Improved text run calculation

# Conflicts:
#	QuestPDF/Elements/Stack.cs

.github/workflows/codeql-analysis.yml

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

.github/workflows/dotnet-desktop.yml

@@ -1,54 +0,0 @@
-name: Build And Create Nuget Package
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
-  workflow_dispatch:
-  schedule:
-    - cron: '3 0 * * 0'
-
-jobs:
-  main:
-    runs-on: ${{ matrix.environment }}
-    strategy:
-      matrix:
-        environment:
-          - macos-latest
-          - ubuntu-latest
-          - windows-latest
-    env:
-      DOTNET_NOLOGO: 1
-      DOTNET_CLI_TELEMETRY_OPTOUT: 1
-      NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
-      UNIT_TEST_PROJECT: QuestPDF.UnitTests/QuestPDF.UnitTests.csproj
-
-    steps:
-      - name: 📝 Fetch Sources 📝
-        uses: actions/checkout@v2
-
-      - name: ⚙ Setup .NET 6.0 SDK ⚙
-        uses: actions/setup-dotnet@v1
-        with:
-          dotnet-version: '6.0.x'
-          
-      - name: 🔄 Restore Nuget Packages 🔄
-        shell: bash
-        run: dotnet restore
-        working-directory: ./Source
-
-      - name: 🛠 Build Solution 🛠
-        shell: bash
-        run: dotnet build -c Release --no-restore
-        working-directory: ./Source
-        
-      - name: Upload build artifacts
-        uses: actions/upload-artifact@v3
-        if: ${{ matrix.environment == 'windows-latest' }}
-        with:
-          name: Build Package
-          path: |
-            **/*.nupkg
-            **/*.snupkg
-            !.nuget

FUNDING.yml

@@ -1 +0,0 @@
-github: QuestPDF

QuestPDF.Examples/ElementExamples.cs

@@ -0,0 +1,319 @@
+using System.Linq;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Examples
+{
+    public class ElementExamples : ExampleTestBase
+    {
+        //[ShowResult]
+        [ImageSize(200, 150)]
+        public void Placeholder(IContainer container)
+        {
+            container
+                .Background("#FFF")
+                .Padding(25)
+                .Placeholder();
+        }
+        
+        //[ShowResult]
+        [ImageSize(300, 300)]
+        public void Decoration(IContainer container)
+        {
+            container
+                .Background("#FFF")
+                .Padding(25)
+                .Decoration(decoration =>
+                {
+                    decoration
+                        .Header()
+                        .Background("#888")
+                        .Padding(10)
+                        .Text("Notes", TextStyle.Default.Size(16).Color("#FFF"));
+                    
+                    decoration
+                        .Content()
+                        .Background("#DDD")
+                        .Padding(10)
+                        .ExtendVertical()
+                        .Text(Helpers.Placeholders.LoremIpsum());
+                });
+        }
+        
+        //[ShowResult]
+        [ImageSize(298, 421)]
+        public void Page(IContainer container)
+        {
+            container
+                .Background("#FFF")
+                .Padding(15)
+                .Page(page =>
+                {
+                    page.Header()
+                        .Height(60)
+                        .Background("#BBB")
+                        .AlignCenter()
+                        .AlignMiddle()
+                        .Text("Header");
+                    
+                    page.Content()
+                        .Background("#DDD")
+                        .AlignCenter()
+                        .AlignMiddle()
+                        .Text("Content");
+                        
+                    page.Footer()
+                        .Height(30)
+                        .Background("#BBB")
+                        .AlignCenter()
+                        .AlignMiddle()
+                        .Text("Footer");
+                });
+        }
+        
+        //[ShowResult]
+        [ImageSize(740, 200)]
+        public void Row(IContainer container)
+        {
+            container
+                .Background("#FFF")
+                .Padding(20)
+                .Stack(stack =>
+                {
+                    stack.Item()
+                        .PaddingBottom(10)
+                        .AlignCenter()
+                        .Text("This Row element is 700pt wide");
+
+                    stack.Item().Row(row =>
+                    {
+                        row.ConstantColumn(100)
+                            .Background("#DDD")
+                            .Padding(10)
+                            .ExtendVertical()
+                            .Text("This column is 100 pt wide");
+
+                        row.RelativeColumn()
+                            .Background("#BBB")
+                            .Padding(10)
+                            .Text("This column takes 1/3 of the available space (200pt)");
+
+                        row.RelativeColumn(2)
+                            .Background("#DDD")
+                            .Padding(10)
+                            .Text("This column takes 2/3 of the available space (400pt)");
+                    });
+                });
+        }
+        
+        //[ShowResult]
+        [ImageSize(500, 350)]
+        public void Column(IContainer container)
+        {
+            container
+                .Background("#FFF")
+                .Padding(15)
+                .Stack(column =>
+                {
+                    column.Spacing(10);
+                    
+                    column
+                        .Item()
+                        .Background("#999")
+                        .Height(50);
+                    
+                    column
+                        .Item()
+                        .Background("#BBB")
+                        .Height(100);
+                    
+                    column
+                        .Item()
+                        .Background("#DDD")
+                        .Height(150);
+                });
+        }
+        
+        [ShowResult]
+        [ImageSize(210, 210)]
+        public void Debug(IContainer container)
+        {
+            container
+                .Padding(25)
+                .Debug("Grid example", Colors.Blue.Medium)
+                .Grid(grid =>
+                {
+                    grid.Columns(3);
+                    grid.Spacing(5);
+
+                    foreach (var _ in Enumerable.Range(0, 8))
+                        grid.Item().Height(50).Placeholder();
+                });
+        }
+        
+        //[ShowResult]
+        [ImageSize(300, 200)]
+        public void ElementEnd(IContainer container)
+        {
+            var text = "";
+            
+            container
+                .Padding(10)
+                .Element(x =>
+                {
+                    if (string.IsNullOrWhiteSpace(text))
+                        x.Height(10).Width(50).Background("#DDD");
+                    else
+                        x.Text(text);
+                });
+        }
+        
+        //[ShowResult]
+        [ImageSize(300, 200)]
+        public void GridExample(IContainer container)
+        {
+            var textStyle = TextStyle.Default.Size(14);
+            
+            container
+                .Padding(20)
+                .AlignRight()
+                .Grid(grid =>
+                {
+                    grid.VerticalSpacing(20);
+                    grid.HorizontalSpacing(10);
+                    grid.Columns(12);
+
+                    grid.Item(8).Background("#DDD").Height(50).Padding(5).Text("This is a short text", textStyle);
+                    grid.Item(4).Background("#BBB").Padding(5).Text("Showing how to...", textStyle);
+                    grid.Item(2).Background("#999").Height(50);
+                    grid.Item(4).Background("#AAA").Border(2).BorderColor("#666").Padding(5).Text("...generate", textStyle);
+                    grid.Item(6).Background("#CCC").Padding(5).Text("simple grids", textStyle.Size(18).Bold());
+                    grid.Item(8).Background("#DDD").Height(50);
+                });
+        }
+
+        //[ShowResult]
+        [ImageSize(300, 300)]
+        public void RandomColorMatrix(IContainer container)
+        {
+            container
+                .Padding(25)
+                .Grid(grid =>
+                {
+                    grid.Columns(5);
+                    
+                    Enumerable
+                        .Range(0, 25)
+                        .Select(x => Placeholders.BackgroundColor())
+                        .ToList()
+                        .ForEach(x => grid.Item().Height(50).Background(x));
+                });
+        }
+        
+        //[ShowResult]
+        [ImageSize(450, 150)]
+        public void DefinedColors(IContainer container)
+        {
+            var colors = new[]
+            {
+                Colors.Green.Darken4,
+                Colors.Green.Darken3,
+                Colors.Green.Darken2,
+                Colors.Green.Darken1,
+                
+                Colors.Green.Medium,
+                
+                Colors.Green.Lighten1,
+                Colors.Green.Lighten2,
+                Colors.Green.Lighten3,
+                Colors.Green.Lighten4,
+                Colors.Green.Lighten5,
+                
+                Colors.Green.Accent1,
+                Colors.Green.Accent2,
+                Colors.Green.Accent3,
+                Colors.Green.Accent4,
+            };
+            
+            container
+                .Padding(25)
+                .Height(100)
+                .Row(row =>
+                {
+                    foreach (var color in colors)
+                        row.RelativeColumn().Background(color);
+                });
+        }
+        
+        //[ShowResult]
+        [ImageSize(500, 175)]
+        public void DefinedFonts(IContainer container)
+        {
+            var fonts = new[]
+            {
+                Fonts.Calibri,
+                Fonts.Candara,
+                Fonts.Arial,
+                Fonts.TimesNewRoman,
+                Fonts.Consolas,
+                Fonts.Tahoma,
+                Fonts.Impact,
+                Fonts.Trebuchet,
+                Fonts.ComicSans
+            };
+            
+            container
+                .Padding(25)
+                .Grid(grid =>
+                {
+                    grid.Columns(3);
+
+                    foreach (var font in fonts)
+                    {
+                        grid.Item()
+                            .Border(1)
+                            .BorderColor(Colors.Grey.Medium)
+                            .Padding(10)
+                            .Text(font, TextStyle.Default.FontType(font).Size(16));
+                    }
+                });
+        }
+        
+        //[ShowResult]
+        [ImageSize(300, 300)]
+        public void Layers(IContainer container)
+        {
+            container
+                .Background("#FFF")
+                .Padding(25)
+                .Layers(layers =>
+                {
+                    layers.Layer().Text("Something else");
+                    
+                    layers.PrimaryLayer().Stack(stack =>
+                    {
+                        stack.Item().PaddingTop(20).Text("Text 1");
+                        stack.Item().PaddingTop(40).Text("Text 2");
+                    });
+                    
+                    layers.Layer().Canvas((canvas, size) =>
+                    {
+                        using var paint = new SKPaint
+                        {
+                            Color = SKColors.Red,
+                            StrokeWidth = 5
+                        };
+                        
+                        canvas.Translate(size.Width / 2, size.Height / 2);
+                        canvas.DrawCircle(0, 0, 50, paint);
+                    });
+                    
+                    layers.Layer().Background("#8F00").Extend();
+                    layers.Layer().PaddingTop(40).Text("It works!", TextStyle.Default.Size(24));
+                });
+        }
+    }
+}

QuestPDF.Examples/Engine/ExampleTestBase.cs

@@ -0,0 +1,95 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using NUnit.Framework;
+using QuestPDF.Elements;
+using QuestPDF.Fluent;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Examples.Engine
+{
+    [TestFixture]
+    public class ExampleTestBase
+    {
+        private readonly Size DefaultImageSize = new Size(400, 300);
+        private const string ResultPath = "Result";
+
+        [SetUp]
+        public void Setup()
+        {
+            if (Directory.Exists(ResultPath))
+                Directory.Delete(ResultPath, true);
+            
+            Directory.CreateDirectory(ResultPath);
+        }
+        
+        [Test]
+        public void RunTest()
+        {
+            GetType()
+                .GetMethods()
+                .Where(IsExampleMethod)
+                .ToList()
+                .ForEach(HandleExample);
+        }
+
+        private bool IsExampleMethod(MethodInfo method)
+        {
+            var parameters = method.GetParameters();
+            return parameters.Length == 1 && parameters.First().ParameterType == typeof(IContainer);
+        }
+        
+        private T GetAttribute<T>(MethodInfo methodInfo) where T : Attribute
+        {
+            return methodInfo.GetCustomAttributes().FirstOrDefault(y => y is T) as T;
+        }
+        
+        private void HandleExample(MethodInfo methodInfo)
+        {
+            var size = GetAttribute<ImageSizeAttribute>(methodInfo)?.Size ?? DefaultImageSize;
+            var fileName = GetAttribute<FileNameAttribute>(methodInfo)?.FileName ?? methodInfo.Name;
+            var showResult = GetAttribute<ShowResultAttribute>(methodInfo) != null;
+            var shouldIgnore = GetAttribute<IgnoreAttribute>(methodInfo) != null;
+
+            if (shouldIgnore)
+                return;
+            
+            var container = new Container();
+            methodInfo.Invoke(this, new object[] {container});
+
+            Func<int, string> fileNameSchema = i => $"{fileName.ToLower()}-${i}.png";
+
+            try
+            {
+                var document = new SimpleDocument(container, size);
+                document.GenerateImages(fileNameSchema);
+            }
+            catch (Exception e)
+            {
+                throw new Exception($"Cannot perform test {fileName}", e);
+            }
+
+            if (showResult)
+                Process.Start("explorer", fileNameSchema(0));
+        }
+        
+        private byte[] RenderPage(Element element, Size size)
+        {
+            // scale the result so it is more readable
+            const float scalingFactor = 2;
+            
+            var imageInfo = new SKImageInfo((int)(size.Width * scalingFactor), (int)(size.Height * scalingFactor));
+            using var surface = SKSurface.Create(imageInfo);
+            surface.Canvas.Scale(scalingFactor);
+
+            var canvas = new Drawing.Canvas(surface.Canvas);
+            element?.Draw(canvas, size);
+
+            surface.Canvas.Save();
+            return surface.Snapshot().Encode(SKEncodedImageFormat.Png, 100).ToArray();
+        }
+    }
+}

QuestPDF.Examples/Engine/FileNameAttribute.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace QuestPDF.Examples.Engine
+{
+    public class FileNameAttribute : Attribute
+    {
+        public string FileName { get; }
+
+        public FileNameAttribute(string fileName)
+        {
+            FileName = fileName;
+        }
+    }
+}

QuestPDF.Examples/Engine/IgnoreAttribute.cs

@@ -0,0 +1,9 @@
+using System;
+
+namespace QuestPDF.Examples.Engine
+{
+    public class IgnoreAttribute : Attribute
+    {
+        
+    }
+}

QuestPDF.Examples/Engine/ImageSizeAttribute.cs

@@ -0,0 +1,19 @@
+using System;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples.Engine
+{
+    public class ImageSizeAttribute : Attribute
+    {
+        private int Width { get; }
+        private int Height { get; }
+
+        public Size Size => new Size(Width, Height);
+        
+        public ImageSizeAttribute(int width, int height)
+        {
+            Width = width;
+            Height = height;
+        }
+    }
+}

QuestPDF.Examples/Engine/ShowResultAttribute.cs

@@ -0,0 +1,9 @@
+using System;
+
+namespace QuestPDF.Examples.Engine
+{
+    public class ShowResultAttribute : Attribute
+    {
+        
+    }
+}

QuestPDF.Examples/Engine/SimpleDocument.cs

@@ -0,0 +1,33 @@
+using QuestPDF.Drawing;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples.Engine
+{
+    public class SimpleDocument : IDocument
+    {
+        private IContainer Container { get; }
+        private Size Size { get; }
+
+        public SimpleDocument(IContainer container, Size size)
+        {
+            Container = container;
+            Size = size;
+        }
+        
+        public DocumentMetadata GetMetadata()
+        {
+            return new DocumentMetadata()
+            {
+                RasterDpi = PageSizes.PointsPerInch * 2,
+                Size = Size
+            };
+        }
+
+        public void Compose(IContainer container)
+        {
+            container.Background("#FFF").Element(Container.Child);
+        }
+    }
+}

QuestPDF.Examples/FrameExample.cs

@@ -0,0 +1,44 @@
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    static class SimpleExtension
+    {
+        private static IContainer Cell(this IContainer container, bool dark)
+        {
+            return container
+                .Border(1)
+                .Background(dark ? "#EEE" : "#FFF")
+                .Padding(10);
+        }
+        
+        public static IContainer LabelCell(this IContainer container) => container.Cell(true);
+        public static IContainer ValueCell(this IContainer container) => container.Cell(false);
+    }
+    
+    public class FrameExample: ExampleTestBase
+    {
+        [ImageSize(550, 400)]
+        [ShowResult]
+        public void Frame(IContainer container)
+        {
+            container
+                .Background("#FFF")
+                .Padding(25)
+                .Stack(stack =>
+                {
+                    for(var i=1; i<=4; i++)
+                    {
+                        stack.Item().Row(row =>
+                        {
+                            row.RelativeColumn(2).LabelCell().Text(Placeholders.Label());
+                            row.RelativeColumn(3).ValueCell().Text(Placeholders.Paragraph());
+                        });
+                    }
+                });
+        }
+    }
+}

