ImageStorage.hh

/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
*                                                                            *
\*===========================================================================*/



#ifndef TEXTUREIMAGESTORAGE_HH
#define TEXTUREIMAGESTORAGE_HH

#include <QMap>
#include <QDateTime>
#include <QPair>
#include <QImage>

// ---------------------------------------------------------------------------

class ImageStore {
  public :
    ImageStore();

    int  addImageFile( QString _filename);
    int  addImage( QImage _image );

    int  getImageID(QString _filename);

    QImage& getImage(int _id, bool* _ok);

    QString error() {return errorString_; };

    void removeImage(int _id);

  inline const QMap<int,QImage>& imageMap() const{return imageMap_;}
  inline const QMap< QString,QPair<int,QDateTime> >& filenameMap() const {return filenameMap_;}
  inline const QMap<int,QString>& reverseFilenameMap() const {return reverseFilenameMap_;}
  inline const QMap<int,unsigned int>& refCount() const {return refCount_;}

  private:
    QMap<int,QImage>  imageMap_;
    QMap< QString,QPair<int,QDateTime> > filenameMap_;
    QMap<int,QString> reverseFilenameMap_;
    QMap<int,unsigned int> refCount_;

    QString errorString_;

    QImage dummy_;
    int nextId_;
};

ImageStore& imageStore();



#endif //TEXTUREIMAGESTORAGE_HH