Lines Matching refs:fr
127 float fr = ((float)ir) / 255.0;
131 //printf("fr:%f fg:%f fb:%f\n", fr, fg, fb);
132 if (fr > 0.04045)
133 //fr = (float) pow((fr + 0.055) / 1.055, 2.4);
134 fr = (float) pow24((fr + 0.055) / 1.055);
136 fr = fr / 12.92;
151 const float x = fr * 0.4124 + fg * 0.3576 + fb * 0.1805;
152 const float y = fr * 0.2126 + fg * 0.7152 + fb * 0.0722;
153 const float z = fr * 0.0193 + fg * 0.1192 + fb * 0.9505;