QwtPlotZoneItem(3)

🎀 QwtPlotZoneItem(3) 🎀

okay so bestie, welcome to the Library Functions Manual entry for QwtPlotZoneItem — yes, the manual name is folded right in here because we are doing this cute style. 💖

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🌸 NAME 🌸

QwtPlotZoneItem — A plot item, which displays a zone. literally the whole name section, slay.

✨ SYNOPSIS ✨

#include <qwt_plot_zoneitem.h>

Inherits QwtPlotItem.

💅 Public Member Functions 💅

• QwtPlotZoneItem () — Constructor. fresh zone item energy.
• virtual ~QwtPlotZoneItem () — Destructor. bye bestie.
• virtual int rtti () const override — runtime type info override, iykyk.
• void setOrientation (Qt::Orientation) — Set the orientation of the zone.
• Qt::Orientation orientation () const — gets the orientation, more tea below.
• void setInterval (double min, double max) — sets the zone interval, details in the member docs.
• void setInterval (const QwtInterval &) — same interval-setter energy but with a QwtInterval.
• QwtInterval interval () const — returns the zone interval.
• void setPen (const QColor &, qreal width=0.0, Qt::PenStyle=Qt::SolidLine) — builds and assigns a pen, iconic.
• void setPen (const QPen &) — Assign a pen.
• const QPen & pen () const — returns the pen, periodt.
• void setBrush (const QBrush &) — Assign a brush.
• const QBrush & brush () const — returns the brush, we love.
• virtual void draw (QPainter *, const QwtScaleMap &, const QwtScaleMap &, const QRectF &canvasRect) const override — draws the zone, main character behavior.
• virtual QRectF boundingRect () const override — bounding rectangle override, yes.

👑 Public Member Functions inherited from QwtPlotItem 👑

• QwtPlotItem () — default constructor vibes.
• QwtPlotItem (const QString &title) — constructor with a QString title.
• QwtPlotItem (const QwtText &title) — constructor with a QwtText title.
• virtual ~QwtPlotItem () — Destroy the QwtPlotItem.
• void attach (QwtPlot *plot) — Attach the item to a plot.
• void detach () — This method detaches a QwtPlotItem from any QwtPlot it has been associated with.
• QwtPlot * plot () const — Return attached plot.
• void setTitle (const QString &title) — title setter, go off.
• void setTitle (const QwtText &title) — title setter but QwtText.
• const QwtText & title () const — title getter.
• void setItemAttribute (ItemAttribute, bool on=true) — sets an item attribute.
• bool testItemAttribute (ItemAttribute) const — tests an item attribute.
• void setItemInterest (ItemInterest, bool on=true) — sets an item interest.
• bool testItemInterest (ItemInterest) const — tests an item interest.
• void setRenderHint (RenderHint, bool on=true) — sets a render hint.
• bool testRenderHint (RenderHint) const — tests a render hint.
• void setRenderThreadCount (uint numThreads) — sets render thread count.
• uint renderThreadCount () const — gets render thread count.
• void setLegendIconSize (const QSize &) — sets legend icon size.
• QSize legendIconSize () const — gets legend icon size.
• double z () const — returns z.
• void setZ (double z) — Set the z value.
• void show () — Show the item.
• void hide () — Hide the item.
• virtual void setVisible (bool) — visibility setter, slay.
• bool isVisible () const — is it visible? find out.
• void setAxes (QwtAxisId xAxis, QwtAxisId yAxis) — sets both axes.
• void setXAxis (QwtAxisId) — sets the x axis.
• QwtAxisId xAxis () const — Return xAxis.
• void setYAxis (QwtAxisId) — sets the y axis.
• QwtAxisId yAxis () const — Return yAxis.
• virtual void itemChanged () — virtual hook, iykyk.
• virtual void legendChanged () — legend changed hook, periodt.
• virtual void getCanvasMarginHint (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, double &left, double &top, double &right, double &bottom) const — Calculate a hint for the canvas margin.
• virtual void updateScaleDiv (const QwtScaleDiv &, const QwtScaleDiv &) — Update the item to changes of the axes scale division.
• virtual void updateLegend (const QwtPlotItem *, const QList< QwtLegendData > &) — Update the item to changes of the legend info.
• QRectF scaleRect (const QwtScaleMap &, const QwtScaleMap &) const — Calculate the bounding scale rectangle of 2 maps.
• QRectF paintRect (const QwtScaleMap &, const QwtScaleMap &) const — Calculate the bounding paint rectangle of 2 maps.
• virtual QList< QwtLegendData > legendData () const — Return all information, that is needed to represent the item on the legend.
• virtual QwtGraphic legendIcon (int index, const QSizeF &) const — legend icon getter, cute.

