Fixes

Right-to-left content support

QuestPDF.Examples/ContentDirectionExamples.cs

@@ -0,0 +1,408 @@
+using System;
+using System.Linq;
+using NUnit.Framework;
+using QuestPDF.Drawing.Exceptions;
+using QuestPDF.Elements;
+using QuestPDF.Examples.Engine;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Examples
+{
+    public class ContentDirectionExamples
+    {
+        private Action<IContainer> ContentDirectionTemplate(Action<IContainer> content)
+        {
+            return container =>
+            {
+                container
+                    .MinimalBox()
+                    .ExtendHorizontal()
+                    .Table(table =>
+                    {
+                        table.ColumnsDefinition(columns =>
+                        {
+                            columns.RelativeColumn();
+                            columns.ConstantColumn(1);
+                            columns.RelativeColumn();
+                        });
+                        
+                        table.Header(header =>
+                        {
+                            header.Cell().ContentFromLeftToRight().Element(HeaderCell("Left-to-right"));
+                            header.Cell().LineVertical(1).LineColor(Colors.Grey.Medium);
+                            header.Cell().ContentFromRightToLeft().Element(HeaderCell("Right-to-left"));
+
+                            static Action<IContainer> HeaderCell(string label)
+                            {
+                                return container => container
+                                    .BorderColor(Colors.Grey.Medium)
+                                    .Background(Colors.Grey.Lighten2)
+                                    .PaddingHorizontal(15)
+                                    .PaddingVertical(5)
+                                    .Text(label)
+                                    .FontSize(18)
+                                    .SemiBold();
+                            }
+                        });
+
+                        table.Cell().Element(TestCell).ContentFromLeftToRight().Element(content);
+                        table.Cell().LineVertical(1).LineColor(Colors.Grey.Medium);
+                        table.Cell().Element(TestCell).ContentFromRightToLeft().Element(content);
+                        
+                        static IContainer TestCell(IContainer container)
+                        {
+                            return container.Padding(15);
+                        }
+                    });
+            };
+        }
+        
+        [Test]
+        public void Page()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .RenderDocument(document =>
+                {
+                    document.Page(page =>
+                    {
+                        page.Size(PageSizes.A5);
+                        page.Margin(20);
+                        page.PageColor(Colors.White);
+                        
+                        page.DefaultTextStyle(x => x.FontFamily("Calibri").FontSize(20));
+                        page.ContentFromRightToLeft();
+                        
+                        page.Content().Column(column =>
+                        {
+                            column.Spacing(20);
+
+                            column.Item()
+                                .Text("مثال على الفاتورة") // example invoice
+                                .FontSize(32).FontColor(Colors.Blue.Darken2).SemiBold();
+                            
+                            column.Item().Table(table =>
+                            {
+                                table.ColumnsDefinition(columns =>
+                                {
+                                    columns.RelativeColumn();
+                                    columns.ConstantColumn(75);
+                                    columns.ConstantColumn(100);
+                                });
+
+                                table.Cell().Element(HeaderStyle).Text("وصف السلعة"); // item description
+                                table.Cell().Element(HeaderStyle).Text("كمية"); // quantity
+                                table.Cell().Element(HeaderStyle).Text("سعر"); // price
+
+                                var items = new[]
+                                {
+                                    "دورة البرمجة", // programming course
+                                    "دورة تصميم الرسومات", // graphics design course
+                                    "تحليل وتصميم الخوارزميات", // analysis and design of algorithms
+                                };
+                                
+                                foreach (var item in items)
+                                {
+                                    var price = Placeholders.Random.NextDouble() * 100;
+                                    
+                                    table.Cell().Text(item);
+                                    table.Cell().Text(Placeholders.Random.Next(1, 10));
+                                    table.Cell().Text($"USD${price:F2}");
+                                }
+
+                                static IContainer HeaderStyle(IContainer x) => x.BorderBottom(1).PaddingVertical(5);
+                            });
+                        });
+                    });
+                });
+        }
+
+        [Test]
+        public void Column()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(ContentDirectionTemplate(Content));
+
+            void Content(IContainer container)
+            {
+                container.Column(column =>
+                {
+                    column.Spacing(5);
+
+                    column.Item().Height(50).Width(50).Background(Colors.Red.Lighten1);
+                    column.Item().Height(50).Width(100).Background(Colors.Green.Lighten1);
+                    column.Item().Height(50).Width(150).Background(Colors.Blue.Lighten1);
+                });
+            }
+        }
+        
+        [Test]
+        public void Row()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(ContentDirectionTemplate(Content));
+
+            void Content(IContainer container)
+            {
+                container.Row(row =>
+                {
+                    row.Spacing(5);
+                    
+                    row.AutoItem().Height(50).Width(50).Background(Colors.Red.Lighten1);
+                    row.AutoItem().Height(50).Width(50).Background(Colors.Green.Lighten1);
+                    row.AutoItem().Height(50).Width(75).Background(Colors.Blue.Lighten1);
+                });
+            }
+        }
+        
+        [Test]
+        public void Table()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(ContentDirectionTemplate(Content));
+
+            void Content(IContainer container)
+            {
+                container.Table(table =>
+                {
+                    table.ColumnsDefinition(columns =>
+                    {
+                        columns.RelativeColumn();
+                        columns.RelativeColumn();
+                        columns.RelativeColumn();
+                    });
+                    
+                    table.Cell().Height(50).Background(Colors.Red.Lighten1);
+                    table.Cell().Height(50).Background(Colors.Green.Lighten1);
+                    table.Cell().Height(50).Background(Colors.Blue.Lighten1);
+                    table.Cell().ColumnSpan(2).Height(50).Background(Colors.Orange.Lighten1);
+                });
+            }
+        }
+        
+        [Test]
+        public void Constrained()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(ContentDirectionTemplate(Content));
+
+            void Content(IContainer container)
+            {
+                container.Width(50).Height(50).Background(Colors.Red.Lighten1);
+            }
+        }
+        
+        [Test]
+        public void Unconstrained()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(ContentDirectionTemplate(Content));
+
+            void Content(IContainer container)
+            {
+                container
+                    .Width(100)
+                    .Height(100)
+                    .Background(Colors.Grey.Lighten3)
+                    .AlignCenter()
+                    .AlignMiddle()
+                    
+                    .Unconstrained()
+                    
+                    .Width(50)
+                    .Height(50)
+                    .Background(Colors.Red.Lighten1);
+            }
+        }
+        
+        [Test]
+        public void Inlined()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(ContentDirectionTemplate(Content));
+
+            void Content(IContainer container)
+            {
+                container.Column(column =>
+                {
+                    column.Spacing(10);
+
+                    column.Item().Text("Default alignment").FontSize(14).SemiBold();
+                    column.Item().Element(ContentWithAlignment(null));
+                    
+                    column.Item().Text("Left alignment").FontSize(14).SemiBold();
+                    column.Item().Element(ContentWithAlignment(InlinedAlignment.Left));
+                    
+                    column.Item().Text("Center alignment").FontSize(14).SemiBold();
+                    column.Item().Element(ContentWithAlignment(InlinedAlignment.Center));
+                    
+                    column.Item().Text("Right alignment").FontSize(14).SemiBold();
+                    column.Item().Element(ContentWithAlignment(InlinedAlignment.Right));
+                });
+                
+                static Action<IContainer> ContentWithAlignment(InlinedAlignment? alignment)
+                {
+                    return container =>
+                    {
+                        container.Inlined(inlined =>
+                        {
+                            inlined.Spacing(5);
+                            
+                            inlined.Alignment(alignment);
+                    
+                            inlined.Item().Height(50).Width(50).Background(Colors.Red.Lighten1);
+                            inlined.Item().Height(50).Width(75).Background(Colors.Green.Lighten1);
+                            inlined.Item().Height(50).Width(100).Background(Colors.Blue.Lighten1);
+                            inlined.Item().Height(50).Width(125).Background(Colors.Orange.Lighten1);
+                        });
+                    };
+                }
+            }
+        }
+        
+        [Test]
+        public void Text()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(ContentDirectionTemplate(Content));
+
+            void Content(IContainer container)
+            {
+                container.Column(column =>
+                {
+                    column.Spacing(10);
+
+                    column.Item().Text("Default alignment").FontSize(14).SemiBold();
+                    column.Item().Element(ContentWithAlignment(null));
+                    
+                    column.Item().Text("Left alignment").FontSize(14).SemiBold();
+                    column.Item().Element(ContentWithAlignment(HorizontalAlignment.Left));
+                    
+                    column.Item().Text("Center alignment").FontSize(14).SemiBold();
+                    column.Item().Element(ContentWithAlignment(HorizontalAlignment.Center));
+                    
+                    column.Item().Text("Right alignment").FontSize(14).SemiBold();
+                    column.Item().Element(ContentWithAlignment(HorizontalAlignment.Right));
+                });
+
+                static Action<IContainer> ContentWithAlignment(HorizontalAlignment? alignment)
+                {
+                    return container =>
+                    {
+                        container.Text(text =>
+                        {
+                            text.Alignment = alignment; // internal API
+                    
+                            text.Span("Lorem ipsum").Bold().FontColor(Colors.Red.Medium);
+                            text.Element().Width(5);
+                            text.Span(Placeholders.LoremIpsum());
+                        });
+                    };
+                }
+            }
+        }
+        
+        [Test]
+        public void Decoration()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(ContentDirectionTemplate(Content));
+
+            void Content(IContainer container)
+            {
+                container.Decoration(decoration =>
+                {
+                    decoration.Before().Background(Colors.Green.Lighten1).Padding(5).Text("Before").FontSize(16);
+                    decoration.Content().Background(Colors.Green.Lighten2).Padding(5).Text("Content").FontSize(16);
+                    decoration.After().Background(Colors.Green.Lighten3).Padding(5).Text("After").FontSize(16);
+                });
+            }
+        }
+        
+        [Test]
+        public void Dynamic()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProduceImages()
+                .ShowResults()
+                .EnableDebugging()
+                .Render(ContentDirectionTemplate(Content));
+
+            void Content(IContainer container)
+            {
+                container.Dynamic(new SimpleDynamic());
+            }
+        }
+        
+        class SimpleDynamic : IDynamicComponent<int>
+        {
+            public int State { get; set; }
+
+            public DynamicComponentComposeResult Compose(DynamicContext context)
+            {
+                var content = context.CreateElement(container =>
+                {
+                    container.Row(row =>
+                    {
+                        row.ConstantItem(50).Background(Colors.Red.Lighten2).Height(50);
+                        row.ConstantItem(75).Background(Colors.Green.Lighten2).Height(50);
+                        row.ConstantItem(100).Background(Colors.Blue.Lighten2).Height(50);
+                    });
+                });
+                
+                return new DynamicComponentComposeResult
+                {
+                    Content = content,
+                    HasMoreContent = false
+                };
+            }
+        }
+    }
+}

QuestPDF.Examples/QuestPDF.Examples.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <TargetFramework>net6.0</TargetFramework>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
 
@@ -9,10 +9,10 @@
         <PackageReference Include="BenchmarkDotNet" Version="0.13.2" />
         <PackageReference Include="microcharts" Version="0.9.5.9" />
         <PackageReference Include="nunit" Version="3.13.3" />
-        <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.1" />
-        <PackageReference Include="SkiaSharp" Version="2.80.4" />
-        <PackageReference Include="Svg.Skia" Version="0.5.10" />
+        <PackageReference Include="NUnit3TestAdapter" Version="4.3.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
+        <PackageReference Include="SkiaSharp" Version="2.88.3" />
+        <PackageReference Include="Svg.Skia" Version="0.5.18" />
     </ItemGroup>
 
     <ItemGroup>

QuestPDF.Examples/RepeatContentExamples.cs

@@ -1,38 +0,0 @@
-using System.Linq;
-using NUnit.Framework;
-using QuestPDF.Examples.Engine;
-using QuestPDF.Fluent;
-using QuestPDF.Helpers;
-
-namespace QuestPDF.Examples
-{
-    public class RepeatContentExamples
-    {
-        [Test]
-        public void ItemTypes()
-        {
-            RenderingTest
-                .Create()
-                .ProducePdf()
-                .PageSize(PageSizes.A4)
-                .ShowResults()
-                .Render(container =>
-                {
-                    container
-                        .Padding(25)
-                        .Decoration(decoration =>
-                        {
-                            decoration.Before().Text("Test").FontSize(22);
-                            
-                            decoration.Content().Column(column =>
-                            {
-                                column.Spacing(20);
-
-                                foreach (var _ in Enumerable.Range(0, 10))
-                                    column.Item().Background(Colors.Grey.Medium).ExtendHorizontal().Height(80);
-                            }); 
-                        });
-                });
-        }
-    }
-}

QuestPDF.Examples/TextExamples.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using System.Text;
 using NUnit.Framework;
@@ -604,7 +604,7 @@ namespace QuestPDF.Examples
         {
             RenderingTest
                 .Create()
-                .PageSize(500, 100)
+                .PageSize(250, 100)
                 
                 .ProduceImages()
                 .ShowResults()
@@ -614,9 +614,9 @@ namespace QuestPDF.Examples
                         .Padding(25)
                         .MinimalBox()
                         .Background(Colors.Grey.Lighten2)
-                        .Text("ينا الألم. في بعض الأحيان ونظراً للالتزامات التي يفرضها علينا")
+                        .Text("خوارزمية ترتيب")
                         .FontFamily(Fonts.Calibri)
-                        .FontSize(20);
+                        .FontSize(30);
                 });
         }
         
@@ -689,5 +689,102 @@ namespace QuestPDF.Examples
                         });
                 });
         }
+        
+        [Test]
+        public void AdvancedLanguagesSupport()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(new PageSize(400, 400))
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    var text = "في المعلوماتية أو الرياضيات، خوارزمية الترتيب هي خوارزمية تمكن من تنظيم مجموعة عناصر حسب ترتيب محدد.";
+                    
+                    container
+                        .Padding(20)
+                        .ContentFromRightToLeft()
+                        .Text(text)
+                        .FontFamily(Fonts.Calibri)
+                        .FontSize(22);
+                });
+        }
+        
+        [Test]
+        public void WordWrappingWhenRightToLeft()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(new PageSize(1000, 500))
+                .ProducePdf()
+                .ShowResults()
+                .Render(container =>
+                {
+                    var text = "في المعلوماتية أو الرياضيات، خوارزمية الترتيب هي خوارزمية تمكن من تنظيم مجموعة عناصر حسب ترتيب محدد.";
+                    
+                    container
+                        .Padding(25)
+                        .ContentFromRightToLeft()
+                        .Column(column =>
+                        {
+                            column.Spacing(20);
+                            
+                            foreach (var size in new[] { 36, 34, 32, 30, 15 })
+                            {
+                                column
+                                    .Item()
+                                    .ShowEntire()
+                                    .MaxWidth(size * 25)
+                                    .Background(Colors.Grey.Lighten3)
+                                    .MinimalBox()
+                                    .Background(Colors.Grey.Lighten2)
+                                    .Text(text)
+                                    .FontSize(20)
+                                    .FontFamily("Segoe UI");
+                            }
+                        });
+                });
+        }
+        
+        [Test]
+        public void ForcingTextDirection()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(new PageSize(1000, 500))
+                .ProduceImages()
+                .ShowResults()
+                .Render(container =>
+                {
+                    container
+                        .Padding(10)
+                        .DefaultTextStyle(x => x.FontSize(24).FontFamily("Calibri"))
+                        .Column(column =>
+                        {
+                            column.Spacing(10);
+                            
+                            var word = "الجوريتم";
+                            var definition = "algorithm in Arabic";
+
+                            var text = $"{word} - {definition}";
+                            
+                            // text direction is automatically detected using the first word
+                            column.Item().Text(text);
+                            
+                            // it is possible to force specific content direction
+                            column.Item().Text(text).DirectionFromLeftToRight();
+                            column.Item().Text(text).DirectionFromRightToLeft();
+
+                            // to combine text in various content directions, split it into segments
+                            column.Item().Text(text =>
+                            {
+                                text.Span(word);
+                                text.Span(" - ");
+                                text.Span(definition);
+                            });
+                        });
+                });
+        }
     }
 }

QuestPDF.Previewer.Examples/Program.cs

@@ -1,62 +0,0 @@
-using QuestPDF.Fluent;
-using QuestPDF.Helpers;
-using QuestPDF.Infrastructure;
-using QuestPDF.Previewer;
-using QuestPDF.ReportSample;
-using QuestPDF.ReportSample.Layouts;
-
-//ImagePlaceholder.Solid = true;
-
-// var model = DataSource.GetReport();
-// var report = new StandardReport(model);
-// report.ShowInPreviewer();
-//
-// return;
-
-Document
-    .Create(container =>
-    {
-        container.Page(page =>
-        {
-            page.Size(PageSizes.A4);
-            page.Margin(2, Unit.Centimetre);
-            page.PageColor(Colors.White);
-            page.DefaultTextStyle(x => x.FontSize(20));
-
-            page.Header()
-                .Text("Hot Reload!")
-                .SemiBold().FontSize(36).FontColor(Colors.Blue.Darken2);
-
-            page.Content()
-                .PaddingVertical(1, Unit.Centimetre)
-                .Column(x =>
-                {
-                    x.Spacing(20);
-
-                    x.Item().Table(t =>
-                    {
-                        t.ColumnsDefinition(c =>
-                        {
-                            c.RelativeColumn();
-                            c.RelativeColumn(3);
-                        });
-
-                        t.Cell().Border(1).Background(Colors.Grey.Lighten3).Padding(5).Text("Visual Studio");
-                        t.Cell().Border(1).Padding(5).Text("Start in debug mode with 'Hot Reload on Save' enabled.");
-                        t.Cell().Border(1).Background(Colors.Grey.Lighten3).Padding(5).Text("Command line");
-                        t.Cell().Border(1).Padding(5).Text("Run 'dotnet watch'.");
-                    });
-
-                    x.Item().Text("Modify this line and the preview should show your changes instantly.");
-                });
-
-            page.Footer()
-                .AlignCenter()
-                .Text(x =>
-                {
-                    x.Span("Page ");
-                    x.CurrentPageNumber();
-                });
-        });
-    })
-    .ShowInPreviewer();

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

@@ -1,15 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\QuestPDF.ReportSample\QuestPDF.ReportSample.csproj" />
-    <ProjectReference Include="..\QuestPDF\QuestPDF.csproj" />
-  </ItemGroup>
-
-</Project>

QuestPDF.Previewer/CommunicationService.cs

@@ -1,79 +0,0 @@
-using System.Text.Json;
-using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.AspNetCore.Http;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Logging;
-using SkiaSharp;
-
-namespace QuestPDF.Previewer;
-
-class CommunicationService
-{
-    public static CommunicationService Instance { get; } = new ();
-    
-    public event Action<ICollection<PreviewPage>>? OnDocumentRefreshed;
-
-    private WebApplication? Application { get; set; }
-
-    private readonly JsonSerializerOptions JsonSerializerOptions = new()
-    {
-        PropertyNameCaseInsensitive = true
-    };
-
-    private CommunicationService()
-    {
-        
-    }
-    
-    public Task Start(int port)
-    {
-        var builder = WebApplication.CreateBuilder();
-        builder.Services.AddLogging(x => x.ClearProviders());
-        builder.WebHost.UseKestrel(options => options.Limits.MaxRequestBodySize = null);
-        Application = builder.Build();
-
-        Application.MapGet("ping", HandlePing);
-        Application.MapGet("version", HandleVersion);
-        Application.MapPost("update/preview", HandleUpdatePreview);
-            
-        return Application.RunAsync($"http://localhost:{port}/");
-    }
-
-    public async Task Stop()
-    {
-        await Application.StopAsync();
-        await Application.DisposeAsync();
-    }
-
-    private async Task<IResult> HandlePing()
-    {
-        return OnDocumentRefreshed == null 
-            ? Results.StatusCode(StatusCodes.Status503ServiceUnavailable) 
-            : Results.Ok();
-    }
-    
-    private async Task<IResult> HandleVersion()
-    {
-        return Results.Json(GetType().Assembly.GetName().Version);
-    }
-    
-    private async Task<IResult> HandleUpdatePreview(HttpRequest request)
-    {
-        var command = JsonSerializer.Deserialize<DocumentSnapshot>(request.Form["command"], JsonSerializerOptions);
-
-        var pages = command
-            .Pages
-            .Select(page =>
-            {
-                using var stream = request.Form.Files[page.Id].OpenReadStream();
-                var picture = SKPicture.Deserialize(stream);
-                        
-                return new PreviewPage(picture, page.Width, page.Height);
-            })
-            .ToList();
-
-        Task.Run(() => OnDocumentRefreshed(pages));
-        return Results.Ok();
-    }
-}

