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 ;; what is bla supposed to do? It breaks the default output terribly:
21 ;; \def\lilypondpaperbla$\backslash${$\backslash$}{bla$\backslash${$\backslash$}}%
22 ;; \lyitem{089.5557}{-15.3109}{\hbox{\magfontUGQLomTVo{}bla$\backslash${$\backslash$}}}%
24 (define-public (sanitize-tex-string s)
25 (if (ly:get-option 'safe)
26 (regexp-substitute/global
28 (regexp-substitute/global #f "([{}])" s 'pre "\\" 1 'post )
29 'pre "$\\backslash$" 'post)
32 (define (symbol->tex-key sym)
33 (regexp-substitute/global
34 #f "_" (sanitize-tex-string (symbol->string sym)) 'pre "X" 'post) )
36 (define (tex-number-def prefix key number)
38 "\\def\\" prefix (symbol->tex-key key) "{" number "}%\n"))
40 (define-public (tex-font-command font)
43 (string-encode-integer
44 (hashq (ly:font-filename font) 1000000))
46 (string-encode-integer
47 (inexact->exact (round (* 1000 (ly:font-magnification font)))))))
49 (define (font-load-command paper font)
50 (let* ((coding-alist (ly:font-encoding-alist font))
51 (font-encoding (assoc-get 'output-name coding-alist)))
53 "\\font\\lilypond" (tex-font-command font) "="
54 (ly:font-filename font)
56 (ly:number->string (inexact->exact
58 (ly:font-magnification font)
59 (ly:paper-outputscale paper)))))
61 "\\def\\" (tex-font-command font) "{%\n"
62 ;; UGH. Should be handled via alist.
63 (if (or (equal? "Extended-TeX-Font-Encoding---Latin" font-encoding)
65 " \\lilypondfontencoding{T1}"
67 "\\lilypond" (tex-font-command font)
70 (define (define-fonts paper)
73 "\\def\\lilypondpaperunit{mm}%\n"
74 (tex-number-def "lilypondpaper" 'outputscale
75 (number->string (exact->inexact
76 (ly:paper-outputscale paper))))
77 (tex-string-def "lilypondpaper" 'papersize
78 (eval 'papersizename (ly:output-def-scope paper)))
80 (tex-string-def "lilypondpaper" 'inputencoding
81 (eval 'inputencoding (ly:output-def-scope paper)))
84 (map (lambda (x) (font-load-command paper x))
85 (ly:paper-fonts paper)))))
87 (define (header-to-file fn key val)
88 (set! key (symbol->string key))
89 (if (not (equal? "-" fn))
90 (set! fn (string-append fn "." key)))
92 (format (_ "Writing header field `~a' to `~a'...")
94 (if (equal? "-" fn) "<stdout>" fn))
98 (display val (open-file fn "w")))
99 (newline (current-error-port))
102 (define (output-scopes scopes fields basename)
103 (define (output-scope scope)
108 (let ((val (if (variable-bound? var) (variable-ref var) "")))
109 (if (and (memq sym fields) (string? val))
110 (header-to-file basename sym val))
113 (apply string-append (map output-scope scopes)))
115 (define (tex-string-def prefix key str)
116 (if (equal? "" (sans-surrounding-whitespace (sanitize-tex-string str)))
117 (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
118 (string-append "\\def\\" prefix (symbol->tex-key key)
119 "{" (sanitize-tex-string str) "}%\n")))
121 (define (header paper page-count classic?)
122 (let ((scale (ly:output-def-lookup paper 'outputscale))
123 (texpaper (string-append
124 (ly:output-def-lookup paper 'papersizename)
126 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape))))
128 "% Generated by LilyPond "
129 (lilypond-version) "\n"
130 "% at " "time-stamp,FIXME" "\n"
132 (tex-string-def "lilypond" 'classic "1")
135 (if (ly:get-option 'safe)
140 "lilypondpaper" 'linewidth
141 (ly:number->string (* scale (ly:output-def-lookup paper 'linewidth))))
142 "\\def\\lilyponddocumentclassoptions{"
143 (sanitize-tex-string texpaper)
144 (if landscape? ",landscape" "")
147 "lilypondpaper" 'interscoreline
149 (* scale (ly:output-def-lookup paper 'interscoreline)))))))
153 "\\def\\scaletounit{ "
154 (number->string (cond
155 ((equal? (ly:unit) "mm") (/ 72.0 25.4))
156 ((equal? (ly:unit) "pt") (/ 72.0 72.27))
157 (else (error "unknown unit" (ly:unit)))))
159 "\\ifx\\lilypondstart\\undefined\n"
160 " \\input lilyponddefs\n"
163 "\\lilypondspecial\n"
164 "\\lilypondpostscript\n"))
166 (define (dump-page putter page last? with-extents?)
