#ifndef IMGOUTPUT_H_
#define IMGOUTPUT_H_

#include "image.h"

typedef int img_output_func(FILE *f, const char *filename,
                            unsigned width, unsigned height,
                            unsigned char *pixels, unsigned char *pixel_mask,
                            struct lbx_colour *palette);

img_output_func img_output_pbm, img_output_ppm, img_output_pam;
img_output_func img_output_png;

_Bool img_is_masked(unsigned char *mask, unsigned width, unsigned height);

#endif