QuestPDF.Previewer/Helpers.cs

@@ -1,20 +0,0 @@
-using SkiaSharp;
-
-namespace QuestPDF.Previewer;
-
-class Helpers
-{
-    public static void GeneratePdfFromDocumentSnapshots(string filePath, ICollection<PreviewPage> pages)
-    {
-        using var stream = File.Create(filePath);
-            
-        using var document = SKDocument.CreatePdf(stream);
-            
-        foreach (var page in pages)
-        {
-            using var canvas = document.BeginPage(page.Width, page.Height);
-            canvas.DrawPicture(page.Picture);
-            document.EndPage();
-        }
-    }
-}

QuestPDF.Previewer/InteractiveCanvas.cs

@@ -1,202 +0,0 @@
-using Avalonia;
-using Avalonia.Platform;
-using Avalonia.Rendering.SceneGraph;
-using Avalonia.Skia;
-using SkiaSharp;
-
-namespace QuestPDF.Previewer;
-
-class InteractiveCanvas : ICustomDrawOperation
-{
-    public Rect Bounds { get; set; }
-    public ICollection<PreviewPage> Pages { get; set; }
-
-    private float Width => (float)Bounds.Width;
-    private float Height => (float)Bounds.Height;
-
-    public float Scale { get; private set; } = 1;
-    public float TranslateX { get; set; }
-    public float TranslateY { get; set; }
-
-    private const float MinScale = 0.1f;
-    private const float MaxScale = 10f;
-
-    private const float PageSpacing = 25f;
-    private const float SafeZone = 25f;
-
-    public float TotalPagesHeight => Pages.Sum(x => x.Height) + (Pages.Count - 1) * PageSpacing;
-    public float TotalHeight => TotalPagesHeight + SafeZone * 2 / Scale;
-    public float MaxWidth => Pages.Any() ? Pages.Max(x => x.Width) : 0;
-    
-    public float MaxTranslateY => TotalHeight - Height / Scale;
-
-    public float ScrollPercentY
-    {
-        get
-        {
-            return TranslateY / MaxTranslateY;
-        }
-        set
-        {
-            TranslateY = value * MaxTranslateY;
-        }
-    }
-
-    public float ScrollViewportSizeY
-    {
-        get
-        {
-            var viewPortSize = Height / Scale / TotalHeight;
-            return Math.Clamp(viewPortSize, 0, 1);
-        }
-    }
-
-    #region transformations
-    
-    private void LimitScale()
-    {
-        Scale = Math.Max(Scale, MinScale);
-        Scale = Math.Min(Scale, MaxScale);
-    }
-    
-    private void LimitTranslate()
-    {
-        if (TotalPagesHeight > Height / Scale)
-        {
-            TranslateY = Math.Min(TranslateY, MaxTranslateY);
-            TranslateY = Math.Max(TranslateY, 0);
-        }
-        else
-        {
-            TranslateY = (TotalPagesHeight - Height / Scale) / 2;
-        }
-
-        if (Width / Scale < MaxWidth)
-        {
-            var maxTranslateX = (Width / 2 - SafeZone) / Scale - MaxWidth / 2;
-
-            TranslateX = Math.Min(TranslateX, -maxTranslateX);
-            TranslateX = Math.Max(TranslateX, maxTranslateX);
-        }
-        else
-        {
-            TranslateX = 0;
-        }
-    }
-
-    public void TranslateWithCurrentScale(float x, float y)
-    {
-        TranslateX += x / Scale;
-        TranslateY += y / Scale;
-
-        LimitTranslate();
-    }
-    
-    public void ZoomToPoint(float x, float y, float factor)
-    {
-        var oldScale = Scale;
-        Scale *= factor;
-                
-        LimitScale();
-   
-        TranslateX -= x / Scale - x / oldScale;
-        TranslateY -= y / Scale - y / oldScale;
-
-        LimitTranslate();
-    }
-    
-    #endregion
-    
-    #region rendering
-    
-    public void Render(IDrawingContextImpl context)
-    {
-        if (Pages.Count <= 0)
-            return;
-
-        LimitScale();
-        LimitTranslate();
-        
-        var canvas = (context as ISkiaDrawingContextImpl)?.SkCanvas;
-        
-        if (canvas == null)
-            throw new InvalidOperationException($"Context needs to be ISkiaDrawingContextImpl but got {nameof(context)}");
-
-        var originalMatrix = canvas.TotalMatrix;
-
-        canvas.Translate(Width / 2, 0);
-        
-        canvas.Scale(Scale);
-        canvas.Translate(TranslateX, -TranslateY + SafeZone / Scale);
-        
-        foreach (var page in Pages)
-        {
-            canvas.Translate(-page.Width / 2f, 0);
-            DrawBlankPage(canvas, page.Width, page.Height);
-            canvas.DrawPicture(page.Picture);
-            canvas.Translate(page.Width / 2f, page.Height + PageSpacing);
-        }
-
-        canvas.SetMatrix(originalMatrix);
-        DrawInnerGradient(canvas);
-    }
-    
-    public void Dispose() { }
-    public bool Equals(ICustomDrawOperation? other) => false;
-    public bool HitTest(Point p) => true;
-
-    #endregion
-    
-    #region blank page
-
-    private static SKPaint BlankPagePaint = new SKPaint
-    {
-        Color = SKColors.White
-    };
-    
-    private static SKPaint BlankPageShadowPaint = new SKPaint
-    {
-        ImageFilter = SKImageFilter.CreateBlendMode(
-            SKBlendMode.Overlay, 
-            SKImageFilter.CreateDropShadowOnly(0, 6, 6, 6, SKColors.Black.WithAlpha(64)),
-            SKImageFilter.CreateDropShadowOnly(0, 10, 14, 14, SKColors.Black.WithAlpha(32)))
-    };
-    
-    private void DrawBlankPage(SKCanvas canvas, float width, float height)
-    {
-        canvas.DrawRect(0, 0, width, height, BlankPageShadowPaint);
-        canvas.DrawRect(0, 0, width, height, BlankPagePaint);
-    }
-    
-    #endregion
-
-    #region inner viewport gradient
-
-    private const int InnerGradientSize = (int)SafeZone;
-    private static readonly SKColor InnerGradientColor = SKColor.Parse("#666");
-    
-    private void DrawInnerGradient(SKCanvas canvas)
-    {
-        // gamma correction
-        var colors = Enumerable
-            .Range(0, InnerGradientSize)
-            .Select(x => 1f - x / (float) InnerGradientSize)
-            .Select(x => Math.Pow(x, 2f))
-            .Select(x => (byte)(x * 255))
-            .Select(x => InnerGradientColor.WithAlpha(x))
-            .ToArray();
-        
-        using var fogPaint = new SKPaint
-        {
-            Shader = SKShader.CreateLinearGradient(
-                new SKPoint(0, 0),
-                new SKPoint(0, InnerGradientSize), 
-                colors,
-                SKShaderTileMode.Clamp)
-        };
-        
-        canvas.DrawRect(0, 0, Width, InnerGradientSize, fogPaint);
-    }
-
-    #endregion
-}

QuestPDF.Previewer/PreviewPage.cs

@@ -1,6 +0,0 @@
-using SkiaSharp;
-
-namespace QuestPDF.Previewer
-{
-    record PreviewPage(SKPicture Picture, float Width, float Height);
-}

QuestPDF.Previewer/PreviewerApp.axaml

@@ -1,8 +0,0 @@
-<Application x:Class="QuestPDF.Previewer.PreviewerApp"
-             xmlns="https://github.com/avaloniaui"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             Name="QuestPDF Document Preview">
-	<Application.Styles>
-		<FluentTheme Mode="Dark" />
-	</Application.Styles>
-</Application>

QuestPDF.Previewer/PreviewerApp.axaml.cs

@@ -1,27 +0,0 @@
-using Avalonia;
-using Avalonia.Controls.ApplicationLifetimes;
-using Avalonia.Markup.Xaml;
-
-namespace QuestPDF.Previewer
-{
-    internal class PreviewerApp : Application
-    {
-        public override void Initialize()
-        {
-            AvaloniaXamlLoader.Load(this);
-        }
-
-        public override void OnFrameworkInitializationCompleted()
-        {
-            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
-            {
-                desktop.MainWindow = new PreviewerWindow()
-                {
-                    DataContext = new PreviewerWindowViewModel()
-                };
-            }
-            
-            base.OnFrameworkInitializationCompleted();
-        }
-    }
-}

QuestPDF.Previewer/PreviewerControl.cs

@@ -1,118 +0,0 @@
-using System.Collections.ObjectModel;
-using Avalonia;
-using Avalonia.Controls;
-using Avalonia.Input;
-using Avalonia.Media;
-
-namespace QuestPDF.Previewer
-{
-    class PreviewerControl : Control
-    {
-        private InteractiveCanvas InteractiveCanvas { get; set; } = new ();
-        
-        public static readonly StyledProperty<ObservableCollection<PreviewPage>> PagesProperty =
-            AvaloniaProperty.Register<PreviewerControl, ObservableCollection<PreviewPage>>(nameof(Pages));
-        
-        public ObservableCollection<PreviewPage>? Pages
-        {
-            get => GetValue(PagesProperty);
-            set => SetValue(PagesProperty, value);
-        }
-
-        public static readonly StyledProperty<float> CurrentScrollProperty = AvaloniaProperty.Register<PreviewerControl, float>(nameof(CurrentScroll));
-        
-        public float CurrentScroll
-        {
-            get => GetValue(CurrentScrollProperty);
-            set => SetValue(CurrentScrollProperty, value);
-        }
-        
-        public static readonly StyledProperty<float> ScrollViewportSizeProperty = AvaloniaProperty.Register<PreviewerControl, float>(nameof(ScrollViewportSize));
-        
-        public float ScrollViewportSize
-        {
-            get => GetValue(ScrollViewportSizeProperty);
-            set => SetValue(ScrollViewportSizeProperty, value);
-        }
-        
-        public PreviewerControl()
-        {
-            PagesProperty.Changed.Subscribe(x =>
-            {
-                InteractiveCanvas.Pages = x.NewValue.Value;
-                InvalidateVisual();
-            });
-
-            CurrentScrollProperty.Changed.Subscribe(x =>
-            {
-                InteractiveCanvas.ScrollPercentY = x.NewValue.Value;
-                InvalidateVisual();
-            });
-
-            ClipToBounds = true;
-        }
-        
-        protected override void OnPointerWheelChanged(PointerWheelEventArgs e)
-        {
-            base.OnPointerWheelChanged(e);
-
-            if ((e.KeyModifiers & KeyModifiers.Control) != 0)
-            {
-                var scaleFactor = 1 + e.Delta.Y / 10f;
-                var point = new Point(Bounds.Center.X, Bounds.Top) - e.GetPosition(this);
-                
-                InteractiveCanvas.ZoomToPoint((float)point.X, -(float)point.Y, (float)scaleFactor);
-            }
-                
-            if (e.KeyModifiers == KeyModifiers.None)
-            {
-                var translation = (float)e.Delta.Y * 25;
-                InteractiveCanvas.TranslateWithCurrentScale(0, -translation);
-            }
-                
-            InvalidateVisual();
-        }
-
-        private bool IsMousePressed { get; set; }
-        private Vector MousePosition { get; set; }
-        
-        protected override void OnPointerMoved(PointerEventArgs e)
-        {
-            base.OnPointerMoved(e);
-
-            if (IsMousePressed)
-            {
-                var currentPosition = e.GetPosition(this);
-                var translation = currentPosition - MousePosition;
-                InteractiveCanvas.TranslateWithCurrentScale((float)translation.X, -(float)translation.Y);
-                
-                InvalidateVisual();
-            }
-
-            MousePosition = e.GetPosition(this);
-        }
-        
-        protected override void OnPointerPressed(PointerPressedEventArgs e)
-        {
-            base.OnPointerPressed(e);
-            IsMousePressed = true;
-        }
-
-        protected override void OnPointerReleased(PointerReleasedEventArgs e)
-        {
-            base.OnPointerReleased(e);
-            IsMousePressed = false;
-        }
-
-        public override void Render(DrawingContext context)
-        {
-            CurrentScroll = InteractiveCanvas.ScrollPercentY;
-            ScrollViewportSize = InteractiveCanvas.ScrollViewportSizeY;
-    
-            InteractiveCanvas.Bounds = new Rect(0, 0, Bounds.Width, Bounds.Height);
-
-            context.Custom(InteractiveCanvas);
-            base.Render(context);
-        }
-    }
-}

QuestPDF.Previewer/PreviewerRefreshCommand.cs

@@ -1,18 +0,0 @@
-using SkiaSharp;
-
-namespace QuestPDF.Previewer;
-
-internal class DocumentSnapshot
-{
-    public ICollection<PageSnapshot> Pages { get; set; }
-
-    public class PageSnapshot
-    {
-        public string Id { get; set; }
-        
-        public float Width { get; set; }
-        public float Height { get; set; }
-        
-        public SKPicture Picture { get; set; }
-    }
-}

QuestPDF.Previewer/PreviewerWindow.axaml

@@ -1,97 +0,0 @@
-<Window xmlns="https://github.com/avaloniaui"
-		xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-		xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-		xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-		xmlns:previewer="clr-namespace:QuestPDF.Previewer"
-		mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-		x:Class="QuestPDF.Previewer.PreviewerWindow"
-		x:DataType="previewer:PreviewerWindowViewModel"
-		x:CompileBindings="True"
-		WindowStartupLocation="CenterScreen"
-		ExtendClientAreaToDecorationsHint="true"
-		ExtendClientAreaTitleBarHeightHint="-1"
-		Background="#666"
-		Icon="/Resources/Logo.png"
-		UseLayoutRounding="True"
-		Title="QuestPDF Document Preview">
-	
-	<Window.Styles>
-		<Style Selector="Button.actions">
-			<Setter Property="VerticalAlignment" Value="Bottom"/>
-			<Setter Property="HorizontalAlignment" Value="Left"/>
-			<Setter Property="Padding" Value="10"/>
-			<Setter Property="CornerRadius" Value="100"/>
-			<Setter Property="Background" Value="#888"/>
-		</Style>
-		
-		<Style Selector="Button:pointerover /template/ ContentPresenter">
-			<Setter Property="Background" Value="#999"/>
-		</Style>
-	</Window.Styles>
-
-	<Panel>
-		<Grid>
-			<Grid.RowDefinitions>
-				<RowDefinition Height="32" />
-				<RowDefinition Height="*" />
-			</Grid.RowDefinitions>
-
-			<Grid.ColumnDefinitions>
-				<ColumnDefinition Width="*" />
-				<ColumnDefinition Width="Auto" />
-			</Grid.ColumnDefinitions>
-			
-			<TextBlock Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2"
-			           VerticalAlignment="Center" HorizontalAlignment="Center" 
-			           TextAlignment="Center" Text="QuestPDF Previewer" FontSize="14" Foreground="#DFFF" FontWeight="Regular" IsHitTestVisible="False" />
-			
-			<previewer:PreviewerControl Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2"
-			                            HorizontalAlignment="Stretch" 
-			                            VerticalAlignment="Stretch"
-			                            CurrentScroll="{Binding CurrentScroll, Mode=TwoWay}"
-			                            ScrollViewportSize="{Binding ScrollViewportSize, Mode=OneWayToSource}"
-			                            Pages="{Binding Pages, Mode=OneWay}" />
-			
-			<StackPanel Grid.Row="1" Grid.Column="0" Orientation="Vertical" VerticalAlignment="Bottom" Spacing="16" Margin="32">
-				<Button Classes="actions"
-				        Command="{Binding ShowPdfCommand, Mode=OneTime}"
-				        IsVisible="{Binding !!Pages.Count}"
-				        ToolTip.Tip="Generates PDF file and shows it in the default browser. Useful for testing compatibility and interactive links.">
-					<Viewbox Width="24" Height="24">
-						<Canvas Width="24" Height="24">
-							<Path Fill="White" Data="M14,2H6A2,2 0 0,0 4,4V20A2,2 0 0,0 6,22H13C12.59,21.75 12.2,21.44 11.86,21.1C11.53,20.77 11.25,20.4 11,20H6V4H13V9H18V10.18C18.71,10.34 19.39,10.61 20,11V8L14,2M20.31,18.9C21.64,16.79 21,14 18.91,12.68C16.8,11.35 14,12 12.69,14.08C11.35,16.19 12,18.97 14.09,20.3C15.55,21.23 17.41,21.23 18.88,20.32L22,23.39L23.39,22L20.31,18.9M16.5,19A2.5,2.5 0 0,1 14,16.5A2.5,2.5 0 0,1 16.5,14A2.5,2.5 0 0,1 19,16.5A2.5,2.5 0 0,1 16.5,19Z" />
-						</Canvas>
-					</Viewbox>
-				</Button>
-				
-				<Button Classes="actions"
-				        Command="{Binding ShowDocumentationCommand, Mode=OneTime}"
-				        ToolTip.Tip="Opens official QuestPDF documentation">
-					<Viewbox Width="24" Height="24">
-						<Canvas Width="24" Height="24">
-							<Path Fill="White" Data="M19 1L14 6V17L19 12.5V1M21 5V18.5C19.9 18.15 18.7 18 17.5 18C15.8 18 13.35 18.65 12 19.5V6C10.55 4.9 8.45 4.5 6.5 4.5C4.55 4.5 2.45 4.9 1 6V20.65C1 20.9 1.25 21.15 1.5 21.15C1.6 21.15 1.65 21.1 1.75 21.1C3.1 20.45 5.05 20 6.5 20C8.45 20 10.55 20.4 12 21.5C13.35 20.65 15.8 20 17.5 20C19.15 20 20.85 20.3 22.25 21.05C22.35 21.1 22.4 21.1 22.5 21.1C22.75 21.1 23 20.85 23 20.6V6C22.4 5.55 21.75 5.25 21 5M10 18.41C8.75 18.09 7.5 18 6.5 18C5.44 18 4.18 18.19 3 18.5V7.13C3.91 6.73 5.14 6.5 6.5 6.5C7.86 6.5 9.09 6.73 10 7.13V18.41Z" />
-						</Canvas>
-					</Viewbox>
-				</Button>
-				
-				<Button Classes="actions"
-				        Command="{Binding SponsorProjectCommand, Mode=OneTime}"
-				        ToolTip.Tip="Do you like QuestPDF? Please consider sponsoring the project. It really helps!">
-					<Viewbox Width="24" Height="24">
-						<Canvas Width="24" Height="24">
-							<Path Fill="White" Data="M12,21.1L10.5,22.4C3.9,16.5 0.5,13.4 0.5,9.6C0.5,8.4 0.9,7.3 1.5,6.4C1.5,6.6 1.5,6.8 1.5,7C1.5,11.7 5.4,15.2 12,21.1M13.6,17C18.3,12.7 21.5,9.9 21.6,7C21.6,5 20.1,3.5 18.1,3.5C16.5,3.5 15,4.5 14.5,5.9H12.6C12,4.5 10.5,3.5 9,3.5C7,3.5 5.5,5 5.5,7C5.5,9.9 8.6,12.7 13.4,17L13.5,17.1M18,1.5C21.1,1.5 23.5,3.9 23.5,7C23.5,10.7 20.1,13.8 13.5,19.8C6.9,13.9 3.5,10.8 3.5,7C3.5,3.9 5.9,1.5 9,1.5C10.7,1.5 12.4,2.3 13.5,3.6C14.6,2.3 16.3,1.5 18,1.5Z" />
-						</Canvas>
-					</Viewbox>
-				</Button>
-			</StackPanel>
-			
-			<ScrollBar Grid.Row="1" Grid.Column="1"
-			           Orientation="Vertical" 
-			           AllowAutoHide="False" 
-			           Minimum="0" Maximum="1" 
-			           IsVisible="{Binding VerticalScrollbarVisible, Mode=OneWay}"
-			           Value="{Binding CurrentScroll, Mode=TwoWay}" 
-			           ViewportSize="{Binding ScrollViewportSize, Mode=OneWay}"></ScrollBar>
-		</Grid>
-	</Panel>
-</Window>

