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kwai
2023-02-14 18:58:26 +08:00
parent dfe76438c2
commit d6e84d40c0
7 changed files with 69 additions and 39 deletions
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23
AIStudio.Wpf.DiagramDesigner/Controls/ZoomBox.cs
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@@ -24,24 +24,7 @@ namespace AIStudio.Wpf.DiagramDesigner
}
public static readonly DependencyProperty ScrollViewerProperty =
DependencyProperty.Register(nameof(ScrollViewer), typeof(ScrollViewer), typeof(ZoomBox), new FrameworkPropertyMetadata(null,
new PropertyChangedCallback(OnScrollViewerChanged)));
private static void OnScrollViewerChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ZoomBox target = (ZoomBox)d;
ScrollViewer oldvalue = (ScrollViewer)e.OldValue;
ScrollViewer newvalue = (ScrollViewer)e.NewValue;
target.OnScrollViewerChanged(oldvalue, newvalue);
}
protected virtual void OnScrollViewerChanged(ScrollViewer oldvalue, ScrollViewer newvalue)
{
if (newvalue != null)
{
DesignerCanvas = VisualHelper.FindChild<DesignerCanvas>(newvalue);
}
}
DependencyProperty.Register(nameof(ScrollViewer), typeof(ScrollViewer), typeof(ZoomBox));
#endregion
#region DesignerCanvas
@@ -154,8 +137,8 @@ namespace AIStudio.Wpf.DiagramDesigner
double scale, xOffset, yOffset;
this.InvalidateScale(out scale, out xOffset, out yOffset);
this.zoomThumb.Width = this.ScrollViewer.ViewportWidth * scale;
this.zoomThumb.Height = this.ScrollViewer.ViewportHeight * scale;
this.zoomThumb.Width = (this.ScrollViewer.ViewportWidth) * scale;
this.zoomThumb.Height = (this.ScrollViewer.ViewportHeight) * scale;
Canvas.SetLeft(this.zoomThumb, xOffset + this.ScrollViewer.HorizontalOffset * scale);
Canvas.SetTop(this.zoomThumb, yOffset + this.ScrollViewer.VerticalOffset * scale);
}