mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-26 18:06:18 +03:00
50 lines
2.2 KiB
C
50 lines
2.2 KiB
C
/*
|
|
* The Python Imaging Library
|
|
* $Id$
|
|
*
|
|
* image quantizer
|
|
*
|
|
* Written by Toby J Sargeant <tjs@longford.cs.monash.edu.au>.
|
|
*
|
|
* See the README file for information on usage and redistribution.
|
|
*/
|
|
|
|
#ifndef __QUANTHASH_H__
|
|
#define __QUANTHASH_H__
|
|
|
|
#include "QuantTypes.h"
|
|
|
|
typedef struct _HashTable HashTable;
|
|
typedef Pixel HashKey_t;
|
|
typedef uint32_t HashVal_t;
|
|
|
|
typedef uint32_t (*HashFunc)(const HashTable *,const HashKey_t);
|
|
typedef int (*HashCmpFunc)(const HashTable *,const HashKey_t,const HashKey_t);
|
|
typedef void (*IteratorFunc)(const HashTable *,const HashKey_t,const HashVal_t,void *);
|
|
typedef void (*IteratorUpdateFunc)(const HashTable *,const HashKey_t,HashVal_t *,void *);
|
|
typedef void (*KeyDestroyFunc)(const HashTable *,HashKey_t);
|
|
typedef void (*ValDestroyFunc)(const HashTable *,HashVal_t);
|
|
typedef void (*ComputeFunc)(const HashTable *,const HashKey_t,HashVal_t *);
|
|
typedef void (*CollisionFunc)(const HashTable *,HashKey_t *,HashVal_t *,HashKey_t,HashVal_t);
|
|
|
|
HashTable * hashtable_new(HashFunc hf,HashCmpFunc cf);
|
|
void hashtable_free(HashTable *h);
|
|
void hashtable_foreach(HashTable *h,IteratorFunc i,void *u);
|
|
void hashtable_foreach_update(HashTable *h,IteratorUpdateFunc i,void *u);
|
|
int hashtable_insert(HashTable *h,HashKey_t key,HashVal_t val);
|
|
int hashtable_update(HashTable *h,HashKey_t key,HashVal_t val);
|
|
int hashtable_lookup(const HashTable *h,const HashKey_t key,HashVal_t *valp);
|
|
int hashtable_lookup_or_insert(HashTable *h,HashKey_t key,HashVal_t *valp,HashVal_t val);
|
|
int hashtable_insert_or_update_computed(HashTable *h,HashKey_t key,ComputeFunc newFunc,ComputeFunc existsFunc);
|
|
int hashtable_delete(HashTable *h,const HashKey_t key);
|
|
int hashtable_remove(HashTable *h,const HashKey_t key,HashKey_t *keyRet,HashVal_t *valRet);
|
|
void *hashtable_set_user_data(HashTable *h,void *data);
|
|
void *hashtable_get_user_data(const HashTable *h);
|
|
KeyDestroyFunc hashtable_set_key_destroy_func(HashTable *,KeyDestroyFunc d);
|
|
ValDestroyFunc hashtable_set_value_destroy_func(HashTable *,ValDestroyFunc d);
|
|
uint32_t hashtable_get_count(const HashTable *h);
|
|
void hashtable_rehash(HashTable *h);
|
|
void hashtable_rehash_compute(HashTable *h,CollisionFunc cf);
|
|
|
|
#endif // __QUANTHASH_H__
|