Repeat content experiment

Fix links in README

QuestPDF.Examples/GenerationBenchmark.cs

@@ -0,0 +1,146 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using NUnit.Framework;
+using QuestPDF.Elements;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+
+namespace QuestPDF.Examples
+{
+    public class ProcessRunningTime
+    {
+        public TimeSpan FluentTime { get; set; }
+        public TimeSpan GenerationTime { get; set; }
+        public float Size { get; set; }
+    }
+    
+    public class GenerationBenchmark
+    {
+        public const int TestSize = 4096;
+        
+        [Test]
+        public void BenchmarkAsync()
+        {
+            RunTest(() => Enumerable
+                .Range(0, TestSize)
+                .AsParallel() // difference
+                .Select(GenerateAndCollect)
+                .ToList());
+        }
+        
+        [Test]
+        public void BenchmarkSync()
+        {
+            RunTest(() => Enumerable
+                .Range(0, TestSize)
+                .Select(GenerateAndCollect)
+                .ToList());
+        }
+
+        public void RunTest(Func<IEnumerable<ProcessRunningTime>> handler)
+        {
+            var totalFluentTime = TimeSpan.Zero;
+            var totalGenerationTime = TimeSpan.Zero;
+
+            var stopWatch = new Stopwatch();
+            
+            stopWatch.Start();
+            var results = handler();
+            stopWatch.Stop();
+            
+            foreach (var result in results)
+            {
+                totalFluentTime += result.FluentTime;
+                totalGenerationTime += result.GenerationTime;
+            }
+
+            Console.WriteLine($"Fluent: {totalFluentTime:g}");
+            Console.WriteLine($"Generation: {totalGenerationTime:g}");
+            Console.WriteLine($"Total: {stopWatch.Elapsed:g}");
+        }
+        
+        static ProcessRunningTime GenerateAndCollect(int attemptNumber)
+        {
+            var stopwatch = new Stopwatch();
+            stopwatch.Start();
+            
+            var container = new Container();
+            
+            container
+                .Padding(10)
+                .MinimalBox()
+                .Border(1)
+                .Column(column =>
+                {
+                    column.Item().Text($"Attempts {attemptNumber}");
+                    
+                    const int numberOfRows = 100;
+                    const int numberOfColumns = 10;
+
+                    for (var y = 0; y < numberOfRows; y++)
+                    {
+                        column.Item().Row(row =>
+                        {
+                            for (var x = 0; x < numberOfColumns; x++)
+                            {
+                                row.RelativeItem()
+                                    
+                                    .Background(Colors.Red.Lighten5)
+                                    .Padding(3)
+                                    
+                                    .Background(Colors.Red.Lighten4)
+                                    .Padding(3)
+                                    
+                                    .Background(Colors.Red.Lighten3)
+                                    .Padding(3)
+                                    
+                                    .Background(Colors.Red.Lighten2)
+                                    .Padding(3)
+                                    
+                                    .Background(Colors.Red.Lighten1)
+                                    .Padding(3)
+                                    
+                                    .Background(Colors.Red.Medium)
+                                    .Padding(3)
+                                    
+                                    .Background(Colors.Red.Darken1)
+                                    .Padding(3)
+                                    
+                                    .Background(Colors.Red.Darken2)
+                                    .Padding(3)
+                                    
+                                    .Background(Colors.Red.Darken3)
+                                    .Padding(3)
+                                    
+                                    .Background(Colors.Red.Darken4)
+                                    .Height(3);
+                            }
+                        });
+                    }  
+                });
+
+            var fluentTime = stopwatch.Elapsed;
+            
+            stopwatch.Reset();
+            stopwatch.Start();
+
+            var size = Document
+                .Create(x => x.Page(page => page.Content().Element(container)))
+                .GeneratePdf()
+                .Length;
+
+            var generationTime = stopwatch.Elapsed;
+            
+            return new ProcessRunningTime
+            {
+                FluentTime = fluentTime,
+                GenerationTime = generationTime,
+                Size = size
+            };
+        }
+    }
+}

QuestPDF.Examples/ImageExamples.cs

@@ -1,4 +1,5 @@
-using System.IO;
+using System;
+using System.IO;
 using NUnit.Framework;
 using QuestPDF.Drawing.Exceptions;
 using QuestPDF.Examples.Engine;
@@ -34,6 +35,21 @@ namespace QuestPDF.Examples
                 });
         }
         
