private static byte[] GetRGB24(Bitmap bmp, bool alpha)
{
var writer = new SwfWriter();
//NOTE: The RGB data must already be multiplied by the alpha channel value.
int w = bmp.Width;
int h = bmp.Height;
using (var fbmp = new FastBitmap(bmp))
{
for (int y = 0; y < h; ++y)
{
for (int x = 0; x < w; ++x)
{
var c = fbmp[x, y];
if (alpha)
{
c = MulAlpha(c);
writer.WriteARGB(c);
}
else
{
writer.WriteUInt8(0);
writer.WriteUInt8(c.R);
writer.WriteUInt8(c.G);
writer.WriteUInt8(c.B);
}
}
}
}
return(writer.ToByteArray());
}
