409    int img_n, img_out_n;  member
2664    if (s->img_out_n == 3) {  // convert bgr to rgb  in stbi_de_iphone()
2672       assert(s->img_out_n == 4);  in stbi_de_iphone()
2811                s->img_out_n = s->img_n+1;  in parse_png_file()
2813                s->img_out_n = s->img_n;  in parse_png_file()
2814             if (!create_png_image(z, z->expanded, raw_len, s->img_out_n, interlace)) return 0;  in parse_png_file()
2816                if (!compute_transparency(z, tc, s->img_out_n)) return 0;  in parse_png_file()
2817             if (iphone && s->img_out_n > 2)  in parse_png_file()
2822                s->img_out_n = pal_img_n;  in parse_png_file()
2823                if (req_comp >= 3) s->img_out_n = req_comp;  in parse_png_file()
2824                if (!expand_palette(z, palette, pal_len, s->img_out_n))  in parse_png_file()
2860       if (req_comp && req_comp != p->s->img_out_n) {  in do_png()
2861          result = convert_format(result, p->s->img_out_n, req_comp, p->s->img_x, p->s->img_y);  in do_png()
2862          p->s->img_out_n = req_comp;  in do_png()