qwtplot.3

linux下qt的第三方的一个类

.SS "void QwtPlot::enableOutline (bool tf)"
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Enables or disables outline drawing. 
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\fBWarning:\fP
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Outlining functionality is obsolete: use \fBQwtPlotPicker\fP or \fBQwtPlotZoomer\fP.
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When the outline feature is enabled, a shape will be drawn in the plotting region when the user presses or drags the mouse. It can be used to implement crosshairs, mark a selected region, etc. 
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\fBParameters:\fP
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\fItf\fP \fCTRUE\fP (enabled) or \fCFALSE\fP (disabled) 
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\fBWarning:\fP
.RS 4
An outline style has to be specified. 
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\fBSee also:\fP
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\fBsetOutlineStyle()\fP 
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Definition at line 814 of file qwt_plot.cpp.
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References QwtPlotCanvas::enableOutline().
.SS "void QwtPlot::enableXBottomAxis (bool b)"
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Designer API for enableAxis. 
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Definition at line 148 of file qwt_plot.h.
.SS "void QwtPlot::enableXTopAxis (bool b)"
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Designer API for enableAxis. 
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Definition at line 152 of file qwt_plot.h.
.SS "void QwtPlot::enableYLeftAxis (bool b)"
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Designer API for enableAxis. 
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Definition at line 160 of file qwt_plot.h.
.SS "void QwtPlot::enableYRightAxis (bool b)"
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Designer API for enableAxis. 
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Definition at line 156 of file qwt_plot.h.
.SS "bool QwtPlot::event (QEvent * e)\fC [virtual]\fP"
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Adds handling of QEvent::LayoutHint. 
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Definition at line 147 of file qwt_plot.cpp.
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References updateLayout().
.SS "const \fBQwtPlotGrid\fP & QwtPlot::grid () const"
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Return the canvas grid. 
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Definition at line 22 of file qwt_plot_grid.cpp.
.SS "\fBQwtPlotGrid\fP & QwtPlot::grid ()"
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Return the canvas grid. 
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Definition at line 16 of file qwt_plot_grid.cpp.
.SS "const QPen & QwtPlot::gridMajPen () const"
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\fBReturns:\fP
.RS 4
pen of the major grid 
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\fBSee also:\fP
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\fBQwtPlot::setGridMajPen\fP, \fBQwtPlot::gridMinPen\fP 
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Definition at line 181 of file qwt_plot_grid.cpp.
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References QwtGrid::majPen().
.SS "const QPen & QwtPlot::gridMinPen () const"
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\fBReturns:\fP
.RS 4
pen of the minor grid 
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\fBSee also:\fP
.RS 4
\fBQwtPlot::setGridMinPen\fP, \fBQwtPlot::gridMajPen\fP 
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Definition at line 163 of file qwt_plot_grid.cpp.
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References QwtGrid::minPen().
.SS "int QwtPlot::gridXAxis () const"
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\fBReturns:\fP
.RS 4
x-axis where the grid is attached to. 
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\fBSee also:\fP
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\fBQwtPlot::setGridXAxis\fP 
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Definition at line 114 of file qwt_plot_grid.cpp.
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References QwtPlotMappedItem::xAxis().
.SS "bool QwtPlot::gridXEnabled () const"
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\fBReturns:\fP
.RS 4
TRUE if the X major grid is enabled (visible), FALSE otherwise. 
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Definition at line 68 of file qwt_plot_grid.cpp.
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References QwtGrid::xEnabled().
.SS "bool QwtPlot::gridXMinEnabled () const"
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\fBReturns:\fP
.RS 4
TRUE if the X minor grid is enabled (visible), FALSE otherwise. 
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Definition at line 76 of file qwt_plot_grid.cpp.
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References QwtGrid::xMinEnabled().
.SS "int QwtPlot::gridYAxis () const"
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\fBReturns:\fP
.RS 4
y-axis where the grid is attached to. 
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\fBSee also:\fP
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\fBQwtPlot::setGridYAxis\fP 
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Definition at line 136 of file qwt_plot_grid.cpp.
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References QwtPlotMappedItem::yAxis().
.SS "bool QwtPlot::gridYEnabled () const"
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\fBReturns:\fP
.RS 4
TRUE if the Y major grid is enabled (visible), FALSE otherwise. 
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Definition at line 84 of file qwt_plot_grid.cpp.
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References QwtGrid::yEnabled().
.SS "bool QwtPlot::gridYMinEnabled () const"
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\fBReturns:\fP
.RS 4
TRUE if the X minor grid is enabled (visible), FALSE otherwise. 
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Definition at line 92 of file qwt_plot_grid.cpp.
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References QwtGrid::yMinEnabled().
.SS "long QwtPlot::insertCurve (const QString & title, int xAxis = \fCxBottom\fP, int yAxis = \fCyLeft\fP)"
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Insert a new curve and return a unique key. 
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\fBParameters:\fP
.RS 4
\fItitle\fP title of the new curve 
.br
\fIxAxis\fP x axis to be attached. Defaults to xBottom. 
