#include <qgsstyle.h>

Inheritance diagram for QgsStyle:

Public Types
enum	StyleEntity { SymbolEntity , TagEntity , ColorrampEntity , SmartgroupEntity , TextFormatEntity , LabelSettingsEntity , LegendPatchShapeEntity , Symbol3DEntity }
	Enum for Entities involved in a style. More...

enum class	TextFormatContext : int { Labeling }
	Text format context. More...

Public Slots
void	triggerIconRebuild ()
	Triggers emission of the rebuildIconPreviews() signal.

Signals
void	aboutToBeDestroyed ()
	Emitted just before the style object is destroyed.

void	entityAdded (QgsStyle::StyleEntity entity, const QString &name)
	Emitted every time a new entity has been added to the database.

void	entityChanged (QgsStyle::StyleEntity entity, const QString &name)
	Emitted whenever an entity's definition is changed.

void	entityRemoved (QgsStyle::StyleEntity entity, const QString &name)
	Emitted whenever an entity of the specified type is removed from the style and the database has been updated as a result.

void	entityRenamed (QgsStyle::StyleEntity entity, const QString &oldName, const QString &newName)
	Emitted whenever a entity of the specified type has been renamed from oldName to newName.

void	entityTagsChanged (QgsStyle::StyleEntity entity, const QString &name, const QStringList &newTags)
	Emitted whenever an entity's tags are changed.

void	favoritedChanged (QgsStyle::StyleEntity entity, const QString &name, bool isFavorite)
	Emitted whenever an entity is either favorited or un-favorited.

void	groupsModified ()
	Emitted every time a tag or smartgroup has been added, removed, or renamed.

void	initialized ()
	Emitted when the style database has been fully initialized.

void	labelSettingsAdded (const QString &name)
	Emitted whenever label settings have been added to the style and the database has been updated as a result.

void	labelSettingsChanged (const QString &name)
	Emitted whenever a label setting's definition is changed.

void	labelSettingsRemoved (const QString &name)
	Emitted whenever label settings have been removed from the style and the database has been updated as a result.

void	labelSettingsRenamed (const QString &oldName, const QString &newName)
	Emitted whenever label settings have been renamed from oldName to newName.

void	rampAdded (const QString &name)
	Emitted whenever a color ramp has been added to the style and the database has been updated as a result.

void	rampChanged (const QString &name)
	Emitted whenever a color ramp's definition is changed.

void	rampRemoved (const QString &name)
	Emitted whenever a color ramp has been removed from the style and the database has been updated as a result.

void	rampRenamed (const QString &oldName, const QString &newName)
	Emitted whenever a color ramp has been renamed from oldName to newName.

void	rebuildIconPreviews ()
	Emitted whenever icon previews for entities in the style must be rebuilt.

void	symbolChanged (const QString &name)
	Emitted whenever a symbol's definition is changed.

void	symbolRemoved (const QString &name)
	Emitted whenever a symbol has been removed from the style and the database has been updated as a result.

void	symbolRenamed (const QString &oldName, const QString &newName)
	Emitted whenever a symbol has been renamed from oldName to newName.

void	symbolSaved (const QString &name, QgsSymbol *symbol)
	Emitted every time a new symbol has been added to the database.

void	textFormatAdded (const QString &name)
	Emitted whenever a text format has been added to the style and the database has been updated as a result.

void	textFormatChanged (const QString &name)
	Emitted whenever a text format's definition is changed.

void	textFormatRemoved (const QString &name)
	Emitted whenever a text format has been removed from the style and the database has been updated as a result.

void	textFormatRenamed (const QString &oldName, const QString &newName)
	Emitted whenever a text format has been renamed from oldName to newName.

Public Member Functions
	QgsStyle (QObject *parent=nullptr)
	Constructor for QgsStyle, with the specified parent object.

	~QgsStyle () override

bool	addColorRamp (const QString &name, QgsColorRamp *colorRamp, bool update=false)
	Adds a color ramp to the style.

bool	addEntity (const QString &name, const QgsStyleEntityInterface *entity, bool update=false)
	Adds an entity to the style, with the specified name.

bool	addFavorite (StyleEntity type, const QString &name)
	Adds the specified symbol to favorites.

bool	addLabelSettings (const QString &name, const QgsPalLayerSettings &settings, bool update=false)
	Adds label settings with the specified name to the style.

bool	addLegendPatchShape (const QString &name, const QgsLegendPatchShape &shape, bool update=false)
	Adds a legend patch shape with the specified name to the style.

int	addSmartgroup (const QString &name, const QString &op, const QgsSmartConditionMap &conditions)
	Adds a new smartgroup to the database and returns the id.

int	addSmartgroup (const QString &name, const QString &op, const QStringList &matchTag, const QStringList &noMatchTag, const QStringList &matchName, const QStringList &noMatchName)
	Adds a new smartgroup to the database and returns the id.

bool	addSymbol (const QString &name, QgsSymbol *symbol, bool update=false)
	Adds a symbol to style and takes symbol's ownership.

bool	addSymbol3D (const QString &name, QgsAbstract3DSymbol *symbol, bool update=false)
	Adds a 3d symbol with the specified name to the style.

int	addTag (const QString &tagName)
	Adds a new tag and returns the tag's id.

bool	addTextFormat (const QString &name, const QgsTextFormat &format, bool update=false)
	Adds a text format with the specified name to the style.

QStringList	allNames (StyleEntity type) const
	Returns a list of the names of all existing entities of the specified type.

void	clear ()
	Removes all contents of the style.

QgsColorRamp *	colorRamp (const QString &name) const
	Returns a new copy of the specified color ramp.

int	colorRampCount ()
	Returns count of color ramps.

int	colorrampId (const QString &name)
	Returns the id in the style database for the given colorramp name returns 0 if not found.

QStringList	colorRampNames () const
	Returns a list of names of color ramps.

const QgsColorRamp *	colorRampRef (const QString &name) const
	Returns a const pointer to a symbol (doesn't create new instance)

bool	createDatabase (const QString &filename)
	Creates an on-disk database.

bool	createMemoryDatabase ()
	Creates a temporary memory database.

void	createTables ()
	Creates tables structure for new database.

QgsLegendPatchShape	defaultPatch (Qgis::SymbolType type, QSizeF size) const
	Returns the default legend patch shape for the given symbol type.

QList< QList< QPolygonF > >	defaultPatchAsQPolygonF (Qgis::SymbolType type, QSizeF size) const
	Returns the default patch geometry for the given symbol type and size as a set of QPolygonF objects (parts and rings).

QgsTextFormat	defaultTextFormat (QgsStyle::TextFormatContext context=QgsStyle::TextFormatContext::Labeling) const
	Returns the default text format to use for new text based objects in the specified context.

bool	detagSymbol (StyleEntity type, const QString &symbol)
	Clears the symbol from all attached tags.

bool	detagSymbol (StyleEntity type, const QString &symbol, const QStringList &tags)
	Detags the symbol with the given list.

int	entityId (StyleEntity type, const QString &name)
	Returns the id in the style database for the given name of the specified entity type.

QString	errorString () const
	Returns the last error from a load() operation.

bool	exportXml (const QString &filename)
	Exports the style as a XML file.

QString	fileName () const
	Returns the current file name of the style database.

