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API

Image *img_init(int type, int w, int h);
void  img_clear(Image *i, Color c);
Image *img_read(char *fname);
void  img_write(Image *i, char *fname, int cflag);

void  img_puti(Image *i, int u, int v, int c);
int   img_geti(Image *i, int u, int v);

void  img_putc(Image *i, int u, int v, Color c);
Color img_getc(Image *i, int u, int v);

void img_free(Image *i);

void  cmap_read(CMap *m, int maplength, int fd);
void  cmap_rbg(CMap *m);
void  cmap_gamma(CMap *m, Real gamval);

void  img_histogram(Image *i, int *hist, int nb);
Image *img_quant_popul(Image *i, int n, int nb);

void  img_dither_eds(Image *i, int n);