ColorRange.h

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/* -*-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.
*/

#ifndef OSGSIM_COLORRANGE
#define OSGSIM_COLORRANGE 1

#include <osgSim/Export>

#include <osgSim/ScalarsToColors>
#include <vector>

namespace osgSim
{
class OSGSIM_EXPORT ColorRange: public ScalarsToColors
{
public:

    ColorRange(float min, float max);

    ColorRange(float min, float max, const std::vector<osg::Vec4>& colors);

    void setColors(const std::vector<osg::Vec4>& colors);

    const std::vector<osg::Vec4>& getColors() const { return _colors; }

    osg::Vec4 getColor(float scalar) const;

private:

    // Default assignment and copy construction are OK.

    std::vector<osg::Vec4> _colors;
};

}

#endif