#include <qgstextformat.h>

Public Types
enum	TextOrientation { HorizontalOrientation, VerticalOrientation, RotationBasedOrientation }
	Text orientation. More...

Public Member Functions
	QgsTextFormat ()

	QgsTextFormat (const QgsTextFormat &other)
	Copy constructor. More...

	~QgsTextFormat ()

bool	allowHtmlFormatting () const
	Returns `true` if text should be treated as a HTML document and HTML tags should be used for formatting the rendered text. More...

QgsTextBackgroundSettings &	background ()
	Returns a reference to the text background settings. More...

QgsTextBackgroundSettings	background () const
	Returns a reference to the text background settings. More...

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

QgsTextBufferSettings &	buffer ()
	Returns a reference to the text buffer settings. More...

QgsTextBufferSettings	buffer () const
	Returns a reference to the text buffer settings. More...

QColor	color () const
	Returns the color that text will be rendered in. More...

bool	containsAdvancedEffects () const
	Returns `true` if any component of the font format requires advanced effects such as blend modes, which require output in raster formats to be fully respected. More...

QgsPropertyCollection &	dataDefinedProperties ()
	Returns a reference to the format's property collection, used for data defined overrides. More...

const QgsPropertyCollection &	dataDefinedProperties () const
	Returns a reference to the format's property collection, used for data defined overrides. More...

QFont	font () const
	Returns the font used for rendering text. More...

bool	fontFound () const
	Returns `true` if the specified font was found on the system, or `false` if the font was not found and a replacement was used instead. More...

double	lineHeight () const
	Returns the line height for text. More...

QgsTextMaskSettings &	mask ()
	Returns a reference to the masking settings. More...

QgsTextMaskSettings	mask () const
	Returns a reference to the masking settings. More...

QString	namedStyle () const
	Returns the named style for the font used for rendering text (e.g., "bold"). More...

double	opacity () const
	Returns the text's opacity. More...

QgsTextFormat &	operator= (const QgsTextFormat &other)

TextOrientation	orientation () const
	Returns the orientation of the text. More...

QColor	previewBackgroundColor () const
	Returns the background color for text previews. More...

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

void	readXml (const QDomElement &elem, const QgsReadWriteContext &context)
	Read settings from a DOM element. More...

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

QString	resolvedFontFamily () const
	Returns the family for the resolved font, ie if the specified font was not found on the system this will return the name of the replacement font. More...

QFont	scaledFont (const QgsRenderContext &context) const
	Returns a font with the size scaled to match the format's size settings (including units and map unit scale) for a specified render context. More...

void	setAllowHtmlFormatting (bool allow)
	Sets whether text should be treated as a HTML document and HTML tags should be used for formatting the rendered text. More...

void	setBackground (const QgsTextBackgroundSettings &backgroundSettings)
	Sets the text's background settings.q. More...

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

void	setBuffer (const QgsTextBufferSettings &bufferSettings)
	Sets the text's buffer settings. More...

void	setColor (const QColor &color)
	Sets the color that text will be rendered in. More...

void	setDataDefinedProperties (const QgsPropertyCollection &collection)
	Sets the format's property collection, used for data defined overrides. More...

void	setFont (const QFont &font)
	Sets the font used for rendering text. More...

void	setLineHeight (double height)
	Sets the line height for text. More...

void	setMask (const QgsTextMaskSettings &maskSettings)
	Sets the text's masking settings. More...

void	setNamedStyle (const QString &style)
	Sets the named style for the font used for rendering text. More...

void	setOpacity (double opacity)
	Sets the text's opacity. More...

void	setOrientation (TextOrientation orientation)
	Sets the orientation for the text. More...

void	setPreviewBackgroundColor (const QColor &color)
	Sets the background color that text will be rendered on for previews. More...

void	setShadow (const QgsTextShadowSettings &shadowSettings)
	Sets the text's drop shadow settings. More...

void	setSize (double size)
	Sets the size for rendered text. More...

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

void	setSizeUnit (QgsUnitTypes::RenderUnit unit)
	Sets the units for the size of rendered text. More...

QgsTextShadowSettings &	shadow ()
	Returns a reference to the text drop shadow settings. More...

QgsTextShadowSettings	shadow () const
	Returns a reference to the text drop shadow settings. More...

double	size () const
	Returns the size for rendered text. More...

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

QgsUnitTypes::RenderUnit	sizeUnit () const
	Returns the units for the size of rendered text. More...

QMimeData *	toMimeData () const
	Returns new mime data representing the text format settings. More...

QFont	toQFont () const
	Returns a QFont matching the relevant settings from this text format. More...

