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 (string-encode-integer
59 (string-encode-integer
60 (inexact->exact (round (* 1000 magnification))))))
62 (define-public (tex-font-command font)
64 (ly:font-file-name font) (ly:font-magnification font)))
66 (define (otf-font-load-command paper font)
67 (let* ((sub-fonts (ly:font-sub-fonts font)))
72 (format #f "\\font\\~a=~a scaled ~a%\n"
74 sub-name (ly:font-magnification font))
79 (ly:font-magnification font)
80 (ly:paper-outputscale paper)))))))
83 (define (simple-font-load-command paper font)
84 (let* ((coding-alist (ly:font-encoding-alist font))
85 (font-encoding (assoc-get 'output-name coding-alist)))
87 "\\font\\lilypond" (tex-font-command font) "="
88 (if (or (equal? (ly:font-encoding font) "cork-lm")
89 ;; FIXME: encoding: FontSpecific for cork-lm
90 (string-prefix? "lm" (ly:font-file-name font)))
92 (ly:font-file-name font)
94 (ly:number->string (inexact->exact
96 (ly:font-magnification font)
97 (ly:paper-outputscale paper)))))
99 "\\def\\" (tex-font-command font) "{%\n"
100 ;; UGH. Should be handled via alist.
101 (if (or (equal? "Extended-TeX-Font-Encoding---Latin" font-encoding)
103 " \\lilypondfontencoding{T1}"
105 "\\lilypond" (tex-font-command font)
108 (define (font-load-command paper font)
109 (if (pair? (ly:font-sub-fonts font))
110 (otf-font-load-command paper font)
111 (simple-font-load-command paper font)))
113 (define (define-fonts paper)
116 "\\def\\lilypondpaperunit{mm}%\n"
117 (tex-number-def "lilypondpaper" 'outputscale
118 (number->string (exact->inexact
119 (ly:paper-outputscale paper))))
120 (tex-string-def "lilypondpaper" 'papersize
121 (eval 'papersizename (ly:output-def-scope paper)))
123 (tex-string-def "lilypondpaper" 'inputencoding
124 (eval 'inputencoding (ly:output-def-scope paper)))
127 (map (lambda (x) (font-load-command paper x))
128 (ly:paper-fonts paper)))))
130 (define (header-to-file fn key val)
131 (set! key (symbol->string key))
132 (if (not (equal? "-" fn))
133 (set! fn (string-append fn "." key)))
135 (format (_ "Writing header field `~a' to `~a'...")
137 (if (equal? "-" fn) "<stdout>" fn))
138 (current-error-port))
141 (display val (open-file fn "w")))
142 (newline (current-error-port))
145 (define (output-scopes scopes fields basename)
146 (define (output-scope scope)
151 (let ((val (if (variable-bound? var) (variable-ref var) "")))
152 (if (and (memq sym fields) (string? val))
153 (header-to-file basename sym val))
156 (apply string-append (map output-scope scopes)))
158 (define (tex-string-def prefix key str)
159 (if (equal? "" (sans-surrounding-whitespace (sanitize-tex-string str)))
160 (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
161 (string-append "\\def\\" prefix (symbol->tex-key key)
162 "{" (sanitize-tex-string str) "}%\n")))
164 (define (header paper page-count classic?)
165 (let ((scale (ly:output-def-lookup paper 'outputscale))
166 (texpaper (string-append
167 (ly:output-def-lookup paper 'papersizename)
169 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape))))
171 "% Generated by LilyPond "
172 (lilypond-version) "\n"
173 "% at " "time-stamp,FIXME" "\n"
175 (tex-string-def "lilypond" 'classic "1")
178 (if (ly:get-option 'safe)
183 "lilypondpaper" 'linewidth
184 (ly:number->string (* scale (ly:output-def-lookup paper 'linewidth))))
185 "\\def\\lilyponddocumentclassoptions{"
186 (sanitize-tex-string texpaper)
187 (if landscape? ",landscape" "")
190 "lilypondpaper" 'interscoreline
192 (* scale (ly:output-def-lookup paper 'interscoreline)))))))
196 "\\def\\scaletounit{ "
197 (number->string (cond
198 ((equal? (ly:unit) "mm") (/ 72.0 25.4))
199 ((equal? (ly:unit) "pt") (/ 72.0 72.27))
200 (else (error "unknown unit" (ly:unit)))))
202 "\\ifx\\lilypondstart\\undefined\n"
203 " \\input lilyponddefs\n"
206 "\\lilypondspecial\n"
207 "\\lilypondpostscript\n"))
209 (define (dump-page putter page last? with-extents?)
