/*=============================================================================
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