+        [Test]
+        public void DynamicImage()
+        {
+            RenderingTest
+                .Create()
+                .PageSize(450, 350)
+                .ProducePdf()
+                .ShowResults()
+                .Render(page =>
+                {
+                    page.Padding(25)
+                        .Image(Placeholders.Image);
+                });
+        }
+        
         [Test]
         public void Exception()
         {
@@ -47,5 +63,43 @@ namespace QuestPDF.Examples
                     .Render(page => page.Image("non_existent.png"));
             });
         }
+        
+        [Test]
+        public void ReusingTheSameImageFileShouldBePossible()
+        {
+            var fileName = Path.GetTempFileName() + ".jpg";
+            
+            try
+            {
+                var image = Placeholders.Image(300, 100);
+                
+                using var file = File.Create(fileName);
+                file.Write(image);
+                file.Dispose();
+                
+                RenderingTest
+                    .Create()
+                    .ProducePdf()
+                    .PageSize(PageSizes.A4)
+                    .ShowResults()
+                    .Render(container =>
+                    {
+                        container
+                            .Padding(20)
+                            .Column(column =>
+                            {
+                                column.Spacing(20);
+                                
+                                column.Item().Image(fileName);
+                                column.Item().Image(fileName);
+                                column.Item().Image(fileName);
+                            });
+                    });
+            }
+            finally
+            {
+                File.Delete(fileName);
+            }
+        }
     }
 }

QuestPDF.Examples/RepeatContentExamples.cs

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

QuestPDF.Examples/RowExamples.cs

@@ -105,5 +105,41 @@ namespace QuestPDF.Examples
                         .Row(row => { });
                 });
         }
+        
+        [Test]
+        public void RowElementForRelativeHeightDivision()
+        {
+            RenderingTest
+                .Create()
+                .ProduceImages()
+                .ShowResults()
+                .MaxPages(100)
+                .PageSize(250, 400)
+                .Render(container =>
+                {
+                    container
+                        .Padding(25)
+                        .AlignLeft()
+                        .RotateRight()
+                        .Row(row =>
+                        {
+                            row.Spacing(20);
+
+                            row.RelativeItem(1).Element(Content);
+                            row.RelativeItem(2).Element(Content);
+                            row.RelativeItem(3).Element(Content);
+
+                            void Content(IContainer container)
+                            {
+                                container
+                                    .RotateLeft()
+                                    .Border(1)
+                                    .Background(Placeholders.BackgroundColor())
+                                    .Padding(5)
+                                    .Text(Placeholders.Label());
+                            }
+                        });
+                });
+        }
     }
 }

QuestPDF.Examples/TextExamples.cs

@@ -657,5 +657,37 @@ namespace QuestPDF.Examples
                     });
                 });
         }
+        
+        [Test]
+        public void WordWrappingStability()
+        {
+            // instruction: check if any characters repeat when performing the word-wrapping algorithm
+            
+            RenderingTest
+                .Create()
+                .PageSize(PageSizes.A4)
+                .ProducePdf()
+                .ShowResults()
+                .Render(container =>
+                {
+                    var text = "Lorem ipsum dolor sit amet consectetuer";
+                    
+                    container
+                        .Padding(20)
+                        .Column(column =>
+                        {
+                            column.Spacing(10);
+
+                            foreach (var width in Enumerable.Range(25, 200))
+                            {
+                                column
+                                    .Item()
+                                    .MaxWidth(width)
+                                    .Background(Colors.Grey.Lighten3)
+                                    .Text(text);
+                            }
+                        });
+                });
+        }
     }
 }

QuestPDF/Drawing/DocumentGenerator.cs

@@ -64,16 +64,15 @@ namespace QuestPDF.Drawing
             var container = new DocumentContainer();
             document.Compose(container);
             var content = container.Compose();
-
-            ApplyRepeatContent(content);
             ApplyDefaultTextStyle(content, TextStyle.LibraryDefault);
-            
+            ApplyContentRepeatState(content, false);
+
             var debuggingState = Settings.EnableDebugging ? ApplyDebugging(content) : null;
             
             if (Settings.EnableCaching)
                 ApplyCaching(content);
 
