root/OpenSceneGraph/trunk/include/osgGA/StateSetManipulator @ 13041

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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSGGA_STATESET_MANIPULATOR
15#define OSGGA_STATESET_MANIPULATOR 1
16
17#include <osgGA/Export>
18#include <osgGA/GUIEventAdapter>
19#include <osgGA/GUIActionAdapter>
20#include <osgGA/GUIEventHandler>
21
22#include <osg/StateSet>
23#include <osg/PolygonMode>
24
25
26namespace osgGA {
27
28/**
29Experimental class, not been looked at for a while, but which will
30be returned to at some point :-\
31*/
32class OSGGA_EXPORT StateSetManipulator : public GUIEventHandler
33{
34public:
35
36        StateSetManipulator(osg::StateSet* stateset=0);
37
38        virtual const char* className() const { return "StateSetManipulator"; }
39
40        /** attach a StateSet to the manipulator to be used for specifying view.*/
41        virtual void setStateSet(osg::StateSet*);
42
43        /** get the attached a StateSet.*/
44        virtual osg::StateSet * getStateSet();
45
46        /** get the attached a StateSet.*/
47        virtual const osg::StateSet * getStateSet() const;
48
49
50        /** Handle events, return true if handled, false otherwise.*/
51        virtual bool handle(const GUIEventAdapter& ea,GUIActionAdapter& us);
52
53        /** Get the keyboard and mouse usage of this manipulator.*/
54        virtual void getUsage(osg::ApplicationUsage& usage) const;
55
56        void setMaximumNumOfTextureUnits(unsigned int i) { _maxNumOfTextureUnits = i; }
57        unsigned int getMaximumNumOfTextureUnits() const { return _maxNumOfTextureUnits; }
58
59        void setBackfaceEnabled(bool newbackface);
60        bool getBackfaceEnabled() const {return _backface;};
61
62        void setLightingEnabled(bool newlighting);
63        bool getLightingEnabled() const {return _lighting;};
64
65        void setTextureEnabled(bool newtexture);
66        bool getTextureEnabled() const {return _texture;};
67
68        void setPolygonMode(osg::PolygonMode::Mode newpolygonmode);
69        osg::PolygonMode::Mode getPolygonMode() const;
70
71        void cyclePolygonMode();
72
73
74        void setKeyEventToggleBackfaceCulling(int key) { _keyEventToggleBackfaceCulling = key; }
75        int getKeyEventToggleBackfaceCulling() const { return _keyEventToggleBackfaceCulling; }
76
77        void setKeyEventToggleLighting(int key) { _keyEventToggleLighting = key; }
78        int getKeyEventToggleLighting() const { return _keyEventToggleLighting; }
79
80        void setKeyEventToggleTexturing(int key) { _keyEventToggleTexturing = key; }
81        int getKeyEventToggleTexturing() const { return _keyEventToggleTexturing; }
82
83        void setKeyEventCyclePolygonMode(int key) { _keyEventCyclePolygonMode = key; }
84        int getKeyEventCyclePolygonMode() const { return _keyEventCyclePolygonMode; }
85
86protected:
87
88        virtual ~StateSetManipulator();
89
90        void clone();
91
92        osg::ref_ptr<osg::StateSet> _stateset;
93
94        bool _initialized;
95        bool _backface;
96        bool _lighting;
97        bool _texture;
98        unsigned int _maxNumOfTextureUnits;
99
100        int _keyEventToggleBackfaceCulling;
101        int _keyEventToggleLighting;
102        int _keyEventToggleTexturing;
103        int _keyEventCyclePolygonMode;
104
105        osg::PolygonMode* getOrCreatePolygonMode();
106};
107
108}
109
110#endif
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