172     (composite) = (uch)((temp + (temp >> 8)) >> 8);               \
208 static uch inbuf[INBUFSIZE];
215 static uch *bg_data;
222     uch r, g, b;
579         rpng2_info.bg_red   = (uch)r;  in main()
580         rpng2_info.bg_green = (uch)g;  in main()
581         rpng2_info.bg_blue  = (uch)b;  in main()
792     rpng2_info.image_data = (uch *)malloc(rowbytes * rpng2_info.height);  in rpng2_x_init()
798     rpng2_info.row_pointers = (uch **)malloc(rpng2_info.height * sizeof(uch *));  in rpng2_x_init()
843     uch *xdata;  in rpng2_x_create_window()
1006         xdata = (uch *)malloc(4*rpng2_info.width*rpng2_info.height);  in rpng2_x_create_window()
1009         xdata = (uch *)malloc(2*rpng2_info.width*rpng2_info.height);  in rpng2_x_create_window()
1012         xdata = (uch *)malloc(rpng2_info.width*rpng2_info.height);  in rpng2_x_create_window()
1087     uch *src;  in rpng2_x_load_bg_image()
1089     uch r1, r2, g1, g2, b1, b2;  in rpng2_x_load_bg_image()
1090     uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv;  in rpng2_x_load_bg_image()
1106     bg_data = (uch *)malloc(bg_rowbytes * rpng2_info.height);  in rpng2_x_load_bg_image()
1123         uch r1_min  = rgb[bg[pat].rgb1_min].r;  in rpng2_x_load_bg_image()
1124         uch g1_min  = rgb[bg[pat].rgb1_min].g;  in rpng2_x_load_bg_image()
1125         uch b1_min  = rgb[bg[pat].rgb1_min].b;  in rpng2_x_load_bg_image()
1126         uch r2_min  = rgb[bg[pat].rgb2_min].r;  in rpng2_x_load_bg_image()
1127         uch g2_min  = rgb[bg[pat].rgb2_min].g;  in rpng2_x_load_bg_image()
1128         uch b2_min  = rgb[bg[pat].rgb2_min].b;  in rpng2_x_load_bg_image()
1226         uch ch;  in rpng2_x_load_bg_image()
1273                     ch = (uch)(v * 255.0);  in rpng2_x_load_bg_image()
1292                     *dest++ = (uch)(red * 255.0);  in rpng2_x_load_bg_image()
1293                     *dest++ = (uch)(green * 255.0);  in rpng2_x_load_bg_image()
1294                     *dest++ = (uch)(blue * 255.0);  in rpng2_x_load_bg_image()
1383     uch bg_red   = rpng2_info.bg_red;  in rpng2_x_display_row()
1384     uch bg_green = rpng2_info.bg_green;  in rpng2_x_display_row()
1385     uch bg_blue  = rpng2_info.bg_blue;  in rpng2_x_display_row()
1386     uch *src, *src2=NULL;  in rpng2_x_display_row()
1388     uch r, g, b, a;  in rpng2_x_display_row()
1624     uch bg_red   = rpng2_info.bg_red;  in rpng2_x_redisplay_image()
1625     uch bg_green = rpng2_info.bg_green;  in rpng2_x_redisplay_image()
1626     uch bg_blue  = rpng2_info.bg_blue;  in rpng2_x_redisplay_image()
1627     uch *src, *src2=NULL;  in rpng2_x_redisplay_image()
1629     uch r, g, b, a;  in rpng2_x_redisplay_image()
1876     uch r1, r2, g1, g2, b1, b2;  in rpng2_x_reload_bg_image()
1877     uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv;  in rpng2_x_reload_bg_image()
1895         uch r1_min  = rgb[bg[pat].rgb1_min].r;  in rpng2_x_reload_bg_image()
1896         uch g1_min  = rgb[bg[pat].rgb1_min].g;  in rpng2_x_reload_bg_image()
1897         uch b1_min  = rgb[bg[pat].rgb1_min].b;  in rpng2_x_reload_bg_image()
1898         uch r2_min  = rgb[bg[pat].rgb2_min].r;  in rpng2_x_reload_bg_image()
1899         uch g2_min  = rgb[bg[pat].rgb2_min].g;  in rpng2_x_reload_bg_image()
1900         uch b2_min  = rgb[bg[pat].rgb2_min].b;  in rpng2_x_reload_bg_image()
1998         uch ch;  in rpng2_x_reload_bg_image()
2041                     ch = (uch)(v * 255.0);  in rpng2_x_reload_bg_image()
2060                     *dest++ = (uch)(red * 255.0);  in rpng2_x_reload_bg_image()
2061                     *dest++ = (uch)(green * 255.0);  in rpng2_x_reload_bg_image()
2062                     *dest++ = (uch)(blue * 255.0);  in rpng2_x_reload_bg_image()