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synced 2024-12-23 20:47:25 -08:00
performance: do NOT re-create background brush if there exists one
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parent
eb4f38b676
commit
c2eedbdbf2
2 changed files with 64 additions and 46 deletions
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@ -45,19 +45,19 @@ namespace SourceGit.Views
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public override void Render(DrawingContext context)
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{
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var alpha = Alpha;
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var bgMaskBrush = new SolidColorBrush(ActualThemeVariant == ThemeVariant.Dark ? 0xFF404040 : 0xFFBBBBBB);
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if (_bgBrush == null)
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{
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var maskBrush = new SolidColorBrush(ActualThemeVariant == ThemeVariant.Dark ? 0xFF404040 : 0xFFBBBBBB);
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var bg = new DrawingGroup()
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{
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Children =
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{
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new GeometryDrawing() { Brush = bgMaskBrush, Geometry = new RectangleGeometry(new Rect(0, 0, 12, 12)) },
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new GeometryDrawing() { Brush = bgMaskBrush, Geometry = new RectangleGeometry(new Rect(12, 12, 12, 12)) },
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new GeometryDrawing() { Brush = maskBrush, Geometry = new RectangleGeometry(new Rect(0, 0, 12, 12)) },
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new GeometryDrawing() { Brush = maskBrush, Geometry = new RectangleGeometry(new Rect(12, 12, 12, 12)) },
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}
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};
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var brushBG = new DrawingBrush(bg)
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_bgBrush = new DrawingBrush(bg)
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{
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AlignmentX = AlignmentX.Left,
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AlignmentY = AlignmentY.Top,
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@ -65,33 +65,42 @@ namespace SourceGit.Views
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Stretch = Stretch.None,
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TileMode = TileMode.Tile,
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};
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}
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context.FillRectangle(brushBG, new Rect(Bounds.Size));
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context.FillRectangle(_bgBrush, new Rect(Bounds.Size));
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var alpha = Alpha;
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var w = Bounds.Width - 16;
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var h = Bounds.Height - 16;
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var x = w * alpha;
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var left = OldImage;
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if (left != null && alpha > 0)
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{
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var src = new Rect(0, 0, left.Size.Width * Alpha, left.Size.Height);
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var dst = new Rect(8, 8, (Bounds.Width - 16) * Alpha, Bounds.Height - 16);
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var src = new Rect(0, 0, left.Size.Width * alpha, left.Size.Height);
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var dst = new Rect(8, 8, x, h);
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context.DrawImage(left, src, dst);
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}
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var right = NewImage;
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if (right != null)
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if (right != null && alpha < 1)
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{
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var src = new Rect(right.Size.Width * Alpha, 0, right.Size.Width - right.Size.Width * Alpha, right.Size.Height);
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var dst = new Rect((Bounds.Width - 16) * Alpha + 8, 8, (Bounds.Width - 16) * (1 - Alpha), Bounds.Height - 16);
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var src = new Rect(right.Size.Width * alpha, 0, right.Size.Width * (1 - alpha), right.Size.Height);
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var dst = new Rect(x + 8, 8, w - x, h);
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context.DrawImage(right, src, dst);
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}
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var x = (Bounds.Width - 16) * Alpha + 8;
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context.DrawLine(new Pen(Brushes.DarkGreen, 2), new Point(x, 0), new Point(x, Bounds.Height));
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context.DrawLine(new Pen(Brushes.DarkGreen, 2), new Point(x + 8, 0), new Point(x + 8, Bounds.Height));
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}
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protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
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{
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base.OnPropertyChanged(change);
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if (change.Property.Name == "ActualThemeVariant") InvalidateVisual();
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if (change.Property.Name == "ActualThemeVariant")
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{
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_bgBrush = null;
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InvalidateVisual();
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}
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}
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protected override Size MeasureOverride(Size availableSize)
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@ -135,6 +144,8 @@ namespace SourceGit.Views
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return new Size(img.Width / s + 16, img.Height / s + 16);
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}
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}
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private DrawingBrush _bgBrush = null;
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}
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public partial class DiffView : UserControl
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@ -33,20 +33,19 @@ namespace SourceGit.Views
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public override void Render(DrawingContext context)
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{
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base.Render(context);
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var bgMaskBrush = new SolidColorBrush(ActualThemeVariant == ThemeVariant.Dark ? 0xFF404040 : 0xFFBBBBBB);
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if (_bgBrush == null)
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{
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var maskBrush = new SolidColorBrush(ActualThemeVariant == ThemeVariant.Dark ? 0xFF404040 : 0xFFBBBBBB);
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var bg = new DrawingGroup()
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{
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Children =
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{
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new GeometryDrawing() { Brush = bgMaskBrush, Geometry = new RectangleGeometry(new Rect(0, 0, 12, 12)) },
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new GeometryDrawing() { Brush = bgMaskBrush, Geometry = new RectangleGeometry(new Rect(12, 12, 12, 12)) },
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new GeometryDrawing() { Brush = maskBrush, Geometry = new RectangleGeometry(new Rect(0, 0, 12, 12)) },
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new GeometryDrawing() { Brush = maskBrush, Geometry = new RectangleGeometry(new Rect(12, 12, 12, 12)) },
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}
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};
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var brushBG = new DrawingBrush(bg)
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_bgBrush = new DrawingBrush(bg)
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{
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AlignmentX = AlignmentX.Left,
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AlignmentY = AlignmentY.Top,
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@ -54,8 +53,9 @@ namespace SourceGit.Views
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Stretch = Stretch.None,
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TileMode = TileMode.Tile,
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};
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}
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context.FillRectangle(brushBG, new Rect(Bounds.Size));
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context.FillRectangle(_bgBrush, new Rect(Bounds.Size));
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var source = Source;
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if (source != null)
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@ -67,7 +67,12 @@ namespace SourceGit.Views
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protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
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{
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base.OnPropertyChanged(change);
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if (change.Property.Name == "ActualThemeVariant") InvalidateVisual();
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if (change.Property.Name == "ActualThemeVariant")
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{
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_bgBrush = null;
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InvalidateVisual();
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}
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}
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protected override Size MeasureOverride(Size availableSize)
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@ -98,6 +103,8 @@ namespace SourceGit.Views
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return new Size(size.Width / scale + 16, size.Height / scale + 16);
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}
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}
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private DrawingBrush _bgBrush = null;
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}
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public class RevisionTextFileView : TextEditor
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