QStringList	findSymbols (StyleEntity type, const QString &qword)
	Returns the names of the symbols which have a matching 'substring' in its definition.

bool	importXml (const QString &filename)
	Imports the symbols and colorramps into the default style database from the given XML file.

bool	isFavorite (StyleEntity type, const QString &name)
	Returns `true` if the symbol with matching type and name is marked as a favorite.

bool	isInitialized () const
	Returns `true` if the style is initialized and ready for use.

bool	isReadOnly () const
	Returns `true` if the style is considered a read-only library.

QgsPalLayerSettings	labelSettings (const QString &name) const
	Returns the label settings with the specified name.

int	labelSettingsCount () const
	Returns count of label settings in the style.

int	labelSettingsId (const QString &name)
	Returns the ID in the style database for the given label settings by name.

Qgis::GeometryType	labelSettingsLayerType (const QString &name) const
	Returns the layer geometry type corresponding to the label settings with the specified name, or Qgis::GeometryType::Unknown if matching label settings are not present.

QStringList	labelSettingsNames () const
	Returns a list of names of label settings in the style.

QgsLegendPatchShape	legendPatchShape (const QString &name) const
	Returns the legend patch shape with the specified name.

QStringList	legendPatchShapeNames () const
	Returns a list of names of legend patch shapes in the style.

int	legendPatchShapesCount () const
	Returns count of legend patch shapes in the style.

Qgis::SymbolType	legendPatchShapeSymbolType (const QString &name) const
	Returns the symbol type corresponding to the legend patch shape with the specified name, or QgsSymbol::Hybrid if a matching legend patch shape is not present.

bool	load (const QString &filename)
	Loads a file into the style.

QString	name () const
	Returns the name of the style.

const QgsSymbol *	previewSymbolForPatchShape (const QgsLegendPatchShape &shape) const
	Returns a symbol to use for rendering preview icons for a patch shape.

bool	remove (StyleEntity type, int id)
	Removes the specified entity from the database.

bool	removeColorRamp (const QString &name)
	Removes color ramp from style (and delete it)

bool	removeEntityByName (StyleEntity type, const QString &name)
	Removes the entry of the specified type with matching name from the database.

bool	removeFavorite (StyleEntity type, const QString &name)
	Removes the specified symbol from favorites.

bool	removeLabelSettings (const QString &name)
	Removes label settings from the style.

bool	removeSymbol (const QString &name)
	Removes symbol from style (and delete it)

bool	removeTextFormat (const QString &name)
	Removes a text format from the style.

bool	rename (StyleEntity type, int id, const QString &newName)
	Renames the given entity with the specified id.

bool	renameColorRamp (const QString &oldName, const QString &newName)
	Changes ramp's name.

bool	renameEntity (StyleEntity type, const QString &oldName, const QString &newName)
	Renames an entity of the specified type from oldName to newName.

bool	renameLabelSettings (const QString &oldName, const QString &newName)
	Changes a label setting's name.

bool	renameLegendPatchShape (const QString &oldName, const QString &newName)
	Changes a legend patch shape's name.

bool	renameSymbol (const QString &oldName, const QString &newName)
	Renames a symbol from oldName to newName.

bool	renameSymbol3D (const QString &oldName, const QString &newName)
	Changes a 3d symbol's name.

bool	renameTextFormat (const QString &oldName, const QString &newName)
	Changes a text format's name.

Q_DECL_DEPRECATED bool	save (const QString &filename=QString())
	Saves style into a file.

bool	saveColorRamp (const QString &name, QgsColorRamp *ramp, bool favorite, const QStringList &tags)
	Adds the colorramp to the database.

bool	saveLabelSettings (const QString &name, const QgsPalLayerSettings &settings, bool favorite, const QStringList &tags)
	Adds label settings to the database.

bool	saveLegendPatchShape (const QString &name, const QgsLegendPatchShape &shape, bool favorite, const QStringList &tags)
	Adds a legend patch shape to the database.

bool	saveSymbol (const QString &name, QgsSymbol *symbol, bool favorite, const QStringList &tags)
	Adds the symbol to the database with tags.

bool	saveSymbol3D (const QString &name, QgsAbstract3DSymbol *symbol, bool favorite, const QStringList &tags)
	Adds a 3d symbol to the database.

bool	saveTextFormat (const QString &name, const QgsTextFormat &format, bool favorite, const QStringList &tags)
	Adds a text format to the database.

void	setFileName (const QString &filename)
	Sets the current file name of the style database.

void	setName (const QString &name)
	Sets the name of the style.

void	setReadOnly (bool readOnly)
	Sets whether the style is considered a read-only library.

QgsSmartConditionMap	smartgroup (int id)
	Returns the QgsSmartConditionMap for the given id.

int	smartgroupId (const QString &smartgroup)
	Returns the database id for the given smartgroup name.

QStringList	smartgroupNames () const
	Returns the smart groups list.

QString	smartgroupOperator (int id)
	Returns the operator for the smartgroup.

QgsSymbolGroupMap	smartgroupsListMap ()
	Returns the smart groups map with id as key and name as value.

QgsSymbol *	symbol (const QString &name)
	Returns a NEW copy of symbol.

QgsAbstract3DSymbol *	symbol3D (const QString &name) const
	Returns a new copy of the 3D symbol with the specified name.

QList< Qgis::GeometryType >	symbol3DCompatibleGeometryTypes (const QString &name) const
	Returns the list of the vector layer geometry types which are compatible with the 3D symbol with the specified name, or an empty list if a matching 3d symbol is not present.

int	symbol3DCount () const
	Returns count of 3D symbols in the style.

QStringList	symbol3DNames () const
	Returns a list of names of 3d symbols in the style.

int	symbolCount ()
	Returns count of symbols in style.

bool	symbolHasTag (StyleEntity type, const QString &symbol, const QString &tag)
	Returns whether a given tag is associated with the symbol.

int	symbolId (const QString &name)
	Returns the id in the style database for the given symbol name returns 0 if not found.

QStringList	symbolNames () const
	Returns a list of names of symbols.

const QgsSymbol *	symbolRef (const QString &name) const
	Returns a const pointer to a symbol (doesn't create new instance)

QStringList	symbolsOfFavorite (StyleEntity type) const
	Returns the symbol names which are flagged as favorite.

QStringList	symbolsOfSmartgroup (StyleEntity type, int id)
	Returns the symbols for the smartgroup.

QStringList	symbolsWithTag (StyleEntity type, int tagid) const
	Returns the symbol names with which have the given tag.

QString	tag (int id) const
	Returns the tag name for the given id.

int	tagId (const QString &tag)
	Returns the database id for the given tag name.

QStringList	tags () const
	Returns a list of all tags in the style database.

QStringList	tagsOfSymbol (StyleEntity type, const QString &symbol)
	Returns the tags associated with the symbol.

bool	tagSymbol (StyleEntity type, const QString &symbol, const QStringList &tags)
	Tags the symbol with the tags in the list.

QgsTextFormat	textFormat (const QString &name) const
	Returns the text format with the specified name.

int	textFormatCount () const
	Returns count of text formats in the style.

int	textFormatId (const QString &name)
	Returns the ID in the style database for the given text format by name.

QStringList	textFormatNames () const
	Returns a list of names of text formats in the style.

