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pnm.h
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/* pnm.h - header file for libpnm portable anymap library */ #ifndef _PNM_H_ #define _PNM_H_ #include <netpbm/pm.h> #include <netpbm/ppm.h> #ifdef __cplusplus extern "C" { #endif #if 0 } /* to fake out automatic code indenters */ #endif typedef pixel xel; typedef pixval xelval; #define PNM_OVERALLMAXVAL PPM_OVERALLMAXVAL #define PNM_MAXMAXVAL PPM_MAXMAXVAL #define PNM_GET1(x) PPM_GETB(x) #define PNM_GETR(x) PPM_GETR(x) #define PNM_GETG(x) PPM_GETG(x) #define PNM_GETB(x) PPM_GETB(x) #define PNM_ASSIGN1(x,v) PPM_ASSIGN(x,0,0,v) #define PNM_ASSIGN(x,r,g,b) PPM_ASSIGN(x,r,g,b) #define PNM_EQUAL(x,y) PPM_EQUAL(x,y) #define PNM_FORMAT_TYPE(f) PPM_FORMAT_TYPE(f) #define PNM_DEPTH(newp,p,oldmaxval,newmaxval) \ PPM_DEPTH(newp,p,oldmaxval,newmaxval) /* Declarations of routines. */ void pnm_init(int * const argcP, char ** const argv); void pnm_nextimage(FILE * const file, int * const eofP); xel * pnm_allocrow(unsigned int const cols); #define pnm_freerow(xelrow) pm_freerow(xelrow) #define pnm_allocarray( cols, rows ) \ ((xel**) pm_allocarray( cols, rows, sizeof(xel) )) #define pnm_freearray( xels, rows ) pm_freearray( (char**) xels, rows ) void pnm_readpnminit(FILE * const fileP, int * const colsP, int * const rowsP, xelval * const maxvalP, int * const formatP); void pnm_readpnmrow(FILE * const fileP, xel * const xelrow, int const cols, xelval const maxval, int const format); xel ** pnm_readpnm(FILE * const fileP, int * const colsP, int * const rowsP, xelval * const maxvalP, int * const formatP); void pnm_check(FILE * const fileP, enum pm_check_type const check_type, int const format, int const cols, int const rows, int const maxval, enum pm_check_code * const retvalP); void pnm_writepnminit(FILE * const fileP, int const cols, int const rows, xelval const maxval, int const format, int const forceplain); void pnm_writepnmrow(FILE * const fileP, const xel * const xelrow, int const cols, xelval const maxval, int const format, int const forceplain); void pnm_writepnm(FILE * const fileP, xel ** const xels, int const cols, int const rows, xelval const maxval, int const format, int const forceplain); xel pnm_backgroundxel(xel** xels, int cols, int rows, xelval maxval, int format); xel pnm_backgroundxelrow(xel* xelrow, int cols, xelval maxval, int format); xel pnm_whitexel(xelval maxval, int format); xel pnm_blackxel(xelval maxval, int format); void pnm_invertxel(xel * const x, xelval const maxval, int const format); void pnm_promoteformat(xel** xels, int cols, int rows, xelval maxval, int format, xelval newmaxval, int newformat); void pnm_promoteformatrow(xel* xelrow, int cols, xelval maxval, int format, xelval newmaxval, int newformat); pixel pnm_xeltopixel(xel const inputxel, int const format); xel pnm_parsecolorxel(const char * const colorName, xelval const maxval, int const format); #ifdef __cplusplus } #endif #endif /*_PNM_H_*/