layout method
void
layout(
- Context context,
- BoxConstraints constraints, {
- bool parentUsesSize = false,
override
First widget pass to calculate the children layout and bounding box
Implementation
@override
void layout(Context context, BoxConstraints constraints,
{bool parentUsesSize = false}) {
if (child != null) {
child!.layout(context, constraints, parentUsesSize: parentUsesSize);
assert(child!.box != null);
box = child!.box;
} else {
box = PdfRect.fromPoints(PdfPoint.zero, constraints.constrain(size));
}
}