Container for settings relating to a text buffer. More...

#include <qgstextbuffersettings.h>

Public Member Functions
	QgsTextBufferSettings ()

	QgsTextBufferSettings (const QgsTextBufferSettings &other)
	Copy constructor.

	~QgsTextBufferSettings ()

QPainter::CompositionMode	blendMode () const
	Returns the blending mode used for drawing the buffer.

QColor	color () const
	Returns the color of the buffer.

bool	enabled () const
	Returns whether the buffer is enabled.

bool	fillBufferInterior () const
	Returns whether the interior of the buffer will be filled in.

Qt::PenJoinStyle	joinStyle () const
	Returns the buffer join style.

double	opacity () const
	Returns the buffer opacity.

bool	operator!= (const QgsTextBufferSettings &other) const

QgsTextBufferSettings &	operator= (const QgsTextBufferSettings &other)
	Copy constructor.

bool	operator== (const QgsTextBufferSettings &other) const

const QgsPaintEffect *	paintEffect () const
	Returns the current paint effect for the buffer.

void	readFromLayer (QgsVectorLayer *layer)
	Reads settings from a layer's custom properties (for QGIS 2.x projects).

void	readXml (const QDomElement &elem)
	Read settings from a DOM element.

QSet< QString >	referencedFields (const QgsRenderContext &context) const
	Returns all field names referenced by the configuration (e.g.

void	setBlendMode (QPainter::CompositionMode mode)
	Sets the blending mode used for drawing the buffer.

void	setColor (const QColor &color)
	Sets the color for the buffer.

void	setEnabled (bool enabled)
	Sets whether the text buffer will be drawn.

void	setFillBufferInterior (bool fill)
	Sets whether the interior of the buffer will be filled in.

void	setJoinStyle (Qt::PenJoinStyle style)
	Sets the join style used for drawing the buffer.

void	setOpacity (double opacity)
	Sets the buffer opacity.

void	setPaintEffect (QgsPaintEffect *effect)
	Sets the current paint effect for the buffer.

void	setSize (double size)
	Sets the size of the buffer.

void	setSizeMapUnitScale (const QgsMapUnitScale &scale)
	Sets the map unit scale object for the buffer size.

void	setSizeUnit (Qgis::RenderUnit unit)
	Sets the units used for the buffer size.

double	size () const
	Returns the size of the buffer.

QgsMapUnitScale	sizeMapUnitScale () const
	Returns the map unit scale object for the buffer size.

Qgis::RenderUnit	sizeUnit () const
	Returns the units for the buffer size.

void	updateDataDefinedProperties (QgsRenderContext &context, const QgsPropertyCollection &properties)
	Updates the format by evaluating current values of data defined properties.

QDomElement	writeXml (QDomDocument &doc) const
	Write settings into a DOM element.

Detailed Description

Container for settings relating to a text buffer.

Note: QgsTextBufferSettings objects are implicitly shared.

Definition at line 41 of file qgstextbuffersettings.h.

Constructor & Destructor Documentation

◆ QgsTextBufferSettings() [1/2]

QgsTextBufferSettings::QgsTextBufferSettings ( )

Definition at line 29 of file qgstextbuffersettings.cpp.

◆ QgsTextBufferSettings() [2/2]

QgsTextBufferSettings::QgsTextBufferSettings ( const QgsTextBufferSettings & other )

Copy constructor.

Parameters

other source settings

Definition at line 34 of file qgstextbuffersettings.cpp.

◆ ~QgsTextBufferSettings()

QgsTextBufferSettings::~QgsTextBufferSettings ( )

Definition at line 45 of file qgstextbuffersettings.cpp.

Member Function Documentation

◆ blendMode()

QPainter::CompositionMode QgsTextBufferSettings::blendMode ( ) const

Returns the blending mode used for drawing the buffer.

See also: setBlendMode()

Definition at line 155 of file qgstextbuffersettings.cpp.

◆ color()

QColor QgsTextBufferSettings::color ( ) const

Returns the color of the buffer.

See also: setColor()

Definition at line 115 of file qgstextbuffersettings.cpp.

◆ enabled()

bool QgsTextBufferSettings::enabled ( ) const

Returns whether the buffer is enabled.

