73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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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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/** Encapsulates OpenGL color matrix functionality. */
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class OSG_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 for equal types, then create the rhs variable
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// used by the COMPARE_StateAttribute_Parameter macros below.
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COMPARE_StateAttribute_Types(ColorMatrix,sa)
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// Compare each parameter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_matrix)
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return 0; // Passed all the above comparison macros, so must be equal.
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}
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/** Sets the color matrix. */
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inline void setMatrix(const Matrix& matrix) { _matrix = matrix; }
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/** Gets the color matrix. */
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inline Matrix& getMatrix() { return _matrix; }
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/** Gets the const color matrix. */
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inline const Matrix& getMatrix() const { return _matrix; }
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/** Applies 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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