File indexing completed on 2024-05-12 15:59:31

 /*
  * SPDX-FileCopyrightText: 2007 Cyrille Berger <cberger@cberger.net>
  *
  * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #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 rendering intent
      * @param conversionFlags 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::CachedTransformation* transfo);
 public:
     KoCachedColorConversionTransformation(const KoCachedColorConversionTransformation&);
     ~KoCachedColorConversionTransformation();
 public:
     const KoColorConversionTransformation* transformation() const;
 private:
     KoColorConversionCache::CachedTransformation* m_transfo;
 };
 
 
 #endif