• picture.h
  • /* grabbag - Convenience lib for various routines common to several tools
     * Copyright (C) 2006-2009  Josh Coalson
     * Copyright (C) 2011-2025  Xiph.Org Foundation
     *
     * 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.,
     * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
     */
    
    /* This .h cannot be included by itself; #include "share/grabbag.h" instead. */
    
    #ifndef GRABBAG__PICTURE_H
    #define GRABBAG__PICTURE_H
    
    #include "FLAC/metadata.h"
    
    #ifdef __cplusplus
    extern "C" {
    #endif
    
    /* spec should be of the form "[TYPE]|MIME_TYPE|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE", e.g.
     *   "|image/jpeg|||cover.jpg"
     *   "4|image/jpeg||300x300x24|backcover.jpg"
     *   "|image/png|description|300x300x24/71|cover.png"
     *   "-->|image/gif||300x300x24/71|http://blah.blah.blah/cover.gif"
     *
     * empty type means default to FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER
     * empty resolution spec means to get from the file (cannot get used with "-->" linked images)
     * spec and error_message must not be NULL
     */
    FLAC__StreamMetadata *grabbag__picture_parse_specification(const char *spec, const char **error_message);
    
    typedef struct PictureResolution
    {	uint32_t width, height, depth, colors ;
    } PictureResolution ;
    
    FLAC__StreamMetadata *grabbag__picture_from_specification(int type, const char *mime_type, const char * description,
    		const PictureResolution * res, const char * filepath, const char **error_message);
    
    #ifdef __cplusplus
    }
    #endif
    
    #endif