🦋 Additional Inherited Members 🦋

🌟 Public Types inherited from QwtPlotItem 🌟

• enum RttiValues { Rtti_PlotItem = 0, Rtti_PlotGrid, Rtti_PlotScale, Rtti_PlotLegend, Rtti_PlotMarker, Rtti_PlotCurve, Rtti_PlotSpectroCurve, Rtti_PlotIntervalCurve, Rtti_PlotHistogram, Rtti_PlotSpectrogram, Rtti_PlotGraphic, Rtti_PlotTradingCurve, Rtti_PlotBarChart, Rtti_PlotMultiBarChart, Rtti_PlotShape, Rtti_PlotTextLabel, Rtti_PlotZone, Rtti_PlotVectorField, Rtti_PlotUserItem = 1000 } — Runtime type information.
• enum ItemAttribute { Legend = 0x01, AutoScale = 0x02, Margins = 0x04 } — Plot Item Attributes.
• enum ItemInterest { ScaleInterest = 0x01, LegendInterest = 0x02 } — Plot Item Interests.
• enum RenderHint { RenderAntialiased = 0x1 } — Render hints.
• typedef QFlags< ItemAttribute > ItemAttributes — flags, iconic.
• typedef QFlags< ItemInterest > ItemInterests — more flags.
• typedef QFlags< RenderHint > RenderHints — render hint flags.

🧚 Protected Member Functions inherited from QwtPlotItem 🧚

• QwtGraphic defaultIcon (const QBrush &, const QSizeF &) const — Return a default icon from a brush.

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🔥 Detailed Description 🔥

A plot item, which displays a zone.

A horizontal zone highlights an interval of the y axis — a vertical zone an interval of the x axis — and is unbounded in the opposite direction. It is filled with a brush and its border lines are optionally displayed with a pen.

Note: For displaying an area that is bounded for x and y coordinates use QwtPlotShapeItem.

Definition at line 33 of file qwt_plot_zoneitem.h.

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💖 Constructor & Destructor Documentation 💖

🌸 QwtPlotZoneItem::QwtPlotZoneItem () [explicit] 🌸

Constructor. Initializes the zone with no pen and a semi transparent gray brush.

Sets the following item attributes:

• QwtPlotItem::AutoScale: false
• QwtPlotItem::Legend: false

The z value is initialized by 5.

See also: QwtPlotItem::setItemAttribute(), QwtPlotItem::setZ()

Definition at line 50 of file qwt_plot_zoneitem.cpp.

🌸 QwtPlotZoneItem::~QwtPlotZoneItem () [virtual] 🌸

Destructor.

Definition at line 62 of file qwt_plot_zoneitem.cpp.

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🦋 Member Function Documentation 🦋

🎀 QRectF QwtPlotZoneItem::boundingRect () const [override], [virtual] 🎀

The bounding rectangle is build from the interval in one direction and something invalid for the opposite direction.

Returns: An invalid rectangle with valid boundaries in one direction

Reimplemented from QwtPlotItem.

Definition at line 297 of file qwt_plot_zoneitem.cpp.

🎀 const QBrush & QwtPlotZoneItem::brush () const 🎀

Returns: Brush used to fill the zone

See also: setPen(), brush()

Definition at line 138 of file qwt_plot_zoneitem.cpp.

