qwtplot.3

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.RI "virtual void \fBdrawContents\fP (QPainter *p)"
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.RI "virtual void \fBupdateTabOrder\fP ()"
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.RI "void \fBupdateAxes\fP ()"
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.RI "void \fBupdateLayout\fP ()"
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.RI "virtual void \fBresizeEvent\fP (QResizeEvent *e)"
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.RI "virtual void \fBinsertLegendItem\fP (long curveKey)"
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.RI "virtual void \fBupdateLegendItem\fP (long curveKey)"
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.RI "virtual void \fBprintLegendItem\fP (QPainter *, const  QWidget *, const  QRect &) const "
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.RI "void \fBupdateLegendItem\fP (const  \fBQwtPlotCurve\fP *, QwtLegendItem *)"
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.RI "virtual void \fBprintTitle\fP (QPainter *, const  QRect &) const "
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.RI "virtual void \fBprintScale\fP (QPainter *, int axis, int startDist, int endDist, int baseDist, const  QRect &) const "
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.RI "virtual void \fBprintCanvas\fP (QPainter *, const  QRect &, const  QwtArray< \fBQwtDiMap\fP > &, const  \fBQwtPlotPrintFilter\fP &) const "
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.RI "virtual void \fBprintLegend\fP (QPainter *, const  QRect &) const "
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.in -1c
.SS "Static Protected Member Functions"

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.RI "bool \fBaxisValid\fP (int axis)"
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.SS "Friends"

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.RI "class \fBQwtPlotItem\fP"
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.RI "class \fBQwtPlotCanvas\fP"
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.RI "class \fBQwtPlotPrintFilter\fP"
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.in -1c
.SH "Member Enumeration Documentation"
.PP 
.SS "enum \fBQwtPlot::Axis\fP"
.PP
Axis index. 
.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtPlot::QwtPlot (QWidget * parent = 0, const char * name = 0)"
.PP
Constructor. \fBParameters:\fP
.RS 4
\fIparent\fP Parent widget 
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\fIname\fP Widget name 
.RE
.PP

.SS "QwtPlot::QwtPlot (const QString & title, QWidget * parent = 0, const char * name = 0)"
.PP
Constructor. \fBParameters:\fP
.RS 4
\fItitle\fP Title text 
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\fIparent\fP Parent widget 
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\fIname\fP Widget name 
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.PP

.SS "QwtPlot::~\fBQwtPlot\fP ()\fC [virtual]\fP"
.PP
Destructor. 
.SH "Member Function Documentation"
.PP 
.SS "bool QwtPlot::autoLegend () const"
.PP
\fBReturns:\fP
.RS 4
TRUE if the autoLegend option is set. 
.RE
.PP

.SS "void QwtPlot::autoRefresh ()\fC [protected]\fP"
.PP
Replots the plot if \fBQwtPlot::autoReplot()\fP is \fCTRUE\fP. 
.SS "bool QwtPlot::autoReplot () const"
.PP
\fBReturns:\fP
.RS 4
TRUE if the autoReplot option is set. 
.RE
.PP

.SS "const  \fBQwtScale\fP * QwtPlot::axis (int axis) const"
.PP
\fBReturns:\fP
.RS 4
specified axis, or \fCNULL\fP if the axis is not enabled. 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
.PP

.SS "bool QwtPlot::axisAutoScale (int axis) const"
.PP
\fBReturns:\fP
.RS 4
\fCTRUE\fP if autoscaling is enabled 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
.PP

.SS "bool QwtPlot::axisEnabled (int axis) const"
.PP
\fBReturns:\fP
.RS 4
\fCTRUE\fP if a specified axis is enabled 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
.PP

.SS "QFont QwtPlot::axisFont (int axis) const"
.PP
\fBReturns:\fP
.RS 4
the font of the scale labels for a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
.PP

.SS "void QwtPlot::axisLabelFormat (int axis, char & f, int & prec, int & fieldwidth) const"
.PP
\fBReturns:\fP
.RS 4
the number format for the major scale labels of a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
.PP
\fBReturn values:\fP
.RS 4
\fIf\fP format character 
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\fIprec\fP precision 
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\fIfieldwidth\fP minimum fieldwidth 
.RE
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\fBSee also:\fP
.RS 4
QString::sprintf in the Qt manual 
.RE
.PP

