/* -*-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 OSGDB_IMAGEPROCESSOR
#define OSGDB_IMAGEPROCESSOR 1

#include <osg/Object>

namespace osgDB {

class ImageProcessor : public osg::Object
{
    public:

        ImageProcessor():
            osg::Object(true) {}

        ImageProcessor(const ImageProcessor& rw,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
            osg::Object(rw,copyop) {}

        virtual ~ImageProcessor() {}

        META_Object(osgDB,ImageProcessor);

        enum CompressionMethod
        {
            USE_CPU, /// Use CPU for compression even when GPU compression is available
            USE_GPU  /// Use GPU for compression when available (i.e CUDA), otherwise fallback to CPU
        };

        enum CompressionQuality
        {
            FASTEST,
            NORMAL,
            PRODUCTION,
            HIGHEST
        };

        virtual void compress(osg::Image& image, osg::Texture::InternalFormatMode compressedFormat, bool generateMipMap, bool resizeToPowerOfTwo, CompressionMethod method, CompressionQuality quality) {}
        virtual void generateMipMap(osg::Image& image, bool resizeToPowerOfTwo, CompressionMethod method) {}
};

}
#endif