKPaint BlankPagePaint = new SKPaint
+    {
+        Color = SKColors.White
+    };
+    
+    private static SKPaint BlankPageShadowPaint = new SKPaint
+    {
+        ImageFilter = SKImageFilter.CreateBlendMode(
+            SKBlendMode.Overlay, 
+            SKImageFilter.CreateDropShadowOnly(0, 6, 6, 6, SKColors.Black.WithAlpha(64)),
+            SKImageFilter.CreateDropShadowOnly(0, 10, 14, 14, SKColors.Black.WithAlpha(32)))
+    };
+    
+    private void DrawBlankPage(SKCanvas canvas, QuestPDF.Infrastructure.Size size)
+    {
+        canvas.DrawRect(0, 0, size.Width, size.Height, BlankPageShadowPaint);
+        canvas.DrawRect(0, 0, size.Width, size.Height, BlankPagePaint);
+    }
+    
+    #endregion
+
+    #region inner viewport gradient
+
+    private const int InnerGradientSize = (int)SafeZone;
+    private static readonly SKColor InnerGradientColor = SKColor.Parse("#666");
+    
+    private void DrawInnerGradient(SKCanvas canvas)
+    {
+        // gamma correction
+        var colors = Enumerable
+            .Range(0, InnerGradientSize)
+            .Select(x => 1f - x / (float) InnerGradientSize)
+            .Select(x => Math.Pow(x, 2f))
+            .Select(x => (byte)(x * 255))
+            .Select(x => InnerGradientColor.WithAlpha(x))
+            .ToArray();
+        
+        using var fogPaint = new SKPaint
+        {
+            Shader = SKShader.CreateLinearGradient(
+                new SKPoint(0, 0),
+                new SKPoint(0, InnerGradientSize), 
+                colors,
+                SKShaderTileMode.Clamp)
+        };
+        
+        canvas.DrawRect(0, 0, Width, InnerGradientSize, fogPaint);
+    }
+
+    #endregion
+}

QuestPDF.Previewer/PreviewerApp.axaml

@@ -0,0 +1,7 @@
+<Application x:Class="QuestPDF.Previewer.PreviewerApp"
+             xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+	<Application.Styles>
+		<FluentTheme Mode="Dark" />
+	</Application.Styles>
+</Application>

QuestPDF.Previewer/PreviewerApp.axaml.cs

@@ -0,0 +1,33 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Previewer
+{
+    internal class PreviewerApp : Application
+    {
+        public IDocument? Document { get; init; }
+
+        public override void Initialize()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        public override void OnFrameworkInitializationCompleted()
+        {
+            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                desktop.MainWindow = new PreviewerWindow()
+                {
+                    DataContext = new PreviewerWindowViewModel()
+                    {
+                        Document = Document,
+                    }
+                };
+            }
+            
+            base.OnFrameworkInitializationCompleted();
+        }
+    }
+}

QuestPDF.Previewer/PreviewerCanvas.cs

@@ -0,0 +1,42 @@
+using QuestPDF.Drawing;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Previewer
+{
+    record PreviewPage(SKPicture Picture, Size Size);
+    
+    sealed class PreviewerCanvas : SkiaCanvasBase, IRenderingCanvas
+    {
+        private SKPictureRecorder? PictureRecorder { get; set; }
+        private Size? CurrentPageSize { get; set; }
+        
+        public ICollection<PreviewPage> Pictures { get; } = new List<PreviewPage>();
+        
+        public override void BeginDocument()
+        {
+            Pictures.Clear();
+        }
+
+        public override void BeginPage(Size size)
+        {
+            CurrentPageSize = size;
+            PictureRecorder = new SKPictureRecorder();
+            
+            Canvas = PictureRecorder.BeginRecording(new SKRect(0, 0, size.Width, size.Height));
+        }
+
+        public override void EndPage()
+        {
+            var picture = PictureRecorder?.EndRecording();
+            
+            if (picture != null && CurrentPageSize.HasValue)
+                Pictures.Add(new PreviewPage(picture, CurrentPageSize.Value));
+
+            PictureRecorder?.Dispose();
+            PictureRecorder = null;
+        }
+
+        public override void EndDocument() { }
+    }
+}

QuestPDF.Previewer/PreviewerControl.cs

@@ -0,0 +1,120 @@
+using System.Collections.ObjectModel;
+using System.Diagnostics;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Media;
+using ReactiveUI;
+
+namespace QuestPDF.Previewer
+{
+    class PreviewerControl : Control
+    {
+        private InteractiveCanvas InteractiveCanvas { get; set; } = new ();
+        
+        public static readonly StyledProperty<ObservableCollection<PreviewPage>> PagesProperty =
+            AvaloniaProperty.Register<PreviewerControl, ObservableCollection<PreviewPage>>(nameof(Pages));
+        
+        public ObservableCollection<PreviewPage>? Pages
+        {
+            get => GetValue(PagesProperty);
+            set => SetValue(PagesProperty, value);
+        }
+
+        public static readonly StyledProperty<float> CurrentScrollProperty = AvaloniaProperty.Register<PreviewerControl, float>(nameof(CurrentScroll));
+        
+        public float CurrentScroll
+        {
+            get => GetValue(CurrentScrollProperty);
+            set => SetValue(CurrentScrollProperty, value);
+        }
+        
+        public static readonly StyledProperty<float> ScrollViewportSizeProperty = AvaloniaProperty.Register<PreviewerControl, float>(nameof(ScrollViewportSize));
+        
+        public float ScrollViewportSize
+        {
+            get => GetValue(ScrollViewportSizeProperty);
+            set => SetValue(ScrollViewportSizeProperty, value);
+        }
+        
+        public PreviewerControl()
+        {
+            PagesProperty.Changed.Subscribe(x =>
+            {
+                InteractiveCanvas.Pages = x.NewValue.Value;
+                InvalidateVisual();
+            });
+
+            CurrentScrollProperty.Changed.Subscribe(x =>
+            {
+                InteractiveCanvas.ScrollPercentY = x.NewValue.Value;
+                InvalidateVisual();
+            });
+
+            ClipToBounds = true;
+        }
+        
+        protected override void OnPointerWheelChanged(PointerWheelEventArgs e)
+        {
+            base.OnPointerWheelChanged(e);
+
+            if ((e.KeyModifiers & KeyModifiers.Control) != 0)
+            {
+                var scaleFactor = 1 + e.Delta.Y / 10f;
+                var point = new Point(Bounds.Center.X, Bounds.Top) - e.GetPosition(this);
+                
+                InteractiveCanvas.ZoomToPoint((float)point.X, -(float)point.Y, (float)scaleFactor);
+            }
+                
+            if (e.KeyModifiers == KeyModifiers.None)
+            {
+                var translation = (float)e.Delta.Y * 25;
+                InteractiveCanvas.TranslateWithCurrentScale(0, -translation);
+            }
+                
+            InvalidateVisual();
+        }
+
+        private bool IsMousePressed { get; set; }
+        private Vector MousePosition { get; set; }
+        
+        protected override void OnPointerMoved(PointerEventArgs e)
+        {
+            base.OnPointerMoved(e);
+
+            if (IsMousePressed)
+            {
+                var currentPosition = e.GetPosition(this);
+                var translation = currentPosition - MousePosition;
+                InteractiveCanvas.TranslateWithCurrentScale((float)translation.X, -(float)translation.Y);
+                
+                InvalidateVisual();
+            }
+
+            MousePosition = e.GetPosition(this);
+        }
+        
+        protected override void OnPointerPressed(PointerPressedEventArgs e)
+        {
+            base.OnPointerPressed(e);
+            IsMousePressed = true;
+        }
+
+        protected override void OnPointerReleased(PointerReleasedEventArgs e)
+        {
+            base.OnPointerReleased(e);
+            IsMousePressed = false;
+        }
+
+        public override void Render(DrawingContext context)
+        {
+            CurrentScroll = InteractiveCanvas.ScrollPercentY;
+            ScrollViewportSize = InteractiveCanvas.ScrollViewportSizeY;
+    
+            InteractiveCanvas.Bounds = new Rect(0, 0, Bounds.Width, Bounds.Height);
+
+            context.Custom(InteractiveCanvas);
+            base.Render(context);
+        }
+    }
+}

QuestPDF.Previewer/PreviewerWindow.axaml

@@ -0,0 +1,82 @@
+<Window xmlns="https://github.com/avaloniaui"
+							xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+							xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+							xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+							xmlns:previewer="clr-namespace:QuestPDF.Previewer"
+							mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+							x:Class="QuestPDF.Previewer.PreviewerWindow"
+							WindowStartupLocation="CenterScreen"
+							ExtendClientAreaToDecorationsHint="true"
+							ExtendClientAreaTitleBarHeightHint="-1"
+							Background="#666"
+							Icon="/Images/Logo.png"
+							UseLayoutRounding="True"
+							Title="QuestPDF Document Preview">
+	<Panel>
+		<Grid>
+			<Grid.RowDefinitions>
+				<RowDefinition Height="32" />
+				<RowDefinition Height="*" />
+			</Grid.RowDefinitions>
+
+			<Grid.ColumnDefinitions>
+				<ColumnDefinition Width="*" />
+				<ColumnDefinition Width="Auto" />
+			</Grid.ColumnDefinitions>
+			
+			<TextBlock Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2"
+			           VerticalAlignment="Center" HorizontalAlignment="Center" 
+			           TextAlignment="Center" Text="QuestPDF Previewer" FontSize="14" Foreground="#DFFF" FontWeight="Regular" IsHitTestVisible="False" />
+			
+			<previewer:PreviewerControl Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2"
+			                            HorizontalAlignment="Stretch" 
+			                            VerticalAlignment="Stretch"
+			                            CurrentScroll="{Binding CurrentScroll, Mode=TwoWay}"
+			                            ScrollViewportSize="{Binding ScrollViewportSize, Mode=OneWayToSource}"
+			                            Pages="{Binding DocumentRenderer.Pages, Mode=OneWay}" />
+			
+			<StackPanel Grid.Row="1" Grid.Column="0" Orientation="Vertical" VerticalAlignment="Bottom" Spacing="16" Margin="32" ZIndex="100">
+				<Button VerticalAlignment="Bottom" HorizontalAlignment="Left" 
+				        Padding="10" CornerRadius="100" 
+				        Command="{Binding ShowPdfCommand, Mode=OneTime}"
+				        ToolTip.Tip="Generates PDF file and shows it in the default browser. Useful for testing compatibility and interactive links.">
+					<Viewbox Width="24" Height="24">
+						<Canvas Width="24" Height="24">
+							<Path Fill="White" Data="M14,2H6A2,2 0 0,0 4,4V20A2,2 0 0,0 6,22H13C12.59,21.75 12.2,21.44 11.86,21.1C11.53,20.77 11.25,20.4 11,20H6V4H13V9H18V10.18C18.71,10.34 19.39,10.61 20,11V8L14,2M20.31,18.9C21.64,16.79 21,14 18.91,12.68C16.8,11.35 14,12 12.69,14.08C11.35,16.19 12,18.97 14.09,20.3C15.55,21.23 17.41,21.23 18.88,20.32L22,23.39L23.39,22L20.31,18.9M16.5,19A2.5,2.5 0 0,1 14,16.5A2.5,2.5 0 0,1 16.5,14A2.5,2.5 0 0,1 19,16.5A2.5,2.5 0 0,1 16.5,19Z" />
+						</Canvas>
+					</Viewbox>
+				</Button>
+				
+				<Button VerticalAlignment="Bottom" HorizontalAlignment="Left" 
+				        Padding="10" CornerRadius="100" 
+				        Command="{Binding ShowDocumentationCommand, Mode=OneTime}"
+				        ToolTip.Tip="Opens official QuestPDF documentation">
+					<Viewbox Width="24" Height="24">
+						<Canvas Width="24" Height="24">
+							<Path Fill="White" Data="M19 1L14 6V17L19 12.5V1M21 5V18.5C19.9 18.15 18.7 18 17.5 18C15.8 18 13.35 18.65 12 19.5V6C10.55 4.9 8.45 4.5 6.5 4.5C4.55 4.5 2.45 4.9 1 6V20.65C1 20.9 1.25 21.15 1.5 21.15C1.6 21.15 1.65 21.1 1.75 21.1C3.1 20.45 5.05 20 6.5 20C8.45 20 10.55 20.4 12 21.5C13.35 20.65 15.8 20 17.5 20C19.15 20 20.85 20.3 22.25 21.05C22.35 21.1 22.4 21.1 22.5 21.1C22.75 21.1 23 20.85 23 20.6V6C22.4 5.55 21.75 5.25 21 5M10 18.41C8.75 18.09 7.5 18 6.5 18C5.44 18 4.18 18.19 3 18.5V7.13C3.91 6.73 5.14 6.5 6.5 6.5C7.86 6.5 9.09 6.73 10 7.13V18.41Z" />
+						</Canvas>
+					</Viewbox>
+				</Button>
+				
+				<Button VerticalAlignment="Bottom" HorizontalAlignment="Left" 
+				        Padding="10" CornerRadius="100" 
+				        Command="{Binding SponsorProjectCommand, Mode=OneTime}"
+				        ToolTip.Tip="Do you like QuestPDF? Please consider sponsoring the project. It really helps!">
+					<Viewbox Width="24" Height="24">
+						<Canvas Width="24" Height="24">
+							<Path Fill="White" Data="M12,21.1L10.5,22.4C3.9,16.5 0.5,13.4 0.5,9.6C0.5,8.4 0.9,7.3 1.5,6.4C1.5,6.6 1.5,6.8 1.5,7C1.5,11.7 5.4,15.2 12,21.1M13.6,17C18.3,12.7 21.5,9.9 21.6,7C21.6,5 20.1,3.5 18.1,3.5C16.5,3.5 15,4.5 14.5,5.9H12.6C12,4.5 10.5,3.5 9,3.5C7,3.5 5.5,5 5.5,7C5.5,9.9 8.6,12.7 13.4,17L13.5,17.1M18,1.5C21.1,1.5 23.5,3.9 23.5,7C23.5,10.7 20.1,13.8 13.5,19.8C6.9,13.9 3.5,10.8 3.5,7C3.5,3.9 5.9,1.5 9,1.5C10.7,1.5 12.4,2.3 13.5,3.6C14.6,2.3 16.3,1.5 18,1.5Z" />
+						</Canvas>
+					</Viewbox>
+				</Button>
+			</StackPanel>
+			
+			<ScrollBar Grid.Row="1" Grid.Column="1"
+			           Orientation="Vertical" 
+			           AllowAutoHide="False" 
+			           Minimum="0" Maximum="1" 
+			           IsVisible="{Binding VerticalScrollbarVisible, Mode=OneWay}"
+			           Value="{Binding CurrentScroll, Mode=TwoWay}" 
+			           ViewportSize="{Binding ScrollViewportSize, Mode=OneWay}"></ScrollBar>
+		</Grid>
+	</Panel>
+</Window>

QuestPDF.Previewer/PreviewerWindow.axaml.cs

@@ -0,0 +1,23 @@
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace QuestPDF.Previewer
+{
+    class PreviewerWindow : Window
+    {
+        public PreviewerWindow()
+        {
+            InitializeComponent();
+        }
+
+        protected override void OnClosed(EventArgs e)
+        {
+            (DataContext as PreviewerWindowViewModel)?.UnregisterHotReloadHandler();
+        }
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+    }
+}

