Changeset 9514 for OpenSceneGraph/trunk/examples/osgvolume/osgvolume.cpp

Timestamp:

01/20/09 16:06:44 (4 years ago)

Author:

robert

Message:

Added event key variables

Files:

• OpenSceneGraph/trunk/examples/osgvolume/osgvolume.cpp (modified) (7 diffs)

OpenSceneGraph/trunk/examples/osgvolume/osgvolume.cpp

@@ -743 +743 @@
 
 
-class FollowMouseCallback : public osgGA::GUIEventHandler, public osg::StateSet::Callback
+namespace osgVolume
+{
+
+class PropertyAdjustmentCallback : public osgGA::GUIEventHandler, public osg::StateSet::Callback
 {
     public:
     
-        FollowMouseCallback()
-        {
+        PropertyAdjustmentCallback()
+        {
+            _transparencyKey = 't';
+            _alphaFuncKey = 'a';
+            _sampleDensityKey = 'd';
+
             _updateTransparency = false;
             _updateAlphaCutOff = false;
@@ -754 +761 @@
         }
 
-        FollowMouseCallback(const FollowMouseCallback&,const osg::CopyOp&) {}
-
-        META_Object(osg,FollowMouseCallback);
+        PropertyAdjustmentCallback(const PropertyAdjustmentCallback&,const osg::CopyOp&) {}
+
+        META_Object(osgVolume,PropertyAdjustmentCallback);
+        
+        void setKeyEventActivatesTransparenyAdjustment(int key) { _transparencyKey = key; }
+        int getKeyEventActivatesTransparenyAdjustment() const { return _transparencyKey; }
+
+        void setKeyEventActivatesSampleDensityAdjustment(int key) { _sampleDensityKey = key; }
+        int getKeyEventActivatesSampleAdjustment() const { return _sampleDensityKey; }
+
+        void setKeyEventActivatesAlphaFuncAdjustment(int key) { _alphaFuncKey = key; }
+        int getKeyEventActivatesAlphaFuncAdjustment() const { return _alphaFuncKey; }
 
         virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&, osg::Object* object, osg::NodeVisitor*)
@@ -775 +791 @@
                     float v = (ea.getY()-ea.getYmin())/(ea.getYmax()-ea.getYmin());
                     float v2 = v*v;
+                    float v4 = v2*v2;
 
                     if (_updateAlphaCutOff && cpv._isoProperty.valid())
@@ -784 +801 @@
                     if (_updateAlphaCutOff && cpv._afProperty.valid())
                     {
-                        osg::notify(osg::NOTICE)<<"Setting afProperty to "<<v<<std::endl;
-                        cpv._afProperty->setValue(v);
+                        osg::notify(osg::NOTICE)<<"Setting afProperty to "<<v2<<std::endl;
+                        cpv._afProperty->setValue(v2);
                     }
                     
@@ -796 +813 @@
                     if (_updateSampleDensity && cpv._sampleDensityProperty.valid())
                     {
-                        osg::notify(osg::NOTICE)<<"Setting sample density to "<<v2<<std::endl;
-                        cpv._sampleDensityProperty->setValue(v2);
+                        osg::notify(osg::NOTICE)<<"Setting sample density to "<<v4<<std::endl;
+                        cpv._sampleDensityProperty->setValue(v4);
                     }
                 }
@@ -820 +837 @@
         }
         
-        bool _updateTransparency;
-        bool _updateAlphaCutOff;
-        bool _updateSampleDensity;
+        int     _transparencyKey;
+        int     _alphaFuncKey;
+        int     _sampleDensityKey;
+        
+        bool    _updateTransparency;
+        bool    _updateAlphaCutOff;
+        bool    _updateSampleDensity;
 };
 
-
+}
 class TestSupportOperation: public osg::GraphicsOperation
 {
@@ -1353 +1374 @@
         tile->setLayer(layer.get());
         
-        tile->setEventCallback(new FollowMouseCallback());
+        tile->setEventCallback(new osgVolume::PropertyAdjustmentCallback());
         
         if (useShader)