toMap method
Implementation
Map<String, dynamic> toMap() {
return {
if (_haveLocation) "s_X": startX,
if (_haveLocation) "s_Y": startY,
"w": width,
"h": height,
"min_W": minWidth,
"min_H": minHeight,
if (maxHeight != null) "max_H": maxHeight,
if (maxWidth != null) "max_W": maxWidth,
};
}