QuestPDF.Previewer/PreviewerWindowViewModel.cs

@@ -0,0 +1,108 @@
+using QuestPDF.Fluent;
+using System.Diagnostics;
+using ReactiveUI;
+using QuestPDF.Infrastructure;
+using Unit = System.Reactive.Unit;
+using Avalonia.Threading;
+
+namespace QuestPDF.Previewer
+{
+    internal class PreviewerWindowViewModel : ReactiveObject
+    {
+        public DocumentRenderer DocumentRenderer { get; } = new();
+
+        private IDocument? _document;
+        public IDocument? Document
+        {
+            get => _document;
+            set
+            {
+                this.RaiseAndSetIfChanged(ref _document, value);
+                UpdateDocument(value);
+            }
+        }
+
+        private float _currentScroll;
+        public float CurrentScroll
+        {
+            get => _currentScroll;
+            set => this.RaiseAndSetIfChanged(ref _currentScroll, value);
+        }
+
+        private float _scrollViewportSize;
+        public float ScrollViewportSize
+        {
+            get => _scrollViewportSize;
+            set
+            {
+                this.RaiseAndSetIfChanged(ref _scrollViewportSize, value);
+                VerticalScrollbarVisible = value < 1;
+            }
+        }
+
+        private bool _verticalScrollbarVisible;
+        public bool VerticalScrollbarVisible
+        {
+            get => _verticalScrollbarVisible;
+            private set => Dispatcher.UIThread.Post(() => this.RaiseAndSetIfChanged(ref _verticalScrollbarVisible, value));
+        }
+
+        public ReactiveCommand<Unit, Unit> ShowPdfCommand { get; }
+        public ReactiveCommand<Unit, Unit> ShowDocumentationCommand { get; }
+        public ReactiveCommand<Unit, Unit> SponsorProjectCommand { get; }
+
+        public PreviewerWindowViewModel()
+        {
+            HotReloadManager.UpdateApplicationRequested += InvalidateDocument;
+            
+            ShowPdfCommand = ReactiveCommand.Create(ShowPdf);
+            ShowDocumentationCommand = ReactiveCommand.Create(() => OpenLink("https://www.questpdf.com/documentation/api-reference.html"));
+            SponsorProjectCommand = ReactiveCommand.Create(() => OpenLink("https://github.com/sponsors/QuestPDF"));
+        }
+
+        public void UnregisterHotReloadHandler()
+        {
+            HotReloadManager.UpdateApplicationRequested -= InvalidateDocument;
+        }
+
+        private void InvalidateDocument(object? sender, EventArgs e)
+        {
+            UpdateDocument(Document);
+        }
+
+        private Task UpdateDocument(IDocument? document)
+        {
+            return Task.Run(() => DocumentRenderer.UpdateDocument(document));
+        }
+
+        private void ShowPdf()
+        {
+            var filePath = Path.Combine(Path.GetTempPath(), $"{Guid.NewGuid():N}.pdf");
+
+            try
+            {
+                Document?.GeneratePdf(filePath);
+            }
+            catch (Exception exception)
+            {
+                new ExceptionDocument(exception).GeneratePdf(filePath);
+            }
+
+            OpenLink(filePath);
+        }
+        
+        private void OpenLink(string path)
+        {
+            var openBrowserProcess = new Process
+            {
+                StartInfo = new()
+                {
+                    UseShellExecute = true,
+                    FileName = path
+                }
+            };
+
+            openBrowserProcess.Start();
+        }
+    }
+}

QuestPDF.Previewer/QuestPDF.Previewer.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <AvaloniaResource Include="Images\Logo.png" />
+  </ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Avalonia" Version="0.10.10" />
+		<PackageReference Include="Avalonia.Desktop" Version="0.10.10" />
+		<PackageReference Include="Avalonia.Diagnostics" Version="0.10.10" />
+		<PackageReference Include="Avalonia.Markup.Xaml.Loader" Version="0.10.10" />
+		<PackageReference Include="Avalonia.ReactiveUI" Version="0.10.10" />
+		<PackageReference Include="ReactiveUI" Version="17.1.50" />
+		<PackageReference Include="System.Reactive" Version="5.0.0" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <ProjectReference Include="..\QuestPDF\QuestPDF.csproj" />
+	</ItemGroup>
+
+</Project>

QuestPDF.ReportSample/Helpers.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Concurrent;
 using System.IO;
 using SkiaSharp;
 
@@ -24,5 +25,32 @@ namespace QuestPDF.ReportSample
                 Latitude = Helpers.Random.NextDouble() * 180f - 90f
             };
         }
+
+        private static readonly ConcurrentDictionary<int, string> RomanNumeralCache = new ConcurrentDictionary<int, string>();
+
+        public static string FormatAsRomanNumeral(this int number)
+        {
+            if (number < 0 || number > 3999) 
+                throw new ArgumentOutOfRangeException("Number should be in range from 1 to 3999");
+            
+            return RomanNumeralCache.GetOrAdd(number, x =>
+            {
+                if (x >= 1000) return "M" + FormatAsRomanNumeral(x - 1000);
+                if (x >= 900) return "CM" + FormatAsRomanNumeral(x - 900); 
+                if (x >= 500) return "D" + FormatAsRomanNumeral(x - 500);
+                if (x >= 400) return "CD" + FormatAsRomanNumeral(x - 400);
+                if (x >= 100) return "C" + FormatAsRomanNumeral(x - 100);            
+                if (x >= 90) return "XC" + FormatAsRomanNumeral(x - 90);
+                if (x >= 50) return "L" + FormatAsRomanNumeral(x - 50);
+                if (x >= 40) return "XL" + FormatAsRomanNumeral(x - 40);
+                if (x >= 10) return "X" + FormatAsRomanNumeral(x - 10);
+                if (x >= 9) return "IX" + FormatAsRomanNumeral(x - 9);
+                if (x >= 5) return "V" + FormatAsRomanNumeral(x - 5);
+                if (x >= 4) return "IV" + FormatAsRomanNumeral(x - 4);
+                if (x >= 1) return "I" + FormatAsRomanNumeral(x - 1);
+                
+                return string.Empty;  
+            });
+        }
     }
 }

QuestPDF.ReportSample/Layouts/DifferentHeadersTemplate.cs

@@ -26,58 +26,58 @@ namespace QuestPDF.ReportSample.Layouts
 
         private void ComposeHeader(IContainer container)
         {
-            container.Background(Colors.Grey.Lighten3).Border(1).Stack(stack =>
+            container.Background(Colors.Grey.Lighten3).Border(1).Column(column =>
             {
-                stack.Item().ShowOnce().Padding(5).AlignMiddle().Row(row =>
+                column.Item().ShowOnce().Padding(5).AlignMiddle().Row(row =>
                 {
-                    row.RelativeColumn(2).AlignMiddle().Text("PRIMARY HEADER", TextStyle.Default.Color(Colors.Grey.Darken3).Size(30).Bold());
-                    row.RelativeColumn(1).AlignRight().Box().AlignMiddle().Background(Colors.Blue.Darken2).Padding(30);
+                    row.RelativeItem(2).AlignMiddle().Text("PRIMARY HEADER").FontColor(Colors.Grey.Darken3).FontSize(30).Bold();
+                    row.RelativeItem(1).AlignRight().MinimalBox().AlignMiddle().Background(Colors.Blue.Darken2).Padding(30);
                 });
-                stack.Item().SkipOnce().Padding(5).Row(row =>
+                column.Item().SkipOnce().Padding(5).Row(row =>
                 {
-                    row.RelativeColumn(2).Text("SECONDARY HEADER", TextStyle.Default.Color(Colors.Grey.Darken3).Size(30).Bold());
-                    row.RelativeColumn(1).AlignRight().Box().Background(Colors.Blue.Lighten4).Padding(15);
+                    row.RelativeItem(2).Text("SECONDARY HEADER").FontColor(Colors.Grey.Darken3).FontSize(30).Bold();
+                    row.RelativeItem(1).AlignRight().MinimalBox().Background(Colors.Blue.Lighten4).Padding(15);
                 });
             });
         }
 
         private void ComposeContent(IContainer container)
         {
-            container.Stack(stack =>
+            container.Column(column =>
             {
-                stack.Item().PaddingVertical(80).Text("First");
-                stack.Item().PageBreak();
-                stack.Item().PaddingVertical(80).Text("Second");
-                stack.Item().PageBreak();
-                stack.Item().PaddingVertical(80).Text("Third");
-                stack.Item().PageBreak();
+                column.Item().PaddingVertical(80).Text("First");
+                column.Item().PageBreak();
+                column.Item().PaddingVertical(80).Text("Second");
+                column.Item().PageBreak();
+                column.Item().PaddingVertical(80).Text("Third");
+                column.Item().PageBreak();
             });
         }
 
         private void ComposeFooter(IContainer container)
         {
-            container.Background(Colors.Grey.Lighten3).Stack(stack =>
+            container.Background(Colors.Grey.Lighten3).Column(column =>
             {
-                stack.Item().ShowOnce().Background(Colors.Grey.Lighten3).Row(row =>
+                column.Item().ShowOnce().Background(Colors.Grey.Lighten3).Row(row =>
                 {
-                    row.RelativeColumn().Text(x =>
+                    row.RelativeItem().Text(x =>
                     {
                         x.CurrentPageNumber();
                         x.Span(" / ");
                         x.TotalPages();
                     });
-                    row.RelativeColumn().AlignRight().Text("Footer for header");
+                    row.RelativeItem().AlignRight().Text("Footer for header");
                 });
 
-                stack.Item().SkipOnce().Background(Colors.Grey.Lighten3).Row(row =>
+                column.Item().SkipOnce().Background(Colors.Grey.Lighten3).Row(row =>
                 {
-                    row.RelativeColumn().Text(x =>
+                    row.RelativeItem().Text(x =>
                     {
                         x.CurrentPageNumber();
                         x.Span(" / ");
                         x.TotalPages();
                     });
-                    row.RelativeColumn().AlignRight().Text("Footer for every page except header");
+                    row.RelativeItem().AlignRight().Text("Footer for every page except header");
                 });
             });
         }

QuestPDF.ReportSample/Layouts/PhotoTemplate.cs

@@ -1,3 +1,4 @@
+using System;
 using QuestPDF.Fluent;
 using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
@@ -17,11 +18,11 @@ namespace QuestPDF.ReportSample.Layouts
         {
             container
                 .ShowEntire()
-                .Stack(stack =>
+                .Column(column =>
                 {
-                    stack.Spacing(5);
-                    stack.Item().Element(PhotoWithMaps);
-                    stack.Item().Element(PhotoDetails);
+                    column.Spacing(5);
+                    column.Item().Element(PhotoWithMaps);
+                    column.Item().Element(PhotoDetails);
                 });
         }
         
@@ -30,14 +31,14 @@ namespace QuestPDF.ReportSample.Layouts
             container
                 .Row(row =>
                 {
-                    row.RelativeColumn(2).AspectRatio(4 / 3f).Component<ImagePlaceholder>();
+                    row.RelativeItem(2).AspectRatio(4 / 3f).Component<ImagePlaceholder>();
 
-                    row.RelativeColumn().PaddingLeft(5).Stack(stack =>
+                    row.RelativeItem().PaddingLeft(5).Column(column =>
                     {
-                        stack.Spacing(7f);
+                        column.Spacing(7f);
                         
-                        stack.Item().AspectRatio(4 / 3f).Component<ImagePlaceholder>();
-                        stack.Item().AspectRatio(4 / 3f).Component<ImagePlaceholder>();
+                        column.Item().AspectRatio(4 / 3f).Component<ImagePlaceholder>();
+                        column.Item().AspectRatio(4 / 3f).Component<ImagePlaceholder>();
                     });
                 });
         }
@@ -47,7 +48,7 @@ namespace QuestPDF.ReportSample.Layouts
             container.Border(0.75f).BorderColor(Colors.Grey.Medium).Grid(grid =>
             {
                 grid.Columns(6);
-                
+
                 grid.Item().LabelCell().Text("Date");
                 grid.Item(2).ValueCell().Text(Model.Date?.ToString("g") ?? string.Empty);
                 grid.Item().LabelCell().Text("Location");

QuestPDF.ReportSample/Layouts/SectionTemplate.cs

@@ -21,25 +21,26 @@ namespace QuestPDF.ReportSample.Layouts
                 .Decoration(decoration =>
                 {
                     decoration
-                        .Header()
+                        .Before()
                         .PaddingBottom(5)
-                        .Text(Model.Title, Typography.Headline);
+                        .Text(Model.Title)
+                        .Style(Typography.Headline);
 
-                    decoration.Content().Border(0.75f).BorderColor(Colors.Grey.Medium).Stack(stack =>
+                    decoration.Content().Border(0.75f).BorderColor(Colors.Grey.Medium).Column(column =>
                     {
                         foreach (var part in Model.Parts)
                         {
-                            stack.Item().EnsureSpace(25).Row(row =>
+                            column.Item().EnsureSpace(25).Row(row =>
                             {
-                                row.ConstantColumn(150).LabelCell().Text(part.Label);
-                                var frame = row.RelativeColumn().ValueCell();
+                                row.ConstantItem(150).LabelCell().Text(part.Label);
+                                var frame = row.RelativeItem().ValueCell();
                             
                                 if (part is ReportSectionText text)
                                     frame.ShowEntire().Text(text.Text);
-                        
+                                
                                 if (part is ReportSectionMap map)
                                     frame.Element(x => MapElement(x, map));
-                        
+                                
                                 if (part is ReportSectionPhotos photos)
                                     frame.Element(x => PhotosElement(x, photos));
                             });
@@ -56,12 +57,12 @@ namespace QuestPDF.ReportSample.Layouts
                 return;
             }
 
-            container.ShowEntire().Stack(stack =>
+            container.ShowEntire().Column(column =>
             {
-                stack.Spacing(5);
+                column.Spacing(5);
                 
-                stack.Item().MaxWidth(250).AspectRatio(4 / 3f).Component<ImagePlaceholder>();
-                stack.Item().Text(model.Location.Format());
+                column.Item().MaxWidth(250).AspectRatio(4 / 3f).Component<ImagePlaceholder>();
+                column.Item().Text(model.Location.Format());
             });
         }
         
@@ -69,7 +70,7 @@ namespace QuestPDF.ReportSample.Layouts
         {
             if (model.PhotoCount == 0)
             {
-                container.Text("No photos", Typography.Normal);
+                container.Text("No photos").Style(Typography.Normal);
                 return;
             }
 

QuestPDF.ReportSample/Layouts/StandardReport.cs

@@ -39,28 +39,28 @@ namespace QuestPDF.ReportSample.Layouts
                     
                     page.Footer().AlignCenter().Text(text =>
                     {
-                        text.CurrentPageNumber();
+                        text.CurrentPageNumber().Format(x => x?.FormatAsRomanNumeral() ?? "-----");
                         text.Span(" / ");
-                        text.TotalPages();
+                        text.TotalPages().Format(x => x?.FormatAsRomanNumeral() ?? "-----");
                     });
                 });
         }
 
         private void ComposeHeader(IContainer container)
         {
-            container.Stack(stack =>
+            container.Column(column =>
             {
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
                     row.Spacing(50);
                     
-                    row.RelativeColumn().PaddingTop(-10).Text(Model.Title, Typography.Title);
-                    row.ConstantColumn(90).ExternalLink("https://www.questpdf.com").MaxHeight(30).Component<ImagePlaceholder>();
+                    row.RelativeItem().PaddingTop(-10).Text(Model.Title).Style(Typography.Title);
+                    row.ConstantItem(90).ExternalLink("https://www.questpdf.com").MaxHeight(30).Component<ImagePlaceholder>();
                 });
 
-                stack.Item().ShowOnce().PaddingVertical(15).Border(1f).BorderColor(Colors.Grey.Lighten1).ExtendHorizontal();
+                column.Item().ShowOnce().PaddingVertical(15).Border(1f).BorderColor(Colors.Grey.Lighten1).ExtendHorizontal();
                 
-                stack.Item().ShowOnce().Grid(grid =>
+                column.Item().ShowOnce().Grid(grid =>
                 {
                     grid.Columns(2);
                     grid.Spacing(5);
@@ -69,7 +69,7 @@ namespace QuestPDF.ReportSample.Layouts
                     {
                         grid.Item().Text(text =>
                         {
-                            text.Span($"{field.Label}: ", TextStyle.Default.SemiBold());
+                            text.Span($"{field.Label}: ").SemiBold();
                             text.Span(field.Value);
                         });
                     }
@@ -79,22 +79,22 @@ namespace QuestPDF.ReportSample.Layouts
 
         void ComposeContent(IContainer container)
         {
-            container.PaddingVertical(20).Stack(stack =>
+            container.PaddingVertical(20).Column(column =>
             {
-                stack.Spacing(20);
-
-                stack.Item().Component(new TableOfContentsTemplate(Model.Sections));
+                column.Spacing(20);
                 
