1 ;;;; framework-ps.scm -- structure for PostScript output
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 2004--2006 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)
22 (define framework-ps-module (current-module))
24 ;;(define pdebug stderr)
25 (define (pdebug . rest) #f)
27 (define-public (ps-font-command font)
28 (let* ((name (ly:font-file-name font))
29 (magnify (ly:font-magnification font)))
33 (string-regexp-substitute "[ /%]" "_" name)
34 "m" (string-encode-integer (inexact->exact (round (* 1000 magnify)))))))
36 (define (tex-font? fontname)
38 (equal? (substring fontname 0 2) "cm")
39 (equal? (substring fontname 0 2) "ec")))
41 (define (define-fonts paper)
42 (define font-list (ly:paper-fonts paper))
43 (define (define-font command fontname scaling)
45 "/" command " { /" fontname " " (ly:number->string scaling) " output-scale div selectfont } bind def\n"))
47 ; "/" command " { /" fontname " findfont "
48 ; (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
50 (define (standard-tex-font? x)
51 (or (equal? (substring x 0 2) "ms")
52 (equal? (substring x 0 2) "cm")))
54 (define (font-load-command font)
55 (let* ((specced-font-name (ly:font-name font))
56 (fontname (if specced-font-name
58 (ly:font-file-name font)))
59 (command (ps-font-command font))
61 ;; FIXME -- see (ps-font-command )
62 (plain (ps-font-command font))
63 (designsize (ly:font-design-size font))
64 (magnification (* (ly:font-magnification font)))
65 (ops (ly:output-def-lookup paper 'output-scale))
66 (scaling (* ops magnification designsize)))
68 ;; Bluesky pfbs have UPCASE names (sigh.)
69 ;; FIXME - don't support Bluesky?
70 (if (standard-tex-font? fontname)
71 (set! fontname (string-upcase fontname)))
72 (if (equal? fontname "unknown")
73 (display (list font fontname)))
74 (define-font plain fontname scaling)))
77 (map (lambda (x) (font-load-command x))
78 (filter (lambda (x) (not (ly:pango-font? x)))
81 ;; FIXME: duplicated in other output backends
82 ;; FIXME: silly interface name
83 (define (output-variables layout)
84 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
85 (define (value->string val)
87 ((string? val) (string-append "(" val ")"))
88 ((symbol? val) (symbol->string val))
89 ((number? val) (number->string val))
92 (define (output-entry ps-key ly-key)
95 (value->string (ly:output-def-lookup layout ly-key)) " def\n"))
99 (number->string (/ (ly:bp 1)))
100 " def %% millimeter\n"
101 (output-entry "staff-line-thickness" 'line-thickness)
102 (output-entry "line-width" 'line-width)
103 (output-entry "paper-size" 'papersizename)
104 (output-entry "staff-height" 'staff-height) ;junkme.
106 (number->string (ly:output-def-lookup layout 'output-scale))
108 (output-entry "page-height" 'paper-height)
109 (output-entry "page-width" 'paper-width)))
111 (define (dump-page outputter page page-number page-count landscape?)
112 (ly:outputter-dump-string
115 (format "%%Page: ~a ~a\n" page-number page-number)
118 "page-width output-scale lily-output-units mul mul 0 translate 90 rotate\n"
122 "gsave 0 paper-height translate "
123 "set-ps-scale-to-lily-scale "
125 (ly:outputter-dump-stencil outputter page)
126 (ly:outputter-dump-string outputter "stroke grestore \nshowpage\n"))
128 (define (supplies-or-needs paper load-fonts?)
129 (define (extract-names font)
130 (if (ly:pango-font? font)
131 (map car (ly:pango-font-physical-fonts font))
132 (list (ly:font-name font))))
134 (let* ((fonts (ly:paper-fonts paper))
135 (names (apply append (map extract-names fonts))))
141 "%%DocumentSuppliedResources: font ~a\n"
142 "%%DocumentNeededResources: font ~a\n")
144 (uniq-list (sort names string<?))))))
146 (define (eps-header paper bbox load-fonts?)
