debugPaint method

Implementation

@override
void debugPaint(PaintingContext context, Offset offset) {
  super.debugPaint(context, offset);
  assert(() {
    if (debugPaintSizeEnabled) {
      final Size parentSize = getAbsoluteSizeRelativeToOrigin();
      final Rect outerRect = offset & parentSize;
      Size childSize;
      Rect innerRect;
      if (child != null) {
        childSize = child.getAbsoluteSizeRelativeToOrigin();
        final SliverPhysicalParentData childParentData = child.parentData;
        innerRect = (offset + childParentData.paintOffset) & childSize;
        assert(innerRect.top >= outerRect.top);
        assert(innerRect.left >= outerRect.left);
        assert(innerRect.right <= outerRect.right);
        assert(innerRect.bottom <= outerRect.bottom);
      }
      debugPaintPadding(context.canvas, outerRect, innerRect);
    }
    return true;
  }());
}