public static bool TryGetPixelFormat(STBWRITE.ColorComponents components, out PixelFormat fmt)
{
switch (components)
{
case STBWRITE.ColorComponents.Grey: fmt = Pixel.Luminance8.Format; return(true);
//case STBREAD.ColorComponents.GreyAlpha:;
case STBWRITE.ColorComponents.RedGreenBlue: fmt = Pixel.RGB24.Format; return(true);
case STBWRITE.ColorComponents.RedGreenBlueAlpha: fmt = Pixel.RGBA32.Format; return(true);
}
fmt = default;
return(false);
}
private static bool _ExtractPixels(SpanBitmap bmp, out BitmapInfo rinfo, out Byte[] rdata, out STBWRITE.ColorComponents rcmps)
{
rinfo = default;
rdata = null;
rcmps = default;
rcmps = _Implementation.GetCompatibleFormat(bmp.PixelFormat);
if (!_Implementation.TryGetPixelFormat(rcmps, out var rfmt))
{
return(false);
}
rinfo = new BitmapInfo(bmp.Width, bmp.Height, rfmt);
rdata = new Byte[rinfo.BitmapByteSize];
new SpanBitmap(rdata, rinfo).SetPixels(0, 0, bmp);
return(true);
}