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

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        **
        ** This file is part of the documentation of the Qt Toolkit.
        **
        ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
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    ** information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
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        #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();

        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