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# svgview.h Example File
painting/svgviewer/svgview.h

        /****************************************************************************
        **
        ** Copyright (C) 2005-2006 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation 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:
        ** http://www.trolltech.com/products/qt/licensing.html or contact the
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        **
        ** 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 SVGVIEW_H
        #define SVGVIEW_H

        #include <QWidget>
        #include <QImage>
        #ifndef QT_NO_OPENGL
        #include <QGLWidget>
        #endif

        class QPaintEvent;
        class QSvgRenderer;
        class QWheelEvent;

        class SvgRasterView : public QWidget
        {
            Q_OBJECT
        public:
            SvgRasterView(const QString &file, QWidget *parent=0);

            virtual QSize sizeHint() const;

        protected slots:
            void poluteImage();
        protected:
            virtual void paintEvent(QPaintEvent *event);
            virtual void wheelEvent(QWheelEvent *event);

        private:
            QSvgRenderer *doc;
            QImage buffer;
            bool m_dirty;
        };

        class SvgNativeView : public QWidget
        {
            Q_OBJECT
        public:
            SvgNativeView(const QString &file, QWidget *parent=0);

            virtual QSize sizeHint() const;
        protected:
            virtual void paintEvent(QPaintEvent *event);
            virtual void wheelEvent(QWheelEvent *event);

        private:
            QSvgRenderer *doc;
        };

        #ifndef QT_NO_OPENGL
        class SvgGLView : public QGLWidget
        {
            Q_OBJECT
        public:
            SvgGLView(const QString &file, QWidget *parent=0);

            virtual QSize sizeHint() const;
        protected:
            virtual void paintEvent(QPaintEvent *event);
            virtual void wheelEvent(QWheelEvent *event);

        private:
            QSvgRenderer *doc;
        };
        #endif

        #endif