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87 lines
2.2 KiB
87 lines
2.2 KiB
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** |
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* Qwt Widget Library |
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* Copyright (C) 1997 Josef Wilgen |
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* Copyright (C) 2002 Uwe Rathmann |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the Qwt License, Version 1.0 |
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*****************************************************************************/ |
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#ifndef QWT_INTERVAL_SYMBOL_H |
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#define QWT_INTERVAL_SYMBOL_H |
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#include "qwt_global.h" |
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#include <qpen.h> |
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#include <qsize.h> |
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class QPainter; |
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class QRect; |
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class QPointF; |
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/*! |
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\brief A drawing primitive for displaying an interval like an error bar |
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\sa QwtPlotIntervalCurve |
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*/ |
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class QWT_EXPORT QwtIntervalSymbol |
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{ |
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public: |
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//! Symbol style |
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enum Style |
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{ |
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//! No Style. The symbol cannot be drawn. |
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NoSymbol = -1, |
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/*! |
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The symbol displays a line with caps at the beginning/end. |
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The size of the caps depends on the symbol width(). |
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*/ |
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Bar, |
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/*! |
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The symbol displays a plain rectangle using pen() and brush(). |
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The size of the rectangle depends on the translated interval and |
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the width(), |
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*/ |
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Box, |
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/*! |
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Styles >= UserSymbol are reserved for derived |
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classes of QwtIntervalSymbol that overload draw() with |
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additional application specific symbol types. |
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*/ |
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UserSymbol = 1000 |
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}; |
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public: |
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QwtIntervalSymbol( Style = NoSymbol ); |
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QwtIntervalSymbol( const QwtIntervalSymbol & ); |
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virtual ~QwtIntervalSymbol(); |
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QwtIntervalSymbol &operator=( const QwtIntervalSymbol & ); |
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bool operator==( const QwtIntervalSymbol & ) const; |
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bool operator!=( const QwtIntervalSymbol & ) const; |
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void setWidth( int ); |
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int width() const; |
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void setBrush( const QBrush& b ); |
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const QBrush& brush() const; |
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void setPen( const QColor &, qreal width = 0.0, Qt::PenStyle = Qt::SolidLine ); |
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void setPen( const QPen & ); |
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const QPen& pen() const; |
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void setStyle( Style ); |
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Style style() const; |
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virtual void draw( QPainter *, Qt::Orientation, |
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const QPointF& from, const QPointF& to ) const; |
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private: |
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class PrivateData; |
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PrivateData* d_data; |
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}; |
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#endif
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