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This interface must be implemented by any snip class who’s
objects will be stretchable when inserted into an
aligned-pasteboard<%>.
方法
(send a-stretchable-snip get-aligned-min-height) → real?
The minimum height that the snip can be resized to
方法
(send a-stretchable-snip get-aligned-min-width) → real?
The minimum width that the snip can be resized to.
方法
(send a-stretchable-snip stretchable-height) → boolean?
Whether or not the snip can be stretched in the Y dimension
方法
(send a-stretchable-snip stretchable-width) → boolean?
Whether or not the snip can be stretched in the X dimension