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117 lines
5.3 KiB
117 lines
5.3 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_SCALE2DDRAGGER |
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#define OSGMANIPULATOR_SCALE2DDRAGGER 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 2D scaling. |
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*/ |
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class OSGMANIPULATOR_EXPORT Scale2DDragger : 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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Scale2DDragger(ScaleMode scaleMode=SCALE_WITH_ORIGIN_AS_PIVOT); |
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META_OSGMANIPULATOR_Object(osgManipulator,Scale2DDragger) |
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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(const osg::Vec2d& min) { _minScale = min; } |
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inline const osg::Vec2d& 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 the handle nodes for dragger. */ |
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inline void setTopLeftHandleNode (osg::Node& node) { _topLeftHandleNode = &node; } |
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inline osg::Node* getTopLeftHandleNode() { return _topLeftHandleNode.get(); } |
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inline const osg::Node* getTopLeftHandleNode() const { return _topLeftHandleNode.get(); } |
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inline void setBottomLeftHandleNode (osg::Node& node) { _bottomLeftHandleNode = &node; } |
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inline osg::Node* getBottomLeftHandleNode() { return _bottomLeftHandleNode.get(); } |
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inline const osg::Node* getBottomLeftHandleNode() const { return _bottomLeftHandleNode.get(); } |
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inline void setTopRightHandleNode(osg::Node& node) { _topRightHandleNode = &node; } |
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inline osg::Node* getTopRightHandleNode() { return _topRightHandleNode.get(); } |
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inline const osg::Node* getTopRightHandleNode() const { return _topRightHandleNode.get(); } |
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inline void setBottomRightHandleNode(osg::Node& node) { _bottomRightHandleNode = &node; } |
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inline osg::Node* getBottomRightHandleNode() { return _bottomRightHandleNode.get(); } |
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inline const osg::Node* getBottomRightHandleNode() const { return _bottomRightHandleNode.get(); } |
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/** Set/Get the handle nodes postion for dragger. */ |
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inline void setTopLeftHandlePosition(const osg::Vec2d& pos) { _topLeftHandlePosition = pos; } |
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const osg::Vec2d& getTopLeftHandlePosition() const { return _topLeftHandlePosition; } |
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inline void setBottomLeftHandlePosition(const osg::Vec2d& pos) { _bottomLeftHandlePosition = pos; } |
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const osg::Vec2d& getBottomLeftHandlePosition() const { return _bottomLeftHandlePosition; } |
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inline void setTopRightHandlePosition(const osg::Vec2d& pos) { _topRightHandlePosition = pos; } |
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const osg::Vec2d& getTopRightHandlePosition() const { return _topRightHandlePosition; } |
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inline void setBottomRightHandlePosition(const osg::Vec2d& pos){ _bottomRightHandlePosition = pos; } |
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const osg::Vec2d& getBottomRightHandlePosition() const { return _bottomRightHandlePosition; } |
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protected: |
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virtual ~Scale2DDragger(); |
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osg::ref_ptr< PlaneProjector > _projector; |
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osg::Vec3d _startProjectedPoint; |
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osg::Vec2d _scaleCenter; |
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osg::Vec2d _referencePoint; |
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osg::Vec2d _minScale; |
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osg::ref_ptr< osg::Node > _topLeftHandleNode; |
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osg::ref_ptr< osg::Node > _bottomLeftHandleNode; |
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osg::ref_ptr< osg::Node > _topRightHandleNode; |
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osg::ref_ptr< osg::Node > _bottomRightHandleNode; |
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osg::Vec2d _topLeftHandlePosition; |
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osg::Vec2d _bottomLeftHandlePosition; |
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osg::Vec2d _topRightHandlePosition; |
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osg::Vec2d _bottomRightHandlePosition; |
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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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