An annotation item which renders a fill symbol for a polygon geometry. More...

#include <qgsannotationpolygonitem.h>

Inheritance diagram for QgsAnnotationPolygonItem:

Public Member Functions
	QgsAnnotationPolygonItem (QgsCurvePolygon *polygon)
	Constructor for QgsAnnotationPolygonItem, with the specified polygon geometry. More...

	~QgsAnnotationPolygonItem () override

Qgis::AnnotationItemEditOperationResult	applyEdit (QgsAbstractAnnotationItemEditOperation *operation) override
	Applies an edit operation to the item. More...

QgsRectangle	boundingBox () const override
	Returns the bounding box of the item's geographic location, in the parent layer's coordinate reference system. More...

QgsAnnotationPolygonItem *	clone () override
	Returns a clone of the item. More...

const QgsCurvePolygon *	geometry () const
	Returns the geometry of the item. More...

QList< QgsAnnotationItemNode >	nodes () const override
	Returns the nodes for the item, used for editing the item. More...

bool	readXml (const QDomElement &element, const QgsReadWriteContext &context) override
	Reads the item's state from the given DOM element. More...

void	render (QgsRenderContext &context, QgsFeedback *feedback) override
	Renders the item to the specified render context. More...

void	setGeometry (QgsCurvePolygon *geometry)
	Sets the geometry of the item. More...

void	setSymbol (QgsFillSymbol *symbol)
	Sets the symbol used to render the polygon item. More...

const QgsFillSymbol *	symbol () const
	Returns the symbol used to render the item. More...

QgsAnnotationItemEditOperationTransientResults *	transientEditResults (QgsAbstractAnnotationItemEditOperation *operation) override
	Retrieves the results of a transient (in progress) edit operation on the item. More...

QString	type () const override
	Returns a unique (untranslated) string identifying the type of item. More...

bool	writeXml (QDomElement &element, QDomDocument &document, const QgsReadWriteContext &context) const override
	Writes the item's state into an XML element. More...

Public Member Functions inherited from QgsAnnotationItem
	QgsAnnotationItem ()=default
	Constructor for an annotation item. More...

	QgsAnnotationItem (const QgsAnnotationItem &other)=delete
	QgsAnnotationItem cannot be copied. More...

virtual	~QgsAnnotationItem ()=default

virtual QgsRectangle	boundingBox (QgsRenderContext &context) const
	Returns the bounding box of the item's geographic location, in the parent layer's coordinate reference system. More...

virtual Qgis::AnnotationItemFlags	flags () const
	Returns item flags. More...

QgsAnnotationItem &	operator= (const QgsAnnotationItem &other)=delete
	QgsAnnotationItem cannot be copied. More...

void	setSymbologyReferenceScale (double scale)
	Sets the annotation's symbology reference scale. More...

void	setUseSymbologyReferenceScale (bool enabled)
	Sets whether the annotation item uses a symbology reference scale. More...

void	setZIndex (int index)
	Sets the item's z index, which controls the order in which annotation items are rendered in the layer. More...

double	symbologyReferenceScale () const
	Returns the annotation's symbology reference scale. More...

bool	useSymbologyReferenceScale () const
	Returns `true` if the annotation item uses a symbology reference scale. More...

int	zIndex () const
	Returns the item's z index, which controls the order in which annotation items are rendered in the layer. More...

Static Public Member Functions
static QgsAnnotationPolygonItem *	create ()
	Creates a new polygon annotation item. More...

Additional Inherited Members
Protected Member Functions inherited from QgsAnnotationItem
void	copyCommonProperties (const QgsAnnotationItem *other)
	Copies common properties from the base class from an other item. More...

bool	readCommonProperties (const QDomElement &element, const QgsReadWriteContext &context)
	Reads common properties from the base class from the given DOM element. More...

bool	writeCommonProperties (QDomElement &element, QDomDocument &document, const QgsReadWriteContext &context) const
	Writes common properties from the base class into an XML element. More...

Detailed Description

An annotation item which renders a fill symbol for a polygon geometry.

Since: QGIS 3.16

Definition at line 32 of file qgsannotationpolygonitem.h.

Constructor & Destructor Documentation

◆ QgsAnnotationPolygonItem()

QgsAnnotationPolygonItem::QgsAnnotationPolygonItem ( QgsCurvePolygon * polygon )

Constructor for QgsAnnotationPolygonItem, with the specified polygon geometry.