Static Public Member Functions
static void	cleanDefaultStyle ()
	Deletes the default style. Only to be used by QgsApplication::exitQgis()

static QgsStyle *	defaultStyle (bool initialize=true)
	Returns the default application-wide style.

static QgsTextFormat	defaultTextFormatForProject (QgsProject *project, QgsStyle::TextFormatContext context=QgsStyle::TextFormatContext::Labeling)
	Returns the default text format to use for new text based objects for the specified project, in the specified context.

static bool	isXmlStyleFile (const QString &path)
	Tests if the file at path is a QGIS style XML file.

Friends
class	Qgs3D

class	TestStyle

Detailed Description

Definition at line 159 of file qgsstyle.h.

Member Enumeration Documentation

◆ StyleEntity

enum QgsStyle::StyleEntity

Enum for Entities involved in a style.

The enumerator is used for identifying the entity being operated on when generic database functions are being run.

See also: rename(), remove(), symbolsOfFavorite(), symbolsWithTag(), symbolsOfSmartgroup()

Enumerator
SymbolEntity	Symbols.
TagEntity	Tags.
ColorrampEntity	Color ramps.
SmartgroupEntity	Smart groups.
TextFormatEntity	Text formats.
LabelSettingsEntity	Label settings.
LegendPatchShapeEntity	Legend patch shape (since QGIS 3.14)
Symbol3DEntity	3D symbol entity (since QGIS 3.14)

Definition at line 178 of file qgsstyle.h.

◆ TextFormatContext

enum class QgsStyle::TextFormatContext : int

strong

Text format context.

Since: QGIS 3.20

Enumerator
Labeling	Text format used in labeling.

Definition at line 785 of file qgsstyle.h.

Constructor & Destructor Documentation

◆ QgsStyle()

QgsStyle::QgsStyle ( QObject * parent = nullptr )

Constructor for QgsStyle, with the specified parent object.

Definition at line 79 of file qgsstyle.cpp.

◆ ~QgsStyle()

QgsStyle::~QgsStyle ( )

override

Definition at line 95 of file qgsstyle.cpp.

Member Function Documentation

◆ aboutToBeDestroyed

void QgsStyle::aboutToBeDestroyed ( )

signal

Emitted just before the style object is destroyed.

Emitted in the destructor when the style is about to be deleted, but it is still in a perfectly valid state: the last chance for other pieces of code for some cleanup if they use the style.

Since: QGIS 3.26

◆ addColorRamp()

bool QgsStyle::addColorRamp	(	const QString &	name,
		QgsColorRamp *	colorRamp,
		bool	update = `false`
	)

Adds a color ramp to the style.

Calling this method takes the ramp's ownership.

Note: Adding a color ramp with the name of existing one replaces it.

Parameters

name	is the name of the color ramp being added or updated
colorRamp	is the color ramp. Ownership is transferred.
update	set to `true` when the style database has to be updated, by default it is `false`

Returns: success status of the operation

Definition at line 345 of file qgsstyle.cpp.

◆ addEntity()

bool QgsStyle::addEntity	(	const QString &	name,
		const QgsStyleEntityInterface *	entity,
		bool	update = `false`
	)

Adds an entity to the style, with the specified name.

Ownership is not transferred.

If update is true then the style database is updated automatically as a result.

Returns true if the add operation was successful.

Note: Adding an entity with the name of existing one replaces the existing one automatically.

Since: QGIS 3.10

Definition at line 111 of file qgsstyle.cpp.

◆ addFavorite()

bool QgsStyle::addFavorite	(	StyleEntity	type,
		const QString &	name
	)

Adds the specified symbol to favorites.

Parameters

type	is either SymbolEntity of ColorrampEntity
name	is the name of the symbol or coloramp whose is to be added to favorites

Returns: returns the success state as bool

Definition at line 1658 of file qgsstyle.cpp.

◆ addLabelSettings()

bool QgsStyle::addLabelSettings	(	const QString &	name,
		const QgsPalLayerSettings &	settings,
		bool	update = `false`
	)

Adds label settings with the specified name to the style.

If update is set to true, the style database will be automatically updated with the new text format.

Returns true if the operation was successful.

Note: Adding label settings with the name of existing ones replaces them.

Since: QGIS 3.10

Definition at line 390 of file qgsstyle.cpp.

◆ addLegendPatchShape()

bool QgsStyle::addLegendPatchShape	(	const QString &	name,
		const QgsLegendPatchShape &	shape,
		bool	update = `false`
	)

Adds a legend patch shape with the specified name to the style.

If update is set to true, the style database will be automatically updated with the new legend patch shape.

Returns true if the operation was successful.

Note: Adding legend patch shapes with the name of existing ones replaces them.

Since: QGIS 3.14

Definition at line 411 of file qgsstyle.cpp.

◆ addSmartgroup() [1/2]

int QgsStyle::addSmartgroup	(	const QString &	name,
		const QString &	op,
		const QgsSmartConditionMap &	conditions
	)

Adds a new smartgroup to the database and returns the id.

Parameters

name	is the name of the new Smart Group to be added
op	is the operator between the conditions; AND/OR as QString
conditions	are the smart group conditions

Note: Not available from Python bindings

Definition at line 2301 of file qgsstyle.cpp.

◆ addSmartgroup() [2/2]

int QgsStyle::addSmartgroup	(	const QString &	name,
		const QString &	op,
		const QStringList &	matchTag,
		const QStringList &	noMatchTag,
		const QStringList &	matchName,
		const QStringList &	noMatchName
	)

Adds a new smartgroup to the database and returns the id.

Parameters

name	is the name of the new Smart Group to be added
op	is the operator between the conditions; AND/OR as QString
matchTag	list of strings to match within tags
noMatchTag	list of strings to exclude matches from tags
matchName	list of string to match within names
noMatchName	list of strings to exclude matches from names

Since: QGIS 3.4

Definition at line 2309 of file qgsstyle.cpp.

◆ addSymbol()

bool QgsStyle::addSymbol	(	const QString &	name,
		QgsSymbol *	symbol,
		bool	update = `false`
	)

Adds a symbol to style and takes symbol's ownership.

Note: Adding a symbol with the name of existing one replaces it.

Parameters

name	is the name of the symbol being added or updated
symbol	is the Vector symbol
update	set to `true` when the style database has to be updated, by default it is `false`

Returns: success status of the operation

Definition at line 223 of file qgsstyle.cpp.

◆ addSymbol3D()

bool QgsStyle::addSymbol3D	(	const QString &	name,
		QgsAbstract3DSymbol *	symbol,
		bool	update = `false`
	)

Adds a 3d symbol with the specified name to the style.

Ownership of symbol is transferred.

If update is set to true, the style database will be automatically updated with the new legend patch shape.

Returns true if the operation was successful.

Note: Adding 3d symbols with the name of existing ones replaces them.

Since: QGIS 3.16

Definition at line 432 of file qgsstyle.cpp.

◆ addTag()

int QgsStyle::addTag ( const QString & tagName )

Adds a new tag and returns the tag's id.

Parameters

tagName the name of the new tag to be created

Returns: returns an int, which is the database id of the new tag created, 0 if the tag couldn't be created

Definition at line 1413 of file qgsstyle.cpp.

