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20 lines
752 B
Racket
20 lines
752 B
Racket
#lang racket/base
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(require "struct.rkt")
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(provide (all-defined-out))
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(define default-font-family "text")
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(define default-font-size 12)
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(define-syntax-rule (define-attr-list LIST-NAME
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[ATTR-NAME ATTR-EXPR] ...)
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(begin
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(define ATTR-NAME ATTR-EXPR) ...
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(define LIST-NAME (list ATTR-NAME ...))))
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(define-attr-list all-attrs
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[:unknown-key (make-attr-unknown-key (gensym))]
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[:font-family (make-attr-uncased-string-key 'font-family #true default-font-family)]
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[:font-path (make-attr-path-key 'font-path)]
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[:font-bold (make-attr-boolean-key 'font-bold #true #false)]
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[:font-italic (make-attr-boolean-key 'font-italic #true #false)]
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[:font-size (make-attr-dimension-string-key 'font-size #true default-font-size)]) |