enum Axis { yLeft, yRight, xBottom, xTop, axisCnt }

enum Position { Left = Qwt::Left, Right = Qwt::Right, Bottom = Qwt::Bottom, Top = Qwt::Top }

void clear ()

bool removeCurve (long key)

void removeCurves ()

bool removeMarker (long key)

void removeMarkers ()

virtual void replot ()

void plotMousePressed (const QMouseEvent &e)

void plotMouseReleased (const QMouseEvent &e)

void plotMouseMoved (const QMouseEvent &e)

void legendClicked (long key)

QwtPlot (QWidget *p=0, const char *name=0)

QwtPlot (const QString &title, QWidget *p=0, const char *name=0)

virtual ~QwtPlot ()

void enableXBottomAxis (bool b)

bool xBottomAxisEnabled () const

void enableXTopAxis (bool b)

bool xTopAxisEnabled () const

void enableYRightAxis (bool b)

bool yRightAxisEnabled () const

void enableYLeftAxis (bool b)

bool yLeftAxisEnabled () const

void setAutoReplot (bool tf=TRUE)

bool autoReplot () const

void print (QPaintDevice &p, const QwtPlotPrintFilter &=QwtPlotPrintFilter()) const

virtual void print (QPainter *, const QRect &rect, const QwtPlotPrintFilter &=QwtPlotPrintFilter()) const

void enableOutline (bool tf)

bool outlineEnabled () const

void setOutlineStyle (Qwt::Shape os)

Qwt::Shape outlineStyle () const

void setOutlinePen (const QPen &pn)

const QPen & outlinePen () const

QwtPlotLayout * plotLayout ()

const QwtPlotLayout * plotLayout () const

void setMargin (int margin)

int margin () const

void setTitle (const QString &t)

QString title () const

void setTitleFont (const QFont &f)

QFont titleFont () const

QLabel * titleLabel ()

const QLabel * titleLabel () const

QwtPlotCanvas * canvas ()

const QwtPlotCanvas * canvas () const

void setCanvasBackground (const QColor &c)

const QColor & canvasBackground () const

void setCanvasLineWidth (int w)

int canvasLineWidth () const

QwtPlotCurveIterator curveIterator () const

QwtPlotMarkerIterator markerIterator () const

QwtDiMap canvasMap (int axis) const

double invTransform (int axis, int pos) const

int transform (int axis, double value) const

long insertCurve (QwtPlotCurve *)

long insertCurve (const QString &title, int xAxis=xBottom, int yAxis=yLeft)

QwtPlotCurve * curve (long key)

const QwtPlotCurve * curve (long key) const

QwtArray< long > curveKeys () const

long closestCurve (int xpos, int ypos, int &dist) const

long closestCurve (int xpos, int ypos, int &dist, double &xval, double &yval, int &index) const

bool setCurveBaseline (long key, double ref)

double curveBaseline (long key) const

bool setCurveRawData (long key, const double *x, const double *y, int size)

bool setCurveData (long key, const double *x, const double *y, int size)

bool setCurveData (long key, const QwtArray< double > &x, const QwtArray< double > &y)

bool setCurveData (long key, const QwtArray< QwtDoublePoint > &data)

bool setCurveData (long key, const QwtData &data)

bool setCurveOptions (long key, int t)

int curveOptions (long key) const

bool setCurvePen (long key, const QPen &pen)

QPen curvePen (long key) const

bool setCurveBrush (long key, const QBrush &brush)

QBrush curveBrush (long key) const

bool setCurveSplineSize (long key, int s)

int curveSplineSize (long key) const

bool setCurveStyle (long key, int s, int options=0)

int curveStyle (long key) const

bool setCurveSymbol (long key, const QwtSymbol &s)

QwtSymbol curveSymbol (long key) const

bool setCurveTitle (long key, const QString &s)

QString curveTitle (long key) const

bool setCurveXAxis (long key, int axis)

int curveXAxis (long key) const

bool setCurveYAxis (long key, int axis)

int curveYAxis (long key) const

void drawCurve (long key, int from=0, int to=-1)

void enableGridX (bool tf=TRUE)

void enableGridXMin (bool tf=TRUE)

void enableGridY (bool tf=TRUE)

void enableGridYMin (bool tf=TRUE)

bool gridXEnabled () const

bool gridXMinEnabled () const

bool gridYEnabled () const

bool gridYMinEnabled () const

void setGridXAxis (int axis)

int gridXAxis () const

void setGridYAxis (int axis)

int gridYAxis () const

void setGridPen (const QPen &p)

void setGridMajPen (const QPen &p)

const QPen & gridMajPen () const

void setGridMinPen (const QPen &p)

const QPen & gridMinPen () const

QwtPlotGrid & grid ()

const QwtPlotGrid & grid () const

void setAxisAutoScale (int axis)

bool axisAutoScale (int axis) const

void enableAxis (int axis, bool tf=TRUE)

bool axisEnabled (int axis) const

void changeAxisOptions (int axis, int opt, bool value)

void setAxisOptions (int axis, int opt)

int axisOptions (int axis) const

void setAxisFont (int axis, const QFont &f)

QFont axisFont (int axis) const

void setAxisMargins (int axis, double mlo, double mhi)

bool axisMargins (int axis, double &mlo, double &mhi) const

void setAxisScale (int axis, double min, double max, double step=0)

void setAxisScaleDraw (int axis, QwtScaleDraw *)

const QwtScaleDiv * axisScale (int axis) const

const QwtScaleDraw * axisScaleDraw (int axis) const

const QwtScale * axis (int axis) const

void setAxisLabelFormat (int axis, char f, int prec, int fieldwidth=0)

void axisLabelFormat (int axis, char &f, int &prec, int &fieldwidth) const

void setAxisLabelAlignment (int axis, int alignment)

void setAxisLabelRotation (int axis, double rotation)

void setAxisTitle (int axis, const QString &t)

QString axisTitle (int axis) const

void setAxisTitleFont (int axis, const QFont &f)

QFont axisTitleFont (int axis) const

void setAxisTitleAlignment (int axis, int align)

int axisTitleAlignment (int axis) const

void setAxisMaxMinor (int axis, int maxMinor)

int axisMaxMajor (int axis) const

void setAxisMaxMajor (int axis, int maxMajor)

int axisMaxMinor (int axis) const

void setAxisReference (int axis, double value)

double axisReference (int axis) const

long insertMarker (QwtPlotMarker *)

long insertMarker (const QString &label=QString::null, int xAxis=xBottom, int yAxis=yLeft)

long insertLineMarker (const QString &label, int axis)

QwtPlotMarker * marker (long key)

const QwtPlotMarker * marker (long key) const

long closestMarker (int xpos, int ypos, int &dist) const

QwtArray< long > markerKeys () const

bool setMarkerXAxis (long key, int axis)

int markerXAxis (long key) const

bool setMarkerYAxis (long key, int axis)

int markerYAxis (long key) const

bool setMarkerPos (long key, double xval, double yVal)

bool setMarkerXPos (long key, double val)

bool setMarkerYPos (long key, double val)

void markerPos (long key, double &mx, double &my) const

bool setMarkerFont (long key, const QFont &f)

QFont markerFont (long key) const

bool setMarkerPen (long key, const QPen &p)

bool setMarkerLabel (long key, const QString &text, const QFont &font=QFont(), const QColor &color=QColor(), const QPen &pen=QPen(Qt::NoPen), const QBrush &brush=QBrush(Qt::NoBrush))

bool setMarkerLabelText (long key, const QString &text)

const QString markerLabel (long key) const

bool setMarkerLabelAlign (long key, int align)

int markerLabelAlign (long key) const

bool setMarkerLabelPen (long key, const QPen &p)

QPen markerLabelPen (long key) const

bool setMarkerLinePen (long key, const QPen &p)

QPen markerLinePen (long key) const

bool setMarkerLineStyle (long key, QwtMarker::LineStyle st)

QwtMarker::LineStyle markerLineStyle (long key) const

bool setMarkerSymbol (long key, const QwtSymbol &s)

QwtSymbol markerSymbol (long key) const

void setAutoLegend (bool enabled)

bool autoLegend () const

void enableLegend (bool tf, long curveKey=-1)

bool legendEnabled (long curveKey) const

void setLegendPosition (Position pos, double ratio)

void setLegendPosition (Position pos)

