renderarea.h

qt-x11-opensource-src-4.1.4.tar.gz源码

/****************************************************************************
**
** Copyright (C) 2005-2006 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
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** If you are unsure which license is appropriate for your use, please
** review the following information:
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** sales department at [e-mail].
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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#ifndef RENDERAREA_H
#define RENDERAREA_H

#include <QBrush>
#include <QPen>
#include <QPixmap>
#include <QWidget>

class RenderArea : public QWidget
{
    Q_OBJECT

public:
    enum Shape { Line, Points, Polyline, Polygon, Rect, RoundRect, Ellipse, Arc,
                 Chord, Pie, Path, Text, Pixmap };

    RenderArea(QWidget *parent = 0);

    QSize minimumSizeHint() const;
    QSize sizeHint() const;

public slots:
    void setShape(Shape shape);
    void setPen(const QPen &pen);
    void setBrush(const QBrush &brush);
    void setAntialiased(bool antialiased);
    void setTransformed(bool transformed);

protected:
    void paintEvent(QPaintEvent *event);

private:
    Shape shape;
    QPen pen;
    QBrush brush;
    bool antialiased;
    bool transformed;
    QPixmap pixmap;
};

#endif