1 ;;;; framework-ps.scm -- structure for PostScript output
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 2004--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 (define-module (scm framework-ps))
9 ;;; this is still too big a mess.
11 (use-modules (ice-9 regex)
20 (define framework-ps-module (current-module))
22 ;;(define pdebug stderr)
23 (define (pdebug . rest) #f)
25 (define mm-to-bigpoint
28 (define-public (ps-font-command font)
29 (let* ((name (munge-lily-font-name (ly:font-file-name font)))
30 (magnify (ly:font-magnification font)))
34 (string-regexp-substitute "[ /%]" "_" name)
35 "m" (string-encode-integer (inexact->exact (round (* 1000 magnify)))))))
37 (define (tex-font? fontname)
39 (equal? (substring fontname 0 2) "cm")
40 (equal? (substring fontname 0 2) "ec")))
42 (define (define-fonts paper)
43 (define font-list (ly:paper-fonts paper))
44 (define (define-font command fontname scaling)
46 "/" command " { /" fontname " findfont "
47 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
49 (define (standard-tex-font? x)
50 (or (equal? (substring x 0 2) "ms")
51 (equal? (substring x 0 2) "cm")))
53 (define (font-load-command font)
54 (let* ((specced-font-name (ly:font-name font))
55 (fontname (if specced-font-name
56 (munge-lily-font-name specced-font-name)
57 (ly:font-file-name font)))
58 (command (ps-font-command font))
60 ;; FIXME -- see (ps-font-command )
61 (plain (ps-font-command font))
62 (designsize (ly:font-design-size font))
63 (magnification (* (ly:font-magnification font)))
64 (ops (ly:output-def-lookup paper 'outputscale))
65 (scaling (* ops magnification designsize)))
67 ;; Bluesky pfbs have UPCASE names (sigh.)
68 ;; FIXME - don't support Bluesky?
69 (if (standard-tex-font? fontname)
70 (set! fontname (string-upcase fontname)))
71 (if (equal? fontname "unknown")
72 (display (list font fontname)))
73 (define-font plain fontname scaling)))
76 (map (lambda (x) (font-load-command x))
77 (filter (lambda (x) (not (ly:pango-font? x)))
80 ;; FIXME: duplicated in other output backends
81 ;; FIXME: silly interface name
82 (define (output-variables layout)
83 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
84 (define (value->string val)
86 ((string? val) (string-append "(" val ")"))
87 ((symbol? val) (symbol->string val))
88 ((number? val) (number->string val))
91 (define (output-entry ps-key ly-key)
94 (value->string (ly:output-def-lookup layout ly-key)) " def\n"))
98 (number->string mm-to-bigpoint)
99 " def %% millimeter\n"
100 (output-entry "staff-line-thickness" 'linethickness)
101 (output-entry "line-width" 'linewidth)
102 (output-entry "paper-size" 'papersizename)
103 (output-entry "staff-height" 'staffheight) ;junkme.
105 (number->string (ly:output-def-lookup layout 'outputscale))
107 (output-entry "page-height" 'vsize)
108 (output-entry "page-width" 'hsize)))
110 (define (dump-page outputter page page-number page-count landscape?)
111 (ly:outputter-dump-string
115 (number->string page-number) " " (number->string page-count) "\n"
119 "page-width output-scale lily-output-units mul mul 0 translate 90 rotate\n"
124 "set-ps-scale-to-lily-scale "
126 (ly:outputter-dump-stencil outputter page)
127 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
129 (define (supplies-or-needs paper load-fonts?)
130 (define (extract-names font)
131 (if (ly:pango-font? font)
132 (map car (ly:pango-font-physical-fonts font))
133 (list (munge-lily-font-name (ly:font-name font)))))
135 (let* ((fonts (ly:paper-fonts paper))
136 (names (apply append (map extract-names fonts))))
142 "%%DocumentSuppliedResources: font ~a\n"
143 "%%DocumentNeededResources: font ~a\n")
145 (uniq-list (sort names string<?))))))
147 (define (eps-header paper bbox load-fonts?)
148 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
149 "%%Creator: LilyPond\n"
151 (string-join (map ly:number->string bbox) " ") "\n"
153 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
156 (supplies-or-needs paper load-fonts?)