147 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
148 "%%Creator: LilyPond "
152 (string-join (map ly:number->string bbox) " ") "\n"
154 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
157 (supplies-or-needs paper load-fonts?)
160 (define (ps-document-media paper)
162 (ly:output-def-lookup paper 'output-scale)
163 (ly:output-def-lookup paper 'paper-width)) (ly:bp 1)))
165 (ly:output-def-lookup paper 'paper-height)
166 (ly:output-def-lookup paper 'output-scale))
168 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t)))
169 (format "%%DocumentMedia: ~a ~$ ~$ ~a ~a ~a\n"
170 (ly:output-def-lookup paper 'papersizename)
179 (define (file-header paper page-count load-fonts?)
180 (string-append "%!PS-Adobe-3.0\n"
181 "%%Creator: LilyPond "
185 "%%Pages: " (number->string page-count) "\n"
186 "%%PageOrder: Ascend\n"
188 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
191 (ps-document-media paper)
192 (supplies-or-needs paper load-fonts?)
195 (define (procset file-name)
197 "%%BeginResource: procset (~a) 1 0
201 file-name (cached-file-contents file-name)))
203 (define (embed-document file-name)
204 (format "%%BeginDocument: ~a
208 file-name (cached-file-contents file-name)))
210 (define (setup-variables paper)
214 (output-variables paper)
217 (define (cff-font? font)
219 ((cff-string (ly:otf-font-table-data font "CFF ")))
220 (> (string-length cff-string) 0)))
222 (define-public (ps-embed-cff body font-set-name version)
225 (format "/~a ~s StartData " font-set-name (string-length body))
230 "%%BeginResource: font ~a
231 %!PS-Adobe-3.0 Resource-FontSet
232 %%DocumentNeededResources: ProcSet (FontSetInit)
233 %%Title: (FontSet/~a)
236 %%IncludeResource: ProcSet (FontSetInit)
237 %%BeginResource: FontSet (~a)
238 /FontSetInit /ProcSet findresource begin
239 %%BeginData: ~s Binary Bytes
241 font-set-name font-set-name version font-set-name
242 (string-length binary-data)))
253 (define (write-preamble paper load-fonts? port)
255 (define (load-font-via-GS font-name-filename)
256 (define (ps-load-file name)
259 "(~a) (r) file .loadfont\n"
260 "% can't find font file: ~a\n")
263 (let* ((font (car font-name-filename))
264 (name (cadr font-name-filename))
265 (file-name (caddr font-name-filename))
266 (bare-file-name (ly:find-file file-name)))
271 ((string-match "^([eE]mmentaler|[Aa]ybabtu)" file-name)
272 (ps-load-file (ly:find-file
273 (format "~a.otf" file-name))))
274 ((string? bare-file-name)
275 (ps-load-file file-name))
277 (ly:warning (_ "can't embed ~S=~S") name file-name)
280 (define (dir-join a b)
283 (string-append a "/" b)))
285 (define (dir-listing dir-name)
286 (define (dir-helper dir lst)
287 (let ((e (readdir dir)))
288 (if (eof-object? e) lst (dir-helper dir (cons e lst)))))
289 (reverse (dir-helper (opendir dir-name) '())))
291 (define (handle-mac-font name filename)
298 (mkdir dir-name #o700)
299 (set! status (ly:system
300 (format "cd ~a && fondu -force '~a'" dir-name filename)))
302 (set! files (dir-listing dir-name))
307 ((full-name (dir-join dir-name f)))
310 (equal? 'regular (stat:type (stat full-name)))
311 (equal? name (ly:ttf-ps-name full-name)))
314 (font-file-as-ps-string name full-name)))
316 (if (or (equal? "." f)
319 (delete-file full-name))))
327 (set! embed "% failed \n")
328 (ly:warning (_ "can't extract file matching ~a from ~a") name filename)))
331 (define (font-file-as-ps-string name file-name)
333 ((downcase-file-name (string-downcase file-name)))
336 ((and file-name (string-match "\\.pfa" downcase-file-name))
337 (embed-document file-name))
338 ((and file-name (string-match "\\.pfb" downcase-file-name))
