box

The class of box objects. A box is created with make-box, and indicates a rectangular area in some coordinate system by specifying its left, top, right, and bottom coordinates. Boxes are useful for determining such things as a window's location and size or where to draw something on a graphical stream.

While boxes are geometric shapes, that can be drawn with drawing functions like draw-box, they are also used as data structures.

See also box-bottom, box-bottom-center, box-bottom-right, box-bottom-left, box-center, box-center-x, box-center-y, box-height, box-intersect, box-intersect-p, box-left, box-left-center, box-move, box-right, box-right-center, box-top, box-top-center, box-top-left, box-top-right, box-union, box-width, box=, boxp, center-to-box, center-to-box-x-y, copy-box, draw-box, erase-box, erase-contents-box, fill-box, and nbox-move.

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This page has had moderate revisions compared to the 8.1 page.
Created 2016.6.21.