Fixes

Right-to-left content support

QuestPDF.Examples/ContentDirectionExamples.cs

@@ -17,30 +17,29 @@ namespace QuestPDF.Examples
             return container =>
             {
                 container
-                    .Padding(20)
                     .MinimalBox()
-                    .Border(1)
                     .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
-                                    .Border(1)
                                     .BorderColor(Colors.Grey.Medium)
-                                    .Background(Colors.Grey.Lighten3)
-                                    .PaddingHorizontal(10)
+                                    .Background(Colors.Grey.Lighten2)
+                                    .PaddingHorizontal(15)
                                     .PaddingVertical(5)
                                     .Text(label)
                                     .FontSize(18)
@@ -49,15 +48,12 @@ namespace QuestPDF.Examples
                         });
 
                         table.Cell().Element(TestCell).ContentFromLeftToRight().Element(content);
-                        
-                        table.Cell()
-                            .Element(TestCell)
-                            .ContentFromRightToLeft()
-                            .Element(content);
+                        table.Cell().LineVertical(1).LineColor(Colors.Grey.Medium);
+                        table.Cell().Element(TestCell).ContentFromRightToLeft().Element(content);
                         
                         static IContainer TestCell(IContainer container)
                         {
-                            return container.Border(1).BorderColor(Colors.Grey.Medium).Padding(10);
+                            return container.Padding(15);
                         }
                     });
             };
@@ -79,46 +75,47 @@ namespace QuestPDF.Examples
                         page.Margin(20);
                         page.PageColor(Colors.White);
                         
-                        //page.ContentFromRightToLeft();
+                        page.DefaultTextStyle(x => x.FontFamily("Calibri").FontSize(20));
+                        page.ContentFromRightToLeft();
                         
                         page.Content().Column(column =>
                         {
                             column.Spacing(20);
-                            
-                            column.Item().Row(row =>
-                            {
-                                row.Spacing(10);
-                                
-                                row.AutoItem().AlignMiddle().Width(20).Height(20).Image(Placeholders.Image);
-                                
-                                row.RelativeItem()
-                                    .Text("Document title")
-                                    .FontSize(24).FontColor(Colors.Blue.Accent1).SemiBold();
-                            });
+
+                            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.RelativeColumn();
-                                    columns.RelativeColumn();
-                                    columns.RelativeColumn();
+                                    columns.ConstantColumn(75);
+                                    columns.ConstantColumn(100);
                                 });
 
-                                foreach (var i in Enumerable.Range(0, 9))
-                                {
-                                    var width = (i % 4 == 0) ? 2 : 1;
+                                table.Cell().Element(HeaderStyle).Text("وصف السلعة"); // item description
+                                table.Cell().Element(HeaderStyle).Text("كمية"); // quantity
+                                table.Cell().Element(HeaderStyle).Text("سعر"); // price
 
-                                    table
-                                        .Cell()
-                                        .ColumnSpan((uint)width)
-                                        .Background(i % 4 == 0 ? Colors.Grey.Lighten1 : Colors.Grey.Lighten2)
-                                        .Padding(5)
-                                        .AlignCenter()
-                                        .Text(i)
-                                        .FontSize(20);
+                                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);
                             });
                         });
                     });
@@ -265,16 +262,16 @@ namespace QuestPDF.Examples
                 {
                     column.Spacing(10);
 
-                    column.Item().Background(Colors.Grey.Lighten3).Text("Default alignment").FontSize(13);
+                    column.Item().Text("Default alignment").FontSize(14).SemiBold();
                     column.Item().Element(ContentWithAlignment(null));
                     
-                    column.Item().Background(Colors.Grey.Lighten3).Text("Left alignment").FontSize(14);
+                    column.Item().Text("Left alignment").FontSize(14).SemiBold();
                     column.Item().Element(ContentWithAlignment(InlinedAlignment.Left));
                     
-                    column.Item().Background(Colors.Grey.Lighten3).Text("Center alignment").FontSize(14);
+                    column.Item().Text("Center alignment").FontSize(14).SemiBold();
                     column.Item().Element(ContentWithAlignment(InlinedAlignment.Center));
                     
-                    column.Item().Background(Colors.Grey.Lighten3).Text("Right alignment").FontSize(14);
+                    column.Item().Text("Right alignment").FontSize(14).SemiBold();
                     column.Item().Element(ContentWithAlignment(InlinedAlignment.Right));
                 });
                 
@@ -315,16 +312,16 @@ namespace QuestPDF.Examples
                 {
                     column.Spacing(10);
 
-                    column.Item().Background(Colors.Grey.Lighten3).Text("Default alignment").FontSize(13);
+                    column.Item().Text("Default alignment").FontSize(14).SemiBold();
                     column.Item().Element(ContentWithAlignment(null));
                     
-                    column.Item().Background(Colors.Grey.Lighten3).Text("Left alignment").FontSize(14);
+                    column.Item().Text("Left alignment").FontSize(14).SemiBold();
                     column.Item().Element(ContentWithAlignment(HorizontalAlignment.Left));
                     