-                stack.Item().PageBreak();
+                column.Item().Component(new TableOfContentsTemplate(Model.Sections));
+                
+                column.Item().PageBreak();
                 
                 foreach (var section in Model.Sections)
-                    stack.Item().Location(section.Title).Component(new SectionTemplate(section));
-
-                stack.Item().PageBreak();
-                stack.Item().Location("Photos");
+                    column.Item().Location(section.Title).Component(new SectionTemplate(section));
+                
+                column.Item().PageBreak();
+                column.Item().Location("Photos");
                 
                 foreach (var photo in Model.Photos)
-                    stack.Item().Component(new PhotoTemplate(photo));
+                    column.Item().Component(new PhotoTemplate(photo));
             });
         }
     }

QuestPDF.ReportSample/Layouts/TableOfContentsTemplate.cs

@@ -1,5 +1,7 @@
 using System.Collections.Generic;
+using System.Drawing;
 using QuestPDF.Fluent;
+using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.ReportSample.Layouts
@@ -19,18 +21,19 @@ namespace QuestPDF.ReportSample.Layouts
                 .Decoration(decoration =>
                 {
                     decoration
-                        .Header()
+                        .Before()
                         .PaddingBottom(5)
-                        .Text("Table of contents", Typography.Headline);
+                        .Text("Table of contents")
+                        .Style(Typography.Headline);
 
-                    decoration.Content().Stack(stack =>
+                    decoration.Content().Column(column =>
                     {
-                        stack.Spacing(5);
+                        column.Spacing(5);
                         
                         for (var i = 0; i < Sections.Count; i++)
-                            stack.Item().Element(c => DrawLink(c, i+1, Sections[i].Title));
+                            column.Item().Element(c => DrawLink(c, i+1, Sections[i].Title));
 
-                        stack.Item().Element(c => DrawLink(c, Sections.Count+1, "Photos"));
+                        column.Item().Element(c => DrawLink(c, Sections.Count+1, "Photos"));
                     });
                 });
         }
@@ -41,9 +44,20 @@ namespace QuestPDF.ReportSample.Layouts
                 .InternalLink(locationName)
                 .Row(row =>
                 {
-                    row.ConstantColumn(25).Text($"{number}.");
-                    row.RelativeColumn().Text(locationName);
-                    row.ConstantColumn(150).AlignRight().Text(text => text.PageNumberOfLocation(locationName));
+                    row.ConstantItem(25).Text($"{number}.");
+                    row.RelativeItem().Text(locationName);
+                    row.ConstantItem(150).AlignRight().Text(text =>
+                    {
+                        text.BeginPageNumberOfSection(locationName);
+                        text.Span(" - ");
+                        text.EndPageNumberOfSection(locationName);
+
+                        var lengthStyle = TextStyle.Default.Color(Colors.Grey.Medium);
+                        
+                        text.Span(" (").Style(lengthStyle);
+                        text.TotalPagesWithinSection(locationName).Style(lengthStyle).Format(x => x == 1 ? "1 page long" : $"{x} pages long");
+                        text.Span(")").Style(lengthStyle);
+                    });
                 });
         }
     }

QuestPDF.ReportSample/PerformanceTests.cs

@@ -11,6 +11,7 @@ using NUnit.Framework;
 using QuestPDF.Drawing;
 using QuestPDF.Drawing.Proxy;
 using QuestPDF.Elements;
+using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
 using QuestPDF.ReportSample.Layouts;
 
@@ -55,7 +56,7 @@ namespace QuestPDF.ReportSample
             var sw = new Stopwatch();
             sw.Start();
 
-            Content.HandleVisitor(x =>
+            Content.VisitChildren(x =>
             {
                 if (x is ICacheable)
                     x.CreateProxy(y => new CacheProxy(y));

QuestPDF.ReportSample/Tests.cs

@@ -24,6 +24,8 @@ namespace QuestPDF.ReportSample
         [Test] 
         public void GenerateAndShowPdf()
         {
+            //ImagePlaceholder.Solid = true;
+        
             var path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"test_result.pdf");
             Report.GeneratePdf(path);
             Process.Start("explorer.exe", path);

QuestPDF.UnitTests/BackgroundTests.cs

@@ -21,7 +21,7 @@ namespace QuestPDF.UnitTests
                     Color = Colors.Red.Medium
                 })
                 .DrawElement(new Size(400, 300))
-                .ExpectCanvasDrawFilledRectangle(new Position(0, 0), new Size(400, 300), Colors.Red.Medium)
+                .ExpectCanvasDrawRectangle(new Position(0, 0), new Size(400, 300), Colors.Red.Medium)
                 .CheckDrawResult();
         }
         
@@ -35,7 +35,7 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .DrawElement(new Size(400, 300))
-                .ExpectCanvasDrawFilledRectangle(new Position(0, 0), new Size(400, 300), Colors.Red.Medium)
+                .ExpectCanvasDrawRectangle(new Position(0, 0), new Size(400, 300), Colors.Red.Medium)
                 .ExpectChildDraw(new Size(400, 300))
                 .CheckDrawResult();
         }

QuestPDF.UnitTests/BorderTests.cs

@@ -1,11 +1,9 @@
-using System.Drawing;
-using NUnit.Framework;
+using NUnit.Framework;
 using QuestPDF.Drawing;
 using QuestPDF.Elements;
 using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
-using Size = QuestPDF.Infrastructure.Size;
 
 namespace QuestPDF.UnitTests
 {
@@ -34,29 +32,7 @@ namespace QuestPDF.UnitTests
         }
         
         [Test]
-        public void Draw_SameWidths_Optimized()
-        {
-            TestPlan
-                .For(x => new Border
-                {
-                    Top = 10,
-                    Right = 10,
-                    Bottom = 10,
-                    Left = 10,
-                    
-                    Color = Colors.Red.Medium,
-                    
-                    Child = x.CreateChild()
-                })
-                .DrawElement(new Size(400, 300))
-                .ExpectChildDraw(new Size(400, 300))
-                .ExpectCanvasDrawStrokedRectangle(new Size(400, 300), Colors.Red.Medium, 10)
-                .ExpectChildDraw(new Size(400, 300))
-                .CheckDrawResult();
-        }
-        
-        [Test]
-        public void Draw_VariousWidths()
+        public void Draw_HorizontalRight_VerticalTop()
         {
             TestPlan
                 .For(x => new Border
@@ -72,10 +48,10 @@ namespace QuestPDF.UnitTests
                 })
                 .DrawElement(new Size(400, 300))
                 .ExpectChildDraw(new Size(400, 300))
-                .ExpectCanvasDrawFilledRectangle(new Position(-20, -5), new Size(430, 10), Colors.Red.Medium) // top
-                .ExpectCanvasDrawFilledRectangle(new Position(-20, -5), new Size(40, 320), Colors.Red.Medium) // left
-                .ExpectCanvasDrawFilledRectangle(new Position(-20, 285), new Size(430, 30), Colors.Red.Medium) // bottom
-                .ExpectCanvasDrawFilledRectangle(new Position(390, -5), new Size(20, 320), Colors.Red.Medium) // right
+                .ExpectCanvasDrawRectangle(new Position(-20, -5), new Size(430, 10), Colors.Red.Medium) // top
+                .ExpectCanvasDrawRectangle(new Position(-20, -5), new Size(40, 320), Colors.Red.Medium) // left
+                .ExpectCanvasDrawRectangle(new Position(-20, 285), new Size(430, 30), Colors.Red.Medium) // bottom
+                .ExpectCanvasDrawRectangle(new Position(390, -5), new Size(20, 320), Colors.Red.Medium) // right
                 .ExpectChildDraw(new Size(400, 300))
                 .CheckDrawResult();
         }

QuestPDF.UnitTests/BoxTests.cs

@@ -10,13 +10,13 @@ namespace QuestPDF.UnitTests
     public class BoxTests
     {
         [Test]
-        public void Measure() => SimpleContainerTests.Measure<Box>();
+        public void Measure() => SimpleContainerTests.Measure<MinimalBox>();
         
         [Test]
         public void Draw_Wrap()
         {
             TestPlan
-                .For(x => new Box
+                .For(x => new MinimalBox
                 {
                     Child = x.CreateChild()
                 })
@@ -29,7 +29,7 @@ namespace QuestPDF.UnitTests
         public void Measure_PartialRender()
         {
             TestPlan
-                .For(x => new Box
+                .For(x => new MinimalBox
                 {
                     Child = x.CreateChild()
                 })
@@ -43,7 +43,7 @@ namespace QuestPDF.UnitTests
         public void Measure_FullRender()
         {
             TestPlan
-                .For(x => new Box
+                .For(x => new MinimalBox
                 {
                     Child = x.CreateChild()
                 })

QuestPDF.UnitTests/ColumnTests.cs

@@ -1,4 +1,5 @@
-using NUnit.Framework;
+using System.Linq;
+using NUnit.Framework;
 using QuestPDF.Drawing;
 using QuestPDF.Elements;
 using QuestPDF.Fluent;
@@ -8,19 +9,40 @@ using QuestPDF.UnitTests.TestEngine;
 namespace QuestPDF.UnitTests
 {
     [TestFixture]
-    public class StackTests
+    public class ColumnTests
     {
+        private Column CreateColumnWithTwoItems(TestPlan testPlan)
+        {
+            return new Column
+            {
+                Items =
+                {
+                    new ColumnItem
+                    {
+                        Child = testPlan.CreateChild("first")
+                    },
+                    new ColumnItem
+                    {
+                        Child = testPlan.CreateChild("second")
+                    }
+                }
+            };
+        }
+        
+        private Column CreateColumnWithTwoItemsWhereFirstIsFullyRendered(TestPlan testPlan)
+        {
+            var column = CreateColumnWithTwoItems(testPlan);
+            column.Items.First().IsRendered = true;
+            return column;
+        }
+        
         #region Measure
 
         [Test]
         public void Measure_ReturnsWrap_WhenFirstChildWraps()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .MeasureElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.Wrap())
                 .CheckMeasureResult(SpacePlan.Wrap());
@@ -30,11 +52,7 @@ namespace QuestPDF.UnitTests
         public void Measure_ReturnsPartialRender_WhenFirstChildReturnsPartialRender()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .MeasureElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.PartialRender(300, 200))
                 .CheckMeasureResult(SpacePlan.PartialRender(300, 200));
@@ -44,11 +62,7 @@ namespace QuestPDF.UnitTests
         public void Measure_ReturnsPartialRender_WhenSecondChildWraps()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .MeasureElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
                 .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.Wrap())
@@ -59,11 +73,7 @@ namespace QuestPDF.UnitTests
         public void Measure_ReturnsPartialRender_WhenSecondChildReturnsPartialRender()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .MeasureElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
                 .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.PartialRender(300, 150))
@@ -74,33 +84,13 @@ namespace QuestPDF.UnitTests
         public void Measure_ReturnsFullRender_WhenSecondChildReturnsFullRender()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .MeasureElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
                 .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.FullRender(100, 50))
                 .CheckMeasureResult(SpacePlan.FullRender(200, 150));
         }
-        
-        [Test]
-        public void Measure_UsesEmpty_WhenFirstChildIsRendered()
-        {
-            TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second"),
-                    
-                    IsFirstRendered = true
-                })
-                .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("second", new Size(400, 300), SpacePlan.FullRender(200, 300))
-                .CheckMeasureResult(SpacePlan.FullRender(200, 300));
-        }
-        
+
         #endregion
         
         #region Draw
@@ -109,11 +99,7 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildWraps()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .DrawElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.Wrap())
                 .CheckDrawResult();
@@ -123,14 +109,12 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildPartiallyRenders()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .DrawElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.PartialRender(200, 100))
+                .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw("first", new Size(400, 100))
+                .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult();
         }
         
@@ -138,15 +122,13 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildFullyRenders_AndSecondChildWraps()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .DrawElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
-                .ExpectChildDraw("first", new Size(400, 100))
                 .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.Wrap())
+                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildDraw("first", new Size(400, 100))
+                .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult();
         }
         
@@ -154,15 +136,13 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildFullyRenders_AndSecondChildPartiallyRenders()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .DrawElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
-                .ExpectChildDraw("first", new Size(400, 100))
                 .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.PartialRender(250, 150))
+                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildDraw("first", new Size(400, 100))
+                .ExpectCanvasTranslate(0, 0)
                 .ExpectCanvasTranslate(0, 100)
                 .ExpectChildDraw("second", new Size(400, 150))
                 .ExpectCanvasTranslate(0, -100)
@@ -173,15 +153,13 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildFullyRenders_AndSecondChildFullyRenders()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second")
-                })
+                .For(CreateColumnWithTwoItems)
                 .DrawElement(new Size(400, 300))
                 .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
-                .ExpectChildDraw("first", new Size(400, 100))
                 .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.FullRender(250, 150))
+                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildDraw("first", new Size(400, 100))
+                .ExpectCanvasTranslate(0, 0)
                 .ExpectCanvasTranslate(0, 100)
                 .ExpectChildDraw("second", new Size(400, 150))
                 .ExpectCanvasTranslate(0, -100)
@@ -192,19 +170,13 @@ namespace QuestPDF.UnitTests
         public void Draw_UsesEmpty_WhenFirstChildIsRendered()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second"),
-                    
-                    IsFirstRendered = true
-                })
+                .For(CreateColumnWithTwoItemsWhereFirstIsFullyRendered)
                 .DrawElement(new Size(400, 300))
                 .ExpectChildMeasure("second", new Size(400, 300), SpacePlan.PartialRender(200, 300))
                 .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw("second", new Size(400, 300))
                 .ExpectCanvasTranslate(0, 0)
-                .CheckState<BinaryStack>(x => x.IsFirstRendered)
+                .CheckState<Column>(x => x.Items.First().IsRendered)
                 .CheckDrawResult();
         }
         
@@ -212,97 +184,14 @@ namespace QuestPDF.UnitTests
         public void Draw_TogglesFirstRenderedFlag_WhenSecondFullyRenders()
         {
             TestPlan
-                .For(x => new BinaryStack
-                {
-                    First = x.CreateChild("first"),
-                    Second = x.CreateChild("second"),
-                    
-                    IsFirstRendered = true
-                })
+                .For(CreateColumnWithTwoItemsWhereFirstIsFullyRendered)
                 .DrawElement(new Size(400, 300))
                 .ExpectChildMeasure("second", new Size(400, 300), SpacePlan.FullRender(200, 300))
                 .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw("second", new Size(400, 300))
                 .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult()
-                .CheckState<BinaryStack>(x => !x.IsFirstRendered);
-        }
-        
-        #endregion
-        
-        #region Structure
-        
-        [Test]
-        public void Structure_Simple()
-        { 
-            // arrange
-            var childA = TestPlan.CreateUniqueElement();
-            var childB = TestPlan.CreateUniqueElement();
-            var childC = TestPlan.CreateUniqueElement();
-            var childD = TestPlan.CreateUniqueElement();
-            var childE = TestPlan.CreateUniqueElement();
-
-            const int spacing = 20;
-            
-            // act
-            var structure = new Container();
-            
-            structure.Stack(stack =>
-            {
-                stack.Spacing(spacing);
-                
-                stack.Item().Element(childA);
-                stack.Item().Element(childB);
-                stack.Item().Element(childC);
-                stack.Item().Element(childD);
-                stack.Item().Element(childE);
-            });
-            
-            // assert
-            var expected = new Padding
-            {
-                Bottom = -spacing,
-
-                Child = new BinaryStack
-                {
-                    First = new BinaryStack
-                    {
-                        First = new Padding
-                        {
-                            Bottom = spacing,
-                            Child = childA
-                        },
-                        Second = new Padding
-                        {
-                            Bottom = spacing,
-                            Child = childB
-                        }
-                    },
-                    Second = new BinaryStack
-                    {
-                        First = new Padding
-                        {
-                            Bottom = spacing,
-                            Child = childC
-                        },
-                        Second = new BinaryStack
-                        {
-                            First = new Padding
-                            {
-                                Bottom = spacing,
-                                Child = childD
-                            },
-                            Second = new Padding
-                            {
-                                Bottom = spacing,
-                                Child = childE
-                            }
-                        }
-                    }
-                }
-            };
-
-            TestPlan.CompareOperations(structure, expected);
+                .CheckState<Column>(x => !x.Items.First().IsRendered);
         }
         
