TransferFunctionTexture.h

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//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __TRANSFERFUNCTIONTEXTURE_H__
#define __TRANSFERFUNCTIONTEXTURE_H__
 
#include <H3D/X3DTexture2DNode.h>
#include <H3D/H3DFunctionNode.h>
 
namespace H3D {
  class H3DAPI_API TransferFunctionTexture : public X3DTexture2DNode {
  public:
    
   typedef H3D::DependentSFNode< 
                         FieldRef< H3DFunctionNode, 
                                   H3D::Field,
                                   &H3DFunctionNode::functionChanged > >
   SFFunctionNode;
 
    class H3DAPI_API SFImage: 
      public H3D::TypedField< H3D::X3DTexture2DNode::SFImage,
                   H3D::Types< SFFunctionNode, SFFunctionNode, 
                   SFFunctionNode, SFFunctionNode > > {
      virtual void update();
    };
 
    TransferFunctionTexture( 
                 Inst< DisplayList    > _displayList   = 0,
                 Inst< SFNode         > _metadata      = 0,
                 Inst< SFBool         >  _repeatS      = 0,
                 Inst< SFBool         >  _repeatT      = 0,
                 Inst< SFBool         >  _scaleToP2    = 0,
                 Inst< SFImage        > _image         = 0,
                 Inst< SFTextureProperties > _textureProperties = 0,
                 Inst< SFFunctionNode > _redFunction   = 0,
                 Inst< SFFunctionNode > _greenFunction = 0,
                 Inst< SFFunctionNode > _blueFunction  = 0,
                 Inst< SFFunctionNode > _alphaFunction = 0 );
 
    H3DUniquePtr< SFFunctionNode > redFunction; 
 
    H3DUniquePtr< SFFunctionNode > greenFunction;
 
    H3DUniquePtr< SFFunctionNode > blueFunction; 
 
    H3DUniquePtr< SFFunctionNode > alphaFunction;
 
  static H3DNodeDatabase database;
 
  };
}
 
#endif