-            var pageContext = new PageContext();
+            var pageContext = new PageContext(); 
             RenderPass(pageContext, new FreeCanvas(), content, debuggingState);
             RenderPass(pageContext, canvas, content, debuggingState);
         }
@@ -83,6 +82,8 @@ namespace QuestPDF.Drawing
         {
             content.VisitChildren(x => x?.Initialize(pageContext, canvas));
             content.VisitChildren(x => (x as IStateResettable)?.ResetState());
+
+            ResetIsRenderedState(content);
             
             canvas.BeginDocument();
 
@@ -162,6 +163,50 @@ namespace QuestPDF.Drawing
 
             return debuggingState;
         }
+        
+        private static void ApplyContentRepeatState(Element? content, bool repeatContent)
+        {
+            if (content == null)
+                return;
+            
+            if (content is IVisual visual)
+                visual.RepeatContent = repeatContent;
+            
+            if (content is TextBlock textBlock)
+            {
+                foreach (var textBlockItem in textBlock.Items)
+                {
+                    if (textBlockItem is TextBlockElement textElement)
+                    {
+                        ApplyContentRepeatState(textElement.Element, true);
+                    }
+                }
+                
+                return;
+            }
+
+            // TODO: apply RepeatState in dynamic content
+            //if (content is DynamicHost dynamicHost)
+            //  dynamicHost.TextStyle = dynamicHost.TextStyle.ApplyGlobalStyle(documentDefaultTextStyle);
+
+            if (content is RepeatContentSetter repeatContentSetter)
+                repeatContent = repeatContentSetter.RepeatContent;
+            
+            foreach (var child in content.GetChildren())
+                ApplyContentRepeatState(child, repeatContent);
+        }
+        
+        private static void ResetIsRenderedState(Element? content)
+        {
+            if (content == null)
+                return;
+            
+            if (content is IVisual visual)
+                visual.IsRendered = false;
+
+            foreach (var child in content.GetChildren())
+                ResetIsRenderedState(child);
+        }
 
         internal static void ApplyDefaultTextStyle(this Element? content, TextStyle documentDefaultTextStyle)
         {
@@ -194,23 +239,5 @@ namespace QuestPDF.Drawing
             foreach (var child in content.GetChildren())
                 ApplyDefaultTextStyle(child, documentDefaultTextStyle);
         }
-        
-        internal static void ApplyRepeatContent(this Element? content, bool enabled = false)
-        {
-            if (content == null)
-                return;
-
-            if (content is RepeatContent repeatContent)
-            {
-                ApplyRepeatContent(repeatContent.Child, repeatContent.Repeat);
-                return;
-            }
-            
-            foreach (var child in content.GetChildren())
-                ApplyRepeatContent(child, enabled);
-            
-            if (!enabled)
-                content.CreateProxy(y => y is IContent ? new ShowOnce { Child = y } : y);
-        }
     }
 }

QuestPDF/Elements/Canvas.cs

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

QuestPDF/Elements/Dynamic.cs

@@ -6,7 +6,7 @@ using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements
 {
-    internal class DynamicHost : Element, IStateResettable, IContent
+    internal class DynamicHost : Element, IStateResettable
     {
         private DynamicComponentProxy Child { get; }
         private object InitialComponentState { get; set; }

QuestPDF/Elements/DynamicImage.cs

@@ -6,31 +6,38 @@ using SkiaSharp;
 
 namespace QuestPDF.Elements
 {
-    internal class DynamicImage : Element, IContent
+    internal class DynamicImage : Element, IVisual
     {
+        public bool IsRendered { get; set; }
+        public bool RepeatContent { get; set; }
+        
         public Func<Size, byte[]>? Source { get; set; }
         
         internal override SpacePlan Measure(Size availableSpace)
         {
-            return availableSpace.IsNegative() 
-                ? SpacePlan.Wrap() 
-                : SpacePlan.FullRender(availableSpace);
+            if (availableSpace.IsNegative())
+                return SpacePlan.Wrap();
+            
+            if (IsRendered && !RepeatContent)
+                return SpacePlan.FullRender(Size.Zero);
+            
+            return SpacePlan.FullRender(availableSpace);
         }
 
         internal override void Draw(Size availableSpace)
         {
+            IsRendered = true;
+            
+            if (availableSpace.Width < Size.Epsilon || availableSpace.Height < Size.Epsilon)
+                return;
+            
             var imageData = Source?.Invoke(availableSpace);
             
             if (imageData == null)
                 return;
 