339 (ly:pfb->pfa file-name))
340 ((and file-name (string-match "\\.ttf" downcase-file-name))
341 (ly:ttf->pfa file-name))
342 ((and file-name (string-match "\\.otf" downcase-file-name))
343 (ps-embed-cff (ly:otf->cff file-name) name 0))
345 (ly:warning (_ "don't know how to embed ~S=~S") name file-name)
348 (define (load-font font-name-filename)
349 (let* ((font (car font-name-filename))
350 (name (cadr font-name-filename))
351 (file-name (caddr font-name-filename))
352 (bare-file-name (ly:find-file file-name)))
359 (eq? PLATFORM 'darwin)
360 bare-file-name (string-match "\\.dfont" bare-file-name))
361 (handle-mac-font name bare-file-name))
364 (eq? PLATFORM 'darwin)
365 bare-file-name (= (stat:size (stat bare-file-name)) 0))
366 (handle-mac-font name bare-file-name))
368 ((and font (cff-font? font))
369 (ps-embed-cff (ly:otf-font-table-data font "CFF ")
373 (bare-file-name (font-file-as-ps-string name bare-file-name))
375 (ly:warning (_ "don't know how to embed font ~s ~s ~s")
376 name file-name font))))))
379 (define (load-fonts paper)
380 (let* ((fonts (ly:paper-fonts paper))
385 ((string? (ly:font-file-name font))
389 (ly:font-file-name font))))
390 ((ly:pango-font? font)
392 (lambda (name-psname-pair)
394 (car name-psname-pair)
395 (cdr name-psname-pair)))
396 (ly:pango-font-physical-fonts font)))
399 (ly:font-sub-fonts font))))
404 (sort (apply append all-font-names)
405 (lambda (x y) (string<? (cadr x) (cadr y))))))
408 (font-loader (if (ly:get-option 'gs-font-load)
412 (pfas (map font-loader font-names)))
415 (display "%%BeginProlog\n" port)
419 (format port "\n%%BeginFont: ~a\n" (car f))
420 (display (cdr f) port)
421 (display "\n%%EndFont\n" port))
424 (display (setup-variables paper) port)
426 ;; adobe note 5002: should initialize variables before loading routines.
427 (display (procset "music-drawing-routines.ps") port)
428 (display (procset "lilyponddefs.ps") port)
430 (display "%%EndProlog\n" port)
432 (display "%%BeginSetup\ninit-lilypond-parameters\n%%EndSetup\n\n" port))
434 (define-public (output-framework basename book scopes fields)
435 (let* ((filename (format "~a.ps" basename))
436 (outputter (ly:make-paper-outputter
437 ;; FIXME: better wrap open/open-file,
438 ;; content-mangling is always bad.
439 ;; MINGW hack: need to have "b"inary for embedding CFFs
440 (open-file filename "wb")
442 (paper (ly:paper-book-paper book))
443 (page-stencils (map page-stencil (ly:paper-book-pages book)))
445 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
446 (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
447 (page-count (length page-stencils))
448 (port (ly:outputter-port outputter)))
450 (output-scopes scopes fields basename)
451 (display (file-header paper page-count #t) port)
452 (display "\n%%BeginDefaults
454 %%EndDefaults\n" port)
456 (write-preamble paper #t port)
460 (set! page-number (1+ page-number))
461 (dump-page outputter page page-number page-count landscape?))
464 (display "%%Trailer\n%%EOF\n" port)
465 (ly:outputter-close outputter)
466 (postprocess-output book framework-ps-module filename
467 (ly:output-formats))))
469 (define-public (dump-stencil-as-EPS paper dump-me filename load-fonts?)
470 (define (to-bp-box mmbox)
471 (let* ((scale (ly:output-def-lookup paper 'output-scale))
474 (if (or (nan? x) (inf? x))
477 (round (/ (* x scale) (ly:bp 1)))))) mmbox)))
481 (max (1+ (car box)) (caddr box))
482 (max (1+ (cadr box)) (cadddr box))
485 (let* ((outputter (ly:make-paper-outputter
486 ;; FIXME: better wrap open/open-file,
487 ;; content-mangling is always bad.
