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64 lines
2.0 KiB
64 lines
2.0 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2004 Robert Osfield |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* OpenSceneGraph Public License for more details. |
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*/ |
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#ifndef OSG_LINEWIDTH |
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#define OSG_LINEWIDTH 1 |
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#include <osg/StateAttribute> |
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namespace osg { |
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/** LineWidth - encapsulates the OpenGL glLineWidth for setting the width of lines in pixels. */ |
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class OSG_EXPORT LineWidth : public StateAttribute |
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{ |
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public : |
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LineWidth(float width=1.0f); |
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/** Copy constructor using CopyOp to manage deep vs shallow copy. */ |
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LineWidth(const LineWidth& lw,const CopyOp& copyop=CopyOp::SHALLOW_COPY) : |
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StateAttribute(lw,copyop), |
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_width(lw._width) {} |
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META_StateAttribute(osg, LineWidth, LINEWIDTH); |
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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 if the types are equal and then create the rhs variable |
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// used by the COMPARE_StateAttribute_Parameter macros below. |
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COMPARE_StateAttribute_Types(LineWidth,sa) |
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// compare each parameter in turn against the rhs. |
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COMPARE_StateAttribute_Parameter(_width) |
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return 0; // passed all the above comparison macros, must be equal. |
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} |
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void setWidth(float width); |
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inline float getWidth() const { return _width; } |
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virtual void apply(State& state) const; |
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protected : |
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virtual ~LineWidth(); |
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float _width; |
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}; |
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} |
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#endif
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