QuestPDF.Previewer/PreviewerWindow.axaml.cs

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

QuestPDF.Previewer/PreviewerWindowViewModel.cs

@@ -1,89 +0,0 @@
-using System.Collections.ObjectModel;
-using System.Diagnostics;
-using ReactiveUI;
-using Unit = System.Reactive.Unit;
-using Avalonia.Threading;
-
-namespace QuestPDF.Previewer
-{
-    internal class PreviewerWindowViewModel : ReactiveObject
-    {
-        private ObservableCollection<PreviewPage> _pages = new();
-        public ObservableCollection<PreviewPage> Pages
-        {
-            get => _pages;
-            set => this.RaiseAndSetIfChanged(ref _pages, value);
-        }
-        
-        private float _currentScroll;
-        public float CurrentScroll
-        {
-            get => _currentScroll;
-            set => this.RaiseAndSetIfChanged(ref _currentScroll, value);
-        }
-
-        private float _scrollViewportSize;
-        public float ScrollViewportSize
-        {
-            get => _scrollViewportSize;
-            set
-            {
-                this.RaiseAndSetIfChanged(ref _scrollViewportSize, value);
-                VerticalScrollbarVisible = value < 1;
-            }
-        }
-
-        private bool _verticalScrollbarVisible;
-        public bool VerticalScrollbarVisible
-        {
-            get => _verticalScrollbarVisible;
-            private set => Dispatcher.UIThread.Post(() => this.RaiseAndSetIfChanged(ref _verticalScrollbarVisible, value));
-        }
-
-        public ReactiveCommand<Unit, Unit> ShowPdfCommand { get; }
-        public ReactiveCommand<Unit, Unit> ShowDocumentationCommand { get; }
-        public ReactiveCommand<Unit, Unit> SponsorProjectCommand { get; }
-
-        public PreviewerWindowViewModel()
-        {
-            CommunicationService.Instance.OnDocumentRefreshed += HandleUpdatePreview;
-            
-            ShowPdfCommand = ReactiveCommand.Create(ShowPdf);
-            ShowDocumentationCommand = ReactiveCommand.Create(() => OpenLink("https://www.questpdf.com/api-reference/index.html"));
-            SponsorProjectCommand = ReactiveCommand.Create(() => OpenLink("https://github.com/sponsors/QuestPDF"));
-        }
-
-        private void ShowPdf()
-        {
-            var filePath = Path.Combine(Path.GetTempPath(), $"{Guid.NewGuid():N}.pdf");
-            Helpers.GeneratePdfFromDocumentSnapshots(filePath, Pages);
-
-            OpenLink(filePath);
-        }
-        
-        private void OpenLink(string path)
-        {
-            using var openBrowserProcess = new Process
-            {
-                StartInfo = new()
-                {
-                    UseShellExecute = true,
-                    FileName = path
-                }
-            };
-
-            openBrowserProcess.Start();
-        }
-        
-        private void HandleUpdatePreview(ICollection<PreviewPage> pages)
-        {
-            var oldPages = Pages;
-            
-            Pages.Clear();
-            Pages = new ObservableCollection<PreviewPage>(pages);
-            
-            foreach (var page in oldPages)
-                page.Picture.Dispose();
-        }
-    }
-}

QuestPDF.Previewer/Program.cs

@@ -1,38 +0,0 @@
-using Avalonia;
-using Avalonia.Controls.ApplicationLifetimes;
-using Avalonia.ReactiveUI;
-using QuestPDF.Previewer;
-
-var applicationPort = GetCommunicationPort();
-CommunicationService.Instance.Start(applicationPort);
-
-if(Application.Current?.ApplicationLifetime is ClassicDesktopStyleApplicationLifetime desktop)
-{
-    desktop.MainWindow = new PreviewerWindow()
-    {
-        DataContext = new PreviewerWindowViewModel()
-    };
-                
-    desktop.MainWindow.Show();
-    desktop.Start(Array.Empty<string>());
-                
-    return;
-}
-
-AppBuilder
-    .Configure(() => new PreviewerApp())
-    .UsePlatformDetect()    
-    .UseReactiveUI()
-    .StartWithClassicDesktopLifetime(Array.Empty<string>());
-
-static int GetCommunicationPort()
-{
-    const int defaultApplicationPort = 12500;
-    
-    var arguments = Environment.GetCommandLineArgs();
-
-    if (arguments.Length < 2)
-        return defaultApplicationPort;
-
-    return int.TryParse(arguments[1], out var port) ? port : defaultApplicationPort;
-}    

QuestPDF.Previewer/QuestPDF.Previewer.csproj

@@ -1,55 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <Authors>MarcinZiabek</Authors>
-        <Company>CodeFlint</Company>
-        <PackageId>QuestPDF.Previewer</PackageId>
-        <Version>2022.9.1</Version>
-        <PackAsTool>true</PackAsTool>
-        <ToolCommandName>questpdf-previewer</ToolCommandName>
-        <PackageDescription>QuestPDF is an open-source, modern and battle-tested library that can help you with generating PDF documents by offering friendly, discoverable and predictable C# fluent API.</PackageDescription>
-        <PackageReleaseNotes>Initial release.</PackageReleaseNotes>
-        <LangVersion>10</LangVersion>
-        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-        <PackageIcon>Logo.png</PackageIcon>
-        <PackageIconUrl>https://www.questpdf.com/images/package-logo.png</PackageIconUrl>
-        <PackageProjectUrl>https://www.questpdf.com/</PackageProjectUrl>
-        <RepositoryUrl>https://github.com/QuestPDF/library.git</RepositoryUrl>
-        <RepositoryType>git</RepositoryType>
-        <Copyright>Marcin Ziąbek, QuestPDF contributors</Copyright>
-        <PackageTags>pdf report file export generate generation tool create creation render portable document format quest html library converter open source free standard core previewer</PackageTags>
-        <PackageLicenseExpression>MIT</PackageLicenseExpression>
-        <IncludeSymbols>true</IncludeSymbols>
-        <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-        <OutputType>exe</OutputType>
-        <TargetFramework>net6.0</TargetFramework>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
-    </PropertyGroup>
-
-    <ItemGroup>
-        <AvaloniaResource Include="Resources\Logo.png" />
-    </ItemGroup>
-
-    <ItemGroup>
-        <EmbeddedResource Include="Resources\Logo.png" />
-        <None Include="Resources\Logo.png">
-            <Pack>true</Pack>
-            <Visible>false</Visible>
-            <PackagePath>\</PackagePath>
-        </None>
-    </ItemGroup>
-    
-    <ItemGroup>
-        <FrameworkReference Include="Microsoft.AspNetCore.App" />
-        <PackageReference Include="Avalonia" Version="0.10.10" />
-        <PackageReference Include="Avalonia.Desktop" Version="0.10.10" />
-        <PackageReference Include="Avalonia.Diagnostics" Version="0.10.10" />
-        <PackageReference Include="Avalonia.Markup.Xaml.Loader" Version="0.10.10" />
-        <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.10" />
-        <PackageReference Include="ReactiveUI" Version="17.1.50" />
-        <PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="2.80.4" />
-        <PackageReference Include="System.Reactive" Version="5.0.0" />
-        <PackageReference Include="SkiaSharp" Version="2.80.4" />
-    </ItemGroup>
-</Project>

QuestPDF.Previewer/readme.md

@@ -1,23 +0,0 @@
-Install nuget locally (in directory where nupkg file is located)
-
-```
-dotnet tool install --global --add-source . QuestPDF.Previewer --global
-```
-
-Run on default port
-
-```
-questpdf-previewer
-```
-
-Run on custom port
-
-```
-questpdf-previewer 12500
-```
-
-Remove nuget locally 
-
-```
-dotnet tool uninstall QuestPDF.Previewer --global
-```

QuestPDF.ReportSample/Layouts/SectionTemplate.cs

@@ -83,6 +83,8 @@ namespace QuestPDF.ReportSample.Layouts
                     .Range(0, model.PhotoCount)
                     .ToList()
                     .ForEach(x => grid.Item().AspectRatio(4 / 3f).Component<ImagePlaceholder>());
+
+                //grid.Item().AspectRatio(4 / 3f).Width(100000).Component<ImagePlaceholder>();
             });
         }
     }

QuestPDF.ReportSample/Layouts/TableOfContentsTemplate.cs

@@ -68,9 +68,11 @@ namespace QuestPDF.ReportSample.Layouts
 
                         var lengthStyle = TextStyle.Default.FontColor(Colors.Grey.Medium);
                         
-                        text.Span(" (").Style(lengthStyle);
-                        text.TotalPagesWithinSection(locationName).Style(lengthStyle).Format(x => x == 1 ? "1 page long" : $"{x} pages long");
-                        text.Span(")").Style(lengthStyle);
+                        text.TotalPagesWithinSection(locationName).Style(lengthStyle).Format(x =>
+                        {
+                            var formatted = x == 1 ? "1 page long" : $"{x} pages long";
+                            return $" ({formatted})";
+                        });
                     });
                 });
         }

QuestPDF.ReportSample/PerformanceTests.cs

@@ -51,7 +51,7 @@ namespace QuestPDF.ReportSample
             Content = documentContainer.Compose();
 
             PageContext = new PageContext();
-            DocumentGenerator.RenderPass(PageContext, new FreeCanvas(), Content, null);
+            DocumentGenerator.RenderPass(PageContext, new FreeCanvas(), Content);
 
             var sw = new Stopwatch();
             sw.Start();
@@ -69,7 +69,7 @@ namespace QuestPDF.ReportSample
         [Benchmark]
         public void GenerationTest()
         {
-            DocumentGenerator.RenderPass(PageContext, new FreeCanvas(), Content, null);
+            DocumentGenerator.RenderPass(PageContext, new FreeCanvas(), Content);
         }
     }
 }

QuestPDF.ReportSample/QuestPDF.ReportSample.csproj

@@ -9,10 +9,10 @@
 
     <ItemGroup>
         <PackageReference Include="BenchmarkDotNet" Version="0.13.1" />
-        <PackageReference Include="nunit" Version="3.13.2" />
-        <PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
-        <PackageReference Include="SkiaSharp" Version="2.80.4" />
+        <PackageReference Include="nunit" Version="3.13.3" />
+        <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
+        <PackageReference Include="SkiaSharp" Version="2.88.3" />
     </ItemGroup>
 
     <ItemGroup>

QuestPDF.ReportSample/Tests.cs

@@ -6,6 +6,7 @@ using NUnit.Framework;
 using QuestPDF.Drawing;
 using QuestPDF.Fluent;
 using QuestPDF.Infrastructure;
+using QuestPDF.Previewer;
 using QuestPDF.ReportSample.Layouts;
 
 namespace QuestPDF.ReportSample
@@ -24,11 +25,13 @@ namespace QuestPDF.ReportSample
         [Test] 
         public void GenerateAndShowPdf()
         {
+            Report.ShowInPreviewer();
+            
             //ImagePlaceholder.Solid = true;
-        
-            var path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"test_result.pdf");
-            Report.GeneratePdf(path);
-            Process.Start("explorer.exe", path);
+            //
+            // var path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"test_result.pdf");
+            // Report.GeneratePdf(path);
+            // Process.Start("explorer.exe", path);
         }
         
         [Test] 
@@ -50,8 +53,8 @@ namespace QuestPDF.ReportSample
             
             var pageContext = new PageContext();
 
-            DocumentGenerator.RenderPass(pageContext, new FreeCanvas(), content, null);
-            DocumentGenerator.RenderPass(pageContext, new FreeCanvas(), content, null);
+            DocumentGenerator.RenderPass(pageContext, new FreeCanvas(), content);
+            DocumentGenerator.RenderPass(pageContext, new FreeCanvas(), content);
         }
     }
 }

QuestPDF.UnitTests/AspectRatioTests.cs

@@ -153,7 +153,9 @@ namespace QuestPDF.UnitTests
                     Ratio = 2f
                 })
                 .DrawElement(new Size(500, 200))
+                .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw(new Size(400, 200))
+                .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult();
         }
         
@@ -168,7 +170,45 @@ 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/BoxTests.cs

@@ -35,7 +35,9 @@ namespace QuestPDF.UnitTests
                 })
                 .MeasureElement(new Size(400, 300))
                 .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: SpacePlan.PartialRender(200, 100))
+                .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw(new Size(200, 100))
+                .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult();
         }
         
@@ -49,7 +51,43 @@ namespace QuestPDF.UnitTests
                 })
                 .MeasureElement(new Size(500, 400))
                 .ExpectChildMeasure(expectedInput: new Size(500, 400), returns: SpacePlan.FullRender(300, 200))
+                .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw(new Size(300, 200))
+                .ExpectCanvasTranslate(0, 0)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Measure_PartialRender_RightToLeft()
+        {
+            TestPlan
+                .For(x => new MinimalBox
+                {
+                    Child = x.CreateChild(),
+                    ContentDirection = ContentDirection.RightToLeft
+                })
+                .MeasureElement(new Size(400, 300))
+                .ExpectChildMeasure(expectedInput: new Size(400, 300), returns: SpacePlan.PartialRender(200, 100))
+                .ExpectCanvasTranslate(200, 0)
+                .ExpectChildDraw(new Size(200, 100))
+                .ExpectCanvasTranslate(-200, 0)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Measure_FullRender_RightToLeft()
+        {
+            TestPlan
+                .For(x => new MinimalBox
+                {
+                    Child = x.CreateChild(),
+                    ContentDirection = ContentDirection.RightToLeft
+                })
+                .MeasureElement(new Size(500, 400))
+                .ExpectChildMeasure(expectedInput: new Size(500, 400), returns: SpacePlan.FullRender(350, 200))
+                .ExpectCanvasTranslate(150, 0)
+                .ExpectChildDraw(new Size(350, 200))
+                .ExpectCanvasTranslate(-150, 0)
                 .CheckDrawResult();
         }
     }

QuestPDF.UnitTests/PreviewerTests.cs

@@ -0,0 +1,54 @@
+
+
+using System;
+using NUnit.Framework;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using QuestPDF.Previewer;
+
+namespace QuestPDF.UnitTests
+{
+    public class PreviewerTests
+    {
+        [Test]
+        public void SendError()
+        {
+            Document
+                .Create(container =>
+                {
+                    container.Page(page =>
+                    {
+                        page.Size(PageSizes.A4);
+                        page.Margin(2, Unit.Centimetre);
+                        page.PageColor(Colors.White);
+                        page.DefaultTextStyle(x => x.FontSize(20));
+                        
+                        page.Header()
+                            .Text("Hello PDF!")
+                            .SemiBold().FontSize(36).FontColor(Colors.Blue.Medium);
+                        
+                        page.Content()
+                            .PaddingVertical(1, Unit.Centimetre)
+                            .Column(x =>
+                            {
+                                x.Spacing(20);
+                                
+                                x.Item().Text(Placeholders.LoremIpsum());
+                                x.Item().Image(Placeholders.Image(200, 100));
+                            });
+                        
+                        page.Footer()
+                            .AlignCenter()
+                            .Text(x =>
+                            {
+                                //throw new Exception("Dupa!");
+                                x.Span("Page ");
+                                x.CurrentPageNumber();
+                            });
+                    });
+                })
+                .ShowInPreviewer();
+        }
+    }
+}

QuestPDF.UnitTests/QuestPDF.UnitTests.csproj

@@ -1,16 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <TargetFramework>net6.0</TargetFramework>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="FluentAssertions" Version="6.7.0" />
-        <PackageReference Include="nunit" Version="3.13.2" />
-        <PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.0" />
-        <PackageReference Include="SkiaSharp" Version="2.80.4" />
+        <PackageReference Include="FluentAssertions" Version="6.8.0" />
+        <PackageReference Include="nunit" Version="3.13.3" />
+        <PackageReference Include="NUnit3TestAdapter" Version="4.3.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
+        <PackageReference Include="SkiaSharp" Version="2.88.3" />
     </ItemGroup>
 
     <ItemGroup>

QuestPDF.UnitTests/TestEngine/TestPlan.cs

@@ -195,7 +195,7 @@ namespace QuestPDF.UnitTests.TestEngine
         
         public TestPlan CheckMeasureResult(SpacePlan expected)
         {
-            Element.VisitChildren(x => x?.Initialize(null, Canvas));
+            Element.InjectDependencies(null, Canvas);
             
             var actual = Element.Measure(OperationInput);
             
@@ -210,7 +210,7 @@ namespace QuestPDF.UnitTests.TestEngine
         
         public TestPlan CheckDrawResult()
         {
-            Element.VisitChildren(x => x?.Initialize(null, Canvas));
+            Element.InjectDependencies(null, Canvas);
             Element.Draw(OperationInput);
             return this;
         }
@@ -253,10 +253,10 @@ namespace QuestPDF.UnitTests.TestEngine
             availableSpace ??= new Size(400, 300);
             
             var canvas = new FreeCanvas();
-            value.VisitChildren(x => x.Initialize(null, canvas));
+            value.InjectDependencies(null, canvas);
             var valueMeasure = value.Measure(availableSpace.Value);
             
-            expected.VisitChildren(x => x.Initialize(null, canvas));
+            expected.InjectDependencies(null, canvas);
             var expectedMeasure = expected.Measure(availableSpace.Value);
             
             valueMeasure.Should().BeEquivalentTo(expectedMeasure);
@@ -267,11 +267,11 @@ namespace QuestPDF.UnitTests.TestEngine
             availableSpace ??= new Size(400, 300);
             
             var valueCanvas = new OperationRecordingCanvas();
-            value.VisitChildren(x => x.Initialize(null, valueCanvas));
+            value.InjectDependencies(null, valueCanvas);
             value.Draw(availableSpace.Value);
             
             var expectedCanvas = new OperationRecordingCanvas();
-            expected.VisitChildren(x => x.Initialize(null, expectedCanvas));
+            expected.InjectDependencies(null, expectedCanvas);
             expected.Draw(availableSpace.Value);
             
             valueCanvas.Operations.Should().BeEquivalentTo(expectedCanvas.Operations);

