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)))
54 (define (otf-font-load-command paper font)
56 ((sub-fonts (ly:font-sub-fonts font))
57 (base-name (tex-font-command font)))
64 "\\font\\" (string-append base-name (digits->letters sub-name)) "="
67 (ly:number->string (inexact->exact
69 (ly:font-magnification font)
70 (ly:paper-outputscale paper)))))
74 "\\def\\" (tex-font-command font) "{"
77 "\\def\\" (string-append base-name (digits->letters name))
81 (define-public (tex-font-command font)
84 (string-encode-integer
85 (hashq (ly:font-file-name font) 1000000))
87 (string-encode-integer
88 (inexact->exact (round (* 1000 (ly:font-magnification font)))))))
90 (define (simple-font-load-command paper font)
91 (let* ((coding-alist (ly:font-encoding-alist font))
92 (font-encoding (assoc-get 'output-name coding-alist)))
94 "\\font\\lilypond" (tex-font-command font) "="
95 (if (or (equal? (ly:font-encoding font) "cork-lm")
96 ;; FIXME: encoding: FontSpecific for cork-lm
97 (string-prefix? "lm" (ly:font-file-name font)))
99 (ly:font-file-name font)
101 (ly:number->string (inexact->exact
103 (ly:font-magnification font)
104 (ly:paper-outputscale paper)))))
106 "\\def\\" (tex-font-command font) "{%\n"
107 ;; UGH. Should be handled via alist.
108 (if (or (equal? "Extended-TeX-Font-Encoding---Latin" font-encoding)
110 " \\lilypondfontencoding{T1}"
112 "\\lilypond" (tex-font-command font)
115 (define (font-load-command paper font)
116 (if (pair? (ly:font-sub-fonts font))
117 (otf-font-load-command paper font)
118 (simple-font-load-command paper font)))
120 (define (define-fonts paper)
123 "\\def\\lilypondpaperunit{mm}%\n"
124 (tex-number-def "lilypondpaper" 'outputscale
125 (number->string (exact->inexact
126 (ly:paper-outputscale paper))))
127 (tex-string-def "lilypondpaper" 'papersize
128 (eval 'papersizename (ly:output-def-scope paper)))
130 (tex-string-def "lilypondpaper" 'inputencoding
131 (eval 'inputencoding (ly:output-def-scope paper)))
134 (map (lambda (x) (font-load-command paper x))
135 (ly:paper-fonts paper)))))
137 (define (header-to-file fn key val)
138 (set! key (symbol->string key))
139 (if (not (equal? "-" fn))
140 (set! fn (string-append fn "." key)))
142 (format (_ "Writing header field `~a' to `~a'...")
144 (if (equal? "-" fn) "<stdout>" fn))
145 (current-error-port))
148 (display val (open-file fn "w")))
149 (newline (current-error-port))
152 (define (output-scopes scopes fields basename)
153 (define (output-scope scope)
158 (let ((val (if (variable-bound? var) (variable-ref var) "")))
159 (if (and (memq sym fields) (string? val))
160 (header-to-file basename sym val))
163 (apply string-append (map output-scope scopes)))
165 (define (tex-string-def prefix key str)
166 (if (equal? "" (sans-surrounding-whitespace (sanitize-tex-string str)))
167 (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
168 (string-append "\\def\\" prefix (symbol->tex-key key)
169 "{" (sanitize-tex-string str) "}%\n")))
171 (define (header paper page-count classic?)
172 (let ((scale (ly:output-def-lookup paper 'outputscale))
173 (texpaper (string-append
174 (ly:output-def-lookup paper 'papersizename)
176 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape))))
178 "% Generated by LilyPond "
179 (lilypond-version) "\n"
180 "% at " "time-stamp,FIXME" "\n"
182 (tex-string-def "lilypond" 'classic "1")
185 (if (ly:get-option 'safe)
190 "lilypondpaper" 'linewidth
191 (ly:number->string (* scale (ly:output-def-lookup paper 'linewidth))))
192 "\\def\\lilyponddocumentclassoptions{"
193 (sanitize-tex-string texpaper)
194 (if landscape? ",landscape" "")
197 "lilypondpaper" 'interscoreline
199 (* scale (ly:output-def-lookup paper 'interscoreline)))))))
203 "\\def\\scaletounit{ "
204 (number->string (cond
205 ((equal? (ly:unit) "mm") (/ 72.0 25.4))
206 ((equal? (ly:unit) "pt") (/ 72.0 72.27))
207 (else (error "unknown unit" (ly:unit)))))
209 "\\ifx\\lilypondstart\\undefined\n"
210 " \\input lilyponddefs\n"
213 "\\lilypondspecial\n"
214 "\\lilypondpostscript\n"))
216 (define (dump-page putter page last? with-extents?)
