getFont static method Null safety

TextStyle getFont(
  1. String fontFamily,
  2. {TextStyle? textStyle,
  3. Color? color,
  4. Color? backgroundColor,
  5. double? fontSize,
  6. FontWeight? fontWeight,
  7. FontStyle? fontStyle,
  8. double? letterSpacing,
  9. double? wordSpacing,
  10. TextBaseline? textBaseline,
  11. double? height,
  12. Locale? locale,
  13. Paint? foreground,
  14. Paint? background,
  15. List<Shadow>? shadows,
  16. List<FontFeature>? fontFeatures,
  17. TextDecoration? decoration,
  18. Color? decorationColor,
  19. TextDecorationStyle? decorationStyle,
  20. double? decorationThickness}
)

Retrieve a font by family name.

Applies the given font family from Google Fonts to the given textStyle and returns the resulting TextStyle.

Note: fontFamily is case-sensitive.

Parameter fontFamily must not be null. Throws if no font by name fontFamily exists.

Implementation

static TextStyle getFont(
  String fontFamily, {
  TextStyle? textStyle,
  Color? color,
  Color? backgroundColor,
  double? fontSize,
  FontWeight? fontWeight,
  FontStyle? fontStyle,
  double? letterSpacing,
  double? wordSpacing,
  TextBaseline? textBaseline,
  double? height,
  Locale? locale,
  Paint? foreground,
  Paint? background,
  List<ui.Shadow>? shadows,
  List<ui.FontFeature>? fontFeatures,
  TextDecoration? decoration,
  Color? decorationColor,
  TextDecorationStyle? decorationStyle,
  double? decorationThickness,
}) {
  final fonts = GoogleFonts.asMap();
  if (!fonts.containsKey(fontFamily)) {
    throw Exception("No font family by name '$fontFamily' was found.");
  }
  return fonts[fontFamily]!(
    textStyle: textStyle,
    color: color,
    backgroundColor: backgroundColor,
    fontSize: fontSize,
    fontWeight: fontWeight,
    fontStyle: fontStyle,
    letterSpacing: letterSpacing,
    wordSpacing: wordSpacing,
    textBaseline: textBaseline,
    height: height,
    locale: locale,
    foreground: foreground,
    background: background,
    shadows: shadows,
    fontFeatures: fontFeatures,
    decoration: decoration,
    decorationColor: decorationColor,
    decorationStyle: decorationStyle,
    decorationThickness: decorationThickness,
  );
}