QuestPDF.Examples/LoremPicsumExample.cs

@@ -0,0 +1,54 @@
+using System.Net;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class LoremPicsum : IComponent
+    {
+        public bool Greyscale { get; }
+
+        public LoremPicsum(bool greyscale)
+        {
+            Greyscale = greyscale;
+        }
+        
+        public void Compose(IContainer container)
+        {
+            var url = "https://picsum.photos/300/200";
+
+            if(Greyscale)
+                url += "?grayscale";
+
+            using var client = new WebClient();
+            var response = client.DownloadData(url);
+            container.Image(response);
+        }
+    }
+    
+    public class LoremPicsumExample : ExampleTestBase
+    {
+        [ShowResult]
+        [ImageSize(350, 280)]
+        public void LoremPicsum(IContainer container)
+        {
+            container
+                .Background("#FFF")
+                .Padding(25)
+                .Stack(column =>
+                {
+                    column.Spacing(10);
+
+                    column
+                        .Item()
+                        .Component(new LoremPicsum(true));
+                    
+                    column
+                        .Item()
+                        .AlignRight()
+                        .Text("From Lorem Picsum");
+                });
+        }
+    }
+}

QuestPDF.Examples/Padding.cs

@@ -0,0 +1,134 @@
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class Examples : ExampleTestBase
+    {
+        public void Padding(IContainer container)
+        {
+            container
+                .Background("#FDD")
+                .Padding(50)
+
+                .Background("#AFA")
+                .PaddingVertical(50)
+
+                .Background("#77F")
+                .PaddingHorizontal(50)
+
+                .Background("#444");
+        }
+        
+        public void Border(IContainer container)
+        {
+            container
+                .Background("#EEE")
+                .Padding(25)
+
+                .AlignBottom()
+                .AlignCenter()
+                .BorderBottom(2)
+                .BorderColor("#000")
+                
+                .Background("FFF")
+                .Padding(5)
+                .Text("Sample text", TextStyle.Default.FontType("Segoe UI emoji").Alignment(HorizontalAlignment.Center));
+        }
+        
+        public void Alignment(IContainer container)
+        {
+            container
+                .Stack(column =>
+                {
+                    column
+                        .Item()
+                        .Height(100)
+                        .Background("#FFF")
+                        
+                        .AlignLeft()
+                        .AlignMiddle()
+
+                        .Width(50)
+                        .Height(50)
+                        .Background("#444");
+                    
+                    column
+                        .Item()
+                        .Height(100)
+                        .Background("#DDD")
+                        
+                        .AlignCenter()
+                        .AlignMiddle()
+
+                        .Width(50)
+                        .Height(50)
+                        .Background("#222");
+                    
+                    column
+                        .Item()
+                        .Height(100)
+                        .Background("#BBB")
+                        
+                        .AlignRight()
+                        .AlignMiddle()
+
+                        .Width(50)
+                        .Height(50)
+                        .Background("#000");
+                });
+        }
+        
+        public void Expand(IContainer container)
+        {
+            container
+                .Stack(column =>
+                {
+                    column
+                        .Item()
+                        .Height(150)
+                        .Row(row =>
+                        {
+                            row.RelativeColumn()
+                                .Extend()
+                                .Background("FFF")
+
+                                .Height(50)
+                                .Width(50)
+                                .Background("444");
+                            
+                            row.RelativeColumn()
+                                .Extend()
+                                .Background("BBB")
+
+                                .Height(50)
+                                .ExtendHorizontal()
+                                .Background("444");
+                        });
+                    
+                    column
+                        .Item()
+                        .Height(150)
+                        .Row(row =>
+                        {
+                            row.RelativeColumn()
+                                .Extend()
+                                .Background("BBB")
+
+                                .ExtendVertical()
+                                .Width(50)
+                                .Background("444");
+                            
+                            row.RelativeColumn()
+                                .Extend()
+                                .Background("BBB")
+
+                                .ExtendVertical()
+                                .ExtendHorizontal()
+                                .Background("444");
+                        });
+                });
+        }
+    }
+}

QuestPDF.Examples/QuestPDF.Examples.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="nunit" Version="3.12.0" />
+        <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
+        <PackageReference Include="SkiaSharp" Version="2.80.2" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\QuestPDF\QuestPDF.csproj" />
+    </ItemGroup>
+
+</Project>

QuestPDF.Examples/TextExample.cs

@@ -0,0 +1,212 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using QuestPDF.Elements;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Examples
+{
+    public class TextExample : ExampleTestBase
+    {
+        [ShowResult]
+        [ImageSize(1400, 600)]
+        public void OldText(IContainer container)
+        {
+            var fonts = new[]
+            {
+                Fonts.Arial,
+                Fonts.Calibri,
+                Fonts.Cambria,
+                Fonts.Candara,
+                Fonts.ComicSans,
+                Fonts.Consolas,
+                Fonts.Corbel,
+                Fonts.Courier,
+                Fonts.CourierNew,
+                Fonts.Georgia,
+                Fonts.Impact,
+                Fonts.LucidaConsole,
+                Fonts.SegoeSD,
+                Fonts.SegoeUI,
+                Fonts.Tahoma,
+                Fonts.TimesNewRoman,
+                Fonts.TimesRoman,
+                Fonts.Trebuchet,
+                Fonts.Verdana,
+            };
+            
+            container
+                .Padding(50)
+                .Grid(stack =>
+                {
+                    stack.Spacing(10);
+                    stack.Columns(2);
+
+                    foreach (var font in fonts)
+                    {
+                        stack
+                            .Element()
+                            .Box()
+                            .Background(Placeholders.BackgroundColor())
+                            .Text($"Lorem ipsum dolor sit amet {font}", TextStyle.Default.Size(24).FontType(font));
+                    }
+                });
+        }
+        
+        //[ShowResult]
+        [ImageSize(1400, 800)]
+        public void Test(IContainer container)
+        {
+            List<TextElement> Lorem()
+            {
+                return new List<TextElement>
+                {
+                    new TextElement()
+                    {
+                        Style = TextStyle.Default.Size(32).BackgroundColor(Placeholders.BackgroundColor()),
+                        Text = "Podstawowy łaciński Tabela znaków Unicode"
+                    },
+                    new TextElement()
+                    {
+                        Style = TextStyle.Default.FontType("Segoe UI Emoji").Size(32).BackgroundColor(Placeholders.BackgroundColor()),
+                        Text = "✔"
+                    },
+                    new TextElement()
+                    {
+                        Style = TextStyle.Default.FontType("Segoe UI Emoji").Size(32).BackgroundColor(Placeholders.BackgroundColor()),
+                        Text = "🥛"
+                    },
+                    new TextElement()
+                    {
+                        Style = TextStyle.Default.FontType("Segoe UI Emoji").Size(32).BackgroundColor(Placeholders.BackgroundColor()),
+                        Text = "🧀"
+                    },
+                    new TextElement()
+                    {
+                        Style = TextStyle.Default.FontType("Segoe UI Emoji").Size(32).BackgroundColor(Placeholders.BackgroundColor()),
+                        Text = "❤🚵‍♀️"
+                    },
+                    new TextElement()
+                    {
+                        Style = TextStyle.Default.Size(32).BackgroundColor(Placeholders.BackgroundColor()),
+                        Text = "Lorem ipsum "
+                    },
+                    new TextElement()
+                    {
+                        Style = TextStyle.Default.Size(24).BackgroundColor(Placeholders.BackgroundColor()),
+                        Text = " dolor "
+                    },
+                    new TextElement()
+                    {
+                        Style = TextStyle.Default.Size(64).BackgroundColor(Placeholders.BackgroundColor()),
+                        Text = " sijt "
+                    },
+                    new TextElement()
+                    {
+                        Style = TextStyle.Default.Size(32).BackgroundColor(Placeholders.BackgroundColor()),
+                        Text = " amet"
+                    }
+                };
+            }
+
+            Func<List<TextElement>> Source = () => Split(RandomText());
+
+            container
+                .Padding(50)
+                .Box().Border(1).Stack(stack =>
+                    {
+                        stack
+                            .Element()
+                            .Box()
+                            //.Background(Placeholders.BackgroundColor())
+                            .Element(new TextRun()
+                            {
+                                Elements = Lorem()
+                            });
+
+                        stack
+                            .Element()
+                            .Box()
+                            //.Background(Placeholders.BackgroundColor())
+                            .Element(new TextRun()
+                            {
+                                Elements = Source()
+                            });
+
+                        stack
+                            .Element()
+                            .Box()
+                            //.Background(Placeholders.BackgroundColor())
+                            .Element(new TextRun()
+                            {
+                                Elements = Source()
+                            });
+
+                        stack
+                            .Element()
+                            .Box()
+                            //.Background(Placeholders.BackgroundColor())
+                            .Element(new TextRun()
+                            {
+                                Elements = Source()
+                            });
+
+                        stack
+                            .Element()
+                            .Box()
+                            //.Background(Placeholders.BackgroundColor())
+                            .Element(new TextRun()
+                            {
+                                Elements = Source()
+                            });
+
+                        stack
+                            .Element()
+                            .Box()
+                            //.Background(Placeholders.BackgroundColor())
+                            .Element(new TextRun()
+                            {
+                                Elements = Source()
+                            });
+                    });
+        }
+
+        List<TextElement> RandomText()
+        {
+            var sizes = new[] { 24, 32, 48, 64};
+            
+            return Placeholders
+                .Sentence()
+                .Split(" ")
+                .Select(x => new TextElement
+                {
+                    Text = $"{x} ",
+                    Style = TextStyle
+                        .Default
+                        //.Size(sizes[Placeholders.Random.Next(0, 3)])
+                        .Size(24)
+                        .BackgroundColor(Placeholders.BackgroundColor())
+                        //.LineHeight((float)Placeholders.Random.NextDouble() / 2 + 1f)
+                        .LineHeight(1.2f)
+                })
+                .ToList();
+        }
+        
+        List<TextElement> Split(List<TextElement> elements)
+        {
+            return elements
+                .SelectMany(x => x
+                    .Text
+                    .Select(y => new TextElement
+                    {
+                        Style = x.Style,
+                        Text = y.ToString()
+                    }))
+                .ToList();
+        }
+    }
+}

QuestPDF.ReportSample/DataSource.cs

@@ -7,6 +7,9 @@ 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
@@ -15,8 +18,8 @@ namespace QuestPDF.ReportSample
                 HeaderFields = HeaderFields(),
                 
                 LogoData = Helpers.GetImage("Logo.png"),
-                Sections = Enumerable.Range(0, 40).Select(x => GenerateSection()).ToList(),
-                Photos = Enumerable.Range(0, 25).Select(x => GetReportPhotos()).ToList()
+                Sections = Enumerable.Range(0, 50).Select(x => GenerateSection()).ToList(),
+                Photos = Enumerable.Range(0, 30).Select(x => GetReportPhotos()).ToList()
             };
 
             List<ReportHeaderField> HeaderFields()
@@ -86,6 +89,7 @@ namespace QuestPDF.ReportSample
                 return new ReportSectionMap
                 {
                     Label = "Location",
+                    ImageSource = Placeholders.Image,
                     Location = Helpers.RandomLocation()
                 };
             }
@@ -95,7 +99,10 @@ namespace QuestPDF.ReportSample
                 return new ReportSectionPhotos
                 {    
                     Label = "Photos",
-                    PhotoCount = Helpers.Random.Next(1, 15)
+                    Photos = Enumerable
+                        .Range(0, Helpers.Random.Next(1, 15))
+                        .Select(x => Placeholders.Image(400, 300))
+                        .ToList()
                 };
             }
 
@@ -103,9 +110,14 @@ namespace QuestPDF.ReportSample
             {
                 return new ReportPhoto()
                 {
+                    PhotoData = Placeholders.Image(800, 600),
+
                     Comments = Placeholders.Sentence(),
                     Date = DateTime.Now - TimeSpan.FromDays(Helpers.Random.NextDouble() * 100),
-                    Location = Helpers.RandomLocation()
+                    Location = Helpers.RandomLocation(),
+
+                    MapContextSource = x => Placeholders.Image(400, 300),
+                    MapDetailsSource = x => Placeholders.Image(400, 300)
                 };
             }
         }

QuestPDF.ReportSample/Helpers.cs

@@ -0,0 +1,28 @@
+using System;
+using System.IO;
+using SkiaSharp;
+
+namespace QuestPDF.ReportSample
+{
+    public static class Helpers
+    {
+        public static Random Random { get; } = new Random();
+        
+        public static string GetTestItem(string path) => Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resources", path);
+
+        public static byte[] GetImage(string name)
+        {
+            var photoPath = GetTestItem(name);
+            return SKImage.FromEncodedData(photoPath).EncodedData.ToArray();
+        }
+
+        public static Location RandomLocation()
+        {
+            return new Location
+            {
+                Longitude = Helpers.Random.NextDouble() * 360f - 180f,
+                Latitude = Helpers.Random.NextDouble() * 180f - 90f
+            };
+        }
+    }
+}

QuestPDF.ReportSample/Layouts/ImageTemplate.cs

@@ -0,0 +1,31 @@
+using System;
+using QuestPDF.Fluent;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.ReportSample.Layouts
+{
+    public class ImageTemplate : IComponent
+    {
+        private Func<Size, byte[]> Source { get; }
+        private float AspectRatio { get; }
+
+        public ImageTemplate(byte[] source, float aspectRatio = 1.333333f) : this(_ => source, aspectRatio)
+        {
+            
+        }
+        
+        public ImageTemplate(Func<Size, byte[]> source, float aspectRatio = 1.333333f)
+        {
+            Source = source;
+            AspectRatio = aspectRatio;
+        }
+
+        public void Compose(IContainer container)
+        {
+            container
+                .AspectRatio(AspectRatio)
+                .Background("#EEEEEE")
+                .Image(Source(Size.Zero));
+        }
+    }
+}

QuestPDF.ReportSample/Layouts/PhotoTemplate.cs

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

QuestPDF.ReportSample/Layouts/SectionTemplate.cs

@@ -1,4 +1,3 @@
-using System.Linq;
 using QuestPDF.Fluent;
 using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
@@ -21,26 +20,25 @@ namespace QuestPDF.ReportSample.Layouts
                 .Decoration(decoration =>
                 {
                     decoration
-                        .Before()
+                        .Header()
                         .PaddingBottom(5)
-                        .Text(Model.Title)
-                        .Style(Typography.Headline);
+                        .Text(Model.Title, Typography.Headline);
 
-                    decoration.Content().Border(0.75f).BorderColor(Colors.Grey.Medium).Column(column =>
+                    decoration.Content().Border(0.75f).BorderColor(Colors.Grey.Medium).Stack(stack =>
                     {
                         foreach (var part in Model.Parts)
                         {
-                            column.Item().EnsureSpace(25).Row(row =>
+                            stack.Item().Row(row =>
                             {
-                                row.ConstantItem(150).LabelCell().Text(part.Label);
-                                var frame = row.RelativeItem().ValueCell();
+                                row.ConstantColumn(150).LabelCell().Text(part.Label, Typography.Normal);
+                                var frame = row.RelativeColumn().ValueCell();
                             
                                 if (part is ReportSectionText text)
-                                    frame.ShowEntire().Text(text.Text);
-                                
+                                    frame.Text(text.Text, Typography.Normal);
+                        
                                 if (part is ReportSectionMap map)
                                     frame.Element(x => MapElement(x, map));
-                                
+                        
                                 if (part is ReportSectionPhotos photos)
                                     frame.Element(x => PhotosElement(x, photos));
                             });
@@ -51,38 +49,35 @@ namespace QuestPDF.ReportSample.Layouts
         
         void MapElement(IContainer container, ReportSectionMap model)
         {
-            if (model.Location == null)
+            if (model.ImageSource == null || model.Location == null)
             {
-                container.Text("No location provided");
+                container.Text("No location provided", Typography.Normal);
                 return;
             }
 
-            container.ShowEntire().Column(column =>
+            container.ShowEntire().Stack(stack =>
             {
-                column.Spacing(5);
+                stack.Spacing(5);
                 
-                column.Item().MaxWidth(250).AspectRatio(4 / 3f).Component<ImagePlaceholder>();
-                column.Item().Text(model.Location.Format());
+                stack.Item().MaxWidth(250).AspectRatio(4 / 3f).Image(Placeholders.Image);
+                stack.Item().Text(model.Location.Format(), Typography.Normal);
             });
         }
         
         void PhotosElement(IContainer container, ReportSectionPhotos model)
         {
-            if (model.PhotoCount == 0)
+            if (model.Photos.Count == 0)
             {
-                container.Text("No photos").Style(Typography.Normal);
+                container.Text("No photos", Typography.Normal);
                 return;
             }
 