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

QDomElement	writeXml (QDomDocument &doc, const QgsReadWriteContext &context) const
	Write settings into a DOM element. More...

Static Public Member Functions
static QgsTextFormat	fromMimeData (const QMimeData data, bool ok=nullptr)
	Attempts to parse the provided mime data as a QgsTextFormat. More...

static QgsTextFormat	fromQFont (const QFont &font)
	Returns a text format matching the settings from an input font. More...

static QPixmap	textFormatPreviewPixmap (const QgsTextFormat &format, QSize size, const QString &previewText=QString(), int padding=0)
	Returns a pixmap preview for a text format. More...

Detailed Description

Container for all settings relating to text rendering.

Note: QgsTextFormat objects are implicitly shared.

Since: QGIS 3.0

Definition at line 38 of file qgstextformat.h.

Member Enumeration Documentation

◆ TextOrientation

enum QgsTextFormat::TextOrientation

Text orientation.

Enumerator
HorizontalOrientation	Vertically oriented text.
VerticalOrientation	Horizontally oriented text.
RotationBasedOrientation	Horizontally or vertically oriented text based on rotation (only available for map labeling)

Definition at line 43 of file qgstextformat.h.

Constructor & Destructor Documentation

◆ QgsTextFormat() [1/2]

QgsTextFormat::QgsTextFormat ( )

Definition at line 28 of file qgstextformat.cpp.

◆ QgsTextFormat() [2/2]

QgsTextFormat::QgsTextFormat ( const QgsTextFormat & other )

Copy constructor.

Parameters

other source QgsTextFormat

Definition at line 33 of file qgstextformat.cpp.

◆ ~QgsTextFormat()

QgsTextFormat::~QgsTextFormat ( )

Definition at line 57 of file qgstextformat.cpp.

Member Function Documentation

◆ allowHtmlFormatting()

bool QgsTextFormat::allowHtmlFormatting ( ) const

Returns true if text should be treated as a HTML document and HTML tags should be used for formatting the rendered text.

Warning: Only a small subset of HTML formatting is supported. Currently this is restricted to:

text color formatting
strikethrough
underline
overline

See also: setAllowHtmlFormatting()

Since: QGIS 3.14

Definition at line 176 of file qgstextformat.cpp.

◆ background() [1/2]

QgsTextBackgroundSettings& QgsTextFormat::background ( )

inline

Returns a reference to the text background settings.

See also: setBackground()

Definition at line 85 of file qgstextformat.h.

◆ background() [2/2]

QgsTextBackgroundSettings QgsTextFormat::background ( ) const

inline

Returns a reference to the text background settings.

See also: setBackground()

Definition at line 91 of file qgstextformat.h.

◆ blendMode()

QPainter::CompositionMode QgsTextFormat::blendMode ( ) const

Returns the blending mode used for drawing the text.

See also: setBlendMode()

Definition at line 146 of file qgstextformat.cpp.

◆ buffer() [1/2]

QgsTextBufferSettings& QgsTextFormat::buffer ( )

inline

Returns a reference to the text buffer settings.

See also: setBuffer()

Definition at line 66 of file qgstextformat.h.

◆ buffer() [2/2]

QgsTextBufferSettings QgsTextFormat::buffer ( ) const

inline

Returns a reference to the text buffer settings.

See also: setBuffer()

Definition at line 72 of file qgstextformat.h.

◆ color()

QColor QgsTextFormat::color ( ) const

Returns the color that text will be rendered in.

See also: setColor()

Definition at line 126 of file qgstextformat.cpp.

◆ containsAdvancedEffects()

bool QgsTextFormat::containsAdvancedEffects ( ) const

Returns true if any component of the font format requires advanced effects such as blend modes, which require output in raster formats to be fully respected.

Definition at line 552 of file qgstextformat.cpp.

◆ dataDefinedProperties() [1/2]

const QgsPropertyCollection & QgsTextFormat::dataDefinedProperties ( )

Returns a reference to the format's property collection, used for data defined overrides.

See also: setDataDefinedProperties()

Since: QGIS 3.10

Definition at line 569 of file qgstextformat.cpp.

◆ dataDefinedProperties() [2/2]

const QgsPropertyCollection& QgsTextFormat::dataDefinedProperties ( ) const

Returns a reference to the format's property collection, used for data defined overrides.

See also: setDataDefinedProperties()

Note: not available in Python bindings

Since: QGIS 3.10

◆ font()

QFont QgsTextFormat::font ( ) const

Returns the font used for rendering text.

Note that the size of the font is not used, and size() should be called instead to determine the size of rendered text.

