LineItem.fromJson constructor
Implementation
factory LineItem.fromJson(Map<String, dynamic> j) => LineItem(
x: (j['x'] as num).toDouble(), y: (j['y'] as num).toDouble(),
width: (j['width'] as num).toDouble(),
thickness: (j['thickness'] as num).toDouble(),
color: RaTeXColor.fromJson(j['color'] as Map<String, dynamic>),
);