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))
11 (use-modules (ice-9 regex)
19 (define-public (sanitize-tex-string s)
20 (if (ly:get-option 'safe)
21 (regexp-substitute/global
23 (regexp-substitute/global #f "([{}])" s 'pre "\\" 1 'post )
24 '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"))
36 (define-public (digits->letters str)
37 (regexp-substitute/global
39 (regexp-substitute/global
46 (+ (char->integer #\A)
47 (- (char->integer #\0))
48 (char->integer (string-ref (match:substring match 1) 0)))
55 (define-public (tex-font-command-raw name magnification)
58 (string-encode-integer
61 (string-encode-integer
62 (inexact->exact (round (* 1000 magnification))))))
64 (define-public (tex-font-command font)
66 (ly:font-file-name font) (ly:font-magnification font)))
69 (define (otf-font-load-command paper font)
71 ((sub-fonts (ly:font-sub-fonts font)))
78 "\\font\\" (tex-font-command-raw sub-name (ly:font-magnification font))
81 (ly:number->string (inexact->exact
83 (ly:font-magnification font)
84 (ly:paper-outputscale paper)))))
89 (define (simple-font-load-command paper font)
90 (let* ((coding-alist (ly:font-encoding-alist font))
91 (font-encoding (assoc-get 'output-name coding-alist)))
93 "\\font\\lilypond" (tex-font-command font) "="
94 (if (or (equal? (ly:font-encoding font) "cork-lm")
95 ;; FIXME: encoding: FontSpecific for cork-lm
96 (string-prefix? "lm" (ly:font-file-name font)))
98 (ly:font-file-name font)
100 (ly:number->string (inexact->exact
102 (ly:font-magnification font)
103 (ly:paper-outputscale paper)))))
105 "\\def\\" (tex-font-command font) "{%\n"
106 ;; UGH. Should be handled via alist.
107 (if (or (equal? "Extended-TeX-Font-Encoding---Latin" font-encoding)
109 " \\lilypondfontencoding{T1}"
111 "\\lilypond" (tex-font-command font)
114 (define (font-load-command paper font)
115 (if (pair? (ly:font-sub-fonts font))
116 (otf-font-load-command paper font)
117 (simple-font-load-command paper font)))
119 (define (define-fonts paper)
122 "\\def\\lilypondpaperunit{mm}%\n"
123 (tex-number-def "lilypondpaper" 'outputscale
124 (number->string (exact->inexact
125 (ly:paper-outputscale paper))))
126 (tex-string-def "lilypondpaper" 'papersize
127 (eval 'papersizename (ly:output-def-scope paper)))
129 (tex-string-def "lilypondpaper" 'inputencoding
130 (eval 'inputencoding (ly:output-def-scope paper)))
133 (map (lambda (x) (font-load-command paper x))
134 (ly:paper-fonts paper)))))
136 (define (header-to-file fn key val)
137 (set! key (symbol->string key))
138 (if (not (equal? "-" fn))
139 (set! fn (string-append fn "." key)))
141 (format (_ "Writing header field `~a' to `~a'...")
143 (if (equal? "-" fn) "<stdout>" fn))
144 (current-error-port))
147 (display val (open-file fn "w")))
148 (newline (current-error-port))
151 (define (output-scopes scopes fields basename)
152 (define (output-scope scope)
157 (let ((val (if (variable-bound? var) (variable-ref var) "")))
158 (if (and (memq sym fields) (string? val))
159 (header-to-file basename sym val))
162 (apply string-append (map output-scope scopes)))
164 (define (tex-string-def prefix key str)
165 (if (equal? "" (sans-surrounding-whitespace (sanitize-tex-string str)))
166 (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
167 (string-append "\\def\\" prefix (symbol->tex-key key)
168 "{" (sanitize-tex-string str) "}%\n")))
170 (define (header paper page-count classic?)
171 (let ((scale (ly:output-def-lookup paper 'outputscale))
172 (texpaper (string-append
173 (ly:output-def-lookup paper 'papersizename)
175 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape))))
177 "% Generated by LilyPond "
178 (lilypond-version) "\n"
179 "% at " "time-stamp,FIXME" "\n"
181 (tex-string-def "lilypond" 'classic "1")
184 (if (ly:get-option 'safe)
189 "lilypondpaper" 'linewidth
190 (ly:number->string (* scale (ly:output-def-lookup paper 'linewidth))))
191 "\\def\\lilyponddocumentclassoptions{"
192 (sanitize-tex-string texpaper)
193 (if landscape? ",landscape" "")
196 "lilypondpaper" 'interscoreline
198 (* scale (ly:output-def-lookup paper 'interscoreline)))))))
202 "\\def\\scaletounit{ "
203 (number->string (cond
204 ((equal? (ly:unit) "mm") (/ 72.0 25.4))
205 ((equal? (ly:unit) "pt") (/ 72.0 72.27))
206 (else (error "unknown unit" (ly:unit)))))
208 "\\ifx\\lilypondstart\\undefined\n"
209 " \\input lilyponddefs\n"
212 "\\lilypondspecial\n"
213 "\\lilypondpostscript\n"))
215 (define (dump-page putter page last? with-extents?)