See also: scaledFont(); setFont(); namedStyle(); toQFont()

Definition at line 62 of file qgstextformat.cpp.

◆ fontFound()

bool QgsTextFormat::fontFound ( ) const

inline

Returns true if the specified font was found on the system, or false if the font was not found and a replacement was used instead.

See also: resolvedFontFamily()

Definition at line 416 of file qgstextformat.h.

◆ fromMimeData()

QgsTextFormat QgsTextFormat::fromMimeData	(	const QMimeData *	data,
		bool *	ok = `nullptr`
	)

static

Attempts to parse the provided mime data as a QgsTextFormat.

If data can be parsed as a text format, ok will be set to true.

See also: toMimeData()

Definition at line 524 of file qgstextformat.cpp.

◆ fromQFont()

QgsTextFormat QgsTextFormat::fromQFont ( const QFont & font )

static

Returns a text format matching the settings from an input font.

Unlike setFont(), this method also handles the size and size units from font.

See also: toQFont()

Since: QGIS 3.2

Definition at line 475 of file qgstextformat.cpp.

◆ lineHeight()

double QgsTextFormat::lineHeight ( ) const

Returns the line height for text.

This is a number between 0.0 and 10.0 representing the leading between lines as a multiplier of line height.

See also: setLineHeight()

Definition at line 156 of file qgstextformat.cpp.

◆ mask() [1/2]

QgsTextMaskSettings& QgsTextFormat::mask ( )

inline

Returns a reference to the masking settings.

See also: setMask()

Definition at line 123 of file qgstextformat.h.

◆ mask() [2/2]

QgsTextMaskSettings QgsTextFormat::mask ( ) const

inline

Returns a reference to the masking settings.

Masks may be defined in contexts where the text is rendered over some map layers, for labeling especially.

See also: setMask()

Since: QGIS 3.12

Definition at line 131 of file qgstextformat.h.

◆ namedStyle()

QString QgsTextFormat::namedStyle ( ) const

Returns the named style for the font used for rendering text (e.g., "bold").

See also: setNamedStyle(); font()

Definition at line 81 of file qgstextformat.cpp.

◆ opacity()

double QgsTextFormat::opacity ( ) const

Returns the text's opacity.

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

See also: setOpacity()

Definition at line 136 of file qgstextformat.cpp.

◆ operator=()

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

Definition at line 45 of file qgstextformat.cpp.

◆ orientation()

QgsTextFormat::TextOrientation QgsTextFormat::orientation ( ) const

Returns the orientation of the text.

See also: setOrientation()

Since: QGIS 3.10

Definition at line 166 of file qgstextformat.cpp.

◆ previewBackgroundColor()

QColor QgsTextFormat::previewBackgroundColor ( ) const

Returns the background color for text previews.

See also: setPreviewBackgroundColor()

Since: QGIS 3.10

Definition at line 186 of file qgstextformat.cpp.

◆ readFromLayer()

void QgsTextFormat::readFromLayer ( QgsVectorLayer * layer )

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

Parameters

layer source vector layer

Definition at line 196 of file qgstextformat.cpp.

◆ readXml()

void QgsTextFormat::readXml	(	const QDomElement &	elem,
		const QgsReadWriteContext &	context
	)

Read settings from a DOM element.

See also: writeXml()

Definition at line 279 of file qgstextformat.cpp.

◆ referencedFields()

QSet< QString > QgsTextFormat::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 579 of file qgstextformat.cpp.

◆ resolvedFontFamily()

QString QgsTextFormat::resolvedFontFamily ( ) const

inline

Returns the family for the resolved font, ie if the specified font was not found on the system this will return the name of the replacement font.

See also: fontFound()

Definition at line 424 of file qgstextformat.h.

◆ scaledFont()

QFont QgsTextFormat::scaledFont ( const QgsRenderContext & context ) const

Returns a font with the size scaled to match the format's size settings (including units and map unit scale) for a specified render context.

Parameters

context destination render context

Returns: font with scaled size

See also: font(); size()

Definition at line 67 of file qgstextformat.cpp.

◆ setAllowHtmlFormatting()

void QgsTextFormat::setAllowHtmlFormatting ( bool allow )

Sets whether text should be treated as a HTML document and HTML tags should be used for formatting the rendered text.

Warning: Only a small subset of HTML formatting is supported. Currently this is restricted to:

text color formatting
strikethrough
underline
overline

See also: allowHtmlFormatting()

Since: QGIS 3.14

Definition at line 181 of file qgstextformat.cpp.

◆ setBackground()

void QgsTextFormat::setBackground ( const QgsTextBackgroundSettings & backgroundSettings )

inline

Sets the text's background settings.q.

