57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTHSYMBOLOGY_GEOMETRY_RASTERIZER_H
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#define OSGEARTHSYMBOLOGY_GEOMETRY_RASTERIZER_H 1
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#include <osgEarth/Common>
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#include <osgEarth/Geometry>
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#include <osgEarth/Style>
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#include <osg/Image>
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namespace osgEarth
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{
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/**
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* Draws geometry onto an Image canvas using software path-rendering.
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*/
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class OSGEARTH_EXPORT GeometryRasterizer
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{
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public:
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GeometryRasterizer( int width, int height, const Style& style =Style() );
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GeometryRasterizer( osg::Image* image, const Style& style =Style() );
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/** dtor */
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virtual ~GeometryRasterizer();
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/** draws the geometry to the image. */
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void draw( const Geometry* geom, const osg::Vec4f& color =osg::Vec4f(1,1,1,1) );
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/** finishes the image and returns it. calls to draw() after this will have no effect. */
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osg::Image* finalize();
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private:
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osg::ref_ptr<osg::Image> _image;
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Style _style;
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osg::ref_ptr<osg::Referenced> _state;
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};
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} // namespace osgEarth
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#endif // OSGEARTHSYMBOLOGY_GEOMETRY_RASTERIZER_H
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