1 /*
2 * Copyright (C) 20018 - The Geeqie Team
3 *
4 * Author: Colin Clark
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21 #include "main.h"
22 #include "image-load.h"
23 #include "image_load_collection.h"
24
25 #include "cache.h"
26 #include "misc.h"
27 #include "ui_fileops.h"
28
29 typedef struct _ImageLoaderCOLLECTION ImageLoaderCOLLECTION;
30 struct _ImageLoaderCOLLECTION {
31 ImageLoaderBackendCbAreaUpdated area_updated_cb;
32 ImageLoaderBackendCbSize size_cb;
33 ImageLoaderBackendCbAreaPrepared area_prepared_cb;
34 gpointer data;
35 GdkPixbuf *pixbuf;
36 guint requested_width;
37 guint requested_height;
38 gboolean abort;
39 };
40
image_loader_collection_load(gpointer loader,const guchar * buf,gsize count,GError ** error)41 static gboolean image_loader_collection_load(gpointer loader, const guchar *buf, gsize count, GError **error)
42 {
43 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader;
44 ImageLoader *il = ld->data;
45
46 #define LINE_LENGTH 1000
47
48 gboolean ret = FALSE;
49 gchar *randname;
50 gchar *cmd_line;
51 FILE *fp = NULL;
52 gint line_count = 0;
53 GString *file_names = g_string_new(NULL);
54 gchar line[LINE_LENGTH];
55 gchar **split_line = NULL;
56 gchar *cache_found;
57 gchar *pathl;
58
59 if (runcmd("which montage >/dev/null 2>&1") == 0)
60 {
61 pathl = path_from_utf8(il->fd->path);
62 fp = fopen(pathl, "r");
63 g_free(pathl);
64 if (fp)
65 {
66 while(fgets(line, LINE_LENGTH, fp) && line_count < options->thumbnails.collection_preview)
67 {
68 if (line[0] && line[0] != '#')
69 {
70 split_line = g_strsplit(line, "\"", 4);
71 cache_found = cache_find_location(CACHE_TYPE_THUMB, split_line[1]);
72 if (cache_found)
73 {
74 file_names = g_string_append(file_names, g_strconcat("\"", cache_found,"\" ", NULL));
75 line_count++;
76 }
77 g_free(cache_found);
78 }
79 if (split_line)
80 {
81 g_strfreev(split_line);
82 }
83 split_line = NULL;
84 }
85 fclose(fp);
86
87 if (file_names->len > 0)
88 {
89 randname = g_strdup("/tmp/geeqie_collection_XXXXXX.png");
90 g_mkstemp(randname);
91
92 cmd_line = g_strdup_printf("montage %s -geometry %dx%d+1+1 %s >/dev/null 2>&1", file_names->str, options->thumbnails.max_width, options->thumbnails.max_height, randname);
93
94 runcmd(cmd_line);
95 ld->pixbuf = gdk_pixbuf_new_from_file(randname, NULL);
96 if (ld->pixbuf)
97 {
98 ld->area_updated_cb(loader, 0, 0, gdk_pixbuf_get_width(ld->pixbuf), gdk_pixbuf_get_height(ld->pixbuf), ld->data);
99 }
100
101 unlink(randname);
102 g_free(randname);
103 g_string_free(file_names, TRUE);
104 g_free(cmd_line);
105
106 ret = TRUE;
107 }
108 else
109 {
110 g_string_free(file_names, TRUE);
111 }
112 }
113 }
114 return ret;
115 }
116
image_loader_collection_new(ImageLoaderBackendCbAreaUpdated area_updated_cb,ImageLoaderBackendCbSize size_cb,ImageLoaderBackendCbAreaPrepared area_prepared_cb,gpointer data)117 static gpointer image_loader_collection_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
118 {
119 ImageLoaderCOLLECTION *loader = g_new0(ImageLoaderCOLLECTION, 1);
120 loader->area_updated_cb = area_updated_cb;
121 loader->size_cb = size_cb;
122 loader->area_prepared_cb = area_prepared_cb;
123 loader->data = data;
124 return (gpointer) loader;
125 }
126
image_loader_collection_set_size(gpointer loader,int width,int height)127 static void image_loader_collection_set_size(gpointer loader, int width, int height)
128 {
129 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader;
130 ld->requested_width = width;
131 ld->requested_height = height;
132 }
133
image_loader_collection_get_pixbuf(gpointer loader)134 static GdkPixbuf* image_loader_collection_get_pixbuf(gpointer loader)
135 {
136 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader;
137 return ld->pixbuf;
138 }
139
image_loader_collection_get_format_name(gpointer loader)140 static gchar* image_loader_collection_get_format_name(gpointer loader)
141 {
142 return g_strdup("collection");
143 }
image_loader_collection_get_format_mime_types(gpointer loader)144 static gchar** image_loader_collection_get_format_mime_types(gpointer loader)
145 {
146 static gchar *mime[] = {"image/png", NULL};
147 return g_strdupv(mime);
148 }
149
image_loader_collection_close(gpointer loader,GError ** error)150 static gboolean image_loader_collection_close(gpointer loader, GError **error)
151 {
152 return TRUE;
153 }
154
image_loader_collection_abort(gpointer loader)155 static void image_loader_collection_abort(gpointer loader)
156 {
157 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader;
158 ld->abort = TRUE;
159 }
160
image_loader_collection_free(gpointer loader)161 static void image_loader_collection_free(gpointer loader)
162 {
163 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader;
164 if (ld->pixbuf) g_object_unref(ld->pixbuf);
165 g_free(ld);
166 }
167
image_loader_backend_set_collection(ImageLoaderBackend * funcs)168 void image_loader_backend_set_collection(ImageLoaderBackend *funcs)
169 {
170 funcs->loader_new = image_loader_collection_new;
171 funcs->set_size = image_loader_collection_set_size;
172 funcs->load = image_loader_collection_load;
173 funcs->write = NULL;
174 funcs->get_pixbuf = image_loader_collection_get_pixbuf;
175 funcs->close = image_loader_collection_close;
176 funcs->abort = image_loader_collection_abort;
177 funcs->free = image_loader_collection_free;
178 funcs->get_format_name = image_loader_collection_get_format_name;
179 funcs->get_format_mime_types = image_loader_collection_get_format_mime_types;
180 }
181
182 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
183