70b5297575
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14826 16af8721-9629-0410-8352-f15c8da7e697
118 lines
5.3 KiB
C++
118 lines
5.3 KiB
C++
/* -*-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_SCALE2DDRAGGER
|
|
#define OSGMANIPULATOR_SCALE2DDRAGGER 1
|
|
|
|
#include <osgManipulator/Dragger>
|
|
#include <osgManipulator/Projector>
|
|
|
|
namespace osgManipulator {
|
|
|
|
/**
|
|
* Dragger for performing 2D scaling.
|
|
*/
|
|
class OSGMANIPULATOR_EXPORT Scale2DDragger : public Dragger
|
|
{
|
|
public:
|
|
|
|
enum ScaleMode
|
|
{
|
|
SCALE_WITH_ORIGIN_AS_PIVOT = 0,
|
|
SCALE_WITH_OPPOSITE_HANDLE_AS_PIVOT
|
|
};
|
|
|
|
Scale2DDragger(ScaleMode scaleMode=SCALE_WITH_ORIGIN_AS_PIVOT);
|
|
|
|
META_OSGMANIPULATOR_Object(osgManipulator,Scale2DDragger)
|
|
|
|
/**
|
|
* 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(const osg::Vec2d& min) { _minScale = min; }
|
|
inline const osg::Vec2d& 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 the handle nodes for dragger. */
|
|
inline void setTopLeftHandleNode (osg::Node& node) { _topLeftHandleNode = &node; }
|
|
inline osg::Node* getTopLeftHandleNode() { return _topLeftHandleNode.get(); }
|
|
inline const osg::Node* getTopLeftHandleNode() const { return _topLeftHandleNode.get(); }
|
|
inline void setBottomLeftHandleNode (osg::Node& node) { _bottomLeftHandleNode = &node; }
|
|
inline osg::Node* getBottomLeftHandleNode() { return _bottomLeftHandleNode.get(); }
|
|
inline const osg::Node* getBottomLeftHandleNode() const { return _bottomLeftHandleNode.get(); }
|
|
inline void setTopRightHandleNode(osg::Node& node) { _topRightHandleNode = &node; }
|
|
inline osg::Node* getTopRightHandleNode() { return _topRightHandleNode.get(); }
|
|
inline const osg::Node* getTopRightHandleNode() const { return _topRightHandleNode.get(); }
|
|
inline void setBottomRightHandleNode(osg::Node& node) { _bottomRightHandleNode = &node; }
|
|
inline osg::Node* getBottomRightHandleNode() { return _bottomRightHandleNode.get(); }
|
|
inline const osg::Node* getBottomRightHandleNode() const { return _bottomRightHandleNode.get(); }
|
|
|
|
/** Set/Get the handle nodes position for dragger. */
|
|
inline void setTopLeftHandlePosition(const osg::Vec2d& pos) { _topLeftHandlePosition = pos; }
|
|
const osg::Vec2d& getTopLeftHandlePosition() const { return _topLeftHandlePosition; }
|
|
inline void setBottomLeftHandlePosition(const osg::Vec2d& pos) { _bottomLeftHandlePosition = pos; }
|
|
const osg::Vec2d& getBottomLeftHandlePosition() const { return _bottomLeftHandlePosition; }
|
|
inline void setTopRightHandlePosition(const osg::Vec2d& pos) { _topRightHandlePosition = pos; }
|
|
const osg::Vec2d& getTopRightHandlePosition() const { return _topRightHandlePosition; }
|
|
inline void setBottomRightHandlePosition(const osg::Vec2d& pos){ _bottomRightHandlePosition = pos; }
|
|
const osg::Vec2d& getBottomRightHandlePosition() const { return _bottomRightHandlePosition; }
|
|
|
|
protected:
|
|
|
|
virtual ~Scale2DDragger();
|
|
|
|
osg::ref_ptr< PlaneProjector > _projector;
|
|
osg::Vec3d _startProjectedPoint;
|
|
osg::Vec2d _scaleCenter;
|
|
osg::Vec2d _referencePoint;
|
|
osg::Vec2d _minScale;
|
|
|
|
osg::ref_ptr< osg::Node > _topLeftHandleNode;
|
|
osg::ref_ptr< osg::Node > _bottomLeftHandleNode;
|
|
osg::ref_ptr< osg::Node > _topRightHandleNode;
|
|
osg::ref_ptr< osg::Node > _bottomRightHandleNode;
|
|
|
|
osg::Vec2d _topLeftHandlePosition;
|
|
osg::Vec2d _bottomLeftHandlePosition;
|
|
osg::Vec2d _topRightHandlePosition;
|
|
osg::Vec2d _bottomRightHandlePosition;
|
|
|
|
osg::Vec4 _color;
|
|
osg::Vec4 _pickColor;
|
|
|
|
ScaleMode _scaleMode;
|
|
};
|
|
|
|
|
|
}
|
|
|
|
#endif
|