private Stream EncodeBitmap(Bitmap1 bitmap, Guid containerFormat)
{
using (var bitmapEncoder = new BitmapEncoder(WicFactory, containerFormat))
{
var memoryStream = new MemoryStream();
bitmapEncoder.Initialize(memoryStream);
using (var frameEncode = new BitmapFrameEncode(bitmapEncoder))
{
frameEncode.Initialize();
var wicPixelFormat = ImagePixelFormat;
frameEncode.SetPixelFormat(ref wicPixelFormat);
var imageParams = new ImageParameters()
{
PixelFormat = DevicePixelFormat,
DpiX = Dpi,
DpiY = Dpi,
PixelWidth = bitmap.PixelSize.Width,
PixelHeight = bitmap.PixelSize.Height
};
WicImageEncoder.WriteFrame(bitmap, frameEncode, imageParams);
frameEncode.Commit();
bitmapEncoder.Commit();
}
memoryStream.Position = 0;
return(memoryStream);
}
}
public WicAnimatedGifEncoder(PipelineContext ctx, WicImageEncoder enc)
{
this.ctx = ctx;
encoder = enc;
lastSource = ctx.Source;
lastFrame = ctx.ImageContainer.FrameCount - 1;
EncodeFrame = new BufferFrame(lastSource.Width, lastSource.Height, lastSource.Format);
for (int i = 0; i < frames.Length; i++)
{
frames[i] = new BufferFrame(lastSource.Width, lastSource.Height, lastSource.Format);
}
loadFrame(Current);
Current.Source.Span.CopyTo(EncodeFrame.Source.Span);
moveToFrame(1);
loadFrame(Next !);
}