home *** CD-ROM | disk | FTP | other *** search
- /**
- * @file imgstore.h IM Image Store API
- * @ingroup core
- *
- * purple
- *
- * Purple 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 _PURPLE_IMGSTORE_H_
- #define _PURPLE_IMGSTORE_H_
-
- #include <glib.h>
-
- struct _PurpleStoredImage;
- typedef struct _PurpleStoredImage PurpleStoredImage;
-
- #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 purple_imgstore_unref() for it to be freed.
- *
- * No ID is allocated when using this function. If you need to reference the
- * image by an ID, use purple_imgstore_add_with_id() instead.
- *
- * @param data Pointer to the image data, which the imgstore will take
- * ownership of and free as appropriate. If you want a
- * copy of the data, make it before calling this function.
- * @param size Image data's size.
- * @param filename Filename associated with image.
- *
- * @return The stored image.
- */
- PurpleStoredImage *
- purple_imgstore_add(gpointer data, size_t size, const char *filename);
-
- /**
- * Add an image to the store, allocating an ID.
- *
- * The caller owns a reference to the image in the store, and must dereference
- * the image with purple_imgstore_unref_by_id() or purple_imgstore_unref()
- * for it to be freed.
- *
- * @param data Pointer to the image data, which the imgstore will take
- * ownership of and free as appropriate. If you want a
- * copy of the data, make it before calling this function.
- * @param size Image data's size.
- * @param filename Filename associated with image.
-
- * @return ID for the image.
- */
- int purple_imgstore_add_with_id(gpointer 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.
- */
- PurpleStoredImage *purple_imgstore_find_by_id(int id);
-
- /**
- * Retrieves a pointer to the image's data.
- *
- * @param img The Image
- *
- * @return A pointer to the data, which must not
- * be freed or modified.
- */
- gconstpointer purple_imgstore_get_data(PurpleStoredImage *img);
-
- /**
- * Retrieves the length of the image's data.
- *
- * @param img The Image
- *
- * @return The size of the data that the pointer returned by
- * purple_imgstore_get_data points to.
- */
- size_t purple_imgstore_get_size(PurpleStoredImage *img);
-
- /**
- * Retrieves a pointer to the image's filename.
- *
- * @param img The image
- *
- * @return A pointer to the filename, which must not
- * be freed or modified.
- */
- const char *purple_imgstore_get_filename(const PurpleStoredImage *img);
-
- /**
- * Returns an extension corresponding to the image's file type.
- *
- * @param img The image.
- *
- * @return The icon's extension or "icon" if unknown.
- */
- const char *purple_imgstore_get_extension(PurpleStoredImage *img);
-
- /**
- * Increment the reference count.
- *
- * @param img The image.
- *
- * @return @a img
- */
- PurpleStoredImage *
- purple_imgstore_ref(PurpleStoredImage *img);
-
- /**
- * Decrement the reference count.
- *
- * If the reference count reaches zero, the image will be freed.
- *
- * @param img The image.
- *
- * @return @a img or @c NULL if the reference count reached zero.
- */
- PurpleStoredImage *
- purple_imgstore_unref(PurpleStoredImage *img);
-
- /**
- * Increment the reference count using an ID.
- *
- * This is a convience wrapper for purple_imgstore_find_by_id() and
- * purple_imgstore_ref(), so if you have a PurpleStoredImage, it'll
- * be more efficient to call purple_imgstore_ref() directly.
- *
- * @param id The ID for the image.
- */
- void purple_imgstore_ref_by_id(int id);
-
- /**
- * Decrement the reference count using an ID.
- *
- * This is a convience wrapper for purple_imgstore_find_by_id() and
- * purple_imgstore_unref(), so if you have a PurpleStoredImage, it'll
- * be more efficient to call purple_imgstore_unref() directly.
- *
- * @param id The ID for the image.
- */
- void purple_imgstore_unref_by_id(int id);
-
- /**
- * Returns the image store subsystem handle.
- *
- * @return The subsystem handle.
- */
- void *purple_imgstore_get_handle(void);
-
- /**
- * Initializes the image store subsystem.
- */
- void purple_imgstore_init(void);
-
- /**
- * Uninitializes the image store subsystem.
- */
- void purple_imgstore_uninit(void);
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* _PURPLE_IMGSTORE_H_ */
-