Lines Matching refs:luminance
227 /* The luminance of a color. This is the brightness of the color, as it
232 /* Use the luminance model used by NTSC and JPEG.
234 No need to care about rounding errors leading to luminance > 1;
299 float luminance = color_luminance (r, g, b);
300 if (luminance < 0.500f)
357 float luminance = color_luminance (r, g, b);
358 if (luminance < 0.500f)
405 float luminance = color_luminance (r, g, b);
406 if (luminance < 0.151f)
408 else if (luminance < 0.600f)
410 else if (luminance < 0.949f)
531 float luminance = color_luminance (r, g, b);
532 if (luminance < 0.090f)
534 else if (luminance < 0.241f)
536 else if (luminance < 0.331f)
538 else if (luminance < 0.406f)
540 else if (luminance < 0.498f)
542 else if (luminance < 0.585f)
544 else if (luminance < 0.680f)
546 else if (luminance < 0.764f)
548 else if (luminance < 0.810f)
550 else if (luminance < 0.857f)
552 else if (luminance < 0.902f)
554 else if (luminance < 0.953f)
843 float luminance = color_luminance (r, g, b);
844 if (luminance < 0.015f)
846 else if (luminance < 0.051f)
848 else if (luminance < 0.090f)
850 else if (luminance < 0.129f)
852 else if (luminance < 0.157f)
854 else if (luminance < 0.177f)
856 else if (luminance < 0.207f)
858 else if (luminance < 0.247f)
860 else if (luminance < 0.284f)
862 else if (luminance < 0.304f)
864 else if (luminance < 0.319f)
866 else if (luminance < 0.339f)
868 else if (luminance < 0.364f)
870 else if (luminance < 0.404f)
872 else if (luminance < 0.443f)
874 else if (luminance < 0.480f)
876 else if (luminance < 0.500f)
878 else if (luminance < 0.521f)
880 else if (luminance < 0.560f)
882 else if (luminance < 0.600f)
884 else if (luminance < 0.639f)
886 else if (luminance < 0.663f)
888 else if (luminance < 0.682f)
890 else if (luminance < 0.717f)
892 else if (luminance < 0.756f)
894 else if (luminance < 0.796f)
896 else if (luminance < 0.823f)
898 else if (luminance < 0.843f)
900 else if (luminance < 0.874f)
902 else if (luminance < 0.896f)
904 else if (luminance < 0.915f)
906 else if (luminance < 0.966f)