35 #include <QLinkedList> 44 template<
class DATATYPE,
class ELEMTYPE,
int NUMDIMS,
class ELEMTYPEREAL,
int TMAXNODES,
int TMINNODES>
class RTree;
65 enum LabelMode { LabelPerFeature, LabelPerFeaturePart };
158 void setPriority(
double priority );
164 double priority()
const {
return mDefaultPriority; }
239 void joinConnectedFeatures();
248 void chopFeaturesAtRepeatDistance();
QHash< QgsFeatureId, int > mConnectedFeaturesIds
UpsideDownLabels upsidedownLabels() const
Returns how upside down labels are handled within the layer.
QLinkedList< FeaturePart * > mFeatureParts
List of feature parts.
bool active() const
Returns whether the layer is currently active.
QStringList mConnectedTexts
bool labelLayer() const
Returns whether the layer will be labeled or not.
A set of features which influence the labelling process.
QHash< QgsFeatureId, QgsLabelFeature * > mHashtable
Lookup table of label features (owned by the label feature provider that created them) ...
Main Pal labelling class.
double priority() const
Returns the layer's priority, between 0 and 1.
bool centroidInside() const
Returns whether labels placed at the centroid of features within the layer are forced to be placed in...
void setUpsidedownLabels(UpsideDownLabels ud)
Sets how upside down labels will be 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...
void setFitInPolygonOnly(bool fitInPolygon)
Sets whether labels which do not fit completely within a polygon feature are discarded.
bool mergeConnectedLines() const
Returns whether connected lines will be merged before labeling.
QgsPalLayerSettings::Placement arrangement() const
Returns the layer's arrangement policy.
QgsPalLayerSettings::ObstacleType obstacleType() const
Returns the obstacle type, which controls how features within the layer act as obstacles for labels...
void setArrangement(QgsPalLayerSettings::Placement arrangement)
Sets the layer's arrangement policy.
Optional additional info about label (for curved labels)
int featureCount()
Returns the number of features in layer.
QgsAbstractLabelProvider * provider() const
Returns pointer to the associated provider.
QgsPalLayerSettings::ObstacleType mObstacleType
QList< FeaturePart * > mObstacleParts
List of obstacle parts.
Main class to handle feature.
The QgsAbstractLabelProvider class is an interface class.
void setArrangementFlags(const LineArrangementFlags &flags)
Sets the layer's arrangement flags.
bool fitInPolygonOnly() const
Returns whether labels which do not fit completely within a polygon feature are discarded.
LineArrangementFlags mArrangementFlags
RTree< FeaturePart *, double, 2, double, 8, 4 > * mObstacleIndex
Placement
Placement modes which determine how label candidates are generated for a feature. ...
QHash< QString, QLinkedList< FeaturePart * > * > mConnectedHashtable
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...
RTree< FeaturePart *, double, 2, double, 8, 4 > * mFeatureIndex
void setLabelMode(LabelMode mode)
Sets the layer's labeling mode.
LabelPosition is a candidate feature label position.
QString name() const
Returns the layer's name.
LineArrangementFlags arrangementFlags() const
Returns the layer's arrangement flags.
Representation of a labeling problem.
QgsPalLayerSettings::Placement mArrangement
Optional flags used for some placement methods.
LabelMode labelMode() const
Returns the layer's labeling mode.
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...