Position legendPosition () const

void setLegendPos (int pos, double ratio=0.0)

int legendPos () const

void setLegendFont (const QFont &f)

const QFont legendFont () const

void setLegendFrameStyle (int st)

int legendFrameStyle () const

QwtLegend * legend ()

const QwtLegend * legend () const

void setLegendDisplayPolicy (QwtLegend::LegendDisplayPolicy, int mode=-1)

virtual QSize sizeHint () const

virtual QSize minimumSizeHint () const

virtual bool event (QEvent *)

virtual void lgdClicked ()

void autoRefresh ()

virtual void drawCanvas (QPainter *)

virtual void drawCanvasItems (QPainter *, const QRect &, const QwtArray< QwtDiMap > &, const QwtPlotPrintFilter &) const

virtual void drawContents (QPainter *p)

virtual void updateTabOrder ()

void updateAxes ()

void updateLayout ()

virtual void resizeEvent (QResizeEvent *e)

virtual void insertLegendItem (long curveKey)

virtual void updateLegendItem (long curveKey)

virtual void printLegendItem (QPainter *, const QWidget *, const QRect &) const

void updateLegendItem (const QwtPlotCurve *, QwtLegendItem *)

virtual void printTitle (QPainter *, const QRect &) const

virtual void printScale (QPainter *, int axis, int startDist, int endDist, int baseDist, const QRect &) const

virtual void printCanvas (QPainter *, const QRect &, const QwtArray< QwtDiMap > &, const QwtPlotPrintFilter &) const

virtual void printLegend (QPainter *, const QRect &) const

bool axisValid (int axis)

Axis index.

Definition at line 129 of file qwt_plot.h.

Position.

Definition at line 136 of file qwt_plot.h.

Referenced by legendPosition(), and setLegendPos().

Constructor.

Parameters: parent Parent widget

name Widget name

Definition at line 34 of file qwt_plot.cpp.

Constructor.

Parameters: title Title text

parent Parent widget

name Widget name

Definition at line 47 of file qwt_plot.cpp.

Destructor.

Definition at line 54 of file qwt_plot.cpp.

Returns: TRUE if the autoLegend option is set.

Definition at line 973 of file qwt_plot.cpp.

Replots the plot if QwtPlot::autoReplot() is TRUE.

Definition at line 168 of file qwt_plot.cpp.

References replot().

Referenced by changeAxisOptions(), insertMarker(), QwtPlotItem::itemChanged(), removeCurve(), removeCurves(), removeMarker(), removeMarkers(), setAxisAutoScale(), setAxisMargins(), setAxisMaxMajor(), setAxisMaxMinor(), setAxisOptions(), setAxisReference(), setAxisScale(), and setAxisScaleDraw().

Returns: TRUE if the autoReplot option is set.

Definition at line 196 of file qwt_plot.cpp.

Referenced by replot().

Returns: specified axis, or NULL if the axis is not enabled.

Parameters: axis axis index

Definition at line 18 of file qwt_plot_axis.cpp.

References axisEnabled().

Referenced by closestCurve(), closestMarker(), QwtPlotLayout::minimumSizeHint(), and print().

Returns: TRUE if autoscaling is enabled

Parameters: axis axis index

Definition at line 27 of file qwt_plot_axis.cpp.

References QwtAutoScale::autoScale(), and axisValid().

Returns: TRUE if a specified axis is enabled

Parameters: axis axis index

Definition at line 40 of file qwt_plot_axis.cpp.

References axisValid().

Referenced by axis(), canvasMap(), print(), and QwtPlotPicker::QwtPlotPicker().

Returns: the font of the scale labels for a specified axis

Parameters: axis axis index

Definition at line 52 of file qwt_plot_axis.cpp.

References axisValid().

Returns: the number format for the major scale labels of a specified axis

Parameters: axis axis index

Return values: f format character

prec precision

fieldwidth minimum fieldwidth

See also: QString::sprintf in the Qt manual

Definition at line 170 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::labelFormat().

Referenced by QwtPlotZoomer::minZoomSize().

Determine the scale margins for a specified axis.

Parameters: axis axis index

Return values: mlo Margin at the lower limit

mhi Margin at the upper limit

See also: QwtAutoScale::margins()

Definition at line 68 of file qwt_plot_axis.cpp.

References axisValid(), and QwtAutoScale::loMargin().

Returns: the maximum number of major ticks for a specified axis

Parameters: axis axis index

Definition at line 86 of file qwt_plot_axis.cpp.

References axisValid(), and QwtAutoScale::maxMajor().

Returns: the maximum number of minor ticks for a specified axis

Parameters: axis axis index

Definition at line 98 of file qwt_plot_axis.cpp.

References axisValid(), and QwtAutoScale::maxMinor().

Returns: the autoscaling options of a specified axis

Parameters: axis axis index

See also: QwtAutoScale::options

Definition at line 111 of file qwt_plot_axis.cpp.

References axisValid(), and QwtAutoScale::options().

The reference value is needed if the autoscaling options QwtAutoScale::Symmetric or QwtAutoScale::IncludeRef are set.

Returns: the reference value of an axis

Parameters: axis axis index

See also: QwtAutoScale, QwtPlot::setAxisOptions

Definition at line 127 of file qwt_plot_axis.cpp.

References axisValid(), and QwtAutoScale::reference().

Returns: the scale division of a specified axis

Parameters: axis axis index

See also: QwtScaleDiv

Definition at line 140 of file qwt_plot_axis.cpp.

References axisValid(), and QwtAutoScale::scaleDiv().

Referenced by QwtPlotPicker::scaleRect().

Returns: the scale draw of a specified axis

Parameters: axis axis index

Returns: specified scaleDraw for axis, or NULL if axis is invalid.

See also: QwtScaleDraw

Definition at line 154 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::scaleDraw().

Returns: the title of a specified axis

Parameters: axis axis index

Definition at line 189 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::title().

Returns: the title alignment of a specified axis

Parameters: axis axis index

See also: QwtPlot::setAxisTitleAlignment

Definition at line 214 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::titleAlignment().

Returns: the title font of a specified axis

Parameters: axis axis index

Definition at line 201 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::titleFont().

Returns: TRUE if the specified axis exists, otherwise FALSE

Parameters: axis axis index

Definition at line 911 of file qwt_plot.cpp.

Referenced by axisAutoScale(), axisEnabled(), axisFont(), axisLabelFormat(), axisMargins(), axisMaxMajor(), axisMaxMinor(), axisOptions(), axisReference(), axisScale(), axisScaleDraw(), axisTitle(), axisTitleAlignment(), axisTitleFont(), changeAxisOptions(), enableAxis(), invTransform(), setAxisAutoScale(), setAxisFont(), setAxisLabelAlignment(), setAxisLabelFormat(), setAxisLabelRotation(), setAxisMargins(), setAxisMaxMajor(), setAxisMaxMinor(), setAxisOptions(), setAxisReference(), setAxisScale(), setAxisScaleDraw(), setAxisTitle(), setAxisTitleAlignment(), setAxisTitleFont(), and transform().

Returns: the plot's canvas

Definition at line 299 of file qwt_plot.cpp.

Returns: the plot's canvas

Definition at line 291 of file qwt_plot.cpp.

Referenced by canvasBackground(), canvasLineWidth(), drawCurve(), QwtPlotLayout::minimumSizeHint(), setCanvasBackground(), and setCanvasLineWidth().

Nothing else than: canvas()->palette().color( QPalette::Normal, QColorGroup::Background);

Returns: the background color of the plotting area.

Definition at line 771 of file qwt_plot.cpp.

References canvas().

Referenced by QwtPlotPrintFilter::apply(), and printCanvas().

Nothing else than: canvas()->lineWidth(), left for compatibility only.

Returns: the border width of the plotting area

Definition at line 793 of file qwt_plot.cpp.

References canvas().

Parameters: axis Axis

Returns: Map for the axis on the canvas. With this map pixel coordinates can translated to plot coordinates and vice versa.

See also: QwtDiMap, QwtPlot::transform, QwtPlot::invTransform

Definition at line 675 of file qwt_plot.cpp.

References axisEnabled(), QwtPlotLayout::canvasMargin(), QwtScale::endBorderDist(), QwtScaleDiv::hBound(), QwtScaleDiv::lBound(), QwtScaleDiv::logScale(), margin(), plotLayout(), QwtAutoScale::scaleDiv(), QwtDiMap::setDblRange(), QwtDiMap::setIntRange(), and QwtScale::startBorderDist().

