Qwt Polar User's Guide
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qwt_polar_point.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_POINT_H
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#define QWT_POLAR_POINT_H 1
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#include "qwt_polar_global.h"
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#include "qwt_double_rect.h"
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class
QWT_POLAR_EXPORT
QwtPolarPoint
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{
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public
:
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QwtPolarPoint
();
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QwtPolarPoint
(
double
azimuth,
double
radius);
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QwtPolarPoint
(
const
QwtPolarPoint
&);
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QwtPolarPoint
(
const
QwtDoublePoint &);
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void
setPoint(
const
QwtDoublePoint &);
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QwtDoublePoint toPoint()
const
;
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bool
isValid()
const
;
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bool
isNull()
const
;
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double
radius()
const
;
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double
azimuth()
const
;
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double
&rRadius();
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double
&rAzimuth();
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void
setRadius(
double
);
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void
setAzimuth(
double
);
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bool
operator==(
const
QwtPolarPoint
&)
const
;
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bool
operator!=(
const
QwtPolarPoint
&)
const
;
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QwtPolarPoint
normalized()
const
;
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private
:
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double
d_azimuth;
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double
d_radius;
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};
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inline
QwtPolarPoint::QwtPolarPoint
():
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d_azimuth(0.0),
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d_radius(0.0)
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{
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}
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inline
QwtPolarPoint::QwtPolarPoint
(
double
azimuth,
double
radius):
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d_azimuth(azimuth),
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d_radius(radius)
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{
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}
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inline
QwtPolarPoint::QwtPolarPoint
(
const
QwtPolarPoint
&other):
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d_azimuth(other.d_azimuth),
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d_radius(other.d_radius)
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{
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}
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inline
bool
QwtPolarPoint::isValid
()
const
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{
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return
d_radius >= 0.0;
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}
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inline
bool
QwtPolarPoint::isNull
()
const
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{
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return
d_radius == 0.0;
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}
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inline
double
QwtPolarPoint::radius
()
const
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{
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return
d_radius;
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}
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inline
double
QwtPolarPoint::azimuth
()
const
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{
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return
d_azimuth;
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}
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inline
double
&
QwtPolarPoint::rRadius
()
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{
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return
d_radius;
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}
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inline
double
&
QwtPolarPoint::rAzimuth
()
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{
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return
d_azimuth;
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}
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inline
void
QwtPolarPoint::setRadius
(
double
radius)
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{
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d_radius =
radius
;
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}
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inline
void
QwtPolarPoint::setAzimuth
(
double
azimuth)
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{
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d_azimuth =
azimuth
;
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}
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#endif // QWT_POLAR_POINT_H
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