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src
core
labeling
qgslabelobstaclesettings.h
Go to the documentation of this file.
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/***************************************************************************
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qgslabelobstaclesettings.h
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--------------------------
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Date : December 2019
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Copyright : (C) 2019 by Nyall Dawson
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Email : nyall dot dawson at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSLABELOBSTACLESETTINGS_H
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#define QGSLABELOBSTACLESETTINGS_H
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#include "qgis_core.h"
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#include "
qgis_sip.h
"
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#include "
qgsgeometry.h
"
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class
QgsPropertyCollection
;
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class
QgsExpressionContext
;
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class
CORE_EXPORT
QgsLabelObstacleSettings
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{
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public
:
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enum class
ObstacleType
SIP_MONKEYPATCH_SCOPEENUM_UNNEST
(
QgsLabelObstacleSettings
,
ObstacleType
) : int
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{
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PolygonInterior,
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PolygonBoundary,
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PolygonWhole
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};
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bool
isObstacle
()
const
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{
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return
mIsObstacle;
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}
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void
setIsObstacle
(
bool
isObstacle )
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{
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mIsObstacle = isObstacle;
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}
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double
factor
()
const
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{
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return
mObstacleFactor;
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}
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void
setFactor
(
double
factor )
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{
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mObstacleFactor = factor;
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}
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ObstacleType
type
()
const
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{
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return
mObstacleType;
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}
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void
setType
(
ObstacleType
type )
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{
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mObstacleType = type;
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}
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void
setObstacleGeometry(
const
QgsGeometry
&obstacleGeom );
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QgsGeometry
obstacleGeometry()
const
;
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void
updateDataDefinedProperties(
const
QgsPropertyCollection
&properties,
QgsExpressionContext
&context );
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private
:
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bool
mIsObstacle =
true
;
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double
mObstacleFactor = 1.0;
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ObstacleType mObstacleType = ObstacleType::PolygonBoundary;
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QgsGeometry
mObstacleGeometry;
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};
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#endif
// QGSLABELOBSTACLESETTINGS_H
QgsExpressionContext
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Definition
qgsexpressioncontext.h:471
QgsGeometry
A geometry is the spatial representation of a feature.
Definition
qgsgeometry.h:162
QgsLabelObstacleSettings
Contains settings related to how the label engine treats features as obstacles.
Definition
qgslabelobstaclesettings.h:35
QgsLabelObstacleSettings::factor
double factor() const
Returns the obstacle factor, where 1.0 = default, < 1.0 more likely to be covered by labels,...
Definition
qgslabelobstaclesettings.h:79
QgsLabelObstacleSettings::setType
void setType(ObstacleType type)
Controls how features act as obstacles for labels.
Definition
qgslabelobstaclesettings.h:114
QgsLabelObstacleSettings::type
ObstacleType type() const
Returns how features act as obstacles for labels.
Definition
qgslabelobstaclesettings.h:103
QgsLabelObstacleSettings::ObstacleType
ObstacleType
Valid obstacle types, which affect how features within the layer will act as obstacles for labels.
Definition
qgslabelobstaclesettings.h:43
QgsLabelObstacleSettings::setIsObstacle
void setIsObstacle(bool isObstacle)
Sets whether features are obstacles to labels of other layers.
Definition
qgslabelobstaclesettings.h:66
QgsLabelObstacleSettings::setFactor
void setFactor(double factor)
Sets the obstacle factor, where 1.0 = default, < 1.0 more likely to be covered by labels,...
Definition
qgslabelobstaclesettings.h:92
QgsLabelObstacleSettings::isObstacle
bool isObstacle() const
Returns true if the features are obstacles to labels of other layers.
Definition
qgslabelobstaclesettings.h:55
QgsPropertyCollection
A grouped map of multiple QgsProperty objects, each referenced by a integer key value.
Definition
qgspropertycollection.h:344
qgis_sip.h
SIP_MONKEYPATCH_SCOPEENUM_UNNEST
#define SIP_MONKEYPATCH_SCOPEENUM_UNNEST(OUTSIDE_CLASS, FORMERNAME)
Definition
qgis_sip.h:271
qgsgeometry.h
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