ImageAnnotation constructor
ImageAnnotation({})
Implementation
ImageAnnotation({
super.userInfo,
super.onTap,
super.fixed = false,
super.yAxisPosition = 0,
super.minZoomVisible,
super.maxZoomVisible,
this.anchor,
required this.image,
this.positions,
this.offset = Offset.zero,
}) : assert(positions != null || anchor != null, 'positions or anchor must be not null');