6.6 DUIM-Graphics Module

with-output-to-pixmap

Macro

Summary

Executes a body of code, returning the results to a pixmap.

Macro call

with-output-to-pixmap (medium, #rest options) body end => pixmap

Arguments

medium: An instance of type <pixmap-medium>.
options: An instance of type <object>.
body: An instance of type <object>.

Values

pixmap: An instance of type <pixmap>.

Library

duim-graphics

Module

duim-graphics

Description

Executes a body of code, returning the results to a pixmap.Binds medium to a pixmap medium, that is, a medium that does output to a pixmap, and then evaluates body in that context. All the output done to medium inside of body is drawn on the pixmap stream. The pixmap medium supports the medium output protocol, including all of the graphics functions.

The returned value is a pixmap that can be drawn onto medium using copy-from-pixmap.