X3DTextureTransformNode.h

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//    Copyright 2004, 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 __X3DTEXTURETRANSFORMNODE_H__
#define __X3DTEXTURETRANSFORMNODE_H__

#include "X3DAppearanceChildNode.h"
namespace H3D {
  class H3DAPI_API X3DTextureTransformNode : public X3DAppearanceChildNode {
  public:
    
    class H3DAPI_API DisplayList: public H3DDisplayListObject::DisplayList {
      H3D_API_EXCEPTION( InvalidCallToCallList );
      
      virtual void callList( bool build_list ) {
        stringstream s;
        s << "Cannot call callList() on the DisplayList of an "
          << "X3DTextureTransformNode since the rendering requires "
          << "specification of which texture units to render for. Use "
          << "render() or renderForMultipleTexture() instead.";
        throw InvalidCallToCallList( s.str(), H3D_FULL_LOCATION );
      }
    };

    X3DTextureTransformNode( Inst< DisplayList > _displayList = 0,
                             Inst< SFNode>  _metadata = 0 );

    virtual void renderForTextureUnits( unsigned int start_unit,
                                        unsigned int end_unit );

    virtual void renderForTextureUnit( unsigned int texture_unit );

    virtual void preRender();

    virtual void postRender();

    virtual string defaultXMLContainerField() {
      return "textureTransform";
    }
  };
}

#endif

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