private void PreviewSizeChanged(object sender, SizeChangedEventArgs e)
{
var image = ImageCanvas.Source;
if (null == image || !DownScaleImage.Get <bool>())
{
return;
}
SetImageScaleMode(image.Width > e.NewSize.Width || image.Height > e.NewSize.Height);
}
private void ApplyDownScaleSetting()
{
bool image_need_scale = DownScaleImage.Get <bool>();
if (image_need_scale && ImageCanvas.Source != null)
{
var image = ImageCanvas.Source;
image_need_scale = image.Width > ImageView.ActualWidth || image.Height > ImageView.ActualHeight;
}
SetImageScaleMode(image_need_scale);
}
