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curve.h

00001 // curve.h
00002 //
00003 // Copyright (C) 2003, 2004 Jason Bevins
00004 //
00005 // This library is free software; you can redistribute it and/or modify it
00006 // under the terms of the GNU Lesser General Public License as published by
00007 // the Free Software Foundation; either version 2.1 of the License, or (at
00008 // your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful, but WITHOUT
00011 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00012 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00013 // License (COPYING.txt) for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public License
00016 // along with this library; if not, write to the Free Software Foundation,
00017 // Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //
00019 // The developer's email is jlbezigvins@gmzigail.com (for great email, take
00020 // off every 'zig'.)
00021 //
00022 
00023 #ifndef NOISE_MODULE_CURVE_H
00024 #define NOISE_MODULE_CURVE_H
00025 
00026 #include "modulebase.h"
00027 
00028 namespace noise
00029 {
00030 
00031   namespace module
00032   {
00033 
00036 
00040     struct ControlPoint
00041     {
00042 
00044       double inputValue;
00045 
00047       double outputValue;
00048 
00049     };
00050 
00053 
00056 
00081     class Curve: public Module
00082     {
00083 
00084       public:
00085 
00087         Curve ();
00088 
00090         ~Curve ();
00091 
00103         void AddControlPoint (double inputValue, double outputValue);
00104 
00108         void ClearAllControlPoints ();
00109 
00120         const ControlPoint* GetControlPointArray () const
00121         {
00122           return m_pControlPoints;
00123         }
00124 
00128         int GetControlPointCount () const
00129         {
00130           return m_controlPointCount;
00131         }
00132 
00133         virtual int GetSourceModuleCount () const
00134         {
00135           return 1;
00136         }
00137 
00138         virtual double GetValue (double x, double y, double z) const;
00139 
00140       protected:
00141 
00158         int FindInsertionPos (double inputValue);
00159 
00176         void InsertAtPos (int insertionPos, double inputValue,
00177           double outputValue);
00178 
00180         int m_controlPointCount;
00181 
00183         ControlPoint* m_pControlPoints;
00184 
00185     };
00186 
00188 
00190 
00192 
00193   }
00194 
00195 }
00196 
00197 #endif