-;;; tex.scm -- implement Scheme output routines for TeX
-;;;
-;;; source file of the GNU LilyPond music typesetter
-;;;
-;;; (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
-;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
-
-(define-module (scm output-tex) )
-; (debug-enable 'backtrace)
-(use-modules (scm output-ps)
- (ice-9 regex)
+;;;; tex.scm -- implement Scheme output routines for TeX
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+
+;; (debug-enable 'backtrace)
+
+;; the public interface is tight.
+;; It has to be, because user-code is evalled with this module.
+
+(define-module (scm output-tex)
+ #:re-export (quote)
+ #:export (unknown
+ blank
+ dot
+ beam
+ bracket
+ dashed-slur
+ char
+ dashed-line
+ zigzag-line
+ symmetric-x-triangle
+ ez-ball
+ comment
+ repeat-slash
+ placebox
+ bezier-sandwich
+ horizontal-line
+ filledbox
+ round-filled-box
+ text
+ tuplet
+ polygon
+ draw-line
+ define-origin
+ no-origin
+ ))
+
+(use-modules (ice-9 regex)
(ice-9 string-fun)
(ice-9 format)
(guile)
(srfi srfi-13)
- (lily)
- )
-
-(define this-module (current-module))
+ (scm framework-tex)
+ (lily))
;;;;;;;;
;;;;;;;; DOCUMENT ME!
;;;;;;;;
-(define font-name-alist '())
-
-(define (tex-encoded-fontswitch name-mag)
- (let* ((iname-mag (car name-mag))
- (ename-mag (cdr name-mag)))
-
- (cons iname-mag
- (cons ename-mag
- (string-append "magfont"
- (string-encode-integer
- (hashq (car ename-mag) 1000000))
- "m"
- (string-encode-integer
- (inexact->exact (round (* 1000 (cdr ename-mag))))))))))
-
-(define (define-fonts internal-external-name-mag-pairs)
- (set! font-name-alist (map tex-encoded-fontswitch
- internal-external-name-mag-pairs))
- (apply string-append
- (map (lambda (x)
- (font-load-command (car x) (cdr x)))
- (map cdr font-name-alist))))
-
-
-
-;; urg, how can exp be #unspecified? -- in sketch output
-;;
-;; set! returns #<unspecified> --hwn
-(define (fontify name-mag-pair exp)
- (string-append (select-font name-mag-pair)
- exp))
(define (unknown)
"%\n\\unknown\n")
-(define (symbol->tex-key sym)
- (regexp-substitute/global
- #f "_" (output-tex-string (symbol->string sym)) 'pre "X" 'post) )
-
-(define (tex-string-def prefix key str)
- (if (equal? "" (sans-surrounding-whitespace (output-tex-string str)))
- (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
- (string-append "\\def\\" prefix (symbol->tex-key key) "{" (output-tex-string str) "}%\n")
- ))
-
-(define (tex-number-def prefix key number)
- (string-append "\\def\\" prefix (symbol->tex-key key) "{" number "}%\n"))
-
-(define (output-paper-def pd)
- (apply
- string-append
- (module-map
- (lambda (sym var)
- (let ((val (variable-ref var))
- (key (symbol->tex-key sym)))
-
- (cond
- ((string? val)
- (tex-string-def "lilypondpaper" sym val))
- ((number? val)
- (tex-number-def "lilypondpaper" sym
- (if (integer? val)
- (number->string val)
- (number->string (exact->inexact val)))))
- (else ""))))
-
- (ly:output-def-scope pd))))
-
-(define (output-scopes paper scopes fields basename)
- (define (output-scope scope)
- (apply
- string-append
- (module-map
- (lambda (sym var)
- (let ((val (variable-ref var))
- ;;(val (if (variable-bound? var) (variable-ref var) '""))
- (tex-key (symbol->string sym)))
-
- (if (memq sym fields)
- (header-to-file basename sym val))
-
- (cond
- ((string? val)
- (tex-string-def "lilypond" sym val))
- ((number? val)
- (tex-number-def "lilypond" sym
- (if (integer? val)
- (number->string val)
- (number->string (exact->inexact val)))))
- (else ""))))
- scope)))
-
- (apply string-append
- (map output-scope scopes)))
-
-(define (select-font name-mag-pair)
- (let ((c (assoc name-mag-pair font-name-alist)))
-
- (if c
- (string-append "\\" (cddr c))
- (begin
- (ly:warn (string-append
- "Programming error: No such font known "
- (car name-mag-pair) " "
- (ly:number->string (cdr name-mag-pair))))
-
- (display "FAILED\n" (current-error-port))
- (if #f ;(pair? name-mag-pair))
- (display (object-type (car name-mag-pair)) (current-error-port))
- (write name-mag-pair (current-error-port)))
- (if #f ; (pair? font-name-alist)
- (display
- (object-type (caaar font-name-alist)) (current-error-port))
- (write font-name-alist (current-error-port)))
-
- ;; (format #f "\n%FAILED: (select-font ~S)\n" name-mag-pair))
- ""))))
-
-;; top-of-file, wtf? ugh: tagline?
