/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
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** modification, are permitted provided that the following conditions are
** met:
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**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
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****************************************************************************/

#ifndef PAINTAREA_H
#define PAINTAREA_H

#include <QColor>
#include <QImage>
#include <QPainterPath>
#include <QWidget>

class BrushInterface;

class PaintArea : public QWidget
{
    Q_OBJECT

public:
    PaintArea(QWidget *parent = 0);

    bool openImage(const QString &fileName);
    bool saveImage(const QString &fileName, const char *fileFormat);
    void setImage(const QImage &image);
    void insertShape(const QPainterPath &path);
    void setBrushColor(const QColor &color);
    void setBrushWidth(int width);
    void setBrush(BrushInterface *brushInterface, const QString &brush);

    QImage image() const { return theImage; }
    QColor brushColor() const { return color; }
    int brushWidth() const { return thickness; }
    QSize sizeHint() const;

protected:
    void paintEvent(QPaintEvent *event);
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);

private:
    void setupPainter(QPainter &painter);

    QImage theImage;
    QColor color;
    int thickness;

    BrushInterface *brushInterface;
    QString brush;
    QPoint lastPos;

    QPainterPath pendingPath;
};

#endif