Referenced by closestCurve(), closestMarker(), drawCanvas(), drawCurve(), QwtPlotPicker::invTransform(), invTransform(), QwtPlotPicker::transform(), and transform().

Change specified autoscaling options of an axis.

Parameters: axis axis index

opt Set of or'ed options

value Value to be assigned to all the specified options (TRUE or FALSE)

See also: QwtAutoScale::changeOptions

Definition at line 229 of file qwt_plot_axis.cpp.

References autoRefresh(), axisValid(), and QwtAutoScale::changeOptions().

Remove all curves and markers.

Definition at line 932 of file qwt_plot.cpp.

References QwtLegend::clear().

Find the curve which is closest to a point in the plotting area.

Determines the position and index of the closest data point.

Parameters: xpos

ypos coordinates of a point in the plotting region

Return values: xval .br yval values of the closest point in the curve's data array

dist -- distance in points between (xpos, ypos) and the closest data point

index -- index of the closest point in the curve's data array

Returns: Key of the closest curve or 0 if no curve was found.

Definition at line 50 of file qwt_plot_curve.cpp.

References axis(), canvasMap(), curveIterator(), QwtCurve::dataSize(), qwtSqr(), QwtCurve::x(), QwtPlotMappedItem::xAxis(), QwtDiMap::xTransform(), QwtCurve::y(), and QwtPlotMappedItem::yAxis().

Find the curve which is closest to a specified point in the plotting area.

Parameters: xpos

ypos position in the plotting region

Return values: dist distance in points between (xpos, ypos) and the closest data point

Returns: Key of the closest curve or 0 if no curve was found.

Definition at line 30 of file qwt_plot_curve.cpp.

Find the marker which is closest to a given point.

Parameters: xpos .br ypos coordinates of a point in the plotting region

Return values: dist Distance in points between the marker and the specified point.

Returns: Key of the closest marker or 0 if no marker was found

Definition at line 29 of file qwt_plot_marker.cpp.

References axis(), canvasMap(), QwtMarker::lineStyle(), markerIterator(), qwtSqr(), QwtSymbol::style(), QwtMarker::symbol(), QwtPlotMappedItem::xAxis(), QwtDiMap::xTransform(), QwtPlotMarker::xValue(), QwtPlotMappedItem::yAxis(), and QwtPlotMarker::yValue().

Find and return an existing curve.

Parameters: key Key of the curve

Returns: The curve for the given key or 0 if key is not valid.

Definition at line 307 of file qwt_plot_curve.cpp.

Find and return an existing curve.

Parameters: key Key of the curve

Returns: The curve for the given key or 0 if key is not valid.

Definition at line 297 of file qwt_plot_curve.cpp.

Referenced by drawCanvasItems(), drawCurve(), enableLegend(), insertCurve(), and updateLegendItem().

Return the baseline offset for a specified curve.

Parameters: key curve key

Returns: Baseline offset of the specified curve, or 0 if the curve doesn't exist

See also: setCurveBaseline()

Definition at line 626 of file qwt_plot_curve.cpp.

References QwtCurve::baseline().

Returns: the pen of the curve indexed by key

Parameters: key Key of the curve

See also: QwtPlot::setCurveBrush(), QwtCurve::setBrush()

Definition at line 124 of file qwt_plot_curve.cpp.

References QwtCurve::brush().

Return an iterator for the plot curves.

Definition at line 16 of file qwt_plot_curve.cpp.

Referenced by closestCurve(), curveKeys(), drawCanvasItems(), enableLegend(), setLegendDisplayPolicy(), and updateAxes().

Returns: an array containing the keys of all curves

Definition at line 162 of file qwt_plot_curve.cpp.

References curveIterator().

Returns: the drawing options of the curve indexed by key

Parameters: key Key of the curve

Definition at line 133 of file qwt_plot_curve.cpp.

References QwtCurve::options().

Returns: the brush of the curve indexed by key

Parameters: key Key of the curve

Definition at line 113 of file qwt_plot_curve.cpp.

References QwtCurve::pen().

Returns: the spline size of the curve indexed by key

Parameters: key Key of the curve

Definition at line 143 of file qwt_plot_curve.cpp.

References QwtCurve::splineSize().

Returns: the style of the curve indexed by key

Parameters: key Key of the curve

See also: setCurveStyle()

Definition at line 91 of file qwt_plot_curve.cpp.

References QwtCurve::style().

the symbol of the curve indexed by key

Parameters: key Key of the curve

Returns: The symbol of the specified curve. If the key is invalid, a symbol of type 'NoSymbol'.

Definition at line 103 of file qwt_plot_curve.cpp.

References QwtCurve::symbol().

Returns: the title of the curve indexed by key

Parameters: key Key of the curve

Definition at line 153 of file qwt_plot_curve.cpp.

References QwtCurve::title().

Return the index of the x axis to which a curve is mapped.

Parameters: key Key of the curve

Returns: x axis of the curve or -1 if the key is invalid.

Definition at line 180 of file qwt_plot_curve.cpp.

References QwtPlotMappedItem::xAxis().

the index of the y axis to which a curve is mapped

Parameters: key Key of the curve

Returns: y axis of the curve or -1 if the key is invalid.

Definition at line 192 of file qwt_plot_curve.cpp.

References QwtPlotMappedItem::yAxis().

Redraw the canvas.

Parameters: painter Painter used for drawing

Warning: drawCanvas calls drawCanvasItems what is also used for printing. Applications that like to add individual plot items better overload QwtPlot::drawCanvasItems

See also: QwtPlot::drawCanvasItems

Definition at line 567 of file qwt_plot.cpp.

References canvasMap(), and drawCanvasItems().

Redraw the canvas items.

Parameters: painter Painter used for drawing

rect Bounding rectangle where to paint

map QwtPlot::axisCnt maps, mapping between plot and paint device coordinates

pfilter Plot print filter

Definition at line 585 of file qwt_plot.cpp.

References curve(), curveIterator(), QwtMarker::draw(), QwtCurve::draw(), QwtGrid::draw(), QwtPlotItem::enabled(), marker(), markerIterator(), QwtPlotPrintFilter::options(), QwtPlotMappedItem::xAxis(), QwtPlotMarker::xValue(), QwtPlotMappedItem::yAxis(), and QwtPlotMarker::yValue().

Referenced by drawCanvas(), and printCanvas().

drawContents

Definition at line 548 of file qwt_plot.cpp.

Draw a set of points of a curve. When observing an measurement while it is running, new points have to be added to an existing curve. drawCurve can be used to display them avoiding a complete redraw of the canvas.

Parameters: key curve key

from index of the first point to be painted

to index of the last point to be painted. If to < 0 the curve will be painted to its last point.

See also: QwtCurve::draw

Definition at line 641 of file qwt_plot.cpp.

References QwtPlotCanvas::cache(), QwtPlotCanvas::cacheMode(), canvas(), canvasMap(), curve(), QwtCurve::draw(), QwtPlotMappedItem::xAxis(), and QwtPlotMappedItem::yAxis().

Enable or disable a specified axis.

When an axis is disabled, this only means that it is not visible on the screen. Curves, markers and can be attached to disabled axes, and transformation of screen coordinates into values works as normal.

Only xBottom and yLeft are enabled by default.

Parameters: axis axis index

tf TRUE (enabled) or FALSE (disabled)

Definition at line 251 of file qwt_plot_axis.cpp.

References axisValid(), and updateLayout().

Enable or disable vertical gridlines.

Parameters: tf Enable (TRUE) or disable (FALSE). Defaults to TRUE.

Definition at line 32 of file qwt_plot_grid.cpp.

References QwtGrid::enableX().

Enable or disable vertical gridlines for the minor scale marks.

Parameters: tf enable (TRUE) or disable (FALSE). Defaults to TRUE.

Definition at line 51 of file qwt_plot_grid.cpp.

References QwtGrid::enableXMin().

Enable or disable horizontal gridlines.

Parameters: tf Enable (TRUE) or disable (FALSE). Defaults to TRUE.

Definition at line 42 of file qwt_plot_grid.cpp.

References QwtGrid::enableY().

Enable or disable horizontal gridlines for the minor scale marks.

Parameters: tf enable (TRUE) or disable (FALSE). Defaults to TRUE.

Definition at line 60 of file qwt_plot_grid.cpp.

References QwtGrid::enableYMin().

Enable or disable the legend.

Parameters: enable TRUE (enabled) or FALSE (disabled)

curveKey Key of a existing curve. If curveKey < 0 the legends for all curves will be updated.

