Quantum GIS API Documentation  1.7.4
src/core/raster/qgsfreakoutshader.h
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00001 /* **************************************************************************
00002                 qgsfreakoutshader.h -  description
00003                        -------------------
00004 begin                : Fri Dec 28 2007
00005 copyright            : (C) 2007 by Peter J. Ersts
00006 email                : ersts@amnh.org
00007 
00008 This class contains code that was originally part of the larger QgsRasterLayer
00009 class originally created circa 2004 by T.Sutton, Gary E.Sherman, Steve Halasz
00010 ****************************************************************************/
00011 
00012 /* **************************************************************************
00013  *                                                                         *
00014  *   This program is free software; you can redistribute it and/or modify  *
00015  *   it under the terms of the GNU General Public License as published by  *
00016  *   the Free Software Foundation; either version 2 of the License, or     *
00017  *   (at your option) any later version.                                   *
00018  *                                                                         *
00019  ***************************************************************************/
00020 
00021 #ifndef QGSFREAKOUTSHADER_H
00022 #define QGSFREAKOUTSHADER_H
00023 
00024 #include "qgsrastershaderfunction.h"
00025 
00029 class CORE_EXPORT QgsFreakOutShader : public QgsRasterShaderFunction
00030 {
00031 
00032   public:
00033     QgsFreakOutShader( double theMinimumValue = 0.0, double theMaximumValue = 255.0 );
00034 
00036     bool shade( double, int*, int*, int* );
00037 
00039     bool shade( double, double, double, int*, int*, int* );
00040 
00042     void setMaximumValue( double );
00043 
00045     void setMinimumValue( double );
00046 
00047   private:
00048     void setClassBreaks();
00049 
00050     double mBreakSize;
00051     double mClassBreakMin1;
00052     double mClassBreakMax1;
00053     double mClassBreakMin2;
00054     double mClassBreakMax2;
00055     double mClassBreakMin3;
00056 };
00057 
00058 #endif
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