copyWith method

Implementation

TextStyle copyWith({
  bool? inherit,
  Color? color,
  Color? backgroundColor,
  double? fontSize,
  FontWeight? fontWeight,
  FontStyle? fontStyle,
  double? letterSpacing,
  double? wordSpacing,
  TextBaseline? textBaseline,
  double? height,
  TextLeadingDistribution? leadingDistribution,
  Locale? locale,
  Paint? foreground,
  Paint? background,
  List<Shadow>? shadows,
  List<FontFeature>? fontFeatures,
  List<FontVariation>? fontVariations,
  TextDecoration? decoration,
  Color? decorationColor,
  TextDecorationStyle? decorationStyle,
  double? decorationThickness,
  String? debugLabel,
  String? fontFamily,
  List<String>? fontFamilyFallback,
  String? package,
  TextOverflow? overflow,
}) {
  assert(color == null || foreground == null, _kColorForegroundWarning);
  assert(backgroundColor == null || background == null, _kColorBackgroundWarning);
  String? newDebugLabel;
  assert(() {
    if (debugLabel != null) {
      newDebugLabel = debugLabel;
    } else if (this.debugLabel != null) {
      newDebugLabel = '(${this.debugLabel}).copyWith';
    }
    return true;
  }());

  return TextStyle(
    inherit: inherit ?? this.inherit,
    color: this.foreground == null && foreground == null ? color ?? this.color : null,
    backgroundColor: this.background == null && background == null
        ? backgroundColor ?? this.backgroundColor
        : null,
    fontSize: fontSize ?? this.fontSize,
    fontWeight: fontWeight ?? this.fontWeight,
    fontStyle: fontStyle ?? this.fontStyle,
    letterSpacing: letterSpacing ?? this.letterSpacing,
    wordSpacing: wordSpacing ?? this.wordSpacing,
    textBaseline: textBaseline ?? this.textBaseline,
    height: height ?? this.height,
    leadingDistribution: leadingDistribution ?? this.leadingDistribution,
    locale: locale ?? this.locale,
    foreground: foreground ?? this.foreground,
    background: background ?? this.background,
    shadows: shadows ?? this.shadows,
    fontFeatures: fontFeatures ?? this.fontFeatures,
    fontVariations: fontVariations ?? this.fontVariations,
    decoration: decoration ?? this.decoration,
    decorationColor: decorationColor ?? this.decorationColor,
    decorationStyle: decorationStyle ?? this.decorationStyle,
    decorationThickness: decorationThickness ?? this.decorationThickness,
    debugLabel: newDebugLabel,
    fontFamily: fontFamily ?? _fontFamily,
    fontFamilyFallback: fontFamilyFallback ?? _fontFamilyFallback,
    package: package ?? _package,
    overflow: overflow ?? this.overflow,
  );
}