1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
3 * Copyright (C) 2005, Teemu Tervo <teemu.tervo@gmx.net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2, or (at your option)
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include <glib/gi18n.h>
28 #include "comics-document.h"
29 #include "ev-document-misc.h"
30 #include "ev-document-thumbnails.h"
31 #include "ev-file-helpers.h"
33 struct _ComicsDocumentClass
35 GObjectClass parent_class;
38 struct _ComicsDocument
40 GObject parent_instance;
45 char *extract_command;
49 typedef struct _ComicsDocumentClass ComicsDocumentClass;
51 static void comics_document_document_iface_init (EvDocumentIface *iface);
52 static void comics_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
54 static GSList* get_supported_image_extensions (void);
55 static void get_page_size_area_prepared_cb (GdkPixbufLoader *loader,
57 static void render_pixbuf_size_prepared_cb (GdkPixbufLoader *loader,
61 static char** extract_argv (EvDocument *document,
65 EV_BACKEND_REGISTER_WITH_CODE (ComicsDocument, comics_document,
67 EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
68 comics_document_document_thumbnails_iface_init);
72 comics_regex_quote (const char *s)
76 d = ret = g_malloc (strlen (s) * 4 + 3);
80 for (; *s; s++, d++) {
106 comics_document_load (EvDocument *document,
110 ComicsDocument *comics_document = COMICS_DOCUMENT (document);
111 GSList *supported_extensions;
113 GFileInfo *file_info;
114 gchar *list_files_command = NULL, *std_out, *quoted_file;
115 const gchar *mime_type = NULL;
120 comics_document->archive = g_filename_from_uri (uri, NULL, error);
121 g_return_val_if_fail (comics_document->archive != NULL, FALSE);
123 quoted_file = g_shell_quote (comics_document->archive);
124 file = g_file_new_for_uri (uri);
125 file_info = g_file_query_info (file,
126 G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
128 if (file_info != NULL) {
129 mime_type = g_file_info_get_content_type (file_info);
131 g_object_unref (file);
133 /* FIXME, use proper cbr/cbz mime types once they're
134 * included in shared-mime-info */
135 if (!strcmp (mime_type, "application/x-cbr")) {
136 comics_document->extract_command =
137 g_strdup ("unrar p -c- -ierr");
139 g_strdup_printf ("unrar vb -c- -- %s", quoted_file);
140 comics_document->regex_arg = FALSE;
141 } else if (!strcmp (mime_type, "application/x-cbz")) {
142 comics_document->extract_command =
143 g_strdup ("unzip -p -C");
145 g_strdup_printf ("zipinfo -1 -- %s", quoted_file);
146 comics_document->regex_arg = TRUE;
147 } else if (!strcmp (mime_type, "application/x-cb7")) {
148 comics_document->extract_command =
149 g_strdup ("7zr x -so");
151 g_strdup_printf ("7zr l -- %s", quoted_file);
152 comics_document->regex_arg = TRUE;
155 g_object_unref (file_info);
156 g_free (quoted_file);
158 /* Get list of files in archive */
159 success = g_spawn_command_line_sync (list_files_command,
160 &std_out, NULL, &retval, error);
161 g_free (list_files_command);
165 } else if (retval != 0) {
168 EV_DOCUMENT_ERROR_INVALID,
169 _("File corrupted."));
173 cbr_files = g_strsplit (std_out, "\n", 0);
174 supported_extensions = get_supported_image_extensions ();
175 for (i = 0; cbr_files[i] != NULL; i++) {
176 gchar *suffix = g_strrstr (cbr_files[i], ".");
179 suffix = g_ascii_strdown (suffix + 1, -1);
181 if (g_slist_find_custom (supported_extensions, suffix,
182 (GCompareFunc) strcmp) != NULL) {
183 comics_document->page_names =
184 g_slist_insert_sorted (
185 comics_document->page_names,
186 g_strdup (g_strstrip (cbr_files[i])),
187 (GCompareFunc) strcmp);
188 comics_document->n_pages++;
195 g_strfreev (cbr_files);
196 g_slist_foreach (supported_extensions, (GFunc) g_free, NULL);
197 g_slist_free (supported_extensions);
199 if (comics_document->n_pages == 0) {
202 EV_DOCUMENT_ERROR_INVALID,
203 _("No images found in archive %s"),
213 comics_document_save (EvDocument *document,
217 ComicsDocument *comics_document = COMICS_DOCUMENT (document);
219 return ev_xfer_uri_simple (comics_document->archive, uri, error);
223 comics_document_get_n_pages (EvDocument *document)
225 return COMICS_DOCUMENT (document)->n_pages;
229 comics_document_get_page_size (EvDocument *document,
234 GdkPixbufLoader *loader;
237 gboolean success, got_size = FALSE;
241 argv = extract_argv (document, page->index);
242 success = g_spawn_async_with_pipes (NULL, argv, NULL,
243 G_SPAWN_SEARCH_PATH | G_SPAWN_STDERR_TO_DEV_NULL,
246 NULL, &outpipe, NULL, NULL);
248 g_return_if_fail (success == TRUE);
250 loader = gdk_pixbuf_loader_new ();
251 g_signal_connect (loader, "area-prepared",
252 G_CALLBACK (get_page_size_area_prepared_cb),
255 while (outpipe >= 0) {
256 gssize bytes = read (outpipe, buf, 1024);
259 gdk_pixbuf_loader_write (loader, buf, bytes, NULL);
260 if (bytes <= 0 || got_size) {
263 gdk_pixbuf_loader_close (loader, NULL);
267 if (gdk_pixbuf_loader_get_pixbuf (loader)) {
268 GdkPixbuf *pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
270 *width = gdk_pixbuf_get_width (pixbuf);
