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Code Issues Projects Releases Packages Wiki Activity Actions 2

style: use custom RevisionImageFileView to preview images.

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This commit is contained in:
leo 2024-03-28 17:20:19 +08:00
parent 4651f306c3
commit 760d64c39c
2 changed files with 92 additions and 1 deletions
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6
src/SourceGit/Views/RevisionFiles.axaml
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@ -92,7 +92,11 @@
</DataTemplate>
<DataTemplate DataType="m:RevisionImageFile">
<Image Source="{Binding Image}" Margin="8"/>
<Border Background="{DynamicResource Brush.Window}" Effect="drop-shadow(0 0 8 #A0000000)" Margin="0,8" VerticalAlignment="Center" HorizontalAlignment="Center">
<Border BorderThickness="1" BorderBrush="{DynamicResource Brush.Border1}" Margin="8">
<v:RevisionImageFileView Source="{Binding Image}"/>
</Border>
</Border>
</DataTemplate>
<DataTemplate DataType="m:RevisionLFSObject">

87
src/SourceGit/Views/RevisionFiles.axaml.cs
View file

@ -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<Bitmap> SourceProperty =
AvaloniaProperty.Register<ImageDiffView, Bitmap>(nameof(Source), null);
public Bitmap Source
{
get => GetValue(SourceProperty);
set => SetValue(SourceProperty, value);
}
static RevisionImageFileView()
{
AffectsMeasure<RevisionImageFileView>(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);