.SS "bool QwtPlot::axisMargins (int axis, double & mlo, double & mhi) const"
.PP
Determine the scale margins for a specified axis. \fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
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\fBReturn values:\fP
.RS 4
\fImlo\fP Margin at the lower limit 
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\fImhi\fP Margin at the upper limit 
.RE
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\fBSee also:\fP
.RS 4
QwtAutoScale::margins() 
.RE
.PP

.SS "int QwtPlot::axisMaxMajor (int axis) const"
.PP
\fBReturns:\fP
.RS 4
the maximum number of major ticks for a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
.PP

.SS "int QwtPlot::axisMaxMinor (int axis) const"
.PP
\fBReturns:\fP
.RS 4
the maximum number of minor ticks for a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
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.SS "int QwtPlot::axisOptions (int axis) const"
.PP
\fBReturns:\fP
.RS 4
the autoscaling options of a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
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\fBSee also:\fP
.RS 4
\fBQwtAutoScale::options\fP 
.RE
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.SS "double QwtPlot::axisReference (int axis) const"
.PP
The reference value is needed if the autoscaling options QwtAutoScale::Symmetric or QwtAutoScale::IncludeRef are set. 
.PP
\fBReturns:\fP
.RS 4
the reference value of an axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
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\fBSee also:\fP
.RS 4
\fBQwtAutoScale\fP, \fBQwtPlot::setAxisOptions\fP 
.RE
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.SS "const  \fBQwtScaleDiv\fP * QwtPlot::axisScale (int axis) const"
.PP
\fBReturns:\fP
.RS 4
the scale division of a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
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\fBSee also:\fP
.RS 4
\fBQwtScaleDiv\fP 
.RE
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.SS "const  \fBQwtScaleDraw\fP * QwtPlot::axisScaleDraw (int axis) const"
.PP
\fBReturns:\fP
.RS 4
the scale draw of a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
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\fBReturns:\fP
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specified scaleDraw for axis, or NULL if axis is invalid. 
.RE
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\fBSee also:\fP
.RS 4
\fBQwtScaleDraw\fP 
.RE
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.SS "QString QwtPlot::axisTitle (int axis) const"
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\fBReturns:\fP
.RS 4
the title of a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
.PP

