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without-relative-drawing

Macro
Summary

Evaluates a body of Lisp code with the relative and collect internal variables of the port set to nil.

Package

graphics-ports

Signature

without-relative-drawing ( port ) &body body => result

Arguments

port

A graphic port.

body

A body of Lisp code.

Values

result

The return value of the last form executed in body .

Description

The macro with-relative-drawing evaluates the code in body with the relative and collect internal variables of the pixmap graphics port port set to nil to turn off the port's collecting of drawing bounds and automatic shifting of its origins. Use this macro only within a with-pixmap-graphics-port macro.


CAPI User Guide and Reference Manual (Macintosh version) - 3 Aug 2017

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