See also: QwtPlot::setAutoLegend()

QwtPlot::setLegendPosition()

Definition at line 988 of file qwt_plot.cpp.

References QwtLegend::clear(), curve(), curveIterator(), QwtLegend::findItem(), insertLegendItem(), QwtLegend::itemCount(), and updateLayout().

Enables or disables outline drawing.

Warning: Outlining functionality is obsolete: use QwtPlotPicker or QwtPlotZoomer.

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.

Parameters: tf TRUE (enabled) or FALSE (disabled)

Warning: An outline style has to be specified.

See also: setOutlineStyle()

Definition at line 814 of file qwt_plot.cpp.

References QwtPlotCanvas::enableOutline().

Designer API for enableAxis.

Definition at line 148 of file qwt_plot.h.

Designer API for enableAxis.

Definition at line 152 of file qwt_plot.h.

Designer API for enableAxis.

Definition at line 160 of file qwt_plot.h.

Designer API for enableAxis.

Definition at line 156 of file qwt_plot.h.

Adds handling of QEvent::LayoutHint.

Definition at line 147 of file qwt_plot.cpp.

References updateLayout().

Return the canvas grid.

Definition at line 22 of file qwt_plot_grid.cpp.

Return the canvas grid.

Definition at line 16 of file qwt_plot_grid.cpp.

Returns: pen of the major grid

See also: QwtPlot::setGridMajPen, QwtPlot::gridMinPen

Definition at line 181 of file qwt_plot_grid.cpp.

References QwtGrid::majPen().

Returns: pen of the minor grid

See also: QwtPlot::setGridMinPen, QwtPlot::gridMajPen

Definition at line 163 of file qwt_plot_grid.cpp.

References QwtGrid::minPen().

Returns: x-axis where the grid is attached to.

See also: QwtPlot::setGridXAxis

Definition at line 114 of file qwt_plot_grid.cpp.

References QwtPlotMappedItem::xAxis().

Returns: TRUE if the X major grid is enabled (visible), FALSE otherwise.

Definition at line 68 of file qwt_plot_grid.cpp.

References QwtGrid::xEnabled().

Returns: TRUE if the X minor grid is enabled (visible), FALSE otherwise.

Definition at line 76 of file qwt_plot_grid.cpp.

References QwtGrid::xMinEnabled().

Returns: y-axis where the grid is attached to.

See also: QwtPlot::setGridYAxis

Definition at line 136 of file qwt_plot_grid.cpp.

References QwtPlotMappedItem::yAxis().

Returns: TRUE if the Y major grid is enabled (visible), FALSE otherwise.

Definition at line 84 of file qwt_plot_grid.cpp.

References QwtGrid::yEnabled().

Returns: TRUE if the X minor grid is enabled (visible), FALSE otherwise.

Definition at line 92 of file qwt_plot_grid.cpp.

References QwtGrid::yMinEnabled().

Insert a new curve and return a unique key.

Parameters: title title of the new curve

xAxis x axis to be attached. Defaults to xBottom.

yAxis y axis to be attached. Defaults to yLeft.

Returns: The key of the new curve or 0 if no new key could be found or if no new curve could be allocated.

Definition at line 276 of file qwt_plot_curve.cpp.

References curve(), insertCurve(), QwtPlotMappedItem::setAxis(), and QwtCurve::setTitle().

Insert a curve.

Parameters: curve Curve

Returns: The key of the new curve or 0 if no new key could be found or if no new curve could be allocated.

Definition at line 247 of file qwt_plot_curve.cpp.

References insertLegendItem(), QwtPlotItem::reparent(), and updateLayout().

Referenced by insertCurve().

Insert a QwtLegendItem for a specified curve.

In case of legend()->isReadOnly the item will be a QwtLegendLabel, otherwise a QwtLegendButton.

Parameters: curveKey curve key

See also: QwtLegendButton, QwtLegendItem, QwtLegend, updateLegendItem(), printLegendItem()

Definition at line 644 of file qwt_plot_curve.cpp.

References QwtLegend::contentsWidget(), QwtLegend::insertItem(), QwtLegend::isReadOnly(), lgdClicked(), and updateLegendItem().

Referenced by enableLegend(), and insertCurve().

This function is a shortcut to insert a horizontal or vertical line marker, dependent on the specified axis.

Parameters: label Label

axis Axis to be attached

Returns: New key if the marker could be inserted, 0 if not.

Definition at line 113 of file qwt_plot_marker.cpp.

References insertMarker(), marker(), QwtPlotMappedItem::setAxis(), QwtMarker::setLabel(), QwtMarker::setLabelAlignment(), and QwtMarker::setLineStyle().

Insert a new marker.

Parameters: label Label

xAxis X axis to be attached

yAxis Y axis to be attached

Returns: New key if the marker could be inserted, 0 if not.

Definition at line 156 of file qwt_plot_marker.cpp.

References insertMarker(), marker(), QwtPlotMappedItem::setAxis(), and QwtMarker::setLabel().

Insert a new marker.

Parameters: marker Marker

Returns: New key if the marker could be inserted, 0 if not.

Definition at line 177 of file qwt_plot_marker.cpp.

References autoRefresh(), and QwtPlotItem::reparent().

Referenced by insertLineMarker(), and insertMarker().

Transform the x or y coordinate of a position in the drawing region into a value.

Parameters: axis axis index

pos position

Warning: The position can be an x or a y coordinate, depending on the specified axis.

Definition at line 268 of file qwt_plot_axis.cpp.

References axisValid(), canvasMap(), and QwtDiMap::invTransform().

Returns: the plot's legend

See also: insertLegendItem(), updateLegendItem(), printLegendItem()

Definition at line 282 of file qwt_plot.cpp.

Returns: the plot's legend

See also: insertLegendItem(), updateLegendItem(), printLegendItem()

Definition at line 273 of file qwt_plot.cpp.

Referenced by QwtPlotLayout::activate(), and QwtPlotLayout::minimumSizeHint().

A signal which is emitted when legend()->isReadOnly() == FALSE and the user has clicked on a legend item,

Parameters: key Key of the curve corresponding to the selected legend item

Note: To enable clicks legend()->setReadOnly(FALSE) has to be set before the items have been inserted.

See also: QwtLegend::setReadOnly, QwtLegend::isReadOnly

Referenced by lgdClicked().

Parameters: curveKey Curve key.

Returns: TRUE if legend is enabled, otherwise FALSE

Definition at line 1037 of file qwt_plot.cpp.

References QwtLegend::findItem().

Returns: the font of the legend items

Definition at line 1180 of file qwt_plot.cpp.

Returns: the frame style of the legend

Definition at line 1172 of file qwt_plot.cpp.

Returns: position of the legend

See also: QwtPlot::setLegendPosition(), QwtPlotLayout::legendPosition()

Warning: This function is deprecated. Use QwtPlot::legendPosition().

Definition at line 1141 of file qwt_plot.cpp.

References QwtPlotLayout::legendPosition().

Returns: position of the legend

See also: QwtPlot::setLegendPosition(), QwtPlotLayout::legendPosition()

Definition at line 1105 of file qwt_plot.cpp.

References QwtPlotLayout::legendPosition(), and Position.

Called internally when the legend has been clicked on. Emits a legendClicked() signal. Definition at line 921 of file qwt_plot.cpp.

References QwtLegend::key(), and legendClicked().

Referenced by insertLegendItem().

Returns: margin

See also: QwtPlot::setMargin(), QwtPlotLayout::margin(), QwtPlot::plotLayout()

Definition at line 742 of file qwt_plot.cpp.

References QwtPlotLayout::margin().

Referenced by canvasMap(), and print().

Find and return an existing marker.

Parameters: key Key of the marker

Returns: The marker for the given key or 0 if key is not valid.

Definition at line 211 of file qwt_plot_marker.cpp.

Find and return an existing marker.

Parameters: key Key of the marker

Returns: The marker for the given key or 0 if key is not valid.

Definition at line 200 of file qwt_plot_marker.cpp.

Referenced by drawCanvasItems(), insertLineMarker(), and insertMarker().

Returns: the font of a marker

Definition at line 235 of file qwt_plot_marker.cpp.

References QwtMarker::font().

Return an iterator for the plot curves.

Definition at line 17 of file qwt_plot_marker.cpp.

Referenced by closestMarker(), drawCanvasItems(), and markerKeys().

Returns: an array containing the keys of all markers

Definition at line 219 of file qwt_plot_marker.cpp.

