Allow printing to PDF when suppoted by the backend.

2006-12-03  Carlos Garcia Campos  <carlosgc@gnome.org>
	* configure.ac:
	* backend/Makefile.am:
	* backend/ev-file-exporter.[ch]:
	* pdf/ev-poppler.cc: (pdf_document_file_exporter_*):
	* ps/ps-document.c: (ps_document_file_exporter_*):
	* tiff/tiff-document.c: (tiff_document_document_file_exporter_*):
	* shell/ev-jobs.[ch]: (ev_job_print_new), (ev_job_print_run):
	* shell/ev-window.c: (ev_window_setup_action_sensitivity),
	(ev_window_print_dialog_response_cb), (ev_window_print_range):
	Allow printing to PDF when suppoted by the backend.

1 files changed, 91 insertions, 0 deletions

diff --git a/backend/ev-file-exporter.c b/backend/ev-file-exporter.c
new file mode 100644
index 0000000..7a4e902
--- /dev/null
+++ b/backend/ev-file-exporter.c
@@ -0,0 +1,91 @@
+/* this file is part of evince, a gnome document viewer
+ *
+ *  Copyright (C) 2004 Martin Kretzschmar
+ *
+ *  Author:
+ *    Martin Kretzschmar <martink@gnome.org>
+ *
+ * Evince 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.
+ *
+ * Evince 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "ev-file-exporter.h"
+
+GType
+ev_file_exporter_get_type (void)
+{
+        static GType type = 0;
+
+        if (G_UNLIKELY (type == 0)) {
+                const GTypeInfo our_info =
+                {
+                        sizeof (EvFileExporterIface),
+                        NULL,
+                        NULL,
+                };
+
+                type = g_type_register_static (G_TYPE_INTERFACE,
+                                               "EvFileExporter",
+                                               &our_info, (GTypeFlags)0);
+        }
+
+        return type;
+}
+
+gboolean
+ev_file_exporter_format_supported (EvFileExporter      *exporter,
+				   EvFileExporterFormat format)
+{
+	EvFileExporterIface *iface = EV_FILE_EXPORTER_GET_IFACE (exporter);
+
+	if (format < EV_FILE_FORMAT_PS ||
+	    format > EV_FILE_FORMAT_PDF)
+		return FALSE;
+
+	return iface->format_supported (exporter, format);
+}
+
+void
+ev_file_exporter_begin (EvFileExporter      *exporter,
+                        EvFileExporterFormat format,
+                        const gchar         *filename,
+                        gint                 first_page,
+                        gint                 last_page,
+                        gdouble              paper_width,
+                        gdouble              paper_height,
+                        gboolean             duplex)
+{
+        EvFileExporterIface *iface = EV_FILE_EXPORTER_GET_IFACE (exporter);
+
+	g_return_if_fail (ev_file_exporter_format_supported (exporter, format));
+
+        iface->begin (exporter, format, filename, first_page, last_page,
+                      paper_width, paper_height, duplex);
+}
+
+void
+ev_file_exporter_do_page (EvFileExporter *exporter, EvRenderContext *rc)
+{
+        EvFileExporterIface *iface = EV_FILE_EXPORTER_GET_IFACE (exporter);
+
+        iface->do_page (exporter, rc);
+}
+
+void
+ev_file_exporter_end (EvFileExporter *exporter)
+{
+        EvFileExporterIface *iface = EV_FILE_EXPORTER_GET_IFACE (exporter);
+
+        iface->end (exporter);
+}