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# canvas.h Example File
graphicsview/portedcanvas/canvas.h

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     **
     ** This file is part of the documentation of the Qt Toolkit.
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    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
    ** included in the packaging of this file.  Alternatively you may (at
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     #ifndef EXAMPLE_H
     #define EXAMPLE_H

     #include <q3popupmenu.h>
     #include <q3mainwindow.h>
     #include <q3intdict.h>
     #include <QMouseEvent>
     #include <QGraphicsView>
     #include <QGraphicsScene>
     #include <QGraphicsItem>

     class BouncyLogo : public QGraphicsPixmapItem {
         void initSpeed();
     public:
         BouncyLogo();
         void advance(int);
         int type() const;

         QPainterPath shape() const;

         void initPos();
     private:
         qreal xvel;
         qreal yvel;
     };

     class FigureEditor : public QGraphicsView {
         Q_OBJECT

     public:
         FigureEditor(QGraphicsScene&, QWidget* parent=0, const char* name=0, Qt::WindowFlags f=0);
         void clear();

     signals:
         void status(const QString&);
     };

     class Main : public Q3MainWindow {
         Q_OBJECT

     public:
         Main(QGraphicsScene&, QWidget* parent=0, const char* name=0, Qt::WindowFlags f=0);
         ~Main();

     public slots:
         void help();

     private slots:
         void aboutQt();
         void newView();
         void clear();
         void init();

         void addSprite();
         void addCircle();
         void addHexagon();
         void addPolygon();
         void addSpline();
         void addText();
         void addLine();
         void addRectangle();
         void addMesh();
         void addLogo();
         void addButterfly();

         void enlarge();
         void shrink();
         void rotateClockwise();
         void rotateCounterClockwise();
         void zoomIn();
         void zoomOut();
         void mirror();
         void moveL();
         void moveR();
         void moveU();
         void moveD();

         void print();

     private:
         QGraphicsScene& canvas;
         FigureEditor *editor;

         Q3PopupMenu* options;
         QPrinter* printer;
         int dbf_id;
     };

     #endif