216 (ly:outputter-dump-string
218 (format "\\lybox{~a}{~a}{%\n"
220 (interval-start (ly:stencil-extent page X))
223 (- (interval-start (ly:stencil-extent page Y)))
225 (ly:outputter-dump-stencil putter page)
226 (ly:outputter-dump-string
230 "}%\n\\vfill\n\\lilypondpagebreak\n")))
232 (define-public (output-framework outputter book scopes fields basename )
233 (let* ((paper (ly:paper-book-paper book))
234 (pages (ly:paper-book-pages book))
235 (last-page (car (last-pair pages)))
237 (eq? #t (ly:output-def-lookup paper 'dump-extents))))
240 (ly:outputter-dump-string outputter x))
242 (header paper (length pages) #f)
245 (ly:outputter-dump-string outputter "\\lilypondnopagebreak\n")
248 (dump-page outputter page (eq? last-page page) with-extents))
250 (ly:outputter-dump-string outputter "\\lilypondend\n")))
252 (define (dump-line putter line last?)
253 (ly:outputter-dump-string
255 (format "\\lybox{~a}{~a}{%\n"
257 (max 0 (interval-end (ly:paper-system-extent line X))))
259 (interval-length (ly:paper-system-extent line Y)))))
261 (ly:outputter-dump-stencil putter (ly:paper-system-stencil line))
262 (ly:outputter-dump-string
266 "}\\interscoreline\n")))
268 (define-public (output-classic-framework
269 outputter book scopes fields basename)
270 (let* ((paper (ly:paper-book-paper book))
271 (lines (ly:paper-book-systems book))
272 (last-line (car (last-pair lines))))
275 (ly:outputter-dump-string outputter x))
278 (header paper (length lines) #f)
279 "\\def\\lilypondclassic{1}%\n"
280 (output-scopes scopes fields basename)
285 (lambda (line) (dump-line outputter line (eq? line last-line))) lines)
286 (ly:outputter-dump-string outputter "\\lilypondend\n")))
288 (define-public (output-preview-framework
289 outputter book scopes fields basename )
290 (let* ((paper (ly:paper-book-paper book))
291 (lines (ly:paper-book-systems book))
292 (first-notes-index (list-index
293 (lambda (s) (not (ly:paper-system-title? s)))
298 (ly:outputter-dump-string outputter x))
302 (header paper (length lines) #f)
303 "\\def\\lilypondclassic{1}%\n"
304 (output-scopes scopes fields basename)
310 (dump-line outputter l (not (ly:paper-system-title? l))))
311 (take lines (1+ first-notes-index)))
312 (ly:outputter-dump-string outputter "\\lilypondend\n")))
314 (define-public (convert-to-pdf book name)
315 (let* ((defs (ly:paper-book-paper book))
316 (papersizename (ly:output-def-lookup defs 'papersizename)))
317 (postscript->pdf (if (string? papersizename) papersizename "a4")
319 (basename name ".tex")
322 (define-public (convert-to-png book name)
323 (let* ((defs (ly:paper-book-paper book))
324 (resolution (ly:output-def-lookup defs 'pngresolution)))
326 (if (number? resolution)
328 (ly:get-option 'resolution))
329 (string-append (basename name ".tex") ".ps"))))
331 (define-public (convert-to-ps book name)
332 (let* ((paper (ly:paper-book-paper book))
333 (preview? (string-contains name ".preview"))
335 (papersizename (ly:output-def-lookup paper 'papersizename))
336 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape)))
337 (base (basename name ".tex"))
338 (cmd (string-append "dvips "
343 ;; careful: papersizename is user-set.
344 (sanitize-command-option papersizename)
346 (if landscape? "-t landscape " "")
347 (if (ly:kpathsea-find-file "lm.map")
349 (if (ly:kpathsea-find-file "ecrm10.pfa")
350 "-u+ec-mftrace.map " "")
351 "-u+lilypond.map -Ppdf " ""
353 (let ((ps-name (string-append base ".ps")))
354 (if (access? ps-name W_OK)
355 (delete-file ps-name)))
356 (if (not (ly:get-option 'verbose))
358 (format (current-error-port) (_ "Converting to `~a.ps'...") base)
359 (newline (current-error-port))))
362 (define-public (convert-to-dvi book name)
363 (let* ((curr-extra-mem
365 (regexp-substitute/global
367 (ly:kpathsea-expand-variable "$extra_mem_top")
369 (base (basename name ".tex"))
371 "latex \\\\nonstopmode \\\\input " name)))
372 (setenv "extra_mem_top" (number->string (max curr-extra-mem 1024000)))
373 (let ((dvi-name (string-append base ".dvi")))
374 (if (access? dvi-name W_OK)
375 (delete-file dvi-name)))
376 (if (not (ly:get-option 'verbose))
378 (format (current-error-port) (_ "Converting to `~a.dvi'...") base)
379 (newline (current-error-port))))
381 ;; fixme: set in environment?
382 (if (ly:get-option 'safe)
383 (set! cmd (string-append "openout_any=p " cmd)))
387 (define-public (convert-to-tex book name)