64 lines
1.8 KiB
Plaintext
64 lines
1.8 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSG_COLORMATRIX
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#define OSG_COLORMATRIX 1
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#include <osg/Matrix>
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#include <osg/StateAttribute>
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namespace osg {
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/** Texture Matrix state class for encapsulating OpenGL texture matrix functionality.*/
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class SG_EXPORT ColorMatrix : public StateAttribute
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{
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public :
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ColorMatrix();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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ColorMatrix(const ColorMatrix& cm,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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StateAttribute(cm,copyop),
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_matrix(cm._matrix) {}
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META_StateAttribute(osg, ColorMatrix, COLORMATRIX);
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/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
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virtual int compare(const StateAttribute& sa) const
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{
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// check the types are equal and then create the rhs variable
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// used by the COMPARE_StateAttribute_Paramter macro's below.
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COMPARE_StateAttribute_Types(ColorMatrix,sa)
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// compare each paramter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_matrix)
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return 0; // passed all the above comparison macro's, must be equal.
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}
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/** Set the color matrix */
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inline void setMatrix(const Matrix& matrix) { _matrix = matrix; }
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/** Get the color matrix */
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inline Matrix& getMatrix() { return _matrix; }
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/** Get the const color matrix */
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inline const Matrix& getMatrix() const { return _matrix; }
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/** apply as OpenGL texture matrix.*/
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virtual void apply(State& state) const;
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protected:
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virtual ~ColorMatrix( void );
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Matrix _matrix;
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};
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}
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#endif
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