protected override TaskOutput Execute(TaskInput input, ITaskContext context)
{
foreach (var file in input.Files)
{
Rectangle cropRectangle;
bool cropped = false;
if (TryGetCropRectangle(file, out cropRectangle))
{
try
{
using (var readStream = new FileStream(file.Path, FileMode.Open))
{
using (var reader = FormatManager.CreateFormatReader(readStream))
{
using (var frame = reader.LoadFrame(0))
{
if ((cropRectangle.X > 0 || cropRectangle.Y > 0) && (cropRectangle.Width < frame.Width || cropRectangle.Height < frame.Height))
{
using (var resultBitmap = new Bitmap(frame.Width, frame.Height, Aurigma.GraphicsMill.PixelFormat.Format32bppArgb))
{
frame.GetBitmap(resultBitmap);
resultBitmap.Transforms.Crop(cropRectangle);
if (reader.MediaFormat == FormatManager.JpegFormat)
{
resultBitmap.Save(file.Path + ".tmp", new JpegEncoderOptions(95, false));
}
else
{
resultBitmap.Save(file.Path + ".tmp", FormatManager.CreateEncoderOptions(reader.MediaFormat));
}
}
cropped = true;
}
}
}
}
if (cropped)
{
File.Delete(file.Path);
File.Move(file.Path + ".tmp", file.Path);
}
}
catch (Exception ex)
{
Logger.ErrorException(string.Format("Error acquired while cropping file {0}", file.Path), ex);
}
}
}
return(new TaskOutput(input.Files, input.Params));
}
