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101 lines
3.1 KiB
101 lines
3.1 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 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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//osgFX - Copyright (C) 2003 Marco Jez |
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#ifndef OSGFX_SCRIBE_ |
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#define OSGFX_SCRIBE_ |
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#include <osgFX/Export> |
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#include <osgFX/Effect> |
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#include <osg/Material> |
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#include <osg/LineWidth> |
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namespace osgFX |
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{ |
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/** |
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This is a two-passes effect; the first pass renders the subgraph as usual |
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while the second pass switches to wireframe mode, sets up lighting and |
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material to obtain a fixed (user-defined) color and then renders the subgraph. |
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This effect uses the PolygonOffset attribute to avoid Z-fighting, so it |
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requires at least OpenGL version 1.1. |
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*/ |
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class OSGFX_EXPORT Scribe: public Effect { |
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public: |
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Scribe(); |
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Scribe(const Scribe& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY); |
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// effect class informations |
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META_Effect( |
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osgFX, |
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Scribe, |
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"Scribe", |
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"This is a two-passes effect; the first pass renders the subgraph as usual " |
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"while the second pass switches to wireframe mode, sets up lighting and " |
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"material to obtain a fixed (user-defined) color and then renders the subgraph.\n" |
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"This effect uses the PolygonOffset attribute to avoid Z-fighting, so it " |
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"requires at least OpenGL version 1.1.", |
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"Marco Jez"); |
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/** get the wireframe color */ |
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inline const osg::Vec4& getWireframeColor() const; |
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/** set the wireframe color */ |
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inline void setWireframeColor(const osg::Vec4& color); |
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/** get the wireframe line width */ |
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inline float getWireframeLineWidth() const; |
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/** set the wireframe line width */ |
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inline void setWireframeLineWidth(float w); |
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protected: |
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virtual ~Scribe() {} |
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Scribe& operator=(const Scribe&) { return *this; } |
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bool define_techniques(); |
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private: |
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osg::ref_ptr<osg::Material> _wf_mat; |
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osg::ref_ptr<osg::LineWidth> _wf_lw; |
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}; |
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// INLINE METHODS |
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inline const osg::Vec4& Scribe::getWireframeColor() const |
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{ |
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return _wf_mat->getEmission(osg::Material::FRONT_AND_BACK); |
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} |
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inline void Scribe::setWireframeColor(const osg::Vec4& color) |
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{ |
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_wf_mat->setEmission(osg::Material::FRONT_AND_BACK, color); |
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} |
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inline float Scribe::getWireframeLineWidth() const |
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{ |
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return _wf_lw->getWidth(); |
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} |
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inline void Scribe::setWireframeLineWidth(float w) |
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{ |
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_wf_lw->setWidth(w); |
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} |
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} |
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#endif
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