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)
20 ;; what is bla supposed to do? It breaks the default output terribly:
22 ;; \def\lilypondpaperbla$\backslash${$\backslash$}{bla$\backslash${$\backslash$}}%
23 ;; \lyitem{089.5557}{-15.3109}{\hbox{\magfontUGQLomTVo{}bla$\backslash${$\backslash$}}}%
25 (define-public (sanitize-tex-string s)
26 (if (ly:get-option 'safe)
27 (regexp-substitute/global
29 (regexp-substitute/global #f "([{}])" s 'pre "\\" 1 'post )
30 'pre "$\\backslash$" 'post)
33 (define (symbol->tex-key sym)
34 (regexp-substitute/global
35 #f "_" (sanitize-tex-string (symbol->string sym)) 'pre "X" 'post) )
37 (define (tex-number-def prefix key number)
39 "\\def\\" prefix (symbol->tex-key key) "{" number "}%\n"))
41 (define-public (tex-font-command font)
44 (string-encode-integer
45 (hashq (ly:font-filename font) 1000000))
47 (string-encode-integer
48 (inexact->exact (round (* 1000 (ly:font-magnification font)))))))
50 (define (font-load-command paper font)
51 (let* ((coding-alist (ly:font-encoding-alist font))
52 (font-encoding (assoc-get 'output-name coding-alist)))
54 "\\font\\lilypond" (tex-font-command font) "="
55 (ly:font-filename font)
57 (ly:number->string (inexact->exact
59 (ly:font-magnification font)
60 (ly:paper-outputscale paper)))))
62 "\\def\\" (tex-font-command font) "{%\n"
63 ;; UGH. Should be handled via alist.
64 (if (or (equal? "Extended-TeX-Font-Encoding---Latin" font-encoding)
66 " \\lilypondfontencoding{T1}"
68 "\\lilypond" (tex-font-command font)
71 (define (define-fonts paper)
74 "\\def\\lilypondpaperunit{mm}%\n"
75 (tex-number-def "lilypondpaper" 'outputscale
76 (number->string (exact->inexact
77 (ly:paper-outputscale paper))))
78 (tex-string-def "lilypondpaper" 'papersize
79 (eval 'papersizename (ly:output-def-scope paper)))
81 (tex-string-def "lilypondpaper" 'inputencoding
82 (eval 'inputencoding (ly:output-def-scope paper)))
85 (map (lambda (x) (font-load-command paper x))
86 (ly:paper-fonts paper)))))
88 (define (header-to-file fn key val)
89 (set! key (symbol->string key))
90 (if (not (equal? "-" fn))
91 (set! fn (string-append fn "." key)))
93 (format (_ "Writing header field `~a' to `~a'...")
95 (if (equal? "-" fn) "<stdout>" fn))
99 (display val (open-file fn "w")))
100 (newline (current-error-port))
103 (define (output-scopes scopes fields basename)
104 (define (output-scope scope)
109 (let ((val (if (variable-bound? var) (variable-ref var) "")))
110 (if (and (memq sym fields) (string? val))
111 (header-to-file basename sym val))
114 (apply string-append (map output-scope scopes)))
116 (define (tex-string-def prefix key str)
117 (if (equal? "" (sans-surrounding-whitespace (sanitize-tex-string str)))
118 (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
119 (string-append "\\def\\" prefix (symbol->tex-key key)
120 "{" (sanitize-tex-string str) "}%\n")))
122 (define (header paper page-count classic?)
123 (let ((scale (ly:output-def-lookup paper 'outputscale))
124 (texpaper (string-append
125 (ly:output-def-lookup paper 'papersizename)
127 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape))))
129 "% Generated by LilyPond "
130 (lilypond-version) "\n"
131 "% at " "time-stamp,FIXME" "\n"
133 (tex-string-def "lilypond" 'classic "1")
136 (if (ly:get-option 'safe)
141 "lilypondpaper" 'linewidth
142 (ly:number->string (* scale (ly:output-def-lookup paper 'linewidth))))
143 "\\def\\lilyponddocumentclassoptions{"
144 (sanitize-tex-string texpaper)
145 (if landscape? ",landscape" "")
148 "lilypondpaper" 'interscoreline
150 (* scale (ly:output-def-lookup paper 'interscoreline)))))))
154 "\\def\\scaletounit{ "
155 (number->string (cond
156 ((equal? (ly:unit) "mm") (/ 72.0 25.4))
157 ((equal? (ly:unit) "pt") (/ 72.0 72.27))
158 (else (error "unknown unit" (ly:unit)))))
160 "\\ifx\\lilypondstart\\undefined\n"
161 " \\input lilyponddefs\n"
164 "\\lilypondspecial\n"
165 "\\lilypondpostscript\n"))
167 (define (dump-page putter page last? with-extents?)
