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