Updated nuget details

Global text style

QuestPDF.Examples/BarCode.cs

@@ -0,0 +1,32 @@
+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

@@ -15,7 +15,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 300)
-                .FileName()
                 .Render(container =>
                 {
                     container

QuestPDF.Examples/ContinousPage.cs

@@ -0,0 +1,46 @@
+using System.Diagnostics;
+using System.Linq;
+using NUnit.Framework;
+using QuestPDF.Drawing;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class ContinuousPageDocument : IDocument
+    {
+        public DocumentMetadata GetMetadata() => DocumentMetadata.Default;
+
+        public void Compose(IDocumentContainer container)
+        {
+            container.Page(page =>
+            {
+                page.Margin(20);
+                page.ContinuousSize(150);
+                
+                page.Header().Text("Header");
+                
+                page.Content().PaddingVertical(10).Border(1).Padding(10).Stack(stack =>
+                {
+                    foreach (var index in Enumerable.Range(1, 100))
+                        stack.Item().Text($"Line {index}", TextStyle.Default.Color(Placeholders.Color()));
+                });
+                
+                page.Footer().Text("Footer");
+            });
+        }
+    }
+    
+    public class ContinuousPageExamples
+    {
+        [Test]
+        public void ContinuousPage()
+        {
+            var path = "example.pdf";
+            new ContinuousPageDocument().GeneratePdf(path);
+            Process.Start("explorer", path);
+        }
+    }
+}

QuestPDF.Examples/DefaultTextStyleExample.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 DefaultTextStyleExample
+    {
+        [Test]
+        public void DefaultTextStyle()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .RenderDocument(container =>
+                {
+                    container.Page(page =>
+                    {
+                        // all text in this set of pages has size 20
+                        page.DefaultTextStyle(TextStyle.Default.Size(20));
+                    
+                        page.Margin(20);
+                        page.Size(PageSizes.A4);
+                        page.Background(Colors.White);
+        
+                        page.Content().Stack(stack =>
+                        {
+                            stack.Item().Text(Placeholders.Sentence());
+                        
+                            stack.Item().Text(text =>
+                            {
+                                // text in this block is additionally semibold
+                                text.DefaultTextStyle(TextStyle.Default.SemiBold());
+        
+                                text.Line(Placeholders.Sentence());
+                            
+                                // this text has size 20 but also semibold and red
+                                text.Span(Placeholders.Sentence(), TextStyle.Default.Color(Colors.Red.Medium));
+                            });
+                        });
+                    });
+                });
+        }
+    }
+}

QuestPDF.Examples/ElementExamples.cs

@@ -17,7 +17,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(200, 150)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -33,7 +32,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 300)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -63,7 +61,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(740, 200)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -104,7 +101,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(740, 200)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -126,7 +122,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(500, 360)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -149,7 +144,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(210, 210)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -172,7 +166,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 200)
-                .FileName()
                 .Render(container =>
                 {
                     var text = "";
@@ -195,7 +188,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(400, 230)
-                .FileName()
                 .Render(container =>
                 {
                     var textStyle = TextStyle.Default.Size(14);
@@ -230,7 +222,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 200)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -260,7 +251,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(400, 250)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -336,7 +326,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 300)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -381,7 +370,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(450, 150)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -414,7 +402,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(500, 175)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -441,7 +428,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 300)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -481,7 +467,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 150)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -502,7 +487,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 175)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -554,7 +538,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 200)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -581,8 +564,7 @@ namespace QuestPDF.Examples
         {
             RenderingTest
                 .Create()
-                .PageSize(350, 350)
-                .FileName()
+                .PageSize(650, 450)
                 .Render(container =>
                 {
                     container
@@ -595,8 +577,8 @@ namespace QuestPDF.Examples
                             foreach (var turns in Enumerable.Range(0, 4))
                             {
                                 grid.Item()
-                                    .Width(150)
-                                    .Height(150)
+                                    .Width(300)
+                                    .Height(200)
                                     .Background(Colors.Grey.Lighten2)
                                     .Padding(10)
                                     .Element(element =>
@@ -621,7 +603,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 300)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -648,7 +629,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(300, 300)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -680,7 +660,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(350, 350)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -722,7 +701,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(200, 200)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -748,7 +726,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(400, 350)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -778,5 +755,81 @@ namespace QuestPDF.Examples
                         });
                 });
         }
+        
+        [Test]
+        public void ComplexLayout()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(500, 225)
+                .Render(container =>
+                {
+                    container
+                        .Padding(25)
+                        .Stack(stack =>
+                        {
+                            stack.Item().Row(row =>
+                            {
+                                row.RelativeColumn().LabelCell("Label 1");
+                                
+                                row.RelativeColumn(3).Grid(grid =>
+                                {
+                                    grid.Columns(3);
+                                    
+                                    grid.Item(2).LabelCell("Label 2");
+                                    grid.Item().LabelCell("Label 3");
+                                    
+                                    grid.Item(2).ValueCell().Text("Value 2");
+                                    grid.Item().ValueCell().Text("Value 3");
+                                });
+                            });
+                            
+                            stack.Item().Row(row =>
+                            {
+                                row.RelativeColumn().ValueCell().Text("Value 1");
+                                
+                                row.RelativeColumn(3).Grid(grid =>
+                                {
+                                    grid.Columns(3);
+                                    
+                                    grid.Item().LabelCell("Label 4");
+                                    grid.Item(2).LabelCell("Label 5");
+                                    
+                                    grid.Item().ValueCell().Text("Value 4");
+                                    grid.Item(2).ValueCell().Text("Value 5");
+                                });
+                            });
+                            
+                            stack.Item().Row(row =>
+                            {
+                                row.RelativeColumn().LabelCell("Label 6");
+                                row.RelativeColumn().ValueCell().Text("Value 6");
+                            });
+                        });
+                });
+        }
+        
+        [Test]
+        public void DomainSpecificLanguage()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(600, 310)
+                .Render(container =>
+                {
+                    container
+                        .Padding(25)
+                        .Grid(grid =>
+                        {
+                            grid.Columns(10);
+                            
+                            for(var i=1; i<=4; i++)
+                            {
+                                grid.Item(2).LabelCell(Placeholders.Label());
+                                grid.Item(3).ValueCell().Image(Placeholders.Image(200, 150));
+                            }
+                        });
+                });
+        }
     }
 }

QuestPDF.Examples/Engine/RenderingTest.cs

@@ -3,6 +3,7 @@ using System.Diagnostics;
 using System.Runtime.CompilerServices;
 using QuestPDF.Elements;
 using QuestPDF.Fluent;
+using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Examples.Engine
@@ -25,12 +26,12 @@ namespace QuestPDF.Examples.Engine
             
         }
 
-        public static RenderingTest Create()
+        public static RenderingTest Create([CallerMemberName] string fileName = "test")
         {
-            return new RenderingTest();
+            return new RenderingTest().FileName(fileName);
         }
 
-        public RenderingTest FileName([CallerMemberName] string fileName = "test")
+        public RenderingTest FileName(string fileName)
         {
             FileNamePrefix = fileName;
             return this;
@@ -67,12 +68,26 @@ namespace QuestPDF.Examples.Engine
         
         public void Render(Action<IContainer> content)
         {
-            var container = new Container();
-            content(container);
+            RenderDocument(container =>
+            {
+                container.Page(page =>
+                {
+                    page.Size(new PageSize(Size.Width, Size.Height));
+                    page.Content().Container().Background(Colors.White).Element(content);
+                });
+            });
+        }
 
+        public void RenderDocument(Action<IDocumentContainer> content)
+        {
             var maxPages = ResultType == RenderingTestResult.Pdf ? 1000 : 10;
-            var document = new SimpleDocument(container, Size, maxPages);
+            var document = new SimpleDocument(content, maxPages);
 
+            Render(document);
+        }
+        
+        private void Render(IDocument document)
+        {
             if (ResultType == RenderingTestResult.Images)
             {
                 Func<int, string> fileNameSchema = i => $"{FileNamePrefix}-${i}.png";

QuestPDF.Examples/Engine/SimpleDocument.cs

@@ -1,4 +1,5 @@
-using QuestPDF.Drawing;
+using System;
+using QuestPDF.Drawing;
 using QuestPDF.Elements;
 using QuestPDF.Fluent;
 using QuestPDF.Helpers;
@@ -10,14 +11,12 @@ namespace QuestPDF.Examples.Engine
     {
         public const int ImageScalingFactor = 2;
         
-        private IContainer Container { get; }
-        private Size Size { get; }
+        private Action<IDocumentContainer> Content { get; }
         private int MaxPages { get; }
 
-        public SimpleDocument(IContainer container, Size size, int maxPages)
+        public SimpleDocument(Action<IDocumentContainer> content, int maxPages)
         {
-            Container = container;
-            Size = size;
+            Content = content;
             MaxPages = maxPages;
         }
         
@@ -32,11 +31,7 @@ namespace QuestPDF.Examples.Engine
         
         public void Compose(IDocumentContainer container)
         {
-            container.Page(page =>
-            {
-                page.Size(new PageSize(Size.Width, Size.Height));
-                page.Content().Container().Background(Colors.White).Element(Container as Container);
-            });
+            Content(container);
         }
     }
 }

QuestPDF.Examples/EnsureSpaceExample.cs

@@ -0,0 +1,53 @@
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class EnsureSpaceExample
+    {
+        [Test]
+        public void EnsureSpaceWith()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .RenderDocument(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Margin(20);
+                        page.Size(PageSizes.A7.Landscape());
+                        page.Background(Colors.White);
+                        
+                        page.Header().Text("With ensure space", TextStyle.Default.SemiBold());
+                        
+                        page.Content().Stack(stack =>
+                        {
+                            stack
+                                .Item()
+                                .ExtendHorizontal()
+                                .Height(75)
+                                .Background(Colors.Grey.Lighten2);
+                            
+                            stack
+                                .Item()
+                                .EnsureSpace(100)
+                                .Text(Placeholders.LoremIpsum());
+                        });
+                        
+                        page.Footer().Text(text =>
+                        {
+                            text.Span("Page ");
+                            text.CurrentPageNumber();
+                            text.Span(" out of ");
+                            text.TotalPages();
+                        });
+                    });
+                });
+        }
+    }
+}

QuestPDF.Examples/FrameExample.cs

@@ -12,23 +12,23 @@ namespace QuestPDF.Examples
         {
             return container
                 .Border(1)
-                .Background(dark ? "#EEE" : "#FFF")
+                .Background(dark ? Colors.Grey.Lighten2 : Colors.White)
                 .Padding(10);
         }
         
-        public static IContainer LabelCell(this IContainer container) => container.Cell(true);
+        public static void LabelCell(this IContainer container, string text) => container.Cell(true).Text(text, TextStyle.Default.Medium());
         public static IContainer ValueCell(this IContainer container) => container.Cell(false);
     }
     
     public class FrameExample
     {
         [Test]
-        public void Frame(IContainer container)
+        public void Frame()
         {
             RenderingTest
                 .Create()
                 .PageSize(550, 400)
-                .FileName()
+                .ShowResults()
                 .Render(container =>
                 {
                     container
@@ -40,7 +40,7 @@ namespace QuestPDF.Examples
                             {
                                 stack.Item().Row(row =>
                                 {
-                                    row.RelativeColumn(2).LabelCell().Text(Placeholders.Label());
+                                    row.RelativeColumn(2).LabelCell(Placeholders.Label());
                                     row.RelativeColumn(3).ValueCell().Text(Placeholders.Paragraph());
                                 });
                             }

QuestPDF.Examples/InlinedExamples.cs

@@ -0,0 +1,122 @@
+using System;
+using System.Linq;
+using System.Reflection.Metadata.Ecma335;
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class InlinedExamples
+    {
+        [Test]
+        public void Inlined()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(800, 650)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(25)
+                        .Decoration(decoration =>
+                        {
+                            decoration.Header().Text(text =>
+                            {
+                                text.DefaultTextStyle(TextStyle.Default.Size(20));
+                                
+                                text.CurrentPageNumber();
+                                text.Span(" / ");
+                                text.TotalPages();
+                            });
+                            
+                            decoration
+                                .Content()
+                                .PaddingTop(25)
+                                //.Box()
+                                .Border(1)
+                                .Background(Colors.Grey.Lighten2)
+                                .Inlined(inlined =>
+                                {
+                                    inlined.Spacing(25);
+
+                                    inlined.AlignSpaceAround();
+                                    inlined.BaselineMiddle();
+
+                                    var random = new Random(123);
+
+                                    foreach (var _ in Enumerable.Range(0, 50))
+                                    {
+                                        var width = random.Next(2, 7);
+                                        var height = random.Next(2, 7);
+
+                                        var sizeText = $"{width}×{height}";
+                                        
+                                        inlined
+                                            .Item()
+                                            .Border(1)
+                                            .Width(width * 25)
+                                            .Height(height * 25)
+                                            .Background(Placeholders.BackgroundColor())
+                                            .Layers(layers =>
+                                            {
+                                                layers.Layer().Grid(grid =>
+                                                {
+                                                    grid.Columns(width);
+                                                    Enumerable.Range(0, width * height).ToList().ForEach(x => grid.Item().Border(1).BorderColor(Colors.White).Width(25).Height(25));
+                                                });
+                                                
+                                                layers
+                                                    .PrimaryLayer()
+                                                    .AlignCenter()
+                                                    .AlignMiddle()
+                                                    .Text(sizeText, TextStyle.Default.Size(15));
+                                            });
+                                    }
+                                });
+                        });
+                });
+        }
+        
+        [Test]
+        public void Inline_AlignLeft_BaselineBottom()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(400, 250)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(20)
+                        .Border(1)
+                        .Background(Colors.Grey.Lighten3)
+                        .Inlined(inlined =>
+                        {
+                            inlined.VerticalSpacing(50);
+                            inlined.HorizontalSpacing(20);
+                            inlined.AlignSpaceAround();
+                            inlined.BaselineTop();
+
+                            foreach (var _ in Enumerable.Range(0, 20))
+                                inlined.Item().Element(RandomBlock);
+                        });
+                });
+
+            void RandomBlock(IContainer container)
+            {
+                container
+                    .Width(Placeholders.Random.Next(1, 5) * 20)
+                    .Height(Placeholders.Random.Next(1, 5) * 20)
+                    .Border(1)
+                    .BorderColor(Colors.Grey.Darken2)
+                    .Background(Placeholders.BackgroundColor());
+            }
+        }
+    }
+}

QuestPDF.Examples/LoremPicsumExample.cs

@@ -36,7 +36,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(350, 280)
-                .FileName()
                 .Render(container =>
                 {
                     container

QuestPDF.Examples/Padding.cs

@@ -12,8 +12,8 @@ namespace QuestPDF.Examples
         {
             RenderingTest
                 .Create()
-                .PageSize(200, 150)
-                .FileName()
+                .PageSize(300, 300)
+                .ShowResults()
                 .Render(container =>
                 {
                     container
@@ -36,7 +36,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(200, 150)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -61,7 +60,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(200, 150)
-                .FileName()
                 .Render(container =>
                 {
                     container
@@ -112,7 +110,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(200, 150)
-                .FileName()
                 .Render(container =>
                 {
                     container

QuestPDF.Examples/QuestPDF.Examples.csproj

@@ -6,10 +6,10 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="nunit" Version="3.12.0" />
-        <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
+        <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="2.80.2" />
+        <PackageReference Include="SkiaSharp" Version="2.80.3" />
     </ItemGroup>
 
     <ItemGroup>
@@ -20,6 +20,9 @@
       <None Update="quo-vadis.txt">
         <CopyToOutputDirectory>Always</CopyToOutputDirectory>
       </None>
+      <None Update="LibreBarcode39-Regular.ttf">
+        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      </None>
     </ItemGroup>
 
 </Project>

QuestPDF.Examples/ShowOnceExample.cs

@@ -0,0 +1,54 @@
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class ShowOnceExample
+    {
+        [Test]
+        public void ShowOnce()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .RenderDocument(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Margin(20);
+                        page.Size(PageSizes.A7.Landscape());
+                        page.Background(Colors.White);
+
+                        page.Header().Text("With show once", TextStyle.Default.SemiBold());
+                        
+                        page.Content().PaddingVertical(5).Row(row =>
+                        {
+                            row.RelativeColumn()
+                                .Background(Colors.Grey.Lighten2)
+                                .Border(1)
+                                .Padding(5)
+                                .ShowOnce()
+                                .Text(Placeholders.Label());
+                            
+                            row.RelativeColumn(2)
+                                .Border(1)
+                                .Padding(5)
+                                .Text(Placeholders.Paragraph());
+                        });
+                        
+                        page.Footer().Text(text =>
+                        {
+                            text.Span("Page ");
+                            text.CurrentPageNumber();
+                            text.Span(" out of ");
+                            text.TotalPages();
+                        });
+                    });
+                });
+        }
+    }
+}

