Lines Matching refs:rgb
55 /* rgb/hsl conversions taken from Gimp common/autostretch_hsv.c */
61 calc_rgb_to_hsl(unsigned short *rgb, double *hue, double *sat,
70 red = rgb[0] / 65535.0;
71 green = rgb[1] / 65535.0;
72 blue = rgb[2] / 65535.0;
154 calc_hsl_to_rgb(unsigned short *rgb, double h, double s, double l)
162 rgb[0] = l * 65535;
163 rgb[1] = l * 65535;
164 rgb[2] = l * 65535;
178 rgb[0] = 65535 * hsl_value(m1, m2, h1);
179 rgb[1] = 65535 * hsl_value(m1, m2, h);
180 rgb[2] = 65535 * hsl_value(m1, m2, h2);
213 update_saturation_from_rgb(unsigned short *rgb,
218 calc_rgb_to_hsl(rgb, &h, &s, &l);
228 calc_hsl_to_rgb(rgb, h, s, l);
543 * 'rgb_to_rgb()' - Convert rgb image data to RGB.