Searched refs:PNG_COLOR_DIST (Results 1 – 4 of 4) sorted by relevance
287 min_d = PNG_COLOR_DIST(palette[d_index], palette[0]); in png_set_dither()292 d = PNG_COLOR_DIST(palette[d_index], palette[k]); in png_set_dither()364 d = PNG_COLOR_DIST(palette[i], palette[j]); in png_set_dither()
3088 #define PNG_COLOR_DIST(c1, c2) (abs((int)((c1).red) - (int)((c2).red)) + \ macro
258 min_d = PNG_COLOR_DIST(palette[d_index], palette[0]); in png_set_dither()263 d = PNG_COLOR_DIST(palette[d_index], palette[k]); in png_set_dither()338 d = PNG_COLOR_DIST(palette[i], palette[j]); in png_set_dither()
2804 #define PNG_COLOR_DIST(c1, c2) (abs((int)((c1).red) - (int)((c2).red)) + \ macro