-                    column.Item().Background(Colors.Grey.Lighten3).Text("Center alignment").FontSize(14);
+                    column.Item().Text("Center alignment").FontSize(14).SemiBold();
                     column.Item().Element(ContentWithAlignment(HorizontalAlignment.Center));
                     
-                    column.Item().Background(Colors.Grey.Lighten3).Text("Right alignment").FontSize(14);
+                    column.Item().Text("Right alignment").FontSize(14).SemiBold();
                     column.Item().Element(ContentWithAlignment(HorizontalAlignment.Right));
                 });
 

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/TextExamples.cs

@@ -691,7 +691,28 @@ namespace QuestPDF.Examples
         }
         
         [Test]
-        public void TextDirectionality()
+        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()
@@ -725,5 +746,45 @@ namespace QuestPDF.Examples
                         });
                 });
         }
+        
+        [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>2022.11.0</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/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/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.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
 {
@@ -51,14 +52,21 @@ 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();
@@ -67,17 +75,22 @@ namespace QuestPDF.Drawing
             ApplyDefaultTextStyle(content, TextStyle.LibraryDefault);
             ApplyContentDirection(content, ContentDirection.LeftToRight);
             
-            var debuggingState = Settings.EnableDebugging ? ApplyDebugging(content) : null;
-            
             if (Settings.EnableCaching)
                 ApplyCaching(content);
 
             var pageContext = new PageContext();
-            RenderPass(pageContext, new FreeCanvas(), content, debuggingState);
-            RenderPass(pageContext, canvas, content, debuggingState);
+            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
         {
             InjectDependencies(content, pageContext, canvas);
@@ -90,7 +103,6 @@ namespace QuestPDF.Drawing
             while(true)
             {
                 pageContext.SetPageNumber(currentPage);
-                debuggingState?.Reset();
                 
                 var spacePlan = content.Measure(Size.Max);
 
@@ -135,9 +147,14 @@ 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);
             }
         }
 
@@ -162,16 +179,12 @@ 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;
         }
         
         internal static void ApplyContentDirection(this Element? content, ContentDirection direction)

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/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; }
     }

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/Inlined.cs

@@ -6,7 +6,7 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class InlinedElement : Container
+    internal class InlinedElement : ContainerElement
     {
 
     }
@@ -49,6 +49,11 @@ 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();   

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/Page.cs

@@ -42,6 +42,7 @@ namespace QuestPDF.Elements
                     
                     layers
                         .PrimaryLayer()
+                        .DebugPointer("Page primary layer")
                         .MinWidth(MinSize.Width)
                         .MinHeight(MinSize.Height)
                 
@@ -64,9 +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/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; }

QuestPDF/Elements/Table/Table.cs

@@ -34,6 +34,11 @@ namespace QuestPDF.Elements.Table
             return Cells;
         }
 
+        internal override void CreateProxy(Func<Element?, Element?> create)
+        {
+            Cells.ForEach(x => x.Child = create(x.Child));
+        }
+        
         public void ResetState()
         {
             Initialize();

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/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/IComponent.cs

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

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 = 11;
+        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
+}

QuestPDF/Previewer/TreeTraversal.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using System.Linq;
+using QuestPDF.Drawing.Proxy;
+using QuestPDF.Infrastructure;
+
+namespace QuestPDF.Previewer;
+
+internal record TreeNode<T>(T Value, ICollection<TreeNode<T>> Children);
+
+internal static class TreeTraversal
+{
+    public static TreeNode<T> ExtractProxyOfType<T>(this Element root) where T : ElementProxy
+    {
+        return Traverse(root).FirstOrDefault();
+
+        IEnumerable<TreeNode<T>> Traverse(Element element)
+        {
+            if (element is T proxy)
+            {
+                var result = new TreeNode<T>(proxy, new List<TreeNode<T>>());
+                
+                proxy
+                    .Child!
+                    .GetChildren()
+                    .SelectMany(Traverse)
+                    .ToList()
+                    .ForEach(result.Children.Add);
+
+                yield return result;
+            }
+            else
+            {
+                foreach (var treeNode in element.GetChildren().SelectMany(Traverse))
+                    yield return treeNode;
+            }
+        }
+    }
+}

QuestPDF/Previewer/UnitTestDetector.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Linq;
+
+namespace QuestPDF.Previewer;
+
+internal static class UnitTestDetector
+{
+    public static bool RunningInUnitTest { get; }   
+
+    private static string[] UnitTestAssemblies = { "xunit", "nunit", "mstest" };
+    
+    static UnitTestDetector()
+    {
+        RunningInUnitTest = AppDomain
+            .CurrentDomain
+            .GetAssemblies()
+            .Select(x => x.FullName.ToLowerInvariant())
+            .Any(x => UnitTestAssemblies.Any(x.Contains));
+    }
+}

