Lines Matching defs:alpha
40 multiply_alpha( int alpha,
43 int temp = ( alpha * color ) + 0x80;
64 unsigned int alpha = base[3];
67 if ( alpha == 0 )
77 if ( alpha != 0xFF )
79 red = multiply_alpha( alpha, red );
80 green = multiply_alpha( alpha, green );
81 blue = multiply_alpha( alpha, blue );
87 base[3] = alpha;
301 /* transform transparency to alpha */