Parameters

backgroundSettings background settings

See also: background()

Definition at line 98 of file qgstextformat.h.

◆ setBlendMode()

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

Sets the blending mode used for drawing the text.

Parameters

mode	blending mode

See also: blendMode()

Definition at line 151 of file qgstextformat.cpp.

◆ setBuffer()

void QgsTextFormat::setBuffer ( const QgsTextBufferSettings & bufferSettings )

inline

Sets the text's buffer settings.

Parameters

bufferSettings buffer settings

See also: buffer()

Definition at line 79 of file qgstextformat.h.

◆ setColor()

void QgsTextFormat::setColor ( const QColor & color )

Sets the color that text will be rendered in.

Parameters

color text color

See also: color()

Definition at line 131 of file qgstextformat.cpp.

◆ setDataDefinedProperties()

void QgsTextFormat::setDataDefinedProperties ( const QgsPropertyCollection & collection )

Sets the format's property collection, used for data defined overrides.

Parameters

collection property collection. Existing properties will be replaced.

See also: dataDefinedProperties()

Since: QGIS 3.10

Definition at line 589 of file qgstextformat.cpp.

◆ setFont()

void QgsTextFormat::setFont ( const QFont & font )

Sets the font used for rendering text.

Note that the size of the font is not used, and setSize() should be called instead to explicitly set the size of rendered text.

Parameters

font	desired font

See also: font(); setNamedStyle(); fromQFont()

Definition at line 76 of file qgstextformat.cpp.

◆ setLineHeight()

void QgsTextFormat::setLineHeight ( double height )

Sets the line height for text.

Parameters

height a number between 0.0 and 10.0 representing the leading between lines as a multiplier of line height.

See also: lineHeight()

Definition at line 161 of file qgstextformat.cpp.

◆ setMask()

void QgsTextFormat::setMask ( const QgsTextMaskSettings & maskSettings )

inline

Sets the text's masking settings.

Masks may be defined in contexts where the text is rendered over some map layers, for labeling especially.

Parameters

maskSettings mask settings

See also: mask()

Since: QGIS 3.12

Definition at line 140 of file qgstextformat.h.

◆ setNamedStyle()

void QgsTextFormat::setNamedStyle ( const QString & style )

Sets the named style for the font used for rendering text.

Parameters

style named style, e.g., "bold"

See also: namedStyle(); setFont()

Definition at line 90 of file qgstextformat.cpp.

◆ setOpacity()

void QgsTextFormat::setOpacity ( double opacity )

Sets the text's opacity.

Parameters

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

See also: opacity()

Definition at line 141 of file qgstextformat.cpp.

◆ setOrientation()

void QgsTextFormat::setOrientation ( TextOrientation orientation )

Sets the orientation for the text.

See also: orientation()

Since: QGIS 3.10

Definition at line 171 of file qgstextformat.cpp.

◆ setPreviewBackgroundColor()

void QgsTextFormat::setPreviewBackgroundColor ( const QColor & color )

Sets the background color that text will be rendered on for previews.

See also: previewBackgroundColor()

Since: QGIS 3.10

Definition at line 191 of file qgstextformat.cpp.

◆ setShadow()

void QgsTextFormat::setShadow ( const QgsTextShadowSettings & shadowSettings )

inline

Sets the text's drop shadow settings.

Parameters

shadowSettings shadow settings

See also: shadow()

Definition at line 117 of file qgstextformat.h.

◆ setSize()

void QgsTextFormat::setSize ( double size )

Sets the size for rendered text.

Parameters

size	size of rendered text. Units are set using setSizeUnit()

See also: size(); setSizeUnit()

Definition at line 121 of file qgstextformat.cpp.

◆ setSizeMapUnitScale()

void QgsTextFormat::setSizeMapUnitScale ( const QgsMapUnitScale & scale )

Sets the map unit scale object for the size.

This is only used if the sizeUnit() is set to QgsUnitTypes::RenderMapUnit.

See also: sizeMapUnitScale(); setSizeUnit()

Definition at line 111 of file qgstextformat.cpp.

◆ setSizeUnit()

void QgsTextFormat::setSizeUnit ( QgsUnitTypes::RenderUnit unit )

Sets the units for the size of rendered text.

Parameters

unit	size units

See also: setSize(); sizeUnit(); setSizeMapUnitScale()

Definition at line 101 of file qgstextformat.cpp.

◆ shadow() [1/2]

QgsTextShadowSettings& QgsTextFormat::shadow ( )

inline

Returns a reference to the text drop shadow settings.

See also: setShadow()

Definition at line 104 of file qgstextformat.h.