272 *height = gdk_pixbuf_get_height (pixbuf);
275 g_spawn_close_pid (child_pid);
276 g_object_unref (loader);
280 get_page_size_area_prepared_cb (GdkPixbufLoader *loader,
283 gboolean *got_size = data;
288 comics_document_render_pixbuf (EvDocument *document,
291 GdkPixbufLoader *loader;
292 GdkPixbuf *rotated_pixbuf;
299 argv = extract_argv (document, rc->page->index);
300 success = g_spawn_async_with_pipes (NULL, argv, NULL,
302 | G_SPAWN_STDERR_TO_DEV_NULL,
305 NULL, &outpipe, NULL, NULL);
307 g_return_val_if_fail (success == TRUE, NULL);
309 loader = gdk_pixbuf_loader_new ();
310 g_signal_connect (loader, "size-prepared",
311 G_CALLBACK (render_pixbuf_size_prepared_cb), &rc->scale);
313 while (outpipe >= 0) {
314 gssize bytes = read (outpipe, buf, 4096);
317 gdk_pixbuf_loader_write (loader, buf, bytes, NULL);
318 } else if (bytes <= 0) {
320 gdk_pixbuf_loader_close (loader, NULL);
325 rotated_pixbuf = gdk_pixbuf_rotate_simple (gdk_pixbuf_loader_get_pixbuf (loader),
327 g_spawn_close_pid (child_pid);
328 g_object_unref (loader);
330 return rotated_pixbuf;
333 static cairo_surface_t *
334 comics_document_render (EvDocument *document,
338 cairo_surface_t *surface;
340 pixbuf = comics_document_render_pixbuf (document, rc);
341 surface = ev_document_misc_surface_from_pixbuf (pixbuf);
342 g_object_unref (pixbuf);
348 render_pixbuf_size_prepared_cb (GdkPixbufLoader *loader,
353 double *scale = data;
354 int w = (width * (*scale) + 0.5);
355 int h = (height * (*scale) + 0.5);
357 gdk_pixbuf_loader_set_size (loader, w, h);
361 comics_document_finalize (GObject *object)
363 ComicsDocument *comics_document = COMICS_DOCUMENT (object);
365 if (comics_document->archive)
366 g_free (comics_document->archive);
368 if (comics_document->page_names) {
369 g_slist_foreach (comics_document->page_names,
370 (GFunc) g_free, NULL);
371 g_slist_free (comics_document->page_names);
374 if (comics_document->extract_command)
375 g_free (comics_document->extract_command);
377 G_OBJECT_CLASS (comics_document_parent_class)->finalize (object);
381 comics_document_class_init (ComicsDocumentClass *klass)
383 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
384 gobject_class->finalize = comics_document_finalize;
387 static EvDocumentInfo *
388 comics_document_get_info (EvDocument *document)
390 EvDocumentInfo *info;
391 info = g_new0 (EvDocumentInfo, 1);
396 comics_document_document_iface_init (EvDocumentIface *iface)
398 iface->load = comics_document_load;
399 iface->save = comics_document_save;
400 iface->get_n_pages = comics_document_get_n_pages;
401 iface->get_page_size = comics_document_get_page_size;
402 iface->render = comics_document_render;
403 iface->get_info = comics_document_get_info;
407 comics_document_init (ComicsDocument *comics_document)
409 comics_document->archive = NULL;
410 comics_document->page_names = NULL;
411 comics_document->extract_command = NULL;
412 comics_document->n_pages = 0;
415 /* Returns a list of file extensions supported by gdk-pixbuf */
417 get_supported_image_extensions()
419 GSList *extensions = NULL;
420 GSList *formats = gdk_pixbuf_get_formats ();
423 for (l = formats; l != NULL; l = l->next) {
425 gchar **ext = gdk_pixbuf_format_get_extensions (l->data);
427 for (i = 0; ext[i] != NULL; i++) {
428 extensions = g_slist_append (extensions,
435 g_slist_free (formats);
440 comics_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
444 GdkPixbuf *thumbnail;
446 thumbnail = comics_document_render_pixbuf (EV_DOCUMENT (document), rc);
449 GdkPixbuf *tmp_pixbuf = thumbnail;
451 thumbnail = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf);
452 g_object_unref (tmp_pixbuf);
459 comics_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
464 gdouble page_width, page_height;
466 comics_document_get_page_size (EV_DOCUMENT (document), rc->page,
467 &page_width, &page_height);
469 if (rc->rotation == 90 || rc->rotation == 270) {
470 *width = (gint) (page_height * rc->scale);
471 *height = (gint) (page_width * rc->scale);
473 *width = (gint) (page_width * rc->scale);
474 *height = (gint) (page_height * rc->scale);
479 comics_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
481 iface->get_thumbnail = comics_document_thumbnails_get_thumbnail;
482 iface->get_dimensions = comics_document_thumbnails_get_dimensions;
486 extract_argv (EvDocument *document, gint page)
488 ComicsDocument *comics_document = COMICS_DOCUMENT (document);
490 char *command_line, *quoted_archive, *quoted_filename;
493 quoted_archive = g_shell_quote (comics_document->archive);
494 if (comics_document->regex_arg) {
495 quoted_filename = comics_regex_quote (
496 g_slist_nth_data (comics_document->page_names, page));
498 quoted_filename = g_shell_quote (
499 g_slist_nth_data (comics_document->page_names, page));
502 command_line = g_strdup_printf ("%s -- %s %s",
503 comics_document->extract_command,
507 g_shell_parse_argv (command_line, NULL, &argv, &err);
510 g_warning ("Error %s", err->message);
514 g_free (command_line);
515 g_free (quoted_archive);
516 g_free (quoted_filename);