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 /*
  * Copyright (C) 2007 Cyrille Berger <cberger@cberger.net>
  *
  * 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 _KO_COLOR_CONVERSION_CACHE_HPP_
 #define _KO_COLOR_CONVERSION_CACHE_HPP_
 
 class KoCachedColorConversionTransformation;
 class KoColorSpace;
 
 #include "KoColorConversionTransformation.h"
 
 /**
  * This class holds a cache of KoColorConversionTransformations.
  *
  * This class is not part of public API, and can be changed without notice.
  */
 class KoColorConversionCache
 {
 public:
     struct CachedTransformation;
 public:
     KoColorConversionCache();
     ~KoColorConversionCache();
 
     /**
      * This function returns a cached color transformation if available
      * or create one.
      * @param src source color space
      * @param dst destination color space
      * @param _renderingIntent the rendering intent
      * @param conversionFlags the conversion flags
      */
     KoCachedColorConversionTransformation cachedConverter(const KoColorSpace* src,
                                                           const KoColorSpace* dst,
                                                           KoColorConversionTransformation::Intent _renderingIntent,
                                                           KoColorConversionTransformation::ConversionFlags conversionFlags);
 
     /**
      * This function is called by the destructor of the color space to
      * warn the cache that any pointers to this color space is going to
      * be invalid and that the cache needs to stop using those pointers.
      * @param src source color space
      */
     void colorSpaceIsDestroyed(const KoColorSpace* src);
 private:
     struct Private;
     Private* const d;
 };
 
 /**
  * This class hold a cached color conversion. It can only be created
  * by the cache and when it's deleted it return the transformation to
  * the pool of available color conversion transformation.
  *
  * This class is not part of public API, and can be changed without notice.
  */
 class KoCachedColorConversionTransformation
 {
     friend class KoColorConversionCache;
 private:
     KoCachedColorConversionTransformation(KoColorConversionCache* cache,
                                           KoColorConversionCache::CachedTransformation* transfo);
 public:
     KoCachedColorConversionTransformation(const KoCachedColorConversionTransformation&);
     ~KoCachedColorConversionTransformation();
 public:
     const KoColorConversionTransformation* transformation() const;
 private:
     struct Private;
     Private* const d;
 };
 
 
 #endif