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

 /****************************************************************************
 **
 ** Copyright (C) 2005-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 **
 ** This file is part of the documentation of the Qt Toolkit.
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 ** Licensees holding a valid Qt License Agreement may use this file in
 ** accordance with the rights, responsibilities and obligations
 ** contained therein.  Please consult your licensing agreement or
 ** contact [email protected] if any conditions of this licensing
 ** agreement are not clear to you.
 **
 ** Further information about Qt licensing is available at:
 ** http://trolltech.com/products/appdev/licensing.
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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.
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 ****************************************************************************/

 #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);

     void setHighQualityAntialiasing(bool highQualityAntialiasing);

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

 private:
     QSvgRenderer *doc;

     bool highQualityAntialiasing;
 };
 #endif

 #endif