-            container.DebugArea("Photos").Grid(grid =>
+            container.Debug("Photos").Grid(grid =>
             {
                 grid.Spacing(5);
                 grid.Columns(3);
                 
-                Enumerable
-                    .Range(0, model.PhotoCount)
-                    .ToList()
-                    .ForEach(x => grid.Item().AspectRatio(4 / 3f).Component<ImagePlaceholder>());
+                model.Photos.ForEach(x => grid.Item().AspectRatio(4 / 3f).Image(Placeholders.Image));
             });
         }
     }

QuestPDF.ReportSample/Layouts/StandardReport.cs

@@ -0,0 +1,89 @@
+using QuestPDF.Drawing;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.ReportSample.Layouts
+{
+    public class StandardReport : IDocument
+    {
+        private ReportModel Model { get; }
+
+        public StandardReport(ReportModel model)
+        {
+            Model = model;
+        }
+        
+        public DocumentMetadata GetMetadata()
+        {
+            return new DocumentMetadata()
+            {
+                Title = Model.Title,
+                Size = PageSizes.A4
+            };
+        }
+
+        public void Compose(IContainer container)
+        {
+            container
+                .PaddingVertical(40)
+                .PaddingHorizontal(50)
+                .Page(page =>
+                {
+                    page.Header().Element(ComposeHeader);
+                    page.Content().Element(ComposeContent);
+                    page.Footer().AlignCenter().PageNumber("Page {number}");
+                });
+        }
+
+        private void ComposeHeader(IContainer container)
+        {
+            container.Stack(stack =>
+            {
+                stack.Item().Row(row =>
+                {
+                    row.Spacing(50);
+                    
+                    row.RelativeColumn().PaddingTop(-10).Text(Model.Title, Typography.Title);
+                    row.ConstantColumn(150).ExternalLink("https://www.questpdf.com").Image(Model.LogoData);
+                });
+
+                stack.Item().ShowOnce().PaddingVertical(15).Border(1f).BorderColor(Colors.Grey.Lighten1).ExtendHorizontal();
+                
+                stack.Item().ShowOnce().Grid(grid =>
+                {
+                    grid.Columns(2);
+                    grid.Spacing(5);
+                        
+                    foreach (var field in Model.HeaderFields)
+                    {
+                        grid.Item().Stack(row =>
+                        {   
+                            row.Item().AlignLeft().Text(field.Label, Typography.Normal.SemiBold());
+                            row.Item().Text(field.Value, Typography.Normal);
+                        });
+                    }
+                });
+            });
+        }
+
+        void ComposeContent(IContainer container)
+        {
+            container.PaddingVertical(20).Stack(stack =>
+            {
+                stack.Spacing(20);
+
+                stack.Item().Component(new TableOfContentsTemplate(Model.Sections));
+                
+                foreach (var section in Model.Sections)
+                    stack.Item().Location(section.Title).Component(new SectionTemplate(section));
+
+                stack.Item().PageBreak();
+                stack.Item().Location("Photos");
+                
+                foreach (var photo in Model.Photos)
+                    stack.Item().Component(new PhotoTemplate(photo));
+            });
+        }
+    }
+}

QuestPDF.ReportSample/Layouts/TableOfContentsTemplate.cs

@@ -0,0 +1,49 @@
+using System.Collections.Generic;
+using QuestPDF.Fluent;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.ReportSample.Layouts
+{
+    public class TableOfContentsTemplate : IComponent
+    {
+        private List<ReportSection> Sections { get; }
+
+        public TableOfContentsTemplate(List<ReportSection> sections)
+        {
+            Sections = sections;
+        }
+        
+        public void Compose(IContainer container)
+        {
+            container
+                .Decoration(decoration =>
+                {
+                    decoration
+                        .Header()
+                        .PaddingBottom(5)
+                        .Text("Table of contents", Typography.Headline);
+
+                    decoration.Content().Stack(stack =>
+                    {
+                        stack.Spacing(5);
+                        
+                        for (var i = 0; i < Sections.Count; i++)
+                            stack.Item().Element(c => DrawLink(c, i+1, Sections[i].Title));
+
+                        stack.Item().Element(c => DrawLink(c, Sections.Count+1, "Photos"));
+                    });
+                });
+        }
+
+        private void DrawLink(IContainer container, int number, string locationName)
+        {
+            container
+                .InternalLink(locationName)
+                .Row(row =>
+                {
+                    row.ConstantColumn(25).Text($"{number}.", Typography.Normal);
+                    row.RelativeColumn().Text(locationName, Typography.Normal);
+                });
+        }
+    }
+}

QuestPDF.ReportSample/Models.cs

@@ -44,16 +44,22 @@ namespace QuestPDF.ReportSample
     
     public class ReportSectionMap : ReportSectionElement
     {
+        public Func<Size, byte[]> ImageSource { get; set; }
         public Location Location { get; set; }
     }
 
     public class ReportSectionPhotos : ReportSectionElement
     {
-        public int PhotoCount { get; set; }
+        public List<byte[]> Photos { get; set; }
     }
 
     public class ReportPhoto
-    {
+    { 
+        public byte[] PhotoData { get; set; }
+        
+        public Func<Size, byte[]> MapDetailsSource { get; set; }
+        public Func<Size, byte[]> MapContextSource { get; set; }
+        
         public Location Location { get; set; }
         
         public DateTime? Date { get; set; }

QuestPDF.ReportSample/QuestPDF.ReportSample.csproj

@@ -1,18 +1,18 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
         <IsPackable>false</IsPackable>
         <LangVersion>8</LangVersion>
         <RootNamespace>QuestPDF.ReportSample</RootNamespace>
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="BenchmarkDotNet" Version="0.13.1" />
-        <PackageReference Include="nunit" Version="3.13.2" />
-        <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
-        <PackageReference Include="SkiaSharp" Version="2.88.3" />
+        <PackageReference Include="DeepCloner" Version="0.10.2" />
+        <PackageReference Include="nunit" Version="3.12.0" />
+        <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+        <PackageReference Include="SkiaSharp" Version="2.80.2" />
     </ItemGroup>
 
     <ItemGroup>

QuestPDF.ReportSample/Tests.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using NUnit.Framework;
+using QuestPDF.Fluent;
+using QuestPDF.ReportSample.Layouts;
+
+namespace QuestPDF.ReportSample
+{
+    public class ReportGeneration
+    {
+        [Test] 
+        public void GenerateAndShow()
+        {
+            var reportModel = DataSource.GetReport();
+            var report = new StandardReport(reportModel);
+            
+            var path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"test_result.pdf");
+            report.GeneratePdf(path);
+            
+            Process.Start("explorer.exe", path);
+        }
+
+        [Test] 
+        public void PerformanceBenchmark()
+        {
+            // target document length should be around 100 pages
+            
+            // test size
+            const int testSize = 100;
+            const decimal performanceTarget = 1; // documents per second
+
+            // create report models
+            var reports = Enumerable
+                .Range(0, testSize)
+                .Select(x =>
+                {
+                    var reportModel = DataSource.GetReport();
+                    return new StandardReport(reportModel);
+                })
+                .ToList();
+
+            // generate documents
+            var sw = new Stopwatch();
+            
+            sw.Start();
+            var totalSize = reports.Select(x => x.GeneratePdf()).Sum(x => (long)x.Length);
+            sw.Stop();
+
+            // show summary
+            Console.WriteLine($"Total size: {totalSize:N0} bytes");
+            
+            var performance = sw.ElapsedMilliseconds / (decimal)testSize;
+            var speed = 1000M / performance;
+            Console.WriteLine($"Test time: {sw.ElapsedMilliseconds} ms");
+            Console.WriteLine($"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.");
+        }
+    }
+}

QuestPDF.ReportSample/Typography.cs

@@ -6,8 +6,8 @@ namespace QuestPDF.ReportSample
 {
     public static class Typography
     {
-        public static TextStyle Title => TextStyle.Default.FontFamily(Fonts.Lato).FontColor(Colors.Blue.Darken3).FontSize(26).Black();
-        public static TextStyle Headline => TextStyle.Default.FontFamily(Fonts.Lato).FontColor(Colors.Blue.Medium).FontSize(16).SemiBold();
-        public static TextStyle Normal => TextStyle.Default.FontFamily(Fonts.Lato).FontColor(Colors.Black).FontSize(10).LineHeight(1.2f);
+        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(1.25f).AlignLeft();
     }
-}
+}

QuestPDF.UnitTests/AlignmentTests.cs

@@ -1,5 +1,5 @@
 using NUnit.Framework;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
@@ -10,7 +10,11 @@ namespace QuestPDF.UnitTests
     public class AlignmentTests
     {
         [Test]
-        public void Measure() => SimpleContainerTests.Measure<Alignment>();
+        public void Measure_ShouldHandleNullChild() => new Alignment().MeasureWithoutChild();
+        
+        [Test]
+        public void Draw_ShouldHandleNullChild() => new Alignment().DrawWithoutChild();
+
         [Test]
         public void Draw_HorizontalCenter_VerticalCenter()
         {
@@ -23,7 +27,7 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .DrawElement(new Size(1000, 500))
-                .ExpectChildMeasure(expectedInput: new Size(1000, 500), returns: SpacePlan.PartialRender(new Size(400, 200)))
+                .ExpectChildMeasure(expectedInput: new Size(1000, 500), returns: new PartialRender(new Size(400, 200)))
                 .ExpectCanvasTranslate(new Position(300, 150))
                 .ExpectChildDraw(new Size(400, 200))
                 .ExpectCanvasTranslate(new Position(-300, -150))
@@ -42,7 +46,7 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: SpacePlan.FullRender(new Size(100, 50)))
+                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: new FullRender(new Size(100, 50)))
                 .ExpectCanvasTranslate(new Position(0, 125))
                 .ExpectChildDraw(new Size(100, 50))
                 .ExpectCanvasTranslate(new Position(0, -125))
@@ -61,7 +65,7 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: SpacePlan.FullRender(new Size(100, 50)))
+                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: new FullRender(new Size(100, 50)))
                 .ExpectCanvasTranslate(new Position(150, 250))
                 .ExpectChildDraw(new Size(100, 50))
                 .ExpectCanvasTranslate(new Position(-150, -250))
@@ -80,49 +84,11 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: SpacePlan.FullRender(new Size(100, 50)))
+                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: new FullRender(new Size(100, 50)))
                 .ExpectCanvasTranslate(new Position(300, 0))
                 .ExpectChildDraw(new Size(100, 50))
                 .ExpectCanvasTranslate(new Position(-300, 0))
                 .CheckDrawResult();
         }
-        
-        [Test]
-        public void Draw_HorizontalCenter_VerticalNone()
-        {
-            TestPlan
-                .For(x => new Alignment
-                {
-                    Horizontal = HorizontalAlignment.Center,
-                    Vertical = null,
-                    
-                    Child = x.CreateChild()
-                })
-                .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: SpacePlan.FullRender(new Size(100, 50)))
-                .ExpectCanvasTranslate(new Position(150, 0))
-                .ExpectChildDraw(new Size(100, 300))
-                .ExpectCanvasTranslate(new Position(-150, 0))
-                .CheckDrawResult();
-        }
-        
-        [Test]
-        public void Draw_HorizontalNone_VerticalMiddle()
-        {
-            TestPlan
-                .For(x => new Alignment
-                {
-                    Horizontal = null,
-                    Vertical = VerticalAlignment.Middle,
-                    
-                    Child = x.CreateChild()
-                })
-                .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: SpacePlan.FullRender(new Size(100, 50)))
-                .ExpectCanvasTranslate(new Position(0, 125))
-                .ExpectChildDraw(new Size(400, 50))
-                .ExpectCanvasTranslate(new Position(0, -125))
-                .CheckDrawResult();
-        }
     }
 }

QuestPDF.UnitTests/AspectRatioTests.cs

@@ -1,5 +1,5 @@
 using NUnit.Framework;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
@@ -9,6 +9,12 @@ 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()
         {
@@ -20,8 +26,8 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .MeasureElement(new Size(400, 201))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.FullRender(100, 50))
-                .CheckMeasureResult(SpacePlan.FullRender(400, 200));
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(100, 50))
+                .CheckMeasureResult(new FullRender(400, 200));
         }
         
         [Test]
@@ -35,8 +41,8 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .MeasureElement(new Size(400, 201))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.PartialRender(100, 50))
-                .CheckMeasureResult(SpacePlan.PartialRender(400, 200));
+                .ExpectChildMeasure(new Size(400, 200), new PartialRender(100, 50))
+                .CheckMeasureResult(new PartialRender(400, 200));
         }
         
         [Test]
@@ -50,8 +56,8 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .MeasureElement(new Size(400, 201))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .ExpectChildMeasure(new Size(400, 200), new Wrap())
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -65,8 +71,8 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .MeasureElement(new Size(400, 201))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.FullRender(100, 50))
-                .CheckMeasureResult(SpacePlan.FullRender(400, 200));
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(100, 50))
+                .CheckMeasureResult(new FullRender(400, 200));
         }
 
         [Test]
@@ -80,7 +86,7 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .MeasureElement(new Size(400, 199))
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -94,8 +100,8 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .MeasureElement(new Size(401, 200))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.FullRender(100, 50))
-                .CheckMeasureResult(SpacePlan.FullRender(400, 200));
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(100, 50))
+                .CheckMeasureResult(new FullRender(400, 200));
         }
         
         [Test]
@@ -109,7 +115,7 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .MeasureElement(new Size(399, 200))
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -123,8 +129,8 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.FullRender(100, 50))
-                .CheckMeasureResult(SpacePlan.FullRender(400, 200));
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(100, 50))
+                .CheckMeasureResult(new FullRender(400, 200));
         }
         
         [Test]
@@ -138,8 +144,8 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .MeasureElement(new Size(500, 200))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.FullRender(100, 50))
-                .CheckMeasureResult(SpacePlan.FullRender(400, 200));
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(100, 50))
+                .CheckMeasureResult(new FullRender(400, 200));
         }
         
         [Test]
@@ -153,9 +159,7 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .DrawElement(new Size(500, 200))
-                .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw(new Size(400, 200))
-                .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult();
         }
         
@@ -170,45 +174,7 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .DrawElement(new Size(400, 300))
-                .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw(new Size(400, 200))
-                .ExpectCanvasTranslate(0, 0)
-                .CheckDrawResult();
-        } 
-        
-        [Test]
-        public void DrawChild_PerWidth_RightToLeft()
-        {
-            TestPlan
-                .For(x => new AspectRatio
-                {
-                    Child = x.CreateChild(),
-                    Option = AspectRatioOption.FitArea,
-                    Ratio = 2f,
-                    ContentDirection = ContentDirection.RightToLeft
-                })
-                .DrawElement(new Size(500, 200))
-                .ExpectCanvasTranslate(100, 0)
-                .ExpectChildDraw(new Size(400, 200))
-                .ExpectCanvasTranslate(-100, 0)
-                .CheckDrawResult();
-        }
-        
-        [Test]
-        public void DrawChild_PerHeight_RightToLeft()
-        {
-            TestPlan
-                .For(x => new AspectRatio
-                {
-                    Child = x.CreateChild(),
-                    Option = AspectRatioOption.FitArea,
-                    Ratio = 2f,
-                    ContentDirection = ContentDirection.RightToLeft
-                })
-                .DrawElement(new Size(400, 300))
-                .ExpectCanvasTranslate(0, 0)
-                .ExpectChildDraw(new Size(400, 200))
-                .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult();
         } 
     }

QuestPDF.UnitTests/BackgroundTests.cs

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

QuestPDF.UnitTests/BorderTests.cs

@@ -1,5 +1,5 @@
 using NUnit.Framework;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
@@ -11,8 +11,8 @@ namespace QuestPDF.UnitTests
     public class BorderTests
     {
         [Test]
-        public void Measure() => SimpleContainerTests.Measure<Border>();
-        
+        public void Measure_ShouldHandleNullChild() => new Border().MeasureWithoutChild();
+
         [Test]
         public void ComponentShouldNotAffectLayout()
         {
@@ -27,8 +27,8 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: SpacePlan.FullRender(new Size(100, 50)))
-                .CheckMeasureResult( SpacePlan.FullRender(new Size(100, 50)));
+                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: new FullRender(new Size(100, 50)))
+                .CheckMeasureResult( new FullRender(new Size(100, 50)));
         }
         
         [Test]

