#ifndef TRIANGULATOR_H
#define TRIANGULATOR_H

/*!
**
** Copyright (c) 2009 by John W. Ratcliff mailto:jratcliffscarab@gmail.com
**
** Portions of this source has been released with the PhysXViewer application, as well as
** Rocket, CreateDynamics, ODF, and as a number of sample code snippets.
**
** If you find this code useful or you are feeling particularily generous I would
** ask that you please go to http://www.amillionpixels.us and make a donation
** to Troy DeMolay.
**
** DeMolay is a youth group for young men between the ages of 12 and 21.
** It teaches strong moral principles, as well as leadership skills and
** public speaking.  The donations page uses the 'pay for pixels' paradigm
** where, in this case, a pixel is only a single penny.  Donations can be
** made for as small as $4 or as high as a $100 block.  Each person who donates
** will get a link to their own site as well as acknowledgement on the
** donations blog located here http://www.amillionpixels.blogspot.com/
**
** If you wish to contact me you can use the following methods:
**
** Skype ID: jratcliff63367
** Yahoo: jratcliff63367
** AOL: jratcliff1961
** email: jratcliffscarab@gmail.com
**
**
** The MIT license:
**
** Permission is hereby granted, free of charge, to any person obtaining a copy
** of this software and associated documentation files (the "Software"), to deal
** in the Software without restriction, including without limitation the rights
** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
** copies of the Software, and to permit persons to whom the Software is furnished
** to do so, subject to the following conditions:
**
** The above copyright notice and this permission notice shall be included in all
** copies or substantial portions of the Software.

** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
** WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
** CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

*/

class Triangulator
{
public:
  virtual void           addPoint(double x,double y,double z) = 0; // add a point to the contour
  virtual void           addPoint(float x,float y,float z) = 0; // add a point to the contour

  virtual unsigned int * triangulate(unsigned int &tcount,double epsilon=0.00000000001) = 0; // triangulate using the provided epsilon

  virtual void           reset(void) = 0; // reset contour

  virtual void           getPoint(unsigned int index,float &x,float &y,float &z) const = 0; // retrieve one of the points in the contour.
  virtual void           getPoint(unsigned int index,double &x,double &y,double &z) const = 0; // retrieve one of the points in the contour.

protected:
  virtual ~Triangulator(void) { };
};

Triangulator * createTriangulator(void);
void           releaseTriangulator(Triangulator *t);

#endif