Based on a patch by J�rg Billeter <j@bitron.ch>

[evince.git] / ps / ps-document.c

diff --git a/ps/ps-document.c b/ps/ps-document.c
index 9ff165b74e4318f1772627e764aed2cc0dc7e69a..9a7bf70b0c61d5004aeeafcab83a428c086000b8 100644 (file)
--- a/ps/ps-document.c
+++ b/ps/ps-document.c
@@ -46,6 +46,7 @@
 #include "ps-document.h"
 #include "ev-debug.h"
 #include "gsdefaults.h"
+#include "ev-ps-exporter.h"
 
 #ifdef HAVE_LOCALE_H
 #   include <locale.h>
@@ -101,6 +102,7 @@ static void input(gpointer data, gint source, GdkInputCondition condition);
 static void stop_interpreter(PSDocument * gs);
 static gint start_interpreter(PSDocument * gs);
 static void ps_document_document_iface_init (EvDocumentIface *iface);
+static void ps_document_ps_exporter_iface_init (EvPSExporterIface *iface);
 static gboolean ps_document_widget_event (GtkWidget *widget, GdkEvent *event, gpointer data);
 
 static GObjectClass *parent_class = NULL;
@@ -142,6 +144,9 @@ ps_document_init (PSDocument *gs)
 
        gs->gs_status = _("No document loaded.");
 
+       gs->ps_export_pagelist = NULL;
+       gs->ps_export_filename = NULL;
+
        pixbuf_cond = g_cond_new ();
        pixbuf_mutex = g_mutex_new ();
 }
@@ -372,8 +377,6 @@ setup_pixmap (PSDocument *gs, int page, double scale)
        pixmap_width = floor (width * scale);
        pixmap_height = floor (height * scale);
 
-       g_print ("%f %f %f %d %d\n", width, height, scale, pixmap_width, pixmap_height);
-
        if(gs->bpixmap) {
                int w, h;
 
@@ -1031,12 +1034,22 @@ ps_document_get_type(void)
         NULL
     };
 
+    static const GInterfaceInfo ps_exporter_info =
+    {
+        (GInterfaceInitFunc) ps_document_ps_exporter_iface_init,
+        NULL,
+        NULL
+    };
+
     gs_type = g_type_register_static(G_TYPE_OBJECT,
                                      "PSDocument", &gs_info, 0);
 
     g_type_add_interface_static (gs_type,
                                  EV_TYPE_DOCUMENT,
                                  &document_info);
+    g_type_add_interface_static (gs_type,
+                                 EV_TYPE_PS_EXPORTER,
+                                 &ps_exporter_info);
   }
   return gs_type;
 
@@ -1226,13 +1239,59 @@ ps_document_load (EvDocument  *document,
        return result;
 }
 
+static gboolean
+save_page_list (PSDocument *document, int *page_list, const char *filename)
+{
+       gboolean result = TRUE;
+       GtkGSDocSink *sink = gtk_gs_doc_sink_new ();
+       FILE *f;
+       gchar *buf;
+
+       pscopydoc (sink, document->gs_filename, document->doc, page_list);
+       
+       buf = gtk_gs_doc_sink_get_buffer (sink);
+       
+       f = fopen (filename, "w");
+       if (f) {
+               fputs (buf, f);
+               fclose (f);
+       } else {
+               result = FALSE;
+       }
+
+       g_free (buf);
+       gtk_gs_doc_sink_free (sink);
+       g_free (sink);
+
+       return result;
+}
+
 static gboolean
 ps_document_save (EvDocument  *document,
                  const char  *uri,
                  GError     **error)
 {
-       g_warning ("ps_document_save not implemented"); /* FIXME */
-       return TRUE;
+       PSDocument *ps = PS_DOCUMENT (document);
+       int *page_list;
+       gboolean result;
+       int i;
+       char *filename;
+
+       filename = g_filename_from_uri (uri, NULL, error);
+       if (!filename)
+               return FALSE;
+
+       page_list = g_new0 (int, ps->doc->numpages);
+       for (i = 0; i < ps->doc->numpages; i++) {
+               page_list[i] = 1;
+       }
+
+       result = save_page_list (ps, page_list, filename);
+
+       g_free (page_list);
+       g_free (filename);
+
+       return result;
 }
 
 static int
@@ -1288,11 +1347,10 @@ ps_document_get_page_size (EvDocument   *document,
        }
 }
 
-static char *
-ps_document_get_text (EvDocument *document, int page, EvRectangle *rect)
+static gboolean
+ps_document_can_get_text (EvDocument *document)
 {
-       g_warning ("ps_document_get_text not implemented"); /* FIXME ? */
-       return NULL;
+       return FALSE;
 }
 
 static gboolean
@@ -1350,8 +1408,49 @@ ps_document_document_iface_init (EvDocumentIface *iface)
 {
        iface->load = ps_document_load;
        iface->save = ps_document_save;
-       iface->get_text = ps_document_get_text;
+       iface->can_get_text = ps_document_can_get_text;
        iface->get_n_pages = ps_document_get_n_pages;
        iface->get_page_size = ps_document_get_page_size;
        iface->render_pixbuf = ps_document_render_pixbuf;
 }
+
+static void
+ps_document_ps_export_begin (EvPSExporter *exporter, const char *filename)
+{
+       PSDocument *document = PS_DOCUMENT (exporter);
+
+       g_free (document->ps_export_pagelist);
+       
+       document->ps_export_pagelist = g_new0 (int, document->doc->numpages);
+       document->ps_export_filename = g_strdup (filename);
+}
+
+static void
+ps_document_ps_export_do_page (EvPSExporter *exporter, int page)
+{
+       PSDocument *document = PS_DOCUMENT (exporter);
+       
+       document->ps_export_pagelist[page] = 1;
+}
+
+static void
+ps_document_ps_export_end (EvPSExporter *exporter)
+{
+       PSDocument *document = PS_DOCUMENT (exporter);
+
+       save_page_list (document, document->ps_export_pagelist,
+                       document->ps_export_filename);
+
+       g_free (document->ps_export_pagelist);
+       g_free (document->ps_export_filename);  
+       document->ps_export_pagelist = NULL;
+       document->ps_export_filename = NULL;
+}
+
+static void
+ps_document_ps_exporter_iface_init (EvPSExporterIface *iface)
+{
+       iface->begin = ps_document_ps_export_begin;
+       iface->do_page = ps_document_ps_export_do_page;
+       iface->end = ps_document_ps_export_end;
+}