1 ;;;; framework-tex.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 (define-module (scm framework-tex)
8 #:export (output-framework-tex
9 output-classic-framework-tex
12 (use-modules (ice-9 regex)
19 (define-public (sanitize-tex-string s) ;; todo: rename
20 (if (ly:get-option 'safe)
21 (regexp-substitute/global #f "\\\\"
22 (regexp-substitute/global #f "([{}])" "bla{}" 'pre "\\" 1 'post )
23 'pre "$\\backslash$" 'post)
27 (define (symbol->tex-key sym)
28 (regexp-substitute/global
29 #f "_" (sanitize-tex-string (symbol->string sym)) 'pre "X" 'post) )
31 (define (tex-number-def prefix key number)
33 "\\def\\" prefix (symbol->tex-key key) "{" number "}%\n"))
35 (define-public (tex-font-command font)
38 (string-encode-integer
39 (hashq (ly:font-filename font) 1000000))
41 (string-encode-integer
42 (inexact->exact (round (* 1000 (ly:font-magnification font)))))))
44 (define (font-load-command bookpaper font)
46 "\\font\\" (tex-font-command font) "="
47 (ly:font-filename font)
49 (ly:number->string (inexact->exact
51 (ly:font-magnification font)
52 (ly:bookpaper-outputscale bookpaper)))))
56 (define (define-fonts bookpaper)
58 "\\def\\lilypondpaperunit{mm}" ;; UGH. FIXME.
59 (tex-number-def "lilypondpaper" 'outputscale
60 (number->string (exact->inexact
61 (ly:bookpaper-outputscale bookpaper))))
62 (tex-string-def "lilypondpaper" 'papersize
63 (eval 'papersize (ly:output-def-scope bookpaper)))
66 (map (lambda (x) (font-load-command bookpaper x))
67 (ly:bookpaper-fonts bookpaper)))))
69 (define (header-to-file fn key val)
70 (set! key (symbol->string key))
71 (if (not (equal? "-" fn))
72 (set! fn (string-append fn "." key)))
74 (format "Writing header field `~a' to `~a'..."
76 (if (equal? "-" fn) "<stdout>" fn)
81 (display val (open-file fn "w")))
82 (display "\n" (current-error-port))
85 (define (output-scopes scopes fields basename)
86 (define (output-scope scope)
91 (let ((val (if (variable-bound? var) (variable-ref var) ""))
94 (if (and (memq sym fields) (string? val))
95 (header-to-file basename sym val))
98 (apply string-append (map output-scope scopes)))
100 (define (tex-string-def prefix key str)
101 (if (equal? "" (sans-surrounding-whitespace (sanitize-tex-string str)))
102 (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
103 (string-append "\\def\\" prefix (symbol->tex-key key)
104 "{" (sanitize-tex-string str) "}%\n")))
106 (define (header bookpaper page-count classic?)
107 (let ((scale (ly:output-def-lookup bookpaper 'outputscale)))
110 "% Generated by LilyPond "
111 (lilypond-version) "\n"
112 "% at " "time-stamp,FIXME" "\n"
114 (tex-string-def "lilypond" 'classic "1")
118 "lilypondpaper" 'linewidth
119 (ly:number->string (* scale (ly:output-def-lookup bookpaper 'linewidth))))
122 "lilypondpaper" 'interscoreline
124 (* scale (ly:output-def-lookup bookpaper 'interscoreline)))))))
128 "\\def\\scaletounit{ "
129 (number->string (cond
130 ((equal? (ly:unit) "mm") (/ 72.0 25.4))
131 ((equal? (ly:unit) "pt") (/ 72.0 72.27))
132 (else (error "unknown unit" (ly:unit)))))
134 "\\ifx\\lilypondstart\\undefined\n"
135 " \\input lilyponddefs\n"
137 "\\outputscale = \\lilypondpaperoutputscale\\lilypondpaperunit\n"
139 "\\lilypondspecial\n"
140 "\\lilypondpostscript\n"))
142 (define (dump-page putter page last?)
143 (ly:outputter-dump-string
145 "\\vbox to 0pt{%\n\\leavevmode\n\\lybox{0}{0}{0}{0}{%\n")
146 (ly:outputter-dump-stencil putter page)
147 (ly:outputter-dump-string
150 "}\\vss\n}\n\\vfill\n"
151 "}\\vss\n}\n\\vfill\\lilypondpagebreak\n")))
153 (define-public (output-framework outputter book scopes fields basename )
154 (let* ((bookpaper (ly:paper-book-book-paper book))
155 (pages (ly:paper-book-pages book))
156 (last-page (car (last-pair pages)))
160 (ly:outputter-dump-string outputter x))
162 (header bookpaper (length pages) #f)
163 (define-fonts bookpaper)
167 (lambda (page) (dump-page outputter page (eq? last-page page)))
169 (ly:outputter-dump-string outputter "\\lilypondend\n")))
171 (define (dump-line putter line last?)
172 (ly:outputter-dump-string
174 (string-append "\\leavevmode\n\\lybox{0}{0}{0}{"
175 (ly:number->string (interval-length (ly:paper-system-extent line Y)))
178 (ly:outputter-dump-stencil putter (ly:paper-system-stencil line))
179 (ly:outputter-dump-string
183 "}\\interscoreline\n")))
185 (define-public (output-classic-framework
186 outputter book scopes fields basename)
187 (let* ((bookpaper (ly:paper-book-book-paper book))
188 (lines (ly:paper-book-systems book))
189 (last-line (car (last-pair lines))))
192 (ly:outputter-dump-string outputter x))
195 (header bookpaper (length lines) #f)
196 "\\def\\lilypondclassic{1}%\n"
197 (output-scopes scopes fields basename)
198 (define-fonts bookpaper)
202 (lambda (line) (dump-line outputter line (eq? line last-line))) lines)
203 (ly:outputter-dump-string outputter "\\lilypondend\n")))
206 (define-public (output-preview-framework
207 outputter book scopes fields basename )
208 (let* ((bookpaper (ly:paper-book-book-paper book))
209 (lines (ly:paper-book-systems book)))
212 (ly:outputter-dump-string outputter x))
215 (header "creator" "timestamp" bookpaper (length lines) #f)
216 "\\def\\lilypondclassic{1}%\n"
217 (output-scopes scopes fields basename)
218 (define-fonts bookpaper)
221 (dump-line outputter (car lines) #t)
222 (ly:outputter-dump-string outputter "\\lilypondend\n")))
225 (define-public (convert-to-pdf book name)
227 ((defs (ly:paper-book-book-paper book))
228 (size (ly:output-def-lookup defs 'papersize)))
230 (postscript->pdf (if (string? size) size "a4")
232 (basename name ".tex")
236 (define-public (convert-to-png book name)
238 ((defs (ly:paper-book-book-paper book))
239 (resolution (ly:output-def-lookup defs 'pngresolution)))
242 (if (number? resolution) resolution 90)
243 (string-append (basename name ".tex") ".ps")
246 (define-public (convert-to-ps book name)
248 ((cmd (string-append "dvips -u+ec-mftrace.map -u+lilypond.map -Ppdf " (basename name ".tex"))))
250 (display (format #f "invoking ~S" cmd))
253 (define-public (convert-to-dvi book name)
255 ((cmd (string-append "latex " name)))
257 (display (format #f "invoking ~S\n" cmd))
260 (define-public (convert-to-tex book name)