You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
122 lines
3.7 KiB
122 lines
3.7 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
|
* |
|
* This library is open source and may be redistributed and/or modified under |
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
|
* (at your option) any later version. The full license is in LICENSE file |
|
* included with this distribution, and on the openscenegraph.org website. |
|
* |
|
* This library is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
* OpenSceneGraph Public License for more details. |
|
*/ |
|
//osgFX - Copyright (C) 2003 Marco Jez |
|
|
|
#ifndef OSGFX_CARTOON_ |
|
#define OSGFX_CARTOON_ |
|
|
|
#include <osgFX/Export> |
|
#include <osgFX/Effect> |
|
|
|
#include <osg/Material> |
|
#include <osg/LineWidth> |
|
|
|
namespace osgFX |
|
{ |
|
|
|
/** |
|
This effect implements a technique called 'Cel-Shading' to produce a |
|
cartoon-style (non photorealistic) rendering. Two passes are required: |
|
the first one draws solid surfaces, the second one draws the outlines. |
|
A vertex program is used to setup texture coordinates for a sharp lighting |
|
texture on unit 0 which is generated on-the-fly. |
|
This effect requires the ARB_vertex_program extension. |
|
*/ |
|
class OSGFX_EXPORT Cartoon: public Effect { |
|
public: |
|
Cartoon(); |
|
Cartoon(const Cartoon& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY); |
|
|
|
// effect class informations |
|
META_Effect( |
|
osgFX, |
|
Cartoon, |
|
|
|
"Cartoon", |
|
|
|
"This effect implements a technique called 'Cel-Shading' to produce a " |
|
"cartoon-style (non photorealistic) rendering. Two passes are required: " |
|
"the first one draws solid surfaces, the second one draws the outlines. " |
|
"A vertex program is used to setup texture coordinates for a sharp lighting " |
|
"texture on unit 0 which is generated on-the-fly.\n" |
|
"This effect requires the ARB_vertex_program extension " |
|
"or OpenGL Shading Language.", |
|
|
|
"Marco Jez; OGLSL port by Mike Weiblen"); |
|
|
|
/** get the outline color */ |
|
inline const osg::Vec4& getOutlineColor() const; |
|
|
|
/** set the outline color */ |
|
inline void setOutlineColor(const osg::Vec4& color); |
|
|
|
/** get the outline line width */ |
|
inline float getOutlineLineWidth() const; |
|
|
|
/** set the outline line width */ |
|
inline void setOutlineLineWidth(float w); |
|
|
|
/** get the OpenGL light number */ |
|
inline int getLightNumber() const; |
|
|
|
/** set the OpenGL light number that will be used in lighting computations */ |
|
inline void setLightNumber(int n); |
|
|
|
protected: |
|
virtual ~Cartoon() {} |
|
Cartoon& operator=(const Cartoon&) { return *this; } |
|
|
|
bool define_techniques(); |
|
|
|
private: |
|
osg::ref_ptr<osg::Material> _wf_mat; |
|
osg::ref_ptr<osg::LineWidth> _wf_lw; |
|
int _lightnum; |
|
}; |
|
|
|
// INLINE METHODS |
|
|
|
inline const osg::Vec4& Cartoon::getOutlineColor() const |
|
{ |
|
return _wf_mat->getEmission(osg::Material::FRONT_AND_BACK); |
|
} |
|
|
|
inline void Cartoon::setOutlineColor(const osg::Vec4& color) |
|
{ |
|
_wf_mat->setEmission(osg::Material::FRONT_AND_BACK, color); |
|
} |
|
|
|
inline float Cartoon::getOutlineLineWidth() const |
|
{ |
|
return _wf_lw->getWidth(); |
|
} |
|
|
|
inline void Cartoon::setOutlineLineWidth(float w) |
|
{ |
|
_wf_lw->setWidth(w); |
|
} |
|
|
|
inline int Cartoon::getLightNumber() const |
|
{ |
|
return _lightnum; |
|
} |
|
|
|
inline void Cartoon::setLightNumber(int n) |
|
{ |
|
_lightnum = n; |
|
dirtyTechniques(); |
|
} |
|
|
|
} |
|
|
|
#endif
|
|
|