159 (define (page-header paper page-count load-fonts?)
160 (string-append "%!PS-Adobe-3.0\n"
161 "%%Creator: LilyPond\n"
162 "%%Pages: " (number->string page-count) "\n"
163 "%%PageOrder: Ascend\n"
165 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
168 "%%DocumentPaperSizes: "
169 (ly:output-def-lookup paper 'papersizename) "\n"
170 (supplies-or-needs paper load-fonts?)
173 (define (procset file-name)
176 "%%BeginResource: procset (~a) 1 0
180 file-name (cached-file-contents file-name))))
182 (define (setup paper)
187 (output-variables paper)
190 (define-public (munge-lily-font-name name)
191 ;; FIXME: this fixes PFAPAFemmentaler.pfapfa, and also
192 ;; PFAaybabtu.otf.pfa, but the second case now produces aybabtu.otf,
193 ;; which still fails because .otf files cannot be embedded.
194 (regexp-substitute/global #f "^([eE]mmentaler|[aA]ybabtu)"
195 name 'pre "PFA" 1 'post))
197 (define (cff-font? font)
199 ((cff-string (ly:otf-font-table-data font "CFF ")))
200 (> (string-length cff-string) 0)))
202 (define-public (ps-embed-cff body font-set-name version)
205 (format "/~a ~s StartData " font-set-name (string-length body))
210 "%%BeginResource: font ~a
211 %!PS-Adobe-3.0 Resource-FontSet
212 %%DocumentNeededResources: ProcSet (FontSetInit)
213 %%Title: (FontSet/~a)
216 %%IncludeResource: ProcSet (FontSetInit)
217 %%BeginResource: FontSet (~a)
218 /FontSetInit /ProcSet findresource begin
219 %%BeginData: ~s Binary Bytes
221 font-set-name font-set-name version font-set-name
222 (string-length binary-data)))
234 (define (write-preamble paper load-fonts? port)
236 (define (load-font-via-GS font-name-filename)
237 (define (ps-load-file name)
240 "(~a) (r) file .loadfont\n"
241 "% can't find font file: ~a\n")
244 (let* ((font (car font-name-filename))
245 (name (cadr font-name-filename))
246 (file-name (caddr font-name-filename))
247 (bare-file-name (ly:find-file file-name)))
250 (munge-lily-font-name name)
252 ((string-match "^([eE]mmentaler|[Aa]ybabtu)" file-name)
253 (ps-load-file (ly:find-file
254 (format "~a.pfa" (munge-lily-font-name file-name)))))
255 ((string? bare-file-name)
256 (ps-load-file (munge-lily-font-name file-name)))
258 (ly:warning (_ "can't embed ~S=~S") name file-name)
261 (define (dir-join a b)
264 (string-append a "/" b)))
266 (define (dir-listing dir-name)
267 (define (dir-helper dir lst)
268 (let ((e (readdir dir)))
269 (if (eof-object? e) lst (dir-helper dir (cons e lst)))))
270 (reverse (dir-helper (opendir dir-name) '())))
272 (define (handle-mac-font name filename)
280 (mkdir dir-name #o700)
282 (set! status (ly:system
283 (format "cd ~a && fondu -force '~a'" dir-name filename)))
285 (set! files (dir-listing dir-name))
290 (string-match (string-append name "\\.") f))
292 (font-file-as-ps-string name (dir-join dir-name f))))
294 (if (or (equal? "." f)
297 (delete-file (dir-join dir-name f))))
303 (set! embed "% failed \n")
304 (ly:warning (_ "can't extract file matching ~a from ~a") name filename)))
307 (define (font-file-as-ps-string name file-name)
309 ((downcase-file-name (string-downcase file-name)))
312 ((and file-name (string-match "\\.pfa" downcase-file-name))
313 (cached-file-contents file-name))
314 ((and file-name (string-match "\\.pfb" downcase-file-name))
315 (ly:pfb->pfa file-name))
316 ((and file-name (string-match "\\.ttf" downcase-file-name))
317 (ly:ttf->pfa file-name))
318 ((and file-name (string-match "\\.otf" downcase-file-name))
319 (ps-embed-cff (ly:otf->cff file-name) name 0))
