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defaultMinScale

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This commit is contained in:
杨劼
2024-05-30 17:02:53 +08:00
parent 4239a4ffe2
commit 2d2cecbc74
1 changed files with 8 additions and 6 deletions
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14
src/Ursa/Controls/ImageViewer/ImageViewer.cs
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@@ -101,7 +101,9 @@ public class ImageViewer: TemplatedControl
set => SetValue(StretchProperty, value); set => SetValue(StretchProperty, value);
} }
private double _minScale = 0.1; private double _minScale = 0.5;
private const double defaultMinScale = 0.1;
static ImageViewer() static ImageViewer()
{ {
@@ -163,7 +165,7 @@ public class ImageViewer: TemplatedControl
_image.Height = size.Height; _image.Height = size.Height;
} }
Scale = GetScaleRatio(width/size.Width, height/size.Height, this.Stretch); Scale = GetScaleRatio(width/size.Width, height/size.Height, this.Stretch);
_minScale = Math.Min(width * 0.1 / size.Width, height * 0.1 / size.Height); _minScale = Math.Min(width * defaultMinScale / size.Width, height * defaultMinScale / size.Height);
} }
private void OnStretchChanged(AvaloniaPropertyChangedEventArgs args) private void OnStretchChanged(AvaloniaPropertyChangedEventArgs args)
@@ -172,11 +174,11 @@ public class ImageViewer: TemplatedControl
Scale = GetScaleRatio(Width / _image!.Width, Height / _image!.Height, stretch); Scale = GetScaleRatio(Width / _image!.Width, Height / _image!.Height, stretch);
if(_image is { }) if(_image is { })
{ {
_minScale = Math.Min(Width * 0.1 / _image.Width, Height * 0.1 / _image.Height); _minScale = Math.Min(Width * defaultMinScale / _image.Width, Height * defaultMinScale / _image.Height);
} }
else else
{ {
_minScale = 0.1; _minScale = defaultMinScale;
} }
} }
@@ -214,11 +216,11 @@ public class ImageViewer: TemplatedControl
_image.Width = size.Width; _image.Width = size.Width;
_image.Height = size.Height; _image.Height = size.Height;
Scale = GetScaleRatio(width/size.Width, height/size.Height, this.Stretch); Scale = GetScaleRatio(width/size.Width, height/size.Height, this.Stretch);
_minScale = Math.Min(width * 0.1 / size.Width, height * 0.1 / size.Height); _minScale = Math.Min(width * defaultMinScale / size.Width, height * defaultMinScale / size.Height);
} }
else else
{ {
_minScale = 0.1; _minScale = defaultMinScale;
} }
} }