◆ addTextFormat()

bool QgsStyle::addTextFormat	(	const QString &	name,
		const QgsTextFormat &	format,
		bool	update = `false`
	)

Adds a text format with the specified name to the style.

If update is set to true, the style database will be automatically updated with the new text format.

Returns true if the operation was successful.

Note: Adding a text format with the name of existing one replaces it.

Since: QGIS 3.10

Definition at line 369 of file qgsstyle.cpp.

◆ allNames()

QStringList QgsStyle::allNames ( QgsStyle::StyleEntity type ) const

Returns a list of the names of all existing entities of the specified type.

Since: QGIS 3.10

Definition at line 2270 of file qgsstyle.cpp.

◆ cleanDefaultStyle()

void QgsStyle::cleanDefaultStyle ( )

static

Deletes the default style. Only to be used by QgsApplication::exitQgis()

Definition at line 202 of file qgsstyle.cpp.

◆ clear()

void QgsStyle::clear ( )

Removes all contents of the style.

Definition at line 208 of file qgsstyle.cpp.

◆ colorRamp()

QgsColorRamp * QgsStyle::colorRamp ( const QString & name ) const

Returns a new copy of the specified color ramp.

The caller takes responsibility for deleting the returned object.

Definition at line 494 of file qgsstyle.cpp.

◆ colorRampCount()

int QgsStyle::colorRampCount ( )

Returns count of color ramps.

Definition at line 505 of file qgsstyle.cpp.

◆ colorrampId()

int QgsStyle::colorrampId ( const QString & name )

Returns the id in the style database for the given colorramp name returns 0 if not found.

Definition at line 2147 of file qgsstyle.cpp.

◆ colorRampNames()

QStringList QgsStyle::colorRampNames ( ) const

Returns a list of names of color ramps.

Definition at line 510 of file qgsstyle.cpp.

◆ colorRampRef()

const QgsColorRamp * QgsStyle::colorRampRef ( const QString & name ) const

Returns a const pointer to a symbol (doesn't create new instance)

Definition at line 500 of file qgsstyle.cpp.

◆ createDatabase()

bool QgsStyle::createDatabase ( const QString & filename )

Creates an on-disk database.

This function creates a new on-disk permanent style database.

Returns: returns the success state of the database creation

See also: createMemoryDatabase()

Definition at line 548 of file qgsstyle.cpp.

◆ createMemoryDatabase()

bool QgsStyle::createMemoryDatabase ( )

Creates a temporary memory database.

This function is used to create a temporary style database in case a permanent on-disk database is not needed.

Returns: returns the success state of the temporary memory database creation

See also: createDatabase()

Definition at line 563 of file qgsstyle.cpp.

◆ createTables()

void QgsStyle::createTables ( )

Creates tables structure for new database.

This function is used to create the tables structure in a newly-created database.

See also: createDatabase(); createMemoryDatabase()

Definition at line 578 of file qgsstyle.cpp.

◆ defaultPatch()

QgsLegendPatchShape QgsStyle::defaultPatch	(	Qgis::SymbolType	type,
		QSizeF	size
	)		const

Returns the default legend patch shape for the given symbol type.

See also: defaultPatchAsQPolygonF()

Since: QGIS 3.14

Definition at line 1189 of file qgsstyle.cpp.

◆ defaultPatchAsQPolygonF()

QList< QList< QPolygonF > > QgsStyle::defaultPatchAsQPolygonF	(	Qgis::SymbolType	type,
		QSizeF	size
	)		const

Returns the default patch geometry for the given symbol type and size as a set of QPolygonF objects (parts and rings).

See also: defaultPatch()

Since: QGIS 3.14

Definition at line 1231 of file qgsstyle.cpp.

◆ defaultStyle()

QgsStyle * QgsStyle::defaultStyle ( bool initialize = true )

static

Returns the default application-wide style.

Since QGIS 3.36, the initialize argument can be set to false to temporarily defer the actual loading of the style's objects until they are first requested. This lazy-initialization can substantially improve application startup times, especially for standalone applications which do not utilize styles.

Definition at line 145 of file qgsstyle.cpp.

◆ defaultTextFormat()

QgsTextFormat QgsStyle::defaultTextFormat ( QgsStyle::TextFormatContext context = QgsStyle::TextFormatContext::Labeling ) const

Returns the default text format to use for new text based objects in the specified context.

Since: QGIS 3.20

Definition at line 1244 of file qgsstyle.cpp.

◆ defaultTextFormatForProject()

QgsTextFormat QgsStyle::defaultTextFormatForProject	(	QgsProject *	project,
		QgsStyle::TextFormatContext	context = `QgsStyle::TextFormatContext::Labeling`
	)

static

Returns the default text format to use for new text based objects for the specified project, in the specified context.

Since: QGIS 3.26

Definition at line 1249 of file qgsstyle.cpp.

◆ detagSymbol() [1/2]

bool QgsStyle::detagSymbol	(	StyleEntity	type,
		const QString &	symbol
	)

Clears the symbol from all attached tags.

Removes all tags for the specified symbol or colorramp

Parameters

type	is either SymbolEntity or ColorrampEntity
symbol	is the name of the symbol or colorramp

Returns: returns the success state of the operation

Definition at line 1905 of file qgsstyle.cpp.

◆ detagSymbol() [2/2]

bool QgsStyle::detagSymbol	(	StyleEntity	type,
		const QString &	symbol,
		const QStringList &	tags
	)

Detags the symbol with the given list.

Removes the given tags for the specified symbol or colorramp

Parameters

type	is either SymbolEntity or ColorrampEntity
symbol	is the name of the symbol or colorramp
tags	is the list of tags that are to be removed as QStringList

Returns: returns the success state of the operation

Definition at line 1850 of file qgsstyle.cpp.

◆ entityAdded

void QgsStyle::entityAdded	(	QgsStyle::StyleEntity	entity,
		const QString &	name
	)

signal

Emitted every time a new entity has been added to the database.

Since: QGIS 3.14

◆ entityChanged

void QgsStyle::entityChanged	(	QgsStyle::StyleEntity	entity,
		const QString &	name
	)

signal

Emitted whenever an entity's definition is changed.

This does not include name or tag changes.

Since: QGIS 3.14

◆ entityId()

int QgsStyle::entityId	(	QgsStyle::StyleEntity	type,
		const QString &	name
	)

Returns the id in the style database for the given name of the specified entity type.

Returns 0 if not found.

Definition at line 2142 of file qgsstyle.cpp.

◆ entityRemoved

void QgsStyle::entityRemoved	(	QgsStyle::StyleEntity	entity,
		const QString &	name
	)

signal

Emitted whenever an entity of the specified type is removed from the style and the database has been updated as a result.

Since: QGIS 3.14

◆ entityRenamed

void QgsStyle::entityRenamed	(	QgsStyle::StyleEntity	entity,
		const QString &	oldName,
		const QString &	newName
	)

signal

Emitted whenever a entity of the specified type has been renamed from oldName to newName.

Since: QGIS 3.14

◆ entityTagsChanged

void QgsStyle::entityTagsChanged	(	QgsStyle::StyleEntity	entity,
		const QString &	name,
		const QStringList &	newTags
	)

signal

Emitted whenever an entity's tags are changed.

