89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This application is open source and may be redistributed and/or modified under
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* the terms of the GNU Public License (GPL) version 1.0 or
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* (at your option) any later version.
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*
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* This library 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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* OpenSceneGraph Public License for more details.
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*/
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#ifndef IMAGEREADERWRITER_H
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#define IMAGEREADERWRITER_H
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#include <osgDB/ReadFile>
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#include <osgDB/WriteFile>
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#include <osgDB/ImageOptions>
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#include <OpenThreads/ScopedLock>
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#include <OpenThreads/ReentrantMutex>
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#include "PhotoArchive.h"
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#define SERIALIZER() OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(_serializerMutex)
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class ImageReaderWriter : public osgDB::ReaderWriter
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{
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public:
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ImageReaderWriter();
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virtual const char* className() const { return "ImageReader"; }
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void addPhotoArchive(PhotoArchive* archive) { _photoArchiveList.push_back(archive); }
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std::string insertReference(const std::string& fileName, unsigned int res, float width, float height, bool backPage)
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{
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SERIALIZER();
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return const_cast<ImageReaderWriter*>(this)->local_insertReference(fileName, res, width, height, backPage);
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}
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virtual ReadResult readNode(const std::string& fileName, const Options* options) const
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{
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SERIALIZER();
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return const_cast<ImageReaderWriter*>(this)->local_readNode(fileName, options);
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}
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protected:
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std::string local_insertReference(const std::string& fileName, unsigned int res, float width, float height, bool backPage);
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ReadResult local_readNode(const std::string& fileName, const Options*);
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mutable OpenThreads::ReentrantMutex _serializerMutex;
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struct DataReference
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{
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DataReference();
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DataReference(const std::string& fileName, unsigned int res, float width, float height,bool backPage);
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DataReference(const DataReference& rhs);
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std::string _fileName;
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unsigned int _resolutionX;
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unsigned int _resolutionY;
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osg::Vec3 _center;
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osg::Vec3 _maximumWidth;
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osg::Vec3 _maximumHeight;
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unsigned int _numPointsAcross;
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unsigned int _numPointsUp;
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bool _backPage;
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};
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osg::Image* readImage_Archive(DataReference& dr, float& s,float& t);
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osg::Image* readImage_DynamicSampling(DataReference& dr, float& s,float& t);
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typedef std::map< std::string,DataReference > DataReferenceMap;
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typedef std::vector< osg::ref_ptr<PhotoArchive> > PhotoArchiveList;
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DataReferenceMap _dataReferences;
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PhotoArchiveList _photoArchiveList;
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};
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#endif
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