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

     /****************************************************************************
     **
     ** 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
     **
     ** 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
     ** sales department at sales@trolltech.com.
     **
     ** 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