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QwtScaleDiv
Langue: en
Version: 121670 (mandriva - 01/05/08)
Section: 3 (Bibliothèques de fonctions)
Sommaire
- NAME
- SYNOPSIS
- Detailed Description
- Constructor & Destructor Documentation
- Member Function Documentation
- double QwtScaleDiv::hBound () const [inline]
- void QwtScaleDiv::invalidate ()
- void QwtScaleDiv::invert ()
- bool QwtScaleDiv::isValid () const
- double QwtScaleDiv::lBound () const [inline]
- int QwtScaleDiv::operator!= (const QwtScaleDiv & s) const
- int QwtScaleDiv::operator== (const QwtScaleDiv & other) const
- double QwtScaleDiv::range () const [inline]
- const QwtValueList & QwtScaleDiv::ticks (int type) const
- Author
NAME
QwtScaleDiv -SYNOPSIS
Detailed Description
A class representing a scale division.
A scale division consists of its limits and 3 list of tick values qualified as major, medium and minor ticks.
In most cases scale divisions are calculated by a QwtScaleEngine.
See also:
- QwtScaleEngine::subDivideInto, QwtScaleEngine::subDivide
Definition at line 29 of file qwt_scale_div.h.
Public Types
enum TickType { NoTick = -1, MinorTick, MediumTick, MajorTick, NTickTypes }
Public Member Functions
QwtScaleDiv ()
QwtScaleDiv (const QwtDoubleInterval &, QwtValueList[NTickTypes])
QwtScaleDiv (double lBound, double rBound, QwtValueList[NTickTypes])
int operator== (const QwtScaleDiv &s) const
int operator!= (const QwtScaleDiv &s) const
double lBound () const
double hBound () const
double range () const
bool contains (double v) const
const QwtValueList & ticks (int type) const
void invalidate ()
bool isValid () const
void invert ()
Constructor & Destructor Documentation
QwtScaleDiv::QwtScaleDiv () [explicit]
Construct an invalid QwtScaleDiv instance.
Definition at line 15 of file qwt_scale_div.cpp.
QwtScaleDiv::QwtScaleDiv (const QwtDoubleInterval & interval, QwtValueList ticks[NTickTypes]) [explicit]
Construct QwtScaleDiv instance.
Parameters:
- interval Interval
ticks List of major, medium and minor ticks
Definition at line 28 of file qwt_scale_div.cpp.
References ticks().
QwtScaleDiv::QwtScaleDiv (double lBound, double hBound, QwtValueList ticks[NTickTypes]) [explicit]
Construct QwtScaleDiv instance.
Parameters:
- lBound First interval limit
hBound Second interval limit
ticks List of major, medium and minor ticks
Definition at line 46 of file qwt_scale_div.cpp.
References ticks().
Member Function Documentation
double QwtScaleDiv::hBound () const [inline]
Returns:
- right bound
See also:
- QwtScaleDiv::lBound
Definition at line 86 of file qwt_scale_div.h.
Referenced by QwtPlot::canvasMap(), QwtPlotPanner::moveCanvas(), QwtPlotZoomer::rescale(), and QwtAbstractScaleDraw::setScaleDiv().
void QwtScaleDiv::invalidate ()
Invalidate the scale division.
Definition at line 89 of file qwt_scale_div.cpp.
void QwtScaleDiv::invert ()
Invert the scale divison.
Definition at line 118 of file qwt_scale_div.cpp.
References ticks().
Referenced by QwtLog10ScaleEngine::divideScale().
bool QwtScaleDiv::isValid () const
Check if the scale division is valid.
Definition at line 101 of file qwt_scale_div.cpp.
double QwtScaleDiv::lBound () const [inline]
Returns:
- left bound
See also:
- QwtScaleDiv::hBound
Definition at line 77 of file qwt_scale_div.h.
Referenced by QwtPlot::canvasMap(), QwtPlotPanner::moveCanvas(), QwtPlotZoomer::rescale(), QwtPlotMagnifier::rescale(), QwtPlotPicker::scaleRect(), and QwtAbstractScaleDraw::setScaleDiv().
int QwtScaleDiv::operator!= (const QwtScaleDiv & s) const
Inequality.
Returns:
- true if this instance is not equal to s
Definition at line 83 of file qwt_scale_div.cpp.
int QwtScaleDiv::operator== (const QwtScaleDiv & other) const
Equality operator.
Returns:
- true if this instance is equal to other
Definition at line 61 of file qwt_scale_div.cpp.
References d_hBound, d_isValid, d_lBound, and d_ticks.
double QwtScaleDiv::range () const [inline]
Returns:
- hBound() - lBound()
Definition at line 94 of file qwt_scale_div.h.
Referenced by QwtPlotPicker::scaleRect().
const QwtValueList & QwtScaleDiv::ticks (int type) const
Return a list of ticks
Parameters:
- type MinorTick, MediumTick or MajorTick
Definition at line 139 of file qwt_scale_div.cpp.
Referenced by QwtRoundScaleDraw::extent(), QwtScaleDraw::getBorderDistHint(), invert(), QwtScaleDraw::maxLabelHeight(), QwtScaleDraw::maxLabelWidth(), QwtScaleDraw::minLabelDist(), QwtScaleDraw::minLength(), QwtScaleDiv(), and QwtPlot::sizeHint().
Author
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