Since: QGIS 3.4

◆ errorString()

QString QgsStyle::errorString ( ) const

inline

Returns the last error from a load() operation.

See also: load()

Definition at line 890 of file qgsstyle.h.

◆ exportXml()

bool QgsStyle::exportXml ( const QString & filename )

Exports the style as a XML file.

Definition at line 2567 of file qgsstyle.cpp.

◆ favoritedChanged

void QgsStyle::favoritedChanged	(	QgsStyle::StyleEntity	entity,
		const QString &	name,
		bool	isFavorite
	)

signal

Emitted whenever an entity is either favorited or un-favorited.

Since: QGIS 3.4

◆ fileName()

QString QgsStyle::fileName ( ) const

inline

Returns the current file name of the style database.

The filename will always represent the actual source of the style - e.g. the .db file for styles associated with a database, or the original source .xml file for styles directly loaded from a .xml export.

See also: setFileName()

Definition at line 901 of file qgsstyle.h.

◆ findSymbols()

QStringList QgsStyle::findSymbols	(	StyleEntity	type,
		const QString &	qword
	)

Returns the names of the symbols which have a matching 'substring' in its definition.

Parameters

type	is either SymbolEntity or ColorrampEntity
qword	is the query string to search the symbols or colorramps.

Returns: A QStringList of the matched symbols or colorramps

Definition at line 1720 of file qgsstyle.cpp.

◆ groupsModified

void QgsStyle::groupsModified ( )

signal

Emitted every time a tag or smartgroup has been added, removed, or renamed.

◆ importXml()

bool QgsStyle::importXml ( const QString & filename )

Imports the symbols and colorramps into the default style database from the given XML file.

Definition at line 2730 of file qgsstyle.cpp.

◆ initialized

void QgsStyle::initialized ( )

signal

Emitted when the style database has been fully initialized.

This signals is only emitted by the QgsStyle::defaultStyle() instance, and only when the defaultStyle() has been lazily initialized.

Since: QGIS 3.36

◆ isFavorite()

bool QgsStyle::isFavorite	(	QgsStyle::StyleEntity	type,
		const QString &	name
	)

Returns true if the symbol with matching type and name is marked as a favorite.

Since: QGIS 3.10

Definition at line 1994 of file qgsstyle.cpp.

◆ isInitialized()

bool QgsStyle::isInitialized ( ) const

inline

Returns true if the style is initialized and ready for use.

Most instances of QgsStyle will already be initialized. However, if the style is the QgsStyle::defaultStyle() object it may have been created using lazy initialization and will return false until it is initialized().

Since: QGIS 3.36

Definition at line 215 of file qgsstyle.h.

◆ isReadOnly()

bool QgsStyle::isReadOnly ( ) const

Returns true if the style is considered a read-only library.

Note: This flag is used to control GUI operations, and does not prevent calling functions which mutate the style directly via the API.

See also: setReadOnly()

Since: QGIS 3.26

Definition at line 3092 of file qgsstyle.cpp.

◆ isXmlStyleFile()

bool QgsStyle::isXmlStyleFile ( const QString & path )

static

Tests if the file at path is a QGIS style XML file.

This method samples only the first line in the file, so is safe to call on large xml files.

Since: QGIS 3.6

Definition at line 3067 of file qgsstyle.cpp.

◆ labelSettings()

QgsPalLayerSettings QgsStyle::labelSettings ( const QString & name ) const

Returns the label settings with the specified name.

Since: QGIS 3.10

Definition at line 2172 of file qgsstyle.cpp.

◆ labelSettingsAdded

void QgsStyle::labelSettingsAdded ( const QString & name )

signal

Emitted whenever label settings have been added to the style and the database has been updated as a result.

See also: labelSettingsRemoved(); symbolSaved()

Since: QGIS 3.10

◆ labelSettingsChanged

void QgsStyle::labelSettingsChanged ( const QString & name )

signal

Emitted whenever a label setting's definition is changed.

This does not include name or tag changes.

See also: labelSettingsAdded()

Since: QGIS 3.10

◆ labelSettingsCount()

int QgsStyle::labelSettingsCount ( ) const

Returns count of label settings in the style.

Since: QGIS 3.10

Definition at line 2221 of file qgsstyle.cpp.

◆ labelSettingsId()

int QgsStyle::labelSettingsId ( const QString & name )

Returns the ID in the style database for the given label settings by name.

Returns 0 if the label settings were not found.

Since: QGIS 3.10

Definition at line 2231 of file qgsstyle.cpp.

◆ labelSettingsLayerType()

Qgis::GeometryType QgsStyle::labelSettingsLayerType ( const QString & name ) const

Returns the layer geometry type corresponding to the label settings with the specified name, or Qgis::GeometryType::Unknown if matching label settings are not present.

Since: QGIS 3.10

Definition at line 2213 of file qgsstyle.cpp.

◆ labelSettingsNames()

QStringList QgsStyle::labelSettingsNames ( ) const

Returns a list of names of label settings in the style.

Since: QGIS 3.10

Definition at line 2226 of file qgsstyle.cpp.

◆ labelSettingsRemoved

void QgsStyle::labelSettingsRemoved ( const QString & name )

signal

Emitted whenever label settings have been removed from the style and the database has been updated as a result.

See also: labelSettingsAdded(); symbolRemoved()

Since: QGIS 3.10

◆ labelSettingsRenamed

void QgsStyle::labelSettingsRenamed	(	const QString &	oldName,
		const QString &	newName
	)

signal

Emitted whenever label settings have been renamed from oldName to newName.

See also: symbolRenamed()

Since: QGIS 3.10

◆ legendPatchShape()

QgsLegendPatchShape QgsStyle::legendPatchShape ( const QString & name ) const

Returns the legend patch shape with the specified name.

Since: QGIS 3.14

Definition at line 2177 of file qgsstyle.cpp.

◆ legendPatchShapeNames()

QStringList QgsStyle::legendPatchShapeNames ( ) const

Returns a list of names of legend patch shapes in the style.

Since: QGIS 3.14

Definition at line 2236 of file qgsstyle.cpp.

◆ legendPatchShapesCount()

int QgsStyle::legendPatchShapesCount ( ) const

Returns count of legend patch shapes in the style.

Since: QGIS 3.14

Definition at line 2182 of file qgsstyle.cpp.

◆ legendPatchShapeSymbolType()

Qgis::SymbolType QgsStyle::legendPatchShapeSymbolType ( const QString & name ) const

Returns the symbol type corresponding to the legend patch shape with the specified name, or QgsSymbol::Hybrid if a matching legend patch shape is not present.

Since: QGIS 3.14

Definition at line 2187 of file qgsstyle.cpp.

◆ load()

bool QgsStyle::load ( const QString & filename )

Loads a file into the style.

This function will load an on-disk database and populate styles.

Parameters

filename location of the database to load styles from

Returns: true if the database was successfully loaded. If false is returned then a detailed error message can be retrieved via errorString().

See also: errorString()

Definition at line 638 of file qgsstyle.cpp.

◆ name()

QString QgsStyle::name ( ) const

Returns the name of the style.

See also: setName()

Since: QGIS 3.26

Definition at line 106 of file qgsstyle.cpp.