QuestPDF.Examples/SkipOnceExample.cs

@@ -0,0 +1,47 @@
+using NUnit.Framework;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class SkipOnceExample
+    {
+        [Test]
+        public void SkipOnce()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .RenderDocument(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Margin(20);
+                        page.Size(PageSizes.A7.Landscape());
+                        page.Background(Colors.White);
+        
+                        page.Header().Stack(stack =>
+                        {
+                            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.");
+                        });
+                        
+                        page.Content()
+                            .PaddingVertical(10)
+                            .Text(Placeholders.Paragraphs(), TextStyle.Default.Color(Colors.Grey.Medium));
+                        
+                        page.Footer().Text(text =>
+                        {
+                            text.Span("Page ");
+                            text.CurrentPageNumber();
+                            text.Span(" out of ");
+                            text.TotalPages();
+                        });
+                    });
+                });
+        }
+    }
+}

QuestPDF.Examples/TextBenchmark.cs

@@ -21,7 +21,6 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(PageSizes.A4)
-                .FileName()
                 .ProducePdf()
                 .ShowResults()
                 .Render(x => ComposeBook(x, chapters));
@@ -43,8 +42,7 @@ namespace QuestPDF.Examples
                 RenderingTest
                     .Create()
                     .PageSize(PageSizes.A4)
-                    .FileName()
-                    .ProducePdf()
+                        .ProducePdf()
                     .Render(x => ComposeBook(x, chapters));
             }
 
@@ -200,7 +198,7 @@ namespace QuestPDF.Examples
                         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).Underlined());
+                        text.ExternalLocation("wolnelektury.pl", "https://wolnelektury.pl/", normalStyle.Color(Colors.Blue.Medium).Underline());
                         text.Span(". Dziękuję za wspieranie polskiego czytelnictwa!");
                     });
                 });

QuestPDF.Examples/TextExamples.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using System.Text;
 using NUnit.Framework;
 using QuestPDF.Examples.Engine;
 using QuestPDF.Fluent;
@@ -11,20 +12,135 @@ namespace QuestPDF.Examples
     public class TextExamples
     {
         [Test]
-        public void TextElements()
+        public void SimpleTextBlock()
         {
             RenderingTest
                 .Create()
-                .PageSize(500, 400)
-                .FileName()
+                .PageSize(500, 300)
+                
                 .ProduceImages()
                 .ShowResults()
                 .Render(container =>
                 {
                     container
+                        .Padding(5)
+                        .Box()
+                        .Border(1)
+                        .Padding(10)
+                        .Text(text =>
+                        {
+                            text.DefaultTextStyle(TextStyle.Default.Size(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());
+                        });
+                });
+        }
+        
+        [Test]
+        public void ParagraphSpacing()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(500, 300)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(5)
+                        .Box()
+                        .Border(1)
+                        .Padding(10)
+                        .Text(text =>
+                        {
+                            text.ParagraphSpacing(10);
+    
+                            foreach (var i in Enumerable.Range(1, 3))
+                            {
+                                text.Span($"Paragraph {i}: ", TextStyle.Default.SemiBold());
+                                text.Line(Placeholders.Paragraph());
+                            }
+                        });
+                });
+        }
+        
+        [Test]
+        public void CustomElement()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(500, 200)
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(5)
+                        .Box()
+                        .Border(1)
+                        .Padding(10)
+                        .Text(text =>
+                        {
+                            text.DefaultTextStyle(TextStyle.Default.Size(20));
+                            text.Span("This is a random image aligned to the baseline: ");
+                            
+                            text.Element()
+                                .PaddingBottom(-6)
+                                .Height(24)
+                                .Width(48)
+                                .Image(Placeholders.Image);
+                            
+                            text.Span(".");
+                        });
+                });
+        }
+        
+        [Test]
+        public void TextElements()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProducePdf()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(20)
                         .Padding(10)
                         .Box()
                         .Border(1)
+                        .Padding(5)
+                        .Padding(10)
+                        .Text(text =>
+                        {
+                            text.DefaultTextStyle(TextStyle.Default);
+                            text.AlignLeft();
+                            text.ParagraphSpacing(10);
+
+                            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());
+                        });
+                });
+        }
+        
+        [Test]
+        public void TextStack()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProducePdf()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(20)
+                        .Padding(10)
+                        .Box()
+                        .Border(1)
+                        .Padding(5)
                         .Padding(10)
                         .Text(text =>
                         {
@@ -32,78 +148,28 @@ namespace QuestPDF.Examples
                             text.AlignLeft();
                             text.ParagraphSpacing(10);
                             
-                            text.Span(Placeholders.LoremIpsum());
-                            
-                            text.NewLine();
-                            
-                            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).Underlined());
-                            text.Span("and this is slightly bigger text.", TextStyle.Default.Size(16));
-                            
-                            text.NewLine();
-                            
-                            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.Span(".");
-                            
-                            text.NewLine();
-                            
-                            text.Span("This is page number ");
-                            text.CurrentPageNumber();
-                            text.Span(" out of ");
-                            text.TotalPages();
-                            
-                            text.NewLine();
-                            
-                            text.ExternalLocation("Please visit QuestPDF website", "https://www.questpdf.com");
-                            
-                            text.NewLine();
-                            
-                            /*
-                            text.Span("Let's start with bold text. ", TextStyle.Default.Bold().BackgroundColor(Colors.Grey.Lighten3).Size(16));
-                            text.Span("Then something bigger. ", TextStyle.Default.Size(28).Color(Colors.DeepOrange.Darken2).BackgroundColor(Colors.Yellow.Lighten3).Underlined());
-                            text.Span("And tiny \r\n teeny-tiny. ", TextStyle.Default.Size(6));
-                            text.Span("Stroked text also works fine. ", TextStyle.Default.Size(14).Stroked().BackgroundColor(Colors.Grey.Lighten4));
-                               
-                            text.Span("0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789", TextStyle.Default.Size(18));
-                            
-                            text.NewLine();
-                            text.NewLine();
-                            text.NewLine();
-                            text.Span("Is it time for lorem  ipsum? ", TextStyle.Default.Size(12).Underlined().BackgroundColor(Colors.Grey.Lighten3));
-                            text.Span(Placeholders.LoremIpsum(), TextStyle.Default.Size(12));
-                            
-                            text.Span("Before element - ");
-                            text.Element().PaddingBottom(-10).Background(Colors.Red.Lighten4).Height(20).PaddingHorizontal(5).AlignMiddle().Text("Text inside text", TextStyle.Default.Size(8));
-                            text.Span(" - end of element.");
-                            
-                            text.NewLine();
-                            // text.Span("And now some colors: ", TextStyle.Default.Size(16).Color(Colors.Green.Medium));
-                            //
-                            // foreach (var i in Enumerable.Range(1, 100))
-                            // {
-                            //     text.Span($"{i}: {Placeholders.Sentence()} ", TextStyle.Default.Size(12 + i / 5).LineHeight(2.75f - i / 50f).Color(Placeholders.Color()).BackgroundColor(Placeholders.BackgroundColor()));   
-                            // }*/
+                            foreach (var i in Enumerable.Range(1, 100))
+                                text.Line($"{i}: {Placeholders.Paragraph()}");
                         });
                 });
         }
 
         [Test]
-        public void PageNumber()
+        public void SpaceIssue()
         {
             RenderingTest
                 .Create()
-                .PageSize(500, 400)
-                .FileName()
-                .ProduceImages()
+                .PageSize(PageSizes.A4)
+                .ProducePdf()
                 .ShowResults()
                 .Render(container =>
                 {
                     container
+                        .Padding(20)
                         .Padding(10)
                         .Box()
                         .Border(1)
+                        .Padding(5)
                         .Padding(10)
                         .Text(text =>
                         {
@@ -111,10 +177,93 @@ namespace QuestPDF.Examples
                             text.AlignLeft();
                             text.ParagraphSpacing(10);
 
+                            text.Span(Placeholders.LoremIpsum());
+
+                            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.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.Span(".");
+
+                            text.EmptyLine();
+
                             text.Span("This is page number ");
                             text.CurrentPageNumber();
                             text.Span(" out of ");
                             text.TotalPages();
+
+                            text.EmptyLine();
+
+                            text.ExternalLocation("Please visit QuestPDF website", "https://www.questpdf.com");
+
+                            text.EmptyLine();
+
+                            text.Span(Placeholders.Paragraphs());
+                            
+                            
+                            text.EmptyLine();
+
+                            text.Span(Placeholders.Paragraphs(), TextStyle.Default.Italic());
+                            
+                            text.Line("This is target text that does not show up. " + Placeholders.Paragraph());
+                        });
+                });
+        }
+
+        [Test]
+        public void HugeList()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProducePdf()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(20)
+                        .Padding(10)
+                        .Box()
+                        .Border(1)
+                        .Padding(5)
+                        .Padding(10)
+                        .Text(text =>
+                        {
+                            text.DefaultTextStyle(TextStyle.Default);
+                            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("The new text element also supports injecting custom content between words: ");
+                            text.Element().PaddingBottom(-10).Height(16).Width(32).Image(Placeholders.Image);
+                            text.Span(".");
+                            
+                            text.EmptyLine();
+                            
+                            foreach (var i in Enumerable.Range(1, 100))
+                            {
+                                text.Line($"{i}: {Placeholders.Paragraph()}");
+
+                                text.ExternalLocation("Please visit QuestPDF website", "https://www.questpdf.com");
+                                
+                                text.Span("This is page number ");
+                                text.CurrentPageNumber();
+                                text.Span(" out of ");
+                                text.TotalPages();
+                                
+                                text.EmptyLine();
+                            }
                         });
                 });
         }

QuestPDF.ReportSample/DataSource.cs

@@ -7,9 +7,6 @@ namespace QuestPDF.ReportSample
 {
     public static class DataSource
     {
-        public static int SectionCounter { get; set; }
-        public static int FieldCounter { get; set; }
-        
         public static ReportModel GetReport()
         {
             return new ReportModel

QuestPDF.ReportSample/Layouts/DifferentHeadersTemplate.cs

@@ -0,0 +1,85 @@
+using QuestPDF.Drawing;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.ReportSample.Layouts
+{
+    public class DifferentHeadersTemplate : IDocument
+    {
+        public DocumentMetadata GetMetadata() => DocumentMetadata.Default;
+
+        public void Compose(IDocumentContainer container)
+        {
+            container
+                .Page(page =>
+                {
+                    page.Margin(40);
+
+                    page.Size(PageSizes.A4);
+
+                    page.Header().Element(ComposeHeader);
+                    page.Content().Element(ComposeContent);
+                    page.Footer().Element(ComposeFooter);
+                });
+        }
+
+        private void ComposeHeader(IContainer container)
+        {
+            container.Background(Colors.Grey.Lighten3).Border(1).Stack(stack =>
+            {
+                stack.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);
+                });
+                stack.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);
+                });
+            });
+        }
+
+        private void ComposeContent(IContainer container)
+        {
+            container.Stack(stack =>
+            {
+                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();
+            });
+        }
+
+        private void ComposeFooter(IContainer container)
+        {
+            container.Background(Colors.Grey.Lighten3).Stack(stack =>
+            {
+                stack.Item().ShowOnce().Background(Colors.Grey.Lighten3).Row(row =>
+                {
+                    row.RelativeColumn().Text(x =>
+                    {
+                        x.CurrentPageNumber();
+                        x.Span(" / ");
+                        x.TotalPages();
+                    });
+                    row.RelativeColumn().AlignRight().Text("Footer for header");
+                });
+
+                stack.Item().SkipOnce().Background(Colors.Grey.Lighten3).Row(row =>
+                {
+                    row.RelativeColumn().Text(x =>
+                    {
+                        x.CurrentPageNumber();
+                        x.Span(" / ");
+                        x.TotalPages();
+                    });
+                    row.RelativeColumn().AlignRight().Text("Footer for every page except header");
+                });
+            });
+        }
+    }
+}

QuestPDF.ReportSample/Layouts/ImageTemplate.cs

@@ -1,5 +1,6 @@
 using System;
 using QuestPDF.Fluent;
+using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.ReportSample.Layouts
@@ -24,7 +25,7 @@ namespace QuestPDF.ReportSample.Layouts
         {
             container
                 .AspectRatio(AspectRatio)
-                .Background("#EEEEEE")
+                .Background(Colors.Grey.Lighten3)
                 .Image(Source(Size.Zero));
         }
     }

QuestPDF.ReportSample/Layouts/PhotoTemplate.cs

@@ -48,13 +48,13 @@ namespace QuestPDF.ReportSample.Layouts
             {
                 grid.Columns(6);
                 
-                grid.Item().LabelCell().Text("Date", Typography.Normal);
-                grid.Item(2).ValueCell().Text(Model.Date?.ToString("g") ?? string.Empty, Typography.Normal);
-                grid.Item().LabelCell().Text("Location", Typography.Normal);
-                grid.Item(2).ValueCell().Text(Model.Location.Format(), Typography.Normal);
+                grid.Item().LabelCell().Text("Date");
+                grid.Item(2).ValueCell().Text(Model.Date?.ToString("g") ?? string.Empty);
+                grid.Item().LabelCell().Text("Location");
+                grid.Item(2).ValueCell().Text(Model.Location.Format());
                 
-                grid.Item().LabelCell().Text("Comments", Typography.Normal);
-                grid.Item(5).ValueCell().Text(Model.Comments, Typography.Normal);
+                grid.Item().LabelCell().Text("Comments");
+                grid.Item(5).ValueCell().Text(Model.Comments);
             });
         }
     }

QuestPDF.ReportSample/Layouts/SectionTemplate.cs

@@ -30,11 +30,11 @@ namespace QuestPDF.ReportSample.Layouts
                         {
                             stack.Item().EnsureSpace(25).Row(row =>
                             {
-                                row.ConstantColumn(150).LabelCell().Text(part.Label, Typography.Normal);
+                                row.ConstantColumn(150).LabelCell().Text(part.Label);
                                 var frame = row.RelativeColumn().ValueCell();
                             
                                 if (part is ReportSectionText text)
-                                    frame.ShowEntire().Text(text.Text, Typography.Normal);
+                                    frame.ShowEntire().Text(text.Text);
                         
                                 if (part is ReportSectionMap map)
                                     frame.Element(x => MapElement(x, map));
@@ -51,7 +51,7 @@ namespace QuestPDF.ReportSample.Layouts
         {
             if (model.ImageSource == null || model.Location == null)
             {
-                container.Text("No location provided", Typography.Normal);
+                container.Text("No location provided");
                 return;
             }
 
@@ -60,7 +60,7 @@ namespace QuestPDF.ReportSample.Layouts
                 stack.Spacing(5);
                 
                 stack.Item().MaxWidth(250).AspectRatio(4 / 3f).Image(Placeholders.Image);
-                stack.Item().Text(model.Location.Format(), Typography.Normal);
+                stack.Item().Text(model.Location.Format());
             });
         }
         
@@ -68,7 +68,7 @@ namespace QuestPDF.ReportSample.Layouts
         {
             if (model.Photos.Count == 0)
             {
-                container.Text("No photos", Typography.Normal);
+                container.Text("No photos");
                 return;
             }
 

QuestPDF.ReportSample/Layouts/StandardReport.cs

@@ -27,6 +27,8 @@ namespace QuestPDF.ReportSample.Layouts
             container
                 .Page(page =>
                 {
+                    page.DefaultTextStyle(Typography.Normal);
+                    
                     page.MarginVertical(40);
                     page.MarginHorizontal(50);
                     
@@ -37,8 +39,6 @@ namespace QuestPDF.ReportSample.Layouts
                     
                     page.Footer().AlignCenter().Text(text =>
                     {
-                        text.DefaultTextStyle(Typography.Normal);
-                        
                         text.CurrentPageNumber();
                         text.Span(" / ");
                         text.TotalPages();
@@ -69,8 +69,8 @@ namespace QuestPDF.ReportSample.Layouts
                     {
                         grid.Item().Text(text =>
                         {
-                            text.Span($"{field.Label}: ", Typography.Normal.SemiBold());
-                            text.Span(field.Value, Typography.Normal);
+                            text.Span($"{field.Label}: ", TextStyle.Default.SemiBold());
+                            text.Span(field.Value);
                         });
                     }
                 });

QuestPDF.ReportSample/Layouts/TableOfContentsTemplate.cs

@@ -41,9 +41,9 @@ namespace QuestPDF.ReportSample.Layouts
                 .InternalLink(locationName)
                 .Row(row =>
                 {
-                    row.ConstantColumn(25).Text($"{number}.", Typography.Normal);
-                    row.RelativeColumn().Text(locationName, Typography.Normal);
-                    row.ConstantColumn(150).AlignRight().Text(text => text.PageNumberOfLocation(locationName, Typography.Normal));
+                    row.ConstantColumn(25).Text($"{number}.");
+                    row.RelativeColumn().Text(locationName);
+                    row.ConstantColumn(150).AlignRight().Text(text => text.PageNumberOfLocation(locationName));
                 });
         }
     }

