80 lines
2.2 KiB
Plaintext
80 lines
2.2 KiB
Plaintext
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/* -*-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 OSGEARTH_COMPOSITING_H
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#define OSGEARTH_COMPOSITING_H 1
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#include <osgEarth/Common>
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#include <osgEarth/TileKey>
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#include <osg/Referenced>
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#include <osg/Image>
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#include <vector>
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namespace osgEarth { namespace Util
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{
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/**
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* Pairs an OSG image with TileKey parameters.
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*/
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struct OSGEARTH_EXPORT TileImage
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{
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/**
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*Constructor
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*/
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TileImage(const osg::Image* image, const TileKey& key);
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/** dtor */
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virtual ~TileImage() { }
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/**
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*Gets a reference to the Image held by this GeoImage
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*/
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const osg::Image* getImage() {return _image.get();}
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osg::ref_ptr<const osg::Image> _image;
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double _minX, _minY, _maxX, _maxY;
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unsigned int _tileX;
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unsigned int _tileY;
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};
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/**
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* Utility class for extracting a single image from a collection of image tiles
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*/
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class OSGEARTH_EXPORT ImageMosaic : public osg::Referenced
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{
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public:
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ImageMosaic();
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virtual ~ImageMosaic();
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osg::Image* createImage();
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/** A list of GeoImages */
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typedef std::vector<TileImage> TileImageList;
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/** Gets the images for this ImageMosaic */
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TileImageList& getImages() {return _images;}
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void getExtents(double &minX, double &minY, double &maxX, double &maxY);
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protected:
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TileImageList _images;
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};
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} }
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#endif // OSGEARTH_COMPOSITING_H
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