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#lang debug br/quicklang
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(require racket/promise racket/list sugar/list sugar/debug "quad.rkt" "atomize.rkt" "wrap.rkt" "qexpr.rkt" "generic.rkt" "position.rkt")
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(require pitfall/document)
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(provide (rename-out [mb #%module-begin]) (except-out (all-from-out br/quicklang) #%module-begin))
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(define optional-break? (λ (q) (and (quad? q) (memv (car (elems q)) '(#\space #\- #\u00AD)))))
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(struct $shim $quad () #:transparent)
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(struct $char $quad () #:transparent)
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(define (charify q)
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($char (hash-set* (attrs q)
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'size (if (equal? (elems q) '(#\u00AD))
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(λ (sig) (case sig
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[(end) '(7.2 12)]
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[else '(0 0)]))
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(const '(7.2 12)))
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'draw (λ (q doc) (send/apply doc text (apply string (elems q)) (origin q)))) (elems q)))
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(struct $line $quad () #:transparent)
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(struct $page $quad () #:transparent)
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(struct $doc $quad () #:transparent)
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(struct $break $quad () #:transparent)
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(define (break . xs) ($break (hasheq 'size '(0 0)) xs))
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(define line-height 16)
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(define (line-wrap xs size [debug #f])
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(wrap xs size debug
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#:break-val (break #\newline)
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#:optional-break-proc optional-break?
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#:finish-wrap-proc (λ (pcs) (list ($line (hasheq 'size (list +inf.0 line-height) 'out 'sw) pcs)))))
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(define (page-wrap xs size [debug #f])
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(wrap xs size debug
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#:break-val (break #\page)
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#:optional-break-proc $break?
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#:finish-wrap-proc (λ (pcs) (list ($page (hasheq) (filter-not $break? pcs))))))
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(define (typeset args)
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(define chars 33)
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(define line-width (* 7.2 chars))
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(define lines-per-page (* 40 line-height))
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(position ($doc (hasheq 'origin '(36 36)) (page-wrap (line-wrap (map charify (atomize (apply quad #f args))) line-width) lines-per-page))))
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(require hyphenate)
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(define-macro (mb . ARGS)
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(with-pattern ([PS (syntax-property #'ARGS 'ps)])
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#'(#%module-begin
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(define q (typeset (map hyphenate (list . ARGS))))
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;q
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(let ([doc (make-object PDFDocument
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(hasheq 'compress #f
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'size '(300 400)))])
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(send* doc
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[pipe (open-output-file PS #:exists 'replace)]
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[font "Courier"]
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[fontSize 12])
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(draw q doc)
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(send doc end))
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(void))))
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(module reader syntax/module-reader
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quad/typewriter
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#:read quad-read
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#:read-syntax quad-read-syntax
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#:whole-body-readers? #t ;; need this to make at-reader work
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(require scribble/reader)
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(define (quad-read p) (syntax->datum (quad-read-syntax (object-name p) p)))
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(define (quad-read-syntax path-string p)
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(define quad-at-reader (make-at-reader
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#:syntax? #t
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#:inside? #t))
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(syntax-property (quad-at-reader path-string p) 'ps (path-replace-extension path-string #".pdf")))) |