1 /*
2  * Copyright (C) 2004 John Ellis
3  * Copyright (C) 2008 - 2016 The Geeqie Team
4  *
5  * Author: John Ellis
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21 
22 #ifndef CACHE_H
23 #define CACHE_H
24 
25 
26 #include "similar.h"
27 
28 
29 #define GQ_CACHE_THUMB		"thumbnails"
30 #define GQ_CACHE_METADATA    	"metadata"
31 
32 #define GQ_CACHE_LOCAL_THUMB    ".thumbnails"
33 #define GQ_CACHE_LOCAL_METADATA ".metadata"
34 
35 #define GQ_CACHE_EXT_THUMB      ".png"
36 #define GQ_CACHE_EXT_SIM        ".sim"
37 #define GQ_CACHE_EXT_METADATA   ".meta"
38 #define GQ_CACHE_EXT_XMP_METADATA   ".gq.xmp"
39 
40 
41 typedef enum {
42 	CACHE_TYPE_THUMB,
43 	CACHE_TYPE_SIM,
44 	CACHE_TYPE_METADATA,
45 	CACHE_TYPE_XMP_METADATA
46 } CacheType;
47 
48 typedef struct _CacheData CacheData;
49 struct _CacheData
50 {
51 	gchar *path;
52 	gint width;
53 	gint height;
54 	time_t date;
55 	guchar md5sum[16];
56 	ImageSimilarityData *sim;
57 
58 	gboolean dimensions;
59 	gboolean have_date;
60 	gboolean have_md5sum;
61 	gboolean similarity;
62 };
63 
64 gboolean cache_time_valid(const gchar *cache, const gchar *path);
65 
66 
67 CacheData *cache_sim_data_new(void);
68 void cache_sim_data_free(CacheData *cd);
69 
70 gboolean cache_sim_data_save(CacheData *cd);
71 CacheData *cache_sim_data_load(const gchar *path);
72 
73 void cache_sim_data_set_dimensions(CacheData *cd, gint w, gint h);
74 void cache_sim_data_set_date(CacheData *cd, time_t date);
75 void cache_sim_data_set_md5sum(CacheData *cd, guchar digest[16]);
76 void cache_sim_data_set_similarity(CacheData *cd, ImageSimilarityData *sd);
77 gint cache_sim_data_filled(ImageSimilarityData *sd);
78 
79 gchar *cache_get_location(CacheType type, const gchar *source, gint include_name, mode_t *mode);
80 gchar *cache_find_location(CacheType type, const gchar *source);
81 
82 const gchar *get_thumbnails_cache_dir(void);
83 const gchar *get_thumbnails_standard_cache_dir(void);
84 const gchar *get_metadata_cache_dir(void);
85 
86 #endif
87 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
88