References markerIterator().

Returns: a marker's label

Parameters: key Marker key

Definition at line 248 of file qwt_plot_marker.cpp.

References QwtMarker::label().

Returns: a marker's label alignment

Parameters: key Marker key

Definition at line 261 of file qwt_plot_marker.cpp.

References QwtMarker::labelAlignment().

Returns: the pen of a marker's label

Parameters: key Marker key

Definition at line 274 of file qwt_plot_marker.cpp.

References QwtMarker::labelPen().

Returns: a marker's line pen

Parameters: key Marker key

Definition at line 288 of file qwt_plot_marker.cpp.

References QwtMarker::linePen().

Returns: a marker's line style

Parameters: key Marker key

Definition at line 302 of file qwt_plot_marker.cpp.

References QwtMarker::lineStyle().

Get the position of a marker.

Parameters: key Marker key

Return values: mx .br my Marker position

Definition at line 318 of file qwt_plot_marker.cpp.

References QwtPlotMarker::xValue(), and QwtPlotMarker::yValue().

Returns: a marker's symbol

Parameters: key Marker key

Definition at line 337 of file qwt_plot_marker.cpp.

References QwtMarker::symbol().

Returns: the x axis to which a marker is attached

Parameters: key Marker key

Definition at line 351 of file qwt_plot_marker.cpp.

References QwtPlotMappedItem::xAxis().

Returns: the y axis to which a marker is attached

Parameters: key Marker key

Definition at line 366 of file qwt_plot_marker.cpp.

References QwtPlotMappedItem::yAxis().

Return a minimum size hint.

Definition at line 343 of file qwt_plot.cpp.

References QwtPlotLayout::minimumSizeHint().

Referenced by sizeHint().

Returns: TRUE if the outline feature is enabled

Warning: Outlining functionality is obsolete: use QwtPlotPicker or QwtPlotZoomer.

Definition at line 876 of file qwt_plot.cpp.

References QwtPlotCanvas::outlineEnabled().

Returns: the pen used to draw outlines

Warning: Outlining functionality is obsolete: use QwtPlotPicker or QwtPlotZoomer.

Definition at line 887 of file qwt_plot.cpp.

References QwtPlotCanvas::outlinePen().

Returns: the outline style

Warning: Outlining functionality is obsolete: use QwtPlotPicker or QwtPlotZoomer.

See also: setOutlineStyle()

Definition at line 900 of file qwt_plot.cpp.

References QwtPlotCanvas::outlineStyle().

Returns: the plot's layout

Definition at line 248 of file qwt_plot.cpp.

Returns: the plot's layout

Definition at line 240 of file qwt_plot.cpp.

Referenced by canvasMap(), and print().

A signal which is emitted when the mouse is moved in the plot canvas.

Warning: Canvas signals are obsolete: use QwtPlotPicker or QwtPlotZoomer.

The coordinates are pixel values referring to the plot canvas. They can be translated using the canvasMaps.

Parameters: e Mouse event object

See also: QwtPlot::canvasMap()

A signal which is emitted when the mouse is pressed in the plot canvas.

Warning: Canvas signals are obsolete: use QwtPlotPicker or QwtPlotZoomer.

The coordinates are pixel values referring to the plot canvas. They can be translated using the canvasMaps.

Parameters: e Mouse event object

See also: QwtPlot::canvasMap()

A signal which is emitted when a mouse button has been released in the plot canvas.

Warning: Canvas signals are obsolete: use QwtPlotPicker or QwtPlotZoomer.

The coordinates are pixel values referring to the plot canvas. They can be translated using the canvasMaps.

Parameters: e Mouse event object, event coordinates referring to the plot canvas

See also: QwtPlot::canvasMap()

Paint the plot into a given rectangle. Paint the contents of a QwtPlot instance into a given rectangle.

Parameters: painter Painter

plotRect Bounding rectangle

pfilter Print filter

See also: QwtPlotPrintFilter

Definition at line 95 of file qwt_plot_print.cpp.

References QwtPlotLayout::activate(), QwtPlotPrintFilter::apply(), axis(), axisEnabled(), QwtScale::baseLineDist(), QwtPlotLayout::canvasMargin(), QwtPlotLayout::canvasRect(), QwtScaleDiv::hBound(), QwtPlotLayout::invalidate(), QwtLegend::isEmpty(), QwtScaleDiv::lBound(), QwtPlotLayout::legendRect(), QwtScaleDiv::logScale(), margin(), QwtPainter::metricsMap(), QwtPlotPrintFilter::options(), plotLayout(), printCanvas(), printLegend(), printScale(), printTitle(), QwtPlotPrintFilter::reset(), QwtPainter::resetMetricsMap(), QwtAutoScale::scaleDiv(), QwtPlotLayout::scaleRect(), QwtScale::setBaselineDist(), QwtPainter::setMetricsMap(), QwtScale::startBorderDist(), and QwtPlotLayout::titleRect().

Print the plot to a QPaintDevice (QPrinter) This function prints the contents of a QwtPlot instance to QPaintDevice object. The size is derived from its device metrics.

Parameters: paintDev device to paint on, often a printer

pfilter print filter

See also: QwtPlot::print

QwtPlotPrintFilter

Attention: Using a QPrinter in QPrinter::HighResolution mode may expose a bug in the QFontDatabase class in Qt-X11 and Qt-Embedded.

The problem concerns the font metrics: the height and width of a font should measure 8 times more pixels on a 600 dpi paint device than on a 75 dpi paint device. High resolution print tests on a Mandrake-8.2 system with a 75 dpi screen show (test program available on request):

•

Qt finds more fonts with the X Font Server enabled than disabled (use qtconfig). Enabling or disabling the font server has no consequences for the print quality.

•

Qt-3.0.7 finds significantly more fonts than its successors and prints well.

•

Qt-3.1.2 finds less fonts than Qt-3.0.7 with the X Font Server enabled and prints well.

•

Qt-3.2.0 finds less fonts than Qt-3.0.7 and printing only works for rich text. All plain text is printed at 75 dpi instead of 600 dpi. Some standard X Window fonts as 'Helvetica [Adobe]' do not print well as rich text.

•

Qt-3.2.1 finds a few more fonts than Qt-3.2.0 and some standard non-scalable X Window fonts as 'Helvetica [Adobe]' do not print well as rich and plain text.

•

Qt-3.2.2 still has problems with the same fonts as Qt-3.2.1, but there is improvement (text printed with non-scalable X Windows fonts is barely readable and looks ugly, because Qt gets the font metrics wrong).

•

Qt-3.2.3 prints well (but finds less fonts than Qt-3.0.7).

Recommendations:

•

If you can, upgrade Qt-3.2.x to Qt-3.2.3.

•

If you cannot, patches for Qt-3.2.1 and Qt-3.2.2 are available on request.

•

Do not use Qt-3.2.0.

•

Do not use non-scalable fonts for printing, especially if you print to postscript files that are to be included in other documents.

Definition at line 72 of file qwt_plot_print.cpp.

Print the canvas into a given rectangle.

Parameters: painter Painter

map Maps mapping between plot and paint device coordinates

canvasRect Bounding rectangle

pfilter Print filter

See also: QwtPlotPrintFilter

Definition at line 446 of file qwt_plot_print.cpp.

References canvasBackground(), drawCanvasItems(), QwtPainter::drawRect(), QwtPainter::fillRect(), QwtPlotPrintFilter::options(), and QwtPainter::setClipRect().

Referenced by print().

Print the legend into a given rectangle.

Parameters: painter Painter

rect Bounding rectangle

Definition at line 293 of file qwt_plot_print.cpp.

References QwtDynGridLayout::columnsForWidth(), QwtLegend::contentsWidget(), QwtLegend::isEmpty(), QwtDynGridLayout::iterator(), QwtDynGridLayout::layoutItems(), printLegendItem(), and QwtPainter::setClipRect().

Referenced by print().

Print the legend item into a given rectangle.

Parameters: painter Painter

w Widget representing a legend item

rect Bounding rectangle

Definition at line 337 of file qwt_plot_print.cpp.

References QwtLegendItem::drawItem().

Referenced by printLegend().

Paint a scale into a given rectangle. Paint the scale into a given rectangle.

Parameters: painter Painter

axis Axis

startDist Start border distance

endDist End border distance

baseDist Base distance

rect Bounding rectangle

Definition at line 367 of file qwt_plot_print.cpp.