QuestPDF.UnitTests/UnconstrainedTests.cs

@@ -77,7 +77,9 @@ namespace QuestPDF.UnitTests
                 })
                 .DrawElement(new Size(900, 800))
                 .ExpectChildMeasure(Size.Max, SpacePlan.PartialRender(1200, 1600))
+                .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw(new Size(1200, 1600))
+                .ExpectCanvasTranslate(0, 0)
                 .CheckDrawResult();
         }
         
@@ -91,7 +93,43 @@ namespace QuestPDF.UnitTests
                 })
                 .DrawElement(new Size(900, 800))
                 .ExpectChildMeasure(Size.Max, SpacePlan.FullRender(1600, 1000))
+                .ExpectCanvasTranslate(0, 0)
                 .ExpectChildDraw(new Size(1600, 1000))
+                .ExpectCanvasTranslate(0, 0)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_WhenChildPartiallyRenders_RightToLeft()
+        {
+            TestPlan
+                .For(x => new Unconstrained
+                {
+                    Child = x.CreateChild(),
+                    ContentDirection = ContentDirection.RightToLeft
+                })
+                .DrawElement(new Size(900, 800))
+                .ExpectChildMeasure(Size.Max, SpacePlan.PartialRender(1200, 1600))
+                .ExpectCanvasTranslate(-1200, 0)
+                .ExpectChildDraw(new Size(1200, 1600))
+                .ExpectCanvasTranslate(1200, 0)
+                .CheckDrawResult();
+        }
+        
+        [Test]
+        public void Draw_WhenChildFullyRenders_RightToLeft()
+        {
+            TestPlan
+                .For(x => new Unconstrained
+                {
+                    Child = x.CreateChild(),
+                    ContentDirection = ContentDirection.RightToLeft
+                })
+                .DrawElement(new Size(900, 800))
+                .ExpectChildMeasure(Size.Max, SpacePlan.FullRender(1600, 1000))
+                .ExpectCanvasTranslate(-1600, 0)
+                .ExpectChildDraw(new Size(1600, 1000))
+                .ExpectCanvasTranslate(1600, 0)
                 .CheckDrawResult();
         }
         

QuestPDF.sln

@@ -8,14 +8,12 @@ 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}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SimpleApp", "SimpleApp\SimpleApp.csproj", "{B361D452-80A8-493A-BEA6-AB268E99153E}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,13 +37,9 @@ 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
+		{B361D452-80A8-493A-BEA6-AB268E99153E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B361D452-80A8-493A-BEA6-AB268E99153E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B361D452-80A8-493A-BEA6-AB268E99153E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B361D452-80A8-493A-BEA6-AB268E99153E}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

QuestPDF/Drawing/DocumentContainer.cs

@@ -16,13 +16,14 @@ namespace QuestPDF.Drawing
             var container = new Container();
             
             container
+                .DebugPointer("Document")
                 .Column(column =>
                 {
                     Pages
                         .SelectMany(x => new List<Action>()
                         {
                             () => column.Item().PageBreak(),
-                            () => column.Item().Component(x)
+                            () => column.Item().DebugPointer("Page").Component(x)
                         })
                         .Skip(1)
                         .ToList()

QuestPDF/Drawing/DocumentGenerator.cs

@@ -10,6 +10,7 @@ using QuestPDF.Elements.Text.Items;
 using QuestPDF.Fluent;
 using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
+using QuestPDF.Previewer.Inspection;
 
 namespace QuestPDF.Drawing
 {
@@ -51,39 +52,49 @@ namespace QuestPDF.Drawing
             return canvas.Images;
         }
 
-        internal static ICollection<PreviewerPicture> GeneratePreviewerPictures(IDocument document)
+        internal static DocumentPreviewResult GeneratePreviewerPictures(IDocument document)
         {
             var canvas = new SkiaPictureCanvas();
-            RenderDocument(canvas, document);
-            return canvas.Pictures;
+            InspectionElement documentHierarchy = null;
+            
+            RenderDocument(canvas, document, true, x => documentHierarchy = x);
+            
+            return new DocumentPreviewResult
+            {
+                PageSnapshots = canvas.Pictures.ToList(),
+                DocumentHierarchy = documentHierarchy
+            };
         }
         
-        internal static void RenderDocument<TCanvas>(TCanvas canvas, IDocument document)
+        internal static void RenderDocument<TCanvas>(TCanvas canvas, IDocument document, bool applyInspection = false, Action<InspectionElement> inspectionResultHandler = null)
             where TCanvas : ICanvas, IRenderingCanvas
         {
             var container = new DocumentContainer();
             document.Compose(container);
             var content = container.Compose();
             ApplyDefaultTextStyle(content, TextStyle.LibraryDefault);
-            ApplyContentRepeatState(content, false);
-
-            var debuggingState = Settings.EnableDebugging ? ApplyDebugging(content) : null;
+            ApplyContentDirection(content, ContentDirection.LeftToRight);
             
             if (Settings.EnableCaching)
                 ApplyCaching(content);
 
-            var pageContext = new PageContext(); 
-            RenderPass(pageContext, new FreeCanvas(), content, debuggingState);
-            RenderPass(pageContext, canvas, content, debuggingState);
+            var pageContext = new PageContext();
+            RenderPass(pageContext, new FreeCanvas(), content);
+            
+            if (applyInspection)
+                ApplyInspection(content);
+            
+            RenderPass(pageContext, canvas, content);
+
+            if (applyInspection)
+                inspectionResultHandler(content.ExtractDocumentHierarchy());
         }
         
-        internal static void RenderPass<TCanvas>(PageContext pageContext, TCanvas canvas, Container content, DebuggingState? debuggingState)
+        internal static void RenderPass<TCanvas>(PageContext pageContext, TCanvas canvas, Container content)
             where TCanvas : ICanvas, IRenderingCanvas
         {
-            content.VisitChildren(x => x?.Initialize(pageContext, canvas));
+            InjectDependencies(content, pageContext, canvas);
             content.VisitChildren(x => (x as IStateResettable)?.ResetState());
-
-            ResetIsRenderedState(content);
             
             canvas.BeginDocument();
 
@@ -92,7 +103,6 @@ namespace QuestPDF.Drawing
             while(true)
             {
                 pageContext.SetPageNumber(currentPage);
-                debuggingState?.Reset();
                 
                 var spacePlan = content.Measure(Size.Max);
 
@@ -137,12 +147,29 @@ namespace QuestPDF.Drawing
                               $"2) The layout configuration of your document is invalid. Some of the elements require more space than is provided." +
                               $"Please analyze your documents structure to detect this element and fix its size constraints.";
 
-                var elementTrace = debuggingState?.BuildTrace() ?? "Debug trace is available only in the DEBUG mode.";
+                content.RemoveExistingProxies();
+                content.RemoveExistingContainers();
+                content.ApplyLayoutDebugging();
+                content.Measure(Size.Max);
+                
+                var layoutTrace = content.CollectLayoutErrorTrace();
 
-                throw new DocumentLayoutException(message, elementTrace);
+                throw new DocumentLayoutException(message, layoutTrace);
             }
         }
 
+        internal static void InjectDependencies(this Element content, IPageContext pageContext, ICanvas canvas)
+        {
+            content.VisitChildren(x =>
+            {
+                if (x == null)
+                    return;
+                
+                x.PageContext = pageContext;
+                x.Canvas = canvas;
+            });
+        }
+
         private static void ApplyCaching(Container content)
         {
             content.VisitChildren(x =>
@@ -152,60 +179,30 @@ namespace QuestPDF.Drawing
             });
         }
 
-        private static DebuggingState ApplyDebugging(Container content)
+        private static void ApplyInspection(Container content)
         {
-            var debuggingState = new DebuggingState();
-
             content.VisitChildren(x =>
             {
-                x.CreateProxy(y => new DebuggingProxy(debuggingState, y));
+                x.CreateProxy(y => y is ElementProxy or Container ? y : new InspectionProxy(y));
             });
-
-            return debuggingState;
         }
         
-        private static void ApplyContentRepeatState(Element? content, bool repeatContent)
+        internal static void ApplyContentDirection(this Element? content, ContentDirection direction)
         {
             if (content == null)
                 return;
-            
-            if (content is IVisual visual)
-                visual.RepeatContent = repeatContent;
-            
-            if (content is TextBlock textBlock)
+
+            if (content is ContentDirectionSetter contentDirectionSetter)
             {
-                foreach (var textBlockItem in textBlock.Items)
-                {
-                    if (textBlockItem is TextBlockElement textElement)
-                    {
-                        ApplyContentRepeatState(textElement.Element, true);
-                    }
-                }
-                
+                ApplyContentDirection(contentDirectionSetter.Child, contentDirectionSetter.ContentDirection);
                 return;
             }
 
-            // TODO: apply RepeatState in dynamic content
-            //if (content is DynamicHost dynamicHost)
-            //  dynamicHost.TextStyle = dynamicHost.TextStyle.ApplyGlobalStyle(documentDefaultTextStyle);
-
-            if (content is RepeatContentSetter repeatContentSetter)
-                repeatContent = repeatContentSetter.RepeatContent;
+            if (content is IContentDirectionAware contentDirectionAware)
+                contentDirectionAware.ContentDirection = direction;
             
             foreach (var child in content.GetChildren())
-                ApplyContentRepeatState(child, repeatContent);
-        }
-        
-        private static void ResetIsRenderedState(Element? content)
-        {
-            if (content == null)
-                return;
-            
-            if (content is IVisual visual)
-                visual.IsRendered = false;
-
-            foreach (var child in content.GetChildren())
-                ResetIsRenderedState(child);
+                ApplyContentDirection(child, direction);
         }
 
         internal static void ApplyDefaultTextStyle(this Element? content, TextStyle documentDefaultTextStyle)

QuestPDF/Drawing/DocumentMetadata.cs

@@ -33,7 +33,7 @@ namespace QuestPDF.Drawing
             set => Settings.EnableCaching = value;
         }
         
-        [Obsolete("This API has been moved since version 2022.9. Please use the QuestPDF.Settings.EnableDebugging static property.")]
+        [Obsolete("The new implementation for debugging layout issues does not introduce additional performance overhead. Therefore, this setting is no longer used since the 2023.1 release. Please remove this setter from your code.")]
         public bool ApplyDebugging
         {
             get => Settings.EnableDebugging;

QuestPDF/Drawing/Exceptions/DocumentLayoutException.cs

@@ -1,12 +1,13 @@
 using System;
+using QuestPDF.Previewer;
 
 namespace QuestPDF.Drawing.Exceptions
 {
     public class DocumentLayoutException : Exception
     {
-        public string? ElementTrace { get; }
+        internal LayoutErrorTrace? ElementTrace { get; }
 
-        internal DocumentLayoutException(string message, string? elementTrace = null) : base(message)
+        internal DocumentLayoutException(string message, LayoutErrorTrace? elementTrace = null) : base(message)
         {
             ElementTrace = elementTrace;
         }

QuestPDF/Drawing/Proxy/CacheProxy.cs

@@ -37,7 +37,7 @@ namespace QuestPDF.Drawing.Proxy
             base.Draw(availableSpace);
         }
 
-        private bool IsClose(float x, float y)
+        private static bool IsClose(float x, float y)
         {
             return Math.Abs(x - y) < Size.Epsilon;
         }

QuestPDF/Drawing/Proxy/DebugStackItem.cs

@@ -1,14 +0,0 @@
-using System.Collections.Generic;
-using QuestPDF.Infrastructure;
-
-namespace QuestPDF.Drawing.Proxy
-{
-    public class DebugStackItem
-    {
-        public IElement Element { get; internal set; }
-        public Size AvailableSpace { get; internal set; }
-        public SpacePlan SpacePlan { get; internal set; }
-
-        public ICollection<DebugStackItem> Stack { get; internal set; } = new List<DebugStackItem>();
-    }
-}

QuestPDF/Drawing/Proxy/DebuggingProxy.cs

@@ -1,24 +1,34 @@
-using QuestPDF.Infrastructure;
+using System.Collections.Generic;
+using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Drawing.Proxy
 {
     internal class DebuggingProxy : ElementProxy
     {
-        private DebuggingState DebuggingState { get; }
+        internal List<MeasureDetails> Measurements { get; } = new();
 
-        public DebuggingProxy(DebuggingState debuggingState, Element child)
+        public DebuggingProxy(Element child)
         {
-            DebuggingState = debuggingState;
             Child = child;
         }
         
         internal override SpacePlan Measure(Size availableSpace)
         {
-            DebuggingState.RegisterMeasure(Child, availableSpace);
-            var spacePlan = base.Measure(availableSpace);
-            DebuggingState.RegisterMeasureResult(Child, spacePlan);
-
+            var spacePlan = Child.Measure(availableSpace);
+            Measurements.Add(new MeasureDetails(availableSpace, spacePlan));
             return spacePlan;
         }
     }
+
+    internal struct MeasureDetails
+    {
+        public Size AvailableSpace { get; }
+        public SpacePlan SpacePlan { get;}
+
+        public MeasureDetails(Size availableSpace, SpacePlan spacePlan)
+        {
+            AvailableSpace = availableSpace;
+            SpacePlan = spacePlan;
+        }
+    }
 }

QuestPDF/Drawing/Proxy/DebuggingState.cs

@@ -1,130 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using QuestPDF.Elements;
-using QuestPDF.Helpers;
-using QuestPDF.Infrastructure;
-
-namespace QuestPDF.Drawing.Proxy
-{
-    internal class DebuggingState
-    {
-        private DebugStackItem Root { get; set; }
-        private Stack<DebugStackItem> Stack { get; set; }
-
-        public DebuggingState()
-        {
-            Reset();
-        }
-        
-        public void Reset()
-        {
-            Root = null;
-            Stack = new Stack<DebugStackItem>();
-        }
-        
-        public void RegisterMeasure(IElement element, Size availableSpace)
-        {
-            if (element.GetType() == typeof(Container))
-                return;
-            
-            var item = new DebugStackItem
-            {
-                Element = element,
-                AvailableSpace = availableSpace
-            };
-
-            Root ??= item;
-            
-            if (Stack.Any())
-                Stack.Peek().Stack.Add(item);
-
-            Stack.Push(item);
-        }
-
-        public void RegisterMeasureResult(IElement element, SpacePlan spacePlan)
-        {
-            if (element.GetType() == typeof(Container))
-                return;
-            
-            var item = Stack.Pop();
-
-            if (item.Element != element)
-                throw new Exception();
-            
-            item.SpacePlan = spacePlan;
-        }
-        
-        public string BuildTrace()
-        {
-            var builder = new StringBuilder();
-            var nestingLevel = 0;
-
-            Traverse(Root);
-            return builder.ToString();
-
-            void Traverse(DebugStackItem item)
-            {
-                var indent = new string(' ', nestingLevel * 4);
-                var title = item.Element.GetType().Name;
-
-                if (item.Element is DebugPointer debugPointer)
-                {
-                    title = debugPointer.Target;
-                    title += debugPointer.Highlight ? " 🌟" : string.Empty;
-                }
-                
-                if (item.SpacePlan.Type != SpacePlanType.FullRender)
-                    title = "🔥 " + title;
-
-                builder.AppendLine(indent + title);
-                builder.AppendLine(indent + new string('-', title.Length));
-                
-                builder.AppendLine(indent + "Available space: " + item.AvailableSpace);
-                builder.AppendLine(indent + "Requested space: " + item.SpacePlan);
-                
-                foreach (var configuration in GetElementConfiguration(item.Element))
-                    builder.AppendLine(indent + configuration);
-
-                builder.AppendLine();
-                
-                nestingLevel++;
-                item.Stack.ToList().ForEach(Traverse);
-                nestingLevel--;
-            }
-
-            static IEnumerable<string> GetElementConfiguration(IElement element)
-            {
-                if (element is DebugPointer)
-                    return Enumerable.Empty<string>();
-                
-                return element
-                    .GetType()
-                    .GetProperties()
-                    .Select(x => new
-                    {
-                        Property = x.Name.PrettifyName(),
-                        Value = x.GetValue(element)
-                    })
-                    .Where(x => !(x.Value is IElement))
-                    .Where(x => x.Value is string || !(x.Value is IEnumerable))
-                    .Where(x => !(x.Value is TextStyle))
-                    .Select(x => $"{x.Property}: {FormatValue(x.Value)}");
-
-                string FormatValue(object value)
-                {
-                    const int maxLength = 100;
-                    
-                    var text = value?.ToString() ?? "-";
-
-                    if (text.Length < maxLength)
-                        return text;
-
-                    return text.AsSpan(0, maxLength).ToString() + "...";
-                }
-            }
-        }
-    }
-}

QuestPDF/Drawing/Proxy/Helpers.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using QuestPDF.Previewer;
+
+namespace QuestPDF.Drawing.Proxy;
+
+internal static class Helpers
+{
+    public static IReadOnlyCollection<DocumentElementProperty> GetElementConfiguration(this IElement element)
+    {
+        return element
+            .GetType()
+            .GetProperties()
+            .Select(x => new
+            {
+                Property = x.Name.PrettifyName(),
+                Value = x.GetValue(element)
+            })
+            .Where(x => !(x.Value is IElement))
+            .Where(x => x.Value is string || !(x.Value is IEnumerable))
+            .Where(x => !(x.Value is TextStyle))
+            .Select(x => new DocumentElementProperty
+            {
+                Label = x.Property,
+                Value = FormatValue(x.Value)
+            })
+            .ToList();
+
+        string FormatValue(object value)
+        {
+            const int maxLength = 100;
+                
+            var text = value?.ToString() ?? "-";
+
+            if (text.Length < maxLength)
+                return text;
+
+            return text.AsSpan(0, maxLength).ToString() + "...";
+        }
+    }
+}

QuestPDF/Drawing/Proxy/InspectionProxy.cs

@@ -0,0 +1,36 @@
+using System.Collections;
+using System.Collections.Generic;
+using QuestPDF.Infrastructure;
+using QuestPDF.Previewer.Inspection;
+
+namespace QuestPDF.Drawing.Proxy
+{
+    internal class InspectionProxy : ElementProxy
+    {
+        public Dictionary<int, InspectionStateItem> Statistics { get; set; } = new();
+
+        public InspectionProxy(Element child)
+        {
+            Child = child;
+        }
+
+        internal override void Draw(Size availableSpace)
+        {
+            if (Canvas is SkiaCanvasBase canvas)
+            {
+                var matrix = canvas.Canvas.TotalMatrix;
+
+                var inspectionItem = new InspectionStateItem
+                {
+                    Element = Child,
+                    Position = new Position(matrix.TransX, matrix.TransY),
+                    Size = availableSpace
+                };
+
+                Statistics[PageContext.CurrentPage] = inspectionItem;
+            }
+            
+            base.Draw(availableSpace);
+        }
+    }
+}

