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blend.h

00001 // blend.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_BLEND_H
00024 #define NOISE_MODULE_BLEND_H
00025 
00026 #include "modulebase.h"
00027 
00028 namespace noise
00029 {
00030 
00031   namespace module
00032   {
00033 
00036 
00039 
00043 
00070     class Blend: public Module
00071     {
00072 
00073       public:
00074 
00076         Blend ();
00077 
00093         const Module& GetControlModule () const
00094         {
00095           if (m_pSourceModule == NULL || m_pSourceModule[2] == NULL) {
00096             throw noise::ExceptionNoModule ();
00097           }
00098           return *(m_pSourceModule[2]);
00099         }
00100 
00101         virtual int GetSourceModuleCount () const
00102         {
00103           return 3;
00104         }
00105 
00106         virtual double GetValue (double x, double y, double z) const;
00107 
00126         void SetControlModule (const Module& controlModule)
00127         {
00128           assert (m_pSourceModule != NULL);
00129           m_pSourceModule[2] = &controlModule;
00130         }
00131 
00132     };
00133 
00135 
00137 
00139 
00140   }
00141 
00142 }
00143 
00144 #endif