[dia] vdx: export only visible layers

[Hans Breuer <hans src gnome org>]

commit 3742d41eb2429f9dd40c9b06e8428df3813ffc93
Author: Hans Breuer <hans breuer org>
Date:   Sat Jun 14 14:49:59 2014 +0200

    vdx: export only visible layers

 plug-ins/vdx/vdx-export.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/plug-ins/vdx/vdx-export.c b/plug-ins/vdx/vdx-export.c
index b60c225..faa1c71 100644
--- a/plug-ins/vdx/vdx-export.c
+++ b/plug-ins/vdx/vdx-export.c
@@ -1759,10 +1759,11 @@ export_vdx(DiagramData *data, DiaContext *ctx,
     for (i=0; i<data->layers->len; i++) 
     {
         layer = (Layer *) g_ptr_array_index(data->layers, i);
-        layer_render(layer, DIA_RENDERER(renderer), NULL, NULL, data, 0);
+        if (layer->visible)
+            layer_render(layer, DIA_RENDERER(renderer), NULL, NULL, data, 0);
         renderer->depth++;
     }
-  
+
     write_header(data, renderer);
 
     DIA_RENDERER_GET_CLASS(renderer)->end_render(DIA_RENDERER(renderer));
@@ -1776,10 +1777,11 @@ export_vdx(DiagramData *data, DiaContext *ctx,
     for (i=0; i<data->layers->len; i++) 
     {
         layer = (Layer *) g_ptr_array_index(data->layers, i);
-        layer_render(layer, DIA_RENDERER(renderer), NULL, NULL, data, 0);
+        if (layer->visible)
+            layer_render(layer, DIA_RENDERER(renderer), NULL, NULL, data, 0);
         renderer->depth++;
     }
-  
+
     DIA_RENDERER_GET_CLASS(renderer)->end_render(DIA_RENDERER(renderer));
 
     /* Done */