         #endregion

QuestPDF.UnitTests/DecorationTests.cs

@@ -9,35 +9,27 @@ namespace QuestPDF.UnitTests
     [TestFixture]
     public class DecorationTests
     {
+        private Decoration CreateDecoration(TestPlan testPlan)
+        {
+            return new Decoration
+            {
+                Before = testPlan.CreateChild("before"),
+                Content = testPlan.CreateChild("content"),
+                After = testPlan.CreateChild("after"),
+            };
+        }
+        
         #region Measure
 
         [Test]
-        public void Measure_ReturnsWrap_WhenDecorationReturnsWrap()
+        public void Measure_ReturnsWrap_WhenBeforeReturnsWrap()
         {
             TestPlan
-                .For(x => new BinaryDecoration
-                {
-                    Type = DecorationType.Append,
-                    DecorationElement = x.CreateChild("decoration"),
-                    ContentElement = x.CreateChild("content")
-                })
+                .For(CreateDecoration)
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("decoration", new Size(400, 300), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.Wrap());
-        }
-        
-        [Test]
-        public void Measure_ReturnsWrap_WhenDecorationReturnsPartialRender()
-        {
-            TestPlan
-                .For(x => new BinaryDecoration
-                {
-                    Type = DecorationType.Append,
-                    DecorationElement = x.CreateChild("decoration"),
-                    ContentElement = x.CreateChild("content")
-                })
-                .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("decoration", new Size(400, 300), SpacePlan.PartialRender(300, 200))
+                .ExpectChildMeasure("before", new Size(400, 300), SpacePlan.Wrap())
+                .ExpectChildMeasure("after", new Size(400, 300), SpacePlan.FullRender(100, 50))
+                .ExpectChildMeasure("content", new Size(400, 250), SpacePlan.FullRender(100, 100))
                 .CheckMeasureResult(SpacePlan.Wrap());
         }
         
@@ -45,89 +37,100 @@ namespace QuestPDF.UnitTests
         public void Measure_ReturnsWrap_WhenContentReturnsWrap()
         {
             TestPlan
-                .For(x => new BinaryDecoration
-                {
-                    Type = DecorationType.Append,
-                    DecorationElement = x.CreateChild("decoration"),
-                    ContentElement = x.CreateChild("content")
-                })
+                .For(CreateDecoration)
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("decoration", new Size(400, 300), SpacePlan.FullRender(300, 100))
+                .ExpectChildMeasure("before", new Size(400, 300), SpacePlan.FullRender(100, 50))
+                .ExpectChildMeasure("after", new Size(400, 300), SpacePlan.FullRender(100, 50))
                 .ExpectChildMeasure("content", new Size(400, 200), SpacePlan.Wrap())
                 .CheckMeasureResult(SpacePlan.Wrap());
         }
         
         [Test]
-        public void Measure_ReturnsPartialRender_WhenContentReturnsPartialRender()
+        public void Measure_ReturnsWrap_WhenAfterReturnsWrap()
         {
             TestPlan
-                .For(x => new BinaryDecoration
-                {
-                    Type = DecorationType.Append,
-                    DecorationElement = x.CreateChild("decoration"),
-                    ContentElement = x.CreateChild("content")
-                })
+                .For(CreateDecoration)
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("decoration", new Size(400, 300), SpacePlan.FullRender(300, 100))
-                .ExpectChildMeasure("content", new Size(400, 200), SpacePlan.PartialRender(200, 150))
-                .CheckMeasureResult(SpacePlan.PartialRender(400, 250));
+                .ExpectChildMeasure("before", new Size(400, 300), SpacePlan.FullRender(100, 50))
+                .ExpectChildMeasure("after", new Size(400, 300), SpacePlan.Wrap())
+                .ExpectChildMeasure("content", new Size(400, 250), SpacePlan.FullRender(100, 100))
+                .CheckMeasureResult(SpacePlan.Wrap());
         }
         
         [Test]
-        public void Measure_ReturnsFullRender_WhenContentReturnsFullRender()
+        public void Measure_ReturnsWrap_WhenBeforeReturnsPartialRender()
         {
             TestPlan
-                .For(x => new BinaryDecoration
-                {
-                    Type = DecorationType.Append,
-                    DecorationElement = x.CreateChild("decoration"),
-                    ContentElement = x.CreateChild("content")
-                })
+                .For(CreateDecoration)
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("decoration", new Size(400, 300), SpacePlan.FullRender(300, 100))
-                .ExpectChildMeasure("content", new Size(400, 200), SpacePlan.FullRender(200, 150))
-                .CheckMeasureResult(SpacePlan.FullRender(400, 250));
+                .ExpectChildMeasure("before", new Size(400, 300), SpacePlan.PartialRender(100, 50))
+                .ExpectChildMeasure("after", new Size(400, 300), SpacePlan.FullRender(100, 50))
+                .ExpectChildMeasure("content", new Size(400, 250), SpacePlan.FullRender(100, 100))
+                .CheckMeasureResult(SpacePlan.Wrap());
         }
         
+        [Test]
+        public void Measure_ReturnsWrap_WhenAfterReturnsPartialRender()
+        {
+            TestPlan
+                .For(CreateDecoration)
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("before", new Size(400, 300), SpacePlan.FullRender(100, 50))
+                .ExpectChildMeasure("after", new Size(400, 300), SpacePlan.PartialRender(100, 50))
+                .ExpectChildMeasure("content", new Size(400, 250), SpacePlan.FullRender(100, 100))
+                .CheckMeasureResult(SpacePlan.Wrap());
+        }
+        
+        [Test]
+        public void Measure_ReturnsWrap_WhenContentReturnsPartialRender()
+        {
+            TestPlan
+                .For(CreateDecoration)
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("before", new Size(400, 300), SpacePlan.FullRender(100, 50))
+                .ExpectChildMeasure("after", new Size(400, 300), SpacePlan.FullRender(100, 50))
+                .ExpectChildMeasure("content", new Size(400, 200), SpacePlan.PartialRender(150, 100))
+                .CheckMeasureResult(SpacePlan.PartialRender(150, 200));
+        }
+        
+        [Test]
+        public void Measure_ReturnsWrap_WhenContentReturnsFullRender()
+        {
+            TestPlan
+                .For(CreateDecoration)
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("before", new Size(400, 300), SpacePlan.FullRender(100, 50))
+                .ExpectChildMeasure("after", new Size(400, 300), SpacePlan.FullRender(100, 50))
+                .ExpectChildMeasure("content", new Size(400, 200), SpacePlan.FullRender(150, 100))
+                .CheckMeasureResult(SpacePlan.FullRender(150, 200));
+        }
+
         #endregion
         
         #region Draw
         
-        [Test]
-        public void Draw_Prepend()
-        {
-            TestPlan
-                .For(x => new BinaryDecoration
-                {
-                    Type = DecorationType.Prepend,
-                    DecorationElement = x.CreateChild("decoration"),
-                    ContentElement = x.CreateChild("content")
-                })
-                .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("decoration", new Size(400, 300), SpacePlan.FullRender(300, 100))
-                .ExpectChildDraw("decoration", new Size(400, 100))
-                .ExpectCanvasTranslate(0, 100)
-                .ExpectChildDraw("content", new Size(400, 200))
-                .ExpectCanvasTranslate(0, -100)
-                .CheckDrawResult();
-        }
-        
         [Test]
         public void Draw_Append()
         {
             TestPlan
-                .For(x => new BinaryDecoration
-                {
-                    Type = DecorationType.Append,
-                    DecorationElement = x.CreateChild("decoration"),
-                    ContentElement = x.CreateChild("content")
-                })
+                .For(CreateDecoration)
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("decoration", new Size(400, 300), SpacePlan.FullRender(300, 100))
-                .ExpectChildDraw("content", new Size(400, 200))
-                .ExpectCanvasTranslate(0, 200)
-                .ExpectChildDraw("decoration", new Size(400, 100))
-                .ExpectCanvasTranslate(0, -200)
+                .ExpectChildMeasure("before", new Size(400, 300), SpacePlan.FullRender(200, 40))
+                .ExpectChildMeasure("after", new Size(400, 300), SpacePlan.FullRender(200, 60))
+                .ExpectChildMeasure("content", new Size(400, 200), SpacePlan.FullRender(300, 100))
+                
+                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildDraw("before", new Size(300, 40))
+                .ExpectCanvasTranslate(0, 0)
+                
+                .ExpectCanvasTranslate(0, 40)
+                .ExpectChildDraw("content", new Size(300, 100))
+                .ExpectCanvasTranslate(0, -40)
+                
+                .ExpectCanvasTranslate(0, 140)
+                .ExpectChildDraw("after", new Size(300, 60))
+                .ExpectCanvasTranslate(0, -140)
+
                 .CheckDrawResult();
         }
 

QuestPDF.UnitTests/ExternalLinkTests.cs

@@ -8,7 +8,7 @@ namespace QuestPDF.UnitTests
     public class ExternalLinkTests
     {
         [Test]
-        public void Measure() => SimpleContainerTests.Measure<ExternalLink>();
+        public void Measure() => SimpleContainerTests.Measure<Hyperlink>();
         
         // TODO: consider tests for the Draw method
     }

QuestPDF.UnitTests/FontStyleSetTests.cs

@@ -0,0 +1,146 @@
+using FluentAssertions;
+using NUnit.Framework;
+using QuestPDF.Drawing;
+using SkiaSharp;
+using static SkiaSharp.SKFontStyleSlant;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class FontStyleSetTests
+    {
+        private void ExpectComparisonOrder(SKFontStyle target, SKFontStyle[] styles)
+        {
+            for (var i = 0; i < styles.Length - 1; i++)
+            {
+                var currentStyle = styles[i];
+                var nextStyle = styles[i + 1];
+                
+                FontStyleSet.IsBetterMatch(target, currentStyle, nextStyle).Should().BeTrue();
+                FontStyleSet.IsBetterMatch(target, nextStyle, currentStyle).Should().BeFalse();
+            }
+        }
+
+        [Test]
+        public void FontStyleSet_IsBetterMatch_CondensedWidth()
+        {
+            var styles = new[]
+            {
+                new SKFontStyle(500, 5, Upright),
+                new SKFontStyle(500, 4, Upright),
+                new SKFontStyle(500, 3, Upright),
+                new SKFontStyle(500, 6, Upright)
+            };
+            
+            ExpectComparisonOrder(new SKFontStyle(500, 5, Upright), styles);
+        }
+
+        [Test]
+        public void FontStyleSet_IsBetterMatch_ExpandedWidth()
+        {
+            var styles = new[]
+            {
+                new SKFontStyle(500, 6, Upright),
+                new SKFontStyle(500, 7, Upright),
+                new SKFontStyle(500, 8, Upright),
+                new SKFontStyle(500, 5, Upright)
+            };
+            
+            ExpectComparisonOrder(new SKFontStyle(500, 6, Upright), styles);
+        }
+
+        [Test]
+        public void FontStyleSet_IsBetterMatch_ItalicSlant()
+        {
+            var styles = new[]
+            {
+                new SKFontStyle(500, 5, Italic),
+                new SKFontStyle(500, 5, Oblique),
+                new SKFontStyle(500, 5, Upright)
+            };
+        
+            ExpectComparisonOrder(new SKFontStyle(500, 5, Italic), styles);
+        }
+
+        [Test]
+        public void FontStyleSet_IsBetterMatch_ObliqueSlant()
+        {
+            var styles = new[]
+            {
+                new SKFontStyle(500, 5, Oblique),
+                new SKFontStyle(500, 5, Italic),
+                new SKFontStyle(500, 5, Upright)
+            };
+        
+            ExpectComparisonOrder(new SKFontStyle(500, 5, Oblique), styles);
+        }
+
+        [Test]
+        public void FontStyleSet_IsBetterMatch_UprightSlant()
+        {
+            var styles = new[]
+            {
+                new SKFontStyle(500, 5, Upright),
+                new SKFontStyle(500, 5, Oblique),
+                new SKFontStyle(500, 5, Italic)
+            };
+        
+            ExpectComparisonOrder(new SKFontStyle(500, 5, Upright), styles);
+        }
+
+        [Test]
+        public void FontStyleSet_IsBetterMatch_ThinWeight()
+        {
+            var styles = new[]
+            {
+                new SKFontStyle(300, 5, Upright),
+                new SKFontStyle(200, 5, Upright),
+                new SKFontStyle(100, 5, Upright),
+                new SKFontStyle(400, 5, Upright)
+            };
+        
+            ExpectComparisonOrder(new SKFontStyle(300, 5, Upright), styles);
+        }
+
+        [Test]
+        public void FontStyleSet_IsBetterMatch_RegularWeight()
+        {
+            var styles = new[]
+            {
+                new SKFontStyle(500, 5, Upright),
+                new SKFontStyle(300, 5, Upright),
+                new SKFontStyle(100, 5, Upright),
+                new SKFontStyle(600, 5, Upright)
+            };
+        
+            ExpectComparisonOrder(new SKFontStyle(400, 5, Upright), styles);
+        }
+
+        [Test]
+        public void FontStyleSet_IsBetterMatch_BoldWeight()
+        {
+            var styles = new[]
+            {
+                new SKFontStyle(600, 5, Upright),
+                new SKFontStyle(700, 5, Upright),
+                new SKFontStyle(800, 5, Upright),
+                new SKFontStyle(500, 5, Upright)
+            };
+        
+            ExpectComparisonOrder(new SKFontStyle(600, 5, Upright), styles);
+        }
+
+        [Test]
+        public void FontStyleSet_RespectsPriority()
+        {
+            var styles = new[]
+            {
+                new SKFontStyle(600, 5, Italic),
+                new SKFontStyle(600, 6, Upright),
+                new SKFontStyle(500, 6, Italic)
+            };
+        
+            ExpectComparisonOrder(new SKFontStyle(500, 5, Upright), styles);
+        }
+    }
+}

QuestPDF.UnitTests/GridTests.cs

@@ -39,26 +39,26 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Stack(stack =>
+            expected.Column(column =>
             {
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
-                    row.RelativeColumn(6).Element(childA);
-                    row.RelativeColumn(4).Element(childB);
-                    row.RelativeColumn(2);
+                    row.RelativeItem(6).Element(childA);
+                    row.RelativeItem(4).Element(childB);
+                    row.RelativeItem(2);
                 });
                 
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
-                    row.RelativeColumn(4).Element(childC);
-                    row.RelativeColumn(2).Element(childD);
-                    row.RelativeColumn(6);
+                    row.RelativeItem(4).Element(childC);
+                    row.RelativeItem(2).Element(childD);
+                    row.RelativeItem(6);
                 });
                 
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
-                    row.RelativeColumn(8).Element(childE);
-                    row.RelativeColumn(4);
+                    row.RelativeItem(8).Element(childE);
+                    row.RelativeItem(4);
                 });
             });
             
@@ -93,29 +93,29 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Stack(stack =>
+            expected.Column(column =>
             {
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
-                    row.RelativeColumn(1);
-                    row.RelativeColumn(6).Element(childA);
-                    row.RelativeColumn(4).Element(childB);
-                    row.RelativeColumn(1);
+                    row.RelativeItem(1);
+                    row.RelativeItem(6).Element(childA);
+                    row.RelativeItem(4).Element(childB);
+                    row.RelativeItem(1);
                 });
                 
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
-                    row.RelativeColumn(3);
-                    row.RelativeColumn(4).Element(childC);
-                    row.RelativeColumn(2).Element(childD);
-                    row.RelativeColumn(3);
+                    row.RelativeItem(3);
+                    row.RelativeItem(4).Element(childC);
+                    row.RelativeItem(2).Element(childD);
+                    row.RelativeItem(3);
                 });
                 
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
-                    row.RelativeColumn(2);
-                    row.RelativeColumn(8).Element(childE);
-                    row.RelativeColumn(2);
+                    row.RelativeItem(2);
+                    row.RelativeItem(8).Element(childE);
+                    row.RelativeItem(2);
                 });
             });
 
@@ -150,26 +150,26 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Stack(stack =>
+            expected.Column(column =>
             {
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
-                    row.RelativeColumn(2);
-                    row.RelativeColumn(6).Element(childA);
-                    row.RelativeColumn(4).Element(childB);
+                    row.RelativeItem(2);
+                    row.RelativeItem(6).Element(childA);
+                    row.RelativeItem(4).Element(childB);
                 });
                 
