X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=thumbnailer%2Fevince-thumbnailer.c;h=94d6b77ea334d3b676aa9ba4f2f840ea819d6ecd;hb=f141875c47957833b205641813d0d14e7656d38f;hp=d7db2654a864122592fb232609d94b9ebef2329f;hpb=b006971d2c876b5ae62e2ed917496d370e90333c;p=evince.git diff --git a/thumbnailer/evince-thumbnailer.c b/thumbnailer/evince-thumbnailer.c index d7db2654..94d6b77e 100644 --- a/thumbnailer/evince-thumbnailer.c +++ b/thumbnailer/evince-thumbnailer.c @@ -13,107 +13,290 @@ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#include +#include -#include -#include -#include -#include +#include -#include -#include +#include +#include #include +#ifdef G_OS_WIN32 +#include +#include +#if !(_WIN32_WINNT >= 0x0500) +#error "_WIN32_WINNT must be defined >= 0x0500" +#endif +#include +#endif + #define THUMBNAIL_SIZE 128 -static gboolean -evince_thumbnail_pngenc_get (const char *uri, const char *thumbnail) +static gint size = THUMBNAIL_SIZE; +static const gchar **file_arguments; + +static const GOptionEntry goption_options[] = { + { "size", 's', 0, G_OPTION_ARG_INT, &size, NULL, "SIZE" }, + { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &file_arguments, NULL, " " }, + { NULL } +}; + +struct AsyncData { + EvDocument *document; + const gchar *output; + gint size; + gboolean success; +}; + +static void +delete_temp_file (GFile *file) +{ + ev_tmp_file_unlink (file); + g_object_unref (file); +} + +static EvDocument * +evince_thumbnailer_get_document (GFile *file) { EvDocument *document = NULL; - char *mime_type; - GError *error; - GdkPixbuf *pixbuf; + gchar *uri; + GFile *tmp_file = NULL; + GError *error = NULL; - mime_type = gnome_vfs_get_mime_type (uri); - if (mime_type == NULL) - return FALSE; + if (!g_file_is_native (file)) { + gchar *base_name, *template; - if (!strcmp (mime_type, "application/pdf")) - document = g_object_new (PDF_TYPE_DOCUMENT, NULL); - else - return FALSE; + base_name = g_file_get_basename (file); + template = g_strdup_printf ("document.XXXXXX-%s", base_name); + g_free (base_name); + + tmp_file = ev_mkstemp_file (template, &error); + g_free (template); + if (!tmp_file) { + g_printerr ("Error loading remote document: %s\n", error->message); + g_error_free (error); + + return NULL; + } + + g_file_copy (file, tmp_file, G_FILE_COPY_OVERWRITE, + NULL, NULL, NULL, &error); + if (error) { + g_printerr ("Error loading remote document: %s\n", error->message); + g_error_free (error); + g_object_unref (tmp_file); + + return NULL; + } + uri = g_file_get_uri (tmp_file); + } else { + uri = g_file_get_uri (file); + } - if (!ev_document_load (document, uri, &error)) { + document = ev_document_factory_get_document (uri, &error); + if (tmp_file) { + if (document) { + g_object_weak_ref (G_OBJECT (document), + (GWeakNotify)delete_temp_file, + tmp_file); + } else { + ev_tmp_file_unlink (tmp_file); + g_object_unref (tmp_file); + } + } + g_free (uri); + if (error) { if (error->domain == EV_DOCUMENT_ERROR && - error->code == EV_DOCUMENT_ERROR_ENCRYPTED) { + error->code == EV_DOCUMENT_ERROR_ENCRYPTED) { /* FIXME: Create a thumb for cryp docs */ + g_error_free (error); + return NULL; } + g_printerr ("Error loading document: %s\n", error->message); g_error_free (error); - return FALSE; + return NULL; } - pixbuf = ev_document_thumbnails_get_thumbnail - (EV_DOCUMENT_THUMBNAILS (document), 0, THUMBNAIL_SIZE, FALSE); + return document; +} + +static gboolean +evince_thumbnail_pngenc_get (EvDocument *document, const char *thumbnail, int size) +{ + EvRenderContext *rc; + double width, height; + GdkPixbuf *pixbuf; + EvPage *page; + + page = ev_document_get_page (document, 0); + + ev_document_get_page_size (document, 0, &width, &height); + + rc = ev_render_context_new (page, 0, size / width); + pixbuf = ev_document_get_thumbnail (document, rc); + g_object_unref (rc); + g_object_unref (page); if (pixbuf != NULL) { - GdkPixbuf *pdflogo; - - pdflogo = gdk_pixbuf_new_from_file (DATADIR"/pdf-icon.png", NULL); - if (pdflogo != NULL) { - int delta_height, delta_width; - - delta_width = gdk_pixbuf_get_width (pixbuf) - - gdk_pixbuf_get_width (pdflogo); - delta_height = gdk_pixbuf_get_height (pixbuf) - - gdk_pixbuf_get_height (pdflogo); - - gdk_pixbuf_composite (pdflogo, pixbuf, - delta_width, delta_height, - gdk_pixbuf_get_width (pdflogo), - gdk_pixbuf_get_height (pdflogo), - delta_width, delta_height, - 1, 1, - GDK_INTERP_NEAREST, 100); - - gdk_pixbuf_unref (pdflogo); + const char *overlaid_icon_name = NULL; + + if (overlaid_icon_name) { + GdkPixbuf *overlaid_pixbuf; + +#ifdef G_OS_WIN32 + gchar *dir = g_win32_get_package_installation_directory_of_module (NULL); + gchar *overlaid_icon_path = g_build_filename (dir, "share", "evince", overlaid_icon_name, NULL); + g_free (dir); +#else + gchar *overlaid_icon_path = g_strdup_printf ("%s/%s", EVINCEDATADIR, overlaid_icon_name); +#endif + overlaid_pixbuf = gdk_pixbuf_new_from_file (overlaid_icon_path, NULL); + g_free (overlaid_icon_path); + if (overlaid_pixbuf != NULL) { + int delta_height, delta_width; + + delta_width = gdk_pixbuf_get_width (pixbuf) - + gdk_pixbuf_get_width (overlaid_pixbuf); + delta_height = gdk_pixbuf_get_height (pixbuf) - + gdk_pixbuf_get_height (overlaid_pixbuf); + + gdk_pixbuf_composite (overlaid_pixbuf, pixbuf, + delta_width, delta_height, + gdk_pixbuf_get_width (overlaid_pixbuf), + gdk_pixbuf_get_height (overlaid_pixbuf), + delta_width, delta_height, + 1, 1, + GDK_INTERP_NEAREST, 100); + + g_object_unref (overlaid_pixbuf); + } } + if (gdk_pixbuf_save (pixbuf, thumbnail, "png", NULL, NULL)) { - gdk_pixbuf_unref (pixbuf); - g_object_unref (document); + g_object_unref (pixbuf); return TRUE; - } else { - gdk_pixbuf_unref (pixbuf); - g_object_unref (document); } + + g_object_unref (pixbuf); } + return FALSE; } +static gpointer +evince_thumbnail_pngenc_get_async (struct AsyncData *data) +{ + ev_document_doc_mutex_lock (); + data->success = evince_thumbnail_pngenc_get (data->document, + data->output, + data->size); + ev_document_doc_mutex_unlock (); + + g_idle_add ((GSourceFunc)gtk_main_quit, NULL); + + return NULL; +} + +static void +print_usage (GOptionContext *context) +{ + gchar *help; + + help = g_option_context_get_help (context, TRUE, NULL); + g_print ("%s", help); + g_free (help); +} + int main (int argc, char *argv[]) { - int res; - char *uri; + EvDocument *document; + GOptionContext *context; + const char *input; + const char *output; + GFile *file; + GError *error = NULL; + + context = g_option_context_new ("- GNOME Document Thumbnailer"); + g_option_context_add_main_entries (context, goption_options, NULL); + + if (!g_option_context_parse (context, &argc, &argv, &error)) { + g_printerr ("%s\n", error->message); + g_error_free (error); + print_usage (context); + g_option_context_free (context); - if (argc != 3) { - g_print ("%s: thumbnailer for Nautilus\n", argv[0]); - g_print ("usage: %s \n", argv[0]); return -1; } - res = gnome_vfs_init (); + input = file_arguments ? file_arguments[0] : NULL; + output = input ? file_arguments[1] : NULL; + if (!input || !output) { + print_usage (context); + g_option_context_free (context); - uri = gnome_vfs_make_uri_from_shell_arg (argv[1]); + return -1; + } + + g_option_context_free (context); - if (evince_thumbnail_pngenc_get (uri, argv[2])) { - g_free (uri); - return 0; - } else { - g_free (uri); + if (size < 1) { + g_print ("Size cannot be smaller than 1 pixel\n"); + return -1; + } + + input = file_arguments[0]; + output = file_arguments[1]; + + g_type_init (); + + if (!g_thread_supported ()) + g_thread_init (NULL); + + if (!ev_init ()) + return -1; + + file = g_file_new_for_commandline_arg (input); + document = evince_thumbnailer_get_document (file); + g_object_unref (file); + + if (!document) { + ev_shutdown (); return -2; } + + if (EV_IS_ASYNC_RENDERER (document)) { + struct AsyncData data; + + gtk_init (&argc, &argv); + + data.document = document; + data.output = output; + data.size = size; + + g_thread_create ((GThreadFunc) evince_thumbnail_pngenc_get_async, + &data, FALSE, NULL); + + gtk_main (); + + g_object_unref (document); + ev_shutdown (); + + return data.success ? 0 : -2; + } + + if (!evince_thumbnail_pngenc_get (document, output, size)) { + g_object_unref (document); + ev_shutdown (); + return -2; + } + + g_object_unref (document); + ev_shutdown (); + + return 0; }