private void SetZoom(Point pixelOffset, double zoomFactorOffset, Point pixelZoomPoint)
{
FileSystemImage fileImage = viewModel.CurrentImage;
BitmapSource img = fileImage?.Image;
if (img == null)
{
return;
}
Rect rect = fileImage.CropRect ?? new Rect(0, 0, img.PixelWidth, img.PixelHeight);
double zoomFactor = Math.Max(img.PixelWidth / rect.Width, img.PixelHeight / rect.Height);
if (zoomFactor * zoomFactorOffset > maxZoomFactor)
{
return;
}
pixelOffset.X /= imgCurrent.ActualWidth;
pixelOffset.Y /= imgCurrent.ActualHeight;
pixelZoomPoint.X = rect.X + pixelZoomPoint.X / imgCurrent.ActualWidth * rect.Width;
pixelZoomPoint.Y = rect.Y + pixelZoomPoint.Y / imgCurrent.ActualHeight * rect.Height;
fileImage.CropRect = Zoom(gidImage.ActualWidth / gidImage.ActualHeight,
rect, pixelOffset, zoomFactorOffset, pixelZoomPoint);
}
private static void CopyToClipboard(FileSystemImage image)
{
try
{
if (image?.Image != null)
{
Clipboard.SetImage(image.Image);
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Copy file drop error", MessageBoxButton.OK, MessageBoxImage.Error);
}
try
{
if (image?.File == null)
{
return;
}
StringCollection dropList = new StringCollection {
image.File.FullName
};
Clipboard.SetFileDropList(dropList);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Copy file drop error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void BtnInfo_Click(object sender, RoutedEventArgs e)
{
FileSystemImage img = viewModel.CurrentImage;
BitmapSource crop = (BitmapSource)img?.CroppedImage;
string text =
$"Image: {img?.Image?.PixelWidth} x {img?.Image?.PixelHeight}\r\n" +
$"Crop: {crop?.PixelWidth ?? -1} x {crop?.PixelHeight ?? -1}\r\n" +
$"Size: {StdUtils.GetFormattedFileSize(img?.File.Length ?? -1)}";
MessageBox.Show(text);
}