Lines Matching refs:luminance
224 /* The luminance of a color. This is the brightness of the color, as it
229 /* Use the luminance model used by NTSC and JPEG.
231 No need to care about rounding errors leading to luminance > 1;
296 float luminance = color_luminance (r, g, b);
297 if (luminance < 0.500f)
354 float luminance = color_luminance (r, g, b);
355 if (luminance < 0.500f)
402 float luminance = color_luminance (r, g, b);
403 if (luminance < 0.151f)
405 else if (luminance < 0.600f)
407 else if (luminance < 0.949f)
528 float luminance = color_luminance (r, g, b);
529 if (luminance < 0.090f)
531 else if (luminance < 0.241f)
533 else if (luminance < 0.331f)
535 else if (luminance < 0.406f)
537 else if (luminance < 0.498f)
539 else if (luminance < 0.585f)
541 else if (luminance < 0.680f)
543 else if (luminance < 0.764f)
545 else if (luminance < 0.810f)
547 else if (luminance < 0.857f)
549 else if (luminance < 0.902f)
551 else if (luminance < 0.953f)
840 float luminance = color_luminance (r, g, b);
841 if (luminance < 0.015f)
843 else if (luminance < 0.051f)
845 else if (luminance < 0.090f)
847 else if (luminance < 0.129f)
849 else if (luminance < 0.157f)
851 else if (luminance < 0.177f)
853 else if (luminance < 0.207f)
855 else if (luminance < 0.247f)
857 else if (luminance < 0.284f)
859 else if (luminance < 0.304f)
861 else if (luminance < 0.319f)
863 else if (luminance < 0.339f)
865 else if (luminance < 0.364f)
867 else if (luminance < 0.404f)
869 else if (luminance < 0.443f)
871 else if (luminance < 0.480f)
873 else if (luminance < 0.500f)
875 else if (luminance < 0.521f)
877 else if (luminance < 0.560f)
879 else if (luminance < 0.600f)
881 else if (luminance < 0.639f)
883 else if (luminance < 0.663f)
885 else if (luminance < 0.682f)
887 else if (luminance < 0.717f)
889 else if (luminance < 0.756f)
891 else if (luminance < 0.796f)
893 else if (luminance < 0.823f)
895 else if (luminance < 0.843f)
897 else if (luminance < 0.874f)
899 else if (luminance < 0.896f)
901 else if (luminance < 0.915f)
903 else if (luminance < 0.966f)