83 lines
2.3 KiB
Plaintext
83 lines
2.3 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
|
|
//Distributed under the terms of the GNU Library General Public License (LGPL)
|
|
//as published by the Free Software Foundation.
|
|
|
|
#ifndef OSG_COLORMASK
|
|
#define OSG_COLORMASK 1
|
|
|
|
#include <osg/Export>
|
|
#include <osg/StateAttribute>
|
|
#include <osg/StateSet>
|
|
#include <osg/Types>
|
|
|
|
namespace osg {
|
|
|
|
/** Encapsulate OpenGL glColorMaskFunc/Op/Mask functions.
|
|
*/
|
|
class SG_EXPORT ColorMask : public StateAttribute
|
|
{
|
|
public :
|
|
|
|
|
|
ColorMask();
|
|
|
|
/** 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(ColorMask, COLORMASK);
|
|
|
|
/** 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(ColorMask,sa)
|
|
|
|
// compare each paramter 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 macro's, must be equal.
|
|
}
|
|
|
|
inline void setMask(bool red,bool green,bool blue,bool alpha)
|
|
{
|
|
_red = red;
|
|
_green = green;
|
|
_blue = blue;
|
|
_alpha = alpha;
|
|
|
|
}
|
|
|
|
inline const bool getRedMask() const { return _red; }
|
|
|
|
inline const bool getGreenMask() const { return _green; }
|
|
|
|
inline const bool getBlueMask() const { return _blue; }
|
|
|
|
inline const bool getAlphaMask() const { return _alpha; }
|
|
|
|
virtual void apply(State& state) const;
|
|
|
|
protected:
|
|
|
|
virtual ~ColorMask();
|
|
|
|
bool _red;
|
|
bool _green;
|
|
bool _blue;
|
|
bool _alpha;
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|