OSGVruiTexturedBackground.h

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/* This file is part of COVISE.
 
   You can use it under the terms of the GNU Lesser General Public License
   version 2.1 or later, see lgpl-2.1.txt.
 
 * License: LGPL 2+ */
 
//-*-c++-*-
 
#ifndef OSG_VRUI_TEXTURED_BACKGROUND_H
#define OSG_VRUI_TEXTURED_BACKGROUND_H
 
#include <OpenVRUI/osg/OSGVruiUIContainer.h>
 
#include <osg/Array>
#include <osg/Geode>
#include <osg/Geometry>
#include <osg/MatrixTransform>
#include <osg/StateSet>
#include <osg/Texture2D>
 
#include <OpenVRUI/coTexturedBackground.h>
 
namespace vrui
{
 
class OSGVRUIEXPORT OSGVruiTexturedBackground
    : public OSGVruiUIContainer
{
public:
    OSGVruiTexturedBackground(coTexturedBackground *background);
    virtual ~OSGVruiTexturedBackground();
 
    virtual void createGeometry();
    virtual void resizeGeometry();
 
    virtual void update();
 
    virtual void setEnabled(bool en);
    virtual void setHighlighted(bool hl);
 
protected:
    void createSharedLists();
 
    void rescaleTexture();
    void createTexturesFromFiles();
    void createTexturesFromArrays(const uint *normalImage, const uint *highlightImage, const uint *disabledImage,
                                  int comp, int ns, int nt, int nr);
 
    coTexturedBackground *background;
    coTexturedBackground::TextureSet *tex;
 
private:
    //shared coord and color list
    osg::ref_ptr<osg::Vec3Array> coord; 
    osg::ref_ptr<osg::Vec2Array> texcoord; 
 
    static osg::ref_ptr<osg::Vec3Array> normal; 
 
    osg::ref_ptr<osg::StateSet> state; 
    osg::ref_ptr<osg::StateSet> highlightState; 
    osg::ref_ptr<osg::StateSet> disabledState; 
 
    osg::ref_ptr<osg::Geode> geometryNode; 
    osg::ref_ptr<osg::Geometry> geometry; 
 
    osg::ref_ptr<osg::Texture2D> texNormal; 
    osg::ref_ptr<osg::Texture2D> texHighlighted; 
    osg::ref_ptr<osg::Texture2D> texDisabled; 
 
    void createGeode();
 
    bool repeat; 
    float texXSize; 
    float texYSize; 
};
}
#endif