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with-dither Macro

Summary

Specifies a dither for use within a specified body of code.

Package

graphics-ports

Signature

with-dither (dither-or-size) &body body => result

Arguments
dither-or-size
See Description.
body
A body of Lisp code.
Values
result
The return value of the last form executed in body.
Description

The macro with-dither specifies a dither for use within body. dither-or-size can be a dither mask object from make-dither or a size, in which case a dither of that size is created.

Notes

with-dither is deprecated. Dithers do not affect drawing or anti-aliasing.

See also

dither-color-spec
make-dither
initialize-dithers


CAPI User Guide and Reference Manual (Macintosh version) - 01 Dec 2021 19:31:44