36 #include "qgis_core.h" 40 #include <QLinkedList> 50 template<
class DATATYPE,
class ELEMTYPE,
int NUMDIMS,
class ELEMTYPEREAL,
int TMAXNODES,
int TMINNODES>
class RTree;
73 enum LabelMode { LabelPerFeature, LabelPerFeaturePart };
96 QString
name()
const {
return mName; }
183 void setPriority(
double priority );
190 double priority()
const {
return mDefaultPriority; }
259 void joinConnectedFeatures();
269 void chopFeaturesAtRepeatDistance();
329 void addFeaturePart(
FeaturePart *fpart,
const QString &labelText = QString() );
bool labelLayer() const
Returns whether the layer will be labeled or not.
QgsAbstractLabelProvider * provider() const
Returns pointer to the associated provider.
bool centroidInside() const
Returns whether labels placed at the centroid of features within the layer are forced to be placed in...
QList< FeaturePart * > mObstacleParts
List of obstacle parts.
QHash< QgsFeatureId, int > mConnectedFeaturesIds
bool mergeConnectedLines() const
Returns whether connected lines will be merged before labeling.
QStringList mConnectedTexts
QHash< QgsFeatureId, QgsLabelFeature * > mHashtable
Lookup table of label features (owned by the label feature provider that created them) ...
A set of features which influence the labeling process.
void setUpsidedownLabels(UpsideDownLabels ud)
Sets how upside down labels will be handled within the layer.
UpsideDownLabels upsidedownLabels() const
Returns how upside down labels are handled within the layer.
void setObstacleType(QgsPalLayerSettings::ObstacleType obstacleType)
Sets the obstacle type, which controls how features within the layer act as obstacles for labels...
void setCentroidInside(bool forceInside)
Sets whether labels placed at the centroid of features within the layer are forced to be placed insid...
QgsPalLayerSettings::ObstacleType obstacleType() const
Returns the obstacle type, which controls how features within the layer act as obstacles for labels...
QHash< QString, QLinkedList< FeaturePart * > *> mConnectedHashtable
double priority() const
Returns the layer's priority, between 0 and 1.
RTree< FeaturePart *, double, 2, double, 8, 4 > * mFeatureIndex
void setArrangement(QgsPalLayerSettings::Placement arrangement)
Sets the layer's arrangement policy.
QgsPalLayerSettings::Placement arrangement() const
Returns the layer's arrangement policy.
int featureCount()
Returns the number of features in layer.
QgsPalLayerSettings::ObstacleType mObstacleType
Main class to handle feature.
The QgsAbstractLabelProvider class is an interface class.
LineArrangementFlags mArrangementFlags
Placement
Placement modes which determine how label candidates are generated for a feature. ...
void setActive(bool active)
Sets whether the layer is currently active.
void setLabelLayer(bool toLabel)
Sets whether the layer will be labeled.
QgsAbstractLabelProvider * mProvider
The QgsLabelFeature class describes a feature that should be used within the labeling engine...
QLinkedList< FeaturePart * > mFeatureParts
List of feature parts.
RTree< FeaturePart *, double, 2, double, 8, 4 > * mObstacleIndex
void setLabelMode(LabelMode mode)
Sets the layer's labeling mode.
QString name() const
Returns the layer's name.
bool active() const
Returns whether the layer is currently active.
LabelPosition is a candidate feature label position.
Representation of a labeling problem.
void setArrangementFlags(LineArrangementFlags flags)
Sets the layer's arrangement flags.
LineArrangementFlags arrangementFlags() const
Returns the layer's arrangement flags.
QgsPalLayerSettings::Placement mArrangement
Optional flags used for some placement methods.
LabelMode labelMode() const
Returns the layer's labeling mode.
bool isCurved() const
Returns true if the layer has curved labels.
UpsideDownLabels mUpsidedownLabels
void setMergeConnectedLines(bool merge)
Sets whether connected lines should be merged before labeling.
ObstacleType
Valid obstacle types, which affect how features within the layer will act as obstacles for labels...