-            var imageElement = new Image
-            {
-                InternalImage = SKImage.FromEncodedData(imageData)
-            };
-            
-            imageElement.Initialize(PageContext, Canvas);
-            imageElement.Draw(availableSpace);
+            using var image = SKImage.FromEncodedData(imageData);
+            Canvas.DrawImage(image, Position.Zero, availableSpace);
         }
     }
 }

QuestPDF/Elements/Image.cs

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

QuestPDF/Elements/Inlined.cs

@@ -212,7 +212,7 @@ namespace QuestPDF.Elements
                         break;
                     
                     var element = queue.Peek();
-                    var size = element.Measure(Size.Max);
+                    var size = element.Measure(new Size(availableSize.Width, Size.Max.Height));
                     
                     if (size.Type == SpacePlanType.Wrap)
                         break;

QuestPDF/Elements/Line.cs

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

QuestPDF/Elements/RepeatContent.cs

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

QuestPDF/Elements/RepeatContentSetter.cs

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

QuestPDF/Elements/Table/Table.cs

@@ -24,6 +24,7 @@ namespace QuestPDF.Elements.Table
         // inner table: list of all cells that ends at the corresponding row
         private TableCell[][] CellsCache { get; set; }
         private int MaxRow { get; set; }
+        private int MaxRowSpan { get; set; }
         
         internal override void Initialize(IPageContext pageContext, ICanvas canvas)
         {
@@ -56,6 +57,7 @@ namespace QuestPDF.Elements.Table
             if (Cells.Count == 0)
             {
                 MaxRow = 0;
+                MaxRowSpan = 1;
                 CellsCache = Array.Empty<TableCell[]>();
                 
                 return;
@@ -66,6 +68,7 @@ namespace QuestPDF.Elements.Table
                 .ToDictionary(x => x.Key, x => x.OrderBy(x => x.Column).ToArray());
 
             MaxRow = groups.Max(x => x.Key);
+            MaxRowSpan = Cells.Max(x => x.RowSpan);
 
             CellsCache = Enumerable
                 .Range(0, MaxRow + 1)
@@ -199,9 +202,9 @@ namespace QuestPDF.Elements.Table
                         
                         currentRow = cell.Row;
                     }
-
+                    
                     // cell visibility optimizations
-                    if (cell.Row > maxRenderingRow)
+                    if (cell.Row > maxRenderingRow + MaxRowSpan)
                         break;
 
                     // calculate cell position / size
@@ -218,14 +221,14 @@ namespace QuestPDF.Elements.Table
                     {
                         maxRenderingRow = Math.Min(maxRenderingRow, cell.Row + cell.RowSpan - 1);
                     }
-                    
+
                     // corner case: if cell within the row want to wrap to the next page, do not attempt to render this row
                     if (cellSize.Type == SpacePlanType.Wrap)
                     {
                         maxRenderingRow = Math.Min(maxRenderingRow, cell.Row - 1);
                         continue;
                     }
-                    
+
                     // update position of the last row that cell occupies
                     var bottomRow = cell.Row + cell.RowSpan - 1;
                     rowBottomOffsets[bottomRow] = Math.Max(rowBottomOffsets[bottomRow], topOffset + cellSize.Height);

QuestPDF/Elements/Text/FontFallback.cs

@@ -121,7 +121,11 @@ namespace QuestPDF.Elements.Text
         {
             foreach (var textBlockItem in textBlockItems)
             {
-                if (textBlockItem is TextBlockSpan textBlockSpan and not TextBlockPageNumber)
+                if (textBlockItem is TextBlockPageNumber or TextBlockElement)
+                {
+                    yield return textBlockItem;
+                }
+                else if (textBlockItem is TextBlockSpan textBlockSpan)
                 {
                     if (!Settings.CheckIfAllTextGlyphsAreAvailable && textBlockSpan.Style.Fallback == null)
                     {
@@ -130,19 +134,25 @@ namespace QuestPDF.Elements.Text
                     }
                     
                     var textRuns = textBlockSpan.Text.SplitWithFontFallback(textBlockSpan.Style);
-
+                    
                     foreach (var textRun in textRuns)
                     {
-                        yield return new TextBlockSpan
+                        var newElement = textBlockSpan switch
                         {
-                            Text = textRun.Content,
-                            Style = textRun.Style
+                            TextBlockHyperlink hyperlink => new TextBlockHyperlink { Url = hyperlink.Url },
+                            TextBlockSectionLink sectionLink => new TextBlockSectionLink { SectionName = sectionLink.SectionName },
+                            TextBlockSpan => new TextBlockSpan()
                         };
+
+                        newElement.Text = textRun.Content;
+                        newElement.Style = textRun.Style;
+
+                        yield return newElement;
                     }
                 }
                 else
                 {
-                    yield return textBlockItem;
+                    throw new NotSupportedException();
                 }
             }
         }