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
-                    row.RelativeColumn(6);
-                    row.RelativeColumn(4).Element(childC);
-                    row.RelativeColumn(2).Element(childD);
+                    row.RelativeItem(6);
+                    row.RelativeItem(4).Element(childC);
+                    row.RelativeItem(2).Element(childD);
                 });
                 
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
-                    row.RelativeColumn(4);
-                    row.RelativeColumn(8).Element(childE);
+                    row.RelativeItem(4);
+                    row.RelativeItem(8).Element(childE);
                 });
             });
             
@@ -210,36 +210,36 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Stack(stack =>
+            expected.Column(column =>
             {
-                stack.Spacing(20);
+                column.Spacing(20);
                 
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
                     row.Spacing(30);
                     
-                    row.RelativeColumn(3);
-                    row.RelativeColumn(5).Element(childA);
-                    row.RelativeColumn(5).Element(childB);
-                    row.RelativeColumn(3);
+                    row.RelativeItem(3);
+                    row.RelativeItem(5).Element(childA);
+                    row.RelativeItem(5).Element(childB);
+                    row.RelativeItem(3);
                 });
                 
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
                     row.Spacing(30);
                     
-                    row.RelativeColumn(3);
-                    row.RelativeColumn(10).Element(childC);
-                    row.RelativeColumn(3);
+                    row.RelativeItem(3);
+                    row.RelativeItem(10).Element(childC);
+                    row.RelativeItem(3);
                 });
                 
-                stack.Item().Row(row =>
+                column.Item().Row(row =>
                 {
                     row.Spacing(30);
                     
-                    row.RelativeColumn(2);
-                    row.RelativeColumn(12).Element(childD);
-                    row.RelativeColumn(2);
+                    row.RelativeItem(2);
+                    row.RelativeItem(12).Element(childD);
+                    row.RelativeItem(2);
                 });
             });
             

QuestPDF.UnitTests/InternalLinkTests.cs

@@ -8,7 +8,7 @@ namespace QuestPDF.UnitTests
     public class InternalLinkTests
     {
         [Test]
-        public void Measure() => SimpleContainerTests.Measure<InternalLink>();
+        public void Measure() => SimpleContainerTests.Measure<SectionLink>();
         
         // TODO: consider tests for the Draw method
     }

QuestPDF.UnitTests/InternalLocationTests.cs

@@ -8,7 +8,7 @@ namespace QuestPDF.UnitTests
     public class InternalLocationTests
     {
         [Test]
-        public void Measure() => SimpleContainerTests.Measure<InternalLink>();
+        public void Measure() => SimpleContainerTests.Measure<SectionLink>();
         
         // TODO: consider tests for the Draw method
     }

QuestPDF.UnitTests/RowTests.cs

@@ -1,267 +0,0 @@
-using NUnit.Framework;
-using QuestPDF.Drawing;
-using QuestPDF.Elements;
-using QuestPDF.Fluent;
-using QuestPDF.Infrastructure;
-using QuestPDF.UnitTests.TestEngine;
-
-namespace QuestPDF.UnitTests
-{
-    [TestFixture]
-    public class RowTests
-    {
-        #region Measure
-        
-        [Test]
-        public void Measure_ReturnsWrap_WhenLeftChildReturnsWrap()
-        {
-            TestPlan
-                .For(x => new BinaryRow
-                {
-                    Left = x.CreateChild("left"),
-                    Right = x.CreateChild("right")
-                })
-                .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("left", new Size(400, 300), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.Wrap());
-        }
-        
-        [Test]
-        public void Measure_ReturnsWrap_WhenRightChildReturnsWrap()
-        {
-            TestPlan
-                .For(x => new BinaryRow
-                {
-                    Left = x.CreateChild("left"),
-                    Right = x.CreateChild("right")
-                })
-                .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("left", new Size(400, 300), SpacePlan.FullRender(250, 150))
-                .ExpectChildMeasure("right", new Size(150, 300), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.Wrap());
-        }
-        
-        [Test]
-        public void Measure_ReturnsPartialRender_WhenLeftChildReturnsPartialRender()
-        {
-            TestPlan
-                .For(x => new BinaryRow
-                {
-                    Left = x.CreateChild("left"),
-                    Right = x.CreateChild("right")
-                })
-                .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("left", new Size(400, 300), SpacePlan.PartialRender(250, 150))
-                .ExpectChildMeasure("right", new Size(150, 300), SpacePlan.FullRender(100, 100))
-                .CheckMeasureResult(SpacePlan.PartialRender(350, 150));
-        }
-        
-        [Test]
-        public void Measure_ReturnsPartialRender_WhenRightChildReturnsPartialRender()
-        {
-            TestPlan
-                .For(x => new BinaryRow
-                {
-                    Left = x.CreateChild("left"),
-                    Right = x.CreateChild("right")
-                })
-                .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("left", new Size(400, 300), SpacePlan.FullRender(250, 150))
-                .ExpectChildMeasure("right", new Size(150, 300), SpacePlan.PartialRender(100, 100))
-                .CheckMeasureResult(SpacePlan.PartialRender(350, 150));
-        }
-        
-        [Test]
-        public void Measure_ReturnsFullRender_WhenBothChildrenReturnFullRender()
-        {
-            TestPlan
-                .For(x => new BinaryRow
-                {
-                    Left = x.CreateChild("left"),
-                    Right = x.CreateChild("right")
-                })
-                .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("left", new Size(400, 300), SpacePlan.FullRender(200, 150))
-                .ExpectChildMeasure("right", new Size(200, 300), SpacePlan.FullRender(100, 100))
-                .CheckMeasureResult(SpacePlan.FullRender(300, 150));
-        }
-        
-        #endregion
-
-        #region Draw
-
-        [Test]
-        public void Draw()
-        {
-            TestPlan
-                .For(x => new BinaryRow
-                {
-                    Left = x.CreateChild("left"),
-                    Right = x.CreateChild("right")
-                })
-                .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("left", new Size(400, 300), SpacePlan.FullRender(250, 150))
-                .ExpectChildDraw("left", new Size(250, 300))
-                .ExpectCanvasTranslate(250, 0)
-                .ExpectChildDraw("right", new Size(150, 300))
-                .ExpectCanvasTranslate(-250, 0)
-                .CheckDrawResult();
-        }
-
-        #endregion
-        
-        #region Structure
-        
-        [Test]
-        public void Structure_RelativeColumnsHandling()
-        { 
-            // arrange
-            var childA = TestPlan.CreateUniqueElement();
-            var childB = TestPlan.CreateUniqueElement();
-            var childC = TestPlan.CreateUniqueElement();
-            var childD = TestPlan.CreateUniqueElement();
-            var childE = TestPlan.CreateUniqueElement();
-
-            const int spacing = 25;
-            var availableSpace = new Size(1100, 400);
-            
-            // act
-            var value = new Container();
-
-            value.Row(row =>
-            {
-                row.Spacing(spacing);
-                
-                row.ConstantColumn(150).Element(childA);
-                row.ConstantColumn(250).Element(childB);
-                row.RelativeColumn(1).Element(childC);
-                row.RelativeColumn(2).Element(childD);
-                row.RelativeColumn(3).Element(childE);
-            });
-            
-            // assert
-            var expected = new Container();
-
-            expected.Row(row =>
-            {
-                row.Spacing(spacing);
-                
-                row.ConstantColumn(150).Element(childA);
-                row.ConstantColumn(250).Element(childB);
-                row.ConstantColumn(100).Element(childC);
-                row.ConstantColumn(200).Element(childD);
-                row.ConstantColumn(300).Element(childE);
-            });
-            
-            TestPlan.CompareOperations(value, expected, availableSpace);
-        }
-        
-        [Test]
-        public void Structure_Tree()
-        { 
-            // arrange
-            var childA = TestPlan.CreateUniqueElement();
-            var childB = TestPlan.CreateUniqueElement();
-            var childC = TestPlan.CreateUniqueElement();
-            var childD = TestPlan.CreateUniqueElement();
-            var childE = TestPlan.CreateUniqueElement();
-
-            const int spacing = 25;
-            var availableSpace = new Size(1200, 400);
-            
-            // act
-            var value = new Container();
-
-            value.Row(row =>
-            {
-                row.Spacing(spacing);
-                
-                row.ConstantColumn(150).Element(childA);
-                row.ConstantColumn(200).Element(childB);
-                row.ConstantColumn(250).Element(childC);
-                row.RelativeColumn(2).Element(childD);
-                row.RelativeColumn(3).Element(childE);
-            });
-            
-            // assert
-            var expected = new BinaryRow
-            {
-                Left = new BinaryRow
-                {
-                    Left = new BinaryRow
-                    {
-                        Left = new Constrained
-                        {
-                            MinWidth = 150,
-                            MaxWidth = 150,
-                            Child = childA
-                        },
-                        Right = new Constrained
-                        {
-                            MinWidth = 25,
-                            MaxWidth = 25
-                        }
-                    },
-                    Right = new BinaryRow
-                    {
-                        Left = new Constrained
-                        {
-                            MinWidth = 200,
-                            MaxWidth = 200,
-                            Child = childB
-                        },
-                        Right = new Constrained
-                        {
-                            MinWidth = 25,
-                            MaxWidth = 25
-                        }
-                    }
-                },
-                Right = new BinaryRow
-                {
-                    Left = new BinaryRow
-                    {
-                        Left = new Constrained
-                        {
-                            MinWidth = 250,
-                            MaxWidth = 250,
-                            Child = childC
-                        },
-                        Right = new Constrained
-                        {
-                            MinWidth = 25,
-                            MaxWidth = 25
-                        }
-                    },
-                    Right = new BinaryRow
-                    {
-                        Left = new Constrained
-                        {
-                            MinWidth = 200,
-                            MaxWidth = 200,
-                            Child = childD
-                        },
-                        Right = new BinaryRow
-                        {
-                            Left = new Constrained
-                            {
-                                MinWidth = 25,
-                                MaxWidth = 25
-                            },
-                            Right = new Constrained
-                            {
-                                MinWidth = 300,
-                                MaxWidth = 300,
-                                Child = childE
-                            }
-                        }
-                    }
-                }
-            };
-            
-            TestPlan.CompareOperations(value, expected, availableSpace);
-        }
-        
-        #endregion
-    }
-}

QuestPDF.UnitTests/TestEngine/MockCanvas.cs

@@ -11,20 +11,18 @@ namespace QuestPDF.UnitTests.TestEngine
         public Action<float, float> ScaleFunc { get; set; }
         public Action<SKImage, Position, Size> DrawImageFunc { get; set; }
         public Action<string, Position, TextStyle> DrawTextFunc { get; set; }
-        public Action<Position, Size, string> DrawFilledRectangleFunc { get; set; }
-        public Action<Size, string, float> DrawStrokedRectangleFunc { get; set; }
+        public Action<Position, Size, string> DrawRectFunc { get; set; }
 
         public void Translate(Position vector) => TranslateFunc(vector);
         public void Rotate(float angle) => RotateFunc(angle);
         public void Scale(float scaleX, float scaleY) => ScaleFunc(scaleX, scaleY);
 
-        public void DrawFilledRectangle(Position vector, Size size, string color) => DrawFilledRectangleFunc(vector, size, color);
-        public void DrawStrokedRectangle(Size size, string color, float width) => DrawStrokedRectangleFunc(size, color, width);
+        public void DrawRectangle(Position vector, Size size, string color) => DrawRectFunc(vector, size, color);
         public void DrawText(string text, Position position, TextStyle style) => DrawTextFunc(text, position, style);
         public void DrawImage(SKImage image, Position position, Size size) => DrawImageFunc(image, position, size);
-        
-        public void DrawExternalLink(string url, Size size) => throw new NotImplementedException();
-        public void DrawLocationLink(string locationName, Size size) => throw new NotImplementedException();
-        public void DrawLocation(string locationName) => throw new NotImplementedException();
+
+        public void DrawHyperlink(string url, Size size) => throw new NotImplementedException();
+        public void DrawSectionLink(string sectionName, Size size) => throw new NotImplementedException();
+        public void DrawSection(string sectionName) => throw new NotImplementedException();
     }
 }

QuestPDF.UnitTests/TestEngine/OperationRecordingCanvas.cs

@@ -14,13 +14,12 @@ namespace QuestPDF.UnitTests.TestEngine
         public void Rotate(float angle) => Operations.Add(new CanvasRotateOperation(angle));
         public void Scale(float scaleX, float scaleY) => Operations.Add(new CanvasScaleOperation(scaleX, scaleY));
 
-        public void DrawFilledRectangle(Position vector, Size size, string color) => Operations.Add(new CanvasDrawFilledRectangleOperation(vector, size, color));
-        public void DrawStrokedRectangle(Size size, string color, float width) => Operations.Add(new CanvasDrawStrokedRectangleOperation(size, color, width));
+        public void DrawRectangle(Position vector, Size size, string color) => Operations.Add(new CanvasDrawRectangleOperation(vector, size, color));
         public void DrawText(string text, Position position, TextStyle style) => Operations.Add(new CanvasDrawTextOperation(text, position, style));
         public void DrawImage(SKImage image, Position position, Size size) => Operations.Add(new CanvasDrawImageOperation(position, size));
         
-        public void DrawExternalLink(string url, Size size) => throw new NotImplementedException();
-        public void DrawLocationLink(string locationName, Size size) => throw new NotImplementedException();
-        public void DrawLocation(string locationName) => throw new NotImplementedException();
+        public void DrawHyperlink(string url, Size size) => throw new NotImplementedException();
+        public void DrawSectionLink(string sectionName, Size size) => throw new NotImplementedException();
+        public void DrawSection(string sectionName) => throw new NotImplementedException();
     }
 }

QuestPDF.UnitTests/TestEngine/Operations/CanvasDrawRectangleOperation.cs

@@ -2,13 +2,13 @@
 
 namespace QuestPDF.UnitTests.TestEngine.Operations
 {
-    internal class CanvasDrawFilledRectangleOperation : OperationBase
+    internal class CanvasDrawRectangleOperation : OperationBase
     {
         public Position Position { get; } 
         public Size Size { get; }
         public string Color { get; }
 
-        public CanvasDrawFilledRectangleOperation(Position position, Size size, string color)
+        public CanvasDrawRectangleOperation(Position position, Size size, string color)
         {
             Position = position;
             Size = size;

QuestPDF.UnitTests/TestEngine/Operations/CanvasDrawStrokedRectangleOperation.cs

@@ -1,18 +0,0 @@
-using QuestPDF.Infrastructure;
-
-namespace QuestPDF.UnitTests.TestEngine.Operations
-{
-    internal class CanvasDrawStrokedRectangleOperation : OperationBase
-    {
-        public Size Size { get; }
-        public string Color { get; }
-        public float Width { get; set; }
-        
-        public CanvasDrawStrokedRectangleOperation(Size size, string color, float width)
-        {
-            Size = size;
-            Color = color;
-            Width = width;
-        }
-    }
-}

QuestPDF.UnitTests/TestEngine/TestPlan.cs

@@ -70,27 +70,17 @@ namespace QuestPDF.UnitTests.TestEngine
                     Assert.AreEqual(expected.ScaleX, scaleX, "Scale X");
                     Assert.AreEqual(expected.ScaleY, scaleY, "Scale Y");
                 },
-                DrawFilledRectangleFunc = (position, size, color) =>
+                DrawRectFunc = (position, size, color) =>
                 {
-                    var expected = GetExpected<CanvasDrawFilledRectangleOperation>();
+                    var expected = GetExpected<CanvasDrawRectangleOperation>();
                     
-                    Assert.AreEqual(expected.Position.X, position.X, "Draw filled rectangle: X");
-                    Assert.AreEqual(expected.Position.Y, position.Y, "Draw filled rectangle: Y");
+                    Assert.AreEqual(expected.Position.X, position.X, "Draw rectangle: X");
+                    Assert.AreEqual(expected.Position.Y, position.Y, "Draw rectangle: Y");
                     
-                    Assert.AreEqual(expected.Size.Width, size.Width, "Draw filled rectangle: width");
-                    Assert.AreEqual(expected.Size.Height, size.Height, "Draw filled rectangle: height");
+                    Assert.AreEqual(expected.Size.Width, size.Width, "Draw rectangle: width");
+                    Assert.AreEqual(expected.Size.Height, size.Height, "Draw rectangle: height");
                     
