RetroArch/gfx/gfx_thumbnail_path.h

160 lines
6.5 KiB
C

/* Copyright (C) 2010-2019 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (gfx_thumbnail_path.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __GFX_THUMBNAIL_PATH_H
#define __GFX_THUMBNAIL_PATH_H
#include <retro_common_api.h>
#include <libretro.h>
#include <boolean.h>
#include "../playlist.h"
RETRO_BEGIN_DECLS
/* Note: This implementation reflects the current
* setup of:
* - menu_driver_set_thumbnail_system()
* - menu_driver_set_thumbnail_content()
* - menu_driver_update_thumbnail_path()
* This is absolutely not the best way to handle things,
* but I have no interest in rewriting the existing
* menu code... */
enum gfx_thumbnail_id
{
GFX_THUMBNAIL_RIGHT = 0,
GFX_THUMBNAIL_LEFT
};
/* Prevent direct access to gfx_thumbnail_path_data_t members */
typedef struct gfx_thumbnail_path_data gfx_thumbnail_path_data_t;
/* Initialisation */
/* Creates new thumbnail path data container.
* Returns handle to new gfx_thumbnail_path_data_t object.
* on success, otherwise NULL.
* Note: Returned object must be free()d */
gfx_thumbnail_path_data_t *gfx_thumbnail_path_init(void);
/* Resets thumbnail path data
* (blanks all internal string containers) */
void gfx_thumbnail_path_reset(gfx_thumbnail_path_data_t *path_data);
/* Utility Functions */
/* Fetches the thumbnail subdirectory (Named_Snaps,
* Named_Titles, Named_Boxarts) corresponding to the
* specified 'type index' (1, 2, 3).
* Returns true if 'type index' is valid */
bool gfx_thumbnail_get_sub_directory(unsigned type_idx, const char **sub_directory);
/* Returns currently set thumbnail 'type' (Named_Snaps,
* Named_Titles, Named_Boxarts) for specified thumbnail
* identifier (right, left) */
const char *gfx_thumbnail_get_type(gfx_thumbnail_path_data_t *path_data, enum gfx_thumbnail_id thumbnail_id);
/* Returns true if specified thumbnail is enabled
* (i.e. if 'type' is not equal to MENU_ENUM_LABEL_VALUE_OFF) */
bool gfx_thumbnail_is_enabled(gfx_thumbnail_path_data_t *path_data, enum gfx_thumbnail_id thumbnail_id);
/* Setters */
/* Sets current 'system' (default database name).
* Returns true if 'system' is valid.
* If playlist is provided, extracts system-specific
* thumbnail assignment metadata (required for accurate
* usage of gfx_thumbnail_is_enabled())
* > Used as a fallback when individual content lacks an
* associated database name */
bool gfx_thumbnail_set_system(gfx_thumbnail_path_data_t *path_data, const char *system, playlist_t *playlist);
/* Sets current thumbnail content according to the specified label.
* Returns true if content is valid */
bool gfx_thumbnail_set_content(gfx_thumbnail_path_data_t *path_data, const char *label);
/* Sets current thumbnail content to the specified image.
* Returns true if content is valid */
bool gfx_thumbnail_set_content_image(gfx_thumbnail_path_data_t *path_data, const char *img_dir, const char *img_name);
/* Sets current thumbnail content to the specified playlist entry.
* Returns true if content is valid.
* > Note: It is always best to use playlists when setting
* thumbnail content, since there is no guarantee that the
* corresponding menu entry label will contain a useful
* identifier (it may be 'tainted', e.g. with the current
* core name). 'Real' labels should be extracted from source */
bool gfx_thumbnail_set_content_playlist(gfx_thumbnail_path_data_t *path_data, playlist_t *playlist, size_t idx);
/* Updaters */
/* Updates path for specified thumbnail identifier (right, left).
* Must be called after:
* - gfx_thumbnail_set_system()
* - gfx_thumbnail_set_content*()
* ...and before:
* - gfx_thumbnail_get_path()
* Returns true if generated path is valid */
bool gfx_thumbnail_update_path(gfx_thumbnail_path_data_t *path_data, enum gfx_thumbnail_id thumbnail_id);
/* Getters */
/* Fetches the current thumbnail file path of the
* specified thumbnail 'type'.
* Returns true if path is valid. */
bool gfx_thumbnail_get_path(gfx_thumbnail_path_data_t *path_data, enum gfx_thumbnail_id thumbnail_id, const char **path);
/* Fetches current 'system' (default database name).
* Returns true if 'system' is valid. */
bool gfx_thumbnail_get_system(gfx_thumbnail_path_data_t *path_data, const char **system);
/* Fetches current content path.
* Returns true if content path is valid. */
bool gfx_thumbnail_get_content_path(gfx_thumbnail_path_data_t *path_data, const char **content_path);
/* Fetches current thumbnail label.
* Returns true if label is valid. */
bool gfx_thumbnail_get_label(gfx_thumbnail_path_data_t *path_data, const char **label);
/* Fetches current thumbnail core name.
* Returns true if core name is valid. */
bool gfx_thumbnail_get_core_name(gfx_thumbnail_path_data_t *path_data, const char **core_name);
/* Fetches current database name.
* Returns true if database name is valid. */
bool gfx_thumbnail_get_db_name(gfx_thumbnail_path_data_t *path_data, const char **db_name);
/* Fetches current thumbnail image name
* (name is the same for all thumbnail types).
* Returns true if image name is valid. */
bool gfx_thumbnail_get_img_name(gfx_thumbnail_path_data_t *path_data, const char **img_name);
/* Fetches current content directory.
* Returns true if content directory is valid. */
bool gfx_thumbnail_get_content_dir(gfx_thumbnail_path_data_t *path_data, char *content_dir, size_t len);
RETRO_END_DECLS
#endif