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}) {
box = PdfRect.fromPoints(PdfPoint.zero, _applyAspectRatio(constraints));
if (child != null) {
child!.layout(context,
BoxConstraints.tightFor(width: box!.width, height: box!.height));
}
assert(child!.box != null);
}