kc3-lang/ftgl/src/FTLibrary.h

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• Hash : 8f4cefb2
  Author :
  Date : 2008-04-30T16:35:23
  

  * Remove FTGL_EXPORT specification from classes that are not actually exported.

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• src/FTLibrary.h

• /*
   * FTGL - OpenGL font library
   *
   * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
   *
   * 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     __FTLibrary__
  #define     __FTLibrary__
  
  #include <ft2build.h>
  #include FT_FREETYPE_H
  //#include FT_CACHE_H
  
  #include "FTGL/ftgl.h"
  
  
  /**
   * FTLibrary class is the global accessor for the Freetype library.
   *
   * This class encapsulates the Freetype Library. This is a singleton class
   * and ensures that only one FT_Library is in existence at any one time.
   * All constructors are private therefore clients cannot create or
   * instantiate this class themselves and must access it's methods via the
   * static <code>FTLibrary::Instance()</code> function.
   *
   * Just because this class returns a valid <code>FTLibrary</code> object
   * doesn't mean that the Freetype Library has been successfully initialised.
   * Clients should check for errors. You can initialse the library AND check
   * for errors using the following code...
   * <code>err = FTLibrary::Instance().Error();</code>
   *
   * @see "Freetype 2 Documentation"
   *
   */
  class FTLibrary
  {
      public:
          /**
           * Global acces point to the single FTLibrary object.
           *
           * @return  The global <code>FTLibrary</code> object.
           */
          static const FTLibrary& Instance();
  
          /**
           * Gets a pointer to the native Freetype library.
           *
           * @return A handle to a FreeType library instance.
           */
          const FT_Library* const GetLibrary() const { return library; }
  
          /**
           * Queries the library for errors.
           *
           * @return  The current error code.
           */
          FT_Error Error() const { return err; }
  
          /**
           * Destructor
           *
           * Disposes of the Freetype library
           */
          ~FTLibrary();
  
      private:
          /**
           * Default constructors.
           *
           * Made private to stop clients creating there own FTLibrary
           * objects.
           */
          FTLibrary();
          FTLibrary(const FT_Library&){}
          FTLibrary& operator=(const FT_Library&) { return *this; }
  
          /**
           * Initialises the Freetype library
           *
           * Even though this function indicates success via the return value,
           * clients can't see this so must check the error codes. This function
           * is only ever called by the default c_stor
           *
           * @return  <code>true</code> if the Freetype library was
           *          successfully initialised, <code>false</code>
           *          otherwise.
           */
          bool Initialise();
  
          /**
           * Freetype library handle.
           */
          FT_Library* library;
  //      FTC_Manager* manager;
  
          /**
           * Current error code. Zero means no error.
           */
          FT_Error err;
  
  };
  
  #endif  //  __FTLibrary__
  

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