QuestPDF/Drawing/Proxy/LayoutErrorAnalyzer.cs

@@ -0,0 +1,74 @@
+using System.Linq;
+using QuestPDF.Elements;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using QuestPDF.Previewer;
+
+namespace QuestPDF.Drawing.Proxy
+{
+    internal static class LayoutErrorAnalyzer
+    {
+        public static void ApplyLayoutDebugging(this Container content)
+        {
+            content.VisitChildren(x =>
+            {
+                x.CreateProxy(y => y is ElementProxy ? y : new DebuggingProxy(y));
+            });
+        }
+        
+        public static void RemoveExistingProxies(this Container content)
+        {
+            content.VisitChildren(x =>
+            {
+                x.CreateProxy(y => y is ElementProxy proxy ? proxy.Child : y);
+            });
+        }
+        
+        public static void RemoveExistingContainers(this Container content)
+        {
+            content.VisitChildren(x =>
+            {
+                x.CreateProxy(y => y is Container container ? container.Child : y);
+            });
+        }
+
+        public static LayoutErrorTrace CollectLayoutErrorTrace(this Container content)
+        {
+            var proxies = content.ExtractProxyOfType<DebuggingProxy>();
+            return Map(proxies);
+
+            LayoutErrorTrace Map(TreeNode<DebuggingProxy> proxy)
+            {
+                var element = proxy.Value.Child;
+                
+                return new LayoutErrorTrace
+                {
+                    ElementType = element.GetType().Name,
+                    IsSingleChildContainer = element is ContainerElement,
+                    ElementProperties = element.GetElementConfiguration().ToList(),
+                    
+                    Measurements = proxy
+                        .Value
+                        .Measurements
+                        .Select(x => new LayoutErrorMeasurement
+                        {
+                            AvailableSpace = new QuestPDF.Previewer.Size()
+                            {
+                                Width = x.AvailableSpace.Width,
+                                Height = x.AvailableSpace.Height
+                            },
+                            SpacePlan = new QuestPDF.Previewer.SpacePlan()
+                            {
+                                Width = x.SpacePlan.Width,
+                                Height = x.SpacePlan.Height,
+                                Type = x.SpacePlan.Type
+                            }
+                        })
+                        .ToList(),
+                    
+                    Children = proxy.Children.Select(Map).ToList()
+                };
+            }
+        }
+    }
+}

QuestPDF/Drawing/TextShaper.cs

@@ -29,6 +29,12 @@ namespace QuestPDF.Drawing
             PopulateBufferWithText(buffer, text);
             buffer.GuessSegmentProperties();
 
+            if (TextStyle.Direction == TextDirection.LeftToRight)
+                buffer.Direction = Direction.LeftToRight;
+            
+            if (TextStyle.Direction == TextDirection.RightToLeft)
+                buffer.Direction = Direction.RightToLeft;
+            
             ShaperFont.Shape(buffer);
             
             var length = buffer.Length;
@@ -56,7 +62,7 @@ namespace QuestPDF.Drawing
                 yOffset += glyphPositions[i].YAdvance * scaleY;
             }
             
-            return new TextShapingResult(glyphs);
+            return new TextShapingResult(buffer.Direction, glyphs);
         }
         
         void PopulateBufferWithText(Buffer buffer, string text)
@@ -92,29 +98,65 @@ namespace QuestPDF.Drawing
     
     internal class TextShapingResult
     {
-        public ShapedGlyph[] Glyphs { get; }
+        private Direction Direction { get; }
+        private ShapedGlyph[] Glyphs { get; }
 
-        public TextShapingResult(ShapedGlyph[] glyphs)
+        public int Length => Glyphs.Length;
+        
+        public ShapedGlyph this[int index] =>
+            Direction == Direction.LeftToRight 
+                ? Glyphs[index] 
+                : Glyphs[Glyphs.Length - 1 - index];
+
+        public TextShapingResult(Direction direction, ShapedGlyph[] glyphs)
         {
+            Direction = direction;
             Glyphs = glyphs;
         }
 
         public int BreakText(int startIndex, float maxWidth)
         {
-            var index = startIndex;
-            maxWidth += Glyphs[startIndex].Position.X;
-
-            while (index < Glyphs.Length)
+            return Direction switch
             {
-                var glyph = Glyphs[index];
-                
-                if (glyph.Position.X + glyph.Width > maxWidth + Size.Epsilon)
-                    break;
-                
-                index++;
-            }
+                Direction.LeftToRight => BreakTextLeftToRight(),
+                Direction.RightToLeft => BreakTextRightToLeft(),
+                _ => throw new ArgumentOutOfRangeException()
+            };
 
-            return index - 1;
+            int BreakTextLeftToRight()
+            {
+                var index = startIndex;
+                maxWidth += Glyphs[startIndex].Position.X;
+
+                while (index < Glyphs.Length)
+                {
+                    var glyph = Glyphs[index];
+                
+                    if (glyph.Position.X + glyph.Width > maxWidth + Size.Epsilon)
+                        break;
+                
+                    index++;
+                }
+
+                return index - 1;
+            }
+            
+            int BreakTextRightToLeft()
+            {
+                var index = startIndex;
+
+                var startOffset = this[startIndex].Position.X + this[startIndex].Width;
+
+                while (index < Glyphs.Length)
+                {
+                    if (startOffset - this[index].Position.X > maxWidth + Size.Epsilon)
+                        break;
+                
+                    index++;
+                }
+
+                return index - 1;
+            }
         }
         
         public float MeasureWidth(int startIndex, int endIndex)
@@ -122,10 +164,15 @@ namespace QuestPDF.Drawing
             if (Glyphs.Length == 0)
                 return 0;
             
-            var start = Glyphs[startIndex];
-            var end = Glyphs[endIndex];
+            var start = this[startIndex];
+            var end = this[endIndex];
 
-            return end.Position.X - start.Position.X + end.Width;
+            return Direction switch
+            {
+                Direction.LeftToRight => end.Position.X - start.Position.X + end.Width,
+                Direction.RightToLeft => start.Position.X - end.Position.X + start.Width,
+                _ => throw new NotSupportedException()
+            };
         }
         
         public DrawTextCommand? PositionText(int startIndex, int endIndex, TextStyle textStyle)
@@ -146,14 +193,18 @@ namespace QuestPDF.Drawing
             {
                 var runIndex = sourceIndex - startIndex;
                 
-                glyphSpan[runIndex] = Glyphs[sourceIndex].Codepoint;
-                positionSpan[runIndex] = Glyphs[sourceIndex].Position;
+                glyphSpan[runIndex] = this[sourceIndex].Codepoint;
+                positionSpan[runIndex] = this[sourceIndex].Position;
             }
+
+            var firstVisualCharacterIndex = Direction == Direction.LeftToRight
+                ? startIndex
+                : endIndex;
             
             return new DrawTextCommand
             {
                 SkTextBlob = skTextBlobBuilder.Build(),
-                TextOffsetX = -Glyphs[startIndex].Position.X
+                TextOffsetX = -this[firstVisualCharacterIndex].Position.X
             };
         }
     }

QuestPDF/Elements/AspectRatio.cs

@@ -4,8 +4,10 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class AspectRatio : ContainerElement, ICacheable
+    internal class AspectRatio : ContainerElement, ICacheable, IContentDirectionAware
     {
+        public ContentDirection ContentDirection { get; set; }
+        
         public float Ratio { get; set; } = 1;
         public AspectRatioOption Option { get; set; } = AspectRatioOption.FitWidth;
         
@@ -42,7 +44,14 @@ namespace QuestPDF.Elements
                 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());
         }
         
         private Size GetTargetSize(Size availableSpace)

QuestPDF/Elements/Canvas.cs

@@ -7,28 +7,19 @@ namespace QuestPDF.Elements
 {
     public delegate void DrawOnCanvas(SKCanvas canvas, Size availableSpace);
     
-    internal class Canvas : Element, IVisual, ICacheable
+    internal class Canvas : Element, ICacheable
     {
-        public bool IsRendered { get; set; }
-        public bool RepeatContent { get; set; }
-        
         public DrawOnCanvas Handler { get; set; }
         
         internal override SpacePlan Measure(Size availableSpace)
         {
-            if (availableSpace.IsNegative())
-                return SpacePlan.Wrap();
-            
-            if (IsRendered && !RepeatContent)
-                return SpacePlan.FullRender(Size.Zero);
-            
-            return SpacePlan.FullRender(availableSpace);
+            return availableSpace.IsNegative() 
+                ? SpacePlan.Wrap() 
+                : SpacePlan.FullRender(availableSpace);
         }
 
         internal override void Draw(Size availableSpace)
         {
-            IsRendered = true;
-            
             var skiaCanvas = (Canvas as Drawing.SkiaCanvasBase)?.Canvas;
             
             if (Handler == null || skiaCanvas == null)

QuestPDF/Elements/Column.cs

@@ -6,7 +6,7 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class ColumnItem : Container
+    internal class ColumnItem : ContainerElement
     {
         public bool IsRendered { get; set; }
     }
@@ -74,7 +74,7 @@ namespace QuestPDF.Elements
                     command.ColumnItem.IsRendered = true;
 
                 var targetSize = new Size(availableSpace.Width, command.Size.Height);
-                
+
                 Canvas.Translate(command.Offset);
                 command.ColumnItem.Draw(targetSize);
                 Canvas.Translate(command.Offset.Reverse());

QuestPDF/Elements/Constrained.cs

@@ -5,8 +5,10 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class Constrained : ContainerElement, ICacheable
+    internal class Constrained : ContainerElement, ICacheable, IContentDirectionAware
     {
+        public ContentDirection ContentDirection { get; set; }
+        
         public float? MinWidth { get; set; }
         public float? MaxWidth { get; set; }
 
@@ -45,11 +47,17 @@ namespace QuestPDF.Elements
         
         internal override void Draw(Size availableSpace)
         {
-            var available = new Size(
+            var size = new Size(
                 Min(MaxWidth, availableSpace.Width),
                 Min(MaxHeight, availableSpace.Height));
             
-            Child?.Draw(available);
+            var offset = ContentDirection == ContentDirection.LeftToRight
+                ? Position.Zero
+                : new Position(availableSpace.Width - size.Width, 0);
+            
+            Canvas.Translate(offset);
+            base.Draw(size);
+            Canvas.Translate(offset.Reverse());
         }
         
         private static float Min(float? x, float y)

QuestPDF/Elements/ContentDirectionSetter.cs

@@ -0,0 +1,9 @@
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Elements
+{
+    internal class ContentDirectionSetter : ContainerElement
+    {
+        public ContentDirection ContentDirection { get; set; }
+    }
+}

QuestPDF/Elements/DebugPointer.cs

@@ -1,8 +1,9 @@
 using System.ComponentModel;
+using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class DebugPointer : Container
+    internal class DebugPointer : ContainerElement
     {
         public string Target { get; set; }
         public bool Highlight { get; set; }

QuestPDF/Elements/Decoration.cs

@@ -14,8 +14,10 @@ namespace QuestPDF.Elements
         public Position Offset { get; set; }
     }
     
-    internal class Decoration : Element, ICacheable
+    internal class Decoration : Element, ICacheable, IContentDirectionAware
     {
+        public ContentDirection ContentDirection { get; set; }
+        
         internal Element Before { get; set; } = new Empty();
         internal Element Content { get; set; } = new Empty();
         internal Element After { get; set; } = new Empty();
@@ -64,9 +66,13 @@ namespace QuestPDF.Elements
             {
                 var elementSize = new Size(width, command.Measurement.Height);
                 
-                Canvas.Translate(command.Offset);
+                var offset = ContentDirection == ContentDirection.LeftToRight
+                    ? command.Offset
+                    : new Position(availableSpace.Width - width, command.Offset.Y);
+                
+                Canvas.Translate(offset);
                 command.Element.Draw(elementSize);
-                Canvas.Translate(command.Offset.Reverse());
+                Canvas.Translate(offset.Reverse());
             }
         }
 

QuestPDF/Elements/Dynamic.cs

@@ -6,13 +6,14 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class DynamicHost : Element, IStateResettable
+    internal class DynamicHost : Element, IStateResettable, IContentDirectionAware
     {
         private DynamicComponentProxy Child { get; }
         private object InitialComponentState { get; set; }
 
         internal TextStyle TextStyle { get; set; } = TextStyle.Default;
-
+        public ContentDirection ContentDirection { get; set; }
+        
         public DynamicHost(DynamicComponentProxy child)
         {
             Child = child;
@@ -51,12 +52,14 @@ namespace QuestPDF.Elements
             
             var context = new DynamicContext
             {
-                PageNumber = PageContext.CurrentPage,
-                TotalPages = PageContext.GetLocation(Infrastructure.PageContext.DocumentLocation).PageEnd,
                 PageContext = PageContext,
                 Canvas = Canvas,
-                TextStyle = TextStyle,
                 
+                TextStyle = TextStyle,
+                ContentDirection = ContentDirection,
+                
+                PageNumber = PageContext.CurrentPage,
+                TotalPages = PageContext.GetLocation(Infrastructure.PageContext.DocumentLocation).PageEnd,
                 AvailableSize = availableSize
             };
             
@@ -73,7 +76,9 @@ namespace QuestPDF.Elements
     {
         internal IPageContext PageContext { get; set; }
         internal ICanvas Canvas { get; set; }
+        
         internal TextStyle TextStyle { get; set; }
+        internal ContentDirection ContentDirection { get; set; }
     
         public int PageNumber { get; internal set; }
         public int TotalPages { get; internal set; }
@@ -85,7 +90,9 @@ namespace QuestPDF.Elements
             content(container);
             
             container.ApplyDefaultTextStyle(TextStyle);
-            container.VisitChildren(x => x?.Initialize(PageContext, Canvas));
+            container.ApplyContentDirection(ContentDirection);
+            
+            container.InjectDependencies(PageContext, Canvas);
             container.VisitChildren(x => (x as IStateResettable)?.ResetState());
 
             container.Size = container.Measure(Size.Max);

QuestPDF/Elements/DynamicImage.cs

@@ -6,31 +6,19 @@ using SkiaSharp;
 
 namespace QuestPDF.Elements
 {
-    internal class DynamicImage : Element, IVisual
+    internal class DynamicImage : Element
     {
-        public bool IsRendered { get; set; }
-        public bool RepeatContent { get; set; }
-        
         public Func<Size, byte[]>? Source { get; set; }
         
         internal override SpacePlan Measure(Size availableSpace)
         {
-            if (availableSpace.IsNegative())
-                return SpacePlan.Wrap();
-            
-            if (IsRendered && !RepeatContent)
-                return SpacePlan.FullRender(Size.Zero);
-            
-            return SpacePlan.FullRender(availableSpace);
+            return availableSpace.IsNegative() 
+                ? SpacePlan.Wrap() 
+                : SpacePlan.FullRender(availableSpace);
         }
 
         internal override void Draw(Size availableSpace)
         {
-            IsRendered = true;
-            
-            if (availableSpace.Width < Size.Epsilon || availableSpace.Height < Size.Epsilon)
-                return;
-            
             var imageData = Source?.Invoke(availableSpace);
             
             if (imageData == null)

QuestPDF/Elements/Image.cs

@@ -5,11 +5,8 @@ using SkiaSharp;
 
 namespace QuestPDF.Elements
 {
-    internal class Image : Element, IVisual, ICacheable
+    internal class Image : Element, ICacheable
     {
-        public bool IsRendered { get; set; }
-        public bool RepeatContent { get; set; }
-        
         public SKImage? InternalImage { get; set; }
 
         ~Image()
@@ -19,13 +16,9 @@ namespace QuestPDF.Elements
         
         internal override SpacePlan Measure(Size availableSpace)
         {
-            if (availableSpace.IsNegative())
-                return SpacePlan.Wrap();
-            
-            if (IsRendered && !RepeatContent)
-                return SpacePlan.FullRender(Size.Zero);
-            
-            return SpacePlan.FullRender(availableSpace);
+            return availableSpace.IsNegative() 
+                ? SpacePlan.Wrap() 
+                : SpacePlan.FullRender(availableSpace);
         }
 
         internal override void Draw(Size availableSpace)
@@ -33,7 +26,6 @@ namespace QuestPDF.Elements
             if (InternalImage == null)
                 return;
 
-            IsRendered = true;
             Canvas.DrawImage(InternalImage, Position.Zero, availableSpace);
         }
     }

QuestPDF/Elements/Inlined.cs

@@ -6,7 +6,7 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class InlinedElement : Container
+    internal class InlinedElement : ContainerElement
     {
 
     }
@@ -26,15 +26,17 @@ namespace QuestPDF.Elements
         public SpacePlan Size { get; set; }
     }
     
-    internal class Inlined : Element, IStateResettable
+    internal class Inlined : Element, IStateResettable, IContentDirectionAware
     {
+        public ContentDirection ContentDirection { get; set; }
+        
         public List<InlinedElement> Elements { get; internal set; } = new List<InlinedElement>();
         private Queue<InlinedElement> ChildrenQueue { get; set; }
 
         internal float VerticalSpacing { get; set; }
         internal float HorizontalSpacing { get; set; }
         
-        internal InlinedAlignment ElementsAlignment { get; set; }
+        internal InlinedAlignment? ElementsAlignment { get; set; }
         internal VerticalAlignment BaselineAlignment { get; set; }
         
         public void ResetState()
@@ -47,8 +49,15 @@ namespace QuestPDF.Elements
             return Elements;
         }
         
+        internal override void CreateProxy(Func<Element?, Element?> create)
+        {
+            Elements.ForEach(x => x.Child = create(x.Child));
+        }
+        
         internal override SpacePlan Measure(Size availableSpace)
         {
+            SetDefaultAlignment();   
+            
             if (!ChildrenQueue.Any())
                 return SpacePlan.FullRender(Size.Zero);
             
@@ -81,6 +90,8 @@ namespace QuestPDF.Elements
 
         internal override void Draw(Size availableSpace)
         {
+            SetDefaultAlignment();
+            
             var lines = Compose(availableSpace);
             var topOffset = 0f;
             
@@ -103,7 +114,6 @@ namespace QuestPDF.Elements
 
                 var elementOffset = ElementOffset();
                 var leftOffset = AlignOffset();
-                Canvas.Translate(new Position(leftOffset, 0));
                 
                 foreach (var measurement in lineMeasurements)
                 {
@@ -113,15 +123,16 @@ namespace QuestPDF.Elements
                     if (size.Height == 0)
                         size = new Size(size.Width, lineSize.Height);
                     
-                    Canvas.Translate(new Position(0, baselineOffset));
+                    var offset = ContentDirection == ContentDirection.LeftToRight
+                        ? new Position(leftOffset, baselineOffset)
+                        : new Position(availableSpace.Width - size.Width - leftOffset, baselineOffset);
+                    
+                    Canvas.Translate(offset);
                     measurement.Element.Draw(size);
-                    Canvas.Translate(new Position(0, -baselineOffset));
+                    Canvas.Translate(offset.Reverse());
 
                     leftOffset += size.Width + elementOffset;
-                    Canvas.Translate(new Position(size.Width + elementOffset, 0));
                 }
-                
-                Canvas.Translate(new Position(-leftOffset, 0));
 
                 float ElementOffset()
                 {
@@ -140,15 +151,15 @@ namespace QuestPDF.Elements
 
                 float AlignOffset()
                 {
-                    var difference = availableSpace.Width - lineSize.Width - (lineMeasurements.Count - 1) * HorizontalSpacing;
+                    var emptySpace = availableSpace.Width - lineSize.Width - (lineMeasurements.Count - 1) * HorizontalSpacing;
 
                     return ElementsAlignment switch
                     {
-                        InlinedAlignment.Left => 0,
+                        InlinedAlignment.Left => ContentDirection == ContentDirection.LeftToRight ? 0 : emptySpace,
                         InlinedAlignment.Justify => 0,
                         InlinedAlignment.SpaceAround => elementOffset,
-                        InlinedAlignment.Center => difference / 2,
-                        InlinedAlignment.Right => difference,
+                        InlinedAlignment.Center => emptySpace / 2,
+                        InlinedAlignment.Right => ContentDirection == ContentDirection.LeftToRight ? emptySpace : 0,
                         _ => 0
                     };
                 }
@@ -167,6 +178,16 @@ namespace QuestPDF.Elements
             }
         }
 
+        void SetDefaultAlignment()
+        {
+            if (ElementsAlignment.HasValue)
+                return;
+
+            ElementsAlignment = ContentDirection == ContentDirection.LeftToRight
+                ? InlinedAlignment.Left
+                : InlinedAlignment.Right;
+        }
+        
         Size GetLineSize(ICollection<InlinedMeasurement> measurements)
         {
             var width = measurements.Sum(x => x.Size.Width);

