protected override bool IsReflexive(PropertyBasedSaveConfigToken token)
{
PngBitDepthUIChoices bitDepth = (PngBitDepthUIChoices)token.GetProperty <StaticListChoiceProperty>(PropertyNames.BitDepth).Value;
// Only 32-bit is reflexive
return(bitDepth == PngBitDepthUIChoices.Bpp32);
}
internal override Set <SavableBitDepths> CreateAllowedBitDepthListFromToken(PropertyBasedSaveConfigToken token)
{
PngBitDepthUIChoices bitDepthFromToken = (PngBitDepthUIChoices)token.GetProperty <StaticListChoiceProperty>(PropertyNames.BitDepth).Value;
Set <SavableBitDepths> bitDepths = new Set <SavableBitDepths>();
switch (bitDepthFromToken)
{
case PngBitDepthUIChoices.AutoDetect:
bitDepths.AddRange(SavableBitDepths.Rgb24, SavableBitDepths.Rgb8, SavableBitDepths.Rgba32, SavableBitDepths.Rgba8);
break;
case PngBitDepthUIChoices.Bpp24:
bitDepths.AddRange(SavableBitDepths.Rgb24);
break;
case PngBitDepthUIChoices.Bpp32:
bitDepths.AddRange(SavableBitDepths.Rgba32);
break;
case PngBitDepthUIChoices.Bpp8:
bitDepths.AddRange(SavableBitDepths.Rgb8, SavableBitDepths.Rgba8);
break;
default:
throw new InvalidEnumArgumentException("bitDepthFromToken", (int)bitDepthFromToken, typeof(PngBitDepthUIChoices));
}
return(bitDepths);
}
protected override void OnSaveT(Document input, Stream output, PropertyBasedSaveConfigToken token, Surface scratchSurface, ProgressEventHandler progressCallback)
{
int quality = token.GetProperty <Int32Property>(PropertyNames.Quality).Value;
ImageCodecInfo icf = GdiPlusFileType.GetImageCodecInfo(ImageFormat.Jpeg);
EncoderParameters parms = new EncoderParameters(1);
EncoderParameter parm = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality);
parms.Param[0] = parm;
scratchSurface.Clear(ColorBgra.White);
using (RenderArgs ra = new RenderArgs(scratchSurface))
{
input.Render(ra, false);
}
using (Bitmap bitmap = scratchSurface.CreateAliasedBitmap())
{
GdiPlusFileType.LoadProperties(bitmap, input);
bitmap.Save(output, icf, parms);
}
}
internal override int GetDitherLevelFromToken(PropertyBasedSaveConfigToken token)
{
int ditherLevel = token.GetProperty <Int32Property>(PropertyNames.DitherLevel).Value;
return(ditherLevel);
}
internal override int GetThresholdFromToken(PropertyBasedSaveConfigToken token)
{
int threshold = token.GetProperty <Int32Property>(PropertyNames.Threshold).Value;
return(threshold);
}