-(define (top-of-file)
- (string-append
- "% generated by LilyPond "
- (lilypond-version) " (http://lilypond.org).\n"
- "\\def\\lilypondtagline{Engraved by LilyPond (version "
- (lilypond-version)
- ")}\n"
- ))
+
(define (blank)
"")
(define (dashed-slur thick dash l)
(embedded-ps (list 'dashed-slur thick dash `(quote ,l))))
-(define (char i)
- (string-append "\\char" (inexact->string i 10) " "))
+(define (char font i)
+ (string-append "\\" (tex-font-command font)
+ "\\char" (ly:inexact->string i 10) " "))
(define (dashed-line thick on off dx dy)
(embedded-ps (list 'dashed-line thick on off dx dy)))
(define (symmetric-x-triangle t w h)
(embedded-ps (list 'symmetric-x-triangle t w h)))
-(define (font-load-command name-mag command)
- (string-append
- "\\font\\" command "="
- (car name-mag)
- " scaled "
- (ly:number->string (inexact->exact (round (* 1000 (cdr name-mag)))))
- "\n"))
(define (ez-ball c l b)
(embedded-ps (list 'ez-ball c l b)))
-(define (header-to-file fn key val)
- (set! key (symbol->string key))
- (if (not (equal? "-" fn))
- (set! fn (string-append fn "." key))
- )
- (display
- (format "writing header field `~a' to `~a'..."
- key
- (if (equal? "-" fn) "<stdout>" fn)
- )
- (current-error-port))
- (if (equal? fn "-")
- (display val)
- (display val (open-file fn "w"))
- )
- (display "\n" (current-error-port))
- ""
- )
+
(define (embedded-ps expr)
(let ((ps-string
(lambda () (ps-output-expression expr (current-output-port))))))
(string-append "\\embeddedps{" ps-string "}")))
-(define (comment s)
- (string-append "% " s "\n"))
-
-(define (end-output)
- (begin
- ; uncomment for some stats about lily memory
- ; (display (gc-stats))
- (string-append
- "\\lilypondend\n"
- ; Put GC stats here.
- )))
-
-(define (experimental-on)
- "")
(define (repeat-slash w a t)
(embedded-ps (list 'repeat-slash w a t)))
-(define (header-end)
- (string-append
- "\\def\\scaletounit{ "
- (number->string (cond
- ((equal? (ly:unit) "mm") (/ 72.0 25.4))
- ((equal? (ly:unit) "pt") (/ 72.0 72.27))
- (else (error "unknown unit" (ly:unit)))
- ))
- " mul }%\n"
- "\\ifx\\lilypondstart\\undefined\n"
- " \\input lilyponddefs\n"
- "\\fi\n"
- "\\outputscale = \\lilypondpaperoutputscale\\lilypondpaperunit\n"
- "\\lilypondstart\n"
- "\\lilypondspecial\n"
- "\\lilypondpostscript\n"))
-
-;; Note: this string must match the string in lilypond.py!!!
