170     (composite) = (uch)((temp + (temp >> 8)) >> 8);               \
206 static uch inbuf[INBUFSIZE];
213 static uch *bg_data;
220     uch r, g, b;
577         rpng2_info.bg_red   = (uch)r;  in main()
578         rpng2_info.bg_green = (uch)g;  in main()
579         rpng2_info.bg_blue  = (uch)b;  in main()
783     rpng2_info.image_data = (uch *)malloc(rowbytes * rpng2_info.height);  in rpng2_x_init()
789     rpng2_info.row_pointers = (uch **)malloc(rpng2_info.height * sizeof(uch *));  in rpng2_x_init()
834     uch *xdata;  in rpng2_x_create_window()
997         xdata = (uch *)malloc(4*rpng2_info.width*rpng2_info.height);  in rpng2_x_create_window()
1000         xdata = (uch *)malloc(2*rpng2_info.width*rpng2_info.height);  in rpng2_x_create_window()
1003         xdata = (uch *)malloc(rpng2_info.width*rpng2_info.height);  in rpng2_x_create_window()
1078     uch *src;  in rpng2_x_load_bg_image()
1080     uch r1, r2, g1, g2, b1, b2;  in rpng2_x_load_bg_image()
1081     uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv;  in rpng2_x_load_bg_image()
1097     bg_data = (uch *)malloc(bg_rowbytes * rpng2_info.height);  in rpng2_x_load_bg_image()
1114         uch r1_min  = rgb[bg[pat].rgb1_min].r;  in rpng2_x_load_bg_image()
1115         uch g1_min  = rgb[bg[pat].rgb1_min].g;  in rpng2_x_load_bg_image()
1116         uch b1_min  = rgb[bg[pat].rgb1_min].b;  in rpng2_x_load_bg_image()
1117         uch r2_min  = rgb[bg[pat].rgb2_min].r;  in rpng2_x_load_bg_image()
1118         uch g2_min  = rgb[bg[pat].rgb2_min].g;  in rpng2_x_load_bg_image()
1119         uch b2_min  = rgb[bg[pat].rgb2_min].b;  in rpng2_x_load_bg_image()
1217         uch ch;  in rpng2_x_load_bg_image()
1264                     ch = (uch)(v * 255.0);  in rpng2_x_load_bg_image()
1283                     *dest++ = (uch)(red * 255.0);  in rpng2_x_load_bg_image()
1284                     *dest++ = (uch)(green * 255.0);  in rpng2_x_load_bg_image()
1285                     *dest++ = (uch)(blue * 255.0);  in rpng2_x_load_bg_image()
1374     uch bg_red   = rpng2_info.bg_red;  in rpng2_x_display_row()
1375     uch bg_green = rpng2_info.bg_green;  in rpng2_x_display_row()
1376     uch bg_blue  = rpng2_info.bg_blue;  in rpng2_x_display_row()
1377     uch *src, *src2=NULL;  in rpng2_x_display_row()
1379     uch r, g, b, a;  in rpng2_x_display_row()
1615     uch bg_red   = rpng2_info.bg_red;  in rpng2_x_redisplay_image()
1616     uch bg_green = rpng2_info.bg_green;  in rpng2_x_redisplay_image()
1617     uch bg_blue  = rpng2_info.bg_blue;  in rpng2_x_redisplay_image()
1618     uch *src, *src2=NULL;  in rpng2_x_redisplay_image()
1620     uch r, g, b, a;  in rpng2_x_redisplay_image()
1867     uch r1, r2, g1, g2, b1, b2;  in rpng2_x_reload_bg_image()
1868     uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv;  in rpng2_x_reload_bg_image()
1886         uch r1_min  = rgb[bg[pat].rgb1_min].r;  in rpng2_x_reload_bg_image()
1887         uch g1_min  = rgb[bg[pat].rgb1_min].g;  in rpng2_x_reload_bg_image()
1888         uch b1_min  = rgb[bg[pat].rgb1_min].b;  in rpng2_x_reload_bg_image()
1889         uch r2_min  = rgb[bg[pat].rgb2_min].r;  in rpng2_x_reload_bg_image()
1890         uch g2_min  = rgb[bg[pat].rgb2_min].g;  in rpng2_x_reload_bg_image()
1891         uch b2_min  = rgb[bg[pat].rgb2_min].b;  in rpng2_x_reload_bg_image()
1989         uch ch;  in rpng2_x_reload_bg_image()
2032                     ch = (uch)(v * 255.0);  in rpng2_x_reload_bg_image()
2051                     *dest++ = (uch)(red * 255.0);  in rpng2_x_reload_bg_image()
2052                     *dest++ = (uch)(green * 255.0);  in rpng2_x_reload_bg_image()
2053                     *dest++ = (uch)(blue * 255.0);  in rpng2_x_reload_bg_image()