resource_manager.hpp
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上传日期:2007-06-13
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- /*
- * ===========================================================================
- * PRODUCTION $Log: resource_manager.hpp,v $
- * PRODUCTION Revision 1000.0 2004/06/01 19:56:47 gouriano
- * PRODUCTION PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.5
- * PRODUCTION
- * ===========================================================================
- */
- #ifndef __GUI_WIDGETS_FL___RESOURCE_MANAGER__HPP
- #define __GUI_WIDGETS_FL___RESOURCE_MANAGER__HPP
- /* $Id: resource_manager.hpp,v 1000.0 2004/06/01 19:56:47 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Authors: Andrey Yazhuk
- *
- * File Description:
- *
- */
- #include <corelib/ncbiobj.hpp>
- #include <gui/gui.hpp>
- #include <FL/Fl_Image.H>
- #include <FL/Fl_PNG_Image.H>
- /** @addtogroup GUI_FltkWidgets
- *
- * @{
- */
- BEGIN_NCBI_SCOPE
- ////////////////////////////////////////////////////////////////////////////////
- ///
- class CFLTKImageHandle
- {
- public:
- typedef Fl_Image TImage;
- typedef CObjectFor<TImage*> TObjForImage;
- typedef CRef<TObjForImage> TImageRef;
- CFLTKImageHandle() {};
- CFLTKImageHandle(TImage* image) // takes ownership of the image
- {
- if(image) {
- m_Ref = new TObjForImage;
- *m_Ref = image;
- } else m_Ref = NULL;
- }
- inline TImage& operator*()
- {
- return *(*m_Ref).GetData();
- }
- inline TImage* operator->()
- {
- return (*m_Ref).GetData();
- }
- inline operator bool()
- {
- return (bool) m_Ref;
- }
-
- protected:
-
- TImageRef m_Ref;
- };
- ////////////////////////////////////////////////////////////////////////////////
- /// CPNGImageExt - this class provides a way to draw transparent PNGs (what is not
- /// supported in FLTK 1.5). Image is blended with given background color using
- /// alpha-channel data present in the image and then result is drawn on screen
- /// as non-transperent.
- class CPNGImageExt : public Fl_PNG_Image
- {
- public:
- typedef uchar TByte;
- CPNGImageExt(const char* filename);
-
- virtual void DrawTransparent(Fl_Color back_color, int X, int Y, int W, int H,
- bool disabled = false, int cx = 0, int cy = 0);
- };
- ////////////////////////////////////////////////////////////////////////////////
- /// CResourceManager
- ///
- /// Provides access to application-specific resources such images and icons.
- /// Resources are stored as files in repository which is a directory in file
- /// system. Resources are identified by local paths inside repository or aliases.
- /// Aliases are symbolic names of resources making programming GUI independent from
- /// the actual filenames.
- class NCBI_GUIWIDGETS_FL_EXPORT CResourceManager : public CObject
- {
- public:
- typedef CFLTKImageHandle::TImage TImage;
- /// Specifies ";" - separated list of directorries where resources are located.
- /// When CResourceManager is loading a resource it concatenates local path
- /// corresponding to a resource with directories from this list and tries to
- /// resolve the resultant path. If path exists - resource is loaded using this path
- CResourceManager(const string& dir_list);
- /// register symbolic name (alias) for a resource identified by "local_path"
- void RegisterAlias(const string& alias, const string& local_path);
- CFLTKImageHandle GetImage(const string& alias);
- protected:
- typedef list<string> TDirList;
- typedef map<string, string> TAliasToPathMap;
- typedef map<string, CFLTKImageHandle> TAliasToImageMap;
- TDirList m_DirList; // directories where resources are located
- TAliasToPathMap m_AliasToPath;
- TAliasToImageMap m_AliasToImage;
- };
- END_NCBI_SCOPE
- /* @} */
- /*
- * ===========================================================================
- * $Log: resource_manager.hpp,v $
- * Revision 1000.0 2004/06/01 19:56:47 gouriano
- * PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.5
- *
- * Revision 1.5 2004/05/13 17:24:22 yazhuk
- * Added "disabled" argument to CPNGImageExt::DrawTransparent()
- *
- * Revision 1.4 2004/05/11 18:55:14 dicuccio
- * Added doxygen modules info
- *
- * Revision 1.3 2004/05/03 19:48:31 yazhuk
- * Added Fl_PNG_Image class, implemented support for "standard" directories
- *
- * Revision 1.2 2004/05/03 12:47:08 dicuccio
- * Added #include for gui/gui.hpp. gui/utils ->gui/objutils where needed.
- *
- * Revision 1.1 2004/04/22 16:53:18 yazhuk
- * Initial revision: menu_window.hpp
- *
- * ===========================================================================
- */
- #endif // __GUI_WIDGETS_FL___RESOURCE_MANAGER__HPP