QuestPDF.ReportSample/QuestPDF.ReportSample.csproj

@@ -8,11 +8,10 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="DeepCloner" Version="0.10.2" />
-        <PackageReference Include="nunit" Version="3.12.0" />
-        <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
+        <PackageReference Include="nunit" Version="3.13.2" />
+        <PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
-        <PackageReference Include="SkiaSharp" Version="2.80.2" />
+        <PackageReference Include="SkiaSharp" Version="2.80.3" />
     </ItemGroup>
 
     <ItemGroup>

QuestPDF.ReportSample/Tests.cs

@@ -57,8 +57,8 @@ namespace QuestPDF.ReportSample
             Console.WriteLine($"Time per document: {performance:N} ms");
             Console.WriteLine($"Documents per second: {speed:N} d/s");
 
-            //if (speed < performanceTarget)
-            //    throw new Exception("Rendering algorithm is too slow.");
+            if (speed < performanceTarget)
+                throw new Exception("Rendering algorithm is too slow.");
         }
     }
 }

QuestPDF.ReportSample/Typography.cs

@@ -8,6 +8,6 @@ namespace QuestPDF.ReportSample
     {
         public static TextStyle Title => TextStyle.Default.FontType(Fonts.Calibri).Color(Colors.Blue.Darken3).Size(26).Black();
         public static TextStyle Headline => TextStyle.Default.FontType(Fonts.Calibri).Color(Colors.Blue.Medium).Size(16).SemiBold();
-        public static TextStyle Normal => TextStyle.Default.FontType(Fonts.Calibri).Color(Colors.Black).Size(11).LineHeight(1.1f);
+        public static TextStyle Normal => TextStyle.Default.FontType(Fonts.Verdana).Color(Colors.Black).Size(10).LineHeight(1.2f);
     }
 }

QuestPDF.UnitTests/AlignmentTests.cs

@@ -10,11 +10,7 @@ namespace QuestPDF.UnitTests
     public class AlignmentTests
     {
         [Test]
-        public void Measure_ShouldHandleNullChild() => new Alignment().MeasureWithoutChild();
-        
-        [Test]
-        public void Draw_ShouldHandleNullChild() => new Alignment().DrawWithoutChild();
-
+        public void Measure() => SimpleContainerTests.Measure<Alignment>();
         [Test]
         public void Draw_HorizontalCenter_VerticalCenter()
         {

QuestPDF.UnitTests/AspectRatioTests.cs

@@ -9,12 +9,6 @@ namespace QuestPDF.UnitTests
     [TestFixture]
     public class AspectRatioTests
     {
-        [Test]
-        public void Measure_ShouldHandleNullChild() => new AspectRatio().MeasureWithoutChild();
-        
-        [Test]
-        public void Draw_ShouldHandleNullChild() => new AspectRatio().DrawWithoutChild();
-        
         [Test]
         public void Measure_FitWidth_EnoughSpace_FullRender()
         {

QuestPDF.UnitTests/BackgroundTests.cs

@@ -10,8 +10,8 @@ namespace QuestPDF.UnitTests
     public class BackgroundTests
     {
         [Test]
-        public void Measure_ShouldHandleNullChild() => new Background().MeasureWithoutChild();
-
+        public void Measure() => SimpleContainerTests.Measure<Background>();
+        
         [Test]
         public void Draw_ShouldHandleNullChild()
         {

QuestPDF.UnitTests/BorderTests.cs

@@ -11,8 +11,8 @@ namespace QuestPDF.UnitTests
     public class BorderTests
     {
         [Test]
-        public void Measure_ShouldHandleNullChild() => new Border().MeasureWithoutChild();
-
+        public void Measure() => SimpleContainerTests.Measure<Border>();
+        
         [Test]
         public void ComponentShouldNotAffectLayout()
         {

QuestPDF.UnitTests/BoxTests.cs

@@ -0,0 +1,56 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class BoxTests
+    {
+        [Test]
+        public void Measure() => SimpleContainerTests.Measure<Box>();
+        
+        [Test]
+        public void Draw_Wrap()
+        {
+            TestPlan
+                .For(x => new Box
+                {
+                    Child = x.CreateChild()
+                })
+                .DrawElement(new Size(400, 300))
+                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: new Wrap())
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Measure_PartialRender()
+        {
+            TestPlan
+                .For(x => new Box
+                {
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: new PartialRender(200, 100))
+                .ExpectChildDraw(new Size(200, 100))
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Measure_FullRender()
+        {
+            TestPlan
+                .For(x => new Box
+                {
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(500, 400))
+                .ExpectChildMeasure(expectedInput: new Size(500, 400), returns: new FullRender(300, 200))
+                .ExpectChildDraw(new Size(300, 200))
+                .CheckDrawResult();
+        }
+    }
+}

QuestPDF.UnitTests/ConstrainedTests.cs

@@ -9,12 +9,8 @@ namespace QuestPDF.UnitTests
     [TestFixture]
     public class ConstrainedTests
     {
-        [Test]
-        public void Measure_ShouldHandleNullChild() => new Constrained().MeasureWithoutChild();
+        #region Height
         
-        [Test]
-        public void Draw_ShouldHandleNullChild() => new Constrained().DrawWithoutChild();
-
         [Test]
         public void Measure_MinHeight_ExpectWrap()
         {
@@ -94,5 +90,91 @@ namespace QuestPDF.UnitTests
                 .ExpectChildMeasure(new Size(400, 100), new Wrap())
                 .CheckMeasureResult(new Wrap());
         }
+        
+        #endregion
+        
+        #region Width
+        
+        [Test]
+        public void Measure_MinWidth_ExpectWrap()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MinWidth = 100
+                })
+                .MeasureElement(new Size(50, 400))
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_MinWidth_ExtendHeight()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MinWidth = 100,
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(200, 400))
+                .ExpectChildMeasure(new Size(200, 400), new FullRender(50, 400))
+                .CheckMeasureResult(new FullRender(100, 400));
+        }
+        
+        [Test]
+        public void Measure_MinWidth_PassHeight()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MinWidth = 100,
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(200, 400))
+                .ExpectChildMeasure(new Size(200, 400), new FullRender(150, 400))
+                .CheckMeasureResult(new FullRender(150, 400));
+        }
+        
+        [Test]
+        public void Measure_MaxWidth_Empty()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MaxWidth = 100
+                })
+                .MeasureElement(new Size(150, 400))
+                .CheckMeasureResult(new FullRender(0, 0));
+        }
+        
+        [Test]
+        public void Measure_MaxWidth_PartialRender()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MaxWidth = 100,
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(200, 400))
+                .ExpectChildMeasure(new Size(100, 400), new PartialRender(75, 400))
+                .CheckMeasureResult(new PartialRender(75, 400));
+        }
+        
+        [Test]
+        public void Measure_MaxWidth_ExpectWrap()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MaxWidth = 100,
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(200, 400))
+                .ExpectChildMeasure(new Size(100, 400), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        #endregion
     }
 }

QuestPDF.UnitTests/DebugTests.cs

@@ -1,10 +0,0 @@
-using NUnit.Framework;
-
-namespace QuestPDF.UnitTests
-{
-    [TestFixture]
-    public class DebugTests
-    {
-        
-    }
-}

QuestPDF.UnitTests/DynamicImageTests.cs

@@ -66,7 +66,7 @@ namespace QuestPDF.UnitTests
                 .ExpectCanvasDrawImage(Position.Zero, new Size(400, 300))
                 .CheckDrawResult();
             
-            passedSize.Should().Be(new Size(400, 300));
+            passedSize.Should().BeEquivalentTo(new Size(400, 300));
         }
         
         byte[] GenerateImage(Size size)

QuestPDF.UnitTests/EnsureSpaceTests.cs

@@ -78,5 +78,8 @@ namespace QuestPDF.UnitTests
                 .ExpectChildMeasure(new Size(400, 300), new FullRender(300, 250))
                 .CheckMeasureResult(new FullRender(300, 250));
         }
+        
+        [Test]
+        public void Draw() => SimpleContainerTests.Draw<EnsureSpace>();
     }
 }

QuestPDF.UnitTests/ExtendTests.cs

@@ -9,12 +9,6 @@ namespace QuestPDF.UnitTests
     [TestFixture]
     public class ExtendTests
     {
-        [Test]
-        public void Measure_ShouldHandleNullChild() => new Extend().MeasureWithoutChild();
-        
-        [Test]
-        public void Draw_ShouldHandleNullChild() => new Extend().DrawWithoutChild();
-        
         [Test]
         public void Measure_ReturnsWrap_WhenChildReturnsWrap()
         {
@@ -87,5 +81,8 @@ namespace QuestPDF.UnitTests
                 .ExpectChildMeasure(new Size(400, 200), new FullRender(100, 100))
                 .CheckMeasureResult(new FullRender(100, 200));
         }
+
+        [Test]
+        public void Draw() => SimpleContainerTests.Draw<Extend>();
     }
 }

QuestPDF.UnitTests/ExternalLinkTests.cs

@@ -0,0 +1,15 @@
+using NUnit.Framework;
+using QuestPDF.Elements;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class ExternalLinkTests
+    {
+        [Test]
+        public void Measure() => SimpleContainerTests.Measure<ExternalLink>();
+        
+        // TODO: consider tests for the Draw method
+    }
+}

QuestPDF.UnitTests/GridTests.cs

@@ -39,30 +39,30 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Container().Stack(stack =>
+            expected.Stack(stack =>
             {
                 stack.Item().Row(row =>
                 {
-                    row.RelativeColumn(6).Container().Element(childA);
-                    row.RelativeColumn(4).Container().Element(childB);
+                    row.RelativeColumn(6).Element(childA);
+                    row.RelativeColumn(4).Element(childB);
                     row.RelativeColumn(2);
                 });
                 
                 stack.Item().Row(row =>
                 {
-                    row.RelativeColumn(4).Container().Element(childC);
-                    row.RelativeColumn(2).Container().Element(childD);
+                    row.RelativeColumn(4).Element(childC);
+                    row.RelativeColumn(2).Element(childD);
                     row.RelativeColumn(6);
                 });
                 
                 stack.Item().Row(row =>
                 {
-                    row.RelativeColumn(8).Container().Element(childE);
+                    row.RelativeColumn(8).Element(childE);
                     row.RelativeColumn(4);
                 });
             });
             
-            structure.Should().BeEquivalentTo(expected, o => o.WithTracing().WithAutoConversion().WithStrictOrdering().IncludingAllRuntimeProperties());
+            TestPlan.CompareOperations(structure, expected);
         }
         
         [Test]
@@ -93,33 +93,33 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Container().Stack(stack =>
+            expected.Stack(stack =>
             {
                 stack.Item().Row(row =>
                 {
                     row.RelativeColumn(1);
-                    row.RelativeColumn(6).Container().Element(childA);
-                    row.RelativeColumn(4).Container().Element(childB);
+                    row.RelativeColumn(6).Element(childA);
+                    row.RelativeColumn(4).Element(childB);
                     row.RelativeColumn(1);
                 });
                 
                 stack.Item().Row(row =>
                 {
                     row.RelativeColumn(3);
-                    row.RelativeColumn(4).Container().Element(childC);
-                    row.RelativeColumn(2).Container().Element(childD);
+                    row.RelativeColumn(4).Element(childC);
+                    row.RelativeColumn(2).Element(childD);
                     row.RelativeColumn(3);
                 });
                 
                 stack.Item().Row(row =>
                 {
                     row.RelativeColumn(2);
-                    row.RelativeColumn(8).Container().Element(childE);
+                    row.RelativeColumn(8).Element(childE);
                     row.RelativeColumn(2);
                 });
             });
 
-            structure.Should().BeEquivalentTo(expected, o => o.WithTracing().WithAutoConversion().WithStrictOrdering().IncludingAllRuntimeProperties());
+            TestPlan.CompareOperations(structure, expected);
         }
         
         [Test]
@@ -150,30 +150,30 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Container().Stack(stack =>
+            expected.Stack(stack =>
             {
                 stack.Item().Row(row =>
                 {
                     row.RelativeColumn(2);
-                    row.RelativeColumn(6).Container().Element(childA);
-                    row.RelativeColumn(4).Container().Element(childB);
+                    row.RelativeColumn(6).Element(childA);
+                    row.RelativeColumn(4).Element(childB);
                 });
                 
                 stack.Item().Row(row =>
                 {
                     row.RelativeColumn(6);
-                    row.RelativeColumn(4).Container().Element(childC);
-                    row.RelativeColumn(2).Container().Element(childD);
+                    row.RelativeColumn(4).Element(childC);
+                    row.RelativeColumn(2).Element(childD);
                 });
                 
                 stack.Item().Row(row =>
                 {
                     row.RelativeColumn(4);
-                    row.RelativeColumn(8).Container().Element(childE);
+                    row.RelativeColumn(8).Element(childE);
                 });
             });
             
-            structure.Should().BeEquivalentTo(expected, o => o.WithTracing().WithAutoConversion().WithStrictOrdering().IncludingAllRuntimeProperties());
+            TestPlan.CompareOperations(structure, expected);
         }
         
         #endregion
@@ -210,7 +210,7 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Container().Stack(stack =>
+            expected.Stack(stack =>
             {
                 stack.Spacing(20);
                 
@@ -219,8 +219,8 @@ namespace QuestPDF.UnitTests
                     row.Spacing(30);
                     
                     row.RelativeColumn(3);
-                    row.RelativeColumn(5).Container().Element(childA);
-                    row.RelativeColumn(5).Container().Element(childB);
+                    row.RelativeColumn(5).Element(childA);
+                    row.RelativeColumn(5).Element(childB);
                     row.RelativeColumn(3);
                 });
                 
@@ -229,7 +229,7 @@ namespace QuestPDF.UnitTests
                     row.Spacing(30);
                     
                     row.RelativeColumn(3);
-                    row.RelativeColumn(10).Container().Element(childC);
+                    row.RelativeColumn(10).Element(childC);
                     row.RelativeColumn(3);
                 });
                 
@@ -238,12 +238,12 @@ namespace QuestPDF.UnitTests
                     row.Spacing(30);
                     
                     row.RelativeColumn(2);
-                    row.RelativeColumn(12).Container().Element(childD);
+                    row.RelativeColumn(12).Element(childD);
                     row.RelativeColumn(2);
                 });
             });
             
-            structure.Should().BeEquivalentTo(expected, o => o.WithTracing().WithAutoConversion().WithStrictOrdering().IncludingAllRuntimeProperties().AllowingInfiniteRecursion());
+            TestPlan.CompareOperations(structure, expected);
         }
         
         #endregion

QuestPDF.UnitTests/Helpers.cs

@@ -1,30 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using FluentAssertions;
-using QuestPDF.Infrastructure;
-using QuestPDF.UnitTests.TestEngine;
-
-namespace QuestPDF.UnitTests
-{
-    public static class Helpers
-    {
-        public static Random Random = new Random();
-        
-        public static Size RandomSize => new Size(Random.Next(200, 400), Random.Next(100, 200));
-
-        public static void ShouldEqual(this IEnumerable<OperationBase> commands, IEnumerable<OperationBase> expected)
-        {
-            commands.Should().HaveSameCount(expected);
-            
-            commands
-                .Zip(expected)
-                .ToList()
-                .ForEach(x =>
-                {
-                    x.First.Should().BeOfType(x.Second.GetType());
-                    x.First.Should().BeEquivalentTo(x.Second, y => y.RespectingRuntimeTypes());
-                });
-        }
-    }
-}

QuestPDF.UnitTests/ImageTests.cs

@@ -11,12 +11,6 @@ namespace QuestPDF.UnitTests
     [TestFixture]
     public class ImageTests
     {
-        [Test]
-        public void Measure_ShouldHandleNullChild() => new AspectRatio().MeasureWithoutChild();
-        
-        [Test]
-        public void Draw_ShouldHandleNullChild() => new AspectRatio().DrawWithoutChild();
-        
         [Test]
         public void Measure_TakesAvailableSpaceRegardlessOfSize()
         {

QuestPDF.UnitTests/InternalLinkTests.cs

@@ -0,0 +1,15 @@
+using NUnit.Framework;
+using QuestPDF.Elements;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class InternalLinkTests
+    {
+        [Test]
+        public void Measure() => SimpleContainerTests.Measure<InternalLink>();
+        
+        // TODO: consider tests for the Draw method
+    }
+}

QuestPDF.UnitTests/InternalLocationTests.cs

@@ -0,0 +1,15 @@
+using NUnit.Framework;
+using QuestPDF.Elements;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class InternalLocationTests
+    {
+        [Test]
+        public void Measure() => SimpleContainerTests.Measure<InternalLink>();
+        
+        // TODO: consider tests for the Draw method
+    }
+}

