Watermark

A watermark can be attached to a pool. It is defined by an image and some properties.

Attributes


`image`	Watermark image (Asset, rw)
`dissolve`	Dissolve factor (integer in the range [0-100], rw)
`gravity`	Watermark position (string, rw): one of n, e, s, w, ne, nw, se, sw, c
`size`	Watermark size (string, rw): see below
`tile`	Tile (boolean, rw)

The size parameter is given as <widtdh>x<height>. The width and the height can be either pixels (integer) or a scale factor (integer+ “%”).