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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_COLORMASK
#define OSG_COLORMASK 1
#include <osg/Export>
#include <osg/StateAttribute>
namespace osg {
/** Encapsulates OpenGL glColorMaskFunc/Op/Mask functions.
*/
class OSG_EXPORT ColorMask : public StateAttribute
{
public :
ColorMask();
ColorMask(bool red,bool green,bool blue,bool alpha):
_red(red),
_green(green),
_blue(blue),
_alpha(alpha) {}
/** Copy constructor using CopyOp to manage deep vs shallow copy. */
ColorMask(const ColorMask& cm,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(cm,copyop),
_red(cm._red),
_green(cm._green),
_blue(cm._blue),
_alpha(cm._alpha) {}
META_StateAttribute(osg, ColorMask, COLORMASK);
/** Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
virtual int compare(const StateAttribute& sa) const
{
// Check for equal types, then create the rhs variable
// used by the COMPARE_StateAttribute_Parameter macros below.
COMPARE_StateAttribute_Types(ColorMask,sa)
// Compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_red)
COMPARE_StateAttribute_Parameter(_green)
COMPARE_StateAttribute_Parameter(_blue)
COMPARE_StateAttribute_Parameter(_alpha)
return 0; // Passed all the above comparison macros, so must be equal.
}
inline void setMask(bool red,bool green,bool blue,bool alpha)
{
_red = red;
_green = green;
_blue = blue;
_alpha = alpha;
}
inline void setRedMask(bool mask) { _red=mask; }
inline bool getRedMask() const { return _red; }
inline void setGreenMask(bool mask) { _green=mask; }
inline bool getGreenMask() const { return _green; }
inline void setBlueMask(bool mask) { _blue=mask; }
inline bool getBlueMask() const { return _blue; }
inline void setAlphaMask(bool mask) { _alpha=mask; }
inline bool getAlphaMask() const { return _alpha; }
virtual void apply(State& state) const;
protected:
virtual ~ColorMask();
bool _red;
bool _green;
bool _blue;
bool _alpha;
};
}
#endif
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