12226e4371
and passed as paramters into straight forward non const built in types, i.e. const bool foogbar(const int) becomes bool foobar(int).
68 lines
2.1 KiB
Plaintext
68 lines
2.1 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 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_POLYGONOFFSET
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#define OSG_POLYGONOFFSET 1
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#include <osg/StateAttribute>
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namespace osg {
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/** PolygonOffset - encapsulates the OpenGL glPolygonOffset state.*/
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class SG_EXPORT PolygonOffset : public StateAttribute
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{
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public :
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PolygonOffset();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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PolygonOffset(const PolygonOffset& po,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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StateAttribute(po,copyop),
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_factor(po._factor),
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_units(po._units) {}
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META_StateAttribute(osg, PolygonOffset, POLYGONOFFSET);
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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(PolygonOffset,sa)
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// compare each paramter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_factor)
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COMPARE_StateAttribute_Parameter(_units)
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return 0; // passed all the above comparison macro's, must be equal.
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}
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virtual void getAssociatedModes(std::vector<GLMode>& modes) const
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{
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modes.push_back(GL_POLYGON_OFFSET_FILL);
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modes.push_back(GL_POLYGON_OFFSET_LINE);
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modes.push_back(GL_POLYGON_OFFSET_POINT);
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}
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inline void setFactor(float factor) { _factor = factor; }
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inline float getFactor() const { return _factor; }
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inline void setUnits(float units) { _units = units; }
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inline float getUnits() const { return _units; }
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virtual void apply(State& state) const;
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protected :
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virtual ~PolygonOffset();
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float _factor;
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float _units;
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};
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}
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#endif
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