Clickable RoundLines and of tranparent Image Stacking

[Seahorse]

This section explain it in detail. In short Rouldline arcs are only clickable with H & W defined, but then stacking means only the top one works.

Request: Make Roundline arcs clickable.

Images of arcs with transparent backgrounds work singly (are clickable) with non-clickabble transparent areas. Stacking them to makes on the upper image INCLUDING the transparent area clickable.

Request: Make transparent image areas click-through when stacked.