Qwt User's Guide
6.0.2
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qwt_symbol.h
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/* -*- 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_SYMBOL_H
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#define QWT_SYMBOL_H
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#include "qwt_global.h"
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#include <QPolygonF>
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class
QPainter;
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class
QRect;
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class
QSize;
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class
QBrush;
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class
QPen;
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class
QColor;
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class
QPointF;
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class
QWT_EXPORT
QwtSymbol
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{
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public
:
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enum
Style
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{
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NoSymbol = -1,
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Ellipse
,
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Rect
,
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Diamond
,
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Triangle
,
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DTriangle
,
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UTriangle
,
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LTriangle
,
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RTriangle
,
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Cross
,
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XCross
,
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HLine
,
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VLine
,
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Star1
,
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Star2
,
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Hexagon
,
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UserStyle = 1000
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};
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public
:
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QwtSymbol
( Style = NoSymbol );
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QwtSymbol
( Style,
const
QBrush &,
const
QPen &,
const
QSize & );
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QwtSymbol
(
const
QwtSymbol
& );
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virtual
~
QwtSymbol
();
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QwtSymbol
&operator=(
const
QwtSymbol
& );
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bool
operator==(
const
QwtSymbol
& )
const
;
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bool
operator!=(
const
QwtSymbol
& )
const
;
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void
setSize(
const
QSize & );
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void
setSize(
int
width,
int
height = -1 );
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const
QSize& size()
const
;
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virtual
void
setColor(
const
QColor & );
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void
setBrush(
const
QBrush& b );
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const
QBrush& brush()
const
;
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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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void
drawSymbol( QPainter *,
const
QPointF & )
const
;
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void
drawSymbols( QPainter *,
const
QPolygonF & )
const
;
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virtual
QSize boundingSize()
const
;
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protected
:
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virtual
void
drawSymbols( QPainter *,
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const
QPointF *,
int
numPoints )
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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inline
void
QwtSymbol::drawSymbol
(
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QPainter *painter,
const
QPointF &pos )
const
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{
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drawSymbols
( painter, &pos, 1 );
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}
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inline
void
QwtSymbol::drawSymbols
(
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QPainter *painter,
const
QPolygonF &points )
const
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{
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drawSymbols
( painter, points.data(), points.size() );
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}
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#endif
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