/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield * * This library is open source and may be redistributed and/or modified under * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or * (at your option) any later version. The full license is in LICENSE file * included with this distribution, and on the openscenegraph.org website. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * OpenSceneGraph Public License for more details. */ //osgManipulator - Copyright (C) 2007 Fugro-Jason B.V. #ifndef OSGMANIPULATOR_SCALE1DDRAGGER #define OSGMANIPULATOR_SCALE1DDRAGGER 1 #include #include namespace osgManipulator { /** * Dragger for performing 1D scaling. */ class OSGMANIPULATOR_EXPORT Scale1DDragger : public Dragger { public: enum ScaleMode { SCALE_WITH_ORIGIN_AS_PIVOT = 0, SCALE_WITH_OPPOSITE_HANDLE_AS_PIVOT }; Scale1DDragger(ScaleMode scaleMode=SCALE_WITH_ORIGIN_AS_PIVOT); META_OSGMANIPULATOR_Object(osgManipulator,Scale1DDragger) /** * Handle pick events on dragger and generate TranslateInLine commands. */ virtual bool handle(const PointerInfo& pi, const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us); /** Setup default geometry for dragger. */ void setupDefaultGeometry(); /** Set/Get min scale for dragger. */ inline void setMinScale(double min) { _minScale = min; } inline double getMinScale() const { return _minScale; } /** Set/Get color for dragger. */ inline void setColor(const osg::Vec4& color) { _color = color; setMaterialColor(_color,*this); } inline const osg::Vec4& getColor() const { return _color; } /** * Set/Get pick color for dragger. Pick color is color of the dragger * when picked. It gives a visual feedback to show that the dragger has * been picked. */ inline void setPickColor(const osg::Vec4& color) { _pickColor = color; } inline const osg::Vec4& getPickColor() const { return _pickColor; } /** Set/Get left and right handle nodes for dragger. */ inline void setLeftHandleNode (osg::Node& node) { _leftHandleNode = &node; } inline void setRightHandleNode(osg::Node& node) { _rightHandleNode = &node; } inline osg::Node* getLeftHandleNode() { return _leftHandleNode.get(); } inline const osg::Node* getLeftHandleNode() const { return _leftHandleNode.get(); } inline osg::Node* getRightHandleNode() { return _rightHandleNode.get(); } inline const osg::Node* getRightHandleNode() const { return _rightHandleNode.get(); } /** Set left/right handle position. */ inline void setLeftHandlePosition(double pos) { _projector->getLineStart() = osg::Vec3d(pos,0.0,0.0); } inline double getLeftHandlePosition() const { return _projector->getLineStart()[0]; } inline void setRightHandlePosition(double pos) { _projector->getLineEnd() = osg::Vec3d(pos,0.0,0.0); } inline double getRightHandlePosition() const { return _projector->getLineEnd()[0]; } protected: virtual ~Scale1DDragger(); osg::ref_ptr< LineProjector > _projector; osg::Vec3d _startProjectedPoint; double _scaleCenter; double _minScale; osg::ref_ptr< osg::Node > _leftHandleNode; osg::ref_ptr< osg::Node > _rightHandleNode; osg::Vec4 _color; osg::Vec4 _pickColor; ScaleMode _scaleMode; }; } #endif