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

#ifndef __FREESTYLE_Q_INFORMATION_MAP_H__
#define __FREESTYLE_Q_INFORMATION_MAP_H__

/** \file blender/freestyle/intern/stroke/QInformationMap.h
 *  \ingroup freestyle
 *  \brief Class defining an information map using a QImage
 *  \author Stephane Grabli
 *  \date 04/01/2003
 */

#include <qimage.h>

#include "InformationMap.h"

namespace Freestyle {

class QInformationMap : public InformationMap
{
private:
	QImage _map; // the image or a piece of image

public:
	QInformationMap();
	QInformationMap(const QImage&);
	QInformationMap(const QInformationMap&);
	QInformationMap& operator=(const QInformationMap&);

	//float getSmoothedPixel(int x, int y, float sigma = 0.2f);1
	virtual float getMean(int x, int y);
	virtual void retrieveMeanAndVariance(int x, int y, float &oMean, float &oVariance);

	inline const QImage& map() const
	{
		return _map;
	}

	inline void setMap(const QImage& iMap, float iw, float ih)
	{
		_map = iMap.copy();
		_w = iw;
		_h = ih;
	}

protected:
	virtual float computeGaussian(int x, int y);
};

} /* namespace Freestyle */

#endif // __FREESTYLE_Q_INFORMATION_MAP_H__