http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/ppmcmap.h

#ifndef PPMCMAP_INCLUDED #define PPMCMAP_INCLUDED /* ppmcmap.h - header file for colormap routines in libppm */ /* Color histogram stuff. */ typedef struct colorhist_item* colorhist_vector; struct colorhist_item { pixel color; int value; }; typedef struct colorhist_list_item* colorhist_list; struct colorhist_list_item { struct colorhist_item ch; colorhist_list next; }; colorhist_vector ppm_computecolorhist( pixel ** const pixels, const int cols, const int rows, const int maxcolors, int * const colorsP ); colorhist_vector ppm_computecolorhist2(FILE * const ifp, const int cols, const int rows, const pixval maxval, const int format, const int maxcolors, int * const colorsP ); void ppm_addtocolorhist( colorhist_vector chv, int * const colorsP, const int maxcolors, const pixel * const colorP, const int value, const int position ); void ppm_freecolorhist( colorhist_vector chv ); /* Color hash table stuff. */ typedef colorhist_list* colorhash_table; colorhash_table ppm_computecolorhash( pixel ** const pixels, const int cols, const int rows, const int maxcolors, int * const colorsP ); colorhash_table ppm_computecolorhash2(FILE * const ifp, const int cols, const int rows, const pixval maxval, const int format, const int maxcolors, int * const colorsP); int ppm_lookupcolor(colorhash_table const cht, const pixel * const colorP ); colorhist_vector ppm_colorhashtocolorhist(colorhash_table const cht, int const maxcolors); colorhash_table ppm_colorhisttocolorhash(colorhist_vector const chv, int const colors); int ppm_addtocolorhash(colorhash_table const cht, const pixel * const colorP, int const value); void ppm_delfromcolorhash(colorhash_table const cht, const pixel * const colorP); colorhash_table ppm_alloccolorhash(void); void ppm_freecolorhash(colorhash_table const cht); colorhash_table ppm_colorrowtocolorhash ARGS((pixel *colorrow, int ncolors)); pixel * ppm_computecolorrow ARGS((pixel **pixels, int cols, int rows, int maxcolors, int *ncolorsP)); pixel * ppm_mapfiletocolorrow ARGS((FILE *file, int maxcolors, int *ncolorsP, pixval *maxvalP)); void ppm_colorrowtomapfile ARGS((FILE *ofp, pixel *colormap, int ncolors, pixval maxval)); void ppm_sortcolorrow (pixel * const colorrow, const int ncolors, int (*cmpfunc)(pixel *, pixel *) ); int ppm_addtocolorrow ARGS((pixel *colorrow, int *ncolorsP, int maxcolors, pixel *pixelP)); int ppm_findclosestcolor(const pixel * const colormap, int const ncolors, const pixel * const pP); /* standard sort function for ppm_sortcolorrow() */ #define PPM_STDSORT (int (*)(pixel *, pixel *))0 #endif