/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/freestyle/intern/stroke/PSStrokeRenderer.cpp
 *  \ingroup freestyle
 *  \brief Class to define the Postscript rendering of a stroke
 *  \author Stephane Grabli
 *  \date 10/26/2004
 */

#include "Canvas.h"
#include "PSStrokeRenderer.h"

namespace Freestyle {

PSStrokeRenderer::PSStrokeRenderer(const char *iFileName) : StrokeRenderer()
{
	if (!iFileName)
		iFileName = "freestyle.ps";
	// open the stream:
	_ofstream.open(iFileName, ios::out);
	if (!_ofstream.is_open()) {
		cerr << "couldn't open the output file " << iFileName << endl;
	}
	_ofstream << "%!PS-Adobe-2.0 EPSF-2.0" << endl;
	_ofstream << "%%Creator: Freestyle (http://artis.imag.fr/Software/Freestyle)" << endl;
	_ofstream << "%%BoundingBox: " << 0 << " "<< 0 << " " << Canvas::getInstance()->width() << " " <<
	             Canvas::getInstance()->height() << endl;
	_ofstream << "%%EndComments" << endl;
}

PSStrokeRenderer::~PSStrokeRenderer()
{
	Close();
}

void PSStrokeRenderer::RenderStrokeRep(StrokeRep *iStrokeRep) const
{
	RenderStrokeRepBasic(iStrokeRep);
}

void PSStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const
{
	vector<Strip*>& strips = iStrokeRep->getStrips();
	Strip::vertex_container::iterator v[3];
	StrokeVertexRep *svRep[3];
	Vec3r color[3];
	for (vector<Strip*>::iterator s = strips.begin(), send = strips.end(); s != send; ++s) {
		Strip::vertex_container& vertices = (*s)->vertices();
		v[0] = vertices.begin();
		v[1] = v[0];
		++(v[1]);
		v[2] = v[1];
		++(v[2]);

		while (v[2] != vertices.end()) {
			svRep[0] = *(v[0]);
			svRep[1] = *(v[1]);
			svRep[2] = *(v[2]);

			color[0] = svRep[0]->color();
			//color[1] = svRep[1]->color();
			//color[2] = svRep[2]->color();

			_ofstream << "newpath" << endl;
			_ofstream << (color[0])[0] << " " << (color[0])[1] << " " << (color[0])[2] << " setrgbcolor" <<endl;
			_ofstream << svRep[0]->point2d()[0] << " " <<svRep[0]->point2d()[1] << " moveto" << endl;
			_ofstream << svRep[1]->point2d()[0] << " " <<svRep[1]->point2d()[1] << " lineto" << endl;
			_ofstream << svRep[2]->point2d()[0] << " " <<svRep[2]->point2d()[1] << " lineto" << endl;
			_ofstream << "closepath" << endl;
			_ofstream << "fill" << endl;

			++v[0];
			++v[1];
			++v[2];
		}
	}
}

void PSStrokeRenderer::Close()
{
	if (_ofstream.is_open())
		_ofstream.close();
}

} /* namespace Freestyle */