◆ previewSymbolForPatchShape()

const QgsSymbol * QgsStyle::previewSymbolForPatchShape ( const QgsLegendPatchShape & shape ) const

Returns a symbol to use for rendering preview icons for a patch shape.

Ownership of the symbol is not transferred.

Since: QGIS 3.14

Definition at line 2241 of file qgsstyle.cpp.

◆ rampAdded

void QgsStyle::rampAdded ( const QString & name )

signal

Emitted whenever a color ramp has been added to the style and the database has been updated as a result.

See also: rampRemoved(); symbolSaved()

Since: QGIS 3.4

◆ rampChanged

void QgsStyle::rampChanged ( const QString & name )

signal

Emitted whenever a color ramp's definition is changed.

This does not include name or tag changes.

See also: rampAdded()

Since: QGIS 3.4

◆ rampRemoved

void QgsStyle::rampRemoved ( const QString & name )

signal

Emitted whenever a color ramp has been removed from the style and the database has been updated as a result.

See also: rampAdded(); symbolRemoved()

Since: QGIS 3.4

◆ rampRenamed

void QgsStyle::rampRenamed	(	const QString &	oldName,
		const QString &	newName
	)

signal

Emitted whenever a color ramp has been renamed from oldName to newName.

See also: symbolRenamed()

Since: QGIS 3.4

◆ rebuildIconPreviews

void QgsStyle::rebuildIconPreviews ( )

signal

Emitted whenever icon previews for entities in the style must be rebuilt.

Since: QGIS 3.26

◆ remove()

bool QgsStyle::remove	(	StyleEntity	type,
		int	id
	)

Removes the specified entity from the database.

Parameters

type	is any of the style entities. Refer enum StyleEntity.
id	is the database id of the entity to be removed

See also: removeEntityByName()

Definition at line 1488 of file qgsstyle.cpp.

◆ removeColorRamp()

bool QgsStyle::removeColorRamp ( const QString & name )

Removes color ramp from style (and delete it)

Definition at line 489 of file qgsstyle.cpp.

◆ removeEntityByName()

bool QgsStyle::removeEntityByName	(	QgsStyle::StyleEntity	type,
		const QString &	name
	)

Removes the entry of the specified type with matching name from the database.

See also: remove()

Since: QGIS 3.14

Definition at line 1534 of file qgsstyle.cpp.

◆ removeFavorite()

bool QgsStyle::removeFavorite	(	StyleEntity	type,
		const QString &	name
	)

Removes the specified symbol from favorites.

Parameters

type	is either SymbolEntity of ColorrampEntity
name	is the name of the symbol or coloramp whose is to be removed from favorites

Returns: returns the success state as bool

Definition at line 1694 of file qgsstyle.cpp.

◆ removeLabelSettings()

bool QgsStyle::removeLabelSettings ( const QString & name )

Removes label settings from the style.

Since: QGIS 3.10

Definition at line 1085 of file qgsstyle.cpp.

◆ removeSymbol()

bool QgsStyle::removeSymbol ( const QString & name )

Removes symbol from style (and delete it)

Definition at line 283 of file qgsstyle.cpp.

◆ removeTextFormat()

bool QgsStyle::removeTextFormat ( const QString & name )

Removes a text format from the style.

Since: QGIS 3.10

Definition at line 1009 of file qgsstyle.cpp.

◆ rename()

bool QgsStyle::rename	(	StyleEntity	type,
		int	id,
		const QString &	newName
	)

Renames the given entity with the specified id.

Parameters

type	is any of the style entities. Refer enum StyleEntity.
id	is the database id of the entity which is to be renamed
newName	is the new name of the entity

Definition at line 1453 of file qgsstyle.cpp.

◆ renameColorRamp()

bool QgsStyle::renameColorRamp	(	const QString &	oldName,
		const QString &	newName
	)

Changes ramp's name.

Definition at line 938 of file qgsstyle.cpp.

◆ renameEntity()

bool QgsStyle::renameEntity	(	QgsStyle::StyleEntity	type,
		const QString &	oldName,
		const QString &	newName
	)

Renames an entity of the specified type from oldName to newName.

Returns true if the entity was successfully renamed.

Since: QGIS 3.14

Definition at line 288 of file qgsstyle.cpp.

◆ renameLabelSettings()

bool QgsStyle::renameLabelSettings	(	const QString &	oldName,
		const QString &	newName
	)

Changes a label setting's name.

Since: QGIS 3.10

Definition at line 1090 of file qgsstyle.cpp.

◆ renameLegendPatchShape()

bool QgsStyle::renameLegendPatchShape	(	const QString &	oldName,
		const QString &	newName
	)

Changes a legend patch shape's name.

Since: QGIS 3.14

Definition at line 1155 of file qgsstyle.cpp.

◆ renameSymbol()

bool QgsStyle::renameSymbol	(	const QString &	oldName,
		const QString &	newName
	)

Renames a symbol from oldName to newName.

Returns true if symbol was successfully renamed.

Definition at line 898 of file qgsstyle.cpp.

◆ renameSymbol3D()

bool QgsStyle::renameSymbol3D	(	const QString &	oldName,
		const QString &	newName
	)

Changes a 3d symbol's name.

Since: QGIS 3.16

Definition at line 1294 of file qgsstyle.cpp.

◆ renameTextFormat()

bool QgsStyle::renameTextFormat	(	const QString &	oldName,
		const QString &	newName
	)

Changes a text format's name.

Since: QGIS 3.10

Definition at line 1014 of file qgsstyle.cpp.

◆ save()

bool QgsStyle::save ( const QString & filename = QString() )

Saves style into a file.

The current fileName() will be used if no explicit filename is specified.

Returns: true if the style was successfully saved. If false is returned then a detailed error message can be retrieved via errorString().

See also: fileName(); load(); errorString()

Deprecated:: This function has no effect.

Definition at line 883 of file qgsstyle.cpp.

◆ saveColorRamp()

bool QgsStyle::saveColorRamp	(	const QString &	name,
		QgsColorRamp *	ramp,
		bool	favorite,
		const QStringList &	tags
	)

Adds the colorramp to the database.

Parameters

name	is the name of the colorramp as QString
ramp	is the pointer to the new QgsColorRamp being saved
favorite	is a boolean value to specify whether the colorramp should be added to favorites
tags	is a list of tags that are associated with the color ramp as a QStringList.

Returns: returns the success state of the save operation

Definition at line 453 of file qgsstyle.cpp.

◆ saveLabelSettings()

bool QgsStyle::saveLabelSettings	(	const QString &	name,
		const QgsPalLayerSettings &	settings,
		bool	favorite,
		const QStringList &	tags
	)

Adds label settings to the database.

Parameters

name	is the name of the label settings
settings	label settings to save
favorite	is a boolean value to specify whether the label settings should be added to favorites
tags	is a list of tags that are associated with the label settings

Returns: returns the success state of the save operation

Definition at line 1049 of file qgsstyle.cpp.

◆ saveLegendPatchShape()

bool QgsStyle::saveLegendPatchShape	(	const QString &	name,
		const QgsLegendPatchShape &	shape,
		bool	favorite,
		const QStringList &	tags
	)

Adds a legend patch shape to the database.