References QwtScaleDraw::draw(), QwtScale::drawTitle(), QwtScaleDraw::length(), QwtScale::scaleDraw(), QwtScaleDraw::setGeometry(), QwtScaleDraw::x(), and QwtScaleDraw::y().

Referenced by print().

Print the title into a given rectangle.

Parameters: painter Painter

rect Bounding rectangle

Definition at line 274 of file qwt_plot_print.cpp.

References QwtText::draw(), and QwtText::makeText().

Referenced by print().

remove the curve indexed by key

Parameters: key Key of the curve

Definition at line 317 of file qwt_plot_curve.cpp.

References autoRefresh(), QwtLegend::findItem(), and updateLayout().

Remove all curves.

Definition at line 941 of file qwt_plot.cpp.

References autoRefresh(), and QwtLegend::clear().

Remove the marker indexed by key.

Parameters: key unique key

Definition at line 380 of file qwt_plot_marker.cpp.

References autoRefresh().

Remove all markers.

Definition at line 949 of file qwt_plot.cpp.

References autoRefresh().

Redraw the plot.

If the autoReplot option is not set (which is the default) or if any curves are attached to raw data, the plot has to be refreshed explicitly in order to make changes visible.

See also: setAutoReplot()

Warning: Calls canvas()->repaint, take care of infinite recursions

Definition at line 368 of file qwt_plot.cpp.

References autoReplot(), QwtPlotCanvas::invalidateCache(), setAutoReplot(), and updateAxes().

Referenced by autoRefresh(), and QwtPlotZoomer::rescale().

Resize and update internal layout.

Definition at line 352 of file qwt_plot.cpp.

References updateLayout().

Set or reset the autoLegend option If the autoLegend option is set, a item will be added to the legend whenever a curve is inserted.

The autoLegend option is set to FALSE by default, which means that the user has to call enableLegend.

Parameters: tf TRUE or FALSE. Defaults to FALSE.

See also: QwtPlot::enableLegend()

Definition at line 965 of file qwt_plot.cpp.

Set or reset the autoReplot option If the autoReplot option is set, the plot will be updated implicitly by manipulating member functions. Since this may be time-consuming, it is recommended to leave this option switched off and call replot() explicitly if necessary.

The autoReplot option is set to FALSE by default, which means that the user has to call replot() in order to make changes visible.

Parameters: tf TRUE or FALSE. Defaults to TRUE.

See also: replot()

Definition at line 188 of file qwt_plot.cpp.

Referenced by replot().

Enable autoscaling for a specified axis.

This member function is used to switch back to autoscaling mode after a fixed scale has been set. Autoscaling is enabled by default.

Parameters: axis axis index

See also: QwtPlot::setAxisScale()

Definition at line 349 of file qwt_plot_axis.cpp.

References autoRefresh(), axisValid(), and QwtAutoScale::setAutoScale().

Change the font of an axis.

Parameters: axis axis index

f font

Warning: This function changes the font of the tick labels, not of the axis title.

Definition at line 300 of file qwt_plot_axis.cpp.

References axisValid().

Change the alignment of the tick labels

Parameters: axis axis index

alignment Or'd Qt::AlignmentFlags <see qnamespace.h>

See also: QwtScaleDraw::setLabelAlignment()

Definition at line 421 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::setLabelAlignment().

Change the number format for the major scale of a selected axis

Parameters: axis axis index

f format

prec precision

fieldwidth minimum fieldwidth

See also: QString::sprintf in the Qt manual

Definition at line 409 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::setLabelFormat().

Rotate all tick labels

Parameters: axis axis index

rotation Angle in degrees. When changing the label rotation, the label alignment might be adjusted too.

See also: QwtScaleDraw::setLabelRotation(), QwtPlot::setAxisLabelAlignment

Definition at line 434 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::setLabelRotation().

Assign margins to a specified axis.

Parameters: axis axis index

mlo margin at the lower end of the scale

mhi margin at the upper end of the scale

Warning: If the scale is logarithmic, the margins are measured in decades

See also: QwtAutoScale::setMargins

Definition at line 315 of file qwt_plot_axis.cpp.

References autoRefresh(), axisValid(), and QwtAutoScale::setMargins().

Set the maximum number of major scale intervals for a specified axis.

Parameters: axis axis index

maxMajor maximum number of major steps

See also: QwtAutoScale::setMaxMajor

Definition at line 485 of file qwt_plot_axis.cpp.

References autoRefresh(), axisValid(), and QwtAutoScale::setMaxMajor().

Set the maximum number of minor scale intervals for a specified axis.

Parameters: axis axis index

maxMinor maximum number of minor steps

See also: QwtAutoScale::setMaxMinor

Definition at line 470 of file qwt_plot_axis.cpp.

References autoRefresh(), axisValid(), and QwtAutoScale::setMaxMinor().

Reset scale options and set specified options for a specified axis.

Parameters: axis axis index

opt set of options

See also: QwtAutoScale::setOptions

Definition at line 330 of file qwt_plot_axis.cpp.

References autoRefresh(), axisValid(), and QwtAutoScale::setOptions().

Set a reference value for a specified axis.

The reference value is used by some autoscaling modes.

Parameters: axis axis index

value reference value

See also: QwtAutoScale::setReference, QwtPlot::setAxisOptions()

Definition at line 502 of file qwt_plot_axis.cpp.

References autoRefresh(), axisValid(), and QwtAutoScale::setReference().

Disable autoscaling and specify a fixed scale for a selected axis.

Parameters: axis axis index

min

max minimum and maximum of the scale

step Major step size. If step == 0, the step size is calculated automatically using the maxMajor setting.

See also: QwtPlot::setAxisMaxMajor()

Definition at line 367 of file qwt_plot_axis.cpp.

References autoRefresh(), axisValid(), and QwtAutoScale::setScale().

Referenced by QwtPlotZoomer::rescale().

Set a scale draw.

Parameters: axis axis index

scaleDraw object responsible for drawing scales.

By passing scaleDraw it is possible to extend QwtScaleDraw functionality and let it take place in QwtPlot. Please note that scaleDraw has to be created with new and will be deleted by the corresponding QwtScale member ( like a child object ).

See also: QwtScaleDraw, QwtScale

Warning: The attributes of scaleDraw will be overwritten by those of the previous QwtScaleDraw.

Definition at line 392 of file qwt_plot_axis.cpp.

References autoRefresh(), axisValid(), and QwtScale::setScaleDraw().

Change the title of a specified axis.

Parameters: axis axis index

t axis title

Definition at line 516 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::setTitle().

Change the title alignment of a selected axis.

Parameters: axis axis index

align or'd Qt::Alignment flags.

See also: QwtScale::setTitleAlignment

Definition at line 457 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::setTitleAlignment().

Change the title font of a selected axis.

Parameters: axis axis index

f font

Definition at line 445 of file qwt_plot_axis.cpp.

References axisValid(), and QwtScale::setTitleFont().

Change the background of the plotting area.

Sets c to QColorGroup::Background of all colorgroups of the palette of the canvas. Using canvas()->setPalette() is a more powerful way to set these colors.

Parameters: c new background color

Definition at line 755 of file qwt_plot.cpp.

References canvas().

Referenced by QwtPlotPrintFilter::apply(), and QwtPlotPrintFilter::reset().

Change the border width of the plotting area Nothing else than canvas()->setLineWidth(w), left for compatibility only.

Parameters: w new border width

Definition at line 783 of file qwt_plot.cpp.

References canvas().

Set the baseline for a specified curve.

The baseline is needed for the curve style QwtCurve::Sticks,

Parameters: key curve key

ref baseline offset from zero

See also: QwtCurve::setBaseline

Returns: TRUE if the curve exists

Definition at line 609 of file qwt_plot_curve.cpp.

References QwtCurve::setBaseline().

Assign a brush to a curve indexed by key The brush will be used to fill the area between the curve and the baseline.

Parameters: key Key of the curve

brush new brush

Returns: TRUE if the curve exists

See also: QwtCurve::setBrush for further details.

QwtPlot::brush(), QwtPlot::setCurveBaseline

Definition at line 362 of file qwt_plot_curve.cpp.

References QwtCurve::setBrush(), and updateLegendItem().

Initialize curve data with any QwtData object.

Parameters: key curve key

data Data

Returns: TRUE if the curve exists

Definition at line 503 of file qwt_plot_curve.cpp.

References QwtCurve::setData().

Initialize curve data with a array of points (explicitly shared).

