Cross Reference: /external/libpng/contrib/gregbook/rpng2-x.c

Lines Matching refs:bg
169 #define alpha_composite(composite, fg, alpha, bg) {               \
171                 (ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128);  \
267 } bg[] = {
286 static int num_bgpat = sizeof(bg) / sizeof(struct background_pattern);
478           "%s [-display xdpy] [-gamma exp] [-bgcolor bg | -bgpat pat]\n"
494           "    bg  \tdesired background color in 7-character hex RGB format\n"
1094     int invert_gradient2 = (bg[pat].type & 0x08);
1122     if ((bg[pat].type & 0x07) == 0) {
1123         uch r1_min  = rgb[bg[pat].rgb1_min].r;
1124         uch g1_min  = rgb[bg[pat].rgb1_min].g;
1125         uch b1_min  = rgb[bg[pat].rgb1_min].b;
1126         uch r2_min  = rgb[bg[pat].rgb2_min].r;
1127         uch g2_min  = rgb[bg[pat].rgb2_min].g;
1128         uch b2_min  = rgb[bg[pat].rgb2_min].b;
1129         int r1_diff = rgb[bg[pat].rgb1_max].r - r1_min;
1130         int g1_diff = rgb[bg[pat].rgb1_max].g - g1_min;
1131         int b1_diff = rgb[bg[pat].rgb1_max].b - b1_min;
1132         int r2_diff = rgb[bg[pat].rgb2_max].r - r2_min;
1133         int g2_diff = rgb[bg[pat].rgb2_max].g - g2_min;
1134         int b2_diff = rgb[bg[pat].rgb2_max].b - b2_min;
1159                   (even_odd_horiz && (bg[pat].type & 0x10));
1191     } else if ((bg[pat].type & 0x07) == 1) {
1196         r1 = rgb[bg[pat].rgb1_max].r;
1197         g1 = rgb[bg[pat].rgb1_max].g;
1198         b1 = rgb[bg[pat].rgb1_max].b;
1199         r2 = rgb[bg[pat].rgb2_max].r;
1200         g2 = rgb[bg[pat].rgb2_max].g;
1201         b2 = rgb[bg[pat].rgb2_max].b;
1225     } else if ((bg[pat].type & 0x07) == 2) {
1247         grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw));
1248         freq = MAX((double)bg[pat].bg_freq, 0.0);
1249         saturate = (double)bg[pat].bg_bsat * 0.1;
1250         rotate = (double)bg[pat].bg_brot * 0.1;
1881     int invert_gradient2 = (bg[pat].type & 0x08);
1894     if ((bg[pat].type & 0x07) == 0) {
1895         uch r1_min  = rgb[bg[pat].rgb1_min].r;
1896         uch g1_min  = rgb[bg[pat].rgb1_min].g;
1897         uch b1_min  = rgb[bg[pat].rgb1_min].b;
1898         uch r2_min  = rgb[bg[pat].rgb2_min].r;
1899         uch g2_min  = rgb[bg[pat].rgb2_min].g;
1900         uch b2_min  = rgb[bg[pat].rgb2_min].b;
1901         int r1_diff = rgb[bg[pat].rgb1_max].r - r1_min;
1902         int g1_diff = rgb[bg[pat].rgb1_max].g - g1_min;
1903         int b1_diff = rgb[bg[pat].rgb1_max].b - b1_min;
1904         int r2_diff = rgb[bg[pat].rgb2_max].r - r2_min;
1905         int g2_diff = rgb[bg[pat].rgb2_max].g - g2_min;
1906         int b2_diff = rgb[bg[pat].rgb2_max].b - b2_min;
1931                   (even_odd_horiz && (bg[pat].type & 0x10));
1963     } else if ((bg[pat].type & 0x07) == 1) {
1968         r1 = rgb[bg[pat].rgb1_max].r;
1969         g1 = rgb[bg[pat].rgb1_max].g;
1970         b1 = rgb[bg[pat].rgb1_max].b;
1971         r2 = rgb[bg[pat].rgb2_max].r;
1972         g2 = rgb[bg[pat].rgb2_max].g;
1973         b2 = rgb[bg[pat].rgb2_max].b;
1997     } else if ((bg[pat].type & 0x07) == 2) {
2015         grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw));
2016         freq = MAX((double)bg[pat].bg_freq, 0.0);
2017         saturate = (double)bg[pat].bg_bsat * 0.1;
2018         rotate = (double)bg[pat].bg_brot * 0.1;