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\fIyAxis\fP y axis to be attached. Defaults to yLeft. 
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\fBReturns:\fP
.RS 4
The key of the new curve or 0 if no new key could be found or if no new curve could be allocated. 
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Definition at line 276 of file qwt_plot_curve.cpp.
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References curve(), insertCurve(), QwtPlotMappedItem::setAxis(), and QwtCurve::setTitle().
.SS "long QwtPlot::insertCurve (\fBQwtPlotCurve\fP * curve)"
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Insert a curve. 
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\fBParameters:\fP
.RS 4
\fIcurve\fP Curve 
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\fBReturns:\fP
.RS 4
The key of the new curve or 0 if no new key could be found or if no new curve could be allocated. 
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Definition at line 247 of file qwt_plot_curve.cpp.
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References insertLegendItem(), QwtPlotItem::reparent(), and updateLayout().
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Referenced by insertCurve().
.SS "void QwtPlot::insertLegendItem (long curveKey)\fC [protected, virtual]\fP"
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Insert a \fBQwtLegendItem\fP for a specified curve. 
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In case of \fBlegend()\fP->isReadOnly the item will be a \fBQwtLegendLabel\fP, otherwise a \fBQwtLegendButton\fP.
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\fBParameters:\fP
.RS 4
\fIcurveKey\fP curve key 
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\fBSee also:\fP
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\fBQwtLegendButton\fP, \fBQwtLegendItem\fP, \fBQwtLegend\fP, \fBupdateLegendItem()\fP, \fBprintLegendItem()\fP 
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Definition at line 644 of file qwt_plot_curve.cpp.
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References QwtLegend::contentsWidget(), QwtLegend::insertItem(), QwtLegend::isReadOnly(), lgdClicked(), and updateLegendItem().
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Referenced by enableLegend(), and insertCurve().
.SS "long QwtPlot::insertLineMarker (const QString & label, int axis)"
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This function is a shortcut to insert a horizontal or vertical line marker, dependent on the specified axis. 
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\fBParameters:\fP
.RS 4
\fIlabel\fP Label 
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\fIaxis\fP Axis to be attached 
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\fBReturns:\fP
.RS 4
New key if the marker could be inserted, 0 if not. 
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Definition at line 113 of file qwt_plot_marker.cpp.
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References insertMarker(), marker(), QwtPlotMappedItem::setAxis(), QwtMarker::setLabel(), QwtMarker::setLabelAlignment(), and QwtMarker::setLineStyle().
.SS "long QwtPlot::insertMarker (const QString & label = \fCQString::null\fP, int xAxis = \fCxBottom\fP, int yAxis = \fCyLeft\fP)"
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Insert a new marker. 
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\fBParameters:\fP
.RS 4
\fIlabel\fP Label 
.br
\fIxAxis\fP X axis to be attached 
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\fIyAxis\fP Y axis to be attached 
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\fBReturns:\fP
.RS 4
New key if the marker could be inserted, 0 if not. 
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Definition at line 156 of file qwt_plot_marker.cpp.
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References insertMarker(), marker(), QwtPlotMappedItem::setAxis(), and QwtMarker::setLabel().
.SS "long QwtPlot::insertMarker (\fBQwtPlotMarker\fP * marker)"
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Insert a new marker. 
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\fBParameters:\fP
.RS 4
\fImarker\fP Marker 
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\fBReturns:\fP
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New key if the marker could be inserted, 0 if not. 
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Definition at line 177 of file qwt_plot_marker.cpp.
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References autoRefresh(), and QwtPlotItem::reparent().
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Referenced by insertLineMarker(), and insertMarker().
.SS "double QwtPlot::invTransform (int axis, int pos) const"
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Transform the x or y coordinate of a position in the drawing region into a value. 
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\fBParameters:\fP
.RS 4
\fIaxis\fP axis index 
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\fIpos\fP position 
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\fBWarning:\fP
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The position can be an x or a y coordinate, depending on the specified axis. 
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Definition at line 268 of file qwt_plot_axis.cpp.
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References axisValid(), canvasMap(), and QwtDiMap::invTransform().
.SS "const \fBQwtLegend\fP * QwtPlot::legend () const"
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\fBReturns:\fP
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the plot's legend 
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\fBSee also:\fP
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\fBinsertLegendItem()\fP, \fBupdateLegendItem()\fP, \fBprintLegendItem()\fP 
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Definition at line 282 of file qwt_plot.cpp.
.SS "\fBQwtLegend\fP * QwtPlot::legend ()"
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\fBReturns:\fP
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the plot's legend 
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\fBSee also:\fP
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\fBinsertLegendItem()\fP, \fBupdateLegendItem()\fP, \fBprintLegendItem()\fP 
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Definition at line 273 of file qwt_plot.cpp.
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Referenced by QwtPlotLayout::activate(), and QwtPlotLayout::minimumSizeHint().
