static int send_sub_rect_nojpeg(VncState *vs, int x, int y, int w, int h, int bg, int fg, int colors, VncPalette *palette) { int ret; if (colors == 0) { if (tight_detect_smooth_image(vs, w, h)) { ret = send_gradient_rect(vs, x, y, w, h); ret = send_full_color_rect(vs, x, y, w, h); } } else if (colors == 1) { ret = send_solid_rect(vs); } else if (colors == 2) { ret = send_mono_rect(vs, x, y, w, h, bg, fg); } else if (colors <= 256) { ret = send_palette_rect(vs, x, y, w, h, palette); } return ret; }