decode static method

BackgroundLayer decode(String properties)

Implementation

static BackgroundLayer decode(String properties) {
  var map = json.decode(properties);
  if (map["layout"] == null) {
    map["layout"] = {};
  }
  if (map["paint"] == null) {
    map["paint"] = {};
  }
  return BackgroundLayer(
    id: map["id"],
    minZoom: map["minzoom"]?.toDouble(),
    maxZoom: map["maxzoom"]?.toDouble(),
    slot: map["slot"],
    visibility: map["layout"]["visibility"] == null
        ? Visibility.VISIBLE
        : Visibility.values.firstWhere((e) => e.name
            .toLowerCase()
            .replaceAll("_", "-")
            .contains(map["layout"]["visibility"])),
    visibilityExpression: _optionalCastList(map["layout"]["visibility"]),
    filter: _optionalCastList(map["filter"]),
    backgroundColor: (map["paint"]["background-color"] as List?)?.toRGBAInt(),
    backgroundColorExpression:
        _optionalCastList(map["paint"]["background-color"]),
    backgroundEmissiveStrength:
        _optionalCast(map["paint"]["background-emissive-strength"]),
    backgroundEmissiveStrengthExpression:
        _optionalCastList(map["paint"]["background-emissive-strength"]),
    backgroundOpacity: _optionalCast(map["paint"]["background-opacity"]),
    backgroundOpacityExpression:
        _optionalCastList(map["paint"]["background-opacity"]),
    backgroundPattern: _optionalCast(map["paint"]["background-pattern"]),
    backgroundPatternExpression:
        _optionalCastList(map["paint"]["background-pattern"]),
    backgroundPitchAlignment:
        map["paint"]["background-pitch-alignment"] == null
            ? null
            : BackgroundPitchAlignment.values.firstWhere((e) => e.name
                .toLowerCase()
                .replaceAll("_", "-")
                .contains(map["paint"]["background-pitch-alignment"])),
    backgroundPitchAlignmentExpression:
        _optionalCastList(map["paint"]["background-pitch-alignment"]),
  );
}