18 #ifndef QGSPOINTDISPLACEMENTRENDERER_H 19 #define QGSPOINTDISPLACEMENTRENDERER_H 220 double mCircleRadiusAddition;
224 double mMaxLabelScaleDenominator;
239 void printInfoDisplacementGroups();
250 void drawGroup(
const DisplacementGroup& group,
QgsRenderContext& context );
258 #endif // QGSPOINTDISPLACEMENTRENDERER_H A rectangle specified with double values.
Placement
Placement methods for dispersing points.
OutputUnit
The unit of the output.
double tolerance() const
Returns the tolerance distance for grouping points.
virtual Q_DECL_DEPRECATED QgsSymbolV2 * originalSymbolForFeature(QgsFeature &feature)
Return symbol for feature.
double maxLabelScaleDenominator() const
void setLabelAttributeName(const QString &name)
void setLabelFont(const QFont &f)
virtual QDomElement save(QDomDocument &doc)
store renderer info to XML element
void setMaxLabelScaleDenominator(double d)
const QgsMapUnitScale & toleranceMapUnitScale() const
Returns the map unit scale object for the distance tolerance.
Container of fields for a vector layer.
virtual QList< QString > usedAttributes()=0
Returns a set of attributes required for this renderer.
double circleWidth() const
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
virtual Q_DECL_DEPRECATED bool willRenderFeature(QgsFeature &feat)
Returns whether the renderer will render a feature or not.
virtual QgsLegendSymbologyList legendSymbologyItems(QSize iconSize)
return a list of symbology items for the legend
virtual void startRender(QgsRenderContext &context, const QgsFields &fields)=0
Needs to be called when a new render cycle is started.
void setToleranceUnit(QgsSymbolV2::OutputUnit unit)
Sets the units for the tolerance distance.
virtual void stopRender(QgsRenderContext &context)=0
Needs to be called when a render cycle has finished to clean up.
virtual Q_DECL_DEPRECATED QgsSymbolV2List originalSymbolsForFeature(QgsFeature &feat)
Equivalent of originalSymbolsForFeature() call extended to support renderers that may use more symbol...
virtual bool renderFeature(QgsFeature &feature, QgsRenderContext &context, int layer=-1, bool selected=false, bool drawVertexMarker=false)
Render a feature using this renderer in the given context.
virtual QgsFeatureRendererV2 * clone() const =0
virtual Q_DECL_DEPRECATED QgsSymbolV2 * symbolForFeature(QgsFeature &feature)
To be overridden.
QString labelAttributeName() const
virtual QgsLegendSymbolList legendSymbolItems(double scaleDenominator=-1, const QString &rule="")
return a list of item text / symbol
void setLabelColor(const QColor &c)
Placement placement() const
Returns the placement method used for dispersing the points.
void setPlacement(Placement placement)
Sets the placement method used for dispersing the points.
virtual Q_DECL_DEPRECATED QgsSymbolV2List symbols()
For symbol levels.
A class to represent a point.
QgsFeatureRendererV2 * embeddedRenderer() const
void setCircleRadiusAddition(double d)
QColor circleColor() const
virtual void toSld(QDomDocument &doc, QDomElement &element) const
used from subclasses to create SLD Rule elements following SLD v1.1 specs
A renderer that automatically displaces points with the same position.
void setCircleWidth(double w)
Contains information about the context of a rendering operation.
Struct for storing maximum and minimum scales for measurements in map units.
virtual Q_DECL_DEPRECATED QgsSymbolV2List symbolsForFeature(QgsFeature &feat)
Returns list of symbols used for rendering the feature.
Q_DECL_DEPRECATED void setDisplacementGroups(const QList< QMap< QgsFeatureId, QgsFeature > > &list)
not available in python bindings
void setCircleColor(const QColor &c)
void setToleranceMapUnitScale(const QgsMapUnitScale &scale)
Sets the map unit scale object for the distance tolerance.
virtual int capabilities()
returns bitwise OR-ed capabilities of the renderer
QgsSymbolV2::OutputUnit toleranceUnit() const
Returns the units for the tolerance distance.
QgsMarkerSymbolV2 * centerSymbol()
Returns the symbol for the center of a displacement group (but not ownership of the symbol) ...
QColor labelColor() const
void setTolerance(double t)
Sets the tolerance distance for grouping points.
double circleRadiusAddition() const