Qwt Polar User's Guide
1.1.0-rc1
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src
qwt_polar_magnifier.h
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* QwtPolar Widget Library
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* Copyright (C) 2008 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_POLAR_MAGNIFIER_H
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#define QWT_POLAR_MAGNIFIER_H 1
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#include "qwt_polar_global.h"
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#include "qwt_magnifier.h"
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class
QwtPolarPlot
;
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class
QwtPolarCanvas
;
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class
QWT_POLAR_EXPORT
QwtPolarMagnifier
:
public
QwtMagnifier
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{
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Q_OBJECT
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public
:
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explicit
QwtPolarMagnifier
(
QwtPolarCanvas
* );
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virtual
~
QwtPolarMagnifier
();
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void
setUnzoomKey(
int
key,
int
modifiers );
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void
getUnzoomKey(
int
&key,
int
&modifiers )
const
;
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QwtPolarPlot
*plot();
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const
QwtPolarPlot
*plot()
const
;
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QwtPolarCanvas
*canvas();
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const
QwtPolarCanvas
*canvas()
const
;
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protected
:
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virtual
void
rescale(
double
factor );
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void
unzoom();
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virtual
void
widgetKeyPressEvent( QKeyEvent * );
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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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