OpenSceneGraph/include/osg/LineStipple
2002-07-16 20:07:32 +00:00

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//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSG_LINESTIPPLE
#define OSG_LINESTIPPLE 1
#include <osg/StateAttribute>
namespace osg {
class SG_EXPORT LineStipple : public StateAttribute
{
public :
LineStipple();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
LineStipple(const LineStipple& lw,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(lw,copyop),
_factor(lw._factor),
_pattern(lw._pattern) {}
META_StateAttribute(osg, LineStipple, LINESTIPPLE);
/** 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(LineStipple,sa)
// compare each paramter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_factor)
COMPARE_StateAttribute_Parameter(_pattern)
return 0; // passed all the above comparison macro's, must be equal.
}
virtual void getAssociatedModes(std::vector<GLMode>& modes) const
{
modes.push_back(GL_LINE_STIPPLE);
}
void setFactor(const int factor);
inline const int getFactor() const { return _factor; }
void setPattern(const unsigned short pattern);
inline const unsigned short getPattern() const { return _pattern; }
virtual void apply(State& state) const;
protected :
virtual ~LineStipple();
int _factor;
unsigned short _pattern;
};
}
#endif