//===========================================================================
// Copyright (C) 1998, 2000-2007, 2010, 2011, 2012 SINTEF ICT, Applied
// Mathematics, Norway.
//
// This file is part of GoTools
//
// This program 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 version 2 of the License. 
//
// This program 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 this program; if not, see <http://www.gnu.org/licenses>
//
// Contact information: E-mail: tor.dokken@sintef.no                      
// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
//
// Other licenses are also available for this software, notably licenses
// for:
// - Building commercial software.                                        
// - Building software whose source code you wish to keep private.        
//===========================================================================

#ifndef _LINECLOUDTESSELATOR_H
#define _LINECLOUDTESSELATOR_H


#include "GoTools/tesselator/Tesselator.h"
#include "GoTools/geometry/LineCloud.h"

namespace Go
{

/** Tesselate line cloud. Preparation for visualization
 */
class GO_API LineCloudTesselator : public Tesselator
{
public:
  /// Constructor
    LineCloudTesselator(const Go::LineCloud& lc)
	: orig_cloud_(lc), render_cloud_(lc), scale_(1.0)
    {}
  /// Destructor
    virtual ~LineCloudTesselator();
  
    /// Perform tesselation
    virtual void tesselate();

    /// Fetch result
    const Go::LineCloud& getRenderCloud()
    {
	return render_cloud_;
    }

    /// The difference between the given line cload and the tesselated version
    /// is the scale. Set scaling factor.
    void setScale(double scale)
    {
	if (scale != scale_) {
	    scale = scale_;
	    tesselate();
	}
    }
    /// Fetch scaling factor.
    double getScale()
    {
	return scale_;
    }

private:
    const Go::LineCloud& orig_cloud_;
    Go::LineCloud render_cloud_;
    double scale_;
};

} // namespace Go



#endif // _LINECLOUDTESSELATOR_H