Parameters: key curve key

data Data

Returns: TRUE if the curve exists

Definition at line 486 of file qwt_plot_curve.cpp.

References QwtCurve::setData().

Initialize curve data with x- and y-arrays (data is explicitly shared).

Parameters: key curve key

xData array with x-values

yData array with y-values

Returns: TRUE if the curve exists

Definition at line 468 of file qwt_plot_curve.cpp.

References QwtCurve::setData().

Set curve data by copying x- and y-values from specified blocks. Contrary to QwtPlot::setCurveRawData, this function makes a 'deep copy' of the data.

Parameters: key curve key

xData pointer to x values

yData pointer to y values

size size of xData and yData

Returns: TRUE if the curve exists

See also: setCurveRawData(), QwtCurve::setData

Definition at line 449 of file qwt_plot_curve.cpp.

References QwtCurve::setData().

Set the style options of a curve indexed by key.

Parameters: key The curve's key

opt curve options

Returns: TRUE if the specified curve exists.

See also: QwtCurve::setOptions for a detailed description of valid options.

Definition at line 540 of file qwt_plot_curve.cpp.

References QwtCurve::setOptions().

Assign a pen to a curve indexed by key.

Parameters: key Key of the curve

pen new pen

Returns: TRUE if the curve exists

Definition at line 340 of file qwt_plot_curve.cpp.

References QwtCurve::setPen(), and updateLegendItem().

Initialize the curve data by pointing to memory blocks which are not managed by QwtPlot.

Parameters: key Key of the curve

xData pointer to x data

yData pointer to y data

size size of x and y

Returns: TRUE if the curve exists

Warning: setRawData is provided for efficiency. The programmer should not delete the data during the lifetime of the underlying QwtCPointerData class.

See also: QwtPlot::setCurveData(), QwtCurve::setRawData()

Definition at line 407 of file qwt_plot_curve.cpp.

References QwtCurve::setRawData().

Set the number of interpolated points of a curve indexed by key.

Parameters: key key of the curve

s size of the spline

Returns: TRUE if the curve exists

Definition at line 556 of file qwt_plot_curve.cpp.

References QwtCurve::setSplineSize().

Change a curve's style.

Parameters: key Key of the curve

s display style of the curve

options style options

Returns: TRUE if the curve exists

See also: QwtCurve::setStyle() for a detailed description of valid styles.

Definition at line 521 of file qwt_plot_curve.cpp.

References QwtCurve::setStyle(), and updateLegendItem().

Assign a symbol to the curve indexed by key.

Parameters: key key of the curve

symbol new symbol

Returns: TRUE if the curve exists

Definition at line 380 of file qwt_plot_curve.cpp.

References QwtCurve::setSymbol(), and updateLegendItem().

Assign a title to the curve indexed by key.

Parameters: key key of the curve

title new title

Returns: TRUE if the curve exists

Definition at line 424 of file qwt_plot_curve.cpp.

References QwtCurve::setTitle(), and updateLegendItem().

Attach a curve to an x axis.

Parameters: key key of the curve

axis x axis to be attached

Returns: TRUE if the curve exists

Definition at line 573 of file qwt_plot_curve.cpp.

References QwtPlotMappedItem::setXAxis().

Attach a curve to an y axis.

Parameters: key key of the curve

axis y axis to be attached

Returns: TRUE if the curve exists

Definition at line 589 of file qwt_plot_curve.cpp.

References QwtPlotMappedItem::setYAxis().

Change the pen for the major gridlines.

Parameters: p new pen

Definition at line 172 of file qwt_plot_grid.cpp.

References QwtGrid::setMajPen().

Change the pen for the minor gridlines.

Parameters: p new pen

Definition at line 154 of file qwt_plot_grid.cpp.

References QwtGrid::setMinPen().

Change the grid's pens for major and minor gridlines.

Parameters: p new pen

Definition at line 145 of file qwt_plot_grid.cpp.

References QwtGrid::setPen().

Attach the grid to an x axis.

Parameters: axis x axis to be attached

Definition at line 101 of file qwt_plot_grid.cpp.

References QwtPlotMappedItem::setXAxis(), and QwtGrid::setXDiv().

Attach the grid to an y axis.

Parameters: axis y axis to be attached

Definition at line 123 of file qwt_plot_grid.cpp.

References QwtPlotMappedItem::setYAxis(), and QwtGrid::setYDiv().

Set the identifier display policy of the legend.

Parameters: policy new policy.

mode new mode.

See also: QwtLegend::setDisplayPolicy, QwtLegend::LegendDisplayPolicy

Definition at line 1191 of file qwt_plot.cpp.

References curveIterator(), QwtLegend::setDisplayPolicy(), and updateLegendItem().

Change the font of the legend items.

Parameters: f new font

Definition at line 1152 of file qwt_plot.cpp.

References updateLayout().

Change the legend's frame style.

Parameters: st Frame Style. See Qt manual on QFrame.

Definition at line 1163 of file qwt_plot.cpp.

References updateLayout().

Specify the position of the legend within the widget. If the position legend is QwtPlot::Left or QwtPlot::Right the legend will be organized in one column from top to down. Otherwise the legend items will be placed be placed in a table with a best fit number of columns from left to right.

Parameters: pos The legend's position. Valid values are QwtPlot::Left, QwtPlot::Right, QwtPlot::Top, QwtPlot::Bottom.

ratio Ratio between legend and the bounding rect of title, canvas and axes. The legend will be shrinked if it would need more space than the given ratio. The ratio is limited to ]0.0 .. 1.0]. In case of <= 0.0 it will be reset to the default ratio. The default vertical/horizontal ratio is 0.33/0.5.

See also: QwtPlot::legendPosition(), QwtPlotLayout::setLegendPosition()

Warning: This function is deprecated. Use QwtPlot::setLegendPosition().

Definition at line 1131 of file qwt_plot.cpp.

References Position, and setLegendPosition().

Specify the position of the legend within the widget. If the position legend is QwtPlot::Left or QwtPlot::Right the legend will be organized in one column from top to down. Otherwise the legend items will be placed be placed in a table with a best fit number of columns from left to right.

Parameters: pos The legend's position. Valid values are QwtPlot::Left, QwtPlot::Right, QwtPlot::Top, QwtPlot::Bottom.

See also: QwtPlot::legendPosition(), QwtPlotLayout::setLegendPosition()

Definition at line 1096 of file qwt_plot.cpp.

References setLegendPosition().

Specify the position of the legend within the widget. If the position legend is QwtPlot::Left or QwtPlot::Right the legend will be organized in one column from top to down. Otherwise the legend items will be placed be placed in a table with a best fit number of columns from left to right.

Parameters: pos The legend's position. Valid values are QwtPlot::Left, QwtPlot::Right, QwtPlot::Top, QwtPlot::Bottom.

ratio Ratio between legend and the bounding rect of title, canvas and axes. The legend will be shrinked if it would need more space than the given ratio. The ratio is limited to ]0.0 .. 1.0]. In case of <= 0.0 it will be reset to the default ratio. The default vertical/horizontal ratio is 0.33/0.5.

See also: QwtPlot::legendPosition(), QwtPlotLayout::setLegendPosition()

Definition at line 1060 of file qwt_plot.cpp.

References QwtLegend::contentsWidget(), QwtPlotLayout::legendPosition(), QwtPlotLayout::setLegendPosition(), QwtDynGridLayout::setMaxCols(), updateLayout(), and updateTabOrder().

Referenced by setLegendPos(), and setLegendPosition().

Change the margin of the plot. The margin is the space around all components.

Parameters: margin new margin

See also: QwtPlotLayout::setMargin(), QwtPlot::margin(), QwtPlot::plotLayout()

Definition at line 726 of file qwt_plot.cpp.

References QwtPlotLayout::margin(), QwtPlotLayout::setMargin(), and updateLayout().

Specify a font for a marker's label.

Parameters: key Marker key

f New font

Returns: TRUE if the specified marker exists

Definition at line 432 of file qwt_plot_marker.cpp.

References QwtMarker::setFont().

Set the marker label.

Parameters: key Marker key

text the label text

font the font of the label text

color the color of the label text

pen the pen of the bounding box of the label text

brush the brush of the bounding box of the label text

Returns: TRUE if the specified marker exists

Definition at line 610 of file qwt_plot_marker.cpp.

References QwtMarker::setLabel().

Specify the alignment of a marker's label.