QuestPDF.UnitTests/ConstrainedTests.cs

@@ -0,0 +1,98 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class ConstrainedTests
+    {
+        [Test]
+        public void Measure_ShouldHandleNullChild() => new Constrained().MeasureWithoutChild();
+        
+        [Test]
+        public void Draw_ShouldHandleNullChild() => new Constrained().DrawWithoutChild();
+
+        [Test]
+        public void Measure_MinHeight_ExpectWrap()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MinHeight = 100
+                })
+                .MeasureElement(new Size(400, 50))
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_MinHeight_ExtendHeight()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MinHeight = 100,
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(400, 200))
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(400, 50))
+                .CheckMeasureResult(new FullRender(400, 100));
+        }
+        
+        [Test]
+        public void Measure_MinHeight_PassHeight()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MinHeight = 100,
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(400, 200))
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(400, 150))
+                .CheckMeasureResult(new FullRender(400, 150));
+        }
+        
+        [Test]
+        public void Measure_MaxHeight_Empty()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MaxHeight = 100
+                })
+                .MeasureElement(new Size(400, 150))
+                .CheckMeasureResult(new FullRender(0, 0));
+        }
+        
+        [Test]
+        public void Measure_MaxHeight_PartialRender()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MaxHeight = 100,
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(400, 200))
+                .ExpectChildMeasure(new Size(400, 100), new PartialRender(400, 75))
+                .CheckMeasureResult(new PartialRender(400, 75));
+        }
+        
+        [Test]
+        public void Measure_MaxHeight_ExpectWrap()
+        {
+            TestPlan
+                .For(x => new Constrained
+                {
+                    MaxHeight = 100,
+                    Child = x.CreateChild()
+                })
+                .MeasureElement(new Size(400, 200))
+                .ExpectChildMeasure(new Size(400, 100), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+    }
+}

QuestPDF.UnitTests/DebugTests.cs

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

QuestPDF.UnitTests/DecorationTests.cs

@@ -0,0 +1,136 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class DecorationTests
+    {
+        #region Measure
+
+        [Test]
+        public void Measure_ReturnsWrap_WhenDecorationReturnsWrap()
+        {
+            TestPlan
+                .For(x => new SimpleDecoration
+                {
+                    Type = DecorationType.Append,
+                    DecorationElement = x.CreateChild("decoration"),
+                    ContentElement = x.CreateChild("content")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("decoration", new Size(400, 300), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_ReturnsWrap_WhenDecorationReturnsPartialRender()
+        {
+            TestPlan
+                .For(x => new SimpleDecoration
+                {
+                    Type = DecorationType.Append,
+                    DecorationElement = x.CreateChild("decoration"),
+                    ContentElement = x.CreateChild("content")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("decoration", new Size(400, 300), new PartialRender(300, 200))
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_ReturnsWrap_WhenContentReturnsWrap()
+        {
+            TestPlan
+                .For(x => new SimpleDecoration
+                {
+                    Type = DecorationType.Append,
+                    DecorationElement = x.CreateChild("decoration"),
+                    ContentElement = x.CreateChild("content")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("decoration", new Size(400, 300), new FullRender(300, 100))
+                .ExpectChildMeasure("content", new Size(400, 200), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_ReturnsPartialRender_WhenContentReturnsPartialRender()
+        {
+            TestPlan
+                .For(x => new SimpleDecoration
+                {
+                    Type = DecorationType.Append,
+                    DecorationElement = x.CreateChild("decoration"),
+                    ContentElement = x.CreateChild("content")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("decoration", new Size(400, 300), new FullRender(300, 100))
+                .ExpectChildMeasure("content", new Size(400, 200), new PartialRender(200, 150))
+                .CheckMeasureResult(new PartialRender(400, 250));
+        }
+        
+        [Test]
+        public void Measure_ReturnsFullRender_WhenContentReturnsFullRender()
+        {
+            TestPlan
+                .For(x => new SimpleDecoration
+                {
+                    Type = DecorationType.Append,
+                    DecorationElement = x.CreateChild("decoration"),
+                    ContentElement = x.CreateChild("content")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("decoration", new Size(400, 300), new FullRender(300, 100))
+                .ExpectChildMeasure("content", new Size(400, 200), new FullRender(200, 150))
+                .CheckMeasureResult(new FullRender(400, 250));
+        }
+        
+        #endregion
+        
+        #region Draw
+        
+        [Test]
+        public void Draw_Prepend()
+        {
+            TestPlan
+                .For(x => new SimpleDecoration
+                {
+                    Type = DecorationType.Prepend,
+                    DecorationElement = x.CreateChild("decoration"),
+                    ContentElement = x.CreateChild("content")
+                })
+                .DrawElement(new Size(400, 300))
+                .ExpectChildMeasure("decoration", new Size(400, 300), new FullRender(300, 100))
+                .ExpectChildDraw("decoration", new Size(400, 100))
+                .ExpectCanvasTranslate(0, 100)
+                .ExpectChildDraw("content", new Size(400, 200))
+                .ExpectCanvasTranslate(0, -100)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_Append()
+        {
+            TestPlan
+                .For(x => new SimpleDecoration
+                {
+                    Type = DecorationType.Append,
+                    DecorationElement = x.CreateChild("decoration"),
+                    ContentElement = x.CreateChild("content")
+                })
+                .DrawElement(new Size(400, 300))
+                .ExpectChildMeasure("decoration", new Size(400, 300), new FullRender(300, 100))
+                .ExpectChildDraw("content", new Size(400, 200))
+                .ExpectCanvasTranslate(0, 200)
+                .ExpectChildDraw("decoration", new Size(400, 100))
+                .ExpectCanvasTranslate(0, -200)
+                .CheckDrawResult();
+        }
+
+        #endregion
+    }
+}

QuestPDF.UnitTests/DynamicImageTests.cs

@@ -1,6 +1,6 @@
 using FluentAssertions;
 using NUnit.Framework;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
@@ -20,7 +20,7 @@ namespace QuestPDF.UnitTests
                     Source = GenerateImage
                 })
                 .MeasureElement(new Size(300, 200))
-                .CheckMeasureResult(SpacePlan.FullRender(300, 200));
+                .CheckMeasureResult(new FullRender(300, 200));
         }
         
         [Test]
@@ -51,7 +51,7 @@ namespace QuestPDF.UnitTests
         [Test]
         public void Draw_PassesCorrectSizeToSource()
         {
-            Size passedSize = default;
+            Size passedSize = null;
 
             TestPlan
                 .For(x => new DynamicImage
@@ -66,7 +66,7 @@ namespace QuestPDF.UnitTests
                 .ExpectCanvasDrawImage(Position.Zero, new Size(400, 300))
                 .CheckDrawResult();
             
-            passedSize.Should().BeEquivalentTo(new Size(400, 300));
+            passedSize.Should().Be(new Size(400, 300));
         }
         
         byte[] GenerateImage(Size size)

QuestPDF.UnitTests/EnsureSpaceTests.cs

@@ -1,5 +1,5 @@
 using NUnit.Framework;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
@@ -19,8 +19,8 @@ namespace QuestPDF.UnitTests
                     MinHeight = 200
                 })
                 .MeasureElement(new Size(400, 100))
-                .ExpectChildMeasure(new Size(400, 100), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .ExpectChildMeasure(new Size(400, 100), new Wrap())
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -33,8 +33,8 @@ namespace QuestPDF.UnitTests
                     MinHeight = 200
                 })
                 .MeasureElement(new Size(400, 100))
-                .ExpectChildMeasure(new Size(400, 100), SpacePlan.PartialRender(300, 50))
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .ExpectChildMeasure(new Size(400, 100), new PartialRender(300, 50))
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -47,8 +47,8 @@ namespace QuestPDF.UnitTests
                     MinHeight = 200
                 })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(new Size(400, 300), SpacePlan.PartialRender(300, 250))
-                .CheckMeasureResult(SpacePlan.PartialRender(300, 250));
+                .ExpectChildMeasure(new Size(400, 300), new PartialRender(300, 250))
+                .CheckMeasureResult(new PartialRender(300, 250));
         }
         
         [Test]
@@ -61,8 +61,8 @@ namespace QuestPDF.UnitTests
                     MinHeight = 200
                 })
                 .MeasureElement(new Size(400, 100))
-                .ExpectChildMeasure(new Size(400, 100), SpacePlan.FullRender(300, 50))
-                .CheckMeasureResult(SpacePlan.FullRender(300, 50));
+                .ExpectChildMeasure(new Size(400, 100), new FullRender(300, 50))
+                .CheckMeasureResult(new FullRender(300, 50));
         }
         
         [Test]
@@ -75,11 +75,8 @@ namespace QuestPDF.UnitTests
                     MinHeight = 200
                 })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(new Size(400, 300), SpacePlan.FullRender(300, 250))
-                .CheckMeasureResult(SpacePlan.FullRender(300, 250));
+                .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

@@ -1,5 +1,5 @@
 using NUnit.Framework;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
@@ -9,6 +9,12 @@ 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()
         {
@@ -18,8 +24,8 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .MeasureElement(new Size(400, 200))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .ExpectChildMeasure(new Size(400, 200), new Wrap())
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -33,8 +39,8 @@ namespace QuestPDF.UnitTests
                     ExtendVertical = true
                 })
                 .MeasureElement(new Size(400, 200))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.PartialRender(300, 100))
-                .CheckMeasureResult(SpacePlan.PartialRender(400, 200));
+                .ExpectChildMeasure(new Size(400, 200), new PartialRender(300, 100))
+                .CheckMeasureResult(new PartialRender(400, 200));
         }
         
         [Test]
@@ -48,8 +54,8 @@ namespace QuestPDF.UnitTests
                     ExtendVertical = true
                 })
                 .MeasureElement(new Size(400, 200))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.FullRender(300, 100))
-                .CheckMeasureResult(SpacePlan.FullRender(400, 200));
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(300, 100))
+                .CheckMeasureResult(new FullRender(400, 200));
         }
         
         [Test]
@@ -63,8 +69,8 @@ namespace QuestPDF.UnitTests
                     ExtendVertical = false
                 })
                 .MeasureElement(new Size(400, 200))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.FullRender(100, 100))
-                .CheckMeasureResult(SpacePlan.FullRender(400, 100));
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(100, 100))
+                .CheckMeasureResult(new FullRender(400, 100));
         }
         
         [Test]
@@ -78,11 +84,8 @@ namespace QuestPDF.UnitTests
                     ExtendVertical = true
                 })
                 .MeasureElement(new Size(400, 200))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.FullRender(100, 100))
-                .CheckMeasureResult(SpacePlan.FullRender(100, 200));
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(100, 100))
+                .CheckMeasureResult(new FullRender(100, 200));
         }
-
-        [Test]
-        public void Draw() => SimpleContainerTests.Draw<Extend>();
     }
 }

QuestPDF.UnitTests/GridTests.cs

@@ -1,4 +1,5 @@
 using FluentAssertions;
+using FluentAssertions.Equivalency;
 using NUnit.Framework;
 using QuestPDF.Elements;
 using QuestPDF.Fluent;
@@ -39,30 +40,30 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Column(column =>
+            expected.Container().Stack(stack =>
             {
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
-                    row.RelativeItem(6).Element(childA);
-                    row.RelativeItem(4).Element(childB);
-                    row.RelativeItem(2);
+                    row.RelativeColumn(6).Container().Element(childA);
+                    row.RelativeColumn(4).Container().Element(childB);
+                    row.RelativeColumn(2);
                 });
                 
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
-                    row.RelativeItem(4).Element(childC);
-                    row.RelativeItem(2).Element(childD);
-                    row.RelativeItem(6);
+                    row.RelativeColumn(4).Container().Element(childC);
+                    row.RelativeColumn(2).Container().Element(childD);
+                    row.RelativeColumn(6);
                 });
                 
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
-                    row.RelativeItem(8).Element(childE);
-                    row.RelativeItem(4);
+                    row.RelativeColumn(8).Container().Element(childE);
+                    row.RelativeColumn(4);
                 });
             });
             
-            TestPlan.CompareOperations(structure, expected);
+            structure.Should().BeEquivalentTo(expected, o => o.WithTracing().WithAutoConversion().WithStrictOrdering().IncludingAllRuntimeProperties());
         }
         
         [Test]
@@ -93,33 +94,33 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Column(column =>
+            expected.Container().Stack(stack =>
             {
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
-                    row.RelativeItem(1);
-                    row.RelativeItem(6).Element(childA);
-                    row.RelativeItem(4).Element(childB);
-                    row.RelativeItem(1);
+                    row.RelativeColumn(1);
+                    row.RelativeColumn(6).Container().Element(childA);
+                    row.RelativeColumn(4).Container().Element(childB);
+                    row.RelativeColumn(1);
                 });
                 
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
-                    row.RelativeItem(3);
-                    row.RelativeItem(4).Element(childC);
-                    row.RelativeItem(2).Element(childD);
-                    row.RelativeItem(3);
+                    row.RelativeColumn(3);
+                    row.RelativeColumn(4).Container().Element(childC);
+                    row.RelativeColumn(2).Container().Element(childD);
+                    row.RelativeColumn(3);
                 });
                 
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
-                    row.RelativeItem(2);
-                    row.RelativeItem(8).Element(childE);
-                    row.RelativeItem(2);
+                    row.RelativeColumn(2);
+                    row.RelativeColumn(8).Container().Element(childE);
+                    row.RelativeColumn(2);
                 });
             });
 
-            TestPlan.CompareOperations(structure, expected);
+            structure.Should().BeEquivalentTo(expected, o => o.WithTracing().WithAutoConversion().WithStrictOrdering().IncludingAllRuntimeProperties());
         }
         
         [Test]
@@ -150,30 +151,30 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Column(column =>
+            expected.Container().Stack(stack =>
             {
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
-                    row.RelativeItem(2);
-                    row.RelativeItem(6).Element(childA);
-                    row.RelativeItem(4).Element(childB);
+                    row.RelativeColumn(2);
+                    row.RelativeColumn(6).Container().Element(childA);
+                    row.RelativeColumn(4).Container().Element(childB);
                 });
                 
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
-                    row.RelativeItem(6);
-                    row.RelativeItem(4).Element(childC);
-                    row.RelativeItem(2).Element(childD);
+                    row.RelativeColumn(6);
+                    row.RelativeColumn(4).Container().Element(childC);
+                    row.RelativeColumn(2).Container().Element(childD);
                 });
                 
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
-                    row.RelativeItem(4);
-                    row.RelativeItem(8).Element(childE);
+                    row.RelativeColumn(4);
+                    row.RelativeColumn(8).Container().Element(childE);
                 });
             });
             
-            TestPlan.CompareOperations(structure, expected);
+            structure.Should().BeEquivalentTo(expected, o => o.WithTracing().WithAutoConversion().WithStrictOrdering().IncludingAllRuntimeProperties());
         }
         
         #endregion
@@ -210,40 +211,40 @@ namespace QuestPDF.UnitTests
             // assert
             var expected = new Container();
             
-            expected.Column(column =>
+            expected.Container().Stack(stack =>
             {
-                column.Spacing(20);
+                stack.Spacing(20);
                 
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
                     row.Spacing(30);
                     
-                    row.RelativeItem(3);
-                    row.RelativeItem(5).Element(childA);
-                    row.RelativeItem(5).Element(childB);
-                    row.RelativeItem(3);
+                    row.RelativeColumn(3);
+                    row.RelativeColumn(5).Container().Element(childA);
+                    row.RelativeColumn(5).Container().Element(childB);
+                    row.RelativeColumn(3);
                 });
                 
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
                     row.Spacing(30);
                     
-                    row.RelativeItem(3);
-                    row.RelativeItem(10).Element(childC);
-                    row.RelativeItem(3);
+                    row.RelativeColumn(3);
+                    row.RelativeColumn(10).Container().Element(childC);
+                    row.RelativeColumn(3);
                 });
                 
-                column.Item().Row(row =>
+                stack.Item().Row(row =>
                 {
                     row.Spacing(30);
                     
-                    row.RelativeItem(2);
-                    row.RelativeItem(12).Element(childD);
-                    row.RelativeItem(2);
+                    row.RelativeColumn(2);
+                    row.RelativeColumn(12).Container().Element(childD);
+                    row.RelativeColumn(2);
                 });
             });
             
-            TestPlan.CompareOperations(structure, expected);
+            structure.Should().BeEquivalentTo(expected, o => o.WithTracing().WithAutoConversion().WithStrictOrdering().IncludingAllRuntimeProperties().AllowingInfiniteRecursion());
         }
         
