canvasWidget.h

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#ifndef BALL_VIEW_WIDGETS_CANVASWIDGET_H
#define BALL_VIEW_WIDGETS_CANVASWIDGET_H

#ifndef BALL_COMMON_GLOBAL_H
# include <BALL/COMMON/global.h>
#endif

#include <QCanvasWidget>
#include <QtGui/qpixmap.h>
#include <QtGui/qpainter.h>
#include <vector>

namespace BALL
{
  namespace VIEW
  {      
    class BALL_VIEW_EXPORT CanvasWidget
      : public QCanvasView
    {
      Q_OBJECT    

      public:
      
      class BALL_VIEW_EXPORT PixmapItem
        : public QCanvasRectangle
      {
        public:
          
        PixmapItem(QCanvas* canvas, const QPixmap& pixmap);
        
        PixmapItem(const PixmapItem& pixitem);

        virtual ~PixmapItem();
  
        QPixmap& getPixmap();

        protected:

        void drawShape(QPainter& p);

        QPixmap pixmap_;
  
      }; //end of class PixmapItem

      CanvasWidget (QWidget *parent  = 0, 
                    const char* name = 0, 
                    Qt::WFlags f         = 0);
                

      //Destructor
      virtual ~CanvasWidget();  
      
      void showObjects()   
        throw();
      
    public slots:

      virtual void zoomIn()
        throw();

      virtual void zoomOut()
        throw();

      virtual void zoom(float xfactor,float yfactor)
        throw();

      virtual void zoomToFit()
        throw();

    protected:  

      //Copyconstructor doesn't work because of the QT private copy constructors
      CanvasWidget(const CanvasWidget& /*cw*/)
        throw()
        : QCanvasView() {};

      QCanvas canvas_;
      std::vector<QCanvasItem*> objects_; //e.g PixItem, Polygonzuege
      
    };//end of class CanvasWidget

  }
}

#endif