.SS "int QwtPlot::axisTitleAlignment (int axis) const"
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\fBReturns:\fP
.RS 4
the title alignment of a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
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\fBSee also:\fP
.RS 4
\fBQwtPlot::setAxisTitleAlignment\fP 
.RE
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.SS "QFont QwtPlot::axisTitleFont (int axis) const"
.PP
\fBReturns:\fP
.RS 4
the title font of a specified axis 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
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.SS "bool QwtPlot::axisValid (int axis)\fC [static, protected]\fP"
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\fBReturns:\fP
.RS 4
\fCTRUE\fP if the specified axis exists, otherwise \fCFALSE\fP 
.RE
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
.RE
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.SS "const  \fBQwtPlotCanvas\fP * QwtPlot::canvas () const"
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\fBReturns:\fP
.RS 4
the plot's canvas 
.RE
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.SS "\fBQwtPlotCanvas\fP * QwtPlot::canvas ()"
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\fBReturns:\fP
.RS 4
the plot's canvas 
.RE
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.SS "const  QColor & QwtPlot::canvasBackground () const"
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Nothing else than: \fBcanvas()\fP->palette().color( QPalette::Normal, QColorGroup::Background);
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\fBReturns:\fP
.RS 4
the background color of the plotting area. 
.RE
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.SS "int QwtPlot::canvasLineWidth () const"
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Nothing else than: \fBcanvas()\fP->lineWidth(), left for compatibility only. 
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\fBReturns:\fP
.RS 4
the border width of the plotting area 
.RE
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.SS "\fBQwtDiMap\fP QwtPlot::canvasMap (int axis) const"
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\fBParameters:\fP
.RS 4
\fIaxis\fP Axis 
.RE
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\fBReturns:\fP
.RS 4
Map for the axis on the canvas. With this map pixel coordinates can translated to plot coordinates and vice versa. 
.RE
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\fBSee also:\fP
.RS 4
\fBQwtDiMap\fP, \fBQwtPlot::transform\fP, \fBQwtPlot::invTransform\fP 
.RE
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.SS "void QwtPlot::changeAxisOptions (int axis, int opt, bool value)"
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Change specified autoscaling options of an axis. \fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
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\fIopt\fP Set of or'ed options 
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\fIvalue\fP Value to be assigned to all the specified options (TRUE or FALSE) 
.RE
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\fBSee also:\fP
.RS 4
\fBQwtAutoScale::changeOptions\fP 
.RE
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.SS "void QwtPlot::clear ()"
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Remove all curves and markers. 
.SS "long QwtPlot::closestCurve (int xpos, int ypos, int & dist, double & xval, double & yval, int & index) const"
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Find the curve which is closest to a point in the plotting area.
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Determines the position and index of the closest data point. 
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\fBParameters:\fP
.RS 4
\fIxpos\fP 
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\fIypos\fP coordinates of a point in the plotting region 
.RE
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\fBReturn values:\fP
.RS 4
\fIxval\fP .br
\fIyval\fP values of the closest point in the curve's data array 
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\fIdist\fP -- distance in points between (xpos, ypos) and the closest data point 
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\fIindex\fP -- index of the closest point in the curve's data array 
.RE
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\fBReturns:\fP
.RS 4
Key of the closest curve or 0 if no curve was found. 
.RE
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.SS "long QwtPlot::closestCurve (int xpos, int ypos, int & dist) const"
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Find the curve which is closest to a specified point in the plotting area. 
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\fBParameters:\fP
.RS 4
\fIxpos\fP 
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\fIypos\fP position in the plotting region 
.RE
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\fBReturn values:\fP
.RS 4
\fIdist\fP distance in points between (xpos, ypos) and the closest data point 
.RE
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\fBReturns:\fP
.RS 4
Key of the closest curve or 0 if no curve was found. 
.RE
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.SS "long QwtPlot::closestMarker (int xpos, int ypos, int & dist) const"
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Find the marker which is closest to a given point. \fBParameters:\fP
.RS 4
\fIxpos\fP .br
\fIypos\fP coordinates of a point in the plotting region 
.RE
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\fBReturn values:\fP
.RS 4
\fIdist\fP Distance in points between the marker and the specified point. 
.RE
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\fBReturns:\fP
.RS 4
Key of the closest marker or 0 if no marker was found 
.RE
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.SS "const  \fBQwtPlotCurve\fP * QwtPlot::curve (long key) const"
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Find and return an existing curve. \fBParameters:\fP
.RS 4
\fIkey\fP Key of the curve 
.RE
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\fBReturns:\fP
.RS 4
The curve for the given key or 0 if key is not valid. 
.RE
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.SS "\fBQwtPlotCurve\fP * QwtPlot::curve (long key)"
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Find and return an existing curve. \fBParameters:\fP
.RS 4
\fIkey\fP Key of the curve 
.RE
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\fBReturns:\fP
.RS 4
The curve for the given key or 0 if key is not valid. 
.RE
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.SS "double QwtPlot::curveBaseline (long key) const"
.PP
Return the baseline offset for a specified curve. \fBParameters:\fP
.RS 4
\fIkey\fP curve key 
.RE
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\fBReturns:\fP
.RS 4
Baseline offset of the specified curve, or 0 if the curve doesn't exist 
.RE
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\fBSee also:\fP
.RS 4
\fBsetCurveBaseline()\fP 
.RE
.PP

.SS "QBrush QwtPlot::curveBrush (long key) const"
.PP
\fBReturns:\fP
.RS 4
the pen of the curve indexed by key 
.RE
.PP
\fBParameters:\fP
.RS 4
\fIkey\fP Key of the curve 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtPlot::setCurveBrush()\fP, \fBQwtCurve::setBrush()\fP 
.RE
.PP

.SS "QwtPlotCurveIterator QwtPlot::curveIterator () const"
.PP
Return an iterator for the plot curves. 
.SS "QwtArray< long > QwtPlot::curveKeys () const"
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\fBReturns:\fP
.RS 4
an array containing the keys of all curves 
.RE
.PP

.SS "int QwtPlot::curveOptions (long key) const"
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\fBReturns:\fP
.RS 4
the drawing options of the curve indexed by key 
.RE
.PP
\fBParameters:\fP
.RS 4
\fIkey\fP Key of the curve 
.RE
.PP

.SS "QPen QwtPlot::curvePen (long key) const"
.PP
\fBReturns:\fP
.RS 4
the brush of the curve indexed by key 
.RE
.PP
\fBParameters:\fP
.RS 4
\fIkey\fP Key of the curve 
.RE