QuestPDF.UnitTests/LayersTests.cs

@@ -0,0 +1,131 @@
+using System.Collections.Generic;
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class LayersTests
+    {
+        private const string BackgroundLayer = "background";
+        private const string MainLayer = "main";
+        private const string ForegroundLayer = "foreground";
+        
+        private static Layers GetLayers(TestPlan x)
+        {
+            return new Layers
+            {
+                Children = new List<Layer>
+                {
+                    new Layer
+                    {
+                        Child = x.CreateChild(BackgroundLayer)
+                    },
+                    new Layer
+                    {
+                        Child = x.CreateChild(MainLayer),
+                        IsPrimary = true
+                    },
+                    new Layer
+                    {
+                        Child = x.CreateChild(ForegroundLayer)
+                    }
+                }
+            };
+        }
+        
+        #region measure
+        
+        [Test]
+        public void Measure_Wrap()
+        {
+            TestPlan
+                .For(GetLayers)
+                .MeasureElement(new Size(800, 600))
+                .ExpectChildMeasure(MainLayer, new Size(800, 600), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+
+        [Test]
+        public void Measure_PartialRender()
+        {
+            TestPlan
+                .For(GetLayers)
+                .MeasureElement(new Size(800, 600))
+                .ExpectChildMeasure(MainLayer, new Size(800, 600), new PartialRender(700, 500))
+                .CheckMeasureResult(new PartialRender(700, 500));
+        }
+        
+        [Test]
+        public void Measure_FullRender()
+        {
+            TestPlan
+                .For(GetLayers)
+                .MeasureElement(new Size(800, 600))
+                .ExpectChildMeasure(MainLayer, new Size(800, 600), new FullRender(500, 400))
+                .CheckMeasureResult(new FullRender(500, 400));
+        }
+        
+        #endregion
+        
+        #region draw
+        
+        [Test]
+        public void Draw_Simple()
+        {
+            TestPlan
+                .For(GetLayers)
+                .MeasureElement(new Size(800, 600))
+                
+                .ExpectChildMeasure(BackgroundLayer, new Size(800, 600), new FullRender(100, 200))
+                .ExpectChildMeasure(MainLayer, new Size(800, 600), new PartialRender(200, 300))
+                .ExpectChildMeasure(ForegroundLayer, new Size(800, 600), new FullRender(300, 400))
+                
+                
+                .ExpectChildDraw(BackgroundLayer, new Size(800, 600))
+                .ExpectChildDraw(MainLayer, new Size(800, 600))
+                .ExpectChildDraw(ForegroundLayer, new Size(800, 600))
+                
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_WhenSecondaryLayerReturnsWrap_SkipThatLayer_1()
+        {
+            TestPlan
+                .For(GetLayers)
+                .MeasureElement(new Size(800, 600))
+                
+                .ExpectChildMeasure(BackgroundLayer, new Size(800, 600), new PartialRender(100, 200))
+                .ExpectChildMeasure(MainLayer, new Size(800, 600), new PartialRender(200, 300))
+                .ExpectChildMeasure(ForegroundLayer, new Size(800, 600), new Wrap())
+                
+                .ExpectChildDraw(BackgroundLayer, new Size(800, 600))
+                .ExpectChildDraw(MainLayer, new Size(800, 600))
+                
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_WhenSecondaryLayerReturnsWrap_SkipThatLayer_2()
+        {
+            TestPlan
+                .For(GetLayers)
+                .MeasureElement(new Size(800, 600))
+                
+                .ExpectChildMeasure(BackgroundLayer, new Size(800, 600), new Wrap())
+                .ExpectChildMeasure(MainLayer, new Size(800, 600), new PartialRender(200, 300))
+                .ExpectChildMeasure(ForegroundLayer, new Size(800, 600), new PartialRender(300, 400))
+                
+                .ExpectChildDraw(MainLayer, new Size(800, 600))
+                .ExpectChildDraw(ForegroundLayer, new Size(800, 600))
+                
+                .CheckDrawResult();
+        }
+        
+        #endregion
+    }
+}

QuestPDF.UnitTests/PaddingTests.cs

@@ -9,12 +9,6 @@ namespace QuestPDF.UnitTests
     [TestFixture]
     public class PaddingTests
     {
-        [Test]
-        public void Measure_ShouldHandleNullChild() => new Padding().MeasureWithoutChild();
-        
-        [Test]
-        public void Draw_ShouldHandleNullChild() => new Padding().DrawWithoutChild();
-        
         private Padding GetPadding(TestPlan plan)
         {
             return new Padding()

QuestPDF.UnitTests/PageNumberTests.cs

@@ -1,10 +0,0 @@
-using NUnit.Framework;
-
-namespace QuestPDF.UnitTests
-{
-    [TestFixture]
-    public class PageNumberTests
-    {
-
-    }
-}

QuestPDF.UnitTests/QuestPDF.UnitTests.csproj

@@ -6,12 +6,11 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="FluentAssertions" Version="5.10.3" />
-        <PackageReference Include="Moq" Version="4.13.1" />
-        <PackageReference Include="nunit" Version="3.13.1" />
-        <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
+        <PackageReference Include="FluentAssertions" Version="6.1.0" />
+        <PackageReference Include="nunit" Version="3.13.2" />
+        <PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.0" />
-        <PackageReference Include="SkiaSharp" Version="2.80.2" />
+        <PackageReference Include="SkiaSharp" Version="2.80.3" />
     </ItemGroup>
 
     <ItemGroup>

QuestPDF.UnitTests/RotateTests.cs

@@ -0,0 +1,31 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class RotateTests
+    {
+        [Test]
+        public void Measure() => SimpleContainerTests.Measure<Rotate>();
+
+        [Test]
+        public void Draw()
+        {
+            TestPlan
+                .For(x => new Rotate
+                {
+                    Child = x.CreateChild(),
+                    Angle = 123
+                })
+                .DrawElement(new Size(400, 300))
+                .ExpectCanvasRotate(123)
+                .ExpectChildDraw(new Size(400, 300))
+                .ExpectCanvasRotate(-123)
+                .CheckDrawResult();
+        } 
+    }
+}

QuestPDF.UnitTests/RowTests.cs

@@ -1,6 +1,7 @@
 using NUnit.Framework;
 using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
+using QuestPDF.Fluent;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
 
@@ -109,8 +110,158 @@ namespace QuestPDF.UnitTests
 
         #endregion
         
-        // TODO: add tests for the spacing property
-        // TODO: add tests for the tree builder method
-        // TODO: add tests for relative column
+        #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 SimpleRow
+            {
+                Left = new SimpleRow
+                {
+                    Left = new SimpleRow
+                    {
+                        Left = new Constrained
+                        {
+                            MinWidth = 150,
+                            MaxWidth = 150,
+                            Child = childA
+                        },
+                        Right = new Constrained
+                        {
+                            MinWidth = 25,
+                            MaxWidth = 25
+                        }
+                    },
+                    Right = new SimpleRow
+                    {
+                        Left = new Constrained
+                        {
+                            MinWidth = 200,
+                            MaxWidth = 200,
+                            Child = childB
+                        },
+                        Right = new Constrained
+                        {
+                            MinWidth = 25,
+                            MaxWidth = 25
+                        }
+                    }
+                },
+                Right = new SimpleRow
+                {
+                    Left = new SimpleRow
+                    {
+                        Left = new Constrained
+                        {
+                            MinWidth = 250,
+                            MaxWidth = 250,
+                            Child = childC
+                        },
+                        Right = new Constrained
+                        {
+                            MinWidth = 25,
+                            MaxWidth = 25
+                        }
+                    },
+                    Right = new SimpleRow
+                    {
+                        Left = new Constrained
+                        {
+                            MinWidth = 200,
+                            MaxWidth = 200,
+                            Child = childD
+                        },
+                        Right = new SimpleRow
+                        {
+                            Left = new Constrained
+                            {
+                                MinWidth = 25,
+                                MaxWidth = 25
+                            },
+                            Right = new Constrained
+                            {
+                                MinWidth = 300,
+                                MaxWidth = 300,
+                                Child = childE
+                            }
+                        }
+                    }
+                }
+            };
+            
+            TestPlan.CompareOperations(value, expected, availableSpace);
+        }
+        
+        #endregion
     }
 }

QuestPDF.UnitTests/ScaleTests.cs

@@ -0,0 +1,152 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class ScaleTests
+    {
+        #region measure
+        
+        [Test]
+        public void Measure_Wrap()
+        {
+            TestPlan
+                .For(x => new Scale
+                {
+                    Child = x.CreateChild(),
+                    ScaleX = 3,
+                    ScaleY = 2
+                })
+                .MeasureElement(new Size(900, 800))
+                .ExpectChildMeasure(new Size(300, 400), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_PartialRender()
+        {
+            TestPlan
+                .For(x => new Scale
+                {
+                    Child = x.CreateChild(),
+                    ScaleX = 3,
+                    ScaleY = 2
+                })
+                .MeasureElement(new Size(900, 800))
+                .ExpectChildMeasure(new Size(300, 400), new PartialRender(200, 350))
+                .CheckMeasureResult(new PartialRender(600, 700));
+        }
+        
+        [Test]
+        public void Measure_FullRender()
+        {
+            TestPlan
+                .For(x => new Scale
+                {
+                    Child = x.CreateChild(),
+                    ScaleX = 3,
+                    ScaleY = 2
+                })
+                .MeasureElement(new Size(900, 800))
+                .ExpectChildMeasure(new Size(300, 400), new FullRender(250, 300))
+                .CheckMeasureResult(new FullRender(750, 600));
+        }
+        
+        [Test]
+        public void Measure_NegativeScaleX()
+        {
+            TestPlan
+                .For(x => new Scale
+                {
+                    Child = x.CreateChild(),
+                    ScaleX = -2,
+                    ScaleY = 1
+                })
+                .MeasureElement(new Size(800, 600))
+                .ExpectChildMeasure(new Size(400, 600), new FullRender(300, 500))
+                .CheckMeasureResult(new FullRender(600, 500));
+        }
+        
+        [Test]
+        public void Measure_NegativeScaleY()
+        {
+            TestPlan
+                .For(x => new Scale
+                {
+                    Child = x.CreateChild(),
+                    ScaleX = 1,
+                    ScaleY = -3
+                })
+                .MeasureElement(new Size(800, 600))
+                .ExpectChildMeasure(new Size(800, 200), new FullRender(800, 100))
+                .CheckMeasureResult(new FullRender(800, 300));
+        }
+        
+        #endregion
+        
+        #region draw
+        
+        [Test]
+        public void Draw_Simple()
+        {
+            TestPlan
+                .For(x => new Scale
+                {
+                    Child = x.CreateChild(),
+                    ScaleX = 3,
+                    ScaleY = 2
+                })
+                .DrawElement(new Size(900, 800))
+                .ExpectCanvasTranslate(0, 0)
+                .ExpectCanvasScale(3, 2)
+                .ExpectChildDraw(new Size(300, 400))
+                .ExpectCanvasScale(1/3f, 1/2f)
+                .ExpectCanvasTranslate(0, 0)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_NegativeScaleX()
+        {
+            TestPlan
+                .For(x => new Scale
+                {
+                    Child = x.CreateChild(),
+                    ScaleX = -3,
+                    ScaleY = 2
+                })
+                .DrawElement(new Size(900, 800))
+                .ExpectCanvasTranslate(900, 0)
+                .ExpectCanvasScale(-3, 2)
+                .ExpectChildDraw(new Size(300, 400))
+                .ExpectCanvasScale(-1/3f, 1/2f)
+                .ExpectCanvasTranslate(-900, 0)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_NegativeScaleY()
+        {
+            TestPlan
+                .For(x => new Scale
+                {
+                    Child = x.CreateChild(),
+                    ScaleX = 3,
+                    ScaleY = -2
+                })
+                .DrawElement(new Size(900, 800))
+                .ExpectCanvasTranslate(0, 800)
+                .ExpectCanvasScale(3, -2)
+                .ExpectChildDraw(new Size(300, 400))
+                .ExpectCanvasScale(1/3f, -1/2f)
+                .ExpectCanvasTranslate(0, -800)
+                .CheckDrawResult();
+        }
+        
+        #endregion
+    }
+}

QuestPDF.UnitTests/ShowEntireTests.cs

@@ -47,5 +47,8 @@ namespace QuestPDF.UnitTests
                 .ExpectChildMeasure(new Size(400, 300), new FullRender(300, 200))
                 .CheckMeasureResult(new FullRender(300, 200));
         }
+        
+        [Test]
+        public void Draw() => SimpleContainerTests.Draw<ShowEntire>();
     }
 }

QuestPDF.UnitTests/ShowOnceTest.cs

@@ -1,5 +1,4 @@
-using Moq;
-using NUnit.Framework;
+using NUnit.Framework;
 using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
@@ -11,33 +10,7 @@ namespace QuestPDF.UnitTests
     public class ShowOnceTest
     {
         [Test]
-        public void Measure_ShouldHandleNullChild() => new ShowOnce().MeasureWithoutChild();
-        
-        [Test]
-        public void Draw_ShouldHandleNullChild() => new ShowOnce().DrawWithoutChild();
-
-        [Test]
-        public void ShouldRenderOnce_WhenRenderingCalledMultipleTimes()
-        {
-            var child = new Mock<Element>();
-            
-            child
-                .Setup(x => x.Measure(It.IsAny<Size>()))
-                .Returns(() => new FullRender(Size.Zero));
-
-            var element = new ShowOnce()
-            {
-                Child = child.Object
-            };
-
-            element.Draw(Size.Zero);
-            element.Draw(Size.Zero);
-            
-            child.Verify(x => x.Draw(It.IsAny<Size>()), Times.Once);
-        }
-        
-        [Test]
-        public void Draw_HorizontalRight_VerticalTop()
+        public void Draw()
         {
             TestPlan
                 .For(x => new ShowOnce()

QuestPDF.UnitTests/SimpleRotateTests.cs

@@ -0,0 +1,162 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class SimpleRotateTests
+    {
+        #region measure
+        
+        [Test]
+        public void Measure_Wrap()
+        {
+            TestPlan
+                .For(x => new SimpleRotate
+                {
+                    Child = x.CreateChild(),
+                    TurnCount = 0
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure(new Size(400, 300), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_PartialRender()
+        {
+            TestPlan
+                .For(x => new SimpleRotate
+                {
+                    Child = x.CreateChild(),
+                    TurnCount = 0
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure(new Size(400, 300), new PartialRender(300, 200))
+                .CheckMeasureResult(new PartialRender(300, 200));
+        }
+        
+        [Test]
+        public void Measure_RotateRight()
+        {
+            TestPlan
+                .For(x => new SimpleRotate
+                {
+                    Child = x.CreateChild(),
+                    TurnCount = 1
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure(new Size(300, 400), new FullRender(200, 300))
+                .CheckMeasureResult(new FullRender(300, 200));
+        }
+        
+        [Test]
+        public void Measure_RotateFlip()
+        {
+            TestPlan
+                .For(x => new SimpleRotate
+                {
+                    Child = x.CreateChild(),
+                    TurnCount = 2
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure(new Size(400, 300), new FullRender(200, 100))
+                .CheckMeasureResult(new FullRender(200, 100));
+        }
+        
+        [Test]
+        public void Measure_RotateLeft()
+        {
+            TestPlan
+                .For(x => new SimpleRotate
+                {
+                    Child = x.CreateChild(),
+                    TurnCount = 3 // or -1
+                })
+                .MeasureElement(new Size(500, 400))
+                .ExpectChildMeasure(new Size(400, 500), new FullRender(300, 350))
+                .CheckMeasureResult(new FullRender(350, 300));
+        }
+        
+        #endregion
+        
+        #region draw
+        
+        [Test]
+        public void Draw_Simple()
+        {
+            TestPlan
+                .For(x => new SimpleRotate
+                {
+                    Child = x.CreateChild(),
+                    TurnCount = 0
+                })
+                .DrawElement(new Size(640, 480))
+                .ExpectCanvasTranslate(0, 0)
+                .ExpectCanvasRotate(0)
+                .ExpectChildDraw(new Size(640, 480))
+                .ExpectCanvasRotate(0)
+                .ExpectCanvasTranslate(0, 0)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_RotateRight()
+        {
+            TestPlan 
+                .For(x => new SimpleRotate
+                {
+                    Child = x.CreateChild(),
+                    TurnCount = 1
+                })
+                .DrawElement(new Size(640, 480))
+                .ExpectCanvasTranslate(640, 0)
+                .ExpectCanvasRotate(90)
+                .ExpectChildDraw(new Size(480, 640))
+                .ExpectCanvasRotate(-90)
+                .ExpectCanvasTranslate(-640, 0)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_RotateFlip()
+        {
+            TestPlan 
+                .For(x => new SimpleRotate
+                {
+                    Child = x.CreateChild(),
+                    TurnCount = 2
+                })
+                .DrawElement(new Size(640, 480))
+                .ExpectCanvasTranslate(640, 480)
+                .ExpectCanvasRotate(180)
+                .ExpectChildDraw(new Size(640, 480))
+                .ExpectCanvasRotate(-180)
+                .ExpectCanvasTranslate(-640, -480)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_RotateLeft()
+        {
+            TestPlan 
+                .For(x => new SimpleRotate
+                {
+                    Child = x.CreateChild(),
+                    TurnCount = 3 // or -1
+                })
+                .DrawElement(new Size(640, 480))
+                .ExpectCanvasTranslate(0, 480)
+                .ExpectCanvasRotate(270)
+                .ExpectChildDraw(new Size(480, 640))
+                .ExpectCanvasRotate(-270)
+                .ExpectCanvasTranslate(0, -480)
+                .CheckDrawResult();
+        }
+        
+        #endregion
+    }
+}

