/// <summary>
/// This method will resize the in-memory image using a fixed ratio
/// </summary>
private void ImageSizeChanged(ResizeModes resizeMode)
{
var image = ImagePreview.Source as BitmapSource;
if (image == null)
{
return;
}
Dispatcher.InvokeAsync(() =>
{
if (ImageHeight == (int)image.Height && ImageWidth == (int)image.Width)
{
return;
}
using (var bitmap = WindowUtilities.BitmapSourceToBitmap(ImagePreview.Source as BitmapSource))
{
if (bitmap == null)
{
StatusBar.ShowStatusError("No image to resize.");
return;
}
if (ImageWidth != bitmap.Width && ImageHeight != bitmap.Height)
{
return;
}
Bitmap bitmap2;
using (bitmap2 = ImageResizer.ResizeImageByMode(bitmap, ImageWidth, ImageHeight, resizeMode))
{
if (bitmap2 != null)
{
Debug.WriteLine($"ImageSizeChanged from: {ImageWidth} x {ImageHeight} to: {bitmap2.Width} x {bitmap2.Height}");
ImageWidth = bitmap2.Width;
ImageHeight = bitmap2.Height;
var bmpSource = WindowUtilities.BitmapToBitmapSource(bitmap2);
WindowUtilities.DoEvents();
ImagePreview.Source = bmpSource;
Dispatcher.InvokeAsync(() => ResizeImagePreviewControl(bmpSource),
DispatcherPriority.ApplicationIdle);
}
}
}
}, DispatcherPriority.ApplicationIdle);
}