PreMultiplyAlpha()

static unsafe void ReLogic.Content.Readers.PngReader.PreMultiplyAlpha ( IntPtr img, int len )

inlinestaticprivate

Definition at line 64 of file PngReader.cs.

    {
        byte* colors = (byte*)img.ToPointer();
        for (int i = 0; i < len; i += 4)
        {
            int a = colors[i + 3];
            colors[i] = (byte)(colors[i] * a / 255);
            colors[i + 1] = (byte)(colors[i + 1] * a / 255);
            colors[i + 2] = (byte)(colors[i + 2] * a / 255);
        }
    }

References System.len, and System.IntPtr.ToPointer().

Referenced by ReLogic.Content.Readers.PngReader.FromStream< T >().