QuestPDF.UnitTests/StackTests.cs

@@ -1,6 +1,8 @@
-using NUnit.Framework;
+using FluentAssertions;
+using NUnit.Framework;
 using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
+using QuestPDF.Fluent;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
 
@@ -229,7 +231,81 @@ namespace QuestPDF.UnitTests
         
         #endregion
         
-        // TODO: add tests for the spacing property
-        // TODO: add tests for the tree builder method
+        #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 SimpleStack
+                {
+                    First = new SimpleStack
+                    {
+                        First = new Padding
+                        {
+                            Bottom = spacing,
+                            Child = childA
+                        },
+                        Second = new Padding
+                        {
+                            Bottom = spacing,
+                            Child = childB
+                        }
+                    },
+                    Second = new SimpleStack
+                    {
+                        First = new Padding
+                        {
+                            Bottom = spacing,
+                            Child = childC
+                        },
+                        Second = new SimpleStack
+                        {
+                            First = new Padding
+                            {
+                                Bottom = spacing,
+                                Child = childD
+                            },
+                            Second = new Padding
+                            {
+                                Bottom = spacing,
+                                Child = childE
+                            }
+                        }
+                    }
+                }
+            };
+
+            TestPlan.CompareOperations(structure, expected);
+        }
+        
+        #endregion
     }
 }

QuestPDF.UnitTests/TestEngine/MockCanvas.cs

@@ -4,41 +4,25 @@ using SkiaSharp;
 
 namespace QuestPDF.UnitTests.TestEngine
 {
-    internal class CanvasMock : ICanvas
+    internal class MockCanvas : ICanvas
     {
         public Action<Position> TranslateFunc { get; set; }
+        public Action<float> RotateFunc { get; set; }
+        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> 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 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 DrawLink(string url, Size size)
-        {
-            throw new NotImplementedException();
-        }
-
-        public Size MeasureText(string text, TextStyle style)
-        {
-            return new Size(text.Length * style.Size, style.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();
     }
 }

QuestPDF.UnitTests/TestEngine/OperationRecordingCanvas.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine.Operations;
+using SkiaSharp;
+
+namespace QuestPDF.UnitTests.TestEngine
+{
+    internal class OperationRecordingCanvas : ICanvas
+    {
+        public ICollection<OperationBase> Operations { get; } = new List<OperationBase>();
+
+        public void Translate(Position vector) => Operations.Add(new CanvasTranslateOperation(vector));
+        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 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();
+    }
+}

QuestPDF.UnitTests/TestEngine/Operations/CanvasDrawImageOperation.cs

@@ -2,12 +2,12 @@
 
 namespace QuestPDF.UnitTests.TestEngine.Operations
 {
-    internal class CanvasDrawImageOperationBase : OperationBase
+    internal class CanvasDrawImageOperation : OperationBase
     {
         public Position Position { get; }
         public Size Size { get; }
 
-        public CanvasDrawImageOperationBase(Position position, Size size)
+        public CanvasDrawImageOperation(Position position, Size size)
         {
             Position = position;
             Size = size;

QuestPDF.UnitTests/TestEngine/Operations/CanvasDrawRectangleOperation.cs

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

QuestPDF.UnitTests/TestEngine/Operations/CanvasDrawTextOperation.cs

@@ -2,13 +2,13 @@
 
 namespace QuestPDF.UnitTests.TestEngine.Operations
 {
-    internal class CanvasDrawTextOperationBase : OperationBase
+    internal class CanvasDrawTextOperation : OperationBase
     {
         public string Text { get; }
         public Position Position { get; }
         public TextStyle Style { get; }
 
-        public CanvasDrawTextOperationBase(string text, Position position, TextStyle style)
+        public CanvasDrawTextOperation(string text, Position position, TextStyle style)
         {
             Text = text;
             Position = position;

QuestPDF.UnitTests/TestEngine/Operations/CanvasRotateOperation.cs

@@ -0,0 +1,12 @@
+namespace QuestPDF.UnitTests.TestEngine.Operations
+{
+    public class CanvasRotateOperation : OperationBase
+    {
+        public float Angle { get; }
+
+        public CanvasRotateOperation(float angle)
+        {
+            Angle = angle;
+        }
+    }
+}

QuestPDF.UnitTests/TestEngine/Operations/CanvasScaleOperation.cs

@@ -0,0 +1,14 @@
+namespace QuestPDF.UnitTests.TestEngine.Operations
+{
+    public class CanvasScaleOperation : OperationBase
+    {
+        public float ScaleX { get; }
+        public float ScaleY { get; }
+
+        public CanvasScaleOperation(float scaleX, float scaleY)
+        {
+            ScaleX = scaleX;
+            ScaleY = scaleY;
+        }
+    }
+}

QuestPDF.UnitTests/TestEngine/Operations/CanvasTranslateOperation.cs

@@ -2,11 +2,11 @@
 
 namespace QuestPDF.UnitTests.TestEngine.Operations
 {
-    internal class CanvasTranslateOperationBase : OperationBase
+    internal class CanvasTranslateOperation : OperationBase
     {
         public Position Position { get; }
 
-        public CanvasTranslateOperationBase(Position position)
+        public CanvasTranslateOperation(Position position)
         {
             Position = position;
         }

QuestPDF.UnitTests/TestEngine/Operations/ChildDrawOperation.cs

@@ -2,12 +2,12 @@
 
 namespace QuestPDF.UnitTests.TestEngine.Operations
 {
-    public class ChildDrawOperationBase : OperationBase
+    public class ChildDrawOperation : OperationBase
     {
         public string ChildId { get; }
         public Size Input { get; }
 
-        public ChildDrawOperationBase(string childId, Size input)
+        public ChildDrawOperation(string childId, Size input)
         {
             ChildId = childId;
             Input = input;

QuestPDF.UnitTests/TestEngine/Operations/ChildMeasureOperation.cs

@@ -3,13 +3,13 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.UnitTests.TestEngine.Operations
 {
-    internal class ChildMeasureOperationBase : OperationBase
+    internal class ChildMeasureOperation : OperationBase
     {
         public string ChildId { get; }
         public Size Input { get; }
         public ISpacePlan Output { get; }
 
-        public ChildMeasureOperationBase(string childId, Size input, ISpacePlan output)
+        public ChildMeasureOperation(string childId, Size input, ISpacePlan output)
         {
             ChildId = childId;
             Input = input;

QuestPDF.UnitTests/TestEngine/Operations/ElementMeasureOperation.cs

@@ -2,9 +2,9 @@
 
 namespace QuestPDF.UnitTests.TestEngine.Operations
 {
-    public class ElementMeasureOperationBase : OperationBase
+    public class ElementMeasureOperation : OperationBase
     {
-        public ElementMeasureOperationBase(Size input)
+        public ElementMeasureOperation(Size input)
         {
             
         }

QuestPDF.UnitTests/TestEngine/SimpleContainerTests.cs

@@ -0,0 +1,68 @@
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.UnitTests.TestEngine
+{
+    internal static class SimpleContainerTests
+    {
+        #region measure
+        
+        public static void Measure<TElement>() where TElement : Element, IContainer, new()
+        {
+            Measure_Wrap<TElement>();
+            Measure_PartialRender<TElement>();
+            Measure_FullRender<TElement>();
+        }
+        
+        private static void Measure_Wrap<TElement>() where TElement : Element, IContainer, new()
+        {
+            TestPlan
+                .For(x => new TElement
+                {
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure(new Size(400, 300), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        private static void Measure_PartialRender<TElement>() where TElement : Element, IContainer, new()
+        {
+            TestPlan
+                .For(x => new TElement
+                {
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure(new Size(400, 300), new PartialRender(200, 100))
+                .CheckMeasureResult(new PartialRender(200, 100));
+        }
+        
+        private static void Measure_FullRender<TElement>() where TElement : Element, IContainer, new()
+        {
+            TestPlan
+                .For(x => new TElement
+                {
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure(new Size(400, 300), new FullRender(250, 150))
+                .CheckMeasureResult(new FullRender(250, 150));
+        }
+        
+        #endregion
+        
+        public static void Draw<TElement>() where TElement : Element, IContainer, new()
+        {
+            TestPlan
+                .For(x => new TElement
+                {
+                    Child = x.CreateChild()
+                })
+                .DrawElement(new Size(1200, 900))
+                .ExpectChildDraw(new Size(1200, 900))
+                .CheckDrawResult();
+        }
+    }
+}

QuestPDF.UnitTests/TestEngine/SingleChildTests.cs

@@ -1,31 +0,0 @@
-using FluentAssertions;
-using NUnit.Framework;
-using QuestPDF.Drawing.SpacePlan;
-using QuestPDF.Infrastructure;
-
-namespace QuestPDF.UnitTests.TestEngine
-{
-    public static class SingleChildTests
-    {
-        internal static void MeasureWithoutChild<T>(this T element) where T : ContainerElement
-        {
-            element.Child = null;
-            element.Measure(Size.Zero).Should().BeEquivalentTo(new FullRender(Size.Zero));
-        }
-        
-        internal static void DrawWithoutChild<T>(this T element) where T : ContainerElement
-        {
-            // component does not throw an exception when called with null child
-            Assert.DoesNotThrow(() =>
-            {
-                element.Child = null;
-                
-                // component does not perform any canvas operation when called with null child
-                TestPlan
-                    .For(x => element)
-                    .DrawElement(new Size(200, 100))
-                    .CheckDrawResult();
-            });
-        }
-    }
-}

QuestPDF.UnitTests/TestEngine/TestPlan.cs

@@ -1,7 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.Text.Json;
+using FluentAssertions;
 using NUnit.Framework;
+using QuestPDF.Drawing;
 using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Helpers;
@@ -13,6 +15,8 @@ namespace QuestPDF.UnitTests.TestEngine
     internal class TestPlan
     {
         private const string DefaultChildName = "child";
+
+        private static Random Random { get; } = new Random();
         
         private Element Element { get; set; }
         private ICanvas Canvas { get; }
@@ -45,20 +49,31 @@ namespace QuestPDF.UnitTests.TestEngine
         
         private ICanvas CreateCanvas()
         {
-            return new CanvasMock
+            return new MockCanvas
             {
                 TranslateFunc = position =>
                 {
-                    var expected = GetExpected<CanvasTranslateOperationBase>();
+                    var expected = GetExpected<CanvasTranslateOperation>();
 
                     Assert.AreEqual(expected.Position.X, position.X, "Translate X");
                     Assert.AreEqual(expected.Position.Y, position.Y, "Translate Y");
-                    
-                    //position.Should().BeEquivalentTo(expected.Position);
+                },
+                RotateFunc = angle =>
+                {
+                    var expected = GetExpected<CanvasRotateOperation>();
+
+                    Assert.AreEqual(expected.Angle, angle, "Rotate angle");
+                },
+                ScaleFunc = (scaleX, scaleY) =>
+                {
+                    var expected = GetExpected<CanvasScaleOperation>();
+
+                    Assert.AreEqual(expected.ScaleX, scaleX, "Scale X");
+                    Assert.AreEqual(expected.ScaleY, scaleY, "Scale Y");
                 },
                 DrawRectFunc = (position, size, color) =>
                 {
-                    var expected = GetExpected<CanvasDrawRectangleOperationBase>();
+                    var expected = GetExpected<CanvasDrawRectangleOperation>();
                     
                     Assert.AreEqual(expected.Position.X, position.X, "Draw rectangle: X");
                     Assert.AreEqual(expected.Position.Y, position.Y, "Draw rectangle: Y");
@@ -67,14 +82,10 @@ namespace QuestPDF.UnitTests.TestEngine
                     Assert.AreEqual(expected.Size.Height, size.Height, "Draw rectangle: height");
                     
                     Assert.AreEqual(expected.Color, color, "Draw rectangle: color");
-                    
-                    /*position.Should().BeEquivalentTo(expected.Position);
-                    size.Should().BeEquivalentTo(expected.Size);
-                    color.Should().Be(expected.Color);*/
                 },
                 DrawTextFunc = (text, position, style) => 
                 {
-                    var expected = GetExpected<CanvasDrawTextOperationBase>();
+                    var expected = GetExpected<CanvasDrawTextOperation>();
                     
                     Assert.AreEqual(expected.Text, text);
                     
@@ -84,23 +95,16 @@ namespace QuestPDF.UnitTests.TestEngine
                     Assert.AreEqual(expected.Style.Color, style.Color, "Draw text: color");
                     Assert.AreEqual(expected.Style.FontType, style.FontType, "Draw text: font");
                     Assert.AreEqual(expected.Style.Size, style.Size, "Draw text: size");
-
-                    /*text.Should().Be(expected.Text);
-                    position.Should().BeEquivalentTo(expected.Position);
-                    style.Should().BeEquivalentTo(expected.Style);*/
                 },
                 DrawImageFunc = (image, position, size) =>
                 {
-                    var expected = GetExpected<CanvasDrawImageOperationBase>();
+                    var expected = GetExpected<CanvasDrawImageOperation>();
                     
                     Assert.AreEqual(expected.Position.X, position.X, "Draw image: X");
                     Assert.AreEqual(expected.Position.Y, position.Y, "Draw image: Y");
                     
                     Assert.AreEqual(expected.Size.Width, size.Width, "Draw image: width");
                     Assert.AreEqual(expected.Size.Height, size.Height, "Draw image: height");
-                    
-                    /*position.Should().BeEquivalentTo(expected.Position);
-                    size.Should().BeEquivalentTo(expected.Size);*/
                 }
             };
         }
@@ -114,29 +118,23 @@ namespace QuestPDF.UnitTests.TestEngine
                 Id = id,
                 MeasureFunc = availableSpace =>
                 {
-                    var expected = GetExpected<ChildMeasureOperationBase>();
+                    var expected = GetExpected<ChildMeasureOperation>();
 
                     Assert.AreEqual(expected.ChildId, id);
                     
                     Assert.AreEqual(expected.Input.Width, availableSpace.Width, $"Measure: width of child '{expected.ChildId}'");
                     Assert.AreEqual(expected.Input.Height, availableSpace.Height, $"Measure: height of child '{expected.ChildId}'");
 
-                    // id.Should().Be(expected.ChildId);
-                    // availableSpace.Should().Be(expected.Input);
-
                     return expected.Output;
                 },
                 DrawFunc = availableSpace =>
                 {
-                    var expected = GetExpected<ChildDrawOperationBase>();
+                    var expected = GetExpected<ChildDrawOperation>();
 
                     Assert.AreEqual(expected.ChildId, id);
                     
                     Assert.AreEqual(expected.Input.Width, availableSpace.Width, $"Draw: width of child '{expected.ChildId}'");
                     Assert.AreEqual(expected.Input.Height, availableSpace.Height, $"Draw: width of child '{expected.ChildId}'");
-                    
-                    /*id.Should().Be(expected.ChildId);
-                    availableSpace.Should().Be(expected.Input);*/
                 }
             };
         }
@@ -166,7 +164,7 @@ namespace QuestPDF.UnitTests.TestEngine
         
         public TestPlan ExpectChildMeasure(string child, Size expectedInput, ISpacePlan returns)
         {
-            return AddOperation(new ChildMeasureOperationBase(child, expectedInput, returns));
+            return AddOperation(new ChildMeasureOperation(child, expectedInput, returns));
         }
         
         public TestPlan ExpectChildDraw(Size expectedInput)
@@ -176,32 +174,42 @@ namespace QuestPDF.UnitTests.TestEngine
         
         public TestPlan ExpectChildDraw(string child, Size expectedInput)
         {
-            return AddOperation(new ChildDrawOperationBase(child, expectedInput));
+            return AddOperation(new ChildDrawOperation(child, expectedInput));
         }
 
         public TestPlan ExpectCanvasTranslate(Position position)
         {
-            return AddOperation(new CanvasTranslateOperationBase(position));
+            return AddOperation(new CanvasTranslateOperation(position));
         }
         
         public TestPlan ExpectCanvasTranslate(float left, float top)
         {
-            return AddOperation(new CanvasTranslateOperationBase(new Position(left, top)));
+            return AddOperation(new CanvasTranslateOperation(new Position(left, top)));
         }
 
