public void ToStream(Stream output, string format, int qualityPercent = 100)
{
BitmapEncoder encoder = EncoderSelector.GetEncoder(format);
JpegBitmapEncoder jpegEncoder = encoder as JpegBitmapEncoder;
if (jpegEncoder != null)
{
jpegEncoder.QualityLevel = qualityPercent;
}
else if (qualityPercent != 100)
{
throw new ArgumentException("Can't change quality for this format");
}
encoder.Frames.Add(BitmapFrame.Create(Target));
encoder.Save(output);
}
public unsafe void ToStream(Stream output, string format)
{
format = format.ToLower().Replace(".", "");
if (format != "gif") // TODO: Can't set delay to BitmapEncoder
{
BitmapEncoder encoder = EncoderSelector.GetEncoder(format);
foreach (IImage image in this)
{
BitmapSource bitmapSource = image.ToBitmapSource();
encoder.Frames.Add(BitmapFrame.Create(bitmapSource));
}
encoder.Save(output);
}
else
{
AnimatedGifEncoder encoder = new AnimatedGifEncoder();
encoder.SetQuality(100);
encoder.SetRepeat(0);
encoder.Start(output);
foreach (IImage image in this)
{
IntPtr ptr = (IntPtr)image.BeginPixelWorking(false);
Bitmap frame = new Bitmap(image.Width, image.Height, image.Width * 4,
System.Drawing.Imaging.PixelFormat.Format32bppPArgb, ptr);
image.EndPixelWorking();
encoder.SetDelay(image.AnimationDelay);
encoder.AddFrame(frame);
frame.Dispose();
}
encoder.Finish();
}
}
