LabelDefinition Class

Public Functions
Reimplemented Public Functions
Static Public Members
Detailed Description

class Esri::ArcGISRuntime::LabelDefinition

Labeling information about a sublayer of a map service or feature service. More...

Header:	#include <LabelDefinition>
Since:	Esri::ArcGISRuntime 100.1
Inherits:	Esri::ArcGISRuntime::Object and Esri::ArcGISRuntime::JsonSerializable

This class was introduced in Esri::ArcGISRuntime 100.1.

List of all members, including inherited members

Public Functions

	LabelDefinition(QObject *parent = nullptr)
virtual	~LabelDefinition() override

Reimplemented Public Functions

virtual QString	toJson() const override
virtual QJsonObject	unknownJson() const override
virtual QJsonObject	unsupportedJson() const override

Static Public Members

Esri::ArcGISRuntime::LabelDefinition * fromJson(const QString &json, QObject *parent = nullptr)

Detailed Description

LabelDefinitions can only be created from JSON currently. The JSON required follows the ArcGIS REST API specification for the various labeling objects.

An example of JSON that can be used for setting a LabelDefinition is:

{
   "allowOverrun":false,
   "deconflictionStrategy":"static",
   "labelExpressionInfo":{
      "expression":"$feature.state_name"
   },
   "labelPlacement":"esriServerLinePlacementAboveAlong",
   "lineConnection":"minimizeLabels",
   "maxScale":0,
   "minScale":0,
   "multiPart":"labelPerPart",
   "priority":-1,
   "removeDuplicates":"none",
   "removeDuplicatesDistance":0,
   "repeatLabel":true,
   "repeatLabelDistance":216,
   "stackAlignment":"textSymbol",
   "stackBreakPosition":"after",
   "stackRowLength":-1,
   "symbol":{
      "angle":0,
      "backgroundColor":[0,0,0,0],
      "borderLineColor":[0,0,0,0],
      "borderLineSize":0,
      "color":[0,0,255,255],
      "font":{
       "size":11.25
      },
      "haloColor":[0,0,0,0],
      "haloSize":0,
      "kerning":false,
      "type":"esriTS",
      "xoffset":0,
      "yoffset":0
   },
   "useCodedValues":false
}