clone method
Implementation
TextFormat clone() => TextFormat(font, size, color,
strokeWidth: strokeWidth,
strokeColor: strokeColor,
fillGradient: fillGradient,
weight: weight,
bold: bold,
italic: italic,
underline: underline,
align: align,
verticalAlign: verticalAlign,
topMargin: topMargin,
bottomMargin: bottomMargin,
leftMargin: leftMargin,
rightMargin: rightMargin,
indent: indent,
leading: leading);