488 ;; MINGW hack: need to have "b"inary for embedding CFFs
489 (open-file (format "~a.eps" filename) "wb")
493 (port (ly:outputter-port outputter))
494 (xext (ly:stencil-extent dump-me X))
495 (yext (ly:stencil-extent dump-me Y))
499 (if (or (nan? x) (inf? x)
501 (equal? (format #f "~S" x) "+#.#")
502 (equal? (format #f "~S" x) "-#.#"))
505 ;; the left-overshoot is to make sure that
506 ;; bar numbers stick out of margin uniformly.
508 (list (min left-overshoot (car xext))
509 (car yext) (cdr xext) (cdr yext))))
510 (rounded-bbox (to-bp-box bbox))
511 (port (ly:outputter-port outputter))
512 (header (eps-header paper rounded-bbox load-fonts?)))
514 (display header port)
515 (write-preamble paper load-fonts? port)
516 (display "gsave set-ps-scale-to-lily-scale \n" port)
517 (ly:outputter-dump-stencil outputter dump-me)
518 (display "stroke grestore\n%%Trailer\n%%EOF\n" port)
519 (ly:outputter-close outputter)))
521 (define-public (output-preview-framework basename book scopes fields)
522 (let* ((paper (ly:paper-book-paper book))
523 (systems (ly:paper-book-systems book))
524 (scale (ly:output-def-lookup paper 'output-scale))
525 (to-dump-systems '()))
529 (not (ly:get-option 'preview-include-book-title))
531 (ly:prob-property (car systems) 'is-book-title #f))
533 (set! systems (cdr systems)))
538 (paper-system-title? sys)
539 (not (pair? to-dump-systems))
540 (paper-system-title? (car to-dump-systems)))
541 (set! to-dump-systems (cons sys to-dump-systems))))
546 (stack-stencils Y DOWN 0.0
547 (map paper-system-stencil (reverse to-dump-systems)))
548 (format "~a.preview" basename)
551 (postprocess-output book framework-ps-module
552 (format "~a.preview.eps" basename)
553 (cons "png" (ly:output-formats)))))
556 (define-public (output-preview-framework basename book scopes fields)
558 (let* ((paper (ly:paper-book-paper book))
559 (systems (ly:paper-book-systems book))
560 (scale (ly:output-def-lookup paper 'output-scale))
561 (titles (take-while paper-system-title? systems))
562 (non-title (find (lambda (x)
563 (not (paper-system-title? x))) systems))
565 (stack-stencils Y DOWN 0.0
566 (map paper-system-stencil
567 (append titles (list non-title))))))
568 (output-scopes scopes fields basename)
569 (dump-stencil-as-EPS paper dump-me
570 (format "~a.preview" basename)
573 (postprocess-output book framework-ps-module
574 (format "~a.preview.eps" basename)
575 (ly:output-formats)))))
576 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
578 (define-public (convert-to-pdf book name)
579 (let* ((defs (ly:paper-book-paper book))
580 (papersizename (ly:output-def-lookup defs 'papersizename)))
582 (if (equal? (basename name ".ps") "-")
583 (ly:warning (_ "can't convert <stdout> to ~S" "PDF"))
584 (postscript->pdf (if (string? papersizename) papersizename "a4")
587 (define-public (convert-to-png book name)
588 (let* ((defs (ly:paper-book-paper book))
589 (defs-resolution (ly:output-def-lookup defs 'pngresolution))
590 (resolution (if (number? defs-resolution)
592 (ly:get-option 'resolution)))
593 (papersizename (ly:output-def-lookup defs 'papersizename)))
595 (postscript->png resolution
596 (if (string? papersizename) papersizename "a4")
599 (define-public (convert-to-dvi book name)
600 (ly:warning (_ "can't generate ~S using the postscript back-end") "DVI"))
602 (define-public (convert-to-tex book name)
603 (ly:warning (_ "can't generate ~S using the postscript back-end") "TeX"))
605 (define-public (convert-to-ps book name)
608 (define-public (output-classic-framework basename book scopes fields)
610 (ly:error (_ "\nThe PostScript backend does not support the 'classic'
611 framework. Use the EPS backend instead,
613 lilypond -b eps <file>
615 or remove the lilypond-book specific settings from the input.