-                    Assert.AreEqual(expected.Color, color, "Draw filled rectangle: color");
-                },
-                DrawStrokedRectangleFunc = (size, color, width) =>
-                {
-                    var expected = GetExpected<CanvasDrawStrokedRectangleOperation>();
-
-                    Assert.AreEqual(expected.Size.Width, size.Width, "Draw stroked rectangle: width");
-                    Assert.AreEqual(expected.Size.Height, size.Height, "Draw stroked rectangle: height");
-                    
-                    Assert.AreEqual(expected.Color, color, "Draw stroked rectangle: color");
-                    Assert.AreEqual(expected.Width, width, "Draw stroked rectangle: width");
+                    Assert.AreEqual(expected.Color, color, "Draw rectangle: color");
                 },
                 DrawTextFunc = (text, position, style) => 
                 {
@@ -102,7 +92,7 @@ namespace QuestPDF.UnitTests.TestEngine
                     Assert.AreEqual(expected.Position.Y, position.Y, "Draw text: Y");
                     
                     Assert.AreEqual(expected.Style.Color, style.Color, "Draw text: color");
-                    Assert.AreEqual(expected.Style.FontType, style.FontType, "Draw text: font");
+                    Assert.AreEqual(expected.Style.FontFamily, style.FontFamily, "Draw text: font");
                     Assert.AreEqual(expected.Style.Size, style.Size, "Draw text: size");
                 },
                 DrawImageFunc = (image, position, size) =>
@@ -206,14 +196,9 @@ namespace QuestPDF.UnitTests.TestEngine
             return AddOperation(new CanvasRotateOperation(angle));
         }
         
-        public TestPlan ExpectCanvasDrawFilledRectangle(Position position, Size size, string color)
+        public TestPlan ExpectCanvasDrawRectangle(Position position, Size size, string color)
         {
-            return AddOperation(new CanvasDrawFilledRectangleOperation(position, size, color));
-        }
-        
-        public TestPlan ExpectCanvasDrawStrokedRectangle(Size size, string color, float width)
-        {
-            return AddOperation(new CanvasDrawStrokedRectangleOperation(size, color, width));
+            return AddOperation(new CanvasDrawRectangleOperation(position, size, color));
         }
         
         public TestPlan ExpectCanvasDrawText(string text, Position position, TextStyle style)
@@ -228,7 +213,7 @@ namespace QuestPDF.UnitTests.TestEngine
         
         public TestPlan CheckMeasureResult(SpacePlan expected)
         {
-            Element.HandleVisitor(x => x?.Initialize(null, Canvas));
+            Element.VisitChildren(x => x?.Initialize(null, Canvas));
             
             var actual = Element.Measure(OperationInput);
             
@@ -243,7 +228,7 @@ namespace QuestPDF.UnitTests.TestEngine
         
         public TestPlan CheckDrawResult()
         {
-            Element.HandleVisitor(x => x?.Initialize(null, Canvas));
+            Element.VisitChildren(x => x?.Initialize(null, Canvas));
             Element.Draw(OperationInput);
             return this;
         }
@@ -286,10 +271,10 @@ namespace QuestPDF.UnitTests.TestEngine
             availableSpace ??= new Size(400, 300);
             
             var canvas = new FreeCanvas();
-            value.HandleVisitor(x => x.Initialize(null, canvas));
+            value.VisitChildren(x => x.Initialize(null, canvas));
             var valueMeasure = value.Measure(availableSpace.Value);
             
-            expected.HandleVisitor(x => x.Initialize(null, canvas));
+            expected.VisitChildren(x => x.Initialize(null, canvas));
             var expectedMeasure = expected.Measure(availableSpace.Value);
             
             valueMeasure.Should().BeEquivalentTo(expectedMeasure);
@@ -300,11 +285,11 @@ namespace QuestPDF.UnitTests.TestEngine
             availableSpace ??= new Size(400, 300);
             
             var valueCanvas = new OperationRecordingCanvas();
-            value.HandleVisitor(x => x.Initialize(null, valueCanvas));
+            value.VisitChildren(x => x.Initialize(null, valueCanvas));
             value.Draw(availableSpace.Value);
             
             var expectedCanvas = new OperationRecordingCanvas();
-            expected.HandleVisitor(x => x.Initialize(null, expectedCanvas));
+            expected.VisitChildren(x => x.Initialize(null, expectedCanvas));
             expected.Draw(availableSpace.Value);
             
             valueCanvas.Operations.Should().BeEquivalentTo(expectedCanvas.Operations);

QuestPDF.sln

@@ -8,6 +8,15 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuestPDF.UnitTests", "Quest
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuestPDF.Examples", "QuestPDF.Examples\QuestPDF.Examples.csproj", "{8BD0A2B4-2DC1-47BA-9724-C158320D9CAE}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuestPDF.Previewer", "QuestPDF.Previewer\QuestPDF.Previewer.csproj", "{D63255E7-7043-4AD4-A4C9-7ACFEDBE8225}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuestPDF.Previewer.Examples", "QuestPDF.Previewer.Examples\QuestPDF.Previewer.Examples.csproj", "{CA413A39-038F-4A9F-B56F-0E5413B6B158}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Configuration", "Configuration", "{73123649-216A-47B4-BFB2-DADF13FBE75D}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -30,5 +39,13 @@ Global
 		{8BD0A2B4-2DC1-47BA-9724-C158320D9CAE}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8BD0A2B4-2DC1-47BA-9724-C158320D9CAE}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8BD0A2B4-2DC1-47BA-9724-C158320D9CAE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D63255E7-7043-4AD4-A4C9-7ACFEDBE8225}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D63255E7-7043-4AD4-A4C9-7ACFEDBE8225}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D63255E7-7043-4AD4-A4C9-7ACFEDBE8225}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D63255E7-7043-4AD4-A4C9-7ACFEDBE8225}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CA413A39-038F-4A9F-B56F-0E5413B6B158}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CA413A39-038F-4A9F-B56F-0E5413B6B158}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CA413A39-038F-4A9F-B56F-0E5413B6B158}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CA413A39-038F-4A9F-B56F-0E5413B6B158}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

QuestPDF/Assembly.cs

@@ -1,6 +1,7 @@
 using System.Runtime.CompilerServices;
 
 [assembly: InternalsVisibleTo("DynamicProxyGenAssembly2")]
+[assembly: InternalsVisibleTo("QuestPDF.Previewer")]
 [assembly: InternalsVisibleTo("QuestPDF.UnitTests")]
 [assembly: InternalsVisibleTo("QuestPDF.Examples")]
 [assembly: InternalsVisibleTo("QuestPDF.ReportSample")]

QuestPDF/Drawing/DocumentContainer.cs

@@ -16,13 +16,13 @@ namespace QuestPDF.Drawing
             var container = new Container();
             
             container
-                .Stack(stack =>
+                .Column(column =>
                 {
                     Pages
                         .SelectMany(x => new List<Action>()
                         {
-                            () => stack.Item().PageBreak(),
-                            () => stack.Item().Component(x)
+                            () => column.Item().PageBreak(),
+                            () => column.Item().Component(x)
                         })
                         .Skip(1)
                         .ToList()

QuestPDF/Drawing/DocumentGenerator.cs

@@ -7,6 +7,8 @@ using QuestPDF.Drawing.Proxy;
 using QuestPDF.Elements;
 using QuestPDF.Elements.Text;
 using QuestPDF.Elements.Text.Items;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Drawing
@@ -15,6 +17,8 @@ namespace QuestPDF.Drawing
     {
         internal static void GeneratePdf(Stream stream, IDocument document)
         {
+            CheckIfStreamIsCompatible(stream);
+            
             var metadata = document.GetMetadata();
             var canvas = new PdfCanvas(stream, metadata);
             RenderDocument(canvas, document);
@@ -22,10 +26,21 @@ namespace QuestPDF.Drawing
         
         internal static void GenerateXps(Stream stream, IDocument document)
         {
+            CheckIfStreamIsCompatible(stream);
+            
             var metadata = document.GetMetadata();
             var canvas = new XpsCanvas(stream, metadata);
             RenderDocument(canvas, document);
         }
+
+        private static void CheckIfStreamIsCompatible(Stream stream)
+        {
+            if (!stream.CanWrite)
+                throw new ArgumentException("The library requires a Stream object with the 'write' capability available (the CanWrite flag). Please consider using the MemoryStream class.");
+            
+            if (!stream.CanSeek)
+                throw new ArgumentException("The library requires a Stream object with the 'seek' capability available (the CanSeek flag). Please consider using the MemoryStream class.");
+        }
         
         internal static ICollection<byte[]> GenerateImages(IDocument document)
         {
@@ -36,12 +51,13 @@ namespace QuestPDF.Drawing
             return canvas.Images;
         }
 
-        private static void RenderDocument<TCanvas>(TCanvas canvas, IDocument document)
+        internal static void RenderDocument<TCanvas>(TCanvas canvas, IDocument document)
             where TCanvas : ICanvas, IRenderingCanvas
         {
             var container = new DocumentContainer();
             document.Compose(container);
             var content = container.Compose();
+            ApplyDefaultTextStyle(content, TextStyle.LibraryDefault);
             
             var metadata = document.GetMetadata();
             var pageContext = new PageContext();
@@ -58,8 +74,8 @@ namespace QuestPDF.Drawing
         internal static void RenderPass<TCanvas>(PageContext pageContext, TCanvas canvas, Container content, DocumentMetadata documentMetadata, DebuggingState? debuggingState)
             where TCanvas : ICanvas, IRenderingCanvas
         {
-            content.HandleVisitor(x => x?.Initialize(pageContext, canvas));
-            content.HandleVisitor(x => (x as IStateResettable)?.ResetState());
+            content.VisitChildren(x => x?.Initialize(pageContext, canvas));
+            content.VisitChildren(x => (x as IStateResettable)?.ResetState());
             
             canvas.BeginDocument();
 
@@ -122,7 +138,7 @@ namespace QuestPDF.Drawing
 
         private static void ApplyCaching(Container content)
         {
-            content.HandleVisitor(x =>
+            content.VisitChildren(x =>
             {
                 if (x is ICacheable)
                     x.CreateProxy(y => new CacheProxy(y));
@@ -133,7 +149,7 @@ namespace QuestPDF.Drawing
         {
             var debuggingState = new DebuggingState();
 
-            content.HandleVisitor(x =>
+            content.VisitChildren(x =>
             {
                 x.CreateProxy(y => new DebuggingProxy(debuggingState, y));
             });
@@ -141,26 +157,38 @@ namespace QuestPDF.Drawing
             return debuggingState;
         }
 
-        internal static void ApplyDefaultTextStyle(this Element content, TextStyle documentDefaultTextStyle)
+        private static void ApplyDefaultTextStyle(this Element? content, TextStyle documentDefaultTextStyle)
         {
-            documentDefaultTextStyle.ApplyGlobalStyle(TextStyle.LibraryDefault);
+            if (content == null)
+                return;
             
-            content.HandleVisitor(element =>
+            if (content is TextBlock textBlock)
             {
-                var text = element as TextBlock;
-                
-                if (text == null)
-                    return;
-
-                foreach (var child in text.Children)
+                foreach (var textBlockItem in textBlock.Items)
                 {
-                    if (child is TextBlockSpan textSpan)
+                    if (textBlockItem is TextBlockSpan textSpan)
+                    {
                         textSpan.Style.ApplyGlobalStyle(documentDefaultTextStyle);
-
-                    if (child is TextBlockElement textElement)
+                    }
+                    else if (textBlockItem is TextBlockElement textElement)
+                    {
                         ApplyDefaultTextStyle(textElement.Element, documentDefaultTextStyle);
+                    }
                 }
-            });
+                
+                return;
+            }
+
+            var targetTextStyle = documentDefaultTextStyle;
+            
+            if (content is DefaultTextStyle defaultTextStyleElement)
+            {
+                defaultTextStyleElement.TextStyle.ApplyParentStyle(documentDefaultTextStyle);
+                targetTextStyle = defaultTextStyleElement.TextStyle;
+            }
+            
+            foreach (var child in content.GetChildren())
+                ApplyDefaultTextStyle(child, targetTextStyle);
         }
     }
 }

QuestPDF/Drawing/FontManager.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Concurrent;
 using System.IO;
+using System.Linq;
 using QuestPDF.Infrastructure;
 using SkiaSharp;
 
@@ -8,16 +9,41 @@ namespace QuestPDF.Drawing
 {
     public static class FontManager
     {
-        private static ConcurrentDictionary<string, SKTypeface> Typefaces = new ConcurrentDictionary<string, SKTypeface>();
-        private static ConcurrentDictionary<string, SKFontMetrics> FontMetrics = new ConcurrentDictionary<string, SKFontMetrics>();
-        private static ConcurrentDictionary<string, SKPaint> Paints = new ConcurrentDictionary<string, SKPaint>();
-        private static ConcurrentDictionary<string, SKPaint> ColorPaint = new ConcurrentDictionary<string, SKPaint>();
+        private static ConcurrentDictionary<string, FontStyleSet> StyleSets = new();
+        private static ConcurrentDictionary<object, SKFontMetrics> FontMetrics = new();
+        private static ConcurrentDictionary<object, SKPaint> Paints = new();
+        private static ConcurrentDictionary<string, SKPaint> ColorPaint = new();
 
+        private static void RegisterFontType(SKData fontData, string? customName = null)
+        {
+            foreach (var index in Enumerable.Range(0, 256))
+            {
+                var typeface = SKTypeface.FromData(fontData, index);
+                
+                if (typeface == null)
+                    break;
+                
+                var typefaceName = customName ?? typeface.FamilyName;
+
+                var fontStyleSet = StyleSets.GetOrAdd(typefaceName, _ => new FontStyleSet());
+                fontStyleSet.Add(typeface);
+            }
+        }
+
+        [Obsolete("Since version 2022.3, the FontManager class offers better font type matching support. Please use the RegisterFont(Stream stream) method.")]
         public static void RegisterFontType(string fontName, Stream stream)
         {
-            Typefaces.TryAdd(fontName, SKTypeface.FromStream(stream));
+            using var fontData = SKData.Create(stream);
+            RegisterFontType(fontData);
+            RegisterFontType(fontData, customName: fontName);
         }
-        
+
+        public static void RegisterFont(Stream stream)
+        {
+            using var fontData = SKData.Create(stream);
+            RegisterFontType(fontData);
+        }
+
         internal static SKPaint ColorToPaint(this string color)
         {
             return ColorPaint.GetOrAdd(color, Convert);
@@ -26,41 +52,53 @@ namespace QuestPDF.Drawing
             {
                 return new SKPaint
                 {
-                    Color = SKColor.Parse(color)
+                    Color = SKColor.Parse(color),
+                    IsAntialias = true
                 };
             }
         }
-        
+
         internal static SKPaint ToPaint(this TextStyle style)
         {
-            return Paints.GetOrAdd(style.Key, key => Convert(style));
-            
+            return Paints.GetOrAdd(style.PaintKey, key => Convert(style));
+
             static SKPaint Convert(TextStyle style)
             {
                 return new SKPaint
                 {
                     Color = SKColor.Parse(style.Color),
                     Typeface = GetTypeface(style),
-                    TextSize = (style.Size ?? 12),
-                    TextEncoding = SKTextEncoding.Utf32
+                    TextSize = style.Size ?? 12,
+                    IsAntialias = true,
                 };
             }
 
             static SKTypeface GetTypeface(TextStyle style)
             {
-                if (Typefaces.TryGetValue(style.FontType, out var result))
-                    return result;
-                
+                var weight = (SKFontStyleWeight)(style.FontWeight ?? FontWeight.Normal);
                 var slant = (style.IsItalic ?? false) ? SKFontStyleSlant.Italic : SKFontStyleSlant.Upright;
+
+                var fontStyle = new SKFontStyle(weight, SKFontStyleWidth.Normal, slant);
+
+                if (StyleSets.TryGetValue(style.FontFamily, out var fontStyleSet))
+                    return fontStyleSet.Match(fontStyle);
+
+                var fontFromDefaultSource = SKFontManager.Default.MatchFamily(style.FontFamily, fontStyle);
                 
