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/* pbm.h - header file for libpbm portable bitmap library */ #ifndef _PBM_H_ #define _PBM_H_ #include "pbmplus.h" typedef unsigned char bit; #define PBM_WHITE 0 #define PBM_BLACK 1 /* Magic constants. */ #define PBM_MAGIC1 'P' #define PBM_MAGIC2 '1' #define RPBM_MAGIC2 '4' #define PBM_FORMAT (PBM_MAGIC1 * 256 + PBM_MAGIC2) #define RPBM_FORMAT (PBM_MAGIC1 * 256 + RPBM_MAGIC2) #define PBM_TYPE PBM_FORMAT /* Macro for turning a format number into a type number. */ #define PBM_FORMAT_TYPE(f) ((f) == PBM_FORMAT || (f) == RPBM_FORMAT ? PBM_TYPE : -1) /* Declarations of routines. */ void pbm_init ARGS(( int* argcP, char* argv[] )); #define pbm_allocarray( cols, rows ) ((bit**) pm_allocarray( cols, rows, sizeof(bit) )) #define pbm_allocrow( cols ) ((bit*) pm_allocrow( cols, sizeof(bit) )) #define pbm_freearray( bits, rows ) pm_freearray( (char**) bits, rows ) #define pbm_freerow( bitrow ) pm_freerow( (char*) bitrow ) bit** pbm_readpbm ARGS(( FILE* file, int* colsP, int* rowsP )); void pbm_readpbminit ARGS(( FILE* file, int* colsP, int* rowsP, int* formatP )); void pbm_readpbmrow ARGS(( FILE* file, bit* bitrow, int cols, int format )); char* pm_read_unknown_size ARGS(( FILE* file, long* buf )); void pbm_writepbm ARGS(( FILE* file, bit** bits, int cols, int rows, int forceplain )); void pbm_writepbminit ARGS(( FILE* file, int cols, int rows, int forceplain )); void pbm_writepbmrow ARGS(( FILE* file, bit* bitrow, int cols, int forceplain )); #endif /*_PBM_H_*/
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