167 (ly:outputter-dump-string
169 (format "\\lybox{~a}{~a}{%\n"
171 (interval-start (ly:stencil-extent page X))
174 (- (interval-start (ly:stencil-extent page Y)))
176 (ly:outputter-dump-stencil putter page)
177 (ly:outputter-dump-string
181 "}%\n\\vfill\n\\lilypondpagebreak\n")))
183 (define-public (output-framework outputter book scopes fields basename )
184 (let* ((paper (ly:paper-book-paper book))
185 (pages (ly:paper-book-pages book))
186 (last-page (car (last-pair pages)))
188 (eq? #t (ly:output-def-lookup paper 'dump-extents))))
191 (ly:outputter-dump-string outputter x))
193 (header paper (length pages) #f)
196 (ly:outputter-dump-string outputter "\\lilypondnopagebreak\n")
199 (dump-page outputter page (eq? last-page page) with-extents))
201 (ly:outputter-dump-string outputter "\\lilypondend\n")))
203 (define (dump-line putter line last?)
204 (ly:outputter-dump-string
206 (format "\\lybox{~a}{~a}{%\n"
208 (max 0 (interval-end (ly:paper-system-extent line X))))
210 (interval-length (ly:paper-system-extent line Y)))))
212 (ly:outputter-dump-stencil putter (ly:paper-system-stencil line))
213 (ly:outputter-dump-string
217 "}\\interscoreline\n")))
219 (define-public (output-classic-framework
220 outputter book scopes fields basename)
221 (let* ((paper (ly:paper-book-paper book))
222 (lines (ly:paper-book-systems book))
223 (last-line (car (last-pair lines))))
226 (ly:outputter-dump-string outputter x))
229 (header paper (length lines) #f)
230 "\\def\\lilypondclassic{1}%\n"
231 (output-scopes scopes fields basename)
236 (lambda (line) (dump-line outputter line (eq? line last-line))) lines)
237 (ly:outputter-dump-string outputter "\\lilypondend\n")))
239 (define-public (output-preview-framework
240 outputter book scopes fields basename )
241 (let* ((paper (ly:paper-book-paper book))
242 (lines (ly:paper-book-systems book)))
245 (ly:outputter-dump-string outputter x))
248 (header paper (length lines) #f)
249 "\\def\\lilypondclassic{1}%\n"
250 (output-scopes scopes fields basename)
254 (dump-line outputter (car lines) #t)
255 (ly:outputter-dump-string outputter "\\lilypondend\n")))
257 (define-public (convert-to-pdf book name)
258 (let* ((defs (ly:paper-book-paper book))
259 (papersizename (ly:output-def-lookup defs 'papersizename)))
260 (postscript->pdf (if (string? papersizename) papersizename "a4")
262 (basename name ".tex")
265 (define-public (convert-to-png book name)
266 (let* ((defs (ly:paper-book-paper book))
267 (resolution (ly:output-def-lookup defs 'pngresolution)))
269 (if (number? resolution)
271 (ly:get-option 'resolution))
272 (string-append (basename name ".tex") ".ps"))))
276 ;; ugh - double check this. We are leaking
277 ;; untrusted (user-settable) info to a command-line
281 (define-public (convert-to-ps book name)
282 (let* ((paper (ly:paper-book-paper book))
283 (preview? (string-contains name ".preview"))
284 (papersizename (ly:output-def-lookup paper 'papersizename))
285 (landscape? (eq? #t (ly:output-def-lookup paper 'landscape)))
286 (base (basename name ".tex"))
287 (cmd (string-append "dvips "
292 (sanitize-command-option papersizename)))
297 " -u+ec-mftrace.map -u+lilypond.map -Ppdf "
300 (let ((ps-name (string-append base ".ps")))
301 (if (access? ps-name W_OK)
302 (delete-file ps-name)))
303 (if (not (ly:get-option 'verbose))
305 (format (current-error-port) (_ "Converting to `~a.ps'...") base)
306 (newline (current-error-port))))
309 (define-public (convert-to-dvi book name)
310 (let* ((curr-extra-mem
312 (regexp-substitute/global
314 (ly:kpathsea-expand-variable "$extra_mem_top")
316 (base (basename name ".tex"))
318 "latex \\\\nonstopmode \\\\input " name)))
319 (setenv "extra_mem_top" (number->string (max curr-extra-mem 1024000)))
320 (let ((dvi-name (string-append base ".dvi")))
321 (if (access? dvi-name W_OK)
322 (delete-file dvi-name)))
323 (if (not (ly:get-option 'verbose))
325 (format (current-error-port) (_ "Converting to `~a.dvi'...") base)
326 (newline (current-error-port))))
328 ;; fixme: set in environment?
329 (if (ly:get-option 'safe)
330 (set! cmd (string-append "openout_any=p " cmd)))
334 (define-public (convert-to-tex book name)