◆ shadow() [2/2]

QgsTextShadowSettings QgsTextFormat::shadow ( ) const

inline

Returns a reference to the text drop shadow settings.

See also: setShadow()

Definition at line 110 of file qgstextformat.h.

◆ size()

double QgsTextFormat::size ( ) const

Returns the size for rendered text.

Units are retrieved using sizeUnit().

See also: setSize(); sizeUnit()

Definition at line 116 of file qgstextformat.cpp.

◆ sizeMapUnitScale()

QgsMapUnitScale QgsTextFormat::sizeMapUnitScale ( ) const

Returns the map unit scale object for the size.

This is only used if the sizeUnit() is set to QgsUnitTypes::RenderMapUnit.

See also: setSizeMapUnitScale(); sizeUnit()

Definition at line 106 of file qgstextformat.cpp.

◆ sizeUnit()

QgsUnitTypes::RenderUnit QgsTextFormat::sizeUnit ( ) const

Returns the units for the size of rendered text.

See also: size(); setSizeUnit(); sizeMapUnitScale()

Definition at line 96 of file qgstextformat.cpp.

◆ textFormatPreviewPixmap()

QPixmap QgsTextFormat::textFormatPreviewPixmap	(	const QgsTextFormat &	format,
		QSize	size,
		const QString &	previewText = `QString()`,
		int	padding = `0`
	)

static

Returns a pixmap preview for a text format.

Parameters

format	text format
size	target pixmap size
previewText	text to render in preview, or empty for default text
padding	space between icon edge and color ramp

Since: QGIS 3.10

Definition at line 776 of file qgstextformat.cpp.

◆ toMimeData()

QMimeData * QgsTextFormat::toMimeData ( ) const

Returns new mime data representing the text format settings.

Caller takes responsibility for deleting the returned object.

See also: fromMimeData()

Definition at line 460 of file qgstextformat.cpp.

◆ toQFont()

QFont QgsTextFormat::toQFont ( ) const

Returns a QFont matching the relevant settings from this text format.

Unlike font(), this method also handles the size and size units from the text format.

See also: fromQFont()

Since: QGIS 3.2

Definition at line 493 of file qgstextformat.cpp.

◆ updateDataDefinedProperties()

void QgsTextFormat::updateDataDefinedProperties ( QgsRenderContext & context )

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

Since: QGIS 3.10

Definition at line 594 of file qgstextformat.cpp.

◆ writeXml()

QDomElement QgsTextFormat::writeXml	(	QDomDocument &	doc,
		const QgsReadWriteContext &	context
	)		const

Write settings into a DOM element.

See also: readXml()

Definition at line 423 of file qgstextformat.cpp.

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

/build/qgis-3.14.0+99unstable/src/core/textrenderer/qgstextformat.h
/build/qgis-3.14.0+99unstable/src/core/textrenderer/qgstextformat.cpp

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description

Member Enumeration Documentation

◆ TextOrientation

Constructor & Destructor Documentation

◆ QgsTextFormat() [1/2]

◆ QgsTextFormat() [2/2]

◆ ~QgsTextFormat()

Member Function Documentation

◆ allowHtmlFormatting()

◆ background() [1/2]

◆ background() [2/2]

◆ blendMode()

◆ buffer() [1/2]

◆ buffer() [2/2]

◆ color()

◆ containsAdvancedEffects()

◆ dataDefinedProperties() [1/2]

◆ dataDefinedProperties() [2/2]

◆ font()

◆ fontFound()

◆ fromMimeData()

◆ fromQFont()

◆ lineHeight()

◆ mask() [1/2]

◆ mask() [2/2]

◆ namedStyle()

◆ opacity()

◆ operator=()

◆ orientation()

◆ previewBackgroundColor()

◆ readFromLayer()

◆ readXml()

◆ referencedFields()

◆ resolvedFontFamily()

◆ scaledFont()

◆ setAllowHtmlFormatting()

◆ setBackground()

◆ setBlendMode()

◆ setBuffer()

◆ setColor()

◆ setDataDefinedProperties()

◆ setFont()

◆ setLineHeight()

◆ setMask()

◆ setNamedStyle()

◆ setOpacity()

◆ setOrientation()

◆ setPreviewBackgroundColor()

◆ setShadow()

◆ setSize()

◆ setSizeMapUnitScale()

◆ setSizeUnit()

◆ shadow() [1/2]

◆ shadow() [2/2]

◆ size()

◆ sizeMapUnitScale()

◆ sizeUnit()

◆ textFormatPreviewPixmap()

◆ toMimeData()

◆ toQFont()

◆ updateDataDefinedProperties()

◆ writeXml()