/* === S Y N F I G ========================================================= */

/*!	\file centerlinevectorizer.h

**

**	$Id$

**

**	\legal

**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley

**

**	This package 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.

**

**	This package 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.

**	\endlegal

*/

/* ========================================================================= */

/* === S T A R T =========================================================== */

#ifndef __SYNFIG_STUDIO_CENTERLINEVECTORIZER_H

#define __SYNFIG_STUDIO_CENTERLINEVECTORIZER_H

/* === H E A D E R S ======================================================= */

#include "vectorizerparameters.h"

#include <etl handle=""></etl>

#include <synfig layer_bitmap.h="" layers=""></synfig>

#include <synfig vector.h=""></synfig>

#include <synfigapp uimanager.h=""></synfigapp>

/* === M A C R O S ========================================================= */

/* === T Y P E D E F S ===================================================== */

typedef etl::handle<synfig::layer_bitmap> Handle;</synfig::layer_bitmap>

/* === C L A S S E S & S T R U C T S ======================================= */

namespace studio {

//==============================

//    Core vectorizer class

//==============================

//! Contains specific vectorization methods and deals with partial progress

//! notifications (using Qt signals).

/*!VectorizerCore class is the lowest layer of a vectorization process, it

provides vectorization of a

single input raster image by calling the \b vectorize method.

It can also deal notifications about its progress status, and is receptive to

user cancels.

\sa VectorizerPopup, Vectorizer, VectorizerConfiguration classes.*/

class VectorizerCore

{

  int m_currPartial;

  int m_totalPartials;

  bool m_isCanceled;

public:

  VectorizerCore() : m_currPartial(0), m_isCanceled(false) {}

  ~VectorizerCore() {}

  //! Returns true if vectorization was aborted at user's request

  bool isCanceled() { return m_isCanceled; }

  /*!Calls the appropriate technique to convert \b image to vectors depending on c.*/

  std::vector< etl::handle<synfig::layer> > vectorize(const etl::handle<synfig::layer_bitmap> &image, const etl::handle<uiinterface> &ui_interface,const VectorizerConfiguration &c,const synfig::Gamma &gamma);</uiinterface></synfig::layer_bitmap></synfig::layer>

private:

  std::vector< etl::handle<synfig::layer> > centerlineVectorize(Handle &image, const CenterlineConfiguration &configuration, const synfig::Gamma &gamma);</synfig::layer>

};

}; // END of namespace studio

/* === E N D =============================================================== */

#endif