QGIS API Documentation 3.28.0-Firenze (ed3ad0430f)
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An annotation item which renders a marker symbol at a point location. More...
#include <qgsannotationmarkeritem.h>
Public Member Functions | |
QgsAnnotationMarkerItem (const QgsPoint &point) | |
Constructor for QgsAnnotationMarkerItem, at the specified point. More... | |
~QgsAnnotationMarkerItem () 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... | |
QgsRectangle | boundingBox (QgsRenderContext &context) const override |
Returns the bounding box of the item's geographic location, in the parent layer's coordinate reference system. More... | |
QgsAnnotationMarkerItem * | clone () override |
Returns a clone of the item. More... | |
Qgis::AnnotationItemFlags | flags () const override |
Returns item flags. More... | |
QgsPointXY | geometry () const |
Returns the point geometry of the marker. 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 (const QgsPoint &geometry) |
Sets the point geometry location of the marker. More... | |
void | setSymbol (QgsMarkerSymbol *symbol) |
Sets the symbol used to render the marker item. More... | |
const QgsMarkerSymbol * | symbol () const |
Returns the symbol used to render the marker 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 Qgis::AnnotationItemEditOperationResult | applyEdit (QgsAbstractAnnotationItemEditOperation *operation) |
Applies an edit operation to the item. More... | |
virtual QgsRectangle | boundingBox () const =0 |
Returns the bounding box of the item's geographic location, in the parent layer's coordinate reference system. More... | |
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 QgsAnnotationItem * | clone ()=0 |
Returns a clone of the item. More... | |
virtual Qgis::AnnotationItemFlags | flags () const |
Returns item flags. More... | |
virtual QList< QgsAnnotationItemNode > | nodes () const |
Returns the nodes for the item, used for editing the item. More... | |
QgsAnnotationItem & | operator= (const QgsAnnotationItem &other)=delete |
QgsAnnotationItem cannot be copied. More... | |
virtual bool | readXml (const QDomElement &element, const QgsReadWriteContext &context)=0 |
Reads the item's state from the given DOM element. More... | |
virtual void | render (QgsRenderContext &context, QgsFeedback *feedback)=0 |
Renders the item to the specified render context. 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... | |
virtual QgsAnnotationItemEditOperationTransientResults * | transientEditResults (QgsAbstractAnnotationItemEditOperation *operation) |
Retrieves the results of a transient (in progress) edit operation on the item. More... | |
virtual QString | type () const =0 |
Returns a unique (untranslated) string identifying the type of item. More... | |
bool | useSymbologyReferenceScale () const |
Returns true if the annotation item uses a symbology reference scale. More... | |
virtual bool | writeXml (QDomElement &element, QDomDocument &document, const QgsReadWriteContext &context) const =0 |
Writes the item's state into an XML element. 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 QgsAnnotationMarkerItem * | create () |
Creates a new marker 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... | |
An annotation item which renders a marker symbol at a point location.
Definition at line 32 of file qgsannotationmarkeritem.h.
QgsAnnotationMarkerItem::QgsAnnotationMarkerItem | ( | const QgsPoint & | point | ) |
Constructor for QgsAnnotationMarkerItem, at the specified point.
Definition at line 25 of file qgsannotationmarkeritem.cpp.
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overridedefault |
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overridevirtual |
Applies an edit operation to the item.
Reimplemented from QgsAnnotationItem.
Definition at line 83 of file qgsannotationmarkeritem.cpp.
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overridevirtual |
Returns the bounding box of the item's geographic location, in the parent layer's coordinate reference system.
Implements QgsAnnotationItem.
Definition at line 164 of file qgsannotationmarkeritem.cpp.
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overridevirtual |
Returns the bounding box of the item's geographic location, in the parent layer's coordinate reference system.
Reimplemented from QgsAnnotationItem.
Definition at line 169 of file qgsannotationmarkeritem.cpp.
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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.
Implements QgsAnnotationItem.
Definition at line 156 of file qgsannotationmarkeritem.cpp.
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static |
Creates a new marker annotation item.
Definition at line 137 of file qgsannotationmarkeritem.cpp.
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overridevirtual |
Returns item flags.
Reimplemented from QgsAnnotationItem.
Definition at line 72 of file qgsannotationmarkeritem.cpp.
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inline |
Returns the point geometry of the marker.
The coordinate reference system for the point will be the parent layer's QgsAnnotationLayer::crs().
Definition at line 67 of file qgsannotationmarkeritem.h.
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overridevirtual |
Returns the nodes for the item, used for editing the item.
Reimplemented from QgsAnnotationItem.
Definition at line 78 of file qgsannotationmarkeritem.cpp.
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overridevirtual |
Reads the item's state from the given DOM element.
Implementations should include a call to readCommonProperties() to read the base class properties.
Implements QgsAnnotationItem.
Definition at line 142 of file qgsannotationmarkeritem.cpp.
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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 40 of file qgsannotationmarkeritem.cpp.
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inline |
Sets the point geometry location of the marker.
The coordinate reference system for the point will be the parent layer's QgsAnnotationLayer::crs().
Definition at line 76 of file qgsannotationmarkeritem.h.
void QgsAnnotationMarkerItem::setSymbol | ( | QgsMarkerSymbol * | symbol | ) |
Sets the symbol used to render the marker item.
The item takes ownership of the symbol.
Definition at line 203 of file qgsannotationmarkeritem.cpp.
const QgsMarkerSymbol * QgsAnnotationMarkerItem::symbol | ( | ) | const |
Returns the symbol used to render the marker item.
Definition at line 198 of file qgsannotationmarkeritem.cpp.
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overridevirtual |
Retrieves the results of a transient (in progress) edit operation on the item.
Reimplemented from QgsAnnotationItem.
Definition at line 114 of file qgsannotationmarkeritem.cpp.
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overridevirtual |
Returns a unique (untranslated) string identifying the type of item.
Implements QgsAnnotationItem.
Definition at line 35 of file qgsannotationmarkeritem.cpp.
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overridevirtual |
Writes the item's state into an XML element.
Implementations should include a call to writeCommonProperties() to store the base class properties.
Implements QgsAnnotationItem.
Definition at line 61 of file qgsannotationmarkeritem.cpp.