SoShadowMatrixElement.h

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// Copyright (c) Fraunhofer MEVIS, Germany. All rights reserved.
// **InsertLicense** code
/*
 *
 _______________________________________________________________________
 ____________  W W W .   A W A K E   I D E A S   . C O M  ______________
 |
 |
 |   Description:
 |   ...
 |
 |   Author(s)      : Felix Ritter
 |
 ____________  W W W .   A W A K E   I D E A S   . C O M  ______________
 _______________________________________________________________________
 */
 
#ifndef  _SoShadowMatrixElement_H
#define  _SoShadowMatrixElement_H
 
#include "SoShadowSystem.h"
 
__MEVIS_IV_BEGIN_NAMESPACE
 
class SOSHADOW_CLASS_SPEC SoShadowMatrixElement : public SoReplacedElement
{
 
    SO_ELEMENT_HEADER(SoShadowMatrixElement);
 
  public:
   
    // Override standard matches to invalidate on cull-test
    SbBool matches(const SoElement *elt) const override;
 
    // Copy method, takes care copying the data.
    SoElement *copyMatchInfo() const override;
    
    // Sets the shadow matrix to the given matrix
    static void set(SoState *state, SoNode *node,
                    const SbMatrix &matrix);
 
    // Returns current shadow matrix from the state
    static void get(SoState *state, SbMatrix &matrix);
    static const SbMatrix &get(SoState *state);
    static const SbMatrix &get(SoState *state, SbBool &isValid);
 
    // Initializes the SoShadowMatrixElement class
    static void initClass();
 
  protected:
 
    // Sets the matrix in an instance to given matrix
    virtual void setElt(const SbMatrix &matrix);
 
    virtual ~SoShadowMatrixElement();
 
  private:
    SbMatrix _shadowMatrix;
};
 
__MEVIS_IV_END_NAMESPACE
 
#endif // _SoShadowMatrixElement_H