getTextStyle method

Implementation

TextStyle? getTextStyle(BuildContext? context,
    {double? height, Color? backgroundColor}) {
  var textFont = font ??
      TDTheme.of(context).fontBodyLarge ??
      Font(size: 16, lineHeight: 24);

  var stylePackage = package;
  var styleFontFamily = style?.fontFamily ?? fontFamily?.fontFamily;
  var realFontWeight = style?.fontWeight ?? fontWeight;
  // Flutter 3.0之后，iOS w500之下字体不生效，需要替换字体
  if (PlatformUtil.isIOS &&
      (styleFontFamily == null || styleFontFamily.isEmpty) &&
      realFontWeight != null &&
      realFontWeight.index <= FontWeight.w500.index) {
    stylePackage = null;
    styleFontFamily = 'PingFang SC';
  }
  return TextStyle(
    inherit: style?.inherit ?? true,
    color: style?.color ?? textColor,

    /// 不使用系统本身的背景色，因为系统属性存在中英文是，会导致颜色出现阶梯状
    backgroundColor: backgroundColor,
    fontSize: style?.fontSize ?? textFont.size,
    fontWeight: style?.fontWeight ?? fontWeight ?? textFont.fontWeight,
    fontStyle: style?.fontStyle,
    letterSpacing: style?.letterSpacing,
    wordSpacing: style?.wordSpacing,
    textBaseline: style?.textBaseline,
    height: height ?? style?.height ?? textFont.height,
    leadingDistribution: style?.leadingDistribution,
    locale: style?.locale,
    foreground: style?.foreground,
    background: style?.background,
    shadows: style?.shadows,
    fontFeatures: style?.fontFeatures,
    decoration: style?.decoration ??
        (isTextThrough! ? TextDecoration.lineThrough : TextDecoration.none),
    decorationColor: style?.decorationColor ?? lineThroughColor,
    decorationStyle: style?.decorationStyle,
    decorationThickness: style?.decorationThickness,
    debugLabel: style?.debugLabel,
    fontFamily: styleFontFamily,
    fontFamilyFallback: style?.fontFamilyFallback,
    package: stylePackage,
  );
}