/home/cube/sources/osgearth/src/osgEarthDrivers/engine_seamless/PatchInfo

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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2010 Pelican Ventures, Inc.
 * http://osgearth.org
 *
 * osgEarth is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */
#ifndef SEAMLESS_PATCHINFO
#define SEAMLESS_PATCHINFO 1

#include <osg/Vec2d>
#include <osgEarth/TileKey>

namespace seamless
{
class PatchInfo
{
public:
    virtual void getPatchExtents(osg::Vec2d& lowerLeft, osg::Vec2d& upperRight) const = 0;
    virtual int getPatchLevel() const = 0;
    virtual osgEarth::TileKey getTileKey() = 0;
    virtual const osgEarth::TileKey& getTileKey() const = 0;
};
}
#endif