See also: setEnabled()

Definition at line 75 of file qgstextbuffersettings.cpp.

◆ fillBufferInterior()

bool QgsTextBufferSettings::fillBufferInterior ( ) const

Returns whether the interior of the buffer will be filled in.

If false, only the stroke of the text will be drawn as the buffer. The effect of this setting is only visible for semi-transparent text.

See also: setFillBufferInterior()

Definition at line 125 of file qgstextbuffersettings.cpp.

◆ joinStyle()

Qt::PenJoinStyle QgsTextBufferSettings::joinStyle ( ) const

Returns the buffer join style.

See also: setJoinStyle

Definition at line 145 of file qgstextbuffersettings.cpp.

◆ opacity()

double QgsTextBufferSettings::opacity ( ) const

Returns the buffer opacity.

The opacity is a double value between 0 (fully transparent) and 1 (totally opaque).

See also: setOpacity()

Definition at line 135 of file qgstextbuffersettings.cpp.

◆ operator!=()

bool QgsTextBufferSettings::operator!= ( const QgsTextBufferSettings & other ) const

Definition at line 70 of file qgstextbuffersettings.cpp.

◆ operator=()

QgsTextBufferSettings & QgsTextBufferSettings::operator= ( const QgsTextBufferSettings & other )

Copy constructor.

Parameters

other source QgsTextBufferSettings

Definition at line 39 of file qgstextbuffersettings.cpp.

◆ operator==()

bool QgsTextBufferSettings::operator== ( const QgsTextBufferSettings & other ) const

Definition at line 50 of file qgstextbuffersettings.cpp.

◆ paintEffect()

const QgsPaintEffect * QgsTextBufferSettings::paintEffect ( ) const

Returns the current paint effect for the buffer.

Returns: paint effect

See also: setPaintEffect()

Definition at line 165 of file qgstextbuffersettings.cpp.

◆ readFromLayer()

void QgsTextBufferSettings::readFromLayer ( QgsVectorLayer * layer )

Reads settings from a layer's custom properties (for QGIS 2.x projects).

Parameters

layer source vector layer

Definition at line 242 of file qgstextbuffersettings.cpp.

◆ readXml()

void QgsTextBufferSettings::readXml ( const QDomElement & elem )

Read settings from a DOM element.

See also: writeXml()

Definition at line 313 of file qgstextbuffersettings.cpp.

◆ referencedFields()

QSet< QString > QgsTextBufferSettings::referencedFields ( const QgsRenderContext & context ) const

Returns all field names referenced by the configuration (e.g.

from data defined properties).

Since: QGIS 3.14

Definition at line 237 of file qgstextbuffersettings.cpp.

◆ setBlendMode()

void QgsTextBufferSettings::setBlendMode ( QPainter::CompositionMode mode )

Sets the blending mode used for drawing the buffer.

Parameters

mode	blending mode

See also: blendMode()

Definition at line 160 of file qgstextbuffersettings.cpp.

◆ setColor()

void QgsTextBufferSettings::setColor ( const QColor & color )

Sets the color for the buffer.

Parameters

color buffer color

See also: color()

Definition at line 120 of file qgstextbuffersettings.cpp.

◆ setEnabled()

void QgsTextBufferSettings::setEnabled ( bool enabled )

Sets whether the text buffer will be drawn.

Parameters

enabled set to true to draw buffer

See also: enabled()

Definition at line 80 of file qgstextbuffersettings.cpp.

◆ setFillBufferInterior()

void QgsTextBufferSettings::setFillBufferInterior ( bool fill )

Sets whether the interior of the buffer will be filled in.

Parameters

fill	set to `false` to drawn only the stroke of the text as the buffer, or `true` to also shade the area inside the text. The effect of this setting is only visible for semi-transparent text.

See also: fillBufferInterior()

Definition at line 130 of file qgstextbuffersettings.cpp.

◆ setJoinStyle()

void QgsTextBufferSettings::setJoinStyle ( Qt::PenJoinStyle style )

Sets the join style used for drawing the buffer.

Parameters

style join style

See also: joinStyle()

Definition at line 150 of file qgstextbuffersettings.cpp.