QuestPDF/Elements/Text/Items/TextBlockSpan.cs

@@ -15,7 +15,7 @@ namespace QuestPDF.Elements.Text.Items
     {
         public string Text { get; set; }
         public TextStyle Style { get; set; } = TextStyle.Default;
-        public TextShapingResult? TextShapingResult { get; set; }
+        private TextShapingResult? TextShapingResult { get; set; }
 
         private Dictionary<(int startIndex, float availableWidth), TextMeasurementResult?> MeasureCache = new ();
         protected virtual bool EnableTextCache => true; 

QuestPDF/Elements/Text/TextBlock.cs

@@ -4,12 +4,16 @@ using System.Linq;
 using QuestPDF.Drawing;
 using QuestPDF.Elements.Text.Calculation;
 using QuestPDF.Elements.Text.Items;
+using QuestPDF.Helpers;
 using QuestPDF.Infrastructure;
 
 namespace QuestPDF.Elements.Text
 {
-    internal class TextBlock : Element, IStateResettable, IContent
+    internal class TextBlock : Element, IVisual, IStateResettable
     {
+        public bool IsRendered { get; set; }
+        public bool RepeatContent { get; set; }
+        
         public HorizontalAlignment Alignment { get; set; } = HorizontalAlignment.Left;
         public List<ITextBlockItem> Items { get; set; } = new List<ITextBlockItem>();
 
@@ -19,7 +23,7 @@ namespace QuestPDF.Elements.Text
         private int CurrentElementIndex { get; set; }
 
         private bool FontFallbackApplied { get; set; } = false;
-        
+
         public void ResetState()
         {
             ApplyFontFallback();
@@ -53,6 +57,12 @@ namespace QuestPDF.Elements.Text
 
         internal override SpacePlan Measure(Size availableSpace)
         {
+            if (availableSpace.IsNegative())
+                return SpacePlan.Wrap();
+            
+            if (IsRendered && !RepeatContent)
+                return SpacePlan.FullRender(Size.Zero);
+
             if (!RenderingQueue.Any())
                 return SpacePlan.FullRender(Size.Zero);
             
@@ -80,6 +90,9 @@ namespace QuestPDF.Elements.Text
 
         internal override void Draw(Size availableSpace)
         {
+            if (IsRendered && !RepeatContent)
+                return;
+
             var lines = DivideTextItemsIntoLines(availableSpace.Width, availableSpace.Height).ToList();
             
             if (!lines.Any())
@@ -136,10 +149,13 @@ namespace QuestPDF.Elements.Text
 
             var lastElementMeasurement = lines.Last().Elements.Last().Measurement;
             CurrentElementIndex = lastElementMeasurement.IsLast ? 0 : lastElementMeasurement.NextIndex;
-            
+
             if (!RenderingQueue.Any())
+            {
                 ResetState();
-            
+                IsRendered = true;
+            }
+
             float GetAlignmentOffset(float lineWidth)
             {
                 if (Alignment == HorizontalAlignment.Left)

QuestPDF/Fluent/DecorationExtensions.cs

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

QuestPDF/Fluent/ElementExtensions.cs

@@ -195,13 +195,5 @@ namespace QuestPDF.Fluent
         {
             return element.Element(new ScaleToFit());
         }
-        
-        public static IContainer RepeatContent(this IContainer element, bool enabled = true)
-        {
-            return element.Element(new RepeatContent
-            {
-                Repeat = enabled
-            });
-        }
     }
 }

QuestPDF/Fluent/LayerExtensions.cs

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

QuestPDF/Fluent/LineExtensions.cs

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

QuestPDF/Fluent/RepeatContentExtensions.cs

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

QuestPDF/Infrastructure/IContent.cs

@@ -1,7 +0,0 @@
-namespace QuestPDF.Infrastructure
-{
-    internal interface IContent
-    {
-        
-    }
-}

QuestPDF/Infrastructure/IVisual.cs

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

QuestPDF/QuestPDF.csproj

@@ -3,7 +3,7 @@
         <Authors>MarcinZiabek</Authors>
         <Company>CodeFlint</Company>
         <PackageId>QuestPDF</PackageId>
-        <Version>2022.9.0</Version>
+        <Version>2022.9.1</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>