The alignment determines the position of the label relative to the marker's position. The default setting is AlignCenter.

Parameters: key Marker key

align Alignment: AlignLeft, AlignRight, AlignTop, AlignBottom, AlignHCenter, AlignVCenter, AlignCenter or a combination of them.

Returns: TRUE if the specified marker exists

Definition at line 633 of file qwt_plot_marker.cpp.

References QwtMarker::setLabelAlignment().

Specify a pen for a marker's label.

Parameters: key Marker key

p Label pen

Returns: TRUE if the specified marker exists

Definition at line 651 of file qwt_plot_marker.cpp.

References QwtMarker::setLabelPen().

Assign a text to the label of a marker.

Parameters: key Marker key

text Label text

Returns: TRUE if the specified marker exists

Definition at line 589 of file qwt_plot_marker.cpp.

References QwtMarker::setLabelText().

Specify a pen for a marker's line.

Parameters: key Marker key

p New pen

Returns: TRUE if the specified marker exists

Definition at line 451 of file qwt_plot_marker.cpp.

References QwtMarker::setLinePen().

Specify the line style for a marker.

Parameters: key Marker key

st Line style: QwtMarker::HLine, QwtMarker::VLine, QwtMarker::NoLine or a combination of them.

Returns: TRUE if the specified marker exists

Definition at line 473 of file qwt_plot_marker.cpp.

References QwtMarker::setLineStyle().

Specify a pen for a marker's label.

Parameters: key Marker key

p New pen

Returns: TRUE if the specified marker exists

Definition at line 491 of file qwt_plot_marker.cpp.

References QwtMarker::setLabelPen(), and QwtMarker::setLinePen().

Change the position of a marker.

Parameters: key Marker key

xval

yval Position of the marker in axis coordinates.

Returns: TRUE if the specified marker exists

Definition at line 513 of file qwt_plot_marker.cpp.

References QwtPlotMarker::setXValue(), and QwtPlotMarker::setYValue().

Assign a symbol to a specified marker.

Parameters: key Marker key

s new symbol

Returns: TRUE if the specified marker exists

Definition at line 571 of file qwt_plot_marker.cpp.

References QwtMarker::setSymbol().

Attach the marker to an x axis.

Returns: TRUE if the specified marker exists.

Definition at line 396 of file qwt_plot_marker.cpp.

References QwtPlotMappedItem::setXAxis().

Specify the X position of a marker.

Parameters: key Marker key

val X position of the marker

Returns: TRUE if the specified marker exists

Definition at line 533 of file qwt_plot_marker.cpp.

References QwtPlotMarker::setXValue().

Attach the marker to a Y axis.

Parameters: key Marker key

axis Axis to be attached

Returns: TRUE if the specified marker exists

Definition at line 414 of file qwt_plot_marker.cpp.

References QwtPlotMappedItem::setYAxis().

Specify the Y position of the marker.

Parameters: key Marker key

val Y position of the marker

Returns: TRUE if the specified marker exists

Definition at line 552 of file qwt_plot_marker.cpp.

References QwtPlotMarker::setYValue().

Specify a pen for the outline.

Warning: Outlining functionality is obsolete: use QwtPlotPicker or QwtPlotZoomer.

Parameters: pn new pen

Definition at line 865 of file qwt_plot.cpp.

References QwtPlotCanvas::setOutlinePen().

Specify the style of the outline.

Warning: Outlining functionality is obsolete: use QwtPlotPicker or QwtPlotZoomer.

The outline style determines which kind of shape is drawn in the plotting region when the user presses a mouse button or drags the mouse. Valid Styles are:

Parameters: os Outline Style. Valid values are: Qwt::HLine, Qwt::VLine, Qwt::Cross, Qwt::Rect, Qwt::Ellipse

Qwt::Cross

Cross hairs are drawn across the plotting area when the user presses a mouse button. The lines intersect at the point where the mouse was pressed and move with the mouse pointer.

Qwt::HLine, Qwt::VLine

A horizontal or vertical line appears when the user presses a mouse button. This is useful for moving line markers.

Qwt::Rect

A rectangle is displayed when the user drags the mouse. One corner is fixed at the point where the mouse was pressed, and the opposite corner moves with the mouse pointer. This can be used for selecting regions.

Qwt::Ellipse

Similar to Qwt::Rect, but with an ellipse inside a bounding rectangle.

See also: enableOutline()

Definition at line 852 of file qwt_plot.cpp.

References QwtPlotCanvas::setOutlineStyle().

Change the plot's title.

Parameters: t new title

Definition at line 205 of file qwt_plot.cpp.

Change the title font.

Parameters: f new title font

Definition at line 224 of file qwt_plot.cpp.

Return sizeHint

See also: QwtPlot::minimumSizeHint()

Definition at line 309 of file qwt_plot.cpp.

References QwtScaleDiv::majCnt(), minimumSizeHint(), QwtScale::minimumSizeHint(), QwtScaleDraw::scaleDiv(), and QwtScale::scaleDraw().

Returns: the plot's title

Definition at line 214 of file qwt_plot.cpp.

Returns: the plot's title font

Definition at line 232 of file qwt_plot.cpp.

Returns: the plot's titel label.

Definition at line 264 of file qwt_plot.cpp.

Returns: the plot's titel label.

Definition at line 256 of file qwt_plot.cpp.

Referenced by QwtPlotLayout::minimumSizeHint().

Transform a value into a coordinate in the plotting region.

Parameters: axis axis index

value value

Returns: X or y coordinate in the plotting region corresponding to the value.

Definition at line 284 of file qwt_plot_axis.cpp.

References axisValid(), canvasMap(), and QwtDiMap::transform().

Rebuild the scales and maps.

Definition at line 438 of file qwt_plot.cpp.

References QwtAutoScale::adjust(), QwtAutoScale::autoScale(), QwtCurve::boundingRect(), curveIterator(), QwtDoubleRect::isValid(), QwtScale::minBorderDist(), QwtAutoScale::reset(), QwtScale::setBorderDist(), QwtScale::setScaleDiv(), QwtGrid::setXDiv(), QwtGrid::setYDiv(), QwtDoubleRect::x1(), QwtDoubleRect::x2(), QwtPlotMappedItem::xAxis(), QwtDoubleRect::y1(), QwtDoubleRect::y2(), and QwtPlotMappedItem::yAxis().

Referenced by replot().

Adjust plot content to its current size.

See also: QwtPlot::resizeEvent

Definition at line 385 of file qwt_plot.cpp.

References QwtPlotLayout::activate(), QwtPlotLayout::canvasRect(), QwtLegend::itemCount(), QwtPlotLayout::legendRect(), QwtPlotLayout::scaleRect(), and QwtPlotLayout::titleRect().

Referenced by enableAxis(), enableLegend(), event(), insertCurve(), removeCurve(), resizeEvent(), setLegendFont(), setLegendFrameStyle(), setLegendPosition(), and setMargin().

Update a liegen item for a specified curve

Parameters: curve Curve

item Legend item

See also: QwtLegendButton, QwtLegend, insertLegendItem(), printLegendItem()

Definition at line 708 of file qwt_plot_curve.cpp.

References QwtLegend::displayPolicy(), QwtLegend::identifierMode(), QwtCurve::pen(), QwtLegendItem::setCurvePen(), QwtLegendItem::setIdentifierMode(), QwtLegendItem::setSymbol(), QwtLegendItem::setTitle(), QwtSymbol::style(), QwtCurve::style(), QwtCurve::symbol(), and QwtCurve::title().

Update the legend item of a specified curve

Parameters: curveKey curve key

See also: QwtLegendButton, QwtLegend, insertLegendItem(), printLegendItem()

Definition at line 669 of file qwt_plot_curve.cpp.

References curve(), and QwtLegend::findItem().

Referenced by insertLegendItem(), setCurveBrush(), setCurvePen(), setCurveStyle(), setCurveSymbol(), setCurveTitle(), and setLegendDisplayPolicy().

Update the focus tab order.

Definition at line 501 of file qwt_plot.cpp.

References QwtLegend::contentsWidget(), and QwtPlotLayout::legendPosition().

Referenced by setLegendPosition().

Designer API for axisEnabled.

Definition at line 150 of file qwt_plot.h.

Designer API for axisEnabled.

Definition at line 154 of file qwt_plot.h.

Designer API for axisEnabled.

Definition at line 162 of file qwt_plot.h.

Designer API for axisEnabled.

Definition at line 158 of file qwt_plot.h.