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"))
35 (define-public (digits->letters str)
36 (regexp-substitute/global
38 (regexp-substitute/global
45 (+ (char->integer #\A)
46 (- (char->integer #\0))
47 (char->integer (string-ref (match:substring match 1) 0)))
53 (define-public (tex-font-command-raw name magnification)
56 (digits->letters (format "~a" name))
58 (string-encode-integer
59 (inexact->exact (round (* 1000 magnification))))))
61 (define-public (tex-font-command font)
63 (ly:font-file-name font) (ly:font-magnification font)))
65 (define (otf-font-load-command paper font)
66 (let* ((sub-fonts (ly:font-sub-fonts font)))
71 (format #f "\\font\\~a=~a scaled ~a%\n"
73 sub-name (ly:font-magnification font))
78 (ly:font-magnification font)
79 (ly:paper-outputscale paper)))))))
82 (define (simple-font-load-command paper font)
84 "\\font\\~a=~a scaled ~a%\n"
85 (tex-font-command font)
86 (ly:font-file-name font)
89 (ly:font-magnification font)
90 (ly:paper-outputscale paper))))))
92 (define (font-load-command paper font)
93 (if (pair? (ly:font-sub-fonts font))
94 (otf-font-load-command paper font)
95 (simple-font-load-command paper font)))
97 (define (define-fonts paper)
100 "\\def\\lilypondpaperunit{mm}%\n"
101 (tex-number-def "lilypondpaper" 'outputscale
102 (number->string (exact->inexact
103 (ly:paper-outputscale paper))))
104 (tex-string-def "lilypondpaper" 'papersize
105 (eval 'papersizename (ly:output-def-scope paper)))
107 (tex-string-def "lilypondpaper" 'inputencoding
108 (eval 'inputencoding (ly:output-def-scope paper)))
111 (map (lambda (x) (font-load-command paper x))
112 (ly:paper-fonts paper)))))
114 (define (header-to-file fn key val)
115 (set! key (symbol->string key))
116 (if (not (equal? "-" fn))
117 (set! fn (string-append fn "." key)))
119 (format (_ "Writing header field `~a' to `~a'...")
121 (if (equal? "-" fn) "<stdout>" fn))
122 (current-error-port))
125 (display val (open-file fn "w")))
126 (newline (current-error-port))
129 (define (output-scopes scopes fields basename)
130 (define (output-scope scope)
135 (let ((val (if (variable-bound? var) (variable-ref var) "")))
136 (if (and (memq sym fields) (string? val))
137 (header-to-file basename sym val))
140 (apply string-append (map output-scope scopes)))
142 (define (tex-string-def prefix key str)
143 (if (equal? "" (sans-surrounding-whitespace (sanitize-tex-string str)))
144 (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
145 (string-append "\\def\\" prefix (symbol->tex-key key)
146 "{" (sanitize-tex-string str) "}%\n")))
148 (define (header paper page-count classic?)
149 (let ((scale (ly:output-def-lookup paper 'outputscale))
150 (texpaper (string-append
151 (ly:output-def-lookup paper 'papersizename)
153 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape))))
155 "% Generated by LilyPond "
156 (lilypond-version) "\n"
157 "% at " "time-stamp,FIXME" "\n"
159 (tex-string-def "lilypond" 'classic "1")
162 (if (ly:get-option 'safe)
167 "lilypondpaper" 'linewidth
168 (ly:number->string (* scale (ly:output-def-lookup paper 'linewidth))))
169 "\\def\\lilyponddocumentclassoptions{"
170 (sanitize-tex-string texpaper)
171 (if landscape? ",landscape" "")
174 "lilypondpaper" 'interscoreline
176 (* scale (ly:output-def-lookup paper 'interscoreline)))))))
180 "\\def\\scaletounit{ "
181 (number->string (cond
182 ((equal? (ly:unit) "mm") (/ 72.0 25.4))
183 ((equal? (ly:unit) "pt") (/ 72.0 72.27))
184 (else (error "unknown unit" (ly:unit)))))
186 "\\ifx\\lilypondstart\\undefined\n"
187 " \\input lilyponddefs\n"
190 "\\lilypondspecial\n"
191 "\\lilypondpostscript\n"))
193 (define (dump-page putter page last? with-extents?)