321 (ly:warning (_ "don't know how to embed ~S=~S") name file-name)
324 (define (load-font font-name-filename)
325 (let* ((font (car font-name-filename))
326 (name (cadr font-name-filename))
327 (file-name (caddr font-name-filename))
328 (bare-file-name (ly:find-file file-name)))
331 (munge-lily-font-name name)
333 ((string-match "^([eE]mmentaler|[Aa]ybabtu)" file-name)
334 (cached-file-contents
335 (format "~a.pfa" (munge-lily-font-name file-name))))
337 (eq? PLATFORM 'darwin)
338 bare-file-name (string-match "\\.dfont" bare-file-name))
339 (handle-mac-font name bare-file-name))
342 (eq? PLATFORM 'darwin)
343 bare-file-name (= (stat:size (stat bare-file-name)) 0))
344 (handle-mac-font name bare-file-name))
346 ((and font (cff-font? font))
347 (ps-embed-cff (ly:otf-font-table-data font "CFF ")
351 (bare-file-name (font-file-as-ps-string name bare-file-name))
353 (ly:warning (_ "don't know how to embed font ~s ~s ~s")
354 name file-name font))))))
357 (define (load-fonts paper)
358 (let* ((fonts (ly:paper-fonts paper))
363 ((string? (ly:font-file-name font))
367 (ly:font-file-name font))))
368 ((ly:pango-font? font)
370 (lambda (name-psname-pair)
372 (car name-psname-pair)
373 (cdr name-psname-pair)))
374 (ly:pango-font-physical-fonts font)))
377 (ly:font-sub-fonts font))))
382 (sort (apply append all-font-names)
383 (lambda (x y) (string<? (cadr x) (cadr y))))))
386 (font-loader (if (ly:get-option 'gs-font-load)
390 (pfas (map font-loader font-names)))
396 (format port "\n%%BeginFont: ~a\n" (car f))
397 (display (cdr f) port)
398 (display "\n%%EndFont\n" port))
401 (display (setup paper) port)
403 ;; adobe note 5002: should initialize variables before loading routines.
404 (display (procset "music-drawing-routines.ps") port)
405 (display (procset "lilyponddefs.ps") port)
406 (display "init-lilypond-parameters\n" port))
408 (define-public (output-framework basename book scopes fields)
409 (let* ((filename (format "~a.ps" basename))
410 (outputter (ly:make-paper-outputter
411 ;; FIXME: better wrap open/open-file,
412 ;; content-mangling is always bad.
413 ;; MINGW hack: need to have "b"inary for embedding CFFs
414 (open-file filename "wb")
416 (paper (ly:paper-book-paper book))
417 (pages (ly:paper-book-pages book))
418 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
419 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
420 (page-count (length pages))
421 (port (ly:outputter-port outputter)))
423 (paper-book-write-midis book basename)
425 (output-scopes scopes fields basename)
426 (display (page-header paper page-count #t) port)
427 (write-preamble paper #t port)
431 (set! page-number (1+ page-number))
432 (dump-page outputter page page-number page-count landscape?))
435 (display "%%Trailer\n%%EOF\n" port)
436 (ly:outputter-close outputter)
437 (postprocess-output book framework-ps-module filename
438 (ly:output-formats))))
440 (if (not (defined? 'nan?))
441 (define (nan? x) #f))
443 (if (not (defined? 'inf?))
444 (define (inf? x) #f))
446 (define-public (dump-stencil-as-EPS paper dump-me filename load-fonts?)
447 (define (mm-to-bp-box mmbox)
448 (let* ((scale (ly:output-def-lookup paper 'outputscale))
452 (round (* x scale mm-to-bigpoint)))) mmbox)))
454 (list (car box) (cadr box)
455 (max (1+ (car box)) (caddr box))
456 (max (1+ (cadr box)) (cadddr box)))))
458 (let* ((outputter (ly:make-paper-outputter
459 ;; FIXME: better wrap open/open-file,
460 ;; content-mangling is always bad.
