renderarea.h Example File
painting/painterpaths/renderarea.h
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    ** Copyright (C) 2005-2006 Trolltech AS. All rights reserved.
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    ** This file is part of the documentation of the Qt Toolkit.
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    ** and appearing in the file LICENSE.GPL included in the packaging of
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    #ifndef RENDERAREA_H
    #define RENDERAREA_H
    #include <QPainterPath>
    #include <QWidget>
    class RenderArea : public QWidget
    {
        Q_OBJECT
    public:
        RenderArea(const QPainterPath &path, QWidget *parent = 0);
        QSize minimumSizeHint() const;
        QSize sizeHint() const;
    public slots:
        void setFillRule(Qt::FillRule rule);
        void setFillGradient(const QColor &color1, const QColor &color2);
        void setPenWidth(int width);
        void setPenColor(const QColor &color);
        void setRotationAngle(int degrees);
    protected:
        void paintEvent(QPaintEvent *event);
    private:
        QPainterPath path;
        QColor fillColor1;
        QColor fillColor2;
        int penWidth;
        QColor penColor;
        int rotationAngle;
    };
    #endif