.SS "void QwtPlot::legendClicked (long key)\fC [signal]\fP"
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A signal which is emitted when \fBlegend()\fP->isReadOnly() == FALSE and the user has clicked on a legend item,
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\fBParameters:\fP
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\fIkey\fP Key of the curve corresponding to the selected legend item
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\fBNote:\fP
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To enable clicks \fBlegend()\fP->setReadOnly(FALSE) has to be set before the items have been inserted.
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\fBSee also:\fP
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\fBQwtLegend::setReadOnly\fP, \fBQwtLegend::isReadOnly\fP 
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Referenced by lgdClicked().
.SS "bool QwtPlot::legendEnabled (long curveKey) const"
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\fBParameters:\fP
.RS 4
\fIcurveKey\fP Curve key. 
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\fBReturns:\fP
.RS 4
\fCTRUE\fP if legend is enabled, otherwise \fCFALSE\fP 
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Definition at line 1037 of file qwt_plot.cpp.
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References QwtLegend::findItem().
.SS "const QFont QwtPlot::legendFont () const"
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\fBReturns:\fP
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the font of the legend items 
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Definition at line 1180 of file qwt_plot.cpp.
.SS "int QwtPlot::legendFrameStyle () const"
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\fBReturns:\fP
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the frame style of the legend 
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Definition at line 1172 of file qwt_plot.cpp.
.SS "int QwtPlot::legendPos () const"
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\fBReturns:\fP
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position of the legend 
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\fBSee also:\fP
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\fBQwtPlot::setLegendPosition()\fP, \fBQwtPlotLayout::legendPosition()\fP 
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\fBWarning:\fP
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This function is deprecated. Use \fBQwtPlot::legendPosition()\fP. 
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Definition at line 1141 of file qwt_plot.cpp.
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References QwtPlotLayout::legendPosition().
.SS "\fBQwtPlot::Position\fP QwtPlot::legendPosition () const"
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\fBReturns:\fP
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position of the legend 
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\fBSee also:\fP
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\fBQwtPlot::setLegendPosition()\fP, \fBQwtPlotLayout::legendPosition()\fP 
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Definition at line 1105 of file qwt_plot.cpp.
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References QwtPlotLayout::legendPosition(), and Position.
.SS "void QwtPlot::lgdClicked ()\fC [protected, virtual, slot]\fP"
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Called internally when the legend has been clicked on. Emits a \fBlegendClicked()\fP signal. Definition at line 921 of file qwt_plot.cpp.
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References QwtLegend::key(), and legendClicked().
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Referenced by insertLegendItem().
.SS "int QwtPlot::margin () const"
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\fBReturns:\fP
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margin 
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\fBSee also:\fP
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\fBQwtPlot::setMargin()\fP, \fBQwtPlotLayout::margin()\fP, \fBQwtPlot::plotLayout()\fP 
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Definition at line 742 of file qwt_plot.cpp.
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References QwtPlotLayout::margin().
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Referenced by canvasMap(), and print().
.SS "const \fBQwtPlotMarker\fP * QwtPlot::marker (long key) const"
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Find and return an existing marker. 
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\fBParameters:\fP
.RS 4
\fIkey\fP Key of the marker 
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\fBReturns:\fP
.RS 4
The marker for the given key or 0 if key is not valid. 
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Definition at line 211 of file qwt_plot_marker.cpp.
.SS "\fBQwtPlotMarker\fP * QwtPlot::marker (long key)"
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Find and return an existing marker. 
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\fBParameters:\fP
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\fIkey\fP Key of the marker 
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\fBReturns:\fP
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The marker for the given key or 0 if key is not valid. 
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Definition at line 200 of file qwt_plot_marker.cpp.
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Referenced by drawCanvasItems(), insertLineMarker(), and insertMarker().
.SS "QFont QwtPlot::markerFont (long key) const"
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\fBReturns:\fP
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the font of a marker 
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Definition at line 235 of file qwt_plot_marker.cpp.
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References QwtMarker::font().
.SS "QwtPlotMarkerIterator QwtPlot::markerIterator () const"
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Return an iterator for the plot curves. 
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Definition at line 17 of file qwt_plot_marker.cpp.
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Referenced by closestMarker(), drawCanvasItems(), and markerKeys().
.SS "QwtArray< long > QwtPlot::markerKeys () const"
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\fBReturns:\fP
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an array containing the keys of all markers 
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Definition at line 219 of file qwt_plot_marker.cpp.
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References markerIterator().
.SS "const QString QwtPlot::markerLabel (long key) const"
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\fBReturns:\fP
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a marker's label 
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\fBParameters:\fP
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\fIkey\fP Marker key 
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Definition at line 248 of file qwt_plot_marker.cpp.
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References QwtMarker::label().
.SS "int QwtPlot::markerLabelAlign (long key) const"
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\fBReturns:\fP
.RS 4
a marker's label alignment 
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\fBParameters:\fP
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\fIkey\fP Marker key 
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Definition at line 261 of file qwt_plot_marker.cpp.
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References QwtMarker::labelAlignment().
.SS "QPen QwtPlot::markerLabelPen (long key) const"
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\fBReturns:\fP
.RS 4
the pen of a marker's label 
.RE
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