performLayout method

  1. @override
dynamic performLayout(
  1. PrinterConstraints constraints,
  2. PrinterCanvas canvas
)
override

布局

Implementation

@override
performLayout(PrinterConstraints constraints, PrinterCanvas canvas) {
  super.performLayout(constraints, canvas);
  for (var child in children) {
    if (child.isRender) {
      child.performLayout(constraints, canvas);
    }
  }
}