78 lines
2.1 KiB
Plaintext
78 lines
2.1 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_POLYGONMODE
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#define OSG_POLYGONMODE 1
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#include <osg/StateAttribute>
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#include <osg/GL>
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namespace osg {
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/** Class to for setting OpenGL's polygon culling mode.
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*/
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class SG_EXPORT PolygonMode : public StateAttribute
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{
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public :
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PolygonMode();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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PolygonMode(const PolygonMode& pm,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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StateAttribute(pm,copyop),
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_frontAndBack(pm._frontAndBack),
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_modeFront(pm._modeFront),
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_modeBack(pm._modeBack) {}
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META_StateAttribute(PolygonMode, POLYGONMODE);
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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(PolygonMode,sa)
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// compare each paramter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_frontAndBack)
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COMPARE_StateAttribute_Parameter(_modeFront)
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COMPARE_StateAttribute_Parameter(_modeBack)
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return 0; // passed all the above comparison macro's, must be equal.
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}
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enum Face {
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FRONT,
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BACK,
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FRONT_AND_BACK
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};
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enum Mode {
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POINT = GL_POINT,
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LINE = GL_LINE,
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FILL = GL_FILL
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};
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void setMode(const Face face,const Mode mode);
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const Mode getMode(const Face face) const;
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inline const bool getFrontAndBack() const { return _frontAndBack; }
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virtual void apply(State& state) const;
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protected:
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virtual ~PolygonMode();
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bool _frontAndBack;
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Mode _modeFront;
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Mode _modeBack;
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};
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}
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#endif
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