QGIS/python/core/auto_generated/labeling/qgsrulebasedlabeling.sip.in
Nyall Dawson f1b8682e36 Improve API for exporting to SLD
Deprecate old methods and make methods always take QgsSldExportContext.
Add capacity to QgsSldExportContext to collect export errors and
warnings.

The old API had no way to reliably report errors/warnings during
export to users.
2025-05-04 17:55:25 +10:00

343 lines
8.9 KiB
Plaintext

/************************************************************************
* This file has been generated automatically from *
* *
* src/core/labeling/qgsrulebasedlabeling.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.py again *
************************************************************************/
class QgsRuleBasedLabeling : QgsAbstractVectorLayerLabeling
{
%Docstring(signature="appended")
Rule based labeling for a vector layer.
%End
%TypeHeaderCode
#include "qgsrulebasedlabeling.h"
%End
public:
typedef QList<QgsRuleBasedLabeling::Rule *> RuleList;
public:
class Rule
{
%Docstring(signature="appended")
A child rule for QgsRuleBasedLabeling.
%End
%TypeHeaderCode
#include "qgsrulebasedlabeling.h"
%End
public:
Rule( QgsPalLayerSettings *settings /Transfer/, double maximumScale = 0, double minimumScale = 0, const QString &filterExp = QString(), const QString &description = QString(), bool elseRule = false );
%Docstring
takes ownership of settings, settings may be ``None``
%End
~Rule();
enum RegisterResult
{
Filtered,
Inactive,
Registered
};
QgsPalLayerSettings *settings() const;
%Docstring
Returns the labeling settings. May return ``None``.
%End
bool dependsOnScale() const;
%Docstring
Determines if scale based labeling is active
:return: ``True`` if scale based labeling is active
%End
double maximumScale() const;
%Docstring
Returns the maximum map scale (i.e. most "zoomed in" scale) at which the
label rule will be active. The scale value indicates the scale
denominator, e.g. 1000.0 for a 1:1000 map. A scale of 0 indicates no
maximum scale visibility.
.. seealso:: :py:func:`minimumScale`
.. seealso:: :py:func:`setMaximumScale`
%End
double minimumScale() const;
%Docstring
Returns the minimum map scale (i.e. most "zoomed out" scale) at which
the label rule will be active. The scale value indicates the scale
denominator, e.g. 1000.0 for a 1:1000 map. A scale of 0 indicates no
minimum scale visibility.
.. seealso:: :py:func:`maximumScale`
.. seealso:: :py:func:`setMinimumScale`
%End
QString filterExpression() const;
%Docstring
A filter that will check if this rule applies
:return: An expression
%End
QString description() const;
%Docstring
A human readable description for this rule
:return: Description
%End
bool active() const;
%Docstring
Returns if this rule is active
:return: ``True`` if the rule is active
%End
bool isElse() const;
%Docstring
Check if this rule is an ELSE rule
:return: ``True`` if this rule is an else rule
%End
QString ruleKey() const;
%Docstring
Unique rule identifier (for identification of rule within labeling, used
as provider ID)
%End
void setSettings( QgsPalLayerSettings *settings /Transfer/ );
%Docstring
Sets new settings (or ``None``). Deletes old settings if any.
%End
void setMinimumScale( double scale );
%Docstring
Sets the minimum map ``scale`` (i.e. most "zoomed out" scale) at which
the label rule will be active. The ``scale`` value indicates the scale
denominator, e.g. 1000.0 for a 1:1000 map. A ``scale`` of 0 indicates no
minimum scale visibility.
.. seealso:: :py:func:`minimumScale`
.. seealso:: :py:func:`setMaximumScale`
%End
void setMaximumScale( double scale );
%Docstring
Sets the maximum map ``scale`` (i.e. most "zoomed in" scale) at which
the rule will be active. The ``scale`` value indicates the scale
denominator, e.g. 1000.0 for a 1:1000 map. A ``scale`` of 0 indicates no
maximum scale visibility.
.. seealso:: :py:func:`maximumScale`
.. seealso:: :py:func:`setMinimumScale`
%End
void setFilterExpression( const QString &filterExp );
%Docstring
Set the expression used to check if a given feature shall be rendered
with this rule
:param filterExp: An expression
%End
void setDescription( const QString &description );
%Docstring
Set a human readable description for this rule
:param description: Description
%End
void setActive( bool state );
%Docstring
Sets if this rule is active
