source: trunk/JPGPROC/source/gbmsrc/gbmmcut.h@ 2

/*

gbmmcut.h - Interface to Median Cut colour reduction

This code is arranged to allow generation of a palette from a set of input
images. Quantisation is fixed at 5 bits each for red, green and blue. This
is finer than most implementations, but costly on memory.

*/

#ifndef GBMMCUT_H
#define GBMMCUT_H

typedef void GBMMCUT;

extern GBMMCUT *gbm_create_mcut(void);

extern void gbm_delete_mcut(GBMMCUT *mcut);

extern void gbm_add_to_mcut(
        GBMMCUT *mcut,  
        const GBM *gbm, const byte *data24
        );

extern void gbm_pal_mcut(
        GBMMCUT *mcut,
        GBMRGB gbmrgb[],
        int n_cols_wanted
        );

extern void gbm_map_mcut(
        GBMMCUT *mcut,
        const GBM *gbm, const byte *data24, byte *data8
        );

extern BOOLEAN gbm_mcut(
        const GBM *gbm, const byte *data24,
        GBMRGB gbmrgb[],
        byte *data8,
        int n_cols_wanted
        );

#endif