QuestPDF/Elements/Layers.cs

@@ -20,6 +20,11 @@ namespace QuestPDF.Elements
             return Children;
         }
         
+        internal override void CreateProxy(Func<Element?, Element?> create)
+        {
+            Children.ForEach(x => x.Child = create(x.Child));
+        }
+        
         internal override SpacePlan Measure(Size availableSpace)
         {
             return Children

QuestPDF/Elements/Line.cs

@@ -15,42 +15,34 @@ namespace QuestPDF.Elements
         Horizontal
     }
     
-    internal class Line : Element, ILine, IVisual, ICacheable
+    internal class Line : Element, ILine, ICacheable
     {
-        public bool IsRendered { get; set; }
-        public bool RepeatContent { get; set; }
-        
         public LineType Type { get; set; } = LineType.Vertical;
         public string Color { get; set; } = Colors.Black;
-        public float Thickness { get; set; } = 1;
+        public float Size { get; set; } = 1;
         
         internal override SpacePlan Measure(Size availableSpace)
         {
             if (availableSpace.IsNegative())
                 return SpacePlan.Wrap();
-
-            if (IsRendered && !RepeatContent)
-                return SpacePlan.FullRender(Size.Zero);
             
             return Type switch
             {
-                LineType.Vertical when availableSpace.Width + Infrastructure.Size.Epsilon >= Thickness => SpacePlan.FullRender(Thickness, 0),
-                LineType.Horizontal when availableSpace.Height + Infrastructure.Size.Epsilon >= Thickness => SpacePlan.FullRender(0, Thickness),
+                LineType.Vertical when availableSpace.Width + Infrastructure.Size.Epsilon >= Size => SpacePlan.FullRender(Size, 0),
+                LineType.Horizontal when availableSpace.Height + Infrastructure.Size.Epsilon >= Size => SpacePlan.FullRender(0, Size),
                 _ => SpacePlan.Wrap()
             };
         }
 
         internal override void Draw(Size availableSpace)
         {
-            IsRendered = true;
-            
             if (Type == LineType.Vertical)
             {
-                Canvas.DrawRectangle(new Position(-Thickness/2, 0), new Size(Thickness, availableSpace.Height), Color);
+                Canvas.DrawRectangle(new Position(-Size/2, 0), new Size(Size, availableSpace.Height), Color);
             }
             else if (Type == LineType.Horizontal)
             {
-                Canvas.DrawRectangle(new Position(0, -Thickness/2), new Size(availableSpace.Width, Thickness), Color);
+                Canvas.DrawRectangle(new Position(0, -Size/2), new Size(availableSpace.Width, Size), Color);
             }
         }
     }

QuestPDF/Elements/MinimalBox.cs

@@ -3,8 +3,10 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class MinimalBox : ContainerElement
+    internal class MinimalBox : ContainerElement, IContentDirectionAware
     {
+        public ContentDirection ContentDirection { get; set; }
+        
         internal override void Draw(Size availableSpace)
         {
             var targetSize = base.Measure(availableSpace);
@@ -12,7 +14,13 @@ namespace QuestPDF.Elements
             if (targetSize.Type == SpacePlanType.Wrap)
                 return;
             
+            var translate = ContentDirection == ContentDirection.RightToLeft
+                ? new Position(availableSpace.Width - targetSize.Width, 0)
+                : Position.Zero;
+            
+            Canvas.Translate(translate);
             base.Draw(targetSize);
+            Canvas.Translate(translate.Reverse());
         }
     }
 }

QuestPDF/Elements/Page.cs

@@ -8,7 +8,8 @@ namespace QuestPDF.Elements
 {
     internal class Page : IComponent
     {
-        public TextStyle DefaultTextStyle { get; set; } = new TextStyle();
+        public ContentDirection ContentDirection { get; set; }
+        public TextStyle DefaultTextStyle { get; set; } = TextStyle.Default;
         
         public Size MinSize { get; set; } = PageSizes.A4;
         public Size MaxSize { get; set; } = PageSizes.A4;
@@ -30,6 +31,7 @@ namespace QuestPDF.Elements
         public void Compose(IContainer container)
         {
             container
+                .ContentDirection(ContentDirection)
                 .Background(BackgroundColor)
                 .Layers(layers =>
                 {
@@ -40,6 +42,7 @@ namespace QuestPDF.Elements
                     
                     layers
                         .PrimaryLayer()
+                        .DebugPointer("Page primary layer")
                         .MinWidth(MinSize.Width)
                         .MinHeight(MinSize.Height)
                 
@@ -62,9 +65,9 @@ namespace QuestPDF.Elements
 
                             decoration
                                 .Content()
+                                .DebugPointer("Page content")
                                 .Element(x => IsClose(MinSize.Width, MaxSize.Width) ? x.ExtendHorizontal() : x)
                                 .Element(x => IsClose(MinSize.Height, MaxSize.Height) ? x.ExtendVertical() : x)
-                                .DebugPointer("Page content")
                                 .Element(Content);
 
                             decoration

QuestPDF/Elements/Placeholder.cs

@@ -25,6 +25,7 @@ namespace QuestPDF.Elements
                 {
                     if (string.IsNullOrWhiteSpace(Text))
                         x.MaxHeight(32).Image(ImageData, ImageScaling.FitArea);
+                    
                     else
                         x.Text(Text).FontSize(14);
                 });

QuestPDF/Elements/RepeatContentSetter.cs

@@ -1,9 +0,0 @@
-using QuestPDF.Infrastructure;
-
-namespace QuestPDF.Elements
-{
-    internal class RepeatContentSetter : ContainerElement
-    {
-        public bool RepeatContent { get; set; }
-    }
-}

QuestPDF/Elements/Row.cs

@@ -14,7 +14,7 @@ namespace QuestPDF.Elements
         Relative
     }
     
-    internal class RowItem : Container
+    internal class RowItem : ContainerElement
     {
         public bool IsRendered { get; set; }
         public float Width { get; set; }
@@ -31,8 +31,10 @@ namespace QuestPDF.Elements
         public Position Offset { get; set; }
     }
     
-    internal class Row : Element, ICacheable, IStateResettable
+    internal class Row : Element, ICacheable, IStateResettable, IContentDirectionAware
     {
+        public ContentDirection ContentDirection { get; set; }
+        
         internal List<RowItem> Items { get; } = new();
         internal float Spacing { get; set; }
 
@@ -91,9 +93,13 @@ namespace QuestPDF.Elements
                 if (command.Measurement.Type == SpacePlanType.Wrap)
                     continue;
 
-                Canvas.Translate(command.Offset);
+                var offset = ContentDirection == ContentDirection.LeftToRight
+                    ? command.Offset
+                    : new Position(availableSpace.Width - command.Offset.X - command.Size.Width, 0);
+                    
+                Canvas.Translate(offset);
                 command.RowItem.Draw(command.Size);
-                Canvas.Translate(command.Offset.Reverse());
+                Canvas.Translate(offset.Reverse());
             }
             
             if (Items.All(x => x.IsRendered))

QuestPDF/Elements/Table/Table.cs

@@ -9,12 +9,15 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements.Table
 {
-    internal class Table : Element, IStateResettable
+    internal class Table : Element, IStateResettable, IContentDirectionAware
     {
-        public List<TableColumnDefinition> Columns { get; set; } = new List<TableColumnDefinition>();
-        public List<TableCell> Cells { get; set; } = new List<TableCell>();
+        public ContentDirection ContentDirection { get; set; }
+        
+        public List<TableColumnDefinition> Columns { get; set; } = new();
+        public List<TableCell> Cells { get; set; } = new();
         public bool ExtendLastCellsToTableBottom { get; set; }
         
+        private bool CacheInitialized { get; set; }
         private int StartingRowsCount { get; set; }
         private int RowsCount { get; set; }
         private int CurrentRow { get; set; }
@@ -26,28 +29,38 @@ namespace QuestPDF.Elements.Table
         private int MaxRow { get; set; }
         private int MaxRowSpan { get; set; }
         
-        internal override void Initialize(IPageContext pageContext, ICanvas canvas)
-        {
-            StartingRowsCount = Cells.Select(x => x.Row).DefaultIfEmpty(0).Max();
-            RowsCount = Cells.Select(x => x.Row + x.RowSpan - 1).DefaultIfEmpty(0).Max();
-            Cells = Cells.OrderBy(x => x.Row).ThenBy(x => x.Column).ToList();
-            BuildCache();
-
-            base.Initialize(pageContext, canvas);
-        }
-
         internal override IEnumerable<Element?> GetChildren()
         {
             return Cells;
         }
 
+        internal override void CreateProxy(Func<Element?, Element?> create)
+        {
+            Cells.ForEach(x => x.Child = create(x.Child));
+        }
+        
         public void ResetState()
         {
+            Initialize();
+            
             foreach (var x in Cells)
                 x.IsRendered = false;
             
             CurrentRow = 1;
         }
+        
+        private void Initialize()
+        {
+            if (CacheInitialized)
+                return;
+
+            StartingRowsCount = Cells.Select(x => x.Row).DefaultIfEmpty(0).Max();
+            RowsCount = Cells.Select(x => x.Row + x.RowSpan - 1).DefaultIfEmpty(0).Max();
+            Cells = Cells.OrderBy(x => x.Row).ThenBy(x => x.Column).ToList();
+            BuildCache();
+
+            CacheInitialized = true;
+        }
 
         private void BuildCache()
         {
@@ -112,9 +125,13 @@ namespace QuestPDF.Elements.Table
                 if (command.Measurement.Type == SpacePlanType.Wrap)
                     continue;
                 
-                Canvas.Translate(command.Offset);
+                var offset = ContentDirection == ContentDirection.LeftToRight
+                    ? command.Offset
+                    : new Position(availableSpace.Width - command.Offset.X - command.Size.Width, command.Offset.Y);
+                
+                Canvas.Translate(offset);
                 command.Cell.Draw(command.Size);
-                Canvas.Translate(command.Offset.Reverse());
+                Canvas.Translate(offset.Reverse());
             }
 
             CurrentRow = FindLastRenderedRow(renderingCommands) + 1;
@@ -161,7 +178,7 @@ namespace QuestPDF.Elements.Table
             
             if (ExtendLastCellsToTableBottom)
                 AdjustLastCellSizes(tableHeight, commands);
-
+            
             return commands;
 
             static float[] GetColumnLeftOffsets(IList<TableColumnDefinition> columns)

QuestPDF/Elements/Table/TableCell.cs

@@ -1,6 +1,8 @@
+using QuestPDF.Infrastructure;
+
 namespace QuestPDF.Elements.Table
 {
-    internal class TableCell : Container, ITableCellContainer
+    internal class TableCell : ContainerElement, ITableCellContainer
     {
         public int Row { get; set; } = 0;
         public int RowSpan { get; set; } = 1;

QuestPDF/Elements/Text/Items/TextBlockElement.cs

@@ -12,7 +12,7 @@ namespace QuestPDF.Elements.Text.Items
         public TextMeasurementResult? Measure(TextMeasurementRequest request)
         {
             Element.VisitChildren(x => (x as IStateResettable)?.ResetState());
-            Element.VisitChildren(x => x.Initialize(request.PageContext, request.Canvas));
+            Element.InjectDependencies(request.PageContext, request.Canvas);
 
             var measurement = Element.Measure(new Size(request.AvailableWidth, Size.Max.Height));
 
@@ -37,7 +37,7 @@ namespace QuestPDF.Elements.Text.Items
         public void Draw(TextDrawingRequest request)
         {
             Element.VisitChildren(x => (x as IStateResettable)?.ResetState());
-            Element.VisitChildren(x => x.Initialize(request.PageContext, request.Canvas));
+            Element.InjectDependencies(request.PageContext, request.Canvas);
             
             request.Canvas.Translate(new Position(0, request.TotalAscent));
             Element.Draw(new Size(request.TextSize.Width, -request.TotalAscent));

QuestPDF/Elements/Text/Items/TextBlockSpan.cs

@@ -47,11 +47,11 @@ namespace QuestPDF.Elements.Text.Items
             // ignore leading spaces
             if (!request.IsFirstElementInBlock && request.IsFirstElementInLine)
             {
-                while (startIndex < TextShapingResult.Glyphs.Length && Text[startIndex] == spaceCodepoint)
+                while (startIndex < TextShapingResult.Length && Text[startIndex] == spaceCodepoint)
                     startIndex++;
             }
 
-            if (TextShapingResult.Glyphs.Length == 0 || startIndex == TextShapingResult.Glyphs.Length)
+            if (TextShapingResult.Length == 0 || startIndex == TextShapingResult.Length)
             {
                 return new TextMeasurementResult
                 {
@@ -90,7 +90,7 @@ namespace QuestPDF.Elements.Text.Items
                 StartIndex = startIndex,
                 EndIndex = wrappedText.Value.endIndex,
                 NextIndex = wrappedText.Value.nextIndex,
-                TotalIndex = TextShapingResult.Glyphs.Length - 1
+                TotalIndex = TextShapingResult.Length - 1
             };
         }
         
@@ -102,7 +102,7 @@ namespace QuestPDF.Elements.Text.Items
             // textLength - length of the part of the text that fits in available width (creating a line)
 
             // entire text fits, no need to wrap
-            if (endIndex == TextShapingResult.Glyphs.Length - 1)
+            if (endIndex == TextShapingResult.Length - 1)
                 return (endIndex, endIndex);
 
             // breaking anywhere
@@ -110,7 +110,7 @@ namespace QuestPDF.Elements.Text.Items
                 return (endIndex, endIndex + 1);
                 
             // current line ends at word, next character is space, perfect place to wrap
-            if (TextShapingResult.Glyphs[endIndex].Codepoint != spaceCodepoint && TextShapingResult.Glyphs[endIndex + 1].Codepoint == spaceCodepoint)
+            if (TextShapingResult[endIndex].Codepoint != spaceCodepoint && TextShapingResult[endIndex + 1].Codepoint == spaceCodepoint)
                 return (endIndex, endIndex + 2);
                 
             // find last space within the available text to wrap
@@ -118,7 +118,7 @@ namespace QuestPDF.Elements.Text.Items
 
             while (lastSpaceIndex >= startIndex)
             {
-                if (TextShapingResult.Glyphs[lastSpaceIndex].Codepoint == spaceCodepoint)
+                if (TextShapingResult[lastSpaceIndex].Codepoint == spaceCodepoint)
                     break;
 
                 lastSpaceIndex--;

QuestPDF/Elements/Text/TextBlock.cs

@@ -4,17 +4,15 @@ using System.Linq;
 using QuestPDF.Drawing;
 using QuestPDF.Elements.Text.Calculation;
 using QuestPDF.Elements.Text.Items;
-using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements.Text
 {
-    internal class TextBlock : Element, IVisual, IStateResettable
+    internal class TextBlock : Element, IStateResettable, IContentDirectionAware
     {
-        public bool IsRendered { get; set; }
-        public bool RepeatContent { get; set; }
+        public ContentDirection ContentDirection { get; set; }
         
-        public HorizontalAlignment Alignment { get; set; } = HorizontalAlignment.Left;
+        public HorizontalAlignment? Alignment { get; set; }
         public List<ITextBlockItem> Items { get; set; } = new List<ITextBlockItem>();
 
         public string Text => string.Join(" ", Items.Where(x => x is TextBlockSpan).Cast<TextBlockSpan>().Select(x => x.Text));
@@ -54,15 +52,21 @@ namespace QuestPDF.Elements.Text
                 FontFallbackApplied = true;
             }
         }
+        
+        void SetDefaultAlignment()
+        {
+            if (Alignment.HasValue)
+                return;
+
+            Alignment = ContentDirection == ContentDirection.LeftToRight
+                ? HorizontalAlignment.Left
+                : HorizontalAlignment.Right;
+        }
 
         internal override SpacePlan Measure(Size availableSpace)
         {
-            if (availableSpace.IsNegative())
-                return SpacePlan.Wrap();
+            SetDefaultAlignment();
             
-            if (IsRendered && !RepeatContent)
-                return SpacePlan.FullRender(Size.Zero);
-
             if (!RenderingQueue.Any())
                 return SpacePlan.FullRender(Size.Zero);
             
@@ -90,26 +94,19 @@ namespace QuestPDF.Elements.Text
 
         internal override void Draw(Size availableSpace)
         {
-            if (IsRendered && !RepeatContent)
-                return;
-
+            SetDefaultAlignment();
+            
             var lines = DivideTextItemsIntoLines(availableSpace.Width, availableSpace.Height).ToList();
             
             if (!lines.Any())
                 return;
             
-            var heightOffset = 0f;
-            var widthOffset = 0f;
-            
+            var topOffset = 0f;
+
             foreach (var line in lines)
             {
-                widthOffset = 0f;
+                var leftOffset = GetAlignmentOffset(line.Width);
 
-                var alignmentOffset = GetAlignmentOffset(line.Width);
-                
-                Canvas.Translate(new Position(alignmentOffset, 0));
-                Canvas.Translate(new Position(0, -line.Ascent));
-            
                 foreach (var item in line.Elements)
                 {
                     var textDrawingRequest = new TextDrawingRequest
@@ -124,21 +121,20 @@ namespace QuestPDF.Elements.Text
                         TotalAscent = line.Ascent
                     };
                 
+                    var canvasOffset = ContentDirection == ContentDirection.LeftToRight
+                        ? new Position(leftOffset, topOffset - line.Ascent)
+                        : new Position(availableSpace.Width - leftOffset - item.Measurement.Width, topOffset - line.Ascent);
+                    
+                    Canvas.Translate(canvasOffset);
                     item.Item.Draw(textDrawingRequest);
-                
-                    Canvas.Translate(new Position(item.Measurement.Width, 0));
-                    widthOffset += item.Measurement.Width;
+                    Canvas.Translate(canvasOffset.Reverse());
+                    
+                    leftOffset += item.Measurement.Width;
                 }
-            
-                Canvas.Translate(new Position(-alignmentOffset, 0));
-                Canvas.Translate(new Position(-line.Width, line.Ascent));
-                Canvas.Translate(new Position(0, line.LineHeight));
                 
-                heightOffset += line.LineHeight;
+                topOffset += line.LineHeight;
             }
-            
-            Canvas.Translate(new Position(0, -heightOffset));
-            
+
             lines
                 .SelectMany(x => x.Elements)
                 .GroupBy(x => x.Item)
@@ -149,27 +145,21 @@ namespace QuestPDF.Elements.Text
 
             var lastElementMeasurement = lines.Last().Elements.Last().Measurement;
             CurrentElementIndex = lastElementMeasurement.IsLast ? 0 : lastElementMeasurement.NextIndex;
-
+            
             if (!RenderingQueue.Any())
-            {
                 ResetState();
-                IsRendered = true;
-            }
-
+            
             float GetAlignmentOffset(float lineWidth)
             {
-                if (Alignment == HorizontalAlignment.Left)
-                    return 0;
-
                 var emptySpace = availableSpace.Width - lineWidth;
 
-                if (Alignment == HorizontalAlignment.Right)
-                    return emptySpace;
-
-                if (Alignment == HorizontalAlignment.Center)
-                    return emptySpace / 2;
-
-                throw new ArgumentException();
+                return Alignment switch
+                {
+                    HorizontalAlignment.Left => ContentDirection == ContentDirection.LeftToRight ? 0 : emptySpace,
+                    HorizontalAlignment.Center => emptySpace / 2,
+                    HorizontalAlignment.Right => ContentDirection == ContentDirection.LeftToRight ? emptySpace : 0,
+                    _ => 0
+                };
             }
         }
 

QuestPDF/Elements/Unconstrained.cs

@@ -3,8 +3,10 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class Unconstrained : ContainerElement, ICacheable
+    internal class Unconstrained : ContainerElement, IContentDirectionAware, ICacheable
     {
+        public ContentDirection ContentDirection { get; set; }
+        
         internal override SpacePlan Measure(Size availableSpace)
         {
             var childSize = base.Measure(Size.Max);
@@ -25,7 +27,13 @@ namespace QuestPDF.Elements
             if (measurement.Type == SpacePlanType.Wrap)
                 return;
 
+            var translate = ContentDirection == ContentDirection.RightToLeft
+                ? new Position(-measurement.Width, 0)
+                : Position.Zero;
+            
+            Canvas.Translate(translate);
             base.Draw(measurement);
+            Canvas.Translate(translate.Reverse());
         }
     }
 }

QuestPDF/Fluent/ContentDirectionExtensions.cs

@@ -0,0 +1,26 @@
+using QuestPDF.Elements;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Fluent
+{
+    public static class ContentDirectionExtensions
+    {
+        internal static IContainer ContentDirection(this IContainer element, ContentDirection direction)
+        {
+            return element.Element(new ContentDirectionSetter
+            {
+                ContentDirection = direction
+            });
+        }
+        
+        public static IContainer ContentFromLeftToRight(this IContainer element)
+        {
+            return element.ContentDirection(Infrastructure.ContentDirection.LeftToRight);
+        }
+        
+        public static IContainer ContentFromRightToLeft(this IContainer element)
+        {
+            return element.ContentDirection(Infrastructure.ContentDirection.RightToLeft);
+        }
+    }
+}

QuestPDF/Fluent/DecorationExtensions.cs

@@ -12,7 +12,7 @@ namespace QuestPDF.Fluent
         {
             var container = new Container();
             Decoration.Before = container;
-            return container.RepeatContentWhenPaging();
+            return container;
         }
         
         public void Before(Action<IContainer> handler)
@@ -36,7 +36,7 @@ namespace QuestPDF.Fluent
         {
             var container = new Container();
             Decoration.After = container;
-            return container.RepeatContentWhenPaging();
+            return container;
         }
         
         public void After(Action<IContainer> handler)
@@ -49,7 +49,9 @@ namespace QuestPDF.Fluent
         [Obsolete("This element has been renamed since version 2022.2. Please use the 'Before' method.")]
         public IContainer Header()
         {
-            return Before();
+            var container = new Container();
+            Decoration.Before = container;
+            return container;
         }
         
         [Obsolete("This element has been renamed since version 2022.2. Please use the 'Before' method.")]
@@ -61,7 +63,9 @@ namespace QuestPDF.Fluent
         [Obsolete("This element has been renamed since version 2022.2. Please use the 'After' method.")]
         public IContainer Footer()
         {
-            return After();
+            var container = new Container();
+            Decoration.After = container;
+            return container;
         }
         
         [Obsolete("This element has been renamed since version 2022.2. Please use the 'After' method.")]

