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 /* This file is part of the KDE project
  * Copyright (C) 2007, 2009 Thomas Zander <zander@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 #ifndef KOIMAGECOLLECTION_H
 #define KOIMAGECOLLECTION_H
 
 #include "flake_export.h"
 
 #include <QObject>
 #include <KoDataCenterBase.h>
 
 class QImage;
 class QUrl;
 class KoStore;
 class KoImageData;
 
 /**
  * A collection of KoImageData objects to allow loading and saving them all together to the KoStore.
  * It also makes sure that if the same image is added to the collection that they share the internal data structure.
  */
 class FLAKE_EXPORT KoImageCollection : public QObject, public KoDataCenterBase
 {
     Q_OBJECT
 public:
     /// constructor
     explicit KoImageCollection(QObject *parent = 0);
     ~KoImageCollection() override;
 
     /// reimplemented
     bool completeLoading(KoStore *store) override;
 
     /**
      * Save all images to the store which are in the context
      * @return returns true if save was successful (no images failed).
      */
     bool completeSaving(KoStore *store, KoXmlWriter *manifestWriter, KoShapeSavingContext *context) override;
 
     /**
      * Create a data object for the image data.
      * The collection will create an image data in a way that if there is an
      * existing data object with the same image the returned KoImageData will
      * share its data.
      * @param image a valid image which will be represented by the imageData.
      * @see KoImageData::isValid()
      */
     KoImageData *createImageData(const QImage &image);
 
     /**
      * Create a data object for the image data.
      * The collection will create an image data in a way that if there is an
      * existing data object with the same image the returned KoImageData will
      * share its data.
      * @param href the name of the image inside the store.
      * @param store the KoStore object.
      * @see KoImageData::isValid()
      */
     KoImageData *createImageData(const QString &href, KoStore *store);
 
     /**
      * Create a data object for the image data.
      * The collection will create an image data in a way that if there is an
      * existing data object with the same image the returned KoImageData will
      * share its data.
      * @param imageData the bytes that represent the image in a format like png.
      * @see KoImageData::isValid()
      */
     KoImageData *createImageData(const QByteArray &imageData);
 
     void removeOnKey(qint64 imageDataKey);
 
     bool fillFromKey(KoImageData &idata, qint64 imageDataKey);
 
     /**
      * Get the number of images inside the collection
      */
     int size() const;
 
     /**
      * Get the number of images inside the collection
      */
     int count() const;
 
     /**
      * Update the imagecollection: the imagedata object with the old
      * key will now be associated with the new key.
      *
      * @param the key by which the object is known in the collection
      * @param they new key by which the object should be known
      */
     void update(qint64 oldKey, qint64 newKey);
 
 private:
     KoImageData *cacheImage(KoImageData *data);
 
     class Private;
     Private * const d;
 };
 
 #endif // KOIMAGECOLLECTION_H