168 (ly:outputter-dump-string
170 (format "\\lybox{~a}{~a}{%\n"
172 (interval-start (ly:stencil-extent page X))
175 (- (interval-start (ly:stencil-extent page Y)))
177 (ly:outputter-dump-stencil putter page)
178 (ly:outputter-dump-string
182 "}%\n\\vfill\n\\lilypondpagebreak\n")))
184 (define-public (output-framework outputter book scopes fields basename )
185 (let* ((paper (ly:paper-book-paper book))
186 (pages (ly:paper-book-pages book))
187 (last-page (car (last-pair pages)))
189 (eq? #t (ly:output-def-lookup paper 'dump-extents))))
192 (ly:outputter-dump-string outputter x))
194 (header paper (length pages) #f)
197 (ly:outputter-dump-string outputter "\\lilypondnopagebreak\n")
200 (dump-page outputter page (eq? last-page page) with-extents))
202 (ly:outputter-dump-string outputter "\\lilypondend\n")))
204 (define (dump-line putter line last?)
205 (ly:outputter-dump-string
207 (format "\\lybox{~a}{~a}{%\n"
209 (max 0 (interval-end (ly:paper-system-extent line X))))
211 (interval-length (ly:paper-system-extent line Y)))))
213 (ly:outputter-dump-stencil putter (ly:paper-system-stencil line))
214 (ly:outputter-dump-string
218 "}\\interscoreline\n")))
220 (define-public (output-classic-framework
221 outputter book scopes fields basename)
222 (let* ((paper (ly:paper-book-paper book))
223 (lines (ly:paper-book-systems book))
224 (last-line (car (last-pair lines))))
227 (ly:outputter-dump-string outputter x))
230 (header paper (length lines) #f)
231 "\\def\\lilypondclassic{1}%\n"
232 (output-scopes scopes fields basename)
237 (lambda (line) (dump-line outputter line (eq? line last-line))) lines)
238 (ly:outputter-dump-string outputter "\\lilypondend\n")))
240 (define-public (output-preview-framework
241 outputter book scopes fields basename )
242 (let* ((paper (ly:paper-book-paper book))
243 (lines (ly:paper-book-systems book))
244 (first-notes-index (list-index
245 (lambda (s) (not (ly:paper-system-title? s)))
250 (ly:outputter-dump-string outputter x))
253 (header paper (length lines) #f)
254 "\\def\\lilypondclassic{1}%\n"
255 (output-scopes scopes fields basename)
261 (dump-line outputter l (not (ly:paper-system-title? l))))
262 (take lines (1+ first-notes-index)))
263 (ly:outputter-dump-string outputter "\\lilypondend\n")))
265 (define-public (convert-to-pdf book name)
266 (let* ((defs (ly:paper-book-paper book))
267 (papersizename (ly:output-def-lookup defs 'papersizename)))
268 (postscript->pdf (if (string? papersizename) papersizename "a4")
270 (basename name ".tex")
273 (define-public (convert-to-png book name)
274 (let* ((defs (ly:paper-book-paper book))
275 (resolution (ly:output-def-lookup defs 'pngresolution)))
277 (if (number? resolution)
279 (ly:get-option 'resolution))
280 (string-append (basename name ".tex") ".ps"))))
282 (define-public (convert-to-ps book name)
283 (let* ((paper (ly:paper-book-paper book))
284 (preview? (string-contains name ".preview"))
286 (papersizename (ly:output-def-lookup paper 'papersizename))
287 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape)))
288 (base (basename name ".tex"))
289 (cmd (string-append "dvips "
295 ;; careful: papersizename is user-set.
296 (sanitize-command-option papersizename)))
301 " -u+ec-mftrace.map -u+lilypond.map -Ppdf "
304 (let ((ps-name (string-append base ".ps")))
305 (if (access? ps-name W_OK)
306 (delete-file ps-name)))
307 (if (not (ly:get-option 'verbose))
309 (format (current-error-port) (_ "Converting to `~a.ps'...") base)
310 (newline (current-error-port))))
313 (define-public (convert-to-dvi book name)
314 (let* ((curr-extra-mem
316 (regexp-substitute/global
318 (ly:kpathsea-expand-variable "$extra_mem_top")
320 (base (basename name ".tex"))
322 "latex \\\\nonstopmode \\\\input " name)))
323 (setenv "extra_mem_top" (number->string (max curr-extra-mem 1024000)))
324 (let ((dvi-name (string-append base ".dvi")))
325 (if (access? dvi-name W_OK)
326 (delete-file dvi-name)))
327 (if (not (ly:get-option 'verbose))
329 (format (current-error-port) (_ "Converting to `~a.dvi'...") base)
330 (newline (current-error-port))))
332 ;; fixme: set in environment?
333 (if (ly:get-option 'safe)
334 (set! cmd (string-append "openout_any=p " cmd)))
338 (define-public (convert-to-tex book name)