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netpbm
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pammap.h
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/*============================================================================= pammap.h =============================================================================== Interface header file for hash table and lookup table pam functions in libpnm. =============================================================================*/ #ifndef PAMMAP_H #define PAMMAP_H #include <netpbm/colorname.h> #include <netpbm/pam.h> #ifdef __cplusplus extern "C" { #endif #if 0 } /* to fake out automatic code indenters */ #endif struct tupleint { /* An ordered pair of a tuple value and an integer, such as you would find in a tuple table or tuple hash. Note that this is a variable length structure. */ int value; sample tuple[1]; /* This is actually a variable size array -- its size is the depth of the tuple in question. Some compilers do not let us declare a variable length array. */ }; typedef struct tupleint ** tupletable; typedef struct { unsigned int size; tupletable table; } tupletable2; struct tupleint_list_item { struct tupleint_list_item * next; struct tupleint tupleint; }; typedef struct tupleint_list_item * tupleint_list; typedef tupleint_list * tuplehash; unsigned int pnm_hashtuple(struct pam * const pamP, tuple const tuple); void pnm_addtotuplehash(struct pam * const pamP, tuplehash const tuplehash, tuple const tuple, int const value, int * const fitsP); void pnm_addtuplefreqoccurrence(struct pam * const pamP, tuple const value, tuplehash const tuplefreqhash, int * const firstOccurrenceP); void pnm_lookuptuple(struct pam * const pamP, const tuplehash tuplehash, const tuple searchval, int * const foundP, int * const retvalP); tupletable pnm_alloctupletable(const struct pam * const pamP, unsigned int const size); void pnm_freetupletable(const struct pam * const pamP, tupletable const tupletable); void pnm_freetupletable2(const struct pam * const pamP, tupletable2 const tupletable); tuplehash pnm_createtuplehash(void); void pnm_destroytuplehash(tuplehash const tuplehash); tupletable pnm_computetuplefreqtable(struct pam * const pamP, tuple ** const tupleArray, unsigned int const maxsize, unsigned int * const sizeP); tupletable pnm_computetuplefreqtable2(struct pam * const pamP, tuple ** const tupleArray, unsigned int const maxsize, sample const newMaxval, unsigned int * const sizeP); tupletable pnm_computetuplefreqtable3(struct pam * const pamP, tuple ** const tupleArray, unsigned int const maxsize, unsigned int const newDepth, sample const newMaxval, unsigned int * const countP); tuplehash pnm_computetuplefreqhash(struct pam * const pamP, tuple ** const tupleArray, unsigned int const maxsize, unsigned int * const sizeP); tuplehash pnm_computetupletablehash(struct pam * const pamP, tupletable const tupletable, unsigned int const tupletableSize); tupletable pnm_tuplehashtotable(const struct pam * const pamP, tuplehash const tuplehash, unsigned int const maxsize); char* pam_colorname(struct pam * const pamP, tuple const color, enum colornameFormat const format); #ifdef __cplusplus } #endif #endif