+        public TestPlan ExpectCanvasScale(float scaleX, float scaleY)
+        {
+            return AddOperation(new CanvasScaleOperation(scaleX, scaleY));
+        }
+        
+        public TestPlan ExpectCanvasRotate(float angle)
+        {
+            return AddOperation(new CanvasRotateOperation(angle));
+        }
+        
         public TestPlan ExpectCanvasDrawRectangle(Position position, Size size, string color)
         {
-            return AddOperation(new CanvasDrawRectangleOperationBase(position, size, color));
+            return AddOperation(new CanvasDrawRectangleOperation(position, size, color));
         }
         
         public TestPlan ExpectCanvasDrawText(string text, Position position, TextStyle style)
         {
-            return AddOperation(new CanvasDrawTextOperationBase(text, position, style));
+            return AddOperation(new CanvasDrawTextOperation(text, position, style));
         }
         
         public TestPlan ExpectCanvasDrawImage(Position position, Size size)
         {
-            return AddOperation(new CanvasDrawImageOperationBase(position, size));
+            return AddOperation(new CanvasDrawImageOperation(position, size));
         }
         
         public TestPlan CheckMeasureResult(ISpacePlan expected)
@@ -246,10 +254,51 @@ namespace QuestPDF.UnitTests.TestEngine
         
         public static Element CreateUniqueElement()
         {
-            return new DynamicImage
+            return new Constrained
             {
-                Source = Placeholders.Image
+                MinWidth = 90,
+                MinHeight = 60,
+                
+                Child = new DynamicImage
+                {
+                    Source = Placeholders.Image
+                }
             };
         }
+
+        public static void CompareOperations(Element value, Element expected, Size? availableSpace = null)
+        {
+            CompareMeasureOperations(value, expected, availableSpace);
+            CompareDrawOperations(value, expected, availableSpace);
+        }
+        
+        private static void CompareMeasureOperations(Element value, Element expected, Size? availableSpace = null)
+        {
+            availableSpace ??= new Size(400, 300);
+            
+            var canvas = new FreeCanvas();
+            value.HandleVisitor(x => x.Initialize(null, canvas));
+            var valueMeasure = value.Measure(availableSpace);
+            
+            expected.HandleVisitor(x => x.Initialize(null, canvas));
+            var expectedMeasure = expected.Measure(availableSpace);
+            
+            valueMeasure.Should().BeEquivalentTo(expectedMeasure);
+        }
+        
+        private static void CompareDrawOperations(Element value, Element expected, Size? availableSpace = null)
+        {
+            availableSpace ??= new Size(400, 300);
+            
+            var valueCanvas = new OperationRecordingCanvas();
+            value.HandleVisitor(x => x.Initialize(null, valueCanvas));
+            value.Draw(availableSpace);
+            
+            var expectedCanvas = new OperationRecordingCanvas();
+            expected.HandleVisitor(x => x.Initialize(null, expectedCanvas));
+            expected.Draw(availableSpace);
+            
+            valueCanvas.Operations.Should().BeEquivalentTo(expectedCanvas.Operations);
+        }
     }
 }

QuestPDF.UnitTests/TestsBase.cs

@@ -0,0 +1,22 @@
+using FluentAssertions;
+using NUnit.Framework;
+
+namespace QuestPDF.UnitTests
+{
+    [SetUpFixture]
+    public class TestsBase
+    {
+        [OneTimeSetUp]
+        public void RunBeforeAnyTests()
+        {
+            AssertionOptions.AssertEquivalencyUsing(options => options
+                .IncludingNestedObjects()
+                .IncludingInternalProperties()
+                .IncludingInternalFields()
+                .AllowingInfiniteRecursion()
+                .RespectingRuntimeTypes()
+                .WithTracing()
+                .WithStrictOrdering());
+        }
+    }
+}

QuestPDF.UnitTests/TextTests.cs

@@ -1,10 +0,0 @@
-using NUnit.Framework;
-
-namespace QuestPDF.UnitTests
-{
-    [TestFixture]
-    public class TextTests
-    {
-        
-    }
-}

QuestPDF.UnitTests/TranslateTests.cs

@@ -0,0 +1,32 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class TranslateTests
+    {
+        [Test]
+        public void Measure() => SimpleContainerTests.Measure<Translate>();
+        
+        [Test]
+        public void Draw()
+        {
+            TestPlan
+                .For(x => new Translate
+                {
+                    Child = x.CreateChild(),
+                    TranslateX = 50,
+                    TranslateY = 75
+                })
+                .DrawElement(new Size(400, 300))
+                .ExpectCanvasTranslate(50, 75)
+                .ExpectChildDraw(new Size(400, 300))
+                .ExpectCanvasTranslate(-50, -75)
+                .CheckDrawResult();
+        }
+    }
+}

QuestPDF.UnitTests/UnconstrainedTests.cs

@@ -0,0 +1,100 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class UnconstrainedTests
+    {
+        #region measure
+        
+        [Test]
+        public void Measure_Wrap()
+        {
+            TestPlan
+                .For(x => new Unconstrained
+                {
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(900, 800))
+                .ExpectChildMeasure(Size.Max, new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_PartialRender()
+        {
+            TestPlan
+                .For(x => new Unconstrained
+                {
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(900, 800))
+                .ExpectChildMeasure(Size.Max, new PartialRender(1200, 1600))
+                .CheckMeasureResult(new PartialRender(Size.Zero));
+        }
+        
+        [Test]
+        public void Measure_FullRender()
+        {
+            TestPlan
+                .For(x => new Unconstrained
+                {
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(900, 800))
+                .ExpectChildMeasure(Size.Max, new FullRender(1200, 1600))
+                .CheckMeasureResult(new FullRender(Size.Zero));
+        }
+        
+        #endregion
+        
+        #region draw
+        
+        [Test]
+        public void Draw_SkipWhenChildWraps()
+        {
+            TestPlan
+                .For(x => new Unconstrained
+                {
+                    Child = x.CreateChild()
+                })
+                .DrawElement(new Size(900, 800))
+                .ExpectChildMeasure(Size.Max, new Wrap())
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_WhenChildPartiallyRenders()
+        {
+            TestPlan
+                .For(x => new Unconstrained
+                {
+                    Child = x.CreateChild()
+                })
+                .DrawElement(new Size(900, 800))
+                .ExpectChildMeasure(Size.Max, new PartialRender(1200, 1600))
+                .ExpectChildDraw(new Size(1200, 1600))
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_WhenChildFullyRenders()
+        {
+            TestPlan
+                .For(x => new Unconstrained
+                {
+                    Child = x.CreateChild()
+                })
+                .DrawElement(new Size(900, 800))
+                .ExpectChildMeasure(Size.Max, new FullRender(1600, 1000))
+                .ExpectChildDraw(new Size(1600, 1000))
+                .CheckDrawResult();
+        }
+        
+        #endregion
+    }
+}

QuestPDF/Drawing/CanvasCache.cs

@@ -1,49 +0,0 @@
-using System.Collections.Concurrent;
-using QuestPDF.Infrastructure;
-using SkiaSharp;
-
-namespace QuestPDF.Drawing
-{
-    internal static class CanvasCache
-    {
-        internal static ConcurrentDictionary<string, SKPaint> Paints = new ConcurrentDictionary<string, SKPaint>();
-        private static ConcurrentDictionary<string, SKFontMetrics> FontMetrics = new ConcurrentDictionary<string, SKFontMetrics>();
-        private static ConcurrentDictionary<string, SKPaint> ColorPaint = new ConcurrentDictionary<string, SKPaint>();
-
-        internal static SKPaint ColorToPaint(this string color)
-        {
-            return ColorPaint.GetOrAdd(color, Convert);
-
-            static SKPaint Convert(string color)
-            {
-                return new SKPaint
-                {
-                    Color = SKColor.Parse(color)
-                };
-            }
-        }
-        
-        internal static SKPaint ToPaint(this TextStyle style)
-        {
-            return Paints.GetOrAdd(style.ToString(), key => Convert(style));
-            
-            static SKPaint Convert(TextStyle style)
-            {
-                var slant = style.IsItalic ? SKFontStyleSlant.Italic : SKFontStyleSlant.Upright;
-                
-                return new SKPaint
-                {
-                    Color = SKColor.Parse(style.Color),
-                    Typeface = SKTypeface.FromFamilyName(style.FontType, (int)style.FontWeight, (int)SKFontStyleWidth.Normal, slant),
-                    TextSize = style.Size,
-                    TextEncoding = SKTextEncoding.Utf32
-                };
-            }
-        }
-
-        internal static SKFontMetrics ToFontMetrics(this TextStyle style)
-        {
-            return FontMetrics.GetOrAdd(style.ToString(), key => style.ToPaint().FontMetrics);
-        }
-    }
-}

QuestPDF/Drawing/DocumentGenerator.cs

@@ -1,9 +1,12 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using QuestPDF.Drawing.Exceptions;
 using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
+using QuestPDF.Elements.Text;
+using QuestPDF.Elements.Text.Items;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Drawing
@@ -56,7 +59,10 @@ namespace QuestPDF.Drawing
                 var spacePlan = content.Measure(Size.Max) as Size;
 
                 if (spacePlan == null)
-                    break;
+                {
+                    canvas.EndDocument();
+                    ThrowLayoutException();
+                }
 
                 try
                 {
@@ -74,7 +80,7 @@ namespace QuestPDF.Drawing
                 if (currentPage >= documentMetadata.DocumentLayoutExceptionThreshold)
                 {
                     canvas.EndDocument();
-                    throw new DocumentLayoutException("Composed layout generates infinite document.");
+                    ThrowLayoutException();
                 }
                 
                 if (spacePlan is FullRender)
@@ -84,6 +90,38 @@ namespace QuestPDF.Drawing
             }
             
             canvas.EndDocument();
+            
+            void ThrowLayoutException()
+            {
+                throw new DocumentLayoutException(
+                    $"Composed layout generates infinite document. This may happen in two cases. " +
+                    $"1) Your document and its layout configuration is correct but the content takes more than {documentMetadata.DocumentLayoutExceptionThreshold} pages. " +
+                    $"In this case, please increase the value {nameof(DocumentMetadata)}.{nameof(DocumentMetadata.DocumentLayoutExceptionThreshold)} property configured in the {nameof(IDocument.GetMetadata)} method. " +
+                    $"2) The layout configuration of your document is invalid. Some of the elements require more space than is provided." +
+                    $"Please analyze your documents structure to detect this element and fix its size constraints.");
+            }
+        }
+
+        internal static void ApplyDefaultTextStyle(this Element content, TextStyle documentDefaultTextStyle)
+        {
+            documentDefaultTextStyle.ApplyGlobalStyle(TextStyle.LibraryDefault);
+            
+            content.HandleVisitor(element =>
+            {
+                var text = element as TextBlock;
+                
+                if (text == null)
+                    return;
+
+                foreach (var child in text.Children)
+                {
+                    if (child is TextBlockSpan textSpan)
+                        textSpan.Style.ApplyGlobalStyle(documentDefaultTextStyle);
+
+                    if (child is TextBlockElement textElement)
+                        ApplyDefaultTextStyle(textElement.Element, documentDefaultTextStyle);
+                }
+            });
         }
     }
 }

QuestPDF/Drawing/FontManager.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Concurrent;
+using System.IO;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+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>();
+
+        public static void RegisterFontType(string fontName, Stream stream)
+        {
+            Typefaces.TryAdd(fontName, SKTypeface.FromStream(stream));
+        }
+        
+        internal static SKPaint ColorToPaint(this string color)
+        {
+            return ColorPaint.GetOrAdd(color, Convert);
+
+            static SKPaint Convert(string color)
+            {
+                return new SKPaint
+                {
+                    Color = SKColor.Parse(color)
+                };
+            }
+        }
+        
+        internal static SKPaint ToPaint(this TextStyle style)
+        {
+            return Paints.GetOrAdd(style.Key, 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
+                };
+            }
+
+            static SKTypeface GetTypeface(TextStyle style)
+            {
+                if (Typefaces.TryGetValue(style.FontType, out var result))
+                    return result;
+                
+                var slant = (style.IsItalic ?? false) ? SKFontStyleSlant.Italic : SKFontStyleSlant.Upright;
+                
+                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.");
+            }
+        }
+
+        internal static SKFontMetrics ToFontMetrics(this TextStyle style)
+        {
+            return FontMetrics.GetOrAdd(style.Key, key => style.ToPaint().FontMetrics);
+        }
+    }
+}

QuestPDF/Drawing/FreeCanvas.cs

@@ -66,6 +66,16 @@ namespace QuestPDF.Drawing
             
         }
 
+        public void Rotate(float angle)
+        {
+            
+        }
+
+        public void Scale(float scaleX, float scaleY)
+        {
+            
+        }
+
         #endregion
     }
 }

QuestPDF/Drawing/SkiaCanvasBase.cs

@@ -51,5 +51,15 @@ namespace QuestPDF.Drawing
         {
             Canvas.DrawNamedDestinationAnnotation(new SKPoint(0, 0), locationName);
         }
+
+        public void Rotate(float angle)
+        {
+            Canvas.RotateDegrees(angle);
+        }
+
+        public void Scale(float scaleX, float scaleY)
+        {
+            Canvas.Scale(scaleX, scaleY);
+        }
     }
 }

QuestPDF/Elements/Constrained.cs

@@ -22,8 +22,8 @@ namespace QuestPDF.Elements
                 return new Wrap();
             
             var available = new Size(
-                MathHelpers.Min(MaxWidth, availableSpace.Width),
-                MathHelpers.Min(MaxHeight, availableSpace.Height));
+                Min(MaxWidth, availableSpace.Width),
+                Min(MaxHeight, availableSpace.Height));
 
             var measurement = Child?.Measure(available) ?? new FullRender(Size.Zero);
             var size = measurement as Size;
@@ -32,8 +32,8 @@ namespace QuestPDF.Elements
                 return new Wrap();
             
             var actualSize = new Size(
-                MathHelpers.Max(MinWidth, size.Width),
-                MathHelpers.Max(MinHeight, size.Height));
+                Max(MinWidth, size.Width),
+                Max(MinHeight, size.Height));
             
             if (size is FullRender)
                 return new FullRender(actualSize);
@@ -47,23 +47,20 @@ namespace QuestPDF.Elements
         internal override void Draw(Size availableSpace)
         {
             var available = new Size(
-                MathHelpers.Min(MaxWidth, availableSpace.Width),
-                MathHelpers.Min(MaxHeight, availableSpace.Height));
+                Min(MaxWidth, availableSpace.Width),
+                Min(MaxHeight, availableSpace.Height));
             
             Child?.Draw(available);
         }
-    }
-    
-    static class MathHelpers
-    {
-        public static float Min(params float?[] values)
+        
+        private static float Min(float? x, float y)
         {
-            return values.Where(x => x.HasValue).Min().Value;
+            return x.HasValue ? Math.Min(x.Value, y) : y; 
         }
         
-        public static float Max(params float?[] values)
+        private static float Max(float? x, float y)
         {
-            return values.Where(x => x.HasValue).Max().Value;
+            return x.HasValue ? Math.Max(x.Value, y) : y;
         }
     }
 }

QuestPDF/Elements/Grid.cs

@@ -2,7 +2,6 @@
 using System.Linq;
 using QuestPDF.Fluent;
 using QuestPDF.Infrastructure;
-using static QuestPDF.Infrastructure.HorizontalAlignment;
 
 namespace QuestPDF.Elements
 {
@@ -16,11 +15,11 @@ namespace QuestPDF.Elements
     {
         public const int DefaultColumnsCount = 12;
         
-        public List<GridElement> Children { get; set; } = new List<GridElement>();
+        public List<GridElement> Children { get; } = new List<GridElement>();
         public Queue<GridElement> ChildrenQueue { get; set; } = new Queue<GridElement>();
         public int ColumnsCount { get; set; } = DefaultColumnsCount;
 
-        public HorizontalAlignment Alignment { get; set; } = Left;
+        public HorizontalAlignment Alignment { get; set; } = HorizontalAlignment.Left;
         public float VerticalSpacing { get; set; } = 0;
         public float HorizontalSpacing { get; set; } = 0;
         
@@ -62,15 +61,15 @@ namespace QuestPDF.Elements
             var emptySpace = ColumnsCount - columnsWidth;
             var hasEmptySpace = emptySpace >= Size.Epsilon;
 
-            if (Alignment == Center)
+            if (Alignment == HorizontalAlignment.Center)
                 emptySpace /= 2;
             
-            if (hasEmptySpace && Alignment != Left)
+            if (hasEmptySpace && Alignment != HorizontalAlignment.Left)
                 row.RelativeColumn(emptySpace);
                 
             elements.ForEach(x => row.RelativeColumn(x.Columns).Element(x.Child));
 
-            if (hasEmptySpace && Alignment != Right)
+            if (hasEmptySpace && Alignment != HorizontalAlignment.Right)
                 row.RelativeColumn(emptySpace);
         }
     }

