OpenSceneGraph/include/osg/TexMat
2001-09-22 02:42:08 +00:00

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#ifndef OSG_TEXMAT
#define OSG_TEXMAT 1
#include <osg/StateAttribute>
#include <osg/Matrix>
namespace osg {
/** Texture Matrix state class for encapsulating OpenGL texture matrix functionality.*/
class SG_EXPORT TexMat : public StateAttribute
{
public :
TexMat( void );
META_StateAttribute(TexMat, TEXMAT);
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
virtual int compare(const StateAttribute& sa) const
{
// check the types are equal and then create the rhs variable
// used by the COMPARE_StateAttribute_Paramter macro's below.
COMPARE_StateAttribute_Types(TexMat,sa)
// compare each paramter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_matrix)
return 0; // passed all the above comparison macro's, must be equal.
}
/** Set the texture matrix */
inline void setMatrix(const Matrix& matrix) { _matrix = matrix; }
/** Get the texture matrix */
inline Matrix& getMatrix() { return _matrix; }
/** Get the const texture matrix */
inline const Matrix& getMatrix() const { return _matrix; }
/** apply as OpenGL texture matrix.*/
virtual void apply(State& state) const;
protected:
virtual ~TexMat( void );
Matrix _matrix;
};
};
#endif