Rebol 程式設計/screen-offset?

用法

SCREEN-OFFSET? face 

描述

返回任何面的絕對螢幕偏移。

SCREEN-OFFSET? 是一個函式值。

引數

• face -- (型別：物件)

原始碼

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]
    ] 
    xy
]