OpenWalnut  1.4.0
WGEViewerEffectVignette.cpp
00001 //---------------------------------------------------------------------------
00002 //
00003 // Project: OpenWalnut ( http://www.openwalnut.org )
00004 //
00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
00006 // For more information see http://www.openwalnut.org/copying
00007 //
00008 // This file is part of OpenWalnut.
00009 //
00010 // OpenWalnut is free software: you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as published by
00012 // the Free Software Foundation, either version 3 of the License, or
00013 // (at your option) any later version.
00014 //
00015 // OpenWalnut is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018 // GNU Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public License
00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
00022 //
00023 //---------------------------------------------------------------------------
00024 
00025 #include "../common/WProperties.h"
00026 
00027 #include "shaders/WGEShader.h"
00028 #include "shaders/WGEPropertyUniform.h"
00029 
00030 #include "WGEViewerEffectVignette.h"
00031 
00032 WGEViewerEffectVignette::WGEViewerEffectVignette():
00033     WGEViewerEffect( "Vignette", "Provide a basic vignette effect." )
00034 {
00035     // WPropDouble vignetteIntensity = m_properties->addProperty( "", "", 0.5 );
00036     WPropDouble vignetteIntensity = m_properties->addProperty( "Strength", "Define dominance of vignette effect.", 0.33 );
00037     vignetteIntensity->setMin( 0.0 );
00038     vignetteIntensity->setMax( 2.0 );
00039     m_state->addUniform( new WGEPropertyUniform< WPropDouble >( "u_vignetteIntensity", vignetteIntensity ) );
00040 
00041     // defaults are ok. Just set shader
00042     osg::ref_ptr< WGEShader > vignetteShader = new WGEShader( "WGECameraVignette" );
00043     vignetteShader->apply( m_geode );
00044 }
00045 
00046 WGEViewerEffectVignette::~WGEViewerEffectVignette()
00047 {
00048     // cleanup
00049 }
00050