[dia] diagram-as-element: no dangling filename with DiaImage

[Hans Breuer <hans src gnome org>]

commit 9c016cd0eb47fc51fb197131fb37bfb15fd7712c
Author: Hans Breuer <hans breuer org>
Date:   Sun Jun 26 16:29:51 2011 +0200

    diagram-as-element: no dangling filename with DiaImage
    
    Don't expose the side-effect of saving to a temporary file.
    That file is already gone when DiaRenderer::draw_image() is
    called.

 objects/Misc/diagram_as_object.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/objects/Misc/diagram_as_object.c b/objects/Misc/diagram_as_object.c
index 987a3a6..aa26437 100644
--- a/objects/Misc/diagram_as_object.c
+++ b/objects/Misc/diagram_as_object.c
@@ -208,9 +208,15 @@ _dae_draw(DiagramAsElement *dae, DiaRenderer *renderer)
 	    ef = filter_guess_export_filter (imgfname);
 	  close(fd);
 	  if (ef) {
+	    DiaImage *tmp_image;
 	    ef->export_func (dae->data, imgfname, dae->filename, ef->user_data);
 	    /* TODO: change export_func to return success or GError* */
-	    dae->image = dia_image_load (imgfname);
+	    tmp_image = dia_image_load (imgfname);
+	    /* some extra gymnastics to create an image w/o filename */
+	    if (tmp_image) {
+	      dae->image = dia_image_new_from_pixbuf ((GdkPixbuf *)dia_image_pixbuf (tmp_image));
+	      g_object_unref (tmp_image);
+	    }
 	  }
 	  g_unlink (imgfname);
 	  g_free (imgfname);