107 lines
2.7 KiB
C++
107 lines
2.7 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 PHOTOARCHIVE_H
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#define PHOTOARCHIVE_H
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#include <osg/Image>
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class PhotoArchive : public osg::Referenced
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{
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public:
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static PhotoArchive* open(const std::string& filename)
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{
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osg::ref_ptr<PhotoArchive> archive = new PhotoArchive(filename);
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if (!archive->empty()) return archive.release();
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else return 0;
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}
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typedef std::vector<std::string> FileNameList;
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bool empty() { return _photoIndex.empty(); }
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void getImageFileNameList(FileNameList& filenameList);
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static void buildArchive(const std::string& filename, const FileNameList& imageList, unsigned int thumbnailSize=256, unsigned int maximumSize=1024, bool compressed=true);
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osg::Image* readImage(const std::string& filename,
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unsigned int target_s, unsigned target_t,
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float& original_s, float& original_t);
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protected:
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PhotoArchive(const std::string& filename);
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virtual ~PhotoArchive() {}
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bool readPhotoIndex(const std::string& filename);
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struct PhotoHeader
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{
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PhotoHeader():
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original_s(0),
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original_t(0),
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thumbnail_s(0),
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thumbnail_t(0),
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thumbnail_position(0),
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fullsize_s(0),
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fullsize_t(0),
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fullsize_position(0)
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{
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filename[0]='\0';
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}
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char filename[256];
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unsigned int original_s;
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unsigned int original_t;
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unsigned int thumbnail_s;
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unsigned int thumbnail_t;
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unsigned int thumbnail_position;
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unsigned int fullsize_s;
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unsigned int fullsize_t;
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unsigned int fullsize_position;
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};
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struct ImageHeader
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{
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ImageHeader():
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s(0),
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t(0),
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internalTextureformat(0),
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pixelFormat(0),
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type(0),
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size(0) {}
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unsigned int s;
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unsigned int t;
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GLint internalTextureformat;
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GLenum pixelFormat;
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GLenum type;
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unsigned int size;
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};
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typedef std::vector<PhotoHeader> PhotoIndexList;
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std::string _archiveFileName;
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PhotoIndexList _photoIndex;
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};
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#endif
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