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8.1.2 XY-Format Images

The image-xy subtype represents an image as a sequence of bitmaps, one for each plane of the image, in most-significant to least-significant bit order. The following paragraphs describe the additional CLX functions that can be used to access image-xy objects.

Function: image-xy-bitmap-list image

An image-xy object.

Returns and (with setf) changes the list of bitmap planes for the image.


Type list of bitmap.