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/* -*-c++-*-
*
* OpenSceneGraph example, osgphotoalbum.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef PHOTOARCHIVE_H
#define PHOTOARCHIVE_H
#include <osg/Image>
class PhotoArchive : public osg::Referenced
{
public:
static PhotoArchive* open(const std::string& filename)
{
osg::ref_ptr<PhotoArchive> archive = new PhotoArchive(filename);
if (!archive->empty()) return archive.release();
else return 0;
}
typedef std::vector<std::string> FileNameList;
bool empty() { return _photoIndex.empty(); }
void getImageFileNameList(FileNameList& filenameList);
static void buildArchive(const std::string& filename, const FileNameList& imageList, unsigned int thumbnailSize=256, unsigned int maximumSize=1024, bool compressed=true);
osg::Image* readImage(const std::string& filename,
unsigned int target_s, unsigned target_t,
float& original_s, float& original_t);
protected:
PhotoArchive(const std::string& filename);
virtual ~PhotoArchive() {}
bool readPhotoIndex(const std::string& filename);
struct PhotoHeader
{
PhotoHeader():
original_s(0),
original_t(0),
thumbnail_s(0),
thumbnail_t(0),
thumbnail_position(0),
fullsize_s(0),
fullsize_t(0),
fullsize_position(0)
{
filename[0]='\0';
}
char filename[256];
unsigned int original_s;
unsigned int original_t;
unsigned int thumbnail_s;
unsigned int thumbnail_t;
unsigned int thumbnail_position;
unsigned int fullsize_s;
unsigned int fullsize_t;
unsigned int fullsize_position;
};
struct ImageHeader
{
ImageHeader():
s(0),
t(0),
internalTextureformat(0),
pixelFormat(0),
type(0),
size(0) {}
unsigned int s;
unsigned int t;
GLint internalTextureformat;
GLenum pixelFormat;
GLenum type;
unsigned int size;
};
typedef std::vector<PhotoHeader> PhotoIndexList;
std::string _archiveFileName;
PhotoIndexList _photoIndex;
};
#endif
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