82 lines
2.3 KiB
Plaintext
82 lines
2.3 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_COLORMASK
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#define OSG_COLORMASK 1
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#include <osg/StateAttribute>
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#include <osg/StateSet>
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#include <osg/Types>
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namespace osg {
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/** Encapsulate OpenGL glColorMaskFunc/Op/Mask functions.
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*/
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class SG_EXPORT ColorMask : public StateAttribute
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{
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public :
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ColorMask();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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ColorMask(const ColorMask& cm,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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StateAttribute(cm,copyop),
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_red(cm._red),
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_green(cm._green),
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_blue(cm._blue),
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_alpha(cm._alpha) {}
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META_StateAttribute(ColorMask, COLORMASK);
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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(ColorMask,sa)
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// compare each paramter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_red)
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COMPARE_StateAttribute_Parameter(_green)
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COMPARE_StateAttribute_Parameter(_blue)
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COMPARE_StateAttribute_Parameter(_alpha)
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return 0; // passed all the above comparison macro's, must be equal.
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}
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inline void setMask(bool red,bool green,bool blue,bool alpha)
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{
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_red = red;
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_green = green;
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_blue = blue;
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_alpha = alpha;
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}
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inline const bool getRedMask() const { return _red; }
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inline const bool getGreenMask() const { return _green; }
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inline const bool getBlueMask() const { return _blue; }
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inline const bool getAlphaMask() const { return _alpha; }
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virtual void apply(State& state) const;
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protected:
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virtual ~ColorMask();
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bool _red;
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bool _green;
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bool _blue;
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bool _alpha;
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};
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}
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#endif
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