         #endregion

QuestPDF.UnitTests/Helpers.cs

@@ -0,0 +1,30 @@
+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

@@ -0,0 +1,68 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Fluent;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+using SkiaSharp;
+
+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()
+        {
+            TestPlan
+                .For(x => new Image
+                {
+                    InternalImage = GenerateImage(400, 300)
+                })
+                .MeasureElement(new Size(300, 200))
+                .CheckMeasureResult(new FullRender(300, 200));
+        }
+        
+        [Test]
+        public void Draw_TakesAvailableSpaceRegardlessOfSize()
+        {
+            TestPlan
+                .For(x => new Image
+                {
+                    InternalImage = GenerateImage(400, 300)
+                })
+                .DrawElement(new Size(300, 200))
+                .ExpectCanvasDrawImage(new Position(0, 0), new Size(300, 200))
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Fluent_RecognizesImageProportions()
+        {
+            var image = GenerateImage(600, 200).Encode(SKEncodedImageFormat.Png, 100).ToArray();
+            
+            TestPlan
+                .For(x =>
+                {
+                    var container = new Container();
+                    container.Image(image);
+                    return container;
+                })
+                .MeasureElement(new Size(300, 200))
+                .CheckMeasureResult(new FullRender(300, 100));;
+        }
+        
+        SKImage GenerateImage(int width, int height)
+        {
+            var imageInfo = new SKImageInfo(width, height);
+            using var surface = SKSurface.Create(imageInfo);
+            return surface.Snapshot();
+        }
+    }
+}

QuestPDF.UnitTests/PaddingTests.cs

@@ -1,5 +1,5 @@
 using NUnit.Framework;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
@@ -9,6 +9,12 @@ 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()
@@ -28,8 +34,8 @@ namespace QuestPDF.UnitTests
             TestPlan
                 .For(GetPadding)
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(new Size(340, 260), SpacePlan.FullRender(140, 60))
-                .CheckMeasureResult(SpacePlan.FullRender(200, 100));
+                .ExpectChildMeasure(new Size(340, 260), new FullRender(140, 60))
+                .CheckMeasureResult(new FullRender(200, 100));
         } 
         
         [Test]
@@ -38,7 +44,7 @@ namespace QuestPDF.UnitTests
             TestPlan
                 .For(GetPadding)
                 .MeasureElement(new Size(50, 300))
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -47,7 +53,7 @@ namespace QuestPDF.UnitTests
             TestPlan
                 .For(GetPadding)
                 .MeasureElement(new Size(20, 300))
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -56,8 +62,8 @@ namespace QuestPDF.UnitTests
             TestPlan
                 .For(GetPadding)
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(new Size(340, 260), SpacePlan.PartialRender(40, 160))
-                .CheckMeasureResult(SpacePlan.PartialRender(100, 200));
+                .ExpectChildMeasure(new Size(340, 260), new PartialRender(40, 160))
+                .CheckMeasureResult(new PartialRender(100, 200));
         }
         
         [Test]
@@ -66,8 +72,8 @@ namespace QuestPDF.UnitTests
             TestPlan
                 .For(GetPadding)
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(new Size(340, 260), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .ExpectChildMeasure(new Size(340, 260), new Wrap())
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]

QuestPDF.UnitTests/PageBreakTests.cs

@@ -1,5 +1,5 @@
 using NUnit.Framework;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
@@ -16,13 +16,13 @@ namespace QuestPDF.UnitTests
                 .For(x => new PageBreak())
                 
                 .MeasureElement(new Size(400, 300))
-                .CheckMeasureResult(SpacePlan.PartialRender(Size.Zero))
+                .CheckMeasureResult(new PartialRender(400, 300))
                 
                 .DrawElement(new Size(400, 300))
                 .CheckDrawResult()
                 
                 .MeasureElement(new Size(500, 400))
-                .CheckMeasureResult(SpacePlan.FullRender(0, 0));
+                .CheckMeasureResult(new FullRender(Size.Zero));
         }
     }
 }

QuestPDF.UnitTests/PageNumberTests.cs

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

QuestPDF.UnitTests/QuestPDF.UnitTests.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <IsPackable>false</IsPackable>
+    </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="Microsoft.NET.Test.Sdk" Version="16.7.0" />
+        <PackageReference Include="SkiaSharp" Version="2.80.2" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\QuestPDF\QuestPDF.csproj" />
+    </ItemGroup>
+
+</Project>

QuestPDF.UnitTests/RowTests.cs

@@ -0,0 +1,116 @@
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+using QuestPDF.UnitTests.TestEngine;
+
+namespace QuestPDF.UnitTests
+{
+    [TestFixture]
+    public class RowTests
+    {
+        #region Measure
+        
+        [Test]
+        public void Measure_ReturnsWrap_WhenLeftChildReturnsWrap()
+        {
+            TestPlan
+                .For(x => new SimpleRow
+                {
+                    Left = x.CreateChild("left"),
+                    Right = x.CreateChild("right")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("left", new Size(400, 300), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_ReturnsWrap_WhenRightChildReturnsWrap()
+        {
+            TestPlan
+                .For(x => new SimpleRow
+                {
+                    Left = x.CreateChild("left"),
+                    Right = x.CreateChild("right")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("left", new Size(400, 300), new FullRender(250, 150))
+                .ExpectChildMeasure("right", new Size(150, 300), new Wrap())
+                .CheckMeasureResult(new Wrap());
+        }
+        
+        [Test]
+        public void Measure_ReturnsPartialRender_WhenLeftChildReturnsPartialRender()
+        {
+            TestPlan
+                .For(x => new SimpleRow
+                {
+                    Left = x.CreateChild("left"),
+                    Right = x.CreateChild("right")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("left", new Size(400, 300), new PartialRender(250, 150))
+                .ExpectChildMeasure("right", new Size(150, 300), new FullRender(100, 100))
+                .CheckMeasureResult(new PartialRender(350, 150));
+        }
+        
+        [Test]
+        public void Measure_ReturnsPartialRender_WhenRightChildReturnsPartialRender()
+        {
+            TestPlan
+                .For(x => new SimpleRow
+                {
+                    Left = x.CreateChild("left"),
+                    Right = x.CreateChild("right")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("left", new Size(400, 300), new FullRender(250, 150))
+                .ExpectChildMeasure("right", new Size(150, 300), new PartialRender(100, 100))
+                .CheckMeasureResult(new PartialRender(350, 150));
+        }
+        
+        [Test]
+        public void Measure_ReturnsFullRender_WhenBothChildrenReturnFullRender()
+        {
+            TestPlan
+                .For(x => new SimpleRow
+                {
+                    Left = x.CreateChild("left"),
+                    Right = x.CreateChild("right")
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("left", new Size(400, 300), new FullRender(200, 150))
+                .ExpectChildMeasure("right", new Size(200, 300), new FullRender(100, 100))
+                .CheckMeasureResult(new FullRender(300, 150));
+        }
+        
+        #endregion
+
+        #region Draw
+
+        [Test]
+        public void Draw()
+        {
+            TestPlan
+                .For(x => new SimpleRow
+                {
+                    Left = x.CreateChild("left"),
+                    Right = x.CreateChild("right")
+                })
+                .DrawElement(new Size(400, 300))
+                .ExpectChildMeasure("left", new Size(400, 300), new FullRender(250, 150))
+                .ExpectChildDraw("left", new Size(250, 300))
+                .ExpectCanvasTranslate(250, 0)
+                .ExpectChildDraw("right", new Size(150, 300))
+                .ExpectCanvasTranslate(-250, 0)
+                .CheckDrawResult();
+        }
+
+        #endregion
+        
+        // TODO: add tests for the spacing property
+        // TODO: add tests for the tree builder method
+        // TODO: add tests for relative column
+    }
+}

QuestPDF.UnitTests/ShowEntireTests.cs

@@ -1,5 +1,5 @@
 using NUnit.Framework;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
@@ -18,8 +18,8 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(new Size(400, 300), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .ExpectChildMeasure(new Size(400, 300), new Wrap())
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -31,8 +31,8 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(new Size(400, 300), SpacePlan.PartialRender(300, 200))
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .ExpectChildMeasure(new Size(400, 300), new PartialRender(300, 200))
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
@@ -44,11 +44,8 @@ namespace QuestPDF.UnitTests
                     Child = x.CreateChild()
                 })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure(new Size(400, 300), SpacePlan.FullRender(300, 200))
-                .CheckMeasureResult(SpacePlan.FullRender(300, 200));
+                .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 +1,6 @@
-using NUnit.Framework;
-using QuestPDF.Drawing;
+using Moq;
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
@@ -10,7 +11,33 @@ namespace QuestPDF.UnitTests
     public class ShowOnceTest
     {
         [Test]
-        public void Draw()
+        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(null, Size.Zero);
+            element.Draw(null, Size.Zero);
+            
+            child.Verify(x => x.Draw(It.IsAny<ICanvas>(), It.IsAny<Size>()), Times.Once);
+        }
+        
+        [Test]
+        public void Draw_HorizontalRight_VerticalTop()
         {
             TestPlan
                 .For(x => new ShowOnce()
@@ -20,31 +47,31 @@ namespace QuestPDF.UnitTests
                 
                 // Measure the element and return result
                 .MeasureElement(new Size(300, 200))
-                .ExpectChildMeasure("child", new Size(300, 200), SpacePlan.PartialRender(new Size(200, 200)))
-                .CheckMeasureResult(SpacePlan.PartialRender(new Size(200, 200)))
+                .ExpectChildMeasure("child", new Size(300, 200), new PartialRender(new Size(200, 200)))
+                .CheckMeasureResult(new PartialRender(new Size(200, 200)))
                 
                 // Draw element partially
                 .DrawElement(new Size(200, 200))
-                .ExpectChildMeasure(new Size(200, 200), SpacePlan.PartialRender(new Size(200, 200)))
+                .ExpectChildMeasure(new Size(200, 200), new PartialRender(new Size(200, 200)))
                 .ExpectChildDraw(new Size(200, 200))
                 .CheckDrawResult()
                 
                 // Element was not fully drawn
                 // It should be measured again for rendering on next page
                 .MeasureElement(new Size(800, 200))
-                .ExpectChildMeasure(new Size(800, 200), SpacePlan.FullRender(new Size(400, 200)))
-                .CheckMeasureResult(SpacePlan.FullRender(new Size(400, 200)))
+                .ExpectChildMeasure(new Size(800, 200), new FullRender(new Size(400, 200)))
+                .CheckMeasureResult(new FullRender(new Size(400, 200)))
 
                 // Draw element on next page
                 // Element was fully drawn at this point
                 .DrawElement(new Size(400, 200))
-                .ExpectChildMeasure(new Size(400, 200), SpacePlan.FullRender(new Size(400, 200)))
+                .ExpectChildMeasure(new Size(400, 200), new FullRender(new Size(400, 200)))
                 .ExpectChildDraw(new Size(400, 200))
                 .CheckDrawResult()
                 
                 // In the next attempt of measuring element, it should behave like empty parent.
                 .MeasureElement(new Size(600, 200))
-                .CheckMeasureResult(SpacePlan.FullRender(0, 0))
+                .CheckMeasureResult(new FullRender(Size.Zero))
                 
                 // In the next attempt of measuring element, it should not draw its child
                 .DrawElement(new Size(600, 200))

QuestPDF.UnitTests/StackTests.cs

@@ -1,96 +1,105 @@
-using System.Linq;
-using NUnit.Framework;
-using QuestPDF.Drawing;
+using NUnit.Framework;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Elements;
-using QuestPDF.Fluent;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine;
 
 namespace QuestPDF.UnitTests
 {
     [TestFixture]
-    public class ColumnTests
+    public class StackTests
     {
-        private Column CreateColumnWithTwoItems(TestPlan testPlan)
-        {
-            return new Column
-            {
-                Items =
-                {
-                    new ColumnItem
-                    {
-                        Child = testPlan.CreateChild("first")
-                    },
-                    new ColumnItem
-                    {
-                        Child = testPlan.CreateChild("second")
-                    }
-                }
-            };
-        }
-        
-        private Column CreateColumnWithTwoItemsWhereFirstIsFullyRendered(TestPlan testPlan)
-        {
-            var column = CreateColumnWithTwoItems(testPlan);
-            column.Items.First().IsRendered = true;
-            return column;
-        }
-        
         #region Measure
 
         [Test]
         public void Measure_ReturnsWrap_WhenFirstChildWraps()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.Wrap());
+                .ExpectChildMeasure("first", new Size(400, 300), new Wrap())
+                .CheckMeasureResult(new Wrap());
         }
         
         [Test]
         public void Measure_ReturnsPartialRender_WhenFirstChildReturnsPartialRender()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.PartialRender(300, 200))
-                .CheckMeasureResult(SpacePlan.PartialRender(300, 200));
+                .ExpectChildMeasure("first", new Size(400, 300), new PartialRender(300, 200))
+                .CheckMeasureResult(new PartialRender(300, 200));
         }
         
         [Test]
         public void Measure_ReturnsPartialRender_WhenSecondChildWraps()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
-                .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.Wrap())
-                .CheckMeasureResult(SpacePlan.PartialRender(200, 100));
+                .ExpectChildMeasure("first", new Size(400, 300), new FullRender(200, 100))
+                .ExpectChildMeasure("second", new Size(400, 200), new Wrap())
+                .CheckMeasureResult(new PartialRender(200, 100));
         }
         
         [Test]
         public void Measure_ReturnsPartialRender_WhenSecondChildReturnsPartialRender()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
-                .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.PartialRender(300, 150))
-                .CheckMeasureResult(SpacePlan.PartialRender(300, 250));
+                .ExpectChildMeasure("first", new Size(400, 300), new FullRender(200, 100))
+                .ExpectChildMeasure("second", new Size(400, 200), new PartialRender(300, 150))
+                .CheckMeasureResult(new PartialRender(300, 250));
         }
         
         [Test]
         public void Measure_ReturnsFullRender_WhenSecondChildReturnsFullRender()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .MeasureElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
-                .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.FullRender(100, 50))
-                .CheckMeasureResult(SpacePlan.FullRender(200, 150));
+                .ExpectChildMeasure("first", new Size(400, 300), new FullRender(200, 100))
+                .ExpectChildMeasure("second", new Size(400, 200), new FullRender(100, 50))
+                .CheckMeasureResult(new FullRender(200, 150));
         }
-
+        
+        [Test]
+        public void Measure_UsesEmpty_WhenFirstChildIsRendered()
+        {
+            TestPlan
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second"),
+                    
+                    IsFirstRendered = true
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure("second", new Size(400, 300), new FullRender(200, 300))
+                .CheckMeasureResult(new FullRender(200, 300));
+        }
+        
         #endregion
         
         #region Draw
@@ -99,9 +108,13 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildWraps()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.Wrap())
+                .ExpectChildMeasure("first", new Size(400, 300), new Wrap())
                 .CheckDrawResult();
         }
         
@@ -109,12 +122,14 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildPartiallyRenders()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.PartialRender(200, 100))
-                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildMeasure("first", new Size(400, 300), new PartialRender(200, 100))
                 .ExpectChildDraw("first", new Size(400, 100))
-                .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult();
         }
         
@@ -122,13 +137,15 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildFullyRenders_AndSecondChildWraps()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
-                .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.Wrap())
-                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildMeasure("first", new Size(400, 300), new FullRender(200, 100))
                 .ExpectChildDraw("first", new Size(400, 100))
-                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildMeasure("second", new Size(400, 200), new Wrap())
                 .CheckDrawResult();
         }
         
