grid.h

/***************************************************************************
**                                                                        **
**  GridView, a simple GridView made with Qt4                             **
**  Copyright (C) 2013 Sacha Schutz                                       **
**                                                                        **
**  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 3 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, see http://www.gnu.org/licenses/.   **
**                                                                        **
****************************************************************************
**           Author : Sacha Schutz                                        **
**           Website: http://www.labsquare.org                            **
**           Email  : sacha@labsquare.org                                 **
**           Date   : 12.03.12                                            **
****************************************************************************/

#ifndef GRIDVIEW_H
#define GRIDVIEW_H

#include <QtGui>
#include <QWidget>
#include <QScrollArea>
#include <QVector>

class GridWidget;

class GridWidget : public QWidget
{
    Q_OBJECT
public:

    explicit GridWidget(int rowCount = 100, int columnCount =100,QWidget *parent = 0);

    GridWidget(QWidget *parent);

    void setGridSize(int rowCount, int columnCount);

    void switchOn(int x,int y, const QColor& color);

    QColor getCellColor(int x, int y) ;


    void switchOff(int x, int y);


    int getGridColumns() ;

    int getGridRows() ;

    void clear();

    void setCellSize(int size);

    void setTool(QString tool);

    void setFront(QString front);

    void setBack(QString back);

    void setToolSize(int size);

    void identifyTool(QString tool, int x, int y);

    void Dot(int x, int y, QColor colorSelected);

    void RowMajorFill(int x, int y, QColor colorClicked, QColor toolColor);

    void ColMajorFill(int x, int y, QColor colorClicked, QColor toolColor);

    void DiagonalLeft(int x, int y, QColor colorClicked, QColor toolColor);

    void DiagonalRight(int x, int y, QColor colorClicked, QColor toolColor);

    void square(int x, int y, QColor toolColor, int toolSize);

    void triangle(int x, int y, QColor toolColor, int toolSize);

    void circle(int x, int y, QColor toolColor, int toolSize);

    void undo();


    void redo();

protected:

    void drawGrid(QPaintDevice * device);

    virtual void paintEvent(QPaintEvent *);

    virtual void mousePressEvent(QMouseEvent *);

signals:

    void cellClicked(QPoint pos);

    void canUndo(bool can);

    void canRedo(bool can);

private:

    int mCellSize; 
    int mRowCount; 
    int mColumnCount; 
    QPixmap mGridPix; 
    QHash<int, QColor > mColors; 
    QString Tool; 
    int ToolSize; 
    QColor frontColor; 
    QColor backColor; 
    QColor background; 
    QVector < QHash<int, QColor > > oldStates; 
    QVector < QHash<int, QColor > > newStates; 
};
#endif // GRIDVIEW_H