private static Dictionary <Guid, WicImagingComponent> LoadAllComponents()
{
var dic = new Dictionary <Guid, WicImagingComponent>();
WICImagingFactory.WithFactory(f =>
{
foreach (var component in f.EnumerateComponents(WICComponentType.WICAllComponents, WICComponentEnumerateOptions.WICComponentEnumerateDefault))
{
component.Object.GetComponentType(out var type);
WicImagingComponent ic;
switch (type)
{
case WICComponentType.WICPixelFormat:
ic = new WicPixelFormat(component);
break;
case WICComponentType.WICEncoder:
ic = new WicEncoder(component);
break;
case WICComponentType.WICDecoder:
ic = new WicDecoder(component);
break;
case WICComponentType.WICPixelFormatConverter:
var converter = new WicPixelFormatConverter(component);
ic = converter;
break;
case WICComponentType.WICMetadataReader:
var reader = new WicMetadataReader(component);
ic = reader;
break;
case WICComponentType.WICMetadataWriter:
var writer = new WicMetadataWriter(component);
ic = writer;
break;
default:
ic = new WicImagingComponent(component);
break;
}
dic.Add(ic.Clsid, ic);
//WicEncoder.CreateBuiltIn();
//WicDecoder.CreateBuiltIn();
component.Dispose();
}
});
return(dic);
}
private IReadOnlyList <WicPixelFormat> GetPixelFormatsList()
{
var list = new List <WicPixelFormat>();
foreach (Guid pf in PixelFormats)
{
var format = WicPixelFormat.FromClsid(pf);
if (format != null)
{
list.Add(format);
}
}
list.Sort();
return(list);
}
public void ConvertTo(Guid pixelFormat, WICBitmapDitherType ditherType = WICBitmapDitherType.WICBitmapDitherTypeNone, WicPalette palette = null, double alphaThresholdPercent = 0, WICBitmapPaletteType paletteTranslate = WICBitmapPaletteType.WICBitmapPaletteTypeCustom)
{
if (WicPixelFormat == null)
{
throw new InvalidOperationException();
}
var cvt = WicPixelFormat.GetPixelFormatConvertersTo(pixelFormat).FirstOrDefault();
if (cvt == null)
{
throw new InvalidOperationException();
}
var converter = cvt.Convert(this, pixelFormat, ditherType, palette, alphaThresholdPercent, paletteTranslate);
_comObject?.Dispose();
_comObject = converter;
}