QuestPDF/Elements/Inlined.cs

@@ -0,0 +1,257 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class InlinedElement : Container
+    {
+        public ISpacePlan? MeasureCache { get; set; }
+
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            // TODO: once element caching proxy is introduces, this can be removed
+            
+            MeasureCache ??= Child.Measure(Size.Max);
+            return MeasureCache;
+        }
+    }
+
+    internal enum InlinedAlignment
+    {
+        Left,
+        Center,
+        Right,
+        Justify,
+        SpaceAround
+    }
+    
+    internal class Inlined : Element, IStateResettable
+    {
+        public List<InlinedElement> Elements { get; internal set; } = new List<InlinedElement>();
+        private Queue<InlinedElement> ChildrenQueue { get; set; }
+
+        internal float VerticalSpacing { get; set; }
+        internal float HorizontalSpacing { get; set; }
+        
+        internal InlinedAlignment ElementsAlignment { get; set; }
+        internal VerticalAlignment BaselineAlignment { get; set; }
+        
+        public void ResetState()
+        {
+            ChildrenQueue = new Queue<InlinedElement>(Elements);
+        }
+        
+        internal override void HandleVisitor(Action<Element?> visit)
+        {
+            Elements.ForEach(x => x.HandleVisitor(visit));
+            base.HandleVisitor(visit);
+        }
+
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            if (!ChildrenQueue.Any())
+                return new FullRender(Size.Zero);
+            
+            var lines = Compose(availableSpace);
+
+            if (!lines.Any())
+                return new Wrap();
+
+            var lineSizes = lines
+                .Select(line =>
+                {
+                    var size = GetLineSize(line);
+                    var heightWithSpacing = size.Height + (line.Count - 1) * HorizontalSpacing;
+                    return new Size(size.Width, heightWithSpacing);
+                })
+                .ToList();
+            
+            var width = lineSizes.Max(x => x.Width);
+            var height = lineSizes.Sum(x => x.Height) + (lines.Count - 1) * VerticalSpacing;
+            var targetSize = new Size(width, height);
+
+            var isPartiallyRendered = lines.Sum(x => x.Count) != ChildrenQueue.Count;
+
+            if (isPartiallyRendered)
+                return new PartialRender(targetSize);
+            
+            return new FullRender(targetSize);
+        }
+
+        internal override void Draw(Size availableSpace)
+        {
+            var lines = Compose(availableSpace);
+            var topOffset = 0f;
+            
+            foreach (var line in lines)
+            {
+                var height = line.Select(x => x.Measure(Size.Max) as Size).Where(x => x != null).Max(x => x.Height);
+                DrawLine(line);
+
+                topOffset += height + VerticalSpacing;
+                Canvas.Translate(new Position(0, height + VerticalSpacing));
+            }
+            
+            Canvas.Translate(new Position(0, -topOffset));
+            lines.SelectMany(x => x).ToList().ForEach(x => ChildrenQueue.Dequeue());
+
+            void DrawLine(ICollection<InlinedElement> elements)
+            {
+                var lineSize = GetLineSize(elements);
+
+                var elementOffset = ElementOffset();
+                var leftOffset = AlignOffset();
+                Canvas.Translate(new Position(leftOffset, 0));
+                
+                foreach (var element in elements)
+                {
+                    var size = element.Measure(Size.Max) as Size;
+                    var baselineOffset = BaselineOffset(size, lineSize.Height);
+                    
+                    Canvas.Translate(new Position(0, baselineOffset));
+                    element.Draw(size);
+                    Canvas.Translate(new Position(0, -baselineOffset));
+
+                    leftOffset += size.Width + elementOffset;
+                    Canvas.Translate(new Position(size.Width + elementOffset, 0));
+                }
+                
+                Canvas.Translate(new Position(-leftOffset, 0));
+
+                float ElementOffset()
+                {
+                    var difference = availableSpace.Width - lineSize.Width;
+
+                    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;
+                }
+
+                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;
+                }
+                
+                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;
+                }
+            }
+        }
+
+        Size GetLineSize(ICollection<InlinedElement> elements)
+        {
+            var sizes = elements
+                .Select(x => x.Measure(Size.Max) as Size)
+                .Where(x => x != null)
+                .ToList();
+            
+            var width = sizes.Sum(x => x.Width);
+            var height = sizes.Max(x => x.Height);
+
+            return new Size(width, height);
+        }
+        
+        // list of lines, each line is a list of elements
+        private ICollection<ICollection<InlinedElement>> Compose(Size availableSize)
+        {
+            var queue = new Queue<InlinedElement>(ChildrenQueue);
+            var result = new List<ICollection<InlinedElement>>();
+
+            var topOffset = 0f;
+            
+            while (true)
+            {
+                var line = GetNextLine();
+                
+                if (!line.Any())
+                    break;
+
+                var height = line
+                    .Select(x => x.Measure(availableSize) as Size)
+                    .Where(x => x != null)
+                    .Max(x => x.Height);
+                
+                if (topOffset + height > availableSize.Height + Size.Epsilon)
+                    break;
+
+                topOffset += height + VerticalSpacing;
+                result.Add(line);
+            }
+
+            return result;
+
+            ICollection<InlinedElement> GetNextLine()
+            {
+                var result = new List<InlinedElement>();
+                var leftOffset = GetInitialAlignmentOffset();
+                
+                while (true)
+                {
+                    if (!queue.Any())
+                        break;
+                    
+                    var element = queue.Peek();
+                    var size = element.Measure(Size.Max) as Size;
+                    
+                    if (size == null)
+                        break;
+                    
+                    if (leftOffset + size.Width > availableSize.Width + Size.Epsilon)
+                        break;
+
+                    queue.Dequeue();
+                    leftOffset += size.Width + HorizontalSpacing;
+                    result.Add(element);    
+                }
+
+                return result;
+            }
+
+            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;
+            }
+        }
+    }
+}

QuestPDF/Elements/Page.cs

@@ -1,3 +1,5 @@
+using System;
+using QuestPDF.Drawing;
 using QuestPDF.Fluent;
 using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
@@ -6,6 +8,8 @@ namespace QuestPDF.Elements
 {
     internal class Page : IComponent
     {
+        public TextStyle DefaultTextStyle { get; set; } = new TextStyle();
+        
         public Size MinSize { get; set; } = PageSizes.A4;
         public Size MaxSize { get; set; } = PageSizes.A4;
 
@@ -14,6 +18,8 @@ namespace QuestPDF.Elements
         public float MarginTop { get; set; }
         public float MarginBottom { get; set; }
 
+        public string BackgroundColor { get; set; } = Colors.Transparent;
+        
         public Element Header { get; set; } = Empty.Instance;
         public Element Content { get; set; } = Empty.Instance;
         public Element Footer { get; set; } = Empty.Instance;
@@ -21,12 +27,13 @@ namespace QuestPDF.Elements
         public void Compose(IContainer container)
         {
             container
-
                 .MinWidth(MinSize.Width)
                 .MinHeight(MinSize.Height)
                 
                 .MaxWidth(MaxSize.Width)
                 .MaxHeight(MaxSize.Height)
+                
+                .Background(BackgroundColor)
      
                 .PaddingLeft(MarginLeft)
                 .PaddingRight(MarginRight)
@@ -36,9 +43,22 @@ namespace QuestPDF.Elements
                 .Decoration(decoration =>
                 {
                     decoration.Header().Element(Header);
-                    decoration.Content().Extend().Element(Content);
+                    
+                    decoration
+                        .Content()
+                        .Element(x => IsClose(MinSize.Width, MaxSize.Width) ? x.ExtendHorizontal() : x)
+                        .Element(x => IsClose(MinSize.Height, MaxSize.Height) ? x.ExtendVertical() : x)
+                        .Element(Content);
+                    
                     decoration.Footer().Element(Footer);
                 });
+
+            (container as Element).ApplyDefaultTextStyle(DefaultTextStyle);
+            
+            bool IsClose(float x, float y)
+            {
+                return Math.Abs(x - y) < Size.Epsilon;
+            }
         }
     }
 }

QuestPDF/Elements/Rotate.cs

@@ -8,16 +8,9 @@ namespace QuestPDF.Elements
 
         internal override void Draw(Size availableSpace)
         {
-            var skiaCanvas = (Canvas as Drawing.SkiaCanvasBase)?.Canvas;
-            
-            if (skiaCanvas == null)
-                return;
-            
-            var currentMatrix = skiaCanvas.TotalMatrix;
-            
-            skiaCanvas.RotateDegrees(Angle);
+            Canvas.Rotate(Angle);
             Child?.Draw(availableSpace);
-            skiaCanvas.SetMatrix(currentMatrix);
+            Canvas.Rotate(-Angle);
         }
     }
 }

QuestPDF/Elements/Row.cs

@@ -6,29 +6,31 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal abstract class RowElement : ContainerElement
+    internal abstract class RowElement : Constrained
     {
-        public float Width { get; set; } = 1;
+        public float Size { get; protected set;  }
         
-        internal override void Draw(Size availableSpace)
+        public void SetWidth(float width)
         {
-            Child?.Draw(availableSpace);
+            MinWidth = width;
+            MaxWidth = width;
         }
     }
     
     internal class ConstantRowElement : RowElement
     {
-        public ConstantRowElement(float width)
+        public ConstantRowElement(float size)
         {
-            Width = width;
+            Size = size;
+            SetWidth(size);
         }
     }
     
     internal class RelativeRowElement : RowElement
     {
-        public RelativeRowElement(float width)
+        public RelativeRowElement(float size)
         {
-            Width = width;
+            Size = size;
         }
     }
     
@@ -83,70 +85,61 @@ namespace QuestPDF.Elements
     
     internal class Row : Element
     {
-        public ICollection<RowElement> Children { get; internal set; } = new List<RowElement>();
         public float Spacing { get; set; } = 0;
-
+        
+        public ICollection<RowElement> Children { get; internal set; } = new List<RowElement>();
+        private Element? RootElement { get; set; }
+        
         internal override void HandleVisitor(Action<Element?> visit)
         {
-            Children.ToList().ForEach(x => x.HandleVisitor(visit));
+            if (RootElement == null)
+                ComposeTree();
+            
+            RootElement.HandleVisitor(visit);
             base.HandleVisitor(visit);
         }
 
         internal override ISpacePlan Measure(Size availableSpace)
         {
-            return Compose(availableSpace.Width).Measure(availableSpace);
+            UpdateElementsWidth(availableSpace.Width);
+            return RootElement.Measure(availableSpace);
         }
 
         internal override void Draw(Size availableSpace)
         {
-            Compose(availableSpace.Width).Draw(availableSpace);
+            UpdateElementsWidth(availableSpace.Width);
+            RootElement.Draw(availableSpace);
         }
         
         #region structure
         
-        private Element Compose(float availableWidth)
+        private void ComposeTree()
         {
-            var elements = AddSpacing(Children, Spacing);
-            var rowElements = ReduceRows(elements, availableWidth);
-            var tree = BuildTree(rowElements.ToArray());
-            tree.HandleVisitor(x => x.Initialize(PageContext, Canvas));
+            Children = AddSpacing(Children, Spacing);
             
-            return tree;
+            var elements = Children.Cast<Element>().ToArray();
+            RootElement = BuildTree(elements);
         }
-        
-        private static ICollection<Element> ReduceRows(ICollection<RowElement> elements, float availableWidth)
+
+        private void UpdateElementsWidth(float availableWidth)
         {
-            var constantWidth = elements
+            var constantWidth = Children
                 .Where(x => x is ConstantRowElement)
                 .Cast<ConstantRowElement>()
-                .Sum(x => x.Width);
+                .Sum(x => x.Size);
         
-            var relativeWidth = elements
+            var relativeWidth = Children
                 .Where(x => x is RelativeRowElement)
                 .Cast<RelativeRowElement>()
-                .Sum(x => x.Width);
+                .Sum(x => x.Size);
 
             var widthPerRelativeUnit = (availableWidth - constantWidth) / relativeWidth;
             
-            return elements
-                .Select(x =>
-                {
-                    if (x is RelativeRowElement r)
-                        return new ConstantRowElement(r.Width * widthPerRelativeUnit)
-                        {
-                            Child = x.Child
-                        };
-                    
-                    return x;
-                })
-                .Select(x => new Constrained
-                {
-                    MinWidth = x.Width,
-                    MaxWidth = x.Width,
-                    Child = x.Child
-                })
-                .Cast<Element>()
-                .ToList();
+            Children
+                .Where(x => x is RelativeRowElement)
+                .Cast<RelativeRowElement>()
+                .ToList()
+                .ForEach(x => x.SetWidth(x.Size * widthPerRelativeUnit));
         }
         
         private static ICollection<RowElement> AddSpacing(ICollection<RowElement> elements, float spacing)

QuestPDF/Elements/Scale.cs

@@ -35,26 +35,21 @@ namespace QuestPDF.Elements
         
         internal override void Draw(Size availableSpace)
         {
-            var skiaCanvas = (Canvas as Drawing.SkiaCanvasBase)?.Canvas;
-            
-            if (skiaCanvas == null)
-                return;
-            
             var targetSpace = new Size(
                 Math.Abs(availableSpace.Width / ScaleX), 
                 Math.Abs(availableSpace.Height / ScaleY));
 
-            var currentMatrix = skiaCanvas.TotalMatrix;
+            var translate = new Position(
+                ScaleX < 0 ? availableSpace.Width : 0,
+                ScaleY < 0 ? availableSpace.Height : 0);
             
-            if (ScaleX < 0)
-                skiaCanvas.Translate(availableSpace.Width, 0);
+            Canvas.Translate(translate);
+            Canvas.Scale(ScaleX, ScaleY);
             
-            if (ScaleY < 0)
-                skiaCanvas.Translate(0, availableSpace.Height);
-            
-            skiaCanvas.Scale(ScaleX, ScaleY);
             Child?.Draw(targetSpace);
-            skiaCanvas.SetMatrix(currentMatrix);
+             
+            Canvas.Scale(1/ScaleX, 1/ScaleY);
+            Canvas.Translate(translate.Reverse());
         }
     }
 }

QuestPDF/Elements/SimpleRotate.cs

@@ -33,26 +33,22 @@ namespace QuestPDF.Elements
         
         internal override void Draw(Size availableSpace)
         {
-            var skiaCanvas = (Canvas as Drawing.SkiaCanvasBase)?.Canvas;
+            var translate = new Position(
+                (NormalizedTurnCount == 1 || NormalizedTurnCount == 2) ? availableSpace.Width : 0,
+                (NormalizedTurnCount == 2 || NormalizedTurnCount == 3) ? availableSpace.Height : 0);
+
+            var rotate = NormalizedTurnCount * 90;
             
-            if (skiaCanvas == null)
-                return;
-
-            var currentMatrix = skiaCanvas.TotalMatrix;
-
-            if (NormalizedTurnCount == 1 || NormalizedTurnCount == 2)
-                skiaCanvas.Translate(availableSpace.Width, 0);
-            
-            if (NormalizedTurnCount == 2  || NormalizedTurnCount == 3)
-                skiaCanvas.Translate(0, availableSpace.Height);
-
-            skiaCanvas.RotateDegrees(NormalizedTurnCount * 90);
+            Canvas.Translate(translate);
+            Canvas.Rotate(rotate);
             
             if (NormalizedTurnCount == 1 || NormalizedTurnCount == 3)
                 availableSpace = new Size(availableSpace.Height, availableSpace.Width);
             
             Child?.Draw(availableSpace);
-            skiaCanvas.SetMatrix(currentMatrix);
+            
+            Canvas.Rotate(-rotate);
+            Canvas.Translate(translate.Reverse());
         }
     }
 }

QuestPDF/Elements/SkipOnce.cs

@@ -0,0 +1,34 @@
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class SkipOnce : ContainerElement, IStateResettable
+    {
+        private bool FirstPageWasSkipped { get; set; }
+
+        public void ResetState()
+        {
+            FirstPageWasSkipped = false;
+        }
+
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            if (Child == null || !FirstPageWasSkipped)
+                return new FullRender(Size.Zero);
+
+            return Child.Measure(availableSpace);
+        }
+
+        internal override void Draw(Size availableSpace)
+        {
+            if (Child == null)
+                return;
+
+            if (FirstPageWasSkipped)
+                Child.Draw(availableSpace);
+
+            FirstPageWasSkipped = true;
+        }
+    }
+}

QuestPDF/Elements/Stack.cs

@@ -91,7 +91,7 @@ namespace QuestPDF.Elements
     
     internal class Stack : IComponent
     {
-        public ICollection<Element> Children { get; internal set; } = new List<Element>();
+        public ICollection<Element> Children { get; } = new List<Element>();
         public float Spacing { get; set; } = 0;
         
         public void Compose(IContainer container)

QuestPDF/Elements/Text/Calculation/TextLine.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using QuestPDF.Elements.Text.Items;
 
@@ -6,14 +7,41 @@ namespace QuestPDF.Elements.Text.Calculation
 {
     internal class TextLine
     {
-        public ICollection<TextLineElement> Elements { get; set; }
+        public ICollection<TextLineElement> Elements { get; private set; }
 