QuestPDF/QuestPDF.csproj

@@ -3,10 +3,10 @@
         <Authors>MarcinZiabek</Authors>
         <Company>CodeFlint</Company>
         <PackageId>QuestPDF</PackageId>
-        <Version>2022.11.0-alpha1</Version>
+        <Version>2022.11.0</Version>
         <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>$([System.IO.File]::ReadAllText("$(MSBuildProjectDirectory)/Resources/ReleaseNotes.txt"))</PackageReleaseNotes>
-        <LangVersion>9</LangVersion>
+        <LangVersion>10</LangVersion>
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
         <PackageIcon>Logo.png</PackageIcon>
         <PackageIconUrl>https://www.questpdf.com/images/package-logo.png</PackageIconUrl>
@@ -17,14 +17,14 @@
         <PackageTags>pdf report file export generate generation tool create creation render portable document format quest html library converter open source free standard core</PackageTags>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
         <Nullable>enable</Nullable>
-        <TargetFrameworks>net462;netstandard2.0;netcoreapp2.0;netcoreapp3.0;net6.0</TargetFrameworks>
         <IncludeSymbols>true</IncludeSymbols>
         <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+        <TargetFramework>net5.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="SkiaSharp" Version="2.80.4" />
-      <PackageReference Include="SkiaSharp.HarfBuzz" Version="2.80.4" />
+      <PackageReference Include="SkiaSharp" Version="2.88.3" />
+      <PackageReference Include="SkiaSharp.HarfBuzz" Version="2.88.3" />
     </ItemGroup>
 
     <ItemGroup>
@@ -65,4 +65,8 @@
       <None Remove="Resources\DefaultFont\Lato-ThinItalic.ttf" />
       <EmbeddedResource Include="Resources\DefaultFont\Lato-ThinItalic.ttf" />
     </ItemGroup>
+
+    <ItemGroup>
+      <Compile Remove="Previewer\Models\GenericError.cs" />
+    </ItemGroup>
 </Project>

QuestPDF/Settings.cs

@@ -1,4 +1,6 @@
-namespace QuestPDF
+using System;
+
+namespace QuestPDF
 {
     public static class Settings
     {
@@ -24,8 +26,9 @@
         /// It includes layout calculation results and path to the problematic area.
         /// </summary>
         /// <remarks>By default, this flag is enabled only when the debugger IS attached.</remarks>
+        [Obsolete("The new implementation for debugging layout issues does not introduce any additional performance overhead. Therefore, this setting is no longer used since the 2023.1 release. Please remove this setter from your code.")]
         public static bool EnableDebugging { get; set; } = System.Diagnostics.Debugger.IsAttached;
-        
+
         /// <summary>
         /// This flag enables checking the font glyph availability.
         /// If your text contains glyphs that are not present in the specified font,

SimpleApp/Program.cs

@@ -0,0 +1,56 @@
+// See https://aka.ms/new-console-template for more information
+
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using QuestPDF.Previewer;
+
+QuestPDF.Settings.EnableCaching = true;
+QuestPDF.Settings.EnableDebugging = true;
+
+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));
+
+                    foreach (var i in Enumerable.Range(0, 50))
+                    {
+                        x.Item()
+                            .Height(80).Width(100 + i * 5)
+                            .Background(Colors.Grey.Lighten3)
+                            .AlignCenter().AlignMiddle()
+                            .Text(i);
+                    }
+
+                    //x.Item().Width(1000);
+                });
+                        
+            page.Footer()
+                .AlignCenter()
+                .Text(x =>
+                {
+                    x.Span("Page ");
+                    x.CurrentPageNumber();
+                });
+        });
+    })
+    .ShowInPreviewer();
+

SimpleApp/SimpleApp.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net5.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <LangVersion>10</LangVersion>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\QuestPDF\QuestPDF.csproj" />
+    </ItemGroup>
+
+</Project>

readme.md

@@ -23,7 +23,7 @@ Choosing a project dependency could be difficult. We need to ensure stability an
 
 ⭐ Please give this repository a star. It takes seconds and help thousands of developers! ⭐
 
-<img src="https://user-images.githubusercontent.com/9263853/190931857-8ca52ec8-cc7d-4d12-9467-4442b3342fa1.png" width="700" />
+<img src="https://user-images.githubusercontent.com/9263853/200136456-95b7a1e2-0b7e-4779-9071-9d4f2ef50745.png" width="709" />
 
 
 ## Please share with the community
@@ -63,7 +63,7 @@ Install-Package QuestPDF
 dotnet add package QuestPDF
 
 // Package reference in .csproj file
-<PackageReference Include="QuestPDF" Version="2022.9.0" />
+<PackageReference Include="QuestPDF" Version="2022.11.0" />
 ```
 
 [![Nuget version](https://img.shields.io/badge/package%20details-QuestPDF-blue?logo=nuget)](https://www.nuget.org/packages/QuestPDF/)