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

        /****************************************************************************
        **
        ** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
        **
        ** This file is part of the example classes of the Qt Toolkit.
        **
        ** Licensees holding valid Qt Preview licenses may use this file in
        ** accordance with the Qt Preview License Agreement provided with the
        ** Software.
        **
        ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
        ** information about Qt Commercial License Agreements.
        **
        ** Contact info@trolltech.com if any conditions of this licensing are
        ** not clear to you.
        **
        ** 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 printPdf();

        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