qcross/libqnono/nonogramimage.h

/***************************************************************************
 *   Copyright (C) 2012 Stefan Bühler <stbuehler@web.de>                   *
 *                                                                         *
 *   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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef LIBQNONO_NONOGRAMIMAGE_H
#define LIBQNONO_NONOGRAMIMAGE_H

#include <QSize>
#include <QImage>

namespace libqnono {
	class NonogramMarker;
	
	class NonogramImageView {
	public:
		virtual bool pixel(int coord1, int coord2) const = 0;
		virtual bool & pixel(int coord1, int coord2) = 0;
	};
	
	class NonogramImage {
	public:
		NonogramImage();
		NonogramImage(QSize size);
		NonogramImage(const NonogramImage & other);
		NonogramImage(const QImage & image);
		~NonogramImage();
		NonogramImage& operator=(const NonogramImage & other);
		bool operator==(const NonogramImage & other) const;
		
		bool pixel(int x, int y) const { return m_data[y*m_size.width()+x]; }
		bool & pixel(int x, int y) { return m_data[y*m_size.width()+x]; }
		void setPixel(int x, int y, bool value) { m_data[y*m_size.width()+x] = value; }
		void fill(bool value);
		
		int blackPixels() const { return m_blackPixels; }
		
		QSize size() const { return m_size; }
		int width() const { return m_size.width(); }
		int height() const { return m_size.height(); }
		void resize(QSize size);
		
		NonogramImageView* viewRowColumn();
		NonogramImageView* viewColumnRow();
		
		bool readFromStream(QDataStream & stream);
		void writeToStream(QDataStream & stream) const;
		
		void load(const QImage & image);
		void load(const NonogramMarker & marker);
		
	private:
		QSize m_size;
		bool *m_data;
		int m_blackPixels;
	};
	
	QDataStream & operator<<(QDataStream & stream, const NonogramImage & image);
	QDataStream & operator>>(QDataStream & stream, NonogramImage & image);
}

#endif // LIBQNONO_NONOGRAMIMAGE_H