Gimp.UnitID

Integer IDs of built-in units used for dimensions in images. These IDs are meant to stay stable but user-created units IDs may change from one session to another.

UnitID.PIXEL

Pixels

UnitID.INCH

Inches

UnitID.MM

Millimeters

UnitID.POINT

Points

UnitID.PICA

Picas

UnitID.END

Marker for end-of-builtin-units

UnitID.PERCENT

Pseudo-unit percent