343  * Code to determine how many different colors used in rectangle.
1104     int colors;  in send_palette_rect()  local
1113     colors = palette_size(palette);  in send_palette_rect()
1117     vnc_write_u8(vs, colors - 1);  in send_palette_rect()
1131             tight_pack24(vs, vs->output.buffer + old_offset, colors, &offset);  in send_palette_rect()
1150         return -1; /* No palette for 8bits colors */  in send_palette_rect()
1427                                 int bg, int fg, int colors, VncPalette *palette)  in send_sub_rect_nojpeg()  argument
1431     if (colors == 0) {  in send_sub_rect_nojpeg()
1437     } else if (colors == 1) {  in send_sub_rect_nojpeg()
1439     } else if (colors == 2) {  in send_sub_rect_nojpeg()
1441     } else if (colors <= 256) {  in send_sub_rect_nojpeg()
1452                               int bg, int fg, int colors,  in send_sub_rect_jpeg()  argument
1457     if (colors == 0) {  in send_sub_rect_jpeg()
1466     } else if (colors == 1) {  in send_sub_rect_jpeg()
1468     } else if (colors == 2) {  in send_sub_rect_jpeg()
1470     } else if (colors <= 256) {  in send_sub_rect_jpeg()
1471         if (force || (colors > 96 &&  in send_sub_rect_jpeg()
1501     int colors;  in send_sub_rect()  local
1534     colors = tight_fill_palette(vs, tight, x, y, w * h, &bg, &fg,  in send_sub_rect()
1539         ret = send_sub_rect_jpeg(vs, worker, x, y, w, h, bg, fg, colors,  in send_sub_rect()
1543                                    colors, color_count_palette);  in send_sub_rect()
1546     ret = send_sub_rect_nojpeg(vs, worker, x, y, w, h, bg, fg, colors,  in send_sub_rect()