JUCE/build/win32/platform_specific_code/juce_win32_DynamicLibraryLoader.h

/*
  ==============================================================================

   This file is part of the JUCE library - "Jules' Utility Class Extensions"
   Copyright 2004-7 by Raw Material Software ltd.

  ------------------------------------------------------------------------------

   JUCE can be redistributed and/or modified under the terms of the
   GNU General Public License, as published by the Free Software Foundation;
   either version 2 of the License, or (at your option) any later version.

   JUCE 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with JUCE; if not, visit www.gnu.org/licenses or write to the
   Free Software Foundation, Inc., 59 Temple Place, Suite 330,
   Boston, MA 02111-1307 USA

  ------------------------------------------------------------------------------

   If you'd like to release a closed-source product which uses JUCE, commercial
   licenses are also available: visit www.rawmaterialsoftware.com/juce for
   more information.

  ==============================================================================
*/

#ifndef __JUCE_WIN32_DYNAMICLIBRARYLOADER_JUCEHEADER__
#define __JUCE_WIN32_DYNAMICLIBRARYLOADER_JUCEHEADER__

#ifndef DOXYGEN

//==============================================================================
// use with DynamicLibraryLoader to simplify importing functions
//
// functionName: function to import
// localFunctionName: name you want to use to actually call it (must be different)
// returnType: the return type
// object: the DynamicLibraryLoader to use
// params: list of params (bracketed)
//
#define DynamicLibraryImport(functionName, localFunctionName, returnType, object, params) \
    typedef returnType (WINAPI *type##localFunctionName) params; \
    type##localFunctionName localFunctionName  \
        = (type##localFunctionName)object.findProcAddress (#functionName);


//==============================================================================
// loads and unloads a DLL automatically
class JUCE_API  DynamicLibraryLoader
{
public:
    DynamicLibraryLoader (const String& name);
    ~DynamicLibraryLoader();

    void* findProcAddress (const String& functionName);

private:
    void* libHandle;
};


#endif
#endif   // __JUCE_WIN32_DYNAMICLIBRARYLOADER_JUCEHEADER__