00001
00002
00014 #ifndef _QtViewWidget_H_
00015 #define _QtViewWidget_H_
00016
00017 #include "QtViewImp.h"
00018
00019 #include <qpixmap.h>
00020 #include <qwidget.h>
00021
00022 class Action;
00023 class QPaintEvent;
00024
00036 class MDL_QTHIPPOPLOT_API QtViewWidget : public QtViewImp, public QWidget
00037 {
00039 QtViewWidget ( const QtViewWidget & );
00040
00042 int toCanvasX ( double dx ) const;
00043
00045 int toCanvasY ( double dy ) const;
00046
00052 void transformAndFill ( QPointArray & array,
00053 const std::vector < double > & x,
00054 const std::vector < double > & y,
00055 int (QtViewWidget::* xfunc ) ( double ) const,
00056 int (QtViewWidget::* yfunc ) ( double ) const );
00057
00060 void drawMethod ( const std::vector< double > & x,
00061 const std::vector< double > & y,
00062 int opt1,
00063 int opt2 );
00064
00071 void drawViewMethod ( const std::vector< double > & x,
00072 const std::vector< double > & y,
00073 int opt1,
00074 int opt2 );
00075
00076 QPixmap offscr;
00077 int double_buffer;
00078
00079 public:
00080
00083 QtViewWidget ( QWidget * parent = 0,
00084 const char * name = 0,
00085 Qt::WFlags wflags = 0 );
00086
00088 virtual ~QtViewWidget ();
00089
00096 void setPlotter ( PlotterBase * );
00097
00099 virtual QSize sizeHint () const;
00100
00103 virtual void draw ( QPainter & );
00104
00106 virtual void paintEvent ( QPaintEvent * );
00107
00108 virtual void update ( const Observable * );
00109
00111 virtual HippoRectangle getDrawRect () const;
00112
00114 void setDrawRect ( const QRect & rect );
00115
00117 virtual void setDrawRect ( float x, float y, float width, float height );
00118
00120 virtual void initPlot ( double aspect );
00121
00123 virtual void endPlot ();
00124
00126 int toViewX ( double datX ) const;
00127
00129 int toViewY ( double datY ) const;
00130
00131 virtual void fillPickedPoint ( double x, double y,
00132 std::vector < double > & picked ) const;
00133
00134 virtual void setDoubleBuffering( unsigned dblbuf);
00135
00140 virtual void mousePressEvent ( QMouseEvent * e );
00141
00142 };
00143
00144 #endif // _QtViewWidget_H_