◆ setOpacity()

void QgsTextBufferSettings::setOpacity ( double opacity )

Sets the buffer opacity.

Parameters

opacity opacity as a double value between 0 (fully transparent) and 1 (totally opaque)

See also: opacity()

Definition at line 140 of file qgstextbuffersettings.cpp.

◆ setPaintEffect()

void QgsTextBufferSettings::setPaintEffect ( QgsPaintEffect * effect )

Sets the current paint effect for the buffer.

Parameters

effect paint effect. Ownership is transferred to the buffer settings.

See also: paintEffect()

Definition at line 170 of file qgstextbuffersettings.cpp.

◆ setSize()

void QgsTextBufferSettings::setSize ( double size )

Sets the size of the buffer.

The size units are specified using setSizeUnit().

Parameters

size	buffer size

See also: size(); setSizeUnit()

Definition at line 90 of file qgstextbuffersettings.cpp.

◆ setSizeMapUnitScale()

void QgsTextBufferSettings::setSizeMapUnitScale ( const QgsMapUnitScale & scale )

Sets the map unit scale object for the buffer size.

This is only used if the buffer size is set to QgsUnitTypes::RenderMapUnit.

Parameters

scale scale for buffer size

See also: sizeMapUnitScale(); setSizeUnit()

Definition at line 110 of file qgstextbuffersettings.cpp.

◆ setSizeUnit()

void QgsTextBufferSettings::setSizeUnit ( Qgis::RenderUnit unit )

Sets the units used for the buffer size.

Parameters

unit size unit

See also: setSize(); sizeUnit()

Definition at line 100 of file qgstextbuffersettings.cpp.

◆ size()

double QgsTextBufferSettings::size ( ) const

Returns the size of the buffer.

See also: sizeUnit(); setSize()

Definition at line 85 of file qgstextbuffersettings.cpp.

◆ sizeMapUnitScale()

QgsMapUnitScale QgsTextBufferSettings::sizeMapUnitScale ( ) const

Returns the map unit scale object for the buffer size.

This is only used if the buffer size is set to QgsUnitTypes::RenderMapUnit.

See also: setSizeMapUnitScale(); sizeUnit()

Definition at line 105 of file qgstextbuffersettings.cpp.

◆ sizeUnit()

Qgis::RenderUnit QgsTextBufferSettings::sizeUnit ( ) const

Returns the units for the buffer size.

See also: size(); setSizeUnit()

Definition at line 95 of file qgstextbuffersettings.cpp.

◆ updateDataDefinedProperties()

void QgsTextBufferSettings::updateDataDefinedProperties	(	QgsRenderContext &	context,
		const QgsPropertyCollection &	properties
	)

Updates the format by evaluating current values of data defined properties.

Since: QGIS 3.10

Definition at line 175 of file qgstextbuffersettings.cpp.

◆ writeXml()

QDomElement QgsTextBufferSettings::writeXml ( QDomDocument & doc ) const

Write settings into a DOM element.

See also: readXml()

Definition at line 380 of file qgstextbuffersettings.cpp.

The documentation for this class was generated from the following files:

/home/fischer/src/qgis-3.38/src/core/textrenderer/qgstextbuffersettings.h
/home/fischer/src/qgis-3.38/src/core/textrenderer/qgstextbuffersettings.cpp

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ QgsTextBufferSettings() [1/2]

◆ QgsTextBufferSettings() [2/2]

◆ ~QgsTextBufferSettings()

Member Function Documentation

◆ blendMode()

◆ color()

◆ enabled()

◆ fillBufferInterior()

◆ joinStyle()

◆ opacity()

◆ operator!=()

◆ operator=()

◆ operator==()

◆ paintEffect()

◆ readFromLayer()

◆ readXml()

◆ referencedFields()

◆ setBlendMode()

◆ setColor()

◆ setEnabled()

◆ setFillBufferInterior()

◆ setJoinStyle()

◆ setOpacity()

◆ setPaintEffect()

◆ setSize()

◆ setSizeMapUnitScale()

◆ setSizeUnit()

◆ size()

◆ sizeMapUnitScale()

◆ sizeUnit()

◆ updateDataDefinedProperties()

◆ writeXml()