@@ -136,13 +153,15 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildFullyRenders_AndSecondChildPartiallyRenders()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
-                .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.PartialRender(250, 150))
-                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildMeasure("first", new Size(400, 300), new FullRender(200, 100))
                 .ExpectChildDraw("first", new Size(400, 100))
-                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildMeasure("second", new Size(400, 200), new PartialRender(250, 150))
                 .ExpectCanvasTranslate(0, 100)
                 .ExpectChildDraw("second", new Size(400, 150))
                 .ExpectCanvasTranslate(0, -100)
@@ -153,13 +172,15 @@ namespace QuestPDF.UnitTests
         public void Draw_WhenFirstChildFullyRenders_AndSecondChildFullyRenders()
         {
             TestPlan
-                .For(CreateColumnWithTwoItems)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second")
+                })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("first", new Size(400, 300), SpacePlan.FullRender(200, 100))
-                .ExpectChildMeasure("second", new Size(400, 200), SpacePlan.FullRender(250, 150))
-                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildMeasure("first", new Size(400, 300), new FullRender(200, 100))
                 .ExpectChildDraw("first", new Size(400, 100))
-                .ExpectCanvasTranslate(0, 0)
+                .ExpectChildMeasure("second", new Size(400, 200), new FullRender(250, 150))
                 .ExpectCanvasTranslate(0, 100)
                 .ExpectChildDraw("second", new Size(400, 150))
                 .ExpectCanvasTranslate(0, -100)
@@ -170,13 +191,19 @@ namespace QuestPDF.UnitTests
         public void Draw_UsesEmpty_WhenFirstChildIsRendered()
         {
             TestPlan
-                .For(CreateColumnWithTwoItemsWhereFirstIsFullyRendered)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second"),
+                    
+                    IsFirstRendered = true
+                })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("second", new Size(400, 300), SpacePlan.PartialRender(200, 300))
+                .ExpectChildMeasure("second", new Size(400, 300), new PartialRender(200, 300))
                 .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw("second", new Size(400, 300))
                 .ExpectCanvasTranslate(0, 0)
-                .CheckState<Column>(x => x.Items.First().IsRendered)
+                .CheckState<SimpleStack>(x => x.IsFirstRendered)
                 .CheckDrawResult();
         }
         
@@ -184,16 +211,25 @@ namespace QuestPDF.UnitTests
         public void Draw_TogglesFirstRenderedFlag_WhenSecondFullyRenders()
         {
             TestPlan
-                .For(CreateColumnWithTwoItemsWhereFirstIsFullyRendered)
+                .For(x => new SimpleStack
+                {
+                    First = x.CreateChild("first"),
+                    Second = x.CreateChild("second"),
+                    
+                    IsFirstRendered = true
+                })
                 .DrawElement(new Size(400, 300))
-                .ExpectChildMeasure("second", new Size(400, 300), SpacePlan.FullRender(200, 300))
+                .ExpectChildMeasure("second", new Size(400, 300), new FullRender(200, 300))
                 .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw("second", new Size(400, 300))
                 .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult()
-                .CheckState<Column>(x => !x.Items.First().IsRendered);
+                .CheckState<SimpleStack>(x => !x.IsFirstRendered);
         }
         
         #endregion
+        
+        // TODO: add tests for the spacing property
+        // TODO: add tests for the tree builder method
     }
 }

QuestPDF.UnitTests/TestEngine/CanvasMock.cs

@@ -0,0 +1,43 @@
+using System;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.UnitTests.TestEngine
+{
+    internal class CanvasMock : ICanvas
+    {
+        public Action<Position> TranslateFunc { 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 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);
+        }
+    }
+}

QuestPDF.UnitTests/TestEngine/ElementMock.cs

@@ -0,0 +1,16 @@
+using System;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.UnitTests.TestEngine
+{
+    internal class ElementMock : Element
+    {
+        public string Id { get; set; }
+        public Func<Size, ISpacePlan> MeasureFunc { get; set; }
+        public Action<Size> DrawFunc { get; set; }
+
+        internal override ISpacePlan Measure(Size availableSpace) => MeasureFunc(availableSpace);
+        internal override void Draw(ICanvas canvas, Size availableSpace) => DrawFunc(availableSpace);
+    }
+}

QuestPDF.UnitTests/TestEngine/Operations/CanvasDrawImageOperation.cs

@@ -2,12 +2,12 @@
 
 namespace QuestPDF.UnitTests.TestEngine.Operations
 {
-    internal class CanvasDrawImageOperation : OperationBase
+    internal class CanvasDrawImageOperationBase : OperationBase
     {
         public Position Position { get; }
         public Size Size { get; }
 
-        public CanvasDrawImageOperation(Position position, Size size)
+        public CanvasDrawImageOperationBase(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 CanvasDrawRectangleOperation : OperationBase
+    internal class CanvasDrawRectangleOperationBase : OperationBase
     {
         public Position Position { get; } 
         public Size Size { get; }
         public string Color { get; }
 
-        public CanvasDrawRectangleOperation(Position position, Size size, string color)
+        public CanvasDrawRectangleOperationBase(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 CanvasDrawTextOperation : OperationBase
+    internal class CanvasDrawTextOperationBase : OperationBase
     {
         public string Text { get; }
         public Position Position { get; }
         public TextStyle Style { get; }
 
-        public CanvasDrawTextOperation(string text, Position position, TextStyle style)
+        public CanvasDrawTextOperationBase(string text, Position position, TextStyle style)
         {
             Text = text;
             Position = position;

QuestPDF.UnitTests/TestEngine/Operations/CanvasTranslateOperation.cs

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

QuestPDF.UnitTests/TestEngine/Operations/ChildDrawOperation.cs

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

QuestPDF.UnitTests/TestEngine/Operations/ChildMeasureOperation.cs

@@ -1,15 +1,15 @@
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.UnitTests.TestEngine.Operations
 {
-    internal class ChildMeasureOperation : OperationBase
+    internal class ChildMeasureOperationBase : OperationBase
     {
         public string ChildId { get; }
         public Size Input { get; }
-        public SpacePlan Output { get; }
+        public ISpacePlan Output { get; }
 
-        public ChildMeasureOperation(string childId, Size input, SpacePlan output)
+        public ChildMeasureOperationBase(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 ElementMeasureOperation : OperationBase
+    public class ElementMeasureOperationBase : OperationBase
     {
-        public ElementMeasureOperation(Size input)
+        public ElementMeasureOperationBase(Size input)
         {
             
         }

QuestPDF.UnitTests/TestEngine/SingleChildTests.cs

@@ -0,0 +1,31 @@
+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

@@ -1,11 +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;
 using QuestPDF.Infrastructure;
 using QuestPDF.UnitTests.TestEngine.Operations;
 
@@ -14,8 +12,6 @@ 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; }
@@ -48,31 +44,20 @@ namespace QuestPDF.UnitTests.TestEngine
         
         private ICanvas CreateCanvas()
         {
-            return new MockCanvas
+            return new CanvasMock
             {
                 TranslateFunc = position =>
                 {
-                    var expected = GetExpected<CanvasTranslateOperation>();
+                    var expected = GetExpected<CanvasTranslateOperationBase>();
 
                     Assert.AreEqual(expected.Position.X, position.X, "Translate X");
                     Assert.AreEqual(expected.Position.Y, position.Y, "Translate Y");
-                },
-                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");
+                    
+                    //position.Should().BeEquivalentTo(expected.Position);
                 },
                 DrawRectFunc = (position, size, color) =>
                 {
-                    var expected = GetExpected<CanvasDrawRectangleOperation>();
+                    var expected = GetExpected<CanvasDrawRectangleOperationBase>();
                     
                     Assert.AreEqual(expected.Position.X, position.X, "Draw rectangle: X");
                     Assert.AreEqual(expected.Position.Y, position.Y, "Draw rectangle: Y");
@@ -81,16 +66,40 @@ 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>();
+                    
+                    Assert.AreEqual(expected.Text, text);
+                    
+                    Assert.AreEqual(expected.Position.X, position.X, "Draw text: X");
+                    Assert.AreEqual(expected.Position.Y, position.Y, "Draw text: Y");
+                    
+                    Assert.AreEqual(expected.Style.Color, style.Color, "Draw text: color");
+                    Assert.AreEqual(expected.Style.FontType, style.FontType, "Draw text: font");
+                    Assert.AreEqual(expected.Style.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<CanvasDrawImageOperation>();
+                    var expected = GetExpected<CanvasDrawImageOperationBase>();
                     
                     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);*/
                 }
             };
         }
@@ -104,23 +113,29 @@ namespace QuestPDF.UnitTests.TestEngine
                 Id = id,
                 MeasureFunc = availableSpace =>
                 {
-                    var expected = GetExpected<ChildMeasureOperation>();
+                    var expected = GetExpected<ChildMeasureOperationBase>();
 
                     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<ChildDrawOperation>();
+                    var expected = GetExpected<ChildDrawOperationBase>();
 
                     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);*/
                 }
             };
         }
@@ -143,14 +158,14 @@ namespace QuestPDF.UnitTests.TestEngine
             return this;
         }
         
-        public TestPlan ExpectChildMeasure(Size expectedInput, SpacePlan returns)
+        public TestPlan ExpectChildMeasure(Size expectedInput, ISpacePlan returns)
         {
             return ExpectChildMeasure(DefaultChildName, expectedInput, returns);
         }
         
-        public TestPlan ExpectChildMeasure(string child, Size expectedInput, SpacePlan returns)
+        public TestPlan ExpectChildMeasure(string child, Size expectedInput, ISpacePlan returns)
         {
-            return AddOperation(new ChildMeasureOperation(child, expectedInput, returns));
+            return AddOperation(new ChildMeasureOperationBase(child, expectedInput, returns));
         }
         
         public TestPlan ExpectChildDraw(Size expectedInput)
@@ -160,58 +175,55 @@ namespace QuestPDF.UnitTests.TestEngine
         
         public TestPlan ExpectChildDraw(string child, Size expectedInput)
         {
-            return AddOperation(new ChildDrawOperation(child, expectedInput));
+            return AddOperation(new ChildDrawOperationBase(child, expectedInput));
         }
 
         public TestPlan ExpectCanvasTranslate(Position position)
         {
-            return AddOperation(new CanvasTranslateOperation(position));
+            return AddOperation(new CanvasTranslateOperationBase(position));
         }
         
         public TestPlan ExpectCanvasTranslate(float left, float top)
         {
-            return AddOperation(new CanvasTranslateOperation(new Position(left, top)));
+            return AddOperation(new CanvasTranslateOperationBase(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 CanvasDrawRectangleOperation(position, size, color));
+            return AddOperation(new CanvasDrawRectangleOperationBase(position, size, color));
+        }
+        
+        public TestPlan ExpectCanvasDrawText(string text, Position position, TextStyle style)
+        {
+            return AddOperation(new CanvasDrawTextOperationBase(text, position, style));
         }
         
         public TestPlan ExpectCanvasDrawImage(Position position, Size size)
         {
-            return AddOperation(new CanvasDrawImageOperation(position, size));
+            return AddOperation(new CanvasDrawImageOperationBase(position, size));
         }
         
-        public TestPlan CheckMeasureResult(SpacePlan expected)
+        public TestPlan CheckMeasureResult(ISpacePlan expected)
         {
-            Element.InjectDependencies(null, Canvas);
-            
             var actual = Element.Measure(OperationInput);
             
             Assert.AreEqual(expected.GetType(), actual.GetType());
-            
-            Assert.AreEqual(expected.Width, actual.Width, "Measure: width");
-            Assert.AreEqual(expected.Height, actual.Height, "Measure: height");
-            Assert.AreEqual(expected.Type, actual.Type, "Measure: height");
+
+            var expectedSize = expected as Size;
+            var actualSize = actual as Size;
+
+            if (expectedSize != null)
+            {
+                Assert.AreEqual(expectedSize.Width, actualSize.Width, "Measure: width");
+                Assert.AreEqual(expectedSize.Height, actualSize.Height, "Measure: height");
+            }
             
             return this;
         }
         
         public TestPlan CheckDrawResult()
         {
-            Element.InjectDependencies(null, Canvas);
-            Element.Draw(OperationInput);
+            Element.Draw(Canvas, OperationInput);
             return this;
         }
 
@@ -230,51 +242,10 @@ namespace QuestPDF.UnitTests.TestEngine
         
         public static Element CreateUniqueElement()
         {
-            return new Constrained
+            return new Text
             {
-                MinWidth = 90,
-                MinHeight = 60,
-                
-                Child = new DynamicImage
-                {
-                    Source = Placeholders.Image
-                }
+                Value = Guid.NewGuid().ToString("N")
             };
         }
-
-        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.InjectDependencies(null, canvas);
-            var valueMeasure = value.Measure(availableSpace.Value);
-            
-            expected.InjectDependencies(null, canvas);
-            var expectedMeasure = expected.Measure(availableSpace.Value);
-            
-            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.InjectDependencies(null, valueCanvas);
-            value.Draw(availableSpace.Value);
-            
-            var expectedCanvas = new OperationRecordingCanvas();
-            expected.InjectDependencies(null, expectedCanvas);
-            expected.Draw(availableSpace.Value);
-            
-            valueCanvas.Operations.Should().BeEquivalentTo(expectedCanvas.Operations);
-        }
     }
 }

QuestPDF.UnitTests/TextTests.cs

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

QuestPDF.sln

@@ -8,15 +8,6 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuestPDF.UnitTests", "Quest
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuestPDF.Examples", "QuestPDF.Examples\QuestPDF.Examples.csproj", "{8BD0A2B4-2DC1-47BA-9724-C158320D9CAE}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuestPDF.Previewer.Examples", "QuestPDF.Previewer.Examples\QuestPDF.Previewer.Examples.csproj", "{CA413A39-038F-4A9F-B56F-0E5413B6B158}"
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Configuration", "Configuration", "{73123649-216A-47B4-BFB2-DADF13FBE75D}"
-	ProjectSection(SolutionItems) = preProject
-		.editorconfig = .editorconfig
-	EndProjectSection
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuestPDF.Previewer", "QuestPDF.Previewer\QuestPDF.Previewer.csproj", "{B2FF6003-3A45-4A78-A85D-B86C7F01D054}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,13 +30,5 @@ Global
 		{8BD0A2B4-2DC1-47BA-9724-C158320D9CAE}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8BD0A2B4-2DC1-47BA-9724-C158320D9CAE}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8BD0A2B4-2DC1-47BA-9724-C158320D9CAE}.Release|Any CPU.Build.0 = Release|Any CPU
-		{CA413A39-038F-4A9F-B56F-0E5413B6B158}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{CA413A39-038F-4A9F-B56F-0E5413B6B158}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{CA413A39-038F-4A9F-B56F-0E5413B6B158}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{CA413A39-038F-4A9F-B56F-0E5413B6B158}.Release|Any CPU.Build.0 = Release|Any CPU
-		{B2FF6003-3A45-4A78-A85D-B86C7F01D054}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{B2FF6003-3A45-4A78-A85D-B86C7F01D054}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{B2FF6003-3A45-4A78-A85D-B86C7F01D054}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{B2FF6003-3A45-4A78-A85D-B86C7F01D054}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

QuestPDF/Assembly.cs

@@ -0,0 +1,5 @@
+using System.Runtime.CompilerServices;
+
+[assembly: InternalsVisibleTo("DynamicProxyGenAssembly2")]
+[assembly: InternalsVisibleTo("QuestPDF.UnitTests")]
+[assembly: InternalsVisibleTo("QuestPDF.Examples")]

QuestPDF/Drawing/Canvas.cs

@@ -0,0 +1,59 @@
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Drawing
+{
+    internal class Canvas : ICanvas
+    {
+        internal SKCanvas SkiaCanvas { get; }
+        
+        public Canvas(SKCanvas skiaCanvas)
+        {
+            SkiaCanvas = skiaCanvas;
+        }
+        
+        ~Canvas()
+        {
+            SkiaCanvas.Dispose();
+        }
+
+        public void Translate(Position vector)
+        {
+            SkiaCanvas.Translate(vector.X, vector.Y);
+        }
+
+        public void DrawRectangle(Position vector, Size size, string color)
+        {
+            if (size.Width < Size.Epsilon || size.Height < Size.Epsilon)
+                return;
+
+            var paint = color.ColorToPaint();
+            SkiaCanvas.DrawRect(vector.X, vector.Y, size.Width, size.Height, paint);
+        }
+
+        public void DrawText(string text, Position vector, TextStyle style)
+        {
+            SkiaCanvas.DrawText(text, vector.X, vector.Y, style.ToPaint());
+        }
+
+        public void DrawImage(SKImage image, Position vector, Size size)
+        {
+            SkiaCanvas.DrawImage(image, new SKRect(vector.X, vector.Y, size.Width, size.Height));
+        }
+
+        public void DrawExternalLink(string url, Size size)
+        {
+            SkiaCanvas.DrawUrlAnnotation(new SKRect(0, 0, size.Width, size.Height), url);
+        }
+        
+        public void DrawLocationLink(string locationName, Size size)
+        {
+            SkiaCanvas.DrawLinkDestinationAnnotation(new SKRect(0, 0, size.Width, size.Height), locationName);
+        }
+
+        public void DrawLocation(string locationName)
+        {
+            SkiaCanvas.DrawNamedDestinationAnnotation(new SKPoint(0, 0), locationName);
+        }
+    }
+}

