X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=backend%2Fdvi%2Fdvi-document.c;h=c8295232a3aaaa5b8481b6d4ba120bce58f2e1d6;hb=f51872613abaaa42c716e2fe6a2e4695c529dc4b;hp=56d8bbb84aa7facd1553671528934244e4626676;hpb=4ce480dd80453275c10c3b99f988667c2f1bdfff;p=evince.git

diff --git a/backend/dvi/dvi-document.c b/backend/dvi/dvi-document.c
index 56d8bbb8..c8295232 100644
--- a/backend/dvi/dvi-document.c
+++ b/backend/dvi/dvi-document.c
@@ -17,15 +17,18 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#include "config.h"
+
+#include <config.h>
 #include "dvi-document.h"
 #include "ev-document-thumbnails.h"
 #include "ev-document-misc.h"
+#include "ev-file-exporter.h"
 
 #include "mdvi.h"
 #include "fonts.h"
 #include "cairo-device.h"
 
-#include <gtk/gtk.h>
 #include <glib/gi18n.h>
 
 GMutex *dvi_context_mutex = NULL;
@@ -53,12 +56,17 @@ struct _DviDocument
 	double base_height;
 	
 	gchar *uri;
+
+	/* PDF exporter */
+	gchar		 *exporter_filename;
+	GString 	 *exporter_opts;
 };
 
 typedef struct _DviDocumentClass DviDocumentClass;
 
 static void dvi_document_document_iface_init            (EvDocumentIface           *iface);
 static void dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
+static void dvi_document_file_exporter_iface_init	(EvFileExporterIface 	   *iface);
 static void dvi_document_get_page_size 			(EvDocument                *document,
 					    		 int                        page,
 							 double                    *width,
@@ -67,11 +75,10 @@ static void dvi_document_do_color_special               (DviContext
 							 const char                *prefix,
 							 const char                *arg);
 
-G_DEFINE_TYPE_WITH_CODE 
-    (DviDocument, dvi_document, G_TYPE_OBJECT, 
-    {
-      G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, dvi_document_document_iface_init);    
-      G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, dvi_document_document_thumbnails_iface_init)
+EV_BACKEND_REGISTER_WITH_CODE (DviDocument, dvi_document,
+     {
+      G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, dvi_document_document_thumbnails_iface_init);
+      G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, dvi_document_file_exporter_iface_init);
      });
 
 static gboolean
@@ -217,6 +224,12 @@ dvi_document_finalize (GObject *object)
 	if (dvi_document->params)
 		g_free (dvi_document->params);
 
+	if (dvi_document->exporter_filename)
+		g_free (dvi_document->exporter_filename);
+	
+	if (dvi_document->exporter_opts)
+		g_string_free (dvi_document->exporter_opts, TRUE);
+
         g_free (dvi_document->uri);
 		
 	G_OBJECT_CLASS (dvi_document_parent_class)->finalize (object);
@@ -237,12 +250,6 @@ dvi_document_class_init (DviDocumentClass *klass)
 	dvi_context_mutex = g_mutex_new ();
 }
 
-static gboolean
-dvi_document_can_get_text (EvDocument *document)
-{
-	return FALSE;
-}
-
 static EvDocumentInfo *
 dvi_document_get_info (EvDocument *document)
 {
@@ -258,7 +265,6 @@ dvi_document_document_iface_init (EvDocumentIface *iface)
 {
 	iface->load = dvi_document_load;
 	iface->save = dvi_document_save;
-	iface->can_get_text = dvi_document_can_get_text;
 	iface->get_n_pages = dvi_document_get_n_pages;
 	iface->get_page_size = dvi_document_get_page_size;
 	iface->render = dvi_document_render;
@@ -348,6 +354,84 @@ dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
 	iface->get_dimensions = dvi_document_thumbnails_get_dimensions;
 }
 
+/* EvFileExporterIface */
+static void
+dvi_document_file_exporter_begin (EvFileExporter        *exporter,
+				  EvFileExporterContext *fc)
+{
+	DviDocument *dvi_document = DVI_DOCUMENT(exporter);
+	
+	if (dvi_document->exporter_filename)
+		g_free (dvi_document->exporter_filename);	
+	dvi_document->exporter_filename = g_strdup (fc->filename);
+	
+	if (dvi_document->exporter_opts) {
+		g_string_free (dvi_document->exporter_opts, TRUE);
+	}
+	dvi_document->exporter_opts = g_string_new ("-s ");
+}
+
+static void
+dvi_document_file_exporter_do_page (EvFileExporter  *exporter,
+				    EvRenderContext *rc)
+{
+       DviDocument *dvi_document = DVI_DOCUMENT(exporter);
+
+       g_string_append_printf (dvi_document->exporter_opts, "%d,", (rc->page) + 1);
+}
+
+static void
+dvi_document_file_exporter_end (EvFileExporter *exporter)
+{
+	gchar *command_line;
+	gint exit_stat;
+	GError *err = NULL;
+	gboolean success;
+	
+	DviDocument *dvi_document = DVI_DOCUMENT(exporter);
+	
+	command_line = g_strdup_printf ("dvipdfm %s -o %s \"%s\"", /* dvipdfm -s 1,2,.., -o exporter_filename dvi_filename */
+					dvi_document->exporter_opts->str,
+					dvi_document->exporter_filename,
+					dvi_document->context->filename);
+	
+	success = g_spawn_command_line_sync (command_line,
+					     NULL,
+					     NULL,
+					     &exit_stat,
+					     &err);
+
+	g_free (command_line);
+
+	if (success == FALSE) {
+		g_warning ("Error: %s", err->message);
+	} else if (exit_stat != 0) {
+		g_warning ("Error: dvipdfm exited with non-zero status.");
+	}
+
+	if (err)
+		g_error_free (err);
+}
+
+static EvFileExporterCapabilities
+dvi_document_file_exporter_get_capabilities (EvFileExporter *exporter)
+{
+	return  EV_FILE_EXPORTER_CAN_PAGE_SET |
+		EV_FILE_EXPORTER_CAN_COPIES |
+		EV_FILE_EXPORTER_CAN_COLLATE |
+		EV_FILE_EXPORTER_CAN_REVERSE |
+		EV_FILE_EXPORTER_CAN_GENERATE_PDF;
+}
+
+static void
+dvi_document_file_exporter_iface_init (EvFileExporterIface *iface)
+{
+        iface->begin = dvi_document_file_exporter_begin;
+        iface->do_page = dvi_document_file_exporter_do_page;
+        iface->end = dvi_document_file_exporter_end;
+	iface->get_capabilities = dvi_document_file_exporter_get_capabilities;
+}
+
 #define RGB2ULONG(r,g,b) ((0xFF<<24)|(r<<16)|(g<<8)|(b))
 
 static gboolean
@@ -524,4 +608,7 @@ dvi_document_init (DviDocument *dvi_document)
 {
 	dvi_document->context = NULL;
 	dvi_document_init_params (dvi_document);
+
+	dvi_document->exporter_filename = NULL;
+	dvi_document->exporter_opts = NULL;
 }