194 (ly:outputter-dump-string
196 (format "\\lybox{~a}{~a}{%\n"
198 (interval-start (ly:stencil-extent page X))
201 (- (interval-start (ly:stencil-extent page Y)))
203 (ly:outputter-dump-stencil putter page)
204 (ly:outputter-dump-string
208 "}%\n\\vfill\n\\lilypondpagebreak\n")))
210 (define-public (output-framework outputter book scopes fields basename )
211 (let* ((paper (ly:paper-book-paper book))
212 (pages (ly:paper-book-pages book))
213 (last-page (car (last-pair pages)))
215 (eq? #t (ly:output-def-lookup paper 'dump-extents))))
218 (ly:outputter-dump-string outputter x))
220 (header paper (length pages) #f)
223 (ly:outputter-dump-string outputter "\\lilypondnopagebreak\n")
226 (dump-page outputter page (eq? last-page page) with-extents))
228 (ly:outputter-dump-string outputter "\\lilypondend\n")))
230 (define (dump-line putter line last?)
231 (ly:outputter-dump-string
233 (format "\\lybox{~a}{~a}{%\n"
235 (max 0 (interval-end (ly:paper-system-extent line X))))
237 (interval-length (ly:paper-system-extent line Y)))))
239 (ly:outputter-dump-stencil putter (ly:paper-system-stencil line))
240 (ly:outputter-dump-string
244 "}\\interscoreline\n")))
246 (define-public (output-classic-framework
247 outputter book scopes fields basename)
248 (let* ((paper (ly:paper-book-paper book))
249 (lines (ly:paper-book-systems book))
250 (last-line (car (last-pair lines))))
253 (ly:outputter-dump-string outputter x))
256 (header paper (length lines) #f)
257 "\\def\\lilypondclassic{1}%\n"
258 (output-scopes scopes fields basename)
263 (lambda (line) (dump-line outputter line (eq? line last-line))) lines)
264 (ly:outputter-dump-string outputter "\\lilypondend\n")))
266 (define-public (output-preview-framework
267 outputter book scopes fields basename )
268 (let* ((paper (ly:paper-book-paper book))
269 (lines (ly:paper-book-systems book))
270 (first-notes-index (list-index
271 (lambda (s) (not (ly:paper-system-title? s)))
276 (ly:outputter-dump-string outputter x))
280 (header paper (length lines) #f)
281 "\\def\\lilypondclassic{1}%\n"
282 (output-scopes scopes fields basename)
288 (dump-line outputter lst (not (ly:paper-system-title? lst))))
289 (take lines (1+ first-notes-index)))
290 (ly:outputter-dump-string outputter "\\lilypondend\n")))
292 (define-public (convert-to-pdf book name)
293 (let* ((defs (ly:paper-book-paper book))
294 (papersizename (ly:output-def-lookup defs 'papersizename)))
295 (postscript->pdf (if (string? papersizename) papersizename "a4")
297 (basename name ".tex")
300 (define-public (convert-to-png book name)
301 (let* ((defs (ly:paper-book-paper book))
302 (resolution (ly:output-def-lookup defs 'pngresolution)))
304 (if (number? resolution)
306 (ly:get-option 'resolution))
307 (string-append (basename name ".tex") ".ps"))))
309 (define-public (convert-to-ps book name)
310 (let* ((paper (ly:paper-book-paper book))
311 (preview? (string-contains name ".preview"))
313 (papersizename (ly:output-def-lookup paper 'papersizename))
314 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape)))
315 (base (basename name ".tex"))
316 (cmd (string-append "dvips "
321 ;; careful: papersizename is user-set.
322 (sanitize-command-option papersizename)
324 (if landscape? "-t landscape " "")
325 (if (ly:kpathsea-find-file "lm.map")
327 (if (ly:kpathsea-find-file "ecrm10.pfa")
328 "-u+ec-mftrace.map " "")
329 "-u+lilypond.map -Ppdf " ""
331 (let ((ps-name (string-append base ".ps")))
332 (if (access? ps-name W_OK)
333 (delete-file ps-name)))
334 (if (not (ly:get-option 'verbose))
336 (format (current-error-port) (_ "Converting to `~a.ps'...") base)
337 (newline (current-error-port))))
340 (define-public (convert-to-dvi book name)
341 (let* ((curr-extra-mem
343 (regexp-substitute/global
345 (ly:kpathsea-expand-variable "$extra_mem_top")
347 (base (basename name ".tex"))
349 "latex \\\\nonstopmode \\\\input " name)))
350 (setenv "extra_mem_top" (number->string (max curr-extra-mem 1024000)))
351 (let ((dvi-name (string-append base ".dvi")))
352 (if (access? dvi-name W_OK)
353 (delete-file dvi-name)))
354 (if (not (ly:get-option 'verbose))
356 (format (current-error-port) (_ "Converting to `~a.dvi'...") base)
357 (newline (current-error-port))))
359 ;; fixme: set in environment?
360 (if (ly:get-option 'safe)
361 (set! cmd (string-append "openout_any=p " cmd)))
365 (define-public (convert-to-tex book name)