217 (ly:outputter-dump-string
219 (format "\\lybox{~a}{~a}{%\n"
221 (interval-start (ly:stencil-extent page X))
224 (- (interval-start (ly:stencil-extent page Y)))
226 (ly:outputter-dump-stencil putter page)
227 (ly:outputter-dump-string
231 "}%\n\\vfill\n\\lilypondpagebreak\n")))
233 (define-public (output-framework outputter book scopes fields basename )
234 (let* ((paper (ly:paper-book-paper book))
235 (pages (ly:paper-book-pages book))
236 (last-page (car (last-pair pages)))
238 (eq? #t (ly:output-def-lookup paper 'dump-extents))))
241 (ly:outputter-dump-string outputter x))
243 (header paper (length pages) #f)
246 (ly:outputter-dump-string outputter "\\lilypondnopagebreak\n")
249 (dump-page outputter page (eq? last-page page) with-extents))
251 (ly:outputter-dump-string outputter "\\lilypondend\n")))
253 (define (dump-line putter line last?)
254 (ly:outputter-dump-string
256 (format "\\lybox{~a}{~a}{%\n"
258 (max 0 (interval-end (ly:paper-system-extent line X))))
260 (interval-length (ly:paper-system-extent line Y)))))
262 (ly:outputter-dump-stencil putter (ly:paper-system-stencil line))
263 (ly:outputter-dump-string
267 "}\\interscoreline\n")))
269 (define-public (output-classic-framework
270 outputter book scopes fields basename)
271 (let* ((paper (ly:paper-book-paper book))
272 (lines (ly:paper-book-systems book))
273 (last-line (car (last-pair lines))))
276 (ly:outputter-dump-string outputter x))
279 (header paper (length lines) #f)
280 "\\def\\lilypondclassic{1}%\n"
281 (output-scopes scopes fields basename)
286 (lambda (line) (dump-line outputter line (eq? line last-line))) lines)
287 (ly:outputter-dump-string outputter "\\lilypondend\n")))
289 (define-public (output-preview-framework
290 outputter book scopes fields basename )
291 (let* ((paper (ly:paper-book-paper book))
292 (lines (ly:paper-book-systems book))
293 (first-notes-index (list-index
294 (lambda (s) (not (ly:paper-system-title? s)))
299 (ly:outputter-dump-string outputter x))
303 (header paper (length lines) #f)
304 "\\def\\lilypondclassic{1}%\n"
305 (output-scopes scopes fields basename)
311 (dump-line outputter l (not (ly:paper-system-title? l))))
312 (take lines (1+ first-notes-index)))
313 (ly:outputter-dump-string outputter "\\lilypondend\n")))
315 (define-public (convert-to-pdf book name)
316 (let* ((defs (ly:paper-book-paper book))
317 (papersizename (ly:output-def-lookup defs 'papersizename)))
318 (postscript->pdf (if (string? papersizename) papersizename "a4")
320 (basename name ".tex")
323 (define-public (convert-to-png book name)
324 (let* ((defs (ly:paper-book-paper book))
325 (resolution (ly:output-def-lookup defs 'pngresolution)))
327 (if (number? resolution)
329 (ly:get-option 'resolution))
330 (string-append (basename name ".tex") ".ps"))))
332 (define-public (convert-to-ps book name)
333 (let* ((paper (ly:paper-book-paper book))
334 (preview? (string-contains name ".preview"))
336 (papersizename (ly:output-def-lookup paper 'papersizename))
337 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape)))
338 (base (basename name ".tex"))
339 (cmd (string-append "dvips "
344 ;; careful: papersizename is user-set.
345 (sanitize-command-option papersizename)
347 (if landscape? "-t landscape " "")
348 (if (ly:kpathsea-find-file "lm.map")
350 (if (ly:kpathsea-find-file "ecrm10.pfa")
351 "-u+ec-mftrace.map " "")
352 "-u+lilypond.map -Ppdf " ""
354 (let ((ps-name (string-append base ".ps")))
355 (if (access? ps-name W_OK)
356 (delete-file ps-name)))
357 (if (not (ly:get-option 'verbose))
359 (format (current-error-port) (_ "Converting to `~a.ps'...") base)
360 (newline (current-error-port))))
363 (define-public (convert-to-dvi book name)
364 (let* ((curr-extra-mem
366 (regexp-substitute/global
368 (ly:kpathsea-expand-variable "$extra_mem_top")
370 (base (basename name ".tex"))
372 "latex \\\\nonstopmode \\\\input " name)))
373 (setenv "extra_mem_top" (number->string (max curr-extra-mem 1024000)))
374 (let ((dvi-name (string-append base ".dvi")))
375 (if (access? dvi-name W_OK)
376 (delete-file dvi-name)))
377 (if (not (ly:get-option 'verbose))
379 (format (current-error-port) (_ "Converting to `~a.dvi'...") base)
380 (newline (current-error-port))))
382 ;; fixme: set in environment?
383 (if (ly:get-option 'safe)
384 (set! cmd (string-append "openout_any=p " cmd)))
388 (define-public (convert-to-tex book name)