/***************************************************************************
 *   Copyright (C) 2008 by Oliver Groß                                     *
 *   z.o.gross@gmx.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 LIBQCROSS_CMONOPICTURE_H
#define LIBQCROSS_CMONOPICTURE_H

#include <QSize>
#include <QVector>
#include <QString>

class QImage;

namespace libqnono {
	class CNonogram;
	class CNonogramNumbers;
	
	class CNonogramNumbers {
	public:
		typedef QVector<quint16> v_num;
		typedef QVector<v_num> vv_num;
		
		CNonogramNumbers(const vv_num & rows, const vv_num & columns);
		CNonogramNumbers(const CNonogram & source);
		CNonogramNumbers(QSize size, bool **data);
		CNonogramNumbers(const QImage & image);
		
		void calcFromImage(QSize size, bool **data);
		
		bool readFromStream(QDataStream & stream);
		void writeToStream(QDataStream & stream);
		
		bool operator==(const CNonogramNumbers &other) const;
		
		inline const vv_num & rows() const { return m_rows; }
		inline const vv_num & columns() const { return m_columns; }
		
		inline QSize size() const { return QSize(m_columns.count(), m_rows.count()); }
		inline int width() const { return m_columns.count(); }
		inline int height() const { return m_rows.count(); }
		
		bool check(bool **data) const;
		bool check(const QImage & image) const;
		
	private:
		vv_num m_rows, m_columns;
	};
	

	class CNonogram {
	public:
		typedef QVector<quint16> NumbersVector;
		
		CNonogram();
		CNonogram(QSize size);
		CNonogram(QImage & image);
		CNonogram(QDataStream & stream);
		CNonogram(const CNonogram &other);
		~CNonogram();
		CNonogram& operator=(const CNonogram &other);
		
		void loadFromImage(QImage & image);
		void resize(QSize size);
		
		bool readFromStream(QDataStream & stream);
		void writeToStream(QDataStream & stream);
		
		inline QString name() const { return m_Name; }
		inline void setName(QString value) { m_Name = value; }
		
		inline quint16 timeout() const { return m_Timeout; }
		void setTimeout(quint16 value) { m_Timeout = value; }
		
		inline QSize size() const { return m_Size; }
		inline int width() const { return m_Size.width(); }
		inline int height() const { return m_Size.height(); }
		
		inline bool pixel(int x, int y) const { return m_Data[x][y]; }
		void setPixel(int x, int y, bool value);
		
		NumbersVector & rowNumbers(int index) const { return m_RowNumbers[index]; }
		NumbersVector & columnNumbers(int index) const { return m_ColumnNumbers[index]; }
		
		inline int maximumNumberCount() const { return m_MaximumNumberCount; }
		
		inline quint32 blackPixels() const { return m_BlackPixels; }
		
		void updateNumbers();
		
		void fill(bool value);
		
		bool isValid() const { return m_Data; }
		
	protected:
		QSize m_Size;
		
		bool ** m_Data;
		
		QString m_Name;
		quint16 m_Timeout;
		
		NumbersVector * m_RowNumbers;
		NumbersVector * m_ColumnNumbers;
		quint32 m_BlackPixels;
		int m_MaximumNumberCount;
		
		void cleanup();
		void init();
	};
	
	QDataStream & operator<<(QDataStream & stream, CNonogram & nonogram);
	QDataStream & operator>>(QDataStream & stream, CNonogram & nonogram);
}

#endif