Parameters

name	is the name of the legend patch shape
shape	legend patch shape to save
favorite	is a boolean value to specify whether the legend patch shape should be added to favorites
tags	is a list of tags that are associated with the legend patch shape

Returns: returns the success state of the save operation

Since: QGIS 3.14

Definition at line 1125 of file qgsstyle.cpp.

◆ saveSymbol()

bool QgsStyle::saveSymbol	(	const QString &	name,
		QgsSymbol *	symbol,
		bool	favorite,
		const QStringList &	tags
	)

Adds the symbol to the database with tags.

Parameters

name	is the name of the symbol as QString
symbol	is the pointer to the new QgsSymbol being saved
favorite	is a boolean value to specify whether the symbol should be added to favorites
tags	is a list of tags that are associated with the symbol as a QStringList.

Returns: returns the success state of the save operation

Definition at line 247 of file qgsstyle.cpp.

◆ saveSymbol3D()

bool QgsStyle::saveSymbol3D	(	const QString &	name,
		QgsAbstract3DSymbol *	symbol,
		bool	favorite,
		const QStringList &	tags
	)

Adds a 3d symbol to the database.

Parameters

name	is the name of the 3d symbol
symbol	3d symbol to save. Ownership is transferred.
favorite	is a boolean value to specify whether the 3d symbol should be added to favorites
tags	is a list of tags that are associated with the 3d symbol

Returns: returns the success state of the save operation

Since: QGIS 3.16

Definition at line 1263 of file qgsstyle.cpp.

◆ saveTextFormat()

bool QgsStyle::saveTextFormat	(	const QString &	name,
		const QgsTextFormat &	format,
		bool	favorite,
		const QStringList &	tags
	)

Adds a text format to the database.

Parameters

name	is the name of the text format
format	text format to save
favorite	is a boolean value to specify whether the text format should be added to favorites
tags	is a list of tags that are associated with the text format

Returns: returns the success state of the save operation

Definition at line 973 of file qgsstyle.cpp.

◆ setFileName()

void QgsStyle::setFileName ( const QString & filename )

Sets the current file name of the style database.

The filename should always represent the actual source of the style - e.g. the .db file for styles associated with a database, or the original source .xml file for styles directly loaded from a .xml export.

Calling load() automatically sets the filename to the .db file path.

Since: QGIS 3.26

Definition at line 893 of file qgsstyle.cpp.

◆ setName()

void QgsStyle::setName ( const QString & name )

Sets the name of the style.

See also: name()

Since: QGIS 3.26

Definition at line 101 of file qgsstyle.cpp.

◆ setReadOnly()

void QgsStyle::setReadOnly ( bool readOnly )

Sets whether the style is considered a read-only library.

Note: This flag is used to control GUI operations, and does not prevent calling functions which mutate the style directly via the API.

See also: isReadOnly()

Since: QGIS 3.26

Definition at line 3097 of file qgsstyle.cpp.

◆ smartgroup()

QgsSmartConditionMap QgsStyle::smartgroup ( int id )

Returns the QgsSmartConditionMap for the given id.

Definition at line 2497 of file qgsstyle.cpp.

◆ smartgroupId()

int QgsStyle::smartgroupId ( const QString & smartgroup )

Returns the database id for the given smartgroup name.

Definition at line 2265 of file qgsstyle.cpp.

◆ smartgroupNames()

QStringList QgsStyle::smartgroupNames ( ) const

Returns the smart groups list.

Definition at line 2380 of file qgsstyle.cpp.

◆ smartgroupOperator()

QString QgsStyle::smartgroupOperator ( int id )

Returns the operator for the smartgroup.

Definition at line 2537 of file qgsstyle.cpp.

◆ smartgroupsListMap()

QgsSymbolGroupMap QgsStyle::smartgroupsListMap ( )

Returns the smart groups map with id as key and name as value.

Definition at line 2355 of file qgsstyle.cpp.

◆ symbol()

QgsSymbol * QgsStyle::symbol ( const QString & name )

Returns a NEW copy of symbol.

Definition at line 317 of file qgsstyle.cpp.

◆ symbol3D()

QgsAbstract3DSymbol * QgsStyle::symbol3D ( const QString & name ) const

Returns a new copy of the 3D symbol with the specified name.

Since: QGIS 3.16

Definition at line 2195 of file qgsstyle.cpp.

◆ symbol3DCompatibleGeometryTypes()

QList< Qgis::GeometryType > QgsStyle::symbol3DCompatibleGeometryTypes ( const QString & name ) const

Returns the list of the vector layer geometry types which are compatible with the 3D symbol with the specified name, or an empty list if a matching 3d symbol is not present.

Since: QGIS 3.16

Definition at line 2205 of file qgsstyle.cpp.

◆ symbol3DCount()

int QgsStyle::symbol3DCount ( ) const

Returns count of 3D symbols in the style.

Since: QGIS 3.16

Definition at line 2200 of file qgsstyle.cpp.

◆ symbol3DNames()

QStringList QgsStyle::symbol3DNames ( ) const

Returns a list of names of 3d symbols in the style.

Since: QGIS 3.16

Definition at line 1328 of file qgsstyle.cpp.

◆ symbolChanged

void QgsStyle::symbolChanged ( const QString & name )

signal

Emitted whenever a symbol's definition is changed.

This does not include name or tag changes.

See also: symbolSaved()

Since: QGIS 3.4

◆ symbolCount()

int QgsStyle::symbolCount ( )

Returns count of symbols in style.

Definition at line 334 of file qgsstyle.cpp.

◆ symbolHasTag()

bool QgsStyle::symbolHasTag	(	StyleEntity	type,
		const QString &	symbol,
		const QString &	tag
	)

Returns whether a given tag is associated with the symbol.

Parameters

type	is either SymbolEntity or ColorrampEntity
symbol	is the name of the symbol or color ramp
tag	the name of the tag to look for

Returns: A boolean value identicating whether a tag was found attached to the symbol

Definition at line 2032 of file qgsstyle.cpp.

◆ symbolId()

int QgsStyle::symbolId ( const QString & name )

Returns the id in the style database for the given symbol name returns 0 if not found.

Definition at line 2137 of file qgsstyle.cpp.

◆ symbolNames()

QStringList QgsStyle::symbolNames ( ) const

Returns a list of names of symbols.

Definition at line 339 of file qgsstyle.cpp.

◆ symbolRef()

const QgsSymbol * QgsStyle::symbolRef ( const QString & name ) const

Returns a const pointer to a symbol (doesn't create new instance)

Definition at line 329 of file qgsstyle.cpp.

◆ symbolRemoved

void QgsStyle::symbolRemoved ( const QString & name )

signal

Emitted whenever a symbol has been removed from the style and the database has been updated as a result.

See also: symbolSaved(); rampRemoved()

Since: QGIS 3.4

◆ symbolRenamed

void QgsStyle::symbolRenamed	(	const QString &	oldName,
		const QString &	newName
	)

signal

Emitted whenever a symbol has been renamed from oldName to newName.

See also: rampRenamed()

Since: QGIS 3.4

◆ symbolSaved

void QgsStyle::symbolSaved	(	const QString &	name,
		QgsSymbol *	symbol
	)

signal

Emitted every time a new symbol has been added to the database.

Emitted whenever a symbol has been added to the style and the database has been updated as a result.

