spacing property
The gap, in logical pixels, between point and the portal's anchor.
The direction is implied by anchor. For example, given a spacing of 4 and a Alignment.topLeft anchor, the portal will be positioned 4 pixels down and to the right of point.
• point
↘ 4px
┌────────┐
│ portal │
└────────┘
Applied before overflow.
Defaults to 0.
Implementation
final double spacing;