QuestPDF/Resources/ReleaseNotes.txt

@@ -4,3 +4,8 @@
 - Significantly reduced memory allocation cost for TextStyle objects,
 - Implemented optional checking if all font glyphs are available,
 - Minor text-rendering optimizations.
+
+2022.9.1
+- Fixed: text hyperlinks do not work when the CheckIfAllTextGlyphsAreAvailable option or text fallback are used,
+- Fixed: cells with RowSpan (greater than 1) are not always displayed properly,
+- Improved predictability of the Inlined element when measuring its children.

readme.md

@@ -17,7 +17,7 @@ It offers a layouting engine designed with a full paging support in mind. The do
 
 Unlike other libraries, it does not rely on the HTML-to-PDF conversion which in many cases is not reliable. Instead, it implements its own layouting engine that is optimized to cover all paging-related requirements.
 
-## Please show the value
+## Please help by giving a star
 
 Choosing a project dependency could be difficult. We need to ensure stability and maintainability of our projects. Surveys show that GitHub stars count play an important factor when assessing library quality. 
 
@@ -47,6 +47,7 @@ Special thanks to all companies that decided to sponsor QuestPDF development. Th
 | Company                                                                              | Description                                                                                                                     |
 |--------------------------------------------------------------------------------------|:--------------------------------------------------------------------------------------------------------------------------------|
 | <img src="Resources/jetbrains-logo.svg" width="100px"> | [JetBrains](https://www.jetbrains.com/) supports this project as part of the OSS Power-Ups program. Thank you!<br/>100$ / month |
+| <img src="https://avatars.githubusercontent.com/u/2712328?v=4" width="100px"> | [Mark Gould](https://github.com/markgould) supports this project. Thank you!<br/>100$ / month |
 
 [![Sponsor project](https://img.shields.io/badge/%E2%9D%A4%EF%B8%8F%20sponsor-QuestPDF-red)](https://github.com/sponsors/QuestPDF)
 
@@ -62,14 +63,14 @@ Install-Package QuestPDF
 dotnet add package QuestPDF
 
 // Package reference in .csproj file
-<PackageReference Include="QuestPDF" Version="2022.6.0" />
+<PackageReference Include="QuestPDF" Version="2022.9.0" />
 ```
 
 [![Nuget version](https://img.shields.io/badge/package%20details-QuestPDF-blue?logo=nuget)](https://www.nuget.org/packages/QuestPDF/)
 
 ## Documentation
 
-[![Getting started tutorial]( https://img.shields.io/badge/%F0%9F%9A%80%20read-getting%20started-blue)](https://www.questpdf.com/getting-started.html)
+[![Getting started tutorial]( https://img.shields.io/badge/%F0%9F%9A%80%20read-getting%20started-blue)](https://www.questpdf.com/getting-started)
 A short and easy to follow tutorial showing how to design an invoice document under 200 lines of code.
 
 
@@ -77,14 +78,14 @@ A short and easy to follow tutorial showing how to design an invoice document un
 A detailed description of behavior of all available components and how to use them with C# Fluent API.
 
 
-[![Patterns and Practices](https://img.shields.io/badge/%E2%9C%A8%20read-patterns%20and%20practices-blue)](https://www.questpdf.com/design-patterns.html)
+[![Patterns and Practices](https://img.shields.io/badge/%E2%9C%A8%20read-patterns%20and%20practices-blue)](https://www.questpdf.com/design-patterns)
 Everything that may help you designing great reports and create reusable code that is easy to maintain.
 
 ## QuestPDF Previewer
 
 The QuestPDF Previewer is a tool designed to simplify and speed up your development lifecycle. First, it shows a preview of your document. But the real magic starts with the hot-reload capability! It observes your code and updates the preview every time you change the implementation. Get real-time results without the need of code recompilation. Save time and enjoy the task!
 
-[![Learn more](https://img.shields.io/badge/%F0%9F%93%96%20Previewer-learn%20more-blue)](https://www.questpdf.com/document-previewer.html)
+[![Learn more](https://img.shields.io/badge/%F0%9F%93%96%20Previewer-learn%20more-blue)](https://www.questpdf.com/document-previewer)
 
 
 <img src="https://github.com/QuestPDF/QuestPDF-Documentation/blob/main/docs/public/previewer/animation.gif?raw=true" width="100%">