-(define (header creator generate)
- (string-append
- "% Generated automatically by: " creator generate "\n"))
-
-(define (invoke-char s i)
- (string-append
- "\n\\" s "{" (inexact->string i 10) "}" ))
-
-;;
-;; need to do something to make this really safe.
-;;
-(define-public (output-tex-string s)
- (if security-paranoia
- (regexp-substitute/global #f "\\\\" s 'pre "$\\backslash$" 'post)
- s))
-
-(define (lily-def key val)
- (let ((tex-key
- (regexp-substitute/global
- #f "_" (output-tex-string key) 'pre "X" 'post))
-
- (tex-val (output-tex-string val)))
- (if (equal? (sans-surrounding-whitespace tex-val) "")
- (string-append "\\let\\" tex-key "\\undefined\n")
- (string-append "\\def\\" tex-key "{" tex-val "}%\n"))))
+
(define (number->dim x)
(string-append
(ly:number->string x) " \\outputscale "))
(define (placebox x y s)
- (string-append "\\lyitem{"
- (ly:number->string y) "}{"
- (ly:number->string x) "}{"
- s "}%\n"))
+ (string-append
+ "\\lyitem{" (ly:number->string x) "}{" (ly:number->string y) "}{" s "}%\n"))
(define (bezier-sandwich l thick)
(embedded-ps (list 'bezier-sandwich `(quote ,l) thick)))
-(define (start-system wd ht)
- (string-append "\\leavevmode\n"
- "\\scoreshift = " (number->dim (* ht 0.5)) "\n"
- "\\lilypondifundefined{lilypondscoreshift}%\n"
- " {}%\n"
- " {\\advance\\scoreshift by -\\lilypondscoreshift}%\n"
- "\\lybox{"
- (ly:number->string wd) "}{"
- (ly:number->string ht) "}{%\n"))
-
-(define (stop-system)
- "}%\n%\n\\interscoreline\n%\n")
-(define (stop-last-system)
- "}%\n")
-
+;; WTF is this in every backend?
(define (horizontal-line x1 x2 th)
- (filledbox (- x1) (- x2 x1) (* .5 th) (* .5 th )))
+ (filledbox (- x1) (- x2 x1) (* .5 th) (* .5 th)))
(define (filledbox breapth width depth height)
(if (and #f (defined? 'ps-testing))
(embedded-ps
- (string-append (numbers->string (list breapth width depth height))
+ (string-append (ly:numbers->string (list breapth width depth height))
" draw_box" ))
(string-append "\\lyvrule{"
(ly:number->string (- breapth)) "}{"
(define (round-filled-box x y width height blotdiam)
(embedded-ps (list 'round-filled-box x y width height blotdiam)))
-(define (text s)
- (string-append "\\hbox{" (output-tex-string s) "}"))
+(define (text font s)
+ (let*
+ ((mapping #f) ;; (assoc-get 'char-mapping (ly:font-encoding-alist font))))
+
+
+ ;; TODO: we'd better do this for PS only
+ ;; LaTeX gets in the way, and we need to remap
+ ;; nonprintable chars.
+
+ (input-enc-name #f) ;; (assoc-get 'input-name (ly:font-encoding-alist font) ))
+ )
+
+ (string-append "\\hbox{\\" (tex-font-command font)
+ (if (string? input-enc-name)
+ (string-append "\\inputencoding{" input-enc-name "}")
+ "{}")
+ (sanitize-tex-string
+ (if (vector? mapping)
+ (reencode-string mapping s)
+ s))
+ "}")))
+
(define (tuplet ht gapx dx dy thick dir)
(embedded-ps (list 'tuplet ht gapx dx dy thick dir)))
(define (draw-line thick fx fy tx ty)
(embedded-ps (list 'draw-line thick fx fy tx ty)))
-;; TODO: this should be a default, which is overriden in PS
-(define (between-system-string string)
- string
- )
(define (define-origin file line col)
(if (procedure? point-and-click)
(string-append "\\special{src:" ;;; \\string ?
(point-and-click line col file)
"}" )
- "")
- )
+ ""))
;; no-origin not yet supported by Xdvi
(define (no-origin) "")
-(define-public (tex-output-expression expr port)
- (display (eval expr this-module) port ))