/*
 *	sfx.h - special effects for fonderie & interpolator
 */


int des_bords_sombres_a(FloatImg *pimg, int offset);

int trinarize(FloatImg *pimg, int notused);	// in sfx.c

int binarize(FloatImg *pimg, int notused);

int brotche_rand48_a(FloatImg *fimg, float ratio, float mval);
int brotche_rand48_b(FloatImg *fimg, float ratio, float mval);
int colors_brotcher(FloatImg *fimg, float fval);