kc3-lang/ftgl/src/FTCleanup.h

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• Hash : 0fd32b61
  Author :
  Date : 2009-07-20T09:02:24
  

  Add missing FTCleanup files required for commit 1218.

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• src/FTCleanup.h

• /*
   * FTGL - OpenGL font library
   *
   * Copyright (c) 2009 Sam Hocevar <sam@hocevar.net>
   *               2009 Mathew Eis (kingrobot)
   *
   * 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 above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * 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     __FTCleanup__
  #define     __FTCleanup__
  
  #include <set>
  
  #include "FTFace.h"
  
  /**
   * A dummy object type for items to be stored in the cleanup list
   */
  typedef void* FTCleanupObject;
  
  /**
   * FTCleanup is used as a "callback" by FTLibrary to
   * make sure things are cleaned up in the right order
   */
  class FTCleanup
  {
      protected:
  
          /**
           * singleton instance
           */
          static FTCleanup* _instance;
  
          /**
           * Constructors
           */
           FTCleanup();
  
          /**
           * Destructor
           */
           ~FTCleanup();
  
      public:
  
          /**
           * Generate the instance if necessary and return it
           *
           * @return The FTCleanup instance
           */
          static FTCleanup* Instance()
          {
              if (FTCleanup::_instance == 0)
                  FTCleanup::_instance = new FTCleanup;
              return FTCleanup::_instance;
          }
  
          /**
          * Destroy the FTCleanup instance
          */
          static void DestroyAll()
          {
              delete FTCleanup::_instance;
          }
  
          /**
           * Add an FT_Face to the cleanup list
           *
           * @param obj The reference to the FT_Face to be deleted on cleanup
           */
          void RegisterObject(FT_Face **obj);
  
          /**
           * Remove an FT_Face from the cleanup list
           *
           * @param obj The reference to the FT_Face to be removed from the list
           */
          void UnregisterObject(FT_Face **obj);
  
      private:
  
          std::set<FT_Face **> cleanupFT_FaceItems;
  };
  
  #endif  //  __FTCleanup__
  
  

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