:param state: Determines if the rule should be activated or deactivated
%End
void setIsElse( bool iselse );
%Docstring
Sets if this rule is an ELSE rule
:param iselse: If ``True``, this rule is an ELSE rule
%End
void setRuleKey( const QString &key );
%Docstring
Override the assigned rule key (should be used just internally by
rule-based labeling)
%End
const QgsRuleBasedLabeling::RuleList &children() const;
%Docstring
Returns all children rules of this rule
:return: A list of rules
%End
QgsRuleBasedLabeling::RuleList descendants() const;
%Docstring
Returns all children, grand-children, grand-grand-children, grand-gra...
you get it
:return: A list of descendant rules
%End
QgsRuleBasedLabeling::Rule *parent();
%Docstring
The parent rule
:return: Parent rule
%End
void appendChild( QgsRuleBasedLabeling::Rule *rule /Transfer/ );
%Docstring
add child rule, take ownership, sets this as parent
%End
void insertChild( int i, QgsRuleBasedLabeling::Rule *rule /Transfer/ );
%Docstring
add child rule, take ownership, sets this as parent
%End
void removeChildAt( int i );
%Docstring
delete child rule
%End
const QgsRuleBasedLabeling::Rule *findRuleByKey( const QString &key ) const;
%Docstring
Try to find a rule given its unique key
%End
QgsRuleBasedLabeling::Rule *clone( bool resetRuleKey = true ) const /Factory/;
%Docstring
clone this rule
:param resetRuleKey: ``True`` if this rule and its children rule key
need to be reset to new unique ones.
:return: new instance
%End
static QgsRuleBasedLabeling::Rule *create( const QDomElement &ruleElem, const QgsReadWriteContext &context, bool reuseId = true ) /Factory/;
%Docstring
Create a rule from an XML definition
:param ruleElem: The XML rule element
:param context: reading context
:param reuseId: set to ``True`` to create an exact copy of the original
symbol or ``False`` to create a new rule with the same
parameters as the original but a new unique
:py:func:`~Rule.ruleKey`. (Since QGIS 3.30)
:return: A new rule
%End
QDomElement save( QDomDocument &doc, const QgsReadWriteContext &context ) const;
%Docstring
store labeling info to XML element
%End
bool requiresAdvancedEffects() const;
%Docstring
Returns ``True`` if this rule or any of its children requires advanced
composition effects to render.
%End
bool accept( QgsStyleEntityVisitorInterface *visitor ) const;
%Docstring
Accepts the specified symbology ``visitor``, causing it to visit all
child rules associated with the rule.
Returns ``True`` if the visitor should continue visiting other objects,
or ``False`` if visiting should be canceled.
.. versionadded:: 3.10
%End
private:
Rule( const QgsRuleBasedLabeling::Rule &rh );
};
explicit QgsRuleBasedLabeling( QgsRuleBasedLabeling::Rule *root /Transfer/ );
%Docstring
Constructs the labeling from given tree of rules (takes ownership)
%End
~QgsRuleBasedLabeling();
QgsRuleBasedLabeling::Rule *rootRule();
static QgsRuleBasedLabeling *create( const QDomElement &element, const QgsReadWriteContext &context ) /Factory/;
%Docstring
Create the instance from a DOM element with saved configuration
%End
virtual QString type() const;
virtual QgsRuleBasedLabeling *clone() const /Factory/;
virtual QDomElement save( QDomDocument &doc, const QgsReadWriteContext &context ) const;
virtual QStringList subProviders() const;
virtual QgsPalLayerSettings settings( const QString &providerId = QString() ) const;
virtual bool accept( QgsStyleEntityVisitorInterface *visitor ) const;
virtual void setSettings( QgsPalLayerSettings *settings /Transfer/, const QString &providerId = QString() );
%Docstring
Set pal settings for a specific provider (takes ownership).
:param settings: Pal layer settings
:param providerId: The id of the provider
%End
virtual bool requiresAdvancedEffects() const;
virtual void toSld( QDomNode &parent, const QVariantMap &properties ) const /Deprecated/;
virtual bool toSld( QDomNode &parent, QgsSldExportContext &context ) const;
virtual void multiplyOpacity( double opacityFactor );
protected:
};
/************************************************************************
* This file has been generated automatically from *
* *
* src/core/labeling/qgsrulebasedlabeling.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.py again *
************************************************************************/