-                return SKTypeface.FromFamilyName(style.FontType, (int)(style.FontWeight ?? FontWeight.Normal), (int)SKFontStyleWidth.Normal, slant) 
-                       ?? throw new ArgumentException($"The typeface {style.FontType} could not be found.");
+                if (fontFromDefaultSource != null)
+                    return fontFromDefaultSource;
+                
+                throw new ArgumentException(
+                    $"The typeface '{style.FontFamily}' could not be found. " +
+                    $"Please consider the following options: " +
+                    $"1) install the font on your operating system or execution environment. " +
+                    $"2) load a font file specifically for QuestPDF usage via the QuestPDF.Drawing.FontManager.RegisterFontType(Stream fileContentStream) static method.");
             }
         }
 
         internal static SKFontMetrics ToFontMetrics(this TextStyle style)
         {
-            return FontMetrics.GetOrAdd(style.Key, key => style.ToPaint().FontMetrics);
+            return FontMetrics.GetOrAdd(style.FontMetricsKey, key => style.ToPaint().FontMetrics);
         }
     }
 }

QuestPDF/Drawing/FontStyleSet.cs

@@ -0,0 +1,132 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Concurrent;
+using SkiaSharp;
+
+namespace QuestPDF.Drawing
+{
+    internal class FontStyleSet
+    {
+        private ConcurrentDictionary<SKFontStyle, SKTypeface> Styles { get; } = new();
+
+        public void Add(SKTypeface typeface)
+        {
+            var style = typeface.FontStyle;
+            Styles.AddOrUpdate(style, _ => typeface, (_, _) => typeface);
+        }
+
+        public SKTypeface? Match(SKFontStyle target)
+        {
+            SKFontStyle? bestStyle = null;
+            SKTypeface? bestTypeface = null;
+
+            foreach (var entry in Styles)
+            {
+                if (IsBetterMatch(target, entry.Key, bestStyle))
+                {
+                    bestStyle = entry.Key;
+                    bestTypeface = entry.Value;
+                }
+            }
+
+            return bestTypeface;
+        }
+
+        private static Dictionary<SKFontStyleSlant, List<SKFontStyleSlant>> SlantFallbacks = new()
+        {
+            { SKFontStyleSlant.Italic, new() { SKFontStyleSlant.Italic, SKFontStyleSlant.Oblique, SKFontStyleSlant.Upright } },
+            { SKFontStyleSlant.Oblique, new() { SKFontStyleSlant.Oblique, SKFontStyleSlant.Italic, SKFontStyleSlant.Upright } },
+            { SKFontStyleSlant.Upright, new() { SKFontStyleSlant.Upright, SKFontStyleSlant.Oblique, SKFontStyleSlant.Italic } },
+        };
+
+        // Checks whether style a is a better match for the target then style b. Uses the CSS font style matching algorithm
+        internal static bool IsBetterMatch(SKFontStyle? target, SKFontStyle? a, SKFontStyle? b)
+        {
+            // A font is better than no font
+            if (b == null) 
+                return true;
+            
+            if (a == null) 
+                return false;
+
+            // First check font width
+            // For normal and condensed widths prefer smaller widths
+            // For expanded widths prefer larger widths
+            if (target.Width <= (int)SKFontStyleWidth.Normal)
+            {
+                if (a.Width <= target.Width && b.Width > target.Width) 
+                    return true;
+                
+                if (a.Width > target.Width && b.Width <= target.Width) 
+                    return false;
+            }
+            else
+            {
+                if (a.Width >= target.Width && b.Width < target.Width) 
+                    return true;
+                
+                if (a.Width < target.Width && b.Width >= target.Width) 
+                    return false;
+            }
+
+            // Prefer closest match
+            var widthDifferenceA = Math.Abs(a.Width - target.Width);
+            var widthDifferenceB = Math.Abs(b.Width - target.Width);
+
+            if (widthDifferenceA < widthDifferenceB) 
+                return true;
+            
+            if (widthDifferenceB < widthDifferenceA) 
+                return false;
+
+            // Prefer closest slant based on provided fallback list
+            var slantFallback = SlantFallbacks[target.Slant];
+            var slantIndexA = slantFallback.IndexOf(a.Slant);
+            var slantIndexB = slantFallback.IndexOf(b.Slant);
+
+            if (slantIndexA < slantIndexB) 
+                return true;
+            
+            if (slantIndexB < slantIndexA) 
+                return false;
+
+            // Check weight last
+            // For thin (<400) weights, prefer thinner weights
+            // For regular (400-500) weights, prefer other regular weights, then use rule for thin or bold
+            // For bold (>500) weights, prefer thicker weights
+            // Behavior for values other than multiples of 100 is not given in the specification
+
+            if (target.Weight >= 400 && target.Weight <= 500)
+            {
+                if ((a.Weight >= 400 && a.Weight <= 500) && !(b.Weight >= 400 && b.Weight <= 500)) 
+                    return true;
+                
+                if (!(a.Weight >= 400 && a.Weight <= 500) && (b.Weight >= 400 && b.Weight <= 500)) 
+                    return false;
+            }
+
+            if (target.Weight < 450)
+            {
+                if (a.Weight <= target.Weight && b.Weight > target.Weight) 
+                    return true;
+                
+                if (a.Weight > target.Weight && b.Weight <= target.Weight)
+                    return false;
+            }
+            else
+            {
+                if (a.Weight >= target.Weight && b.Weight < target.Weight) 
+                    return true;
+                
+                if (a.Weight < target.Weight && b.Weight >= target.Weight) 
+                    return false;
+            }
+
+            // Prefer closest weight
+            var weightDifferenceA = Math.Abs(a.Weight - target.Weight);
+            var weightDifferenceB = Math.Abs(b.Weight - target.Weight);
+
+            return weightDifferenceA < weightDifferenceB;
+        }
+    }
+}

QuestPDF/Drawing/FreeCanvas.cs

@@ -36,12 +36,7 @@ namespace QuestPDF.Drawing
             
         }
 
-        public void DrawFilledRectangle(Position vector, Size size, string color)
-        {
-            
-        }
-        
-        public void DrawStrokedRectangle(Size size, string color, float width)
+        public void DrawRectangle(Position vector, Size size, string color)
         {
             
         }
@@ -56,17 +51,17 @@ namespace QuestPDF.Drawing
             
         }
 
-        public void DrawExternalLink(string url, Size size)
+        public void DrawHyperlink(string url, Size size)
         {
            
         }
 
-        public void DrawLocationLink(string locationName, Size size)
+        public void DrawSectionLink(string sectionName, Size size)
         {
             
         }
 
-        public void DrawLocation(string locationName)
+        public void DrawSection(string sectionName)
         {
             
         }

QuestPDF/Drawing/PdfCanvas.cs

@@ -1,5 +1,5 @@
 using System.IO;
-using QuestPDF.Infrastructure;
+using QuestPDF.Helpers;
 using SkiaSharp;
 
 namespace QuestPDF.Drawing

QuestPDF/Drawing/SkiaCache.cs

@@ -1,41 +0,0 @@
-using System.Collections.Concurrent;
-using SkiaSharp;
-
-namespace QuestPDF.Drawing
-{
-    internal class SkiaCache
-    {
-        private static ConcurrentDictionary<string, SKPaint> RectangleFillPaints = new ConcurrentDictionary<string, SKPaint>();
-        private static ConcurrentDictionary<string, SKPaint> RectangleStrokePaints = new ConcurrentDictionary<string, SKPaint>();
-
-        public static SKPaint GetRectangleFillPaint(string color)
-        {
-            return RectangleFillPaints.GetOrAdd(color, _ => Convert());
-
-            SKPaint Convert()
-            {
-                return new SKPaint
-                {
-                    Color = SKColor.Parse(color),
-                    Style = SKPaintStyle.Fill
-                };
-            }
-        }
-        
-        public static SKPaint GetRectangleStrokePaint(string color, float width)
-        {
-            var key = $"{color}|{width}";
-            return RectangleStrokePaints.GetOrAdd(key, _ => Convert());
-
-            SKPaint Convert()
-            {
-                return new SKPaint
-                {
-                    Color = SKColor.Parse(color),
-                    Style = SKPaintStyle.Stroke,
-                    StrokeWidth = width
-                };
-            }
-        }
-    }
-}

QuestPDF/Drawing/SkiaCanvasBase.cs

@@ -18,20 +18,14 @@ namespace QuestPDF.Drawing
             Canvas.Translate(vector.X, vector.Y);
         }
 
-        public void DrawFilledRectangle(Position vector, Size size, string color)
+        public void DrawRectangle(Position vector, Size size, string color)
         {
             if (size.Width < Size.Epsilon || size.Height < Size.Epsilon)
                 return;
 
-            var paint = SkiaCache.GetRectangleFillPaint(color);
+            var paint = color.ColorToPaint();
             Canvas.DrawRect(vector.X, vector.Y, size.Width, size.Height, paint);
         }
-        
-        public void DrawStrokedRectangle(Size size, string color, float width)
-        {
-            var paint = SkiaCache.GetRectangleStrokePaint(color, width);
-            Canvas.DrawRect(0, 0, size.Width, size.Height, paint);
-        }
 
         public void DrawText(string text, Position vector, TextStyle style)
         {
@@ -43,19 +37,19 @@ namespace QuestPDF.Drawing
             Canvas.DrawImage(image, new SKRect(vector.X, vector.Y, size.Width, size.Height));
         }
 
-        public void DrawExternalLink(string url, Size size)
+        public void DrawHyperlink(string url, Size size)
         {
             Canvas.DrawUrlAnnotation(new SKRect(0, 0, size.Width, size.Height), url);
         }
         
-        public void DrawLocationLink(string locationName, Size size)
+        public void DrawSectionLink(string sectionName, Size size)
         {
-            Canvas.DrawLinkDestinationAnnotation(new SKRect(0, 0, size.Width, size.Height), locationName);
+            Canvas.DrawLinkDestinationAnnotation(new SKRect(0, 0, size.Width, size.Height), sectionName);
         }
 
-        public void DrawLocation(string locationName)
+        public void DrawSection(string sectionName)
         {
-            Canvas.DrawNamedDestinationAnnotation(new SKPoint(0, 0), locationName);
+            Canvas.DrawNamedDestinationAnnotation(new SKPoint(0, 0), sectionName);
         }
 
         public void Rotate(float angle)

QuestPDF/Drawing/SkiaDocumentCanvasBase.cs

@@ -6,16 +6,16 @@ namespace QuestPDF.Drawing
 {
     internal class SkiaDocumentCanvasBase : SkiaCanvasBase
     {
-        private SKDocument Document { get; }
+        private SKDocument? Document { get; }
 
-        public SkiaDocumentCanvasBase(SKDocument document)
+        protected SkiaDocumentCanvasBase(SKDocument document)
         {
             Document = document;
         }
 
         ~SkiaDocumentCanvasBase()
         {
-            Document.Dispose();
+            Document?.Dispose();
         }
         
         public override void BeginDocument()
@@ -25,7 +25,7 @@ namespace QuestPDF.Drawing
 
         public override void EndDocument()
         {
-            Canvas.Dispose();
+            Canvas?.Dispose();
             
             Document.Close();
             Document.Dispose();

QuestPDF/Drawing/SpacePlan.cs

@@ -31,7 +31,7 @@ namespace QuestPDF.Drawing
             if (Type == SpacePlanType.Wrap)
                 return Type.ToString();
             
-            return $"{Type} (Width: {Width:N2}, Height: {Height:N2})";
+            return $"{Type} (Width: {Width:N3}, Height: {Height:N3})";
         }
 
         public static implicit operator Size(SpacePlan spacePlan)

QuestPDF/Drawing/XpsCanvas.cs

@@ -1,5 +1,5 @@
 using System.IO;
-using QuestPDF.Infrastructure;
+using QuestPDF.Helpers;
 using SkiaSharp;
 
 namespace QuestPDF.Drawing

QuestPDF/Elements/Background.cs

@@ -9,7 +9,7 @@ namespace QuestPDF.Elements
         
         internal override void Draw(Size availableSpace)
         {
-            Canvas.DrawFilledRectangle(Position.Zero, availableSpace, Color);
+            Canvas.DrawRectangle(Position.Zero, availableSpace, Color);
             base.Draw(availableSpace);
         }
     }

QuestPDF/Elements/Border.cs

@@ -1,4 +1,3 @@
-using System;
 using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
 
@@ -16,50 +15,31 @@ namespace QuestPDF.Elements
         internal override void Draw(Size availableSpace)
         {
             base.Draw(availableSpace);
-
-            if (HasEqualWidthOnAllSides())
-            {
-                Canvas.DrawStrokedRectangle(availableSpace, Color, Top);
-            }
-            else
-            {
-                DrawCustomRectangle(availableSpace);
-            }
-        }
-
-        private void DrawCustomRectangle(Size size)
-        {
-            Canvas.DrawFilledRectangle(
-                new Position(-Left / 2, -Top / 2),
-                new Size(size.Width + Left / 2 + Right / 2, Top),
+            
+            Canvas.DrawRectangle(
+                new Position(-Left/2, -Top/2), 
+                new Size(availableSpace.Width + Left/2 + Right/2, Top), 
                 Color);
-
-            Canvas.DrawFilledRectangle(
-                new Position(-Left / 2, -Top / 2),
-                new Size(Left, size.Height + Top / 2 + Bottom / 2),
+            
+            Canvas.DrawRectangle(
+                new Position(-Left/2, -Top/2), 
+                new Size(Left, availableSpace.Height + Top/2 + Bottom/2), 
                 Color);
-
-            Canvas.DrawFilledRectangle(
-                new Position(-Left / 2, size.Height - Bottom / 2),
-                new Size(size.Width + Left / 2 + Right / 2, Bottom),
+            
+            Canvas.DrawRectangle(
+                new Position(-Left/2, availableSpace.Height-Bottom/2), 
+                new Size(availableSpace.Width + Left/2 + Right/2, Bottom), 
                 Color);
-
-            Canvas.DrawFilledRectangle(
-                new Position(size.Width - Right / 2, -Top / 2),
-                new Size(Right, size.Height + Top / 2 + Bottom / 2),
+            
+            Canvas.DrawRectangle(
+                new Position(availableSpace.Width-Right/2, -Top/2), 
+                new Size(Right, availableSpace.Height + Top/2 + Bottom/2), 
                 Color);
         }
-        
-        private bool HasEqualWidthOnAllSides()
-        {
-            return IsClose(Top, Bottom) && 
-                   IsClose(Left, Right) &&
-                   IsClose(Top, Left);
-        }
 
-        private static bool IsClose(float x, float y)
+        public override string ToString()
         {
-            return Math.Abs(x - y) < Size.Epsilon;
+            return $"Border: Top({Top}) Right({Right}) Bottom({Bottom}) Left({Left}) Color({Color})";
         }
     }
 }

