public static void SetColorContexts(this IWICBitmapEncoder encoder, IEnumerable <IWICColorContext> contexts)
{
if (encoder == null)
{
throw new ArgumentNullException(nameof(encoder));
}
encoder.SetColorContexts((contexts?.Count()).GetValueOrDefault(), contexts?.ToArray()).ThrowOnError();
}
protected override bool ProcessEncoder(MainForm form, IWICBitmapEncoder encoder, object tag)
{
IWICImagingFactory factory = (IWICImagingFactory) new WICImagingFactory();
IWICBitmap bitmap = factory.CreateBitmap(16, 16, Consts.GUID_WICPixelFormat32bppBGRA, WICBitmapCreateCacheOption.WICBitmapCacheOnLoad);
IWICPalette palette = factory.CreatePalette();
palette.InitializePredefined(WICBitmapPaletteType.WICBitmapPaletteTypeFixedBW, false);
IWICColorContext context = factory.CreateColorContext();
context.InitializeFromExifColorSpace(ExifColorSpace.sRGB);
ComponentInfoHelper.CheckEquals <IWICBitmapEncoderInfo>(form, encoder.GetEncoderInfo, this, Extensions.CompareInfos);
Check(form, encoder.SetPalette, palette);
Check(form, encoder.SetThumbnail, bitmap);
Check(form, encoder.SetPreview, bitmap);
try
{
encoder.SetColorContexts(1, new IWICColorContext[] { context });
}
catch (Exception e)
{
form.CheckHRESULT(this, WinCodecError.WINCODEC_ERR_UNSUPPORTEDOPERATION, e);
}
try
{
encoder.Commit();
form.Add(this, string.Format(CultureInfo.CurrentUICulture, Resources._0_ShouldFail, "IWICBitmapEncoder::Commit(...)"), new DataEntry(Resources.FrameCount, 0));
}
catch (Exception e)
{
form.CheckHRESULT(this, WinCodecError.WINCODEC_ERR_FRAMEMISSING, e, new DataEntry(Resources.FrameCount, 0));
}
palette.ReleaseComObject();
bitmap.ReleaseComObject();
factory.ReleaseComObject();
context.ReleaseComObject();
return(base.ProcessEncoder(form, encoder, tag));
}