Rebol Programming/screen-offset?

From Wikibooks, open books for an open world
< Rebol Programming
Jump to navigation Jump to search

USAGE:[edit | edit source]


DESCRIPTION:[edit | edit source]

Returns the absolute screen offset for any face.

SCREEN-OFFSET? is a function value.

ARGUMENTS[edit | edit source]

  • face -- (Type: object)

SOURCE CODE[edit | edit source]

screen-offset?: func [
    "Returns the absolute screen offset for any face." 
    face [object!] 
    /local xy
    xy: face/offset 
    while [face: face/parent-face] [
        xy: xy + face/offset 
        if face/edge [xy: xy + face/edge/size]