QuestPDF/Elements/Column.cs

@@ -0,0 +1,123 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using QuestPDF.Drawing;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class ColumnItem : Container
+    {
+        public bool IsRendered { get; set; }
+    }
+    
+    internal class ColumnItemRenderingCommand
+    {
+        public ColumnItem ColumnItem { get; set; }
+        public SpacePlan Measurement { get; set; }
+        public Size Size { get; set; }
+        public Position Offset { get; set; }
+    }
+    
+    internal class Column : Element, ICacheable, IStateResettable
+    {
+        internal List<ColumnItem> Items { get; } = new();
+        internal float Spacing { get; set; }
+
+        public void ResetState()
+        {
+            Items.ForEach(x => x.IsRendered = false);
+        }
+        
+        internal override IEnumerable<Element?> GetChildren()
+        {
+            return Items;
+        }
+        
+        internal override void CreateProxy(Func<Element?, Element?> create)
+        {
+            Items.ForEach(x => x.Child = create(x.Child));
+        }
+
+        internal override SpacePlan Measure(Size availableSpace)
+        {
+            if (!Items.Any())
+                return SpacePlan.FullRender(Size.Zero);
+            
+            var renderingCommands = PlanLayout(availableSpace);
+
+            if (!renderingCommands.Any())
+                return SpacePlan.Wrap();
+
+            var width = renderingCommands.Max(x => x.Size.Width);
+            var height = renderingCommands.Last().Offset.Y + renderingCommands.Last().Size.Height;
+            var size = new Size(width, height);
+            
+            if (width > availableSpace.Width + Size.Epsilon || height > availableSpace.Height + Size.Epsilon)
+                return SpacePlan.Wrap();
+            
+            var totalRenderedItems = Items.Count(x => x.IsRendered) + renderingCommands.Count(x => x.Measurement.Type == SpacePlanType.FullRender);
+            var willBeFullyRendered = totalRenderedItems == Items.Count;
+
+            return willBeFullyRendered
+                ? SpacePlan.FullRender(size)
+                : SpacePlan.PartialRender(size);
+        }
+
+        internal override void Draw(Size availableSpace)
+        {
+            var renderingCommands = PlanLayout(availableSpace);
+
+            foreach (var command in renderingCommands)
+            {
+                if (command.Measurement.Type == SpacePlanType.FullRender)
+                    command.ColumnItem.IsRendered = true;
+
+                var targetSize = new Size(availableSpace.Width, command.Size.Height);
+                
+                Canvas.Translate(command.Offset);
+                command.ColumnItem.Draw(targetSize);
+                Canvas.Translate(command.Offset.Reverse());
+            }
+            
+            if (Items.All(x => x.IsRendered))
+                ResetState();
+        }
+
+        private ICollection<ColumnItemRenderingCommand> PlanLayout(Size availableSpace)
+        {
+            var topOffset = 0f;
+            var commands = new List<ColumnItemRenderingCommand>();
+
+            foreach (var item in Items)
+            {
+                if (item.IsRendered)
+                    continue;
+
+                var itemSpace = new Size(availableSpace.Width, availableSpace.Height - topOffset);
+                var measurement = item.Measure(itemSpace);
+                
+                if (measurement.Type == SpacePlanType.Wrap)
+                    break;
+
+                commands.Add(new ColumnItemRenderingCommand
+                {
+                    ColumnItem = item,
+                    Size = measurement,
+                    Measurement = measurement,
+                    Offset = new Position(0, topOffset)
+                });
+                
+                if (measurement.Type == SpacePlanType.PartialRender)
+                    break;
+                
+                topOffset += measurement.Height + Spacing;
+            }
+
+            var targetWidth = commands.Select(x => x.Size.Width).DefaultIfEmpty(0).Max();
+            commands.ForEach(x => x.Size = new Size(targetWidth, x.Size.Height));
+            
+            return commands;
+        }
+    }
+}

QuestPDF/Elements/DebugArea.cs

@@ -27,10 +27,13 @@ namespace QuestPDF.Elements
                         .Layer()
                         .ShowIf(!string.IsNullOrWhiteSpace(Text))
                         .AlignCenter()
-                        .Box()
+                        .MinimalBox()
                         .Background(Colors.White)
                         .Padding(2)
-                        .Text(Text, TextStyle.Default.Color(Color).FontType(Fonts.Consolas).Size(8));
+                        .Text(Text)
+                        .FontColor(Color)
+                        .FontFamily(Fonts.Consolas)
+                        .FontSize(8);
                 });
         }
     }

QuestPDF/Elements/Decoration.cs

@@ -1,99 +1,112 @@
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using QuestPDF.Drawing;
 using QuestPDF.Fluent;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal enum DecorationType
+    internal class DecorationItemRenderingCommand
     {
-        Prepend,
-        Append
+        public Element Element { get; set; }
+        public SpacePlan Measurement { get; set; }
+        public Position Offset { get; set; }
     }
     
-    internal class BinaryDecoration : Element, ICacheable
+    internal class Decoration : Element, ICacheable
     {
-        public Element DecorationElement { get; set; } = Empty.Instance;
-        public Element ContentElement { get; set; } = Empty.Instance;
-        public DecorationType Type { get; set; }
+        internal Element Before { get; set; } = new Empty();
+        internal Element Content { get; set; } = new Empty();
+        internal Element After { get; set; } = new Empty();
 
-        internal override void HandleVisitor(Action<Element?> visit)
+        internal override IEnumerable<Element?> GetChildren()
         {
-            DecorationElement?.HandleVisitor(visit);
-            ContentElement?.HandleVisitor(visit);
-            
-            base.HandleVisitor(visit);
+            yield return Before;
+            yield return Content;
+            yield return After;
         }
-
-        internal override void CreateProxy(Func<Element, Element> create)
+        
+        internal override void CreateProxy(Func<Element?, Element?> create)
         {
-            DecorationElement = create(DecorationElement);
-            ContentElement = create(ContentElement);
+            Before = create(Before);
+            Content = create(Content);
+            After = create(After);
         }
 
         internal override SpacePlan Measure(Size availableSpace)
         {
-            var decorationMeasure = DecorationElement.Measure(availableSpace);
-            
-            if (decorationMeasure.Type == SpacePlanType.Wrap || decorationMeasure.Type == SpacePlanType.PartialRender)
+            var renderingCommands = PlanLayout(availableSpace).ToList();
+
+            if (renderingCommands.Any(x => x.Measurement.Type == SpacePlanType.Wrap))
                 return SpacePlan.Wrap();
 
-            var decorationSize = decorationMeasure;
-            var contentMeasure = ContentElement.Measure(new Size(availableSpace.Width, availableSpace.Height - decorationSize.Height));
+            var width = renderingCommands.Max(x => x.Measurement.Width);
+            var height = renderingCommands.Sum(x => x.Measurement.Height);
+            var size = new Size(width, height);
             
-            if (contentMeasure.Type == SpacePlanType.Wrap)
+            if (width > availableSpace.Width + Size.Epsilon || height > availableSpace.Height + Size.Epsilon)
                 return SpacePlan.Wrap();
+            
+            var willBeFullyRendered = renderingCommands.All(x => x.Measurement.Type == SpacePlanType.FullRender);
 
-            var contentSize = contentMeasure;
-            var resultSize = new Size(availableSpace.Width, decorationSize.Height + contentSize.Height);
-            
-            if (contentSize.Type == SpacePlanType.PartialRender)
-                return SpacePlan.PartialRender(resultSize);
-            
-            if (contentSize.Type == SpacePlanType.FullRender)
-                return SpacePlan.FullRender(resultSize);
-            
-            throw new NotSupportedException();
+            return willBeFullyRendered
+                ? SpacePlan.FullRender(size)
+                : SpacePlan.PartialRender(size);
         }
 
         internal override void Draw(Size availableSpace)
         {
-            var decorationSize = DecorationElement.Measure(availableSpace);
-            var contentSize = new Size(availableSpace.Width, availableSpace.Height - decorationSize.Height);
-
-            var translateHeight = Type == DecorationType.Prepend ? decorationSize.Height : contentSize.Height;
-            Action drawDecoration = () => DecorationElement?.Draw(new Size(availableSpace.Width, decorationSize.Height));
-            Action drawContent = () => ContentElement?.Draw(new Size (availableSpace.Width, contentSize.Height));
-
-            var first = Type == DecorationType.Prepend ? drawDecoration : drawContent;
-            var second = Type == DecorationType.Prepend ? drawContent : drawDecoration;
-
-            first();
-            Canvas.Translate(new Position(0, translateHeight));
-            second();
-            Canvas.Translate(new Position(0, -translateHeight));
-        }
-    }
-    
-    internal class Decoration : IComponent
-    {
-        public Element Header { get; set; } = Empty.Instance;
-        public Element Content { get; set; } = Empty.Instance;
-        public Element Footer { get; set; } = Empty.Instance;
-
-        public void Compose(IContainer container)
-        {
-            container.Element(new BinaryDecoration
+            var renderingCommands = PlanLayout(availableSpace).ToList();
+            var width = renderingCommands.Max(x => x.Measurement.Width);
+            
+            foreach (var command in renderingCommands)
             {
-                Type = DecorationType.Prepend,
-                DecorationElement = Header,
-                ContentElement = new BinaryDecoration
-                {
-                    Type = DecorationType.Append,
-                    ContentElement = Content,
-                    DecorationElement = Footer
-                }
-            });
+                var elementSize = new Size(width, command.Measurement.Height);
+                
+                Canvas.Translate(command.Offset);
+                command.Element.Draw(elementSize);
+                Canvas.Translate(command.Offset.Reverse());
+            }
+        }
+
+        private IEnumerable<DecorationItemRenderingCommand> PlanLayout(Size availableSpace)
+        {
+            SpacePlan GetDecorationMeasurement(Element element)
+            {
+                var measurement = element.Measure(availableSpace);
+                
+                return measurement.Type == SpacePlanType.FullRender 
+                    ? measurement 
+                    : SpacePlan.Wrap();
+            }
+            
+            var beforeMeasurement = GetDecorationMeasurement(Before);
+            var afterMeasurement = GetDecorationMeasurement(After);
+            
+            var contentSpace = new Size(availableSpace.Width, availableSpace.Height - beforeMeasurement.Height - afterMeasurement.Height);
+            var contentMeasurement = Content.Measure(contentSpace);
+
+            yield return new DecorationItemRenderingCommand
+            {
+                Element = Before,
+                Measurement = beforeMeasurement,
+                Offset = Position.Zero
+            };
+            
+            yield return new DecorationItemRenderingCommand
+            {
+                Element = Content,
+                Measurement = contentMeasurement,
+                Offset = new Position(0, beforeMeasurement.Height)
+            };
+
+            yield return new DecorationItemRenderingCommand
+            {
+                Element = After,
+                Measurement = afterMeasurement,
+                Offset = new Position(0, beforeMeasurement.Height + contentMeasurement.Height)
+            };
         }
     }
 }

QuestPDF/Elements/DefaultTextStyle.cs

@@ -0,0 +1,10 @@
+using QuestPDF.Drawing;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class DefaultTextStyle : ContainerElement
+    {
+        public TextStyle TextStyle { get; set; } = TextStyle.Default;
+    }
+}

QuestPDF/Elements/Grid.cs

@@ -27,12 +27,12 @@ namespace QuestPDF.Elements
         {
             ChildrenQueue = new Queue<GridElement>(Children);
             
-            container.Stack(stack =>
+            container.Column(column =>
             {
-                stack.Spacing(VerticalSpacing);
+                column.Spacing(VerticalSpacing);
                 
                 while (ChildrenQueue.Any())
-                    stack.Item().Row(BuildRow);
+                    column.Item().Row(BuildRow);
             });
         }
         
@@ -65,12 +65,12 @@ namespace QuestPDF.Elements
                 emptySpace /= 2;
             
             if (hasEmptySpace && Alignment != HorizontalAlignment.Left)
-                row.RelativeColumn(emptySpace);
+                row.RelativeItem(emptySpace);
                 
-            elements.ForEach(x => row.RelativeColumn(x.Columns).Element(x.Child));
+            elements.ForEach(x => row.RelativeItem(x.Columns).Element(x.Child));
 
             if (hasEmptySpace && Alignment != HorizontalAlignment.Right)
-                row.RelativeColumn(emptySpace);
+                row.RelativeItem(emptySpace);
         }
     }
 }

QuestPDF/Elements/Hyperlink.cs

@@ -3,7 +3,7 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class ExternalLink : ContainerElement
+    internal class Hyperlink : ContainerElement
     {
         public string Url { get; set; } = "https://www.questpdf.com";
         
@@ -14,7 +14,7 @@ namespace QuestPDF.Elements
             if (targetSize.Type == SpacePlanType.Wrap)
                 return;
 
-            Canvas.DrawExternalLink(Url, targetSize);
+            Canvas.DrawHyperlink(Url, targetSize);
             base.Draw(availableSpace);
         }
     }

QuestPDF/Elements/Inlined.cs

@@ -8,15 +8,7 @@ namespace QuestPDF.Elements
 {
     internal class InlinedElement : Container
     {
-        public SpacePlan? MeasureCache { get; set; }
 
-        internal override SpacePlan Measure(Size availableSpace)
-        {
-            // TODO: once element caching proxy is introduces, this can be removed
-            
-            MeasureCache ??= Child.Measure(Size.Max);
-            return MeasureCache.Value;
-        }
     }
 
     internal enum InlinedAlignment
@@ -44,12 +36,11 @@ namespace QuestPDF.Elements
             ChildrenQueue = new Queue<InlinedElement>(Elements);
         }
         
-        internal override void HandleVisitor(Action<Element?> visit)
+        internal override IEnumerable<Element?> GetChildren()
         {
-            Elements.ForEach(x => x.HandleVisitor(visit));
-            base.HandleVisitor(visit);
+            return Elements;
         }
-
+        
         internal override SpacePlan Measure(Size availableSpace)
         {
             if (!ChildrenQueue.Any())
@@ -113,8 +104,11 @@ namespace QuestPDF.Elements
                 
                 foreach (var element in elements)
                 {
-                    var size = element.Measure(Size.Max);
+                    var size = (Size)element.Measure(Size.Max);
                     var baselineOffset = BaselineOffset(size, lineSize.Height);
+
+                    if (size.Height == 0)
+                        size = new Size(size.Width, lineSize.Height);
                     
                     Canvas.Translate(new Position(0, baselineOffset));
                     element.Draw(size);
@@ -133,48 +127,39 @@ namespace QuestPDF.Elements
                     if (elements.Count == 1)
                         return 0;
 
-                    if (ElementsAlignment == InlinedAlignment.Justify)
-                        return difference / (elements.Count - 1);
-                    
-                    if (ElementsAlignment == InlinedAlignment.SpaceAround)
-                        return difference / (elements.Count + 1);
-                    
-                    return HorizontalSpacing;
+                    return ElementsAlignment switch
+                    {
+                        InlinedAlignment.Justify => difference / (elements.Count - 1),
+                        InlinedAlignment.SpaceAround => difference / (elements.Count + 1),
+                        _ => HorizontalSpacing
+                    };
                 }
 
                 float AlignOffset()
                 {
-                    if (ElementsAlignment == InlinedAlignment.Left)
-                        return 0;
-                    
-                    if (ElementsAlignment == InlinedAlignment.Justify)
-                        return 0;
-                    
-                    if (ElementsAlignment == InlinedAlignment.SpaceAround)
-                        return elementOffset;
-
                     var difference = availableSpace.Width - lineSize.Width - (elements.Count - 1) * HorizontalSpacing;
-                    
-                    if (ElementsAlignment == InlinedAlignment.Center)
-                        return difference / 2;
 
-                    if (ElementsAlignment == InlinedAlignment.Right)
-                        return difference;
-
-                    return 0;
+                    return ElementsAlignment switch
+                    {
+                        InlinedAlignment.Left => 0,
+                        InlinedAlignment.Justify => 0,
+                        InlinedAlignment.SpaceAround => elementOffset,
+                        InlinedAlignment.Center => difference / 2,
+                        InlinedAlignment.Right => difference,
+                        _ => 0
+                    };
                 }
                 
                 float BaselineOffset(Size elementSize, float lineHeight)
                 {
-                    if (BaselineAlignment == VerticalAlignment.Top)
-                        return 0;
-
                     var difference = lineHeight - elementSize.Height;
-                    
-                    if (BaselineAlignment == VerticalAlignment.Middle)
-                        return difference / 2;
 
-                    return difference;
+                    return BaselineAlignment switch
+                    {
+                        VerticalAlignment.Top => 0,
+                        VerticalAlignment.Middle => difference / 2,
+                        _ => difference
+                    };
                 }
             }
         }
@@ -251,11 +236,12 @@ namespace QuestPDF.Elements
             float GetInitialAlignmentOffset()
             {
                 // this method makes sure that the spacing between elements is no lesser than configured
-                
-                if (ElementsAlignment == InlinedAlignment.SpaceAround)
-                    return HorizontalSpacing * 2;
 
-                return 0;
+                return ElementsAlignment switch
+                {
+                    InlinedAlignment.SpaceAround => HorizontalSpacing * 2,
+                    _ => 0
+                };
             }
         }
     }

QuestPDF/Elements/Layers.cs

@@ -15,12 +15,11 @@ namespace QuestPDF.Elements
     {
         public List<Layer> Children { get; set; } = new List<Layer>();
         
-        internal override void HandleVisitor(Action<Element?> visit)
+        internal override IEnumerable<Element?> GetChildren()
         {
-            Children.ForEach(x => x.HandleVisitor(visit));
-            base.HandleVisitor(visit);
+            return Children;
         }
-
+        
         internal override SpacePlan Measure(Size availableSpace)
         {
             return Children