461 ;; MINGW hack: need to have "b"inary for embedding CFFs
462 (open-file (format "~a.eps" filename) "wb")
464 (port (ly:outputter-port outputter))
465 (xext (ly:stencil-extent dump-me X))
466 (yext (ly:stencil-extent dump-me Y))
470 (if (or (nan? x) (inf? x)
472 (equal? (format #f "~S" x) "+#.#")
473 (equal? (format #f "~S" x) "-#.#"))
475 (list (car xext) (car yext) (cdr xext) (cdr yext))))
476 (rounded-bbox (mm-to-bp-box bbox))
477 (port (ly:outputter-port outputter))
478 (header (eps-header paper rounded-bbox load-fonts?)))
480 (display header port)
481 (write-preamble paper load-fonts? port)
482 (display "start-system { set-ps-scale-to-lily-scale \n" port)
483 (ly:outputter-dump-stencil outputter dump-me)
484 (display "} stop-system\n%%Trailer\n%%EOF\n" port)
485 (ly:outputter-close outputter)))
487 (define-public (output-preview-framework basename book scopes fields)
488 (let* ((paper (ly:paper-book-paper book))
489 (systems (ly:paper-book-systems book))
490 (scale (ly:output-def-lookup paper 'outputscale))
491 (to-dump-systems '()))
496 (ly:get-option 'preview-include-book-title))
497 (< 1 (length systems))
498 (ly:paper-system-title? (list-ref systems 0))
499 (ly:paper-system-title? (list-ref systems 1)))
500 (set! systems (cdr systems)))
505 (ly:paper-system-title? sys)
506 (not (pair? to-dump-systems))
507 (ly:paper-system-title? (car to-dump-systems)))
508 (set! to-dump-systems (cons sys to-dump-systems))))
513 (stack-stencils Y DOWN 0.0
514 (map ly:paper-system-stencil (reverse to-dump-systems)))
515 (format "~a.preview" basename)
518 (postprocess-output book framework-ps-module
519 (format "~a.preview.eps" basename)
520 (cons "png" (ly:output-formats)))))
522 (define-public (output-preview-framework basename book scopes fields)
524 (let* ((paper (ly:paper-book-paper book))
525 (systems (ly:paper-book-systems book))
526 (scale (ly:output-def-lookup paper 'outputscale))
527 (titles (take-while ly:paper-system-title? systems))
528 (non-title (find (lambda (x)
529 (not (ly:paper-system-title? x))) systems))
531 (stack-stencils Y DOWN 0.0
532 (map ly:paper-system-stencil
533 (append titles (list non-title))))))
534 (output-scopes scopes fields basename)
535 (dump-stencil-as-EPS paper dump-me
536 (format "~a.preview" basename)
539 (postprocess-output book framework-ps-module
540 (format "~a.preview.eps" basename)
541 (ly:output-formats)))))
542 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
544 (define-public (convert-to-pdf book name)
545 (let* ((defs (ly:paper-book-paper book))
546 (papersizename (ly:output-def-lookup defs 'papersizename)))
548 (if (equal? (basename name ".ps") "-")
549 (ly:warning (_ "can't convert <stdout> to ~S" "PDF"))
550 (postscript->pdf (if (string? papersizename) papersizename "a4")
553 (define-public (convert-to-png book name)
554 (let* ((defs (ly:paper-book-paper book))
555 (defs-resolution (ly:output-def-lookup defs 'pngresolution))
556 (resolution (if (number? defs-resolution)
558 (ly:get-option 'resolution)))
559 (papersizename (ly:output-def-lookup defs 'papersizename)))
561 (postscript->png resolution
562 (if (string? papersizename) papersizename "a4")
565 (define-public (convert-to-dvi book name)
566 (ly:warning (_ "can't generate ~S using the postscript back-end") "DVI"))
568 (define-public (convert-to-tex book name)
569 (ly:warning (_ "can't generate ~S using the postscript back-end") "TeX"))
571 (define-public (convert-to-ps book name)
574 (define-public (output-classic-framework basename book scopes fields)
576 (ly:error (_ "\nThe PostScript backend does not support the 'classic'
577 framework. Use the EPS backend instead,
579 lilypond -b eps <file>
581 or remove the lilypond-book specific settings from the input.