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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SCRIBBLEAREA_H
#define SCRIBBLEAREA_H
#include <QColor>
#include <QImage>
#include <QPoint>
#include <QWidget>
//! [0]
class ScribbleArea : public QWidget
{
Q_OBJECT
public:
ScribbleArea(QWidget *parent = 0);
bool openImage(const QString &fileName);
bool saveImage(const QString &fileName, const char *fileFormat);
void setPenColor(const QColor &newColor);
void setPenWidth(int newWidth);
bool isModified() const { return modified; }
QColor penColor() const { return myPenColor; }
int penWidth() const { return myPenWidth; }
public slots:
void clearImage();
void print();
protected:
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
void paintEvent(QPaintEvent *event);
void resizeEvent(QResizeEvent *event);
private:
void drawLineTo(const QPoint &endPoint);
void resizeImage(QImage *image, const QSize &newSize);
bool modified;
bool scribbling;
int myPenWidth;
QColor myPenColor;
QImage image;
QPoint lastPoint;
};
//! [0]
#endif
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