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

/*!	\file centerlinevectorizer.cpp

**	\brief This is the entry point of centerline vectorization

**

**	$Id$

**

**	\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

*/

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

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

#ifdef USING_PCH

#	include "pch.h"

#else

#ifdef HAVE_CONFIG_H

#	include <config.h></config.h>

#endif

#include "centerlinevectorizer.h"

#include "polygonizerclasses.h"

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

#include <synfig debug="" log.h=""></synfig>

#endif

/* === U S I N G =========================================================== */

using namespace std;

using namespace etl;

using namespace synfig;

using namespace studio;

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

/* === G L O B A L S ======================================================= */

/* === P R O C E D U R E S ================================================= */

/* === M E T H O D S ======================================================= */

inline void deleteSkeletonList(SkeletonList *skeleton) {

  unsigned int i;

  for (i = 0; i < skeleton->size(); ++i) delete (*skeleton)[i];

  delete skeleton;

}

/* === E N T R Y P O I N T ================================================= */

//************************

//*    Vectorizer Main   *

//************************

// takes two arguments ( image layer handle, config )

std::vector< etl::handle<synfig::layer> > </synfig::layer>

VectorizerCore::centerlineVectorize(etl::handle<synfig::layer_bitmap> &image,const etl::handle<synfigapp::uiinterface> &ui_interface, </synfigapp::uiinterface></synfig::layer_bitmap>

const CenterlineConfiguration &configuration,const Gamma &gamma)

 {

  synfig::debug::Log::info("","Inside CenterlineVectorize");

  VectorizerCoreGlobals globals;

  globals.currConfig = &configuration;

  // step 2 

  // Extracts a polygonal, minimal yet faithful representation of image contours

  Contours polygons;

  studio::polygonize(image, polygons, globals);

  ui_interface->amount_complete(3,10);

  // step 3

  // The process of skeletonization reduces all objects in an image to lines, 

  //  without changing the essential structure of the image.

  SkeletonList *skeletons = studio::skeletonize(polygons,ui_interface, globals);

  ui_interface->amount_complete(6,10);

  // step 4

  // The raw skeleton data obtained from StraightSkeletonizer

  // class need to be grouped in joints and sequences before proceeding further

  studio::organizeGraphs(skeletons, globals);

  ui_interface->amount_complete(8,10);

  std::vector< etl::handle<synfig::layer> > sortibleResult;</synfig::layer>

  // step 5

  // Take samples of image colors to associate each sequence to its corresponding

  // palette color

  //studio::calculateSequenceColors(image, globals);  // Extract stroke colors here

  // step 6

  // Converts each forward or single Sequence of the image in its corresponding Stroke.

  studio::conversionToStrokes(sortibleResult, globals, image);

  ui_interface->amount_complete(9,10);

  deleteSkeletonList(skeletons);

  return sortibleResult;

}

std::vector< etl::handle<synfig::layer> > </synfig::layer>

VectorizerCore::vectorize(const etl::handle<synfig::layer_bitmap> &img,const etl::handle<synfigapp::uiinterface> &ui_interface, const VectorizerConfiguration &c, const Gamma &gamma) </synfigapp::uiinterface></synfig::layer_bitmap>

{

  std::vector< etl::handle<synfig::layer> > result;</synfig::layer>

  if (c.m_outline)

  {

    return result;

  }

  else 

  {

    Handle img2(img);

    result = centerlineVectorize(img2, ui_interface,static_cast<const &="" centerlineconfiguration="">(c), gamma);</const>

    ui_interface->amount_complete(10,10);

    return result;

  }

}