4.3 DUIM-DCs Module
<pen>
Abstract instantiable class
Summary
The protocol class for pens.
Superclasses
<object>
Init-keywords
width:- An instance of type
<integer>. Default value:1. units:- An instance of type
one-of(#"normal", #"point", #"device"). Default value:#"normal". dashes:- An instance of type
union(<boolean>, <sequence>). Default value:#f. joint-shape:- An instance of type
one-of(#"miter", #"bevel", #"round", #"none"). Default value:#"miter". cap-shape:- An instance of type
one-of(#"butt", #"square", #"round", #"no-end-point"). Default value:#"butt".
Library
duim-dcs
Module
duim-dcs
Description
The protocol class for pens. A pen imparts ink to a medium.
Operations
The following operations are exported from the DUIM-DCs module.
= pen? pen-cap-shape pen-dashes pen-joint-shape pen-units pen-width