210 (ly:outputter-dump-string
212 (format "\\lybox{~a}{~a}{%\n"
214 (interval-start (ly:stencil-extent page X))
217 (- (interval-start (ly:stencil-extent page Y)))
219 (ly:outputter-dump-stencil putter page)
220 (ly:outputter-dump-string
224 "}%\n\\vfill\n\\lilypondpagebreak\n")))
226 (define-public (output-framework outputter book scopes fields basename )
227 (let* ((paper (ly:paper-book-paper book))
228 (pages (ly:paper-book-pages book))
229 (last-page (car (last-pair pages)))
231 (eq? #t (ly:output-def-lookup paper 'dump-extents))))
234 (ly:outputter-dump-string outputter x))
236 (header paper (length pages) #f)
239 (ly:outputter-dump-string outputter "\\lilypondnopagebreak\n")
242 (dump-page outputter page (eq? last-page page) with-extents))
244 (ly:outputter-dump-string outputter "\\lilypondend\n")))
246 (define (dump-line putter line last?)
247 (ly:outputter-dump-string
249 (format "\\lybox{~a}{~a}{%\n"
251 (max 0 (interval-end (ly:paper-system-extent line X))))
253 (interval-length (ly:paper-system-extent line Y)))))
255 (ly:outputter-dump-stencil putter (ly:paper-system-stencil line))
256 (ly:outputter-dump-string
260 "}\\interscoreline\n")))
262 (define-public (output-classic-framework
263 outputter book scopes fields basename)
264 (let* ((paper (ly:paper-book-paper book))
265 (lines (ly:paper-book-systems book))
266 (last-line (car (last-pair lines))))
269 (ly:outputter-dump-string outputter x))
272 (header paper (length lines) #f)
273 "\\def\\lilypondclassic{1}%\n"
274 (output-scopes scopes fields basename)
279 (lambda (line) (dump-line outputter line (eq? line last-line))) lines)
280 (ly:outputter-dump-string outputter "\\lilypondend\n")))
282 (define-public (output-preview-framework
283 outputter book scopes fields basename )
284 (let* ((paper (ly:paper-book-paper book))
285 (lines (ly:paper-book-systems book))
286 (first-notes-index (list-index
287 (lambda (s) (not (ly:paper-system-title? s)))
292 (ly:outputter-dump-string outputter x))
296 (header paper (length lines) #f)
297 "\\def\\lilypondclassic{1}%\n"
298 (output-scopes scopes fields basename)
304 (dump-line outputter l (not (ly:paper-system-title? l))))
305 (take lines (1+ first-notes-index)))
306 (ly:outputter-dump-string outputter "\\lilypondend\n")))
308 (define-public (convert-to-pdf book name)
309 (let* ((defs (ly:paper-book-paper book))
310 (papersizename (ly:output-def-lookup defs 'papersizename)))
311 (postscript->pdf (if (string? papersizename) papersizename "a4")
313 (basename name ".tex")
316 (define-public (convert-to-png book name)
317 (let* ((defs (ly:paper-book-paper book))
318 (resolution (ly:output-def-lookup defs 'pngresolution)))
320 (if (number? resolution)
322 (ly:get-option 'resolution))
323 (string-append (basename name ".tex") ".ps"))))
325 (define-public (convert-to-ps book name)
326 (let* ((paper (ly:paper-book-paper book))
327 (preview? (string-contains name ".preview"))
329 (papersizename (ly:output-def-lookup paper 'papersizename))
330 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape)))
331 (base (basename name ".tex"))
332 (cmd (string-append "dvips "
337 ;; careful: papersizename is user-set.
338 (sanitize-command-option papersizename)
340 (if landscape? "-t landscape " "")
341 (if (ly:kpathsea-find-file "lm.map")
343 (if (ly:kpathsea-find-file "ecrm10.pfa")
344 "-u+ec-mftrace.map " "")
345 "-u+lilypond.map -Ppdf " ""
347 (let ((ps-name (string-append base ".ps")))
348 (if (access? ps-name W_OK)
349 (delete-file ps-name)))
350 (if (not (ly:get-option 'verbose))
352 (format (current-error-port) (_ "Converting to `~a.ps'...") base)
353 (newline (current-error-port))))
356 (define-public (convert-to-dvi book name)
357 (let* ((curr-extra-mem
359 (regexp-substitute/global
361 (ly:kpathsea-expand-variable "$extra_mem_top")
363 (base (basename name ".tex"))
365 "latex \\\\nonstopmode \\\\input " name)))
366 (setenv "extra_mem_top" (number->string (max curr-extra-mem 1024000)))
367 (let ((dvi-name (string-append base ".dvi")))
368 (if (access? dvi-name W_OK)
369 (delete-file dvi-name)))
370 (if (not (ly:get-option 'verbose))
372 (format (current-error-port) (_ "Converting to `~a.dvi'...") base)
373 (newline (current-error-port))))
375 ;; fixme: set in environment?
376 (if (ly:get-option 'safe)
377 (set! cmd (string-append "openout_any=p " cmd)))
381 (define-public (convert-to-tex book name)