diff --git a/src/SourceGit/Views/RevisionFiles.axaml b/src/SourceGit/Views/RevisionFiles.axaml index 3aff7689..38ff8c26 100644 --- a/src/SourceGit/Views/RevisionFiles.axaml +++ b/src/SourceGit/Views/RevisionFiles.axaml @@ -92,7 +92,11 @@ - + + + + + diff --git a/src/SourceGit/Views/RevisionFiles.axaml.cs b/src/SourceGit/Views/RevisionFiles.axaml.cs index 80fcbc84..5869c158 100644 --- a/src/SourceGit/Views/RevisionFiles.axaml.cs +++ b/src/SourceGit/Views/RevisionFiles.axaml.cs @@ -5,6 +5,8 @@ using Avalonia.Controls; using Avalonia.Controls.Primitives; using Avalonia.Interactivity; using Avalonia.Media; +using Avalonia.Media.Imaging; +using Avalonia.Styling; using AvaloniaEdit; using AvaloniaEdit.Document; @@ -13,6 +15,91 @@ using AvaloniaEdit.TextMate; namespace SourceGit.Views { + public class RevisionImageFileView : Control + { + public static readonly StyledProperty SourceProperty = + AvaloniaProperty.Register(nameof(Source), null); + + public Bitmap Source + { + get => GetValue(SourceProperty); + set => SetValue(SourceProperty, value); + } + + static RevisionImageFileView() + { + AffectsMeasure(SourceProperty); + } + + public override void Render(DrawingContext context) + { + base.Render(context); + + var bgMaskBrush = new SolidColorBrush(ActualThemeVariant == ThemeVariant.Dark ? 0xFF404040 : 0xFFBBBBBB); + + var bg = new DrawingGroup() + { + Children = + { + new GeometryDrawing() { Brush = bgMaskBrush, Geometry = new RectangleGeometry(new Rect(0, 0, 12, 12)) }, + new GeometryDrawing() { Brush = bgMaskBrush, Geometry = new RectangleGeometry(new Rect(12, 12, 12, 12)) }, + } + }; + + var brushBG = new DrawingBrush(bg) + { + AlignmentX = AlignmentX.Left, + AlignmentY = AlignmentY.Top, + DestinationRect = new RelativeRect(new Size(24, 24), RelativeUnit.Absolute), + Stretch = Stretch.None, + TileMode = TileMode.Tile, + }; + + context.FillRectangle(brushBG, new Rect(Bounds.Size)); + + var source = Source; + if (source != null) + { + context.DrawImage(source, new Rect(source.Size), new Rect(8, 8, Bounds.Width - 16, Bounds.Height - 16)); + } + } + + protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change) + { + base.OnPropertyChanged(change); + if (change.Property.Name == "ActualThemeVariant") InvalidateVisual(); + } + + protected override Size MeasureOverride(Size availableSize) + { + var source = Source; + if (source == null) + { + return availableSize; + } + + var w = availableSize.Width - 16; + var h = availableSize.Height - 16; + var size = source.Size; + if (size.Width <= w) + { + if (size.Height <= h) + { + return new Size(size.Width + 16, size.Height + 16); + } + else + { + return new Size(h * size.Width / size.Height + 16, availableSize.Height); + } + } + else + { + var scale = Math.Max(size.Width / w, size.Height / h); + return new Size(size.Width / scale + 16, size.Height / scale + 16); + } + } + } + public class RevisionTextFileView : TextEditor { protected override Type StyleKeyOverride => typeof(TextEditor);