chuan/Ursa.Avalonia
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fix: use bool to improve performance.

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This commit is contained in:
rabbitism
2023-07-31 17:32:02 +08:00
parent 0b9f920b59
commit 85f67a9c61
1 changed files with 5 additions and 2 deletions
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7
src/Ursa/Controls/ImageViewer/ImageViewer.cs
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@@ -21,6 +21,7 @@ public class ImageViewer: TemplatedControl
private VisualLayerManager? _layer;
private Point? _lastClickPoint;
private Point? _lastlocation;
private bool _moving;
public static readonly StyledProperty<Control?> OverlayerProperty = AvaloniaProperty.Register<ImageViewer, Control?>(
nameof(Overlayer));
@@ -83,7 +84,7 @@ public class ImageViewer: TemplatedControl
private void OnTranslateYChanged(AvaloniaPropertyChangedEventArgs args)
{
if (PseudoClasses.Contains(PC_Moving)) return;
if (_moving) return;
var newValue = args.GetNewValue<double>();
if (_lastlocation is not null)
{
@@ -97,7 +98,7 @@ public class ImageViewer: TemplatedControl
private void OnTranslateXChanged(AvaloniaPropertyChangedEventArgs args)
{
if (PseudoClasses.Contains(PC_Moving)) return;
if (_moving) return;
var newValue = args.GetNewValue<double>();
if (_lastlocation is not null)
{
@@ -189,6 +190,7 @@ public class ImageViewer: TemplatedControl
base.OnPointerPressed(e);
e.Pointer.Capture(this);
_lastClickPoint = e.GetPosition(this);
_moving = true;
}
protected override void OnPointerReleased(PointerReleasedEventArgs e)
@@ -197,5 +199,6 @@ public class ImageViewer: TemplatedControl
e.Pointer.Capture(null);
_lastlocation = new Point(TranslateX, TranslateY);
PseudoClasses.Set(PC_Moving, false);
_moving = false;
}
}