QuestPDF/Drawing/CanvasCache.cs

@@ -0,0 +1,63 @@
+using System.Collections.Concurrent;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Drawing
+{
+    internal static class CanvasCache
+    {
+        private static ConcurrentDictionary<string, SKPaint> Paints = new ConcurrentDictionary<string, SKPaint>();
+        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,
+
+                    TextAlign = style.Alignment switch
+                    {
+                        HorizontalAlignment.Left => SKTextAlign.Left,
+                        HorizontalAlignment.Center => SKTextAlign.Center,
+                        HorizontalAlignment.Right => SKTextAlign.Right,
+                        _ => SKTextAlign.Left
+                    }
+                };
+            }
+        }
+
+        internal static TextMeasurement BreakText(this TextStyle style, string text, float availableWidth)
+        {
+            var index = (int)style.ToPaint().BreakText(text, availableWidth, out var width);
+            
+            return new TextMeasurement()
+            {
+                LineIndex = index,
+                FragmentWidth = width
+            };
+        }
+    }
+}

QuestPDF/Drawing/DocumentGenerator.cs

@@ -0,0 +1,128 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using QuestPDF.Drawing.Exceptions;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Drawing
+{
+    static class DocumentGenerator
+    {
+        internal static void GeneratePdf(Stream stream, IDocument document)
+        {
+            var content = ElementExtensions.Create(document.Compose);
+            var metadata = document.GetMetadata();
+            
+            using var pdf = SKDocument.CreatePdf(stream, MapMetadata(metadata));
+            var totalPages = 1;
+            
+            while(true)
+            {
+                var spacePlan = content.Measure(metadata.Size);
+
+                using var skiaCanvas = pdf.BeginPage(metadata.Size.Width, metadata.Size.Height);
+                var canvas = new Canvas(skiaCanvas);
+
+                try
+                {
+                    content.Draw(canvas, metadata.Size);
+                }
+                catch (Exception exception)
+                {
+                    pdf.Close();
+                    throw new DocumentDrawingException("An exception occured during document drawing.", exception);
+                }
+
+                pdf.EndPage();
+
+                if (totalPages >= metadata.DocumentLayoutExceptionThreshold)
+                {
+                    pdf.Close();
+                    throw new DocumentLayoutException("Composed layout generates infinite document.");
+                }
+                
+                if (spacePlan is FullRender)
+                    break;
+
+                totalPages++;
+            }
+            
+            pdf.Close();
+        }
+
+        internal static IEnumerable<byte[]> GenerateImages(IDocument document)
+        {
+            var content = ElementExtensions.Create(document.Compose);
+            var metadata = document.GetMetadata();
+
+            var totalPages = 1;
+
+            while (true)
+            {
+                var spacePlan = content.Measure(metadata.Size);
+                byte[] result;
+
+                try
+                {
+                    result = RenderPage(content);
+                }
+                catch (Exception exception)
+                {
+                    throw new DocumentDrawingException("An exception occured during document drawing.", exception);
+                }
+
+                yield return result;
+
+                if (totalPages >= metadata.DocumentLayoutExceptionThreshold)
+                {
+                    throw new DocumentLayoutException("Composed layout generates infinite document.");
+                }
+
+                if (spacePlan is FullRender)
+                    break;
+
+                totalPages++;
+            }
+
+            byte[] RenderPage(Element element)
+            {
+                // scale the result so it is more readable
+                var scalingFactor = metadata.RasterDpi / (float) PageSizes.PointsPerInch;
+                
+                var imageInfo = new SKImageInfo((int) (metadata.Size.Width * scalingFactor), (int) (metadata.Size.Height * scalingFactor));
+                using var surface = SKSurface.Create(imageInfo);
+                surface.Canvas.Scale(scalingFactor);
+
+                var canvas = new Canvas(surface.Canvas);
+                element?.Draw(canvas, metadata.Size);
+
+                surface.Canvas.Save();
+                return surface.Snapshot().Encode(SKEncodedImageFormat.Png, 100).ToArray();
+            }
+        }
+        
+        private static SKDocumentPdfMetadata MapMetadata(DocumentMetadata metadata)
+        {
+            return new SKDocumentPdfMetadata
+            {
+                Title = metadata.Title,
+                Author = metadata.Author,
+                Subject = metadata.Subject,
+                Keywords = metadata.Keywords,
+                Creator = metadata.Creator,
+                Producer = metadata.Producer,
+                
+                Creation = metadata.CreationDate,
+                Modified = metadata.ModifiedDate,
+                
+                RasterDpi = metadata.RasterDpi,
+                EncodingQuality = metadata.ImageQuality,
+                PdfA = metadata.PdfA
+            };
+        }
+    }
+}

QuestPDF/Drawing/DocumentMetadata.cs

@@ -0,0 +1,32 @@
+using System;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Drawing
+{
+    public class DocumentMetadata
+    {
+        public Size Size { get; set; } = PageSizes.A4;
+        public int ImageQuality { get; set; } = 101;
+        public int RasterDpi { get; set; } = 72;
+        public bool PdfA { get; set; }
+        
+        public string? Title { get; set; }
+        public string? Author { get; set; }
+        public string? Subject { get; set; }
+        public string? Keywords { get; set; }
+        public string? Creator { get; set; }
+        public string? Producer { get; set; }
+
+        public DateTime CreationDate { get; set; } = DateTime.Now;
+        public DateTime ModifiedDate { get; set; } = DateTime.Now;
+
+        /// <summary>
+        /// If the number of generated pages exceeds this threshold
+        /// (likely due to infinite layout), the exception is thrown.
+        /// </summary>
+        public int DocumentLayoutExceptionThreshold { get; set; } = 250;
+        
+        public static DocumentMetadata Default => new DocumentMetadata();
+    }
+}

QuestPDF/Drawing/Exceptions/DocumentComposeException.cs

@@ -0,0 +1,22 @@
+using System;
+
+namespace QuestPDF.Drawing.Exceptions
+{
+    public class DocumentComposeException : Exception
+    {
+        public DocumentComposeException()
+        {
+            
+        }
+
+        public DocumentComposeException(string message) : base(message)
+        {
+            
+        }
+
+        public DocumentComposeException(string message, Exception inner) : base(message, inner)
+        {
+            
+        }
+    }
+}

QuestPDF/Drawing/Exceptions/DocumentDrawingException.cs

@@ -0,0 +1,22 @@
+using System;
+
+namespace QuestPDF.Drawing.Exceptions
+{
+    public class DocumentDrawingException : Exception
+    {
+        public DocumentDrawingException()
+        {
+            
+        }
+
+        public DocumentDrawingException(string message) : base(message)
+        {
+            
+        }
+
+        public DocumentDrawingException(string message, Exception inner) : base(message, inner)
+        {
+            
+        }
+    }
+}

QuestPDF/Drawing/Exceptions/DocumentLayoutException.cs

@@ -0,0 +1,22 @@
+using System;
+
+namespace QuestPDF.Drawing.Exceptions
+{
+    public class DocumentLayoutException : Exception
+    {
+        public DocumentLayoutException()
+        {
+            
+        }
+
+        public DocumentLayoutException(string message) : base(message)
+        {
+            
+        }
+
+        public DocumentLayoutException(string message, Exception inner) : base(message, inner)
+        {
+            
+        }
+    }
+}

QuestPDF/Drawing/SpacePlan/FullRender.cs

@@ -0,0 +1,19 @@
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Drawing.SpacePlan
+{
+    internal class FullRender : Size, ISpacePlan
+    {
+        public FullRender(Size size) : this(size.Width, size.Height)
+        {
+            
+        }
+        
+        public FullRender(float width, float height) : base(width, height)
+        {
+            
+        }
+        
+        public override string ToString() => $"FullRender {base.ToString()}";
+    }
+}

QuestPDF/Drawing/SpacePlan/ISpacePlan.cs

@@ -0,0 +1,7 @@
+namespace QuestPDF.Drawing.SpacePlan
+{
+    internal interface ISpacePlan
+    {
+        
+    }
+}

QuestPDF/Drawing/SpacePlan/PartialRender.cs

@@ -0,0 +1,19 @@
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Drawing.SpacePlan
+{
+    internal class PartialRender : Size, ISpacePlan
+    {
+        public PartialRender(Size size) : this(size.Width, size.Height)
+        {
+            
+        }
+        
+        public PartialRender(float width, float height) : base(width, height)
+        {
+            
+        }
+        
+        public override string ToString() => $"PartialRender {base.ToString()}";
+    }
+}

QuestPDF/Drawing/SpacePlan/TextMeasurement.cs

@@ -0,0 +1,8 @@
+namespace QuestPDF.Drawing.SpacePlan
+{
+    internal struct TextMeasurement
+    {
+        public int LineIndex { get; set; }
+        public float FragmentWidth { get; set; }
+    }
+}

QuestPDF/Drawing/SpacePlan/Wrap.cs

@@ -0,0 +1,7 @@
+namespace QuestPDF.Drawing.SpacePlan
+{
+    internal class Wrap : ISpacePlan
+    {
+        public override string ToString() => "Wrap";
+    }
+}

QuestPDF/Elements/Alignment.cs

@@ -1,34 +1,29 @@
 using System;
-using QuestPDF.Drawing;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
     internal class Alignment : ContainerElement
     {
-        public VerticalAlignment? Vertical { get; set; }
-        public HorizontalAlignment? Horizontal { get; set; }
+        public VerticalAlignment Vertical { get; set; } = VerticalAlignment.Top;
+        public HorizontalAlignment Horizontal { get; set; } = HorizontalAlignment.Left;
         
-        internal override void Draw(Size availableSpace)
+        internal override void Draw(ICanvas canvas, Size availableSpace)
         {
             if (Child == null)
                 return;
             
-            var childMeasurement = base.Measure(availableSpace);
+            var childSize = Child.Measure(availableSpace) as Size;
             
-            if (childMeasurement.Type == SpacePlanType.Wrap)
+            if (childSize == null)
                 return;
-
-            var childSize = new Size(
-                Horizontal.HasValue ? childMeasurement.Width : availableSpace.Width,
-                Vertical.HasValue ? childMeasurement.Height : availableSpace.Height);
-
+            
             var top = GetTopOffset(availableSpace, childSize);
             var left = GetLeftOffset(availableSpace, childSize);
             
-            Canvas.Translate(new Position(left, top));
-            base.Draw(childSize);
-            Canvas.Translate(new Position(-left, -top));
+            canvas.Translate(new Position(left, top));
+            Child.Draw(canvas, childSize);
+            canvas.Translate(new Position(-left, -top));
         }
         
         private float GetTopOffset(Size availableSpace, Size childSize)
@@ -40,7 +35,7 @@ namespace QuestPDF.Elements
                 VerticalAlignment.Top => 0,
                 VerticalAlignment.Middle => difference / 2,
                 VerticalAlignment.Bottom => difference,
-                _ => 0
+                _ => throw new NotSupportedException()
             };
         }
         
@@ -53,7 +48,7 @@ namespace QuestPDF.Elements
                 HorizontalAlignment.Left => 0,
                 HorizontalAlignment.Center => difference / 2,
                 HorizontalAlignment.Right => difference,
-                _ => 0
+                _ => throw new NotSupportedException()
             };
         }
     }

QuestPDF/Elements/AspectRatio.cs

@@ -1,57 +1,48 @@
 using System;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class AspectRatio : ContainerElement, ICacheable, IContentDirectionAware
+    internal class AspectRatio : ContainerElement
     {
-        public ContentDirection ContentDirection { get; set; }
-        
         public float Ratio { get; set; } = 1;
         public AspectRatioOption Option { get; set; } = AspectRatioOption.FitWidth;
         
-        internal override SpacePlan Measure(Size availableSpace)
+        internal override ISpacePlan Measure(Size availableSpace)
         {
             if(Child == null)
-                return SpacePlan.FullRender(0, 0);
+                return new FullRender(Size.Zero);
             
             var targetSize = GetTargetSize(availableSpace);
             
             if (targetSize.Height > availableSpace.Height + Size.Epsilon)
-                return SpacePlan.Wrap();
+                return new Wrap();
             
             if (targetSize.Width > availableSpace.Width + Size.Epsilon)
-                return SpacePlan.Wrap();
+                return new Wrap();
 
-            var childSize = base.Measure(targetSize);
+            var childSize = Child.Measure(targetSize);
 
-            if (childSize.Type == SpacePlanType.Wrap)
-                return SpacePlan.Wrap();
+            if (childSize is Wrap)
+                return new Wrap();
 
-            if (childSize.Type == SpacePlanType.PartialRender)
-                return SpacePlan.PartialRender(targetSize);
+            if (childSize is PartialRender)
+                return new PartialRender(targetSize);
 
-            if (childSize.Type == SpacePlanType.FullRender)
-                return SpacePlan.FullRender(targetSize);
+            if (childSize is FullRender)
+                return new FullRender(targetSize);
             
             throw new NotSupportedException();
         }
 
-        internal override void Draw(Size availableSpace)
+        internal override void Draw(ICanvas canvas, Size availableSpace)
         {
             if (Child == null)
                 return;
             
             var size = GetTargetSize(availableSpace);
-            
-            var offset = ContentDirection == ContentDirection.LeftToRight
-                ? Position.Zero
-                : new Position(availableSpace.Width - size.Width, 0);
-            
-            Canvas.Translate(offset);
-            base.Draw(size);
-            Canvas.Translate(offset.Reverse());
+            Child?.Draw(canvas, size);
         }
         
         private Size GetTargetSize(Size availableSpace)

QuestPDF/Elements/Background.cs

@@ -7,10 +7,10 @@ namespace QuestPDF.Elements
     {
         public string Color { get; set; } = Colors.Black;
         
-        internal override void Draw(Size availableSpace)
+        internal override void Draw(ICanvas canvas, Size availableSpace)
         {
-            Canvas.DrawRectangle(Position.Zero, availableSpace, Color);
-            base.Draw(availableSpace);
+            canvas.DrawRectangle(Position.Zero, availableSpace, Color);
+            Child?.Draw(canvas, availableSpace);
         }
     }
 }

QuestPDF/Elements/Border.cs

@@ -12,34 +12,29 @@ namespace QuestPDF.Elements
         public float Bottom { get; set; }
         public float Left { get; set; }
 
-        internal override void Draw(Size availableSpace)
+        internal override void Draw(ICanvas canvas, Size availableSpace)
         {
-            base.Draw(availableSpace);
+            Child?.Draw(canvas, availableSpace);
             
-            Canvas.DrawRectangle(
+            canvas.DrawRectangle(
                 new Position(-Left/2, -Top/2), 
                 new Size(availableSpace.Width + Left/2 + Right/2, Top), 
                 Color);
             
-            Canvas.DrawRectangle(
+            canvas.DrawRectangle(
                 new Position(-Left/2, -Top/2), 
                 new Size(Left, availableSpace.Height + Top/2 + Bottom/2), 
                 Color);
             
-            Canvas.DrawRectangle(
+            canvas.DrawRectangle(
                 new Position(-Left/2, availableSpace.Height-Bottom/2), 
                 new Size(availableSpace.Width + Left/2 + Right/2, Bottom), 
                 Color);
             
-            Canvas.DrawRectangle(
+            canvas.DrawRectangle(
                 new Position(availableSpace.Width-Right/2, -Top/2), 
                 new Size(Right, availableSpace.Height + Top/2 + Bottom/2), 
                 Color);
         }
-
-        public override string ToString()
-        {
-            return $"Border: Top({Top}) Right({Right}) Bottom({Bottom}) Left({Left}) Color({Color})";
-        }
     }
 }

QuestPDF/Elements/Box.cs

@@ -0,0 +1,17 @@
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class Box : ContainerElement
+    {
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            var targetSize = Child?.Measure(availableSpace) as Size;
+            
+            if (targetSize == null)
+                return;
+            
+            Child?.Draw(canvas, targetSize);
+        }
+    }
+}

QuestPDF/Elements/Canvas.cs

@@ -0,0 +1,30 @@
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Elements
+{
+    public delegate void DrawOnCanvas(SKCanvas canvas, Size availableSpace);
+    
+    internal class Canvas : Element
+    {
+        public DrawOnCanvas Handler { get; set; }
+        
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            return new FullRender(availableSpace);
+        }
+
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            var skiaCanvas = (canvas as Drawing.Canvas)?.SkiaCanvas;
+            
+            if (Handler == null || skiaCanvas == null)
+                return;
+
+            var currentMatrix = skiaCanvas.TotalMatrix;
+            Handler.Invoke(skiaCanvas, availableSpace);
+            skiaCanvas.SetMatrix(currentMatrix);
+        }
+    }
+}

