Lines Matching refs:alpha
52 // Mix two colors without respect for their alpha values
62 color1.alpha = (uint8)(((int16(color2.alpha) - int16(color1.alpha))
63 * amount) / 255 + color1.alpha );
69 // Mix two colors, respecting their alpha values.
73 const uint8 alphaMix = (uint8)(((int16(color2.alpha) - int16(255
74 - color1.alpha)) * amount) / 255 + (255 - color1.alpha));
82 color1.alpha = (uint8)(((int16(color2.alpha) - int16(color1.alpha))
83 * amount) / 255 + color1.alpha);