protected override void OnSave(Document input, Stream output, SaveConfigToken token, Surface scratchSurface, ProgressEventHandler callback)
        {
            JpegSaveConfigToken jsct = (JpegSaveConfigToken)token;

            ImageCodecInfo    icf   = GdiPlusFileType.GetImageCodecInfo(ImageFormat.Jpeg);
            EncoderParameters parms = new EncoderParameters(1);
            EncoderParameter  parm  = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, jsct.Quality); // force '95% quality'

            parms.Param[0] = parm;

            scratchSurface.Clear(ColorBgra.White);

            using (RenderArgs ra = new RenderArgs(scratchSurface))
            {
                input.Render(ra, true);
            }

            using (Bitmap bitmap = scratchSurface.CreateAliasedBitmap())
            {
                GdiPlusFileType.LoadProperties(bitmap, input);
                bitmap.Save(output, icf, parms);
            }
        }
 protected JpegSaveConfigToken(JpegSaveConfigToken cloneMe)
 {
     this.quality = cloneMe.quality;
 }
 protected JpegSaveConfigToken(JpegSaveConfigToken cloneMe)
 {
     this.quality = cloneMe.quality;
 }