102 lines
3.1 KiB
Plaintext
102 lines
3.1 KiB
Plaintext
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 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 ©, const osg::CopyOp ©op = 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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