Definition at line 26 of file qgsannotationpolygonitem.cpp.

◆ ~QgsAnnotationPolygonItem()

QgsAnnotationPolygonItem::~QgsAnnotationPolygonItem ( )

overridedefault

Member Function Documentation

◆ applyEdit()

Qgis::AnnotationItemEditOperationResult QgsAnnotationPolygonItem::applyEdit ( QgsAbstractAnnotationItemEditOperation * operation )

overridevirtual

Applies an edit operation to the item.

Since: QGIS 3.22

Reimplemented from QgsAnnotationItem.

Definition at line 125 of file qgsannotationpolygonitem.cpp.

◆ boundingBox()

QgsRectangle QgsAnnotationPolygonItem::boundingBox ( ) const

overridevirtual

Returns the bounding box of the item's geographic location, in the parent layer's coordinate reference system.

Implements QgsAnnotationItem.

Definition at line 228 of file qgsannotationpolygonitem.cpp.

◆ clone()

QgsAnnotationPolygonItem * QgsAnnotationPolygonItem::clone ( )

overridevirtual

Returns a clone of the item.

Ownership is transferred to the caller.

Implementations should include a call to copyCommonProperties() to copy the base class properties.

See also: copyCommonProperties()

Implements QgsAnnotationItem.

Definition at line 220 of file qgsannotationpolygonitem.cpp.

◆ create()

QgsAnnotationPolygonItem * QgsAnnotationPolygonItem::create ( )

static

Creates a new polygon annotation item.

Definition at line 200 of file qgsannotationpolygonitem.cpp.

◆ geometry()

const QgsCurvePolygon* QgsAnnotationPolygonItem::geometry ( ) const

inline

Returns the geometry of the item.

The coordinate reference system for the polygon will be the parent layer's QgsAnnotationLayer::crs().

See also: setGeometry()

Definition at line 78 of file qgsannotationpolygonitem.h.

◆ nodes()

QList< QgsAnnotationItemNode > QgsAnnotationPolygonItem::nodes ( ) const

overridevirtual

Returns the nodes for the item, used for editing the item.

Since: QGIS 3.22

Reimplemented from QgsAnnotationItem.

Definition at line 98 of file qgsannotationpolygonitem.cpp.

◆ readXml()

bool QgsAnnotationPolygonItem::readXml	(	const QDomElement &	element,
		const QgsReadWriteContext &	context
	)

overridevirtual

Reads the item's state from the given DOM element.

Implementations should include a call to readCommonProperties() to read the base class properties.

See also: writeXml(); readCommonProperties()

Implements QgsAnnotationItem.

Definition at line 205 of file qgsannotationpolygonitem.cpp.

◆ render()

void QgsAnnotationPolygonItem::render	(	QgsRenderContext &	context,
		QgsFeedback *	feedback
	)

overridevirtual

Renders the item to the specified render context.

The feedback argument can be used to detect render cancellations during expensive render operations.

Implements QgsAnnotationItem.

Definition at line 41 of file qgsannotationpolygonitem.cpp.

◆ setGeometry()

void QgsAnnotationPolygonItem::setGeometry ( QgsCurvePolygon * geometry )

inline

Sets the geometry of the item.

The coordinate reference system for the polygon will be the parent layer's QgsAnnotationLayer::crs().

See also: geometry()

Definition at line 87 of file qgsannotationpolygonitem.h.

◆ setSymbol()

void QgsAnnotationPolygonItem::setSymbol ( QgsFillSymbol * symbol )

Sets the symbol used to render the polygon item.

The item takes ownership of the symbol.

See also: symbol()

Definition at line 238 of file qgsannotationpolygonitem.cpp.

◆ symbol()

const QgsFillSymbol * QgsAnnotationPolygonItem::symbol ( ) const

Returns the symbol used to render the item.

See also: setSymbol()

Definition at line 233 of file qgsannotationpolygonitem.cpp.

◆ transientEditResults()

QgsAnnotationItemEditOperationTransientResults * QgsAnnotationPolygonItem::transientEditResults ( QgsAbstractAnnotationItemEditOperation * operation )

overridevirtual

Retrieves the results of a transient (in progress) edit operation on the item.