private bool CheckConvertion(MainForm form, IWICFormatConverterInfo info, Guid from, Guid to)
{
if (from == to)
{
return(true);
}
IWICImagingFactory factory = (IWICImagingFactory) new WICImagingFactory();
IWICPalette palette = factory.CreatePalette();
palette.InitializePredefined(WICBitmapPaletteType.WICBitmapPaletteTypeFixedBW, false);
IWICBitmap bitmap = null;
IWICFormatConverter converter = null;
try
{
try
{
converter = info.CreateInstance();
}
catch (Exception e)
{
form.Add(this, e.TargetSite.ToString(Resources._0_Failed), new DataEntry(e));
return(false);
}
try
{
bitmap = factory.CreateBitmap(1, 1, from, WICBitmapCreateCacheOption.WICBitmapCacheOnLoad);
bitmap.SetPalette(palette);
}
catch (Exception e)
{
form.Add(this, e.TargetSite.ToString(Resources._0_Failed), new DataEntry(e), new DataEntry(Resources.PixelFormat, from));
return(false);
}
try
{
converter.Initialize(bitmap, to, WICBitmapDitherType.WICBitmapDitherTypeNone, palette, 0, WICBitmapPaletteType.WICBitmapPaletteTypeCustom);
}
catch (Exception e)
{
form.CheckHRESULT(this, WinCodecError.WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT, e, new DataEntry(Resources.Source, from), new DataEntry(Resources.Destination, to));
return(false);
}
return(true);
}
finally
{
palette.ReleaseComObject();
converter.ReleaseComObject();
bitmap.ReleaseComObject();
factory.ReleaseComObject();
}
}
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));
}
protected override bool ProcessEncoder(MainForm form, IWICBitmapEncoder encoder, object tag)
{
IWICImagingFactory factory = (IWICImagingFactory) new WICImagingFactory();
IWICBitmap bitmap = factory.CreateBitmap(1, 1, Consts.GUID_WICPixelFormat128bpp7ChannelsAlpha, WICBitmapCreateCacheOption.WICBitmapCacheOnLoad);
IWICBitmapFrameEncode frame = null;
try
{
try
{
encoder.CreateNewFrame(out frame, null);
}
catch (Exception e)
{
form.Add(this, e.TargetSite.ToString(Resources._0_Failed), new DataEntry(e));
}
if (frame != null)
{
try
{
frame.Initialize(null);
}
catch (Exception e)
{
form.Add(this, e.TargetSite.ToString(Resources._0_Failed, "NULL"), new DataEntry(e));
frame.ReleaseComObject();
frame = null;
}
}
if (frame != null)
{
try
{
frame.WriteSource(bitmap, null);
}
catch (Exception e)
{
form.Add(this, e.TargetSite.ToString(Resources._0_Failed, "..., NULL"), new DataEntry(e));
frame.ReleaseComObject();
frame = null;
}
}
if (frame != null)
{
try
{
frame.Commit();
encoder.Commit();
}
catch (Exception e)
{
form.Add(this, e.TargetSite.ToString(Resources._0_Failed), new DataEntry(e));
}
}
}
finally
{
frame.ReleaseComObject();
bitmap.ReleaseComObject();
factory.ReleaseComObject();
}
return(base.ProcessEncoder(form, encoder, tag));
}
