Rectangle constructor
Represents rectangle location of each document field
Implementation
Rectangle(Map<String, dynamic> nativeRect) {
x = nativeRect['x'] != null ? nativeRect['x'] * 1.0 : null;
y = nativeRect['y'] != null ? nativeRect['y'] * 1.0 : null;
width = nativeRect['width'] != null ? nativeRect['width'] * 1.0 : null;
height = nativeRect['height'] != null ? nativeRect['height'] * 1.0 : null;
}