QuestPDF/Fluent/GridExtensions.cs

@@ -55,6 +55,7 @@ namespace QuestPDF.Fluent
     
     public static class GridExtensions
     {
+        [Obsolete("This element has been deprecated since version 2022.11. Please use the Table element, or the combination of the Row and Column elements.")]
         public static void Grid(this IContainer element, Action<GridDescriptor> handler)
         {
             var descriptor = new GridDescriptor();

QuestPDF/Fluent/InlinedExtensions.cs

@@ -30,6 +30,7 @@ namespace QuestPDF.Fluent
         public void BaselineMiddle() => Inlined.BaselineAlignment = VerticalAlignment.Middle;
         public void BaselineBottom() => Inlined.BaselineAlignment = VerticalAlignment.Bottom;
 
+        internal void Alignment(InlinedAlignment? alignment) => Inlined.ElementsAlignment = alignment;
         public void AlignLeft() => Inlined.ElementsAlignment = InlinedAlignment.Left;
         public void AlignCenter() => Inlined.ElementsAlignment = InlinedAlignment.Center;
         public void AlignRight() => Inlined.ElementsAlignment = InlinedAlignment.Right;

QuestPDF/Fluent/LayerExtensions.cs

@@ -24,7 +24,7 @@ namespace QuestPDF.Fluent
             return container;
         }
 
-        public IContainer Layer() => Layer(false).RepeatContentWhenPaging();
+        public IContainer Layer() => Layer(false);
         public IContainer PrimaryLayer() => Layer(true);
 
         internal void Validate()

QuestPDF/Fluent/LineExtensions.cs

@@ -6,11 +6,11 @@ namespace QuestPDF.Fluent
 {
     public static class LineExtensions
     {
-        private static ILine Line(this IContainer element, LineType type, float thickness)
+        private static ILine Line(this IContainer element, LineType type, float size)
         {
             var line = new Line
             {
-                Thickness = thickness,
+                Size = size,
                 Type = type
             };
 
@@ -18,14 +18,14 @@ namespace QuestPDF.Fluent
             return line;
         }
         
-        public static ILine LineVertical(this IContainer element, float thickness, Unit unit = Unit.Point)
+        public static ILine LineVertical(this IContainer element, float size, Unit unit = Unit.Point)
         {
-            return element.Line(LineType.Vertical, thickness.ToPoints(unit));
+            return element.Line(LineType.Vertical, size.ToPoints(unit));
         }
         
-        public static ILine LineHorizontal(this IContainer element, float thickness, Unit unit = Unit.Point)
+        public static ILine LineHorizontal(this IContainer element, float size, Unit unit = Unit.Point)
         {
-            return element.Line(LineType.Horizontal, thickness.ToPoints(unit));
+            return element.Line(LineType.Horizontal, size.ToPoints(unit));
         }
         
         public static void LineColor(this ILine descriptor, string value)

QuestPDF/Fluent/PageExtensions.cs

@@ -10,7 +10,9 @@ namespace QuestPDF.Fluent
     {
         internal Page Page { get; } = new Page();
 
-        public void Size(float width, float height, Unit unit = Unit.Inch)
+        #region Size
+        
+        public void Size(float width, float height, Unit unit = Unit.Point)
         {
             var pageSize = new PageSize(width, height, unit);
             
@@ -39,6 +41,10 @@ namespace QuestPDF.Fluent
         {
             Page.MaxSize = pageSize;
         }
+        
+        #endregion
+        
+        #region Margin
 
         public void MarginLeft(float value, Unit unit = Unit.Point)
         {
@@ -78,6 +84,10 @@ namespace QuestPDF.Fluent
             MarginHorizontal(value, unit);
         }
         
+        #endregion
+        
+        #region Properties
+        
         public void DefaultTextStyle(TextStyle textStyle)
         {
             Page.DefaultTextStyle = textStyle;
@@ -88,6 +98,16 @@ namespace QuestPDF.Fluent
             DefaultTextStyle(handler(TextStyle.Default));
         }
         
+        public void ContentFromLeftToRight()
+        {
+            Page.ContentDirection = ContentDirection.LeftToRight;
+        }
+        
+        public void ContentFromRightToLeft()
+        {
+            Page.ContentDirection = ContentDirection.RightToLeft;
+        }
+        
         public void PageColor(string color)
         {
             Page.BackgroundColor = color;
@@ -99,6 +119,10 @@ namespace QuestPDF.Fluent
             PageColor(color);
         }
         
+        #endregion
+        
+        #region Slots
+        
         public IContainer Background()
         {
             var container = new Container();
@@ -133,6 +157,8 @@ namespace QuestPDF.Fluent
             Page.Footer = container;
             return container;
         }
+        
+        #endregion
     }
     
     public static class PageExtensions

QuestPDF/Fluent/RepeatContentExtensions.cs

@@ -1,27 +0,0 @@
-using System;
-using QuestPDF.Elements;
-using QuestPDF.Infrastructure;
-
-namespace QuestPDF.Fluent
-{
-    public static class RepeatContentExtensions
-    {
-        private static IContainer RepeatContent(this IContainer element, Action<RepeatContentSetter> handler)
-        {
-            var repeatContentSetter = element as RepeatContentSetter ?? new RepeatContentSetter();
-            handler(repeatContentSetter);
-            
-            return element.Element(repeatContentSetter);
-        }
-
-        public static IContainer RepeatContentWhenPaging(this IContainer element)
-        {
-            return element.RepeatContent(x => x.RepeatContent = true);
-        }
-        
-        public static IContainer DoNotRepeatContentWhenPaging(this IContainer element)
-        {
-            return element.RepeatContent(x => x.RepeatContent = false);
-        }
-    }
-}

QuestPDF/Fluent/TextExtensions.cs

@@ -50,7 +50,7 @@ namespace QuestPDF.Fluent
     {
         private ICollection<TextBlock> TextBlocks { get; } = new List<TextBlock>();
         private TextStyle? DefaultStyle { get; set; }
-        internal HorizontalAlignment Alignment { get; set; } = HorizontalAlignment.Left;
+        internal HorizontalAlignment? Alignment { get; set; }
         private float Spacing { get; set; } = 0f;
 
         public void DefaultTextStyle(TextStyle style)
@@ -62,7 +62,7 @@ namespace QuestPDF.Fluent
         {
             DefaultStyle = style(TextStyle.Default);
         }
-        
+  
         public void AlignLeft()
         {
             Alignment = HorizontalAlignment.Left;
@@ -242,7 +242,7 @@ namespace QuestPDF.Fluent
         
         internal void Compose(IContainer container)
         {
-            TextBlocks.ToList().ForEach(x => x.Alignment = Alignment);
+            TextBlocks.ToList().ForEach(x => x.Alignment ??= Alignment);
             
             if (DefaultStyle != null)
                 container = container.DefaultTextStyle(DefaultStyle);

QuestPDF/Fluent/TextSpanDescriptorExtensions.cs

@@ -164,5 +164,27 @@ namespace QuestPDF.Fluent
         }
         
         #endregion
+        
+        #region Direction
+
+        public static T DirectionAuto<T>(this T descriptor) where T : TextSpanDescriptor
+        {
+            descriptor.MutateTextStyle(x => x.DirectionAuto());
+            return descriptor;
+        }
+        
+        public static T DirectionFromLeftToRight<T>(this T descriptor) where T : TextSpanDescriptor
+        {
+            descriptor.MutateTextStyle(x => x.DirectionFromLeftToRight());
+            return descriptor;
+        }
+        
+        public static T DirectionFromRightToLeft<T>(this T descriptor) where T : TextSpanDescriptor
+        {
+            descriptor.MutateTextStyle(x => x.DirectionFromRightToLeft());
+            return descriptor;
+        }
+
+        #endregion
     }
 }

QuestPDF/Fluent/TextStyleExtensions.cs

@@ -165,5 +165,29 @@ namespace QuestPDF.Fluent
         }
 
         #endregion
+
+        #region Direction
+
+        private static TextStyle TextDirection(this TextStyle style, TextDirection textDirection)
+        {
+            return style.Mutate(TextStyleProperty.Direction, textDirection);
+        }
+        
+        public static TextStyle DirectionAuto(this TextStyle style)
+        {
+            return style.TextDirection(Infrastructure.TextDirection.Auto);
+        }
+        
+        public static TextStyle DirectionFromLeftToRight(this TextStyle style)
+        {
+            return style.TextDirection(Infrastructure.TextDirection.LeftToRight);
+        }
+        
+        public static TextStyle DirectionFromRightToLeft(this TextStyle style)
+        {
+            return style.TextDirection(Infrastructure.TextDirection.RightToLeft);
+        }
+
+        #endregion
     }
 }

QuestPDF/Helpers/Placeholders.cs

@@ -7,7 +7,7 @@ namespace QuestPDF.Helpers
 {
     public static class Placeholders
     {
-        public static readonly Random Random = new Random(0);
+        public static readonly Random Random = new Random();
         
         #region Word Cache
 

QuestPDF/Infrastructure/ContentDirection.cs

@@ -0,0 +1,8 @@
+namespace QuestPDF.Infrastructure
+{
+    internal enum ContentDirection
+    {
+        LeftToRight,
+        RightToLeft
+    }
+}

QuestPDF/Infrastructure/Element.cs

@@ -15,12 +15,6 @@ namespace QuestPDF.Infrastructure
             yield break;
         }
 
-        internal virtual void Initialize(IPageContext pageContext, ICanvas canvas)
-        {
-            PageContext = pageContext;
-            Canvas = canvas;
-        }
-
         internal virtual void CreateProxy(Func<Element?, Element?> create)
         {
             

QuestPDF/Infrastructure/IComponent.cs

@@ -7,7 +7,7 @@ namespace QuestPDF.Infrastructure
         
     }
 
-    class Slot : Container, ISlot
+    class Slot : ContainerElement, ISlot
     {
         
     }

QuestPDF/Infrastructure/IContentDirectionAware.cs

@@ -0,0 +1,7 @@
+namespace QuestPDF.Infrastructure
+{
+    internal interface IContentDirectionAware
+    {
+        public ContentDirection ContentDirection { get; set; }
+    }
+}

QuestPDF/Infrastructure/IVisual.cs

@@ -1,8 +0,0 @@
-namespace QuestPDF.Infrastructure
-{
-    internal interface IVisual
-    {
-        public bool IsRendered { get; set; }
-        public bool RepeatContent { get; set; }
-    }
-}

QuestPDF/Infrastructure/TextDirection.cs

@@ -0,0 +1,9 @@
+namespace QuestPDF.Infrastructure
+{
+    internal enum TextDirection
+    {
+        Auto,
+        LeftToRight,
+        RightToLeft
+    }
+}

QuestPDF/Infrastructure/TextStyle.cs

@@ -16,6 +16,7 @@ namespace QuestPDF.Infrastructure
         internal bool? HasStrikethrough { get; set; }
         internal bool? HasUnderline { get; set; }
         internal bool? WrapAnywhere { get; set; }
+        internal TextDirection? Direction { get; set; }
 
         internal TextStyle? Fallback { get; set; }
 
@@ -32,6 +33,7 @@ namespace QuestPDF.Infrastructure
             HasStrikethrough = false,
             HasUnderline = false,
             WrapAnywhere = false,
+            Direction = TextDirection.Auto,
             Fallback = null
         };
 

QuestPDF/Infrastructure/TextStyleManager.cs

@@ -17,7 +17,8 @@ namespace QuestPDF.Infrastructure
         HasStrikethrough,
         HasUnderline,
         WrapAnywhere,
-        Fallback
+        Fallback,
+        Direction
     }
     
     internal static class TextStyleManager
@@ -192,6 +193,19 @@ namespace QuestPDF.Infrastructure
                 
                 return origin with { Fallback = castedValue };
             }
+            
+            if (property == TextStyleProperty.Direction)
+            {
+                if (!overrideValue && origin.Direction != null)
+                    return origin;
+
+                var castedValue = (TextDirection?)value;
+                
+                if (origin.Direction == castedValue)
+                    return origin;
+                
+                return origin with { Direction = castedValue };
+            }
 
             throw new ArgumentOutOfRangeException(nameof(property), property, "Expected to mutate the TextStyle object. Provided property type is not supported.");
         }
@@ -238,6 +252,7 @@ namespace QuestPDF.Infrastructure
             result = MutateStyle(result, TextStyleProperty.HasStrikethrough, parent.HasStrikethrough, overrideStyle);
             result = MutateStyle(result, TextStyleProperty.HasUnderline, parent.HasUnderline, overrideStyle);
             result = MutateStyle(result, TextStyleProperty.WrapAnywhere, parent.WrapAnywhere, overrideStyle);
+            result = MutateStyle(result, TextStyleProperty.Direction, parent.Direction, overrideStyle);
             
             if (applyFallback)
                 result = MutateStyle(result, TextStyleProperty.Fallback, parent.Fallback, overrideStyle);

QuestPDF/Previewer/ApiRequests.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using QuestPDF.Previewer.Inspection;
+
+namespace QuestPDF.Previewer;
+
+internal sealed class IncompatibleVersionApiRequest
+{
+    
+}
+
+internal sealed class NotifyPresenceApiRequest
+{
+    public string ClientId { get; set; }
+    public string LibraryVersion { get; set; }
+    public bool IsDotnet6OrBeyond { get; set; }
+    public bool IsDotnet3OrBeyond { get; set; }
+    public bool IsExecutedInUnitTest { get; set; }
+}
+
+internal sealed class DocumentPreviewApiRequest
+{
+    public ICollection<PageSnapshot> PageSnapshots { get; set; }
+    public InspectionElement DocumentHierarchy { get; set; }
+        
+    public class PageSnapshot
+    {
+        public string ResourceId { get; } = Guid.NewGuid().ToString("N");
+        public int PageNumber { get; set; }
+            
+        public float Width { get; set; }
+        public float Height { get; set; }
+    }
+}
+
+internal sealed class GenericErrorApiRequest
+{
+    public GenericError? Error { get; set; }
+}
+    
+internal sealed class LayoutErrorApiRequest
+{
+    public LayoutErrorTrace? Trace { get; set; }
+}

QuestPDF/Previewer/ExceptionDocument.cs

@@ -1,108 +0,0 @@
-using System;
-using QuestPDF.Drawing;
-using QuestPDF.Fluent;
-using QuestPDF.Helpers;
-using QuestPDF.Infrastructure;
-using SkiaSharp;
-
-namespace QuestPDF.Previewer
-{
-    public class ExceptionDocument : IDocument
-    {
-        private Exception Exception { get; }
-    
-        public ExceptionDocument(Exception exception)
-        {
-            Exception = exception;
-        }
-    
-        public DocumentMetadata GetMetadata()
-        {
-            return DocumentMetadata.Default;
-        }
-
-        public void Compose(IDocumentContainer document)
-        {
-            document.Page(page =>
-            {
-                page.ContinuousSize(PageSizes.A4.Width);
-                page.Margin(50);
-                page.DefaultTextStyle(x => x.FontSize(16));
-
-                page.Foreground().PaddingTop(5).Border(10).BorderColor(Colors.Red.Medium);
-                
-                page.Header()
-                    .ShowOnce()
-                    .PaddingBottom(5)
-                    .Row(row =>
-                    {
-                        row.Spacing(15);
-                        
-                        row.AutoItem()
-                            .PaddingTop(15)
-                            .Width(48)
-                            .AspectRatio(1)
-                            .Canvas((canvas, size) =>
-                            {
-                                const float iconSize = 24;
-                                using var iconPath = SKPath.ParseSvgPathData("M23,12L20.56,14.78L20.9,18.46L17.29,19.28L15.4,22.46L12,21L8.6,22.47L6.71,19.29L3.1,18.47L3.44,14.78L1,12L3.44,9.21L3.1,5.53L6.71,4.72L8.6,1.54L12,3L15.4,1.54L17.29,4.72L20.9,5.54L20.56,9.22L23,12M20.33,12L18.5,9.89L18.74,7.1L16,6.5L14.58,4.07L12,5.18L9.42,4.07L8,6.5L5.26,7.09L5.5,9.88L3.67,12L5.5,14.1L5.26,16.9L8,17.5L9.42,19.93L12,18.81L14.58,19.92L16,17.5L18.74,16.89L18.5,14.1L20.33,12M11,15H13V17H11V15M11,7H13V13H11V7");
-                                
-                                using var paint = new SKPaint()
-                                { 
-                                    Color = SKColors.Red,
-                                    IsAntialias = true
-                                };
-                                
-                                canvas.Scale(size.Width / iconSize);
-                                canvas.DrawPath(iconPath, paint);
-                            });
-                        
-                        row.RelativeItem()
-                            .Column(column =>
-                            {
-                                column.Item().Text("Exception").FontSize(36).FontColor(Colors.Red.Medium).Bold();
-                                column.Item().PaddingTop(-10).Text("Don't panic! Just analyze what's happened...").FontSize(18).FontColor(Colors.Red.Medium).Bold();
-                            }); 
-                    });
-
-                page.Content().PaddingVertical(20).Column(column =>
-                {
-                    var currentException = Exception;
-                    
-                    while (currentException != null)
-                    {
-                        column.Item()
-                            .PaddingTop(25)
-                            .PaddingBottom(15)
-                            
-                            .Padding(-10)
-                            .Background(Colors.Grey.Lighten3)
-                            .Padding(10)
-                            
-                            .Text(text =>
-                            {
-                                text.DefaultTextStyle(x => x.FontSize(16));
-
-                                text.Span(currentException.GetType().Name + ": ").Bold();
-                                text.Span(currentException.Message);
-                            });
-                        
-                        foreach (var trace in currentException.StackTrace.Split('\n'))
-                        {
-                            column
-                                .Item()
-                                .ShowEntire()
-                                .BorderBottom(1)
-                                .BorderColor(Colors.Grey.Lighten2)
-                                .PaddingVertical(5)
-                                .Text(trace.Trim())
-                                .FontSize(12);
-                        }
-                        
-                        currentException = currentException.InnerException;
-                    }
-                });
-            });
-        }
-    }   
-}