See also: symbolRemoved(); rampAdded(); symbolChanged()

◆ symbolsOfFavorite()

QStringList QgsStyle::symbolsOfFavorite ( StyleEntity type ) const

Returns the symbol names which are flagged as favorite.

Parameters

type	is either SymbolEntity or ColorampEntity

Returns: A QStringList of the symbol or colorramp names flagged as favorite

Definition at line 1333 of file qgsstyle.cpp.

◆ symbolsOfSmartgroup()

QStringList QgsStyle::symbolsOfSmartgroup	(	StyleEntity	type,
		int	id
	)

Returns the symbols for the smartgroup.

Definition at line 2404 of file qgsstyle.cpp.

◆ symbolsWithTag()

QStringList QgsStyle::symbolsWithTag	(	StyleEntity	type,
		int	tagid
	)		const

Returns the symbol names with which have the given tag.

Parameters

type	is either SymbolEntity or ColorampEntity
tagid	is id of the tag which has been applied over the symbol as int

Returns: A QStringList of the symbol or colorramp names for the given tag id

Definition at line 1367 of file qgsstyle.cpp.

◆ tag()

QString QgsStyle::tag ( int id ) const

Returns the tag name for the given id.

Definition at line 2072 of file qgsstyle.cpp.

◆ tagId()

int QgsStyle::tagId ( const QString & tag )

Returns the database id for the given tag name.

Definition at line 2260 of file qgsstyle.cpp.

◆ tags()

QStringList QgsStyle::tags ( ) const

Returns a list of all tags in the style database.

See also: addTag()

Definition at line 1433 of file qgsstyle.cpp.

◆ tagsOfSymbol()

QStringList QgsStyle::tagsOfSymbol	(	StyleEntity	type,
		const QString &	symbol
	)

Returns the tags associated with the symbol.

Parameters

type	is either SymbolEntity or ColorrampEntity
symbol	is the name of the symbol or color ramp

Returns: A QStringList of the tags that have been applied to that symbol/colorramp

Definition at line 1943 of file qgsstyle.cpp.

◆ tagSymbol()

bool QgsStyle::tagSymbol	(	StyleEntity	type,
		const QString &	symbol,
		const QStringList &	tags
	)

Tags the symbol with the tags in the list.

Applies the given tags to the given symbol or colorramp

Parameters

type	is either SymbolEntity or ColorrampEntity
symbol	is the name of the symbol or colorramp as QString
tags	is the list of the tags that are to be applied as QStringList

Returns: returns the success state of the operation

Definition at line 1787 of file qgsstyle.cpp.

◆ textFormat()

QgsTextFormat QgsStyle::textFormat ( const QString & name ) const

Returns the text format with the specified name.

Since: QGIS 3.10

Definition at line 2152 of file qgsstyle.cpp.

◆ textFormatAdded

void QgsStyle::textFormatAdded ( const QString & name )

signal

Emitted whenever a text format has been added to the style and the database has been updated as a result.

See also: textFormatRemoved(); symbolSaved()

Since: QGIS 3.10

◆ textFormatChanged

void QgsStyle::textFormatChanged ( const QString & name )

signal

Emitted whenever a text format's definition is changed.

This does not include name or tag changes.

See also: textFormatAdded()

Since: QGIS 3.10

◆ textFormatCount()

int QgsStyle::textFormatCount ( ) const

Returns count of text formats in the style.

Since: QGIS 3.10

Definition at line 2157 of file qgsstyle.cpp.

◆ textFormatId()

int QgsStyle::textFormatId ( const QString & name )

Returns the ID in the style database for the given text format by name.

Returns 0 if the text format was not found.

Since: QGIS 3.10

Definition at line 2167 of file qgsstyle.cpp.

◆ textFormatNames()

QStringList QgsStyle::textFormatNames ( ) const

Returns a list of names of text formats in the style.

Since: QGIS 3.10

Definition at line 2162 of file qgsstyle.cpp.

◆ textFormatRemoved

void QgsStyle::textFormatRemoved ( const QString & name )

signal

Emitted whenever a text format has been removed from the style and the database has been updated as a result.

See also: textFormatAdded(); symbolRemoved()

Since: QGIS 3.10

◆ textFormatRenamed

void QgsStyle::textFormatRenamed	(	const QString &	oldName,
		const QString &	newName
	)

signal

Emitted whenever a text format has been renamed from oldName to newName.

See also: symbolRenamed()

Since: QGIS 3.10

◆ triggerIconRebuild

void QgsStyle::triggerIconRebuild ( )

slot

Triggers emission of the rebuildIconPreviews() signal.

Note: Not available in Python bindings.

Since: QGIS 3.26

Definition at line 3087 of file qgsstyle.cpp.

Friends And Related Symbol Documentation

◆ Qgs3D

friend class Qgs3D

friend

Definition at line 1311 of file qgsstyle.h.

◆ TestStyle

friend class TestStyle

friend

Definition at line 1312 of file qgsstyle.h.

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

/home/fischer/src/qgis-3.38/src/core/symbology/qgsstyle.h
/home/fischer/src/qgis-3.38/src/core/symbology/qgsstyle.cpp

Public Types

Public Slots

Signals

Public Member Functions

Static Public Member Functions

Friends

Detailed Description

Member Enumeration Documentation

◆ StyleEntity

◆ TextFormatContext

Constructor & Destructor Documentation

◆ QgsStyle()

◆ ~QgsStyle()

Member Function Documentation

◆ aboutToBeDestroyed

◆ addColorRamp()

◆ addEntity()

◆ addFavorite()

◆ addLabelSettings()

◆ addLegendPatchShape()

◆ addSmartgroup() [1/2]

◆ addSmartgroup() [2/2]

◆ addSymbol()

◆ addSymbol3D()

◆ addTag()

◆ addTextFormat()

◆ allNames()

◆ cleanDefaultStyle()

◆ clear()

◆ colorRamp()

◆ colorRampCount()

◆ colorrampId()

◆ colorRampNames()

◆ colorRampRef()

◆ createDatabase()

◆ createMemoryDatabase()

◆ createTables()

◆ defaultPatch()

◆ defaultPatchAsQPolygonF()

◆ defaultStyle()

◆ defaultTextFormat()

◆ defaultTextFormatForProject()

◆ detagSymbol() [1/2]

◆ detagSymbol() [2/2]

◆ entityAdded

◆ entityChanged

◆ entityId()

◆ entityRemoved

◆ entityRenamed

◆ entityTagsChanged

◆ errorString()

◆ exportXml()

◆ favoritedChanged

◆ fileName()

◆ findSymbols()

◆ groupsModified

◆ importXml()

◆ initialized

◆ isFavorite()

◆ isInitialized()

◆ isReadOnly()

◆ isXmlStyleFile()

◆ labelSettings()

◆ labelSettingsAdded

◆ labelSettingsChanged

◆ labelSettingsCount()

◆ labelSettingsId()

◆ labelSettingsLayerType()

◆ labelSettingsNames()

◆ labelSettingsRemoved

◆ labelSettingsRenamed

◆ legendPatchShape()

◆ legendPatchShapeNames()

◆ legendPatchShapesCount()

◆ legendPatchShapeSymbolType()

◆ load()

◆ name()

◆ previewSymbolForPatchShape()

◆ rampAdded

◆ rampChanged