Crazy Eddie's GUI System  0.8.4
Interpolator.h
00001 /***********************************************************************
00002     created:    7/8/2010
00003     author:     Martin Preisler
00004 
00005     purpose:    Defines the interface for the abstract Interpolator class
00006 *************************************************************************/
00007 /***************************************************************************
00008  *   Copyright (C) 2004 - 2010 Paul D Turner & The CEGUI Development Team
00009  *
00010  *   Permission is hereby granted, free of charge, to any person obtaining
00011  *   a copy of this software and associated documentation files (the
00012  *   "Software"), to deal in the Software without restriction, including
00013  *   without limitation the rights to use, copy, modify, merge, publish,
00014  *   distribute, sublicense, and/or sell copies of the Software, and to
00015  *   permit persons to whom the Software is furnished to do so, subject to
00016  *   the following conditions:
00017  *
00018  *   The above copyright notice and this permission notice shall be
00019  *   included in all copies or substantial portions of the Software.
00020  *
00021  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00022  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00023  *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00024  *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
00025  *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00026  *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00027  *   OTHER DEALINGS IN THE SOFTWARE.
00028  ***************************************************************************/
00029 #ifndef _CEGUIInterpolator_h_
00030 #define _CEGUIInterpolator_h_
00031 
00032 #include "CEGUI/Base.h"
00033 #include "CEGUI/String.h"
00034 
00035 // Start of CEGUI namespace section
00036 namespace CEGUI
00037 {
00038 
00053 class CEGUIEXPORT Interpolator :
00054     public AllocatedObject<Interpolator>
00055 {
00056 public:
00058     virtual ~Interpolator() {};
00059 
00061     virtual const String& getType() const = 0;
00062 
00063     // interpolate methods aren't const, because the interpolator could provide
00064     // some sort of caching mechanism if converting properties is too expensive
00065     // that it is worth it
00066 
00070     virtual String interpolateAbsolute(const String& value1,
00071                                        const String& value2,
00072                                        float position) = 0;
00073 
00077     virtual String interpolateRelative(const String& base,
00078                                        const String& value1,
00079                                        const String& value2,
00080                                        float position) = 0;
00081 
00085     virtual String interpolateRelativeMultiply(const String& base,
00086             const String& value1,
00087             const String& value2,
00088             float position) = 0;
00089 };
00090 
00091 } // End of  CEGUI namespace section
00092 
00093 #endif  // end of guard _CEGUIInterpolator_h_
00094 
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