QuestPDF/Previewer/Helpers.cs

@@ -0,0 +1,22 @@
+#if NETCOREAPP3_0_OR_GREATER
+
+using System.Net.Http;
+using System.Text;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace QuestPDF.Previewer;
+
+internal static class Helpers
+{
+    public static Task<HttpResponseMessage> PostAsJsonAsync<TValue>(this HttpClient client, string? requestUri, TValue value, JsonSerializerOptions? options = null, CancellationToken cancellationToken = default)
+    {
+        var json = JsonSerializer.Serialize(value, options);
+        var jsonContent = new StringContent(json, Encoding.UTF8, "application/json");
+        
+        return client.PostAsync(requestUri, jsonContent, cancellationToken);
+    }
+}
+
+#endif

QuestPDF/Previewer/Inspection/DocumentHierarchyProcessor.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using QuestPDF.Drawing.Proxy;
+using QuestPDF.Elements;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Previewer.Inspection;
+
+public static class DocumentHierarchyProcessor
+{
+    internal static InspectionElement ExtractDocumentHierarchy(this Container content)
+    {
+        content.RemoveExistingContainers();
+        
+        var proxies = content.ExtractProxyOfType<InspectionProxy>();
+        return Map(proxies);
+
+        InspectionElement Map(TreeNode<InspectionProxy> treeNode)
+        {
+            var proxy = treeNode.Value;
+            var element = proxy.Child;
+                
+            var locations = proxy
+                .Statistics
+                .Keys
+                .Select(x =>
+                {
+                    var statistics = proxy.Statistics[x];
+                    
+                    return new InspectionElementLocation
+                    {
+                        PageNumber = x,
+                        Position = new MyPosition
+                        {
+                            Top = statistics.Position.Y,
+                            Left = statistics.Position.X
+                        },
+                        Size = new Size
+                        {
+                            Width = statistics.Size.Width,
+                            Height = statistics.Size.Height
+                        }
+                    };
+                })
+                .ToList();
+            
+            return new InspectionElement
+            {
+                ElementType = element.GetType().Name,
+                IsSingleChildContainer = element is ContainerElement,
+                Location = locations,
+                Properties = element.GetElementConfiguration().ToList(),
+                Children = treeNode.Children.Select(Map).ToList()
+            };
+        }
+    }
+}

QuestPDF/Previewer/Inspection/DocumentPreviewResult.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using QuestPDF.Drawing;
+
+namespace QuestPDF.Previewer.Inspection;
+
+internal class DocumentPreviewResult
+{
+    public IList<PreviewerPicture> PageSnapshots { get; set; }
+    public InspectionElement DocumentHierarchy { get; set; }
+}

QuestPDF/Previewer/Inspection/InspectionStateItem.cs

@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Previewer.Inspection
+{
+    internal class InspectionStateItem
+    {
+        public Element Element { get; internal set; }
+        public Infrastructure.Size Size { get; internal set; }
+        public Position Position { get; internal set; }
+    }
+
+    internal class MyPosition
+    {
+        public float Top { get; set; }
+        public float Left { get; set; }
+    }
+    
+    internal class InspectionElementLocation
+    {
+        public int PageNumber { get; internal set; }
+        public MyPosition Position { get; internal set; }
+        public Size Size { get; internal set; }
+    }
+    
+    internal class InspectionElement
+    {
+        public string ElementType { get; set; }
+        public bool IsSingleChildContainer { get; set; }
+        public IReadOnlyCollection<InspectionElementLocation> Location { get; set; }
+        public IReadOnlyCollection<DocumentElementProperty> Properties { get; set; }
+        public ICollection<InspectionElement> Children { get; set; }
+    }
+}

QuestPDF/Previewer/Models.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using QuestPDF.Drawing;
+using QuestPDF.Infrastructure;
+using QuestPDF.Previewer.Inspection;
+
+namespace QuestPDF.Previewer;
+
+internal sealed class DocumentElementProperty
+{
+    public string Label { get; set; }
+    public string Value { get; set; }
+}
+
+internal sealed class Size
+{
+    public float Width { get; set; }
+    public float Height { get; set; }
+}
+
+internal sealed class SpacePlan
+{
+    public float Width { get; set; }
+    public float Height { get; set; }
+    public SpacePlanType Type { get; set; }
+}
+
+
+
+internal sealed class LayoutErrorTrace
+{
+    public string ElementType { get; set; }
+    public bool IsSingleChildContainer { get; set; }
+    public IReadOnlyCollection<DocumentElementProperty> ElementProperties { get; set; }
+    public IReadOnlyCollection<LayoutErrorMeasurement> Measurements { get; set; }
+    public IReadOnlyCollection<LayoutErrorTrace> Children { get; set; }
+}
+
+internal sealed class LayoutErrorMeasurement
+{
+    public Size AvailableSpace { get; set; }
+    public SpacePlan SpacePlan { get; set; }
+}
+
+
+
+
+
+
+    
+internal sealed class GenericError
+{
+    public string ExceptionType { get; set; }
+    public string Message { get; set; }
+    public string StackTrace { get; set; }
+    public GenericError? InnerException { get; set; }
+}
+
+
+
+
+
+

QuestPDF/Previewer/PreviewerExtensions.cs

@@ -1,10 +1,11 @@
-#if NET6_0_OR_GREATER
+#if NETCOREAPP3_0_OR_GREATER
 
 using System;
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 using QuestPDF.Drawing;
+using QuestPDF.Drawing.Exceptions;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Previewer
@@ -16,47 +17,43 @@ namespace QuestPDF.Previewer
             document.ShowInPreviewerAsync(port).ConfigureAwait(true).GetAwaiter().GetResult();
         }
         
-        public static async Task ShowInPreviewerAsync(this IDocument document, int port = 12500)
+        public static async Task ShowInPreviewerAsync(this IDocument document, int port = 12500, CancellationToken cancellationToken = default)
         {
             var previewerService = new PreviewerService(port);
             
             using var cancellationTokenSource = new CancellationTokenSource();
-            previewerService.OnPreviewerStopped += () => cancellationTokenSource.Cancel();
+            previewerService.OnLostConnection += () => cancellationTokenSource.Cancel();
             
             await previewerService.Connect();
             await RefreshPreview();
             
+            #if NET6_0_OR_GREATER
             HotReloadManager.UpdateApplicationRequested += (_, _) => RefreshPreview();
-            
-            await WaitForPreviewerExit(cancellationTokenSource.Token);
-            
-            Task RefreshPreview()
+            #endif
+
+            while (true)
             {
-                var pictures = GetPictures();
-                return previewerService.RefreshPreview(pictures);
-                
-                ICollection<PreviewerPicture> GetPictures()
-                {
-                    try
-                    {
-                        return DocumentGenerator.GeneratePreviewerPictures(document);
-                    }
-                    catch (Exception exception)
-                    {
-                        var exceptionDocument = new ExceptionDocument(exception);
-                        return DocumentGenerator.GeneratePreviewerPictures(exceptionDocument);
-                    }
-                }
+                if (cancellationToken.IsCancellationRequested)
+                    break;
+
+                // ReSharper disable once MethodSupportsCancellation
+                await Task.Delay(TimeSpan.FromMilliseconds(1000));
             }
 
-            async Task WaitForPreviewerExit(CancellationToken cancellationToken)
+            Task RefreshPreview()
             {
-                while (true)
+                try
                 {
-                    if (cancellationToken.IsCancellationRequested)
-                        return;
-                
-                    await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken);
+                    var documentPreviewResult = DocumentGenerator.GeneratePreviewerPictures(document);
+                    return previewerService.ShowDocumentPreview(documentPreviewResult);
+                }
+                catch (DocumentLayoutException exception)
+                {
+                    return previewerService.ShowLayoutError(exception);
+                }
+                catch (Exception exception)
+                {
+                    return previewerService.ShowGenericError(exception);
                 }
             }
         }

QuestPDF/Previewer/PreviewerRefreshCommand.cs

@@ -1,23 +0,0 @@
-using System;
-using System.Collections.Generic;
-using QuestPDF.Infrastructure;
-
-#if NET6_0_OR_GREATER
-
-namespace QuestPDF.Previewer
-{
-    internal class PreviewerRefreshCommand
-    {
-        public ICollection<Page> Pages { get; set; }
-
-        public class Page
-        {
-            public string Id { get; } = Guid.NewGuid().ToString("N");
-            
-            public float Width { get; init; }
-            public float Height { get; init; }
-        }
-    }
-}
-
-#endif

QuestPDF/Previewer/PreviewerService.cs

@@ -1,25 +1,32 @@
-#if NET6_0_OR_GREATER
+#if NETCOREAPP3_0_OR_GREATER
 
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Net.Http;
 using System.Net.Http.Json;
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
-using QuestPDF.Drawing;
+using QuestPDF.Drawing.Exceptions;
+using QuestPDF.Previewer.Inspection;
 
 namespace QuestPDF.Previewer
 {
     internal class PreviewerService
     {
+        private string ClientId { get; } = Guid.NewGuid().ToString("D");
+        private string LibraryVersion { get; } = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version?.ToString();
+        
         private int Port { get; }
         private HttpClient HttpClient { get; }
         
-        public  event Action? OnPreviewerStopped;
-
-        private const int RequiredPreviewerVersionMajor = 2022;
-        private const int RequiredPreviewerVersionMinor = 9;
+        public event Action? OnLostConnection;
+        
+        private const int RequiredPreviewerVersionMajor = 2023;
+        private const int RequiredPreviewerVersionMinor = 1;
         
         public PreviewerService(int port)
         {
@@ -30,11 +37,23 @@ namespace QuestPDF.Previewer
                 Timeout = TimeSpan.FromSeconds(1)
             };
         }
+        
+        internal static readonly JsonSerializerOptions JsonSerializerOptions = new()
+        {
+            PropertyNameCaseInsensitive = true,
+            MaxDepth = 256,
+            Converters =
+            {
+                new JsonStringEnumConverter(JsonNamingPolicy.CamelCase)
+            }
+        };
 
+        #region Connection
+        
         public async Task Connect()
         {
             var isAvailable = await IsPreviewerAvailable();
-
+        
             if (!isAvailable)
             {
                 StartPreviewer();
@@ -42,9 +61,11 @@ namespace QuestPDF.Previewer
             }
             
             var previewerVersion = await GetPreviewerVersion();
-            CheckVersionCompatibility(previewerVersion);
-        }
+            await CheckVersionCompatibility(previewerVersion);
 
+            StartNotifyPresenceTask();
+        }
+        
         private async Task<bool> IsPreviewerAvailable()
         {
             try
@@ -58,12 +79,6 @@ namespace QuestPDF.Previewer
             }
         }
         
-        private async Task<Version> GetPreviewerVersion()
-        {
-            using var result = await HttpClient.GetAsync("/version");
-            return await result.Content.ReadFromJsonAsync<Version>();
-        }
-        
         private void StartPreviewer()
         {
             try
@@ -80,13 +95,6 @@ namespace QuestPDF.Previewer
                 };
                 
                 process.Start();
-
-                Task.Run(async () =>
-                {
-                    await process.WaitForExitAsync();
-                    process.Dispose();
-                    OnPreviewerStopped?.Invoke();
-                });
             }
             catch
             {
@@ -94,16 +102,6 @@ namespace QuestPDF.Previewer
                                     "Please install it by executing in terminal the following command: 'dotnet tool install --global QuestPDF.Previewer'.");
             }
         }
-
-        private void CheckVersionCompatibility(Version version)
-        {
-            if (version.Major == RequiredPreviewerVersionMajor && version.Minor == RequiredPreviewerVersionMinor)
-                return;
-            
-            throw new Exception($"Previewer version is not compatible. Possible solutions: " +
-                                $"1) Update the QuestPDF library to newer version. " +
-                                $"2) Update the QuestPDF previewer tool using the following command: 'dotnet tool update --global QuestPDF.Previewer --version {RequiredPreviewerVersionMajor}.{RequiredPreviewerVersionMinor}'");
-        }
         
         private async Task WaitForConnection()
         {
@@ -114,50 +112,155 @@ namespace QuestPDF.Previewer
             
             while (true)
             {
+                // ReSharper disable once MethodSupportsCancellation
                 await Task.Delay(TimeSpan.FromMilliseconds(250));
-
+        
                 if (cancellationToken.IsCancellationRequested)
                     throw new Exception($"Cannot connect to the QuestPDF Previewer tool. Please make sure that your Operating System does not block HTTP connections on port {Port}.");
-
+        
                 var isConnected = await IsPreviewerAvailable();
-
+        
                 if (isConnected)
                     break;
             }
         }
         
-        public async Task RefreshPreview(ICollection<PreviewerPicture> pictures)
+        #endregion
+        
+        #region Checking compatibility
+
+        private async Task<Version> GetPreviewerVersion()
+        {
+            using var result = await HttpClient.GetAsync("/version");
+            var response = await result.Content.ReadFromJsonAsync<string>();
+            return Version.Parse(response);
+        }
+
+        private async Task CheckVersionCompatibility(Version version)
+        {
+            if (version is { Major: RequiredPreviewerVersionMajor, Minor: RequiredPreviewerVersionMinor })
+                return;
+
+            await ShowIncompatibleVersion();
+            
+            throw new Exception($"Previewer version is not compatible. Possible solutions: " +
+                                $"1) Update the QuestPDF library to newer version. " +
+                                $"2) Update the QuestPDF previewer tool using the following command: 'dotnet tool update --global QuestPDF.Previewer --version {RequiredPreviewerVersionMajor}.{RequiredPreviewerVersionMinor}'");
+        }
+
+        private async Task ShowIncompatibleVersion()
+        {
+            var payload = new IncompatibleVersionApiRequest();
+            await HttpClient.PostAsJsonAsync("/update/incompatibleVersion", payload, JsonSerializerOptions);
+        }
+        
+        #endregion
+        
+        #region Reporting presence
+        
+        private void StartNotifyPresenceTask()
+        {
+            Task.Run(async () =>
+            {
+                while (true)
+                {
+                    await NotifyPresence();
+                    await Task.Delay(1000);
+                }
+            });
+        }
+        
+        private async Task NotifyPresence()
+        {
+            var payload = new NotifyPresenceApiRequest
+            {
+                ClientId = ClientId,
+                LibraryVersion = LibraryVersion,
+                IsDotnet6OrBeyond = RuntimeDetector.IsNet6OrGreater,
+                IsDotnet3OrBeyond = RuntimeDetector.IsNet3OrGreater,
+                IsExecutedInUnitTest = UnitTestDetector.RunningInUnitTest
+            };
+ 
+            await HttpClient.PostAsJsonAsync("/update/notifyPresence", payload);
+        }
+        
+        #endregion
+        
+        #region Updating state
+
+        public async Task ShowDocumentPreview(DocumentPreviewResult documentPreviewResult)
         {
             using var multipartContent = new MultipartFormDataContent();
-
-            var pages = new List<PreviewerRefreshCommand.Page>();
             
-            foreach (var picture in pictures)
+            var pages = new List<DocumentPreviewApiRequest.PageSnapshot>();
+            
+            foreach (var snapshot in documentPreviewResult.PageSnapshots)
             {
-                var page = new PreviewerRefreshCommand.Page
+                var page = new DocumentPreviewApiRequest.PageSnapshot
                 {
-                    Width = picture.Size.Width,
-                    Height = picture.Size.Height
+                    PageNumber = documentPreviewResult.PageSnapshots.IndexOf(snapshot) + 1,
+                    Width = snapshot.Size.Width,
+                    Height = snapshot.Size.Height
                 };
                 
                 pages.Add(page);
-
-                var pictureStream = picture.Picture.Serialize().AsStream();
-                multipartContent.Add(new StreamContent(pictureStream), page.Id, page.Id);
+            
+                var pictureStream = snapshot.Picture.Serialize().AsStream();
+                multipartContent.Add(new StreamContent(pictureStream), "snapshots", page.ResourceId);
             }
-
-            var command = new PreviewerRefreshCommand
+            
+            var request = new DocumentPreviewApiRequest
             {
-                Pages = pages
+                PageSnapshots = pages, 
+                DocumentHierarchy = documentPreviewResult.DocumentHierarchy
             };
             
-            multipartContent.Add(JsonContent.Create(command), "command");
-
-            using var _ = await HttpClient.PostAsync("/update/preview", multipartContent);
-
-            foreach (var picture in pictures)
+            var json = JsonSerializer.Serialize(request, JsonSerializerOptions);
+            var jsonContent = new StringContent(json, Encoding.UTF8, "application/json");
+            multipartContent.Add(jsonContent, "request");
+            
+            using var response = await HttpClient.PostAsync("/update/documentPreview", multipartContent);
+            response.EnsureSuccessStatusCode();
+            
+            foreach (var picture in documentPreviewResult.PageSnapshots)
                 picture.Picture.Dispose();
         }
+        
+        public async Task ShowGenericError(Exception exception)
+        {
+            var payload = new GenericErrorApiRequest
+            {
+                Error = MapException(exception)
+            };
+
+            await HttpClient.PostAsJsonAsync("/update/genericError", payload, JsonSerializerOptions);
+            
+            static GenericError? MapException(Exception? exception)
+            {
+                if (exception == null)
+                    return null;
+                        
+                return new GenericError
+                {
+                    ExceptionType = exception.GetType().FullName, 
+                    Message = exception.Message, 
+                    StackTrace = exception.StackTrace, 
+                    InnerException = MapException(exception.InnerException)
+                };
+            }
+        }
+        
+        public async Task ShowLayoutError(DocumentLayoutException exception)
+        {
+            var payload = new LayoutErrorApiRequest
+            {
+                Trace = exception.ElementTrace
+            };
+            
+            await HttpClient.PostAsJsonAsync("/update/layoutError", payload, JsonSerializerOptions);
+        }
+        
+        #endregion
     }
 }
 

QuestPDF/Previewer/RuntimeDetector.cs

@@ -0,0 +1,16 @@
+namespace QuestPDF.Previewer;
+
+public static class RuntimeDetector
+{
+#if NET6_0_OR_GREATER
+    public static bool IsNet6OrGreater => true;
+#else
+    public static bool IsNet6OrGreater => false;
+#endif
+    
+#if NETCOREAPP3_0_OR_GREATER
+    public static bool IsNet3OrGreater => true;
+#else
+    public static bool IsNet6OrGreater => false;
+#endif
+}