pidgin/pidgin

1966704b3e42
merge of '77693555855fe9cd3215414f79964dba346cc5fa'
and '19a87e98e5857ad0289f2c760d460f7f1dbbb42d'
/**
* @file imgstore.h IM Image Store API
* @ingroup core
*
* gaim
*
* Gaim is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _GAIM_IMGSTORE_H_
#define _GAIM_IMGSTORE_H_
struct _GaimStoredImage;
typedef struct _GaimStoredImage GaimStoredImage;
#ifdef __cplusplus
extern "C" {
#endif
/**
* Add an image to the store. The caller owns a reference
* to the image in the store, and must dereference the image
* with gaim_imgstore_unref for it to be freed.
*
* @param data Pointer to the image data.
* @param size Image data's size.
* @param filename Filename associated with image.
* @return ID for the image.
*/
int gaim_imgstore_add(const void *data, size_t size, const char *filename);
/**
* Retrieve an image from the store. The caller does not own a
* reference to the image.
*
* @param id The ID for the image.
*
* @return A pointer to the requested image, or NULL if it was not found.
*/
GaimStoredImage *gaim_imgstore_get(int id);
/**
* Retrieves a pointer to the image's data.
*
* @param i The Image
*
* @return A pointer to the data, which must not
* be freed or modified.
*/
gpointer gaim_imgstore_get_data(GaimStoredImage *i);
/**
* Retrieves the length of the image's data.
*
* @param i The Image
*
* @return The size of the data that the pointer returned by
* gaim_imgstore_get_data points to.
*/
size_t gaim_imgstore_get_size(GaimStoredImage *i);
/**
* Retrieves a pointer to the image's filename.
*
* @param i The Image
*
* @return A pointer to the filename, which must not
* be freed or modified.
*/
const char *gaim_imgstore_get_filename(GaimStoredImage *i);
/**
* Increment the reference count for an image in the store. The
* image will be removed from the store when the reference count
* is zero.
*
* @param id The ID for the image.
*/
void gaim_imgstore_ref(int id);
/**
* Decrement the reference count for an image in the store. The
* image will be removed from the store when the reference count
* is zero.
*
* @param id The ID for the image.
*/
void gaim_imgstore_unref(int id);
#ifdef __cplusplus
}
#endif
#endif /* _GAIM_IMGSTORE_H_ */