QGIS API Documentation
3.16.0-Hannover (43b64b13f3)
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An annotation item which renders a text string at a point location. More...
#include <qgsannotationpointtextitem.h>
Public Member Functions | |
QgsAnnotationPointTextItem (const QString &text, QgsPointXY point) | |
Constructor for QgsAnnotationPointTextItem, containing the specified text at the specified point. More... | |
~QgsAnnotationPointTextItem () override | |
Qt::Alignment | alignment () const |
Returns the text's alignment relative to the reference point(). More... | |
double | angle () const |
Returns the text's rotation angle, in degrees clockwise. More... | |
QgsRectangle | boundingBox () const override |
Returns the bounding box of the item's geographic location, in the parent layer's coordinate reference system. More... | |
QgsAnnotationPointTextItem * | clone () override |
Returns a clone of the item. More... | |
QgsTextFormat | format () const |
Returns the text format used to render the text. More... | |
QgsPointXY | point () const |
Returns the point location of the text. 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 | setAlignment (Qt::Alignment alignment) |
Sets the text's alignment relative to the reference point(). More... | |
void | setAngle (double angle) |
Sets the text's rotation angle, in degrees clockwise. More... | |
void | setFormat (const QgsTextFormat &format) |
Sets the text format used to render the text. More... | |
void | setPoint (QgsPointXY point) |
Sets the point location of the text. More... | |
void | setText (const QString &text) |
Sets the text rendered by the item. More... | |
QString | text () const |
Returns the text rendered by 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 |
QgsAnnotationItem & | operator= (const QgsAnnotationItem &other)=delete |
QgsAnnotationItem cannot be copied. 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... | |
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 QgsAnnotationPointTextItem * | create () |
Creates a new text at point annotation item. More... | |
An annotation item which renders a text string at a point location.
Definition at line 33 of file qgsannotationpointtextitem.h.
QgsAnnotationPointTextItem::QgsAnnotationPointTextItem | ( | const QString & | text, |
QgsPointXY | point | ||
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Constructor for QgsAnnotationPointTextItem, containing the specified text at the specified point.
Definition at line 21 of file qgsannotationpointtextitem.cpp.
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overridedefault |
Qt::Alignment QgsAnnotationPointTextItem::alignment | ( | ) | const |
Returns the text's alignment relative to the reference point().
Definition at line 124 of file qgsannotationpointtextitem.cpp.
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inline |
Returns the text's rotation angle, in degrees clockwise.
Definition at line 107 of file qgsannotationpointtextitem.h.
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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 109 of file qgsannotationpointtextitem.cpp.
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overridevirtual |
Returns a clone of the item.
Ownership is transferred to the caller.
Implements QgsAnnotationItem.
Definition at line 99 of file qgsannotationpointtextitem.cpp.
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static |
Creates a new text at point annotation item.
Definition at line 73 of file qgsannotationpointtextitem.cpp.
QgsTextFormat QgsAnnotationPointTextItem::format | ( | ) | const |
Returns the text format used to render the text.
Definition at line 114 of file qgsannotationpointtextitem.cpp.
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inline |
Returns the point location of the text.
The coordinate reference system for the point will be the parent layer's QgsAnnotationLayer::crs().
Definition at line 63 of file qgsannotationpointtextitem.h.
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overridevirtual |
Reads the item's state from the given DOM element.
Implements QgsAnnotationItem.
Definition at line 78 of file qgsannotationpointtextitem.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 36 of file qgsannotationpointtextitem.cpp.
void QgsAnnotationPointTextItem::setAlignment | ( | Qt::Alignment | alignment | ) |
Sets the text's alignment relative to the reference point().
Definition at line 129 of file qgsannotationpointtextitem.cpp.
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inline |
Sets the text's rotation angle, in degrees clockwise.
Definition at line 114 of file qgsannotationpointtextitem.h.
void QgsAnnotationPointTextItem::setFormat | ( | const QgsTextFormat & | format | ) |
Sets the text format used to render the text.
Definition at line 119 of file qgsannotationpointtextitem.cpp.
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inline |
Sets the point location of the text.
The coordinate reference system for the point will be the parent layer's QgsAnnotationLayer::crs().
Definition at line 72 of file qgsannotationpointtextitem.h.
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inline |
Sets the text rendered by the item.
Definition at line 86 of file qgsannotationpointtextitem.h.
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inline |
Returns the text rendered by the item.
Definition at line 79 of file qgsannotationpointtextitem.h.
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overridevirtual |
Returns a unique (untranslated) string identifying the type of item.
Implements QgsAnnotationItem.
Definition at line 31 of file qgsannotationpointtextitem.cpp.
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overridevirtual |
Writes the item's state into an XML element.
Implements QgsAnnotationItem.
Definition at line 57 of file qgsannotationpointtextitem.cpp.