toMap method
Converts the BoxConstraints properties into a Map<String, double>.
The returned map contains the following keys:
'minWidth': The minimum width constraint.'maxWidth': The maximum width constraint.'minHeight': The minimum height constraint.'maxHeight': The maximum height constraint.
Implementation
Map<String, double> toMap() {
return {
'minWidth': minWidth,
'maxWidth': maxWidth,
'minHeight': minHeight,
'maxHeight': maxHeight,
};
}