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# scribblearea.h Example File
widgets/scribble/scribblearea.h

     /****************************************************************************
     **
     ** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 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 GNU
     ** General Public Licensing requirements will be met:
     ** http://www.trolltech.com/products/qt/opensource.html
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
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     ** sales department at sales@trolltech.com.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #ifndef SCRIBBLEAREA_H
     #define SCRIBBLEAREA_H

     #include <QColor>
     #include <QImage>
     #include <QPoint>
     #include <QWidget>

     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;
     };

     #endif