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panda/src/pnmimage/ppmcmap.cxx File Reference

#include "ppmcmap.h"

Go to the source code of this file.

Defines
#define	HASH_SIZE   20023
#define	ppm_hashpixel(p)   ( ( ( (long) PPM_GETR(p) * 33023 + (long) PPM_GETG(p) * 30013 + (long) PPM_GETB(p) * 27011 ) & 0x7fffffff ) % HASH_SIZE )
Functions
colorhist_vector	ppm_computecolorhist (pixel **pixels, int cols, int rows, int maxcolors, int *colorsP)
void	ppm_addtocolorhist (colorhist_vector chv, int *colorsP, int maxcolors, pixel *colorP, int value, int position)
colorhash_table	ppm_computecolorhash (pixel **pixels, int cols, int rows, int maxcolors, int *colorsP)
colorhash_table	ppm_alloccolorhash ()
int	ppm_addtocolorhash (colorhash_table cht, pixel *colorP, int value)
colorhist_vector	ppm_colorhashtocolorhist (colorhash_table cht, int maxcolors)
colorhash_table	ppm_colorhisttocolorhash (colorhist_vector chv, int colors)
int	ppm_lookupcolor (colorhash_table cht, pixel *colorP)
void	ppm_freecolorhist (colorhist_vector chv)
void	ppm_freecolorhash (colorhash_table cht)

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Detailed Description

Definition in file ppmcmap.cxx.

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Define Documentation

#define HASH_SIZE   20023

Definition at line 18 of file ppmcmap.cxx. Referenced by ppm_alloccolorhash(), ppm_colorhashtocolorhist(), and ppm_freecolorhash().

#define ppm_hashpixel (  p   )     ( ( ( (long) PPM_GETR(p) * 33023 + (long) PPM_GETG(p) * 30013 + (long) PPM_GETB(p) * 27011 ) & 0x7fffffff ) % HASH_SIZE )

Definition at line 23 of file ppmcmap.cxx. Referenced by ppm_addtocolorhash(), ppm_colorhisttocolorhash(), ppm_computecolorhash(), and ppm_lookupcolor().

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Function Documentation

int ppm_addtocolorhash (  colorhash_table  cht, pixel *  colorP, int  value )

Definition at line 141 of file ppmcmap.cxx. References colorhist_list_item::ch, colorhist_item::color, malloc(), colorhist_list_item::next, ppm_hashpixel, and colorhist_item::value.

void ppm_addtocolorhist (  colorhist_vector  chv, int *  colorsP, int  maxcolors, pixel *  colorP, int  value, int  position )

Definition at line 43 of file ppmcmap.cxx. References colorhist_item::color, PPM_EQUAL, and colorhist_item::value.

colorhash_table ppm_alloccolorhash (  void   )

Definition at line 125 of file ppmcmap.cxx. References colorhash_table, HASH_SIZE, malloc(), and pm_error(). Referenced by ppm_colorhisttocolorhash(), and ppm_computecolorhash().

colorhist_vector ppm_colorhashtocolorhist (  colorhash_table  cht, int  maxcolors )

Definition at line 160 of file ppmcmap.cxx. References colorhist_list_item::ch, HASH_SIZE, malloc(), colorhist_list_item::next, and pm_error(). Referenced by ppm_computecolorhist().

colorhash_table ppm_colorhisttocolorhash (  colorhist_vector  chv, int  colors )

Definition at line 188 of file ppmcmap.cxx. References colorhist_list_item::ch, colorhist_item::color, colorhash_table, malloc(), colorhist_list_item::next, pm_error(), ppm_alloccolorhash(), PPM_EQUAL, PPM_GETB, PPM_GETG, PPM_GETR, ppm_hashpixel, and colorhist_item::value.

colorhash_table ppm_computecolorhash (  pixel **  pixels, int  cols, int  rows, int  maxcolors, int *  colorsP )

Definition at line 82 of file ppmcmap.cxx. References colorhist_list_item::ch, colorhist_item::color, colorhash_table, malloc(), colorhist_list_item::next, pm_error(), ppm_alloccolorhash(), PPM_EQUAL, ppm_freecolorhash(), ppm_hashpixel, and colorhist_item::value. Referenced by ppm_computecolorhist().

colorhist_vector ppm_computecolorhist (  pixel **  pixels, int  cols, int  rows, int  maxcolors, int *  colorsP )

Definition at line 27 of file ppmcmap.cxx. References colorhash_table, ppm_colorhashtocolorhist(), ppm_computecolorhash(), and ppm_freecolorhash().

void ppm_freecolorhash (  colorhash_table  cht  )

Definition at line 241 of file ppmcmap.cxx. References HASH_SIZE, and colorhist_list_item::next. Referenced by ppm_computecolorhash(), ppm_computecolorhist(), and PNMFileTypeTGA::Reader::read_data().

void ppm_freecolorhist (  colorhist_vector  chv  )

Definition at line 235 of file ppmcmap.cxx. Referenced by PNMFileTypeTGA::Reader::read_data().

int ppm_lookupcolor (  colorhash_table  cht, pixel *  colorP )

Definition at line 220 of file ppmcmap.cxx. References colorhist_list_item::ch, colorhist_item::color, colorhist_list_item::next, PPM_EQUAL, ppm_hashpixel, and colorhist_item::value. Referenced by BMPwriterow().

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