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LabelAngle Class

  • LabelAngle
  • class Esri::ArcGISRuntime::LabelAngle

    Specifies how to calculate the angular position and layout direction for labels on or around point feature symbols. More...

    Header: #include <LabelAngle>
    Since: Esri::ArcGISRuntime 100.11
    Inherits: Esri::ArcGISRuntime::Object and Esri::ArcGISRuntime::JsonSerializable

    This class was introduced in Esri::ArcGISRuntime 100.11.

    Public Functions

    LabelAngle(Esri::ArcGISRuntime::ArcadeExpression *arcadeExpression, Esri::ArcGISRuntime::LabelAngleRotationType rotationType, QObject *parent = nullptr)
    LabelAngle(Esri::ArcGISRuntime::ArcadeExpression *arcadeExpression, QObject *parent = nullptr)
    virtual ~LabelAngle() override
    Esri::ArcGISRuntime::ArcadeExpression *angleExpression() const
    Esri::ArcGISRuntime::LabelAngleRotationType rotationType() const
    void setAngleExpression(Esri::ArcGISRuntime::ArcadeExpression *angleExpression)
    void setRotationType(Esri::ArcGISRuntime::LabelAngleRotationType rotationType)

    Reimplemented Public Functions

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

    Static Public Members

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

    Detailed Description

    The angular position may be different for each feature (driven by one or more feature attributes) or constant for all features (specified by a fixed number).

    Member Function Documentation

    LabelAngle::LabelAngle(Esri::ArcGISRuntime::ArcadeExpression *arcadeExpression, Esri::ArcGISRuntime::LabelAngleRotationType rotationType, QObject *parent = nullptr)

    Creates a LabelAngle with the specified ArcadeExpression and LabelAngleRotationType.

    • arcadeExpression - The Arcade expression script. The expression is expected to be a complete, self-contained Arcade expression that calculates an angle in degrees.
    • rotationType - Whether the angle should be interpreted as arithmetic or geographic.
    • parent - The optional parent QObject.

    LabelAngle::LabelAngle(Esri::ArcGISRuntime::ArcadeExpression *arcadeExpression, QObject *parent = nullptr)

    Creates a LabelAngle with the specified ArcadeExpression.

    • arcadeExpression - The Arcade expression script. The expression is expected to be a complete, self-contained Arcade expression that calculates an angle in degrees.
    • parent - The optional parent QObject.

    The rotationType will be defaulted to LabelAngleRotationType::Automatic.

    [override virtual] LabelAngle::~LabelAngle()

    Destructor.

    Esri::ArcGISRuntime::ArcadeExpression *LabelAngle::angleExpression() const

    Return specifies how the angle (in degrees) is calculated from the feature attributes, using an Arcade expression.

    The calculation may use attributes, fixed numbers, or a combination of both. The default value is an ArcadeExpression containing an empty expression string, which will produce a zero angle when evaluated.

    See also setAngleExpression().

    [static] Esri::ArcGISRuntime::LabelAngle *LabelAngle::fromJson(const QString &json, QObject *parent = nullptr)

    Creates a new LabelAngle from json with an optional parent.

    See also JsonSerializable.

    Esri::ArcGISRuntime::LabelAngleRotationType LabelAngle::rotationType() const

    Returns whether the angle should be interpreted as arithmetic or geographic.

    The default value is LabelAngleRotationType::Automatic (which will be interpreted as LabelAngleRotationType::Arithmetic).

    See also setRotationType().

    void LabelAngle::setAngleExpression(Esri::ArcGISRuntime::ArcadeExpression *angleExpression)

    Sets the angleExpression to angleExpression.

    See also angleExpression.

    void LabelAngle::setRotationType(Esri::ArcGISRuntime::LabelAngleRotationType rotationType)

    Sets the rotationType to rotationType.

    See also rotationType.

    [override virtual] QString LabelAngle::toJson() const

    Reimplements: JsonSerializable::toJson() const.

    Gets the json string representation of this object.

    See also JsonSerializable.

    [override virtual] QJsonObject LabelAngle::unknownJson() const

    Reimplements: JsonSerializable::unknownJson() const.

    Gets the unknown JSON of this object.

    See also JsonSerializable.

    [override virtual] QJsonObject LabelAngle::unsupportedJson() const

    Reimplements: JsonSerializable::unsupportedJson() const.

    Gets the unsupported JSON data of this object.

    See also JsonSerializable.

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