Enable or disable mipmapping globally via viewerproperties

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@9890 383ad7c9-94d9-4d36-a494-682f7c89f535

common/ViewerProperties.cc

@@ -70,6 +70,7 @@ namespace Viewer {
     backFaceCulling_(false),
     twoSidedLighting_(true),
     multisampling_(true),
+    mipmapping_(true),
     animation_(false),
     glState_(0),
     objectMarker_(0),

common/ViewerProperties.hh

@@ -329,6 +329,18 @@ namespace Viewer {
       
     //===========================================================================
 
+    public slots:
+      /// set mipmapping on/off
+      void mipmapping(bool _state ) { glState_->allow_mipmapping(_state); mipmapping_ = _state; emit updated(); }
+
+      /// is mipmapping enabled?
+      bool mipmapping() { return mipmapping_; };
+
+    private:
+      bool mipmapping_;
+
+    //===========================================================================
+
     public slots:
       /// set 2-sided lighting on/off
       void animation(bool _state ) { animation_ = _state; emit updated(); }