Qwt User's Guide 6.3.0

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qwt_plot_glcanvas.h
1/******************************************************************************
2 * Qwt Widget Library
3 * Copyright (C) 1997 Josef Wilgen
4 * Copyright (C) 2002 Uwe Rathmann
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the Qwt License, Version 1.0
8 *****************************************************************************/
9
10#ifndef QWT_PLOT_GLCANVAS_H
11#define QWT_PLOT_GLCANVAS_H
12
13#include "qwt_global.h"
14#include "qwt_plot_abstract_canvas.h"
15
16#include <qgl.h>
17
18 class QwtPlot;
19
45 class QWT_EXPORT QwtPlotGLCanvas : public QGLWidget, public QwtPlotAbstractGLCanvas
46{
47 Q_OBJECT
48
49 Q_PROPERTY( QFrame::Shadow frameShadow READ frameShadow WRITE setFrameShadow )
50 Q_PROPERTY( QFrame::Shape frameShape READ frameShape WRITE setFrameShape )
51 Q_PROPERTY( int lineWidth READ lineWidth WRITE setLineWidth )
52 Q_PROPERTY( int midLineWidth READ midLineWidth WRITE setMidLineWidth )
53 Q_PROPERTY( int frameWidth READ frameWidth )
54 Q_PROPERTY( QRect frameRect READ frameRect DESIGNABLE false )
55
56 Q_PROPERTY( double borderRadius READ borderRadius WRITE setBorderRadius )
57
58 public:
59 explicit QwtPlotGLCanvas( QwtPlot* = NULL );
60 explicit QwtPlotGLCanvas( const QGLFormat&, QwtPlot* = NULL );
61 virtual ~QwtPlotGLCanvas();
62
63 Q_INVOKABLE virtual void invalidateBackingStore() QWT_OVERRIDE;
64 Q_INVOKABLE QPainterPath borderPath( const QRect& ) const;
65
66 virtual bool event( QEvent* ) QWT_OVERRIDE;
67
68 public Q_SLOTS:
69 void replot();
70
71 protected:
72 virtual void paintEvent( QPaintEvent* ) QWT_OVERRIDE;
73
74 virtual void initializeGL() QWT_OVERRIDE;
75 virtual void paintGL() QWT_OVERRIDE;
76 virtual void resizeGL( int width, int height ) QWT_OVERRIDE;
77
78 private:
79 void init();
80 virtual void clearBackingStore() QWT_OVERRIDE;
81
82 class PrivateData;
83 PrivateData* m_data;
84};
85
86#endif
QwtPlotAbstractGLCanvas
Base class of QwtPlotOpenGLCanvas and QwtPlotGLCanvas.
Definition qwt_plot_abstract_canvas.h:88
QwtPlotAbstractGLCanvas::invalidateBackingStore
virtual void invalidateBackingStore()=0
Invalidate the internal backing store.
QwtPlotAbstractGLCanvas::replot
void replot()
Definition qwt_plot_abstract_canvas.cpp:1093
QwtPlotGLCanvas
An alternative canvas for a QwtPlot derived from QGLWidget.
Definition qwt_plot_glcanvas.h:46
QwtPlot
A 2-D plotting widget.
Definition qwt_plot.h:79