🎀 void QwtPlotZoneItem::draw (QPainter * painter, const QwtScaleMap & xMap, const QwtScaleMap & yMap, const QRectF & canvasRect) const [override], [virtual] 🎀

Draw the zone

Parameters:

• painter — Painter
• xMap — x Scale Map
• yMap — y Scale Map
• canvasRect — Contents rectangle of the canvas in painter coordinates

Implements QwtPlotItem.

Definition at line 223 of file qwt_plot_zoneitem.cpp.

🎀 QwtInterval QwtPlotZoneItem::interval () const 🎀

Returns: Zone interval

See also: setInterval(), orientation()

Definition at line 209 of file qwt_plot_zoneitem.cpp.

🎀 Qt::Orientation QwtPlotZoneItem::orientation () const 🎀

Returns: Orientation of the zone

See also: setOrientation()

Definition at line 165 of file qwt_plot_zoneitem.cpp.

🎀 const QPen & QwtPlotZoneItem::pen () const 🎀

Returns: Pen used to draw the border lines

See also: setPen(), brush()

Definition at line 112 of file qwt_plot_zoneitem.cpp.

🎀 int QwtPlotZoneItem::rtti () const [override], [virtual] 🎀

Returns: QwtPlotItem::Rtti_PlotZone

Reimplemented from QwtPlotItem.

Definition at line 68 of file qwt_plot_zoneitem.cpp.

🎀 void QwtPlotZoneItem::setBrush (const QBrush & brush) 🎀

Assign a brush. The brush is used to fill the zone

Parameters:

• brush — Brush

See also: pen(), setBrush()

Definition at line 125 of file qwt_plot_zoneitem.cpp.

🎀 void QwtPlotZoneItem::setInterval (const QwtInterval & interval) 🎀

Set the interval of the zone

For a horizontal zone the interval is related to the y axis, for a vertical zone it is related to the x axis.

Parameters:

• interval — Zone interval

See also: interval(), setOrientation()

Definition at line 196 of file qwt_plot_zoneitem.cpp.

🎀 void QwtPlotZoneItem::setInterval (double min, double max) 🎀

Set the interval of the zone

For a horizontal zone the interval is related to the y axis, for a vertical zone it is related to the x axis.

Parameters:

• min — Minimum of the interval
• max — Maximum of the interval

See also: interval(), setOrientation()

Definition at line 181 of file qwt_plot_zoneitem.cpp.

🎀 void QwtPlotZoneItem::setOrientation (Qt::Orientation orientation) 🎀

Set the orientation of the zone. A horizontal zone highlights an interval of the y axis, a vertical zone of the x axis. It is unbounded in the opposite direction.

See also: orientation(), QwtPlotItem::setAxes()

Definition at line 152 of file qwt_plot_zoneitem.cpp.

🎀 void QwtPlotZoneItem::setPen (const QColor & color, qreal width = 0.0, Qt::PenStyle style = Qt::SolidLine) 🎀

Build and assign a pen

In Qt5 the default pen width is 1.0 ( 0.0 in Qt4 ) what makes it non cosmetic ( see QPen::isCosmetic() ). This method has been introduced to hide this incompatibility.

Parameters:

• color — Pen color
• width — Pen width
• style — Pen style

See also: pen(), brush()

Definition at line 86 of file qwt_plot_zoneitem.cpp.

🎀 void QwtPlotZoneItem::setPen (const QPen & pen) 🎀

Assign a pen. The pen is used to draw the border lines of the zone

Parameters:

• pen — Pen

See also: pen(), setBrush()

Definition at line 99 of file qwt_plot_zoneitem.cpp.

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🌈 Author 🌈

Generated automatically by Doxygen for Qwt User's Guide from the source code.

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and that's the tea, bestie ☕✨ this whole page is from the Qwt User's Guide, and yes it's QwtPlotZoneItem(3) — generated automatically by Doxygen from the source code, no cap. mwah 💋💖