-        public float TextHeight => Elements.Max(x => x.Measurement.Height);
-        public float LineHeight => Elements.Max(x => x.Measurement.LineHeight * x.Measurement.Height);
+        public float TextHeight { get; private set; }
+        public float LineHeight { get; private set; }
         
-        public float Ascent => Elements.Min(x => x.Measurement.Ascent) - (LineHeight - TextHeight) / 2;
-        public float Descent => Elements.Max(x => x.Measurement.Descent) + (LineHeight - TextHeight) / 2;
+        public float Ascent { get; private set; }
+        public float Descent { get; private set; }
 
-        public float Width => Elements.Sum(x => x.Measurement.Width);
+        public float Width { get; private set; }
+        
+        public static TextLine From(ICollection<TextLineElement> elements)
+        {
+            if (elements.Count == 0)
+            {
+                return new TextLine
+                {
+                    Elements = elements
+                };
+            }
+            
+            var textHeight = elements.Max(x => x.Measurement.Height);
+            var lineHeight = elements.Max(x => x.Measurement.LineHeight * x.Measurement.Height);
+            
+            return new TextLine
+            {
+                Elements = elements,
+                
+                TextHeight = textHeight,
+                LineHeight = lineHeight,
+                
+                Ascent = elements.Min(x => x.Measurement.Ascent) - (lineHeight - textHeight) / 2,
+                Descent = elements.Max(x => x.Measurement.Descent) + (lineHeight - textHeight) / 2,
+                
+                Width = elements.Sum(x => x.Measurement.Width)
+            };
+        }
     }
 }

QuestPDF/Elements/Text/Calculation/TextLineElement.cs

@@ -1,6 +1,6 @@
-using QuestPDF.Elements.Text.Calculation;
+using QuestPDF.Elements.Text.Items;
 
-namespace QuestPDF.Elements.Text.Items
+namespace QuestPDF.Elements.Text.Calculation
 {
     internal class TextLineElement
     {

QuestPDF/Elements/Text/Items/ITextBlockItem.cs

@@ -1,4 +1,5 @@
 using QuestPDF.Elements.Text.Calculation;
+using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements.Text.Items
 {

QuestPDF/Elements/Text/Items/TextBlockExternalLink.cs

@@ -3,33 +3,22 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements.Text.Items
 {
-    internal class TextBlockExternalLink : ITextBlockItem
+    internal class TextBlockExternalLink : TextBlockSpan
     {
-        public TextStyle Style { get; set; } = new TextStyle();
-        public string Text { get; set; }
         public string Url { get; set; }
         
-        public TextMeasurementResult? Measure(TextMeasurementRequest request)
+        public override TextMeasurementResult? Measure(TextMeasurementRequest request)
         {
-            return GetItem().MeasureWithoutCache(request);
+            return MeasureWithoutCache(request);
         }
 
-        public void Draw(TextDrawingRequest request)
+        public override void Draw(TextDrawingRequest request)
         {
             request.Canvas.Translate(new Position(0, request.TotalAscent));
             request.Canvas.DrawExternalLink(Url, new Size(request.TextSize.Width, request.TextSize.Height));
             request.Canvas.Translate(new Position(0, -request.TotalAscent));
             
-            GetItem().Draw(request);
-        }
-
-        private TextBlockSpan GetItem()
-        {
-            return new TextBlockSpan
-            {
-                Style = Style,
-                Text = Text
-            };
+            base.Draw(request);
         }
     }
 }

QuestPDF/Elements/Text/Items/TextBlockInternalLink.cs

@@ -3,33 +3,22 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements.Text.Items
 {
-    internal class TextBlockInternalLink : ITextBlockItem
+    internal class TextBlockInternalLink : TextBlockSpan
     {
-        public TextStyle Style { get; set; } = new TextStyle();
-        public string Text { get; set; }
         public string LocationName { get; set; }
         
-        public TextMeasurementResult? Measure(TextMeasurementRequest request)
+        public override TextMeasurementResult? Measure(TextMeasurementRequest request)
         {
-            return GetItem().MeasureWithoutCache(request);
+            return MeasureWithoutCache(request);
         }
 
-        public void Draw(TextDrawingRequest request)
+        public override void Draw(TextDrawingRequest request)
         {
             request.Canvas.Translate(new Position(0, request.TotalAscent));
             request.Canvas.DrawLocationLink(LocationName, new Size(request.TextSize.Width, request.TextSize.Height));
             request.Canvas.Translate(new Position(0, -request.TotalAscent));
             
-            GetItem().Draw(request);
-        }
-
-        private TextBlockSpan GetItem()
-        {
-            return new TextBlockSpan
-            {
-                Style = Style,
-                Text = Text
-            };
+            base.Draw(request);
         }
     }
 }

QuestPDF/Elements/Text/Items/TextBlockPageNumber.cs

@@ -3,34 +3,31 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements.Text.Items
 {
-    internal class TextBlockPageNumber : ITextBlockItem
+    internal class TextBlockPageNumber : TextBlockSpan
     {
-        public TextStyle Style { get; set; } = new TextStyle();
         public string SlotName { get; set; }
         
-        public TextMeasurementResult? Measure(TextMeasurementRequest request)
+        public override TextMeasurementResult? Measure(TextMeasurementRequest request)
         {
-            return GetItem(request.PageContext).MeasureWithoutCache(request);
+            SetPageNumber(request.PageContext);
+            return MeasureWithoutCache(request);
         }
 
-        public void Draw(TextDrawingRequest request)
+        public override void Draw(TextDrawingRequest request)
         {
-            GetItem(request.PageContext).Draw(request);
+            SetPageNumber(request.PageContext);
+            base.Draw(request);
         }
 
-        private TextBlockSpan GetItem(IPageContext context)
+        private void SetPageNumber(IPageContext context)
         {
             var pageNumberPlaceholder = 123;
             
             var pageNumber = context.GetRegisteredLocations().Contains(SlotName)
                 ? context.GetLocationPage(SlotName)
                 : pageNumberPlaceholder;
-            
-            return new TextBlockSpan
-            {
-                Style = Style,
-                Text = pageNumber.ToString()
-            };
+
+            Text = pageNumber.ToString();
         }
     }
 }

QuestPDF/Elements/Text/Items/TextBlockSpan.cs

@@ -14,7 +14,7 @@ namespace QuestPDF.Elements.Text.Items
         private Dictionary<(int startIndex, float availableWidth), TextMeasurementResult?> MeasureCache =
             new Dictionary<(int startIndex, float availableWidth), TextMeasurementResult?>();
 
-        public TextMeasurementResult? Measure(TextMeasurementRequest request)
+        public virtual TextMeasurementResult? Measure(TextMeasurementRequest request)
         {
             var cacheKey = (request.StartIndex, request.AvailableWidth);
             
@@ -32,7 +32,7 @@ namespace QuestPDF.Elements.Text.Items
             var fontMetrics = Style.ToFontMetrics();
 
             var startIndex = request.StartIndex;
-
+            
             if (request.IsFirstLineElement)
             {
                 while (startIndex + 1 < Text.Length && Text[startIndex] == space)
@@ -45,7 +45,7 @@ namespace QuestPDF.Elements.Text.Items
                 {
                     Width = 0,
                     
-                    LineHeight = Style.LineHeight,
+                    LineHeight = Style.LineHeight ?? 1,
                     Ascent = fontMetrics.Ascent,
                     Descent = fontMetrics.Descent
                 };
@@ -54,15 +54,18 @@ namespace QuestPDF.Elements.Text.Items
             // start breaking text from requested position
             var text = Text.Substring(startIndex);
             
-            var breakingIndex = (int)paint.BreakText(text, request.AvailableWidth);
+            var textLength = (int)paint.BreakText(text, request.AvailableWidth);
 
-            if (breakingIndex <= 0)
+            if (textLength <= 0)
                 return null;
+
+            if (textLength < text.Length && text[textLength] == space)
+                textLength++;
             
             // break text only on spaces
-            if (breakingIndex < text.Length)
+            if (textLength < text.Length)
             {
-                var lastSpaceIndex = text.Substring(0, breakingIndex).LastIndexOf(space) - 1;
+                var lastSpaceIndex = text.Substring(0, textLength).LastIndexOf(space) - 1;
 
                 if (lastSpaceIndex <= 0)
                 {
@@ -71,13 +74,13 @@ namespace QuestPDF.Elements.Text.Items
                 }
                 else
                 {
-                    breakingIndex = lastSpaceIndex + 1;
+                    textLength = lastSpaceIndex + 1;
                 }
             }
 
-            text = text.Substring(0, breakingIndex);
+            text = text.Substring(0, textLength);
 
-            var endIndex = startIndex + breakingIndex;
+            var endIndex = startIndex + textLength;
             var nextIndex = endIndex;
 
             while (nextIndex + 1 < Text.Length && Text[nextIndex] == space)
@@ -93,7 +96,7 @@ namespace QuestPDF.Elements.Text.Items
                 Ascent = fontMetrics.Ascent,
                 Descent = fontMetrics.Descent,
      
-                LineHeight = Style.LineHeight,
+                LineHeight = Style.LineHeight ?? 1,
                 
                 StartIndex = startIndex,
                 EndIndex = endIndex,
@@ -102,7 +105,7 @@ namespace QuestPDF.Elements.Text.Items
             };
         }
         
-        public void Draw(TextDrawingRequest request)
+        public virtual void Draw(TextDrawingRequest request)
         {
             var fontMetrics = Style.ToFontMetrics();
 
@@ -112,12 +115,12 @@ namespace QuestPDF.Elements.Text.Items
             request.Canvas.DrawText(text, Position.Zero, Style);
 
             // draw underline
-            if (Style.IsUnderlined && fontMetrics.UnderlinePosition.HasValue)
-                DrawLine(fontMetrics.UnderlinePosition.Value, fontMetrics.UnderlineThickness.Value);
+            if ((Style.HasUnderline ?? false) && fontMetrics.UnderlinePosition.HasValue)
+                DrawLine(fontMetrics.UnderlinePosition.Value, fontMetrics.UnderlineThickness ?? 1);
             
             // draw stroke
-            if (Style.IsStroked && fontMetrics.StrikeoutPosition.HasValue)
-                DrawLine(fontMetrics.StrikeoutPosition.Value, fontMetrics.StrikeoutThickness.Value);
+            if ((Style.HasStrikethrough ?? false) && fontMetrics.StrikeoutPosition.HasValue)
+                DrawLine(fontMetrics.StrikeoutPosition.Value, fontMetrics.StrikeoutThickness ?? 1);
 
             void DrawLine(float offset, float thickness)
             {

QuestPDF/Elements/Text/TextBlock.cs

@@ -27,7 +27,7 @@ namespace QuestPDF.Elements.Text
             if (!RenderingQueue.Any())
                 return new FullRender(Size.Zero);
             
-            var lines = DivideTextItemsIntoLines(availableSpace.Width, availableSpace.Height);
+            var lines = DivideTextItemsIntoLines(availableSpace.Width, availableSpace.Height).ToList();
 
             if (!lines.Any())
                 return new PartialRender(Size.Zero);
@@ -64,7 +64,7 @@ namespace QuestPDF.Elements.Text
                 widthOffset = 0f;
 
                 var alignmentOffset = GetAlignmentOffset(line.Width);
-
+                
                 Canvas.Translate(new Position(alignmentOffset, 0));
                 Canvas.Translate(new Position(0, -line.Ascent));
             
@@ -110,7 +110,7 @@ namespace QuestPDF.Elements.Text
             
             if (!RenderingQueue.Any())
                 ResetState();
-
+            
             float GetAlignmentOffset(float lineWidth)
             {
                 if (Alignment == HorizontalAlignment.Left)
@@ -192,10 +192,7 @@ namespace QuestPDF.Elements.Text
                     queue.Dequeue();
                 }
 
-                return new TextLine
-                {
-                    Elements = currentLineElements
-                };
+                return TextLine.From(currentLineElements);
             }
         }
     }

QuestPDF/Elements/Translate.cs

@@ -10,14 +10,11 @@ namespace QuestPDF.Elements
 
         internal override void Draw(Size availableSpace)
         {
-            var skiaCanvas = (Canvas as Drawing.SkiaCanvasBase)?.Canvas;
+            var translate = new Position(TranslateX, TranslateY);
             
-            if (skiaCanvas == null)
-                return;
-            
-            skiaCanvas.Translate(TranslateX, TranslateY);
+            Canvas.Translate(translate);
             base.Draw(availableSpace);
-            skiaCanvas.Translate(-TranslateX, -TranslateY);
+            Canvas.Translate(translate.Reverse());
         }
     }
 }

QuestPDF/Fluent/ElementExtensions.cs

@@ -18,10 +18,10 @@ namespace QuestPDF.Fluent
         {
             if (element?.Child != null && element.Child is Empty == false)
             {
-                var message = $"Container {element.GetType().Name} already contains an {element.Child.GetType().Name} child. " +
-                              $"Tried to assign {child?.GetType()?.Name}." +
-                              $"You should not assign multiple elements to single-child containers.";
-                
+                var message = "You should not assign multiple child elements to a single-child container. " +
+                              "This may happen when a container variable is used outside of its scope/closure OR the container is used in multiple fluent API chains OR the container is used incorrectly in a loop. " +
+                              "This exception is thrown to help you detect that some part of the code is overriding fragments of the document layout with a new content - essentially destroying existing content.";
+
                 throw new DocumentComposeException(message);
             }
 
@@ -70,7 +70,12 @@ namespace QuestPDF.Fluent
         {
             return element.Element(new ShowOnce());
         }
-        
+
+        public static IContainer SkipOnce(this IContainer element)
+        {
+            return element.Element(new SkipOnce());
+        }
+
         public static IContainer ShowEntire(this IContainer element)
         {
             return element.Element(new ShowEntire());

QuestPDF/Fluent/InlinedExtensions.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Fluent
+{
+    public class InlinedDescriptor
+    {
+        internal Inlined Inlined { get; } = new Inlined();
+        
+        public void Spacing(float value)
+        {
+            VerticalSpacing(value);
+            HorizontalSpacing(value);
+        }
+        
+        public void VerticalSpacing(float value) => Inlined.VerticalSpacing = value;
+        public void HorizontalSpacing(float value) => Inlined.HorizontalSpacing = value;
+
+        public void BaselineTop() => Inlined.BaselineAlignment = VerticalAlignment.Top;
+        public void BaselineMiddle() => Inlined.BaselineAlignment = VerticalAlignment.Middle;
+        public void BaselineBottom() => Inlined.BaselineAlignment = VerticalAlignment.Bottom;
+
+        public void AlignLeft() => Inlined.ElementsAlignment = InlinedAlignment.Left;
+        public void AlignCenter() => Inlined.ElementsAlignment = InlinedAlignment.Center;
+        public void AlignRight() => Inlined.ElementsAlignment = InlinedAlignment.Right;
+        public void AlignJustify() => Inlined.ElementsAlignment = InlinedAlignment.Justify;
+        public void AlignSpaceAround() => Inlined.ElementsAlignment = InlinedAlignment.SpaceAround;
+        
+        public IContainer Item()
+        {
+            var container = new InlinedElement();
+            Inlined.Elements.Add(container);
+            return container;
+        }
+    }
+    
+    public static class InlinedExtensions
+    {
+        public static void Inlined(this IContainer element, Action<InlinedDescriptor> handler)
+        {
+            var descriptor = new InlinedDescriptor();
+            handler(descriptor);
+            
+            element.Element(descriptor.Inlined);
+        }
+    }
+}

QuestPDF/Fluent/PageExtensions.cs

@@ -12,14 +12,24 @@ namespace QuestPDF.Fluent
 
         public void Size(PageSize pageSize)
         {
-            Page.MinSize = pageSize;
-            Page.MaxSize = pageSize;
+            MinSize(pageSize);
+            MaxSize(pageSize);
         }
-
+        
         public void ContinuousSize(float width)
         {
-            Page.MinSize = new PageSize(width, 0);
-            Page.MaxSize = new PageSize(width, Infrastructure.Size.Max.Height);
+            MinSize(new PageSize(width, 0));
+            MaxSize(new PageSize(width, Infrastructure.Size.Max.Height));
+        }
+
+        public void MinSize(PageSize pageSize)
+        {
+            Page.MinSize = pageSize;
+        }
+        
+        public void MaxSize(PageSize pageSize)
+        {
+            Page.MaxSize = pageSize;
         }
 
         public void MarginLeft(float value)
@@ -60,6 +70,16 @@ namespace QuestPDF.Fluent
             MarginHorizontal(value);
         }
         
+        public void DefaultTextStyle(TextStyle textStyle)
+        {
+            Page.DefaultTextStyle = textStyle;
+        }
+        
+        public void Background(string color)
+        {
+            Page.BackgroundColor = color;
+        }
+        
         public IContainer Header()
         {
             var container = new Container();