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00001 /* ****************************************************************** **
00002 **    OpenSees - Open System for Earthquake Engineering Simulation    **
00003 **          Pacific Earthquake Engineering Research Center            **
00004 **                                                                    **
00005 **                                                                    **
00006 ** (C) Copyright 1999, The Regents of the University of California    **
00007 ** All Rights Reserved.                                               **
00008 **                                                                    **
00009 ** Commercial use of this program without express permission of the   **
00010 ** University of California, Berkeley, is strictly prohibited.  See   **
00011 ** file 'COPYRIGHT'  in main directory for information on usage and   **
00012 ** redistribution,  and for a DISCLAIMER OF ALL WARRANTIES.           **
00013 **                                                                    **
00014 ** Developed by:                                                      **
00015 **   Frank McKenna (fmckenna@ce.berkeley.edu)                         **
00016 **   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **
00017 **   Filip C. Filippou (filippou@ce.berkeley.edu)                     **
00018 **                                                                    **
00019 ** ****************************************************************** */
00020                                                                         
00021 // $Revision: 1.2 $
00022 // $Date: 2001/07/26 00:56:05 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/renderer/ColorMap.h,v $
00024                                                                         
00025                                                                         
00026 // File: ~/graphics/ColorMap.h
00027 //
00028 // Written: fmk 
00029 // Created: 10/98
00030 // Revision: A
00031 //
00032 // Description: This file contains the class definition for ColorMap.
00033 // ColorMap is an abstract base class. An ColorMap object is used
00034 // to determine the r,g,b values given an input value.
00035 //
00036 // What: "@(#) ColorMap.h, revA"
00037 
00038 #ifndef ColorMap_h
00039 #define ColorMap_h
00040 
00051 class ColorMap
00052 {
00053   public:
00057     ColorMap() {};
00058 
00062     virtual ~ColorMap() {};
00063 
00068     virtual float getRed(float value) =0;
00069 
00074     virtual float getGreen(float value) =0;
00075 
00080     virtual float getBlue(float value) =0;
00081 
00083     virtual int   getRGB(float value, float &red, float &green, float &blue) =0;
00084 
00086     virtual int   startImage() =0;
00087   protected:
00088     
00089   private:
00090 };
00091 
00092 
00093 #endif
00094