QuestPDF/Elements/Constrained.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Linq;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class Constrained : ContainerElement
+    {
+        public float? MinWidth { get; set; }
+        public float? MaxWidth { get; set; }
+        
+        public float? MinHeight { get; set; }
+        public float? MaxHeight { get; set; }
+
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            if (MinWidth > availableSpace.Width + Size.Epsilon)
+                return new Wrap();
+            
+            if (MinHeight > availableSpace.Height + Size.Epsilon)
+                return new Wrap();
+            
+            var available = new Size(
+                MathHelpers.Min(MaxWidth, availableSpace.Width),
+                MathHelpers.Min(MaxHeight, availableSpace.Height));
+
+            var measurement = Child?.Measure(available) ?? new FullRender(Size.Zero);
+            var size = measurement as Size;
+
+            if (measurement is Wrap)
+                return new Wrap();
+            
+            var actualSize = new Size(
+                MathHelpers.Max(MinWidth, size.Width),
+                MathHelpers.Max(MinHeight, size.Height));
+            
+            if (size is FullRender)
+                return new FullRender(actualSize);
+            
+            if (size is PartialRender)
+                return new PartialRender(actualSize);
+            
+            throw new NotSupportedException();
+        }
+        
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            var available = new Size(
+                MathHelpers.Min(MaxWidth, availableSpace.Width),
+                MathHelpers.Min(MaxHeight, availableSpace.Height));
+            
+            Child?.Draw(canvas, available);
+        }
+    }
+    
+    static class MathHelpers
+    {
+        public static float Min(params float?[] values)
+        {
+            return values.Where(x => x.HasValue).Min().Value;
+        }
+        
+        public static float Max(params float?[] values)
+        {
+            return values.Where(x => x.HasValue).Max().Value;
+        }
+    }
+}

QuestPDF/Elements/Debug.cs

@@ -5,7 +5,7 @@ using SkiaSharp;
 
 namespace QuestPDF.Elements
 {
-    internal class DebugArea : IComponent
+    internal class Debug : IComponent
     {
         public IElement? Child { get; set; }
         
@@ -27,13 +27,10 @@ namespace QuestPDF.Elements
                         .Layer()
                         .ShowIf(!string.IsNullOrWhiteSpace(Text))
                         .AlignCenter()
-                        .MinimalBox()
+                        .Box()
                         .Background(Colors.White)
                         .Padding(2)
-                        .Text(Text)
-                        .FontColor(Color)
-                        .FontFamily(Fonts.Consolas)
-                        .FontSize(8);
+                        .Text(Text, TextStyle.Default.Color(Color).FontType("Consolas").Size(8));
                 });
         }
     }

QuestPDF/Elements/Decoration.cs

@@ -0,0 +1,85 @@
+using System;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Fluent;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal enum DecorationType
+    {
+        Prepend,
+        Append
+    }
+    
+    internal class SimpleDecoration : Element
+    {
+        public Element DecorationElement { get; set; } = Empty.Instance;
+        public Element ContentElement { get; set; } = Empty.Instance;
+        public DecorationType Type { get; set; } 
+
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            var decorationMeasure = DecorationElement?.Measure(availableSpace);
+            
+            if (decorationMeasure is Wrap || decorationMeasure is PartialRender)
+                return new Wrap();
+
+            var decorationSize = decorationMeasure as Size ?? Size.Zero;
+            var contentMeasure = ContentElement?.Measure(new Size(availableSpace.Width, availableSpace.Height - decorationSize.Height)) ?? new FullRender(Size.Zero);
+            
+            if (contentMeasure is Wrap)
+                return new Wrap();
+
+            var contentSize = contentMeasure as Size ?? Size.Zero;
+            var resultSize = new Size(availableSpace.Width, decorationSize.Height + contentSize.Height);
+            
+            if (contentSize is PartialRender)
+                return new PartialRender(resultSize);
+            
+            if (contentSize is FullRender)
+                return new FullRender(resultSize);
+            
+            throw new NotSupportedException();
+        }
+
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            var decorationSize = DecorationElement?.Measure(availableSpace) as Size ?? Size.Zero;
+            var contentSize = new Size(availableSpace.Width, availableSpace.Height - decorationSize.Height);
+
+            var translateHeight = Type == DecorationType.Prepend ? decorationSize.Height : contentSize.Height;
+            Action drawDecoration = () => DecorationElement?.Draw(canvas, new Size(availableSpace.Width, decorationSize.Height));
+            Action drawContent = () => ContentElement?.Draw(canvas, new Size (availableSpace.Width, contentSize.Height));
+
+            var first = Type == DecorationType.Prepend ? drawDecoration : drawContent;
+            var second = Type == DecorationType.Prepend ? drawContent : drawDecoration;
+
+            first();
+            canvas.Translate(new Position(0, translateHeight));
+            second();
+            canvas.Translate(new Position(0, -translateHeight));
+        }
+    }
+    
+    internal class Decoration : IComponent
+    {
+        public Element Header { get; set; } = Empty.Instance;
+        public Element Content { get; set; } = Empty.Instance;
+        public Element Footer { get; set; } = Empty.Instance;
+
+        public void Compose(IContainer container)
+        {
+            container.Element(new SimpleDecoration
+            {
+                Type = DecorationType.Prepend,
+                DecorationElement = Header,
+                ContentElement = new SimpleDecoration
+                {
+                    Type = DecorationType.Append,
+                    ContentElement = Content,
+                    DecorationElement = Footer
+                }
+            });
+        }
+    }
+}

QuestPDF/Elements/DynamicImage.cs

@@ -0,0 +1,32 @@
+using System;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Elements
+{
+    internal class DynamicImage : Element
+    {
+        public Func<Size, byte[]>? Source { get; set; }
+        
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            return new FullRender(availableSpace.Width, availableSpace.Height);
+        }
+
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            var imageData = Source?.Invoke(availableSpace);
+            
+            if (imageData == null)
+                return;
+
+            var imageElement = new Image
+            {
+                InternalImage = SKImage.FromEncodedData(imageData)
+            };
+            
+            imageElement.Draw(canvas, availableSpace);
+        }
+    }
+}

QuestPDF/Elements/Empty.cs

@@ -0,0 +1,20 @@
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class Empty : Element
+    {
+        internal static Empty Instance { get; } = new Empty();
+        
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            return new FullRender(Size.Zero);
+        }
+
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            
+        }
+    }
+}

QuestPDF/Elements/EnsureSpace.cs

@@ -1,19 +1,19 @@
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class EnsureSpace : ContainerElement, ICacheable
+    internal class EnsureSpace : ContainerElement
     {
         public const float DefaultMinHeight = 150;
         public float MinHeight { get; set; } = DefaultMinHeight;
 
-        internal override SpacePlan Measure(Size availableSpace)
+        internal override ISpacePlan Measure(Size availableSpace)
         {
             var measurement = base.Measure(availableSpace);
 
-            if (measurement.Type == SpacePlanType.PartialRender && availableSpace.Height < MinHeight)
-                return SpacePlan.Wrap();
+            if (measurement is PartialRender && availableSpace.Height < MinHeight)
+                return new Wrap();
 
             return measurement;
         }

QuestPDF/Elements/Extend.cs

@@ -1,28 +1,28 @@
 using System;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class Extend : ContainerElement, ICacheable
+    internal class Extend : ContainerElement
     {
         public bool ExtendVertical { get; set; }
         public bool ExtendHorizontal { get; set; }
         
-        internal override SpacePlan Measure(Size availableSpace)
+        internal override ISpacePlan Measure(Size availableSpace)
         {
-            var childSize = base.Measure(availableSpace);
+            var childSize = Child?.Measure(availableSpace) ?? new FullRender(Size.Zero);
 
-            if (childSize.Type == SpacePlanType.Wrap)
+            if (childSize is Wrap)
                 return childSize;
             
-            var targetSize = GetTargetSize(availableSpace, childSize);
+            var targetSize = GetTargetSize(availableSpace, childSize as Size);
             
-            if (childSize.Type == SpacePlanType.PartialRender)
-                return SpacePlan.PartialRender(targetSize);
+            if (childSize is PartialRender)
+                return new PartialRender(targetSize);
             
-            if (childSize.Type == SpacePlanType.FullRender)
-                return SpacePlan.FullRender(targetSize);
+            if (childSize is FullRender)
+                return new FullRender(targetSize);
             
             throw new NotSupportedException();
         }

QuestPDF/Elements/ExternalLink.cs

@@ -0,0 +1,20 @@
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class ExternalLink : ContainerElement
+    {
+        public string Url { get; set; } = "https://www.questpdf.com";
+        
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            var targetSize = Child?.Measure(availableSpace) as Size;
+
+            if (targetSize == null)
+                return;
+
+            canvas.DrawExternalLink(Url, targetSize);
+            Child?.Draw(canvas, availableSpace);
+        }
+    }
+}

QuestPDF/Elements/Grid.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using QuestPDF.Fluent;
 using QuestPDF.Infrastructure;
+using static QuestPDF.Infrastructure.HorizontalAlignment;
 
 namespace QuestPDF.Elements
 {
@@ -15,11 +16,11 @@ namespace QuestPDF.Elements
     {
         public const int DefaultColumnsCount = 12;
         
-        public List<GridElement> Children { get; } = new List<GridElement>();
+        public List<GridElement> Children { get; set; } = new List<GridElement>();
         public Queue<GridElement> ChildrenQueue { get; set; } = new Queue<GridElement>();
         public int ColumnsCount { get; set; } = DefaultColumnsCount;
 
-        public HorizontalAlignment Alignment { get; set; } = HorizontalAlignment.Left;
+        public HorizontalAlignment Alignment { get; set; } = Left;
         public float VerticalSpacing { get; set; } = 0;
         public float HorizontalSpacing { get; set; } = 0;
         
@@ -27,12 +28,12 @@ namespace QuestPDF.Elements
         {
             ChildrenQueue = new Queue<GridElement>(Children);
             
-            container.Column(column =>
+            container.Stack(stack =>
             {
-                column.Spacing(VerticalSpacing);
+                stack.Spacing(VerticalSpacing);
                 
                 while (ChildrenQueue.Any())
-                    column.Item().Row(BuildRow);
+                    stack.Item().Row(BuildRow);
             });
         }
         
@@ -61,16 +62,16 @@ namespace QuestPDF.Elements
             var emptySpace = ColumnsCount - columnsWidth;
             var hasEmptySpace = emptySpace >= Size.Epsilon;
 
-            if (Alignment == HorizontalAlignment.Center)
+            if (Alignment == Center)
                 emptySpace /= 2;
             
-            if (hasEmptySpace && Alignment != HorizontalAlignment.Left)
-                row.RelativeItem(emptySpace);
+            if (hasEmptySpace && Alignment != Left)
+                row.RelativeColumn(emptySpace);
                 
-            elements.ForEach(x => row.RelativeItem(x.Columns).Element(x.Child));
+            elements.ForEach(x => row.RelativeColumn(x.Columns).Element(x.Child));
 
-            if (hasEmptySpace && Alignment != HorizontalAlignment.Right)
-                row.RelativeItem(emptySpace);
+            if (hasEmptySpace && Alignment != Right)
+                row.RelativeColumn(emptySpace);
         }
     }
 }

QuestPDF/Elements/Image.cs

@@ -0,0 +1,29 @@
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+using SkiaSharp;
+
+namespace QuestPDF.Elements
+{
+    internal class Image : Element
+    {
+        public SKImage? InternalImage { get; set; }
+
+        ~Image()
+        {
+            InternalImage?.Dispose();
+        }
+        
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            return new FullRender(availableSpace);
+        }
+
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            if (InternalImage == null)
+                return;
+
+            canvas.DrawImage(InternalImage, Position.Zero, availableSpace);
+        }
+    }
+}

QuestPDF/Elements/InternalLink.cs

@@ -0,0 +1,20 @@
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class InternalLink : ContainerElement
+    {
+        public string LocationName { get; set; }
+        
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            var targetSize = Child?.Measure(availableSpace) as Size;
+
+            if (targetSize == null)
+                return;
+
+            canvas.DrawLocationLink(LocationName, targetSize);
+            Child?.Draw(canvas, availableSpace);
+        }
+    }
+}

QuestPDF/Elements/InternalLocation.cs

@@ -0,0 +1,15 @@
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class InternalLocation : ContainerElement
+    {
+        public string LocationName { get; set; }
+        
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            canvas.DrawLocation(LocationName);
+            Child?.Draw(canvas, availableSpace);
+        }
+    }
+}

QuestPDF/Elements/Layers.cs

@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using System.Linq;
+using QuestPDF.Drawing.SpacePlan;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class Layer : ContainerElement
+    {
+        public bool IsPrimary { get; set; }
+    }
+    
+    internal class Layers : Element
+    {
+        public List<Layer> Children { get; set; } = new List<Layer>();
+        
+        internal override ISpacePlan Measure(Size availableSpace)
+        {
+            return Children
+                .Single(x => x.IsPrimary)
+                .Measure(availableSpace);
+        }
+
+        internal override void Draw(ICanvas canvas, Size availableSpace)
+        {
+            Children
+                .Where(x => x.Measure(availableSpace) is Size)
+                .ToList()
+                .ForEach(x => x.Draw(canvas, availableSpace));
+        }
+    }
+}

QuestPDF/Elements/Padding.cs

@@ -1,54 +1,54 @@
 using System;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.SpacePlan;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class Padding : ContainerElement, ICacheable
+    internal class Padding : ContainerElement
     {
         public float Top { get; set; }
         public float Right { get; set; }
         public float Bottom { get; set; }
         public float Left { get; set; }
 
-        internal override SpacePlan Measure(Size availableSpace)
+        internal override ISpacePlan Measure(Size availableSpace)
         {
             if (Child == null)
-                return SpacePlan.FullRender(0, 0);
+                return new FullRender(Size.Zero);
             
             var internalSpace = InternalSpace(availableSpace);
 
             if (internalSpace.Width < 0 || internalSpace.Height < 0)
-                return SpacePlan.Wrap();
+                return new Wrap();
             
-            var measure = base.Measure(internalSpace);
+            var measure = Child.Measure(internalSpace) as Size;
 
-            if (measure.Type == SpacePlanType.Wrap)
-                return SpacePlan.Wrap();
+            if (measure == null)
+                return new Wrap();
 
             var newSize = new Size(
                 measure.Width + Left + Right,
                 measure.Height + Top + Bottom);
             
-            if (measure.Type == SpacePlanType.PartialRender)
-                return SpacePlan.PartialRender(newSize);
+            if (measure is PartialRender)
+                return new PartialRender(newSize);
             
-            if (measure.Type == SpacePlanType.FullRender)
-                return SpacePlan.FullRender(newSize);
+            if (measure is FullRender)
+                return new FullRender(newSize);
             
             throw new NotSupportedException();
         }
 
-        internal override void Draw(Size availableSpace)
+        internal override void Draw(ICanvas canvas, Size availableSpace)
         {
             if (Child == null)
                 return;
 
             var internalSpace = InternalSpace(availableSpace);
             
-            Canvas.Translate(new Position(Left, Top));
-            base.Draw(internalSpace);
-            Canvas.Translate(new Position(-Left, -Top));
+            canvas.Translate(new Position(Left, Top));
+            Child?.Draw(canvas, internalSpace);
+            canvas.Translate(new Position(-Left, -Top));
         }
 
         private Size InternalSpace(Size availableSpace)
@@ -57,10 +57,5 @@ namespace QuestPDF.Elements
                 availableSpace.Width - Left - Right,
                 availableSpace.Height - Top - Bottom);
         }
-        
-        public override string ToString()
-        {
-            return $"Padding: Top({Top}) Right({Right}) Bottom({Bottom}) Left({Left})";
-        }
     }
 }

QuestPDF/Elements/Page.cs

@@ -0,0 +1,22 @@
+using QuestPDF.Fluent;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class Page : IComponent
+    {
+        public Element Header { get; set; } = Empty.Instance;
+        public Element Content { get; set; } = Empty.Instance;
+        public Element Footer { get; set; } = Empty.Instance;
+
+        public void Compose(IContainer container)
+        {
+            container.Decoration(decoration =>
+            {
+                decoration.Header().Element(Header);
+                decoration.Content().Extend().Element(Content);
+                decoration.Footer().Element(Footer);
+            });
+        }
+    }
+}