154     (composite) = (uch)((temp + (temp >> 8)) >> 8);               \
190 static uch inbuf[INBUFSIZE];
197 static uch *bg_data;
204     uch r, g, b;
576         rpng2_info.bg_red   = (uch)r;  in main()
577         rpng2_info.bg_green = (uch)g;  in main()
578         rpng2_info.bg_blue  = (uch)b;  in main()
780     rpng2_info.image_data = (uch *)malloc(rowbytes * rpng2_info.height);  in rpng2_x_init()
786     rpng2_info.row_pointers = (uch **)malloc(rpng2_info.height * sizeof(uch *));  in rpng2_x_init()
830     uch *xdata;  in rpng2_x_create_window()
993         xdata = (uch *)malloc(4*rpng2_info.width*rpng2_info.height);  in rpng2_x_create_window()
996         xdata = (uch *)malloc(2*rpng2_info.width*rpng2_info.height);  in rpng2_x_create_window()
999         xdata = (uch *)malloc(rpng2_info.width*rpng2_info.height);  in rpng2_x_create_window()
1074     uch *src;  in rpng2_x_load_bg_image()
1076     uch r1, r2, g1, g2, b1, b2;  in rpng2_x_load_bg_image()
1077     uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv;  in rpng2_x_load_bg_image()
1093     bg_data = (uch *)malloc(bg_rowbytes * rpng2_info.height);  in rpng2_x_load_bg_image()
1110         uch r1_min  = rgb[bg[pat].rgb1_min].r;  in rpng2_x_load_bg_image()
1111         uch g1_min  = rgb[bg[pat].rgb1_min].g;  in rpng2_x_load_bg_image()
1112         uch b1_min  = rgb[bg[pat].rgb1_min].b;  in rpng2_x_load_bg_image()
1113         uch r2_min  = rgb[bg[pat].rgb2_min].r;  in rpng2_x_load_bg_image()
1114         uch g2_min  = rgb[bg[pat].rgb2_min].g;  in rpng2_x_load_bg_image()
1115         uch b2_min  = rgb[bg[pat].rgb2_min].b;  in rpng2_x_load_bg_image()
1213         uch ch;  in rpng2_x_load_bg_image()
1260                     ch = (uch)(v * 255.0);  in rpng2_x_load_bg_image()
1279                     *dest++ = (uch)(red * 255.0);  in rpng2_x_load_bg_image()
1280                     *dest++ = (uch)(green * 255.0);  in rpng2_x_load_bg_image()
1281                     *dest++ = (uch)(blue * 255.0);  in rpng2_x_load_bg_image()
1370     uch bg_red   = rpng2_info.bg_red;  in rpng2_x_display_row()
1371     uch bg_green = rpng2_info.bg_green;  in rpng2_x_display_row()
1372     uch bg_blue  = rpng2_info.bg_blue;  in rpng2_x_display_row()
1373     uch *src, *src2=NULL;  in rpng2_x_display_row()
1375     uch r, g, b, a;  in rpng2_x_display_row()
1611     uch bg_red   = rpng2_info.bg_red;  in rpng2_x_redisplay_image()
1612     uch bg_green = rpng2_info.bg_green;  in rpng2_x_redisplay_image()
1613     uch bg_blue  = rpng2_info.bg_blue;  in rpng2_x_redisplay_image()
1614     uch *src, *src2=NULL;  in rpng2_x_redisplay_image()
1616     uch r, g, b, a;  in rpng2_x_redisplay_image()
1860     uch r1, r2, g1, g2, b1, b2;  in rpng2_x_reload_bg_image()
1861     uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv;  in rpng2_x_reload_bg_image()
1879         uch r1_min  = rgb[bg[pat].rgb1_min].r;  in rpng2_x_reload_bg_image()
1880         uch g1_min  = rgb[bg[pat].rgb1_min].g;  in rpng2_x_reload_bg_image()
1881         uch b1_min  = rgb[bg[pat].rgb1_min].b;  in rpng2_x_reload_bg_image()
1882         uch r2_min  = rgb[bg[pat].rgb2_min].r;  in rpng2_x_reload_bg_image()
1883         uch g2_min  = rgb[bg[pat].rgb2_min].g;  in rpng2_x_reload_bg_image()
1884         uch b2_min  = rgb[bg[pat].rgb2_min].b;  in rpng2_x_reload_bg_image()
1982         uch ch;  in rpng2_x_reload_bg_image()
2025                     ch = (uch)(v * 255.0);  in rpng2_x_reload_bg_image()
2044                     *dest++ = (uch)(red * 255.0);  in rpng2_x_reload_bg_image()
2045                     *dest++ = (uch)(green * 255.0);  in rpng2_x_reload_bg_image()
2046                     *dest++ = (uch)(blue * 255.0);  in rpng2_x_reload_bg_image()