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 " findfont "
46 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
48 (define (standard-tex-font? x)
49 (or (equal? (substring x 0 2) "ms")
50 (equal? (substring x 0 2) "cm")))
52 (define (font-load-command font)
53 (let* ((specced-font-name (ly:font-name font))
54 (fontname (if specced-font-name
56 (ly:font-file-name font)))
57 (command (ps-font-command font))
59 ;; FIXME -- see (ps-font-command )
60 (plain (ps-font-command font))
61 (designsize (ly:font-design-size font))
62 (magnification (* (ly:font-magnification font)))
63 (ops (ly:output-def-lookup paper 'output-scale))
64 (scaling (* ops magnification designsize)))
66 ;; Bluesky pfbs have UPCASE names (sigh.)
67 ;; FIXME - don't support Bluesky?
68 (if (standard-tex-font? fontname)
69 (set! fontname (string-upcase fontname)))
70 (if (equal? fontname "unknown")
71 (display (list font fontname)))
72 (define-font plain fontname scaling)))
75 (map (lambda (x) (font-load-command x))
76 (filter (lambda (x) (not (ly:pango-font? x)))
79 ;; FIXME: duplicated in other output backends
80 ;; FIXME: silly interface name
81 (define (output-variables layout)
82 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
83 (define (value->string val)
85 ((string? val) (string-append "(" val ")"))
86 ((symbol? val) (symbol->string val))
87 ((number? val) (number->string val))
90 (define (output-entry ps-key ly-key)
93 (value->string (ly:output-def-lookup layout ly-key)) " def\n"))
97 (number->string (/ (ly:bp 1)))
98 " def %% millimeter\n"
99 (output-entry "staff-line-thickness" 'line-thickness)
100 (output-entry "line-width" 'line-width)
101 (output-entry "paper-size" 'papersizename)
102 (output-entry "staff-height" 'staff-height) ;junkme.
104 (number->string (ly:output-def-lookup layout 'output-scale))
106 (output-entry "page-height" 'paper-height)
107 (output-entry "page-width" 'paper-width)))
109 (define (dump-page outputter page page-number page-count landscape?)
110 (ly:outputter-dump-string
113 (format "%%Page: ~a ~a\n" page-number page-number)
116 "page-width output-scale lily-output-units mul mul 0 translate 90 rotate\n"
120 "gsave 0 paper-height translate "
121 "set-ps-scale-to-lily-scale "
123 (ly:outputter-dump-stencil outputter page)
124 (ly:outputter-dump-string outputter "stroke grestore \nshowpage\n"))
126 (define (supplies-or-needs paper load-fonts?)
127 (define (extract-names font)
128 (if (ly:pango-font? font)
129 (map car (ly:pango-font-physical-fonts font))
130 (list (ly:font-name font))))
132 (let* ((fonts (ly:paper-fonts paper))
133 (names (apply append (map extract-names fonts))))
139 "%%DocumentSuppliedResources: font ~a\n"
140 "%%DocumentNeededResources: font ~a\n")
142 (uniq-list (sort names string<?))))))
144 (define (eps-header paper bbox load-fonts?)
145 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
146 "%%Creator: LilyPond "
150 (string-join (map ly:number->string bbox) " ") "\n"
152 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
155 (supplies-or-needs paper load-fonts?)
158 (define (ps-document-media paper)
159 (format "%%DocumentMedia: ~a ~$ ~$ ~a ~a ~a\n"
160 (ly:output-def-lookup paper 'papersizename)
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))
174 (define (file-header paper page-count load-fonts?)
175 (string-append "%!PS-Adobe-3.0\n"
176 "%%Creator: LilyPond "
180 "%%Pages: " (number->string page-count) "\n"
181 "%%PageOrder: Ascend\n"
183 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
186 (ps-document-media paper)
187 (supplies-or-needs paper load-fonts?)
190 (define (procset file-name)
192 "%%BeginResource: procset (~a) 1 0
196 file-name (cached-file-contents file-name)))
198 (define (embed-document file-name)
199 (format "%%BeginDocument: ~a
203 file-name (cached-file-contents file-name)))
205 (define (setup-variables paper)
209 (output-variables paper)
212 (define (cff-font? font)
214 ((cff-string (ly:otf-font-table-data font "CFF ")))
215 (> (string-length cff-string) 0)))
217 (define-public (ps-embed-cff body font-set-name version)
220 (format "/~a ~s StartData " font-set-name (string-length body))
225 "%%BeginResource: font ~a
226 %!PS-Adobe-3.0 Resource-FontSet
227 %%DocumentNeededResources: ProcSet (FontSetInit)
228 %%Title: (FontSet/~a)
231 %%IncludeResource: ProcSet (FontSetInit)
232 %%BeginResource: FontSet (~a)
233 /FontSetInit /ProcSet findresource begin
234 %%BeginData: ~s Binary Bytes
236 font-set-name font-set-name version font-set-name
237 (string-length binary-data)))
248 (define (write-preamble paper load-fonts? port)
250 (define (load-font-via-GS font-name-filename)
251 (define (ps-load-file name)
254 "(~a) (r) file .loadfont\n"
255 "% can't find font file: ~a\n")
258 (let* ((font (car font-name-filename))
259 (name (cadr font-name-filename))
260 (file-name (caddr font-name-filename))
261 (bare-file-name (ly:find-file file-name)))
266 ((string-match "^([eE]mmentaler|[Aa]ybabtu)" file-name)
267 (ps-load-file (ly:find-file
268 (format "~a.otf" file-name))))
269 ((string? bare-file-name)
270 (ps-load-file file-name))
272 (ly:warning (_ "can't embed ~S=~S") name file-name)
275 (define (dir-join a b)
278 (string-append a "/" b)))
280 (define (dir-listing dir-name)
281 (define (dir-helper dir lst)
282 (let ((e (readdir dir)))
283 (if (eof-object? e) lst (dir-helper dir (cons e lst)))))
284 (reverse (dir-helper (opendir dir-name) '())))
286 (define (handle-mac-font name filename)
293 (mkdir dir-name #o700)
294 (set! status (ly:system
295 (format "cd ~a && fondu -force '~a'" dir-name filename)))
297 (set! files (dir-listing dir-name))
302 ((full-name (dir-join dir-name f)))
305 (equal? 'regular (stat:type (stat full-name)))
306 (equal? name (ly:ttf-ps-name full-name)))
309 (font-file-as-ps-string name full-name)))
311 (if (or (equal? "." f)
314 (delete-file full-name))))
322 (set! embed "% failed \n")
323 (ly:warning (_ "can't extract file matching ~a from ~a") name filename)))
326 (define (font-file-as-ps-string name file-name)
328 ((downcase-file-name (string-downcase file-name)))
331 ((and file-name (string-match "\\.pfa" downcase-file-name))
332 (embed-document file-name))
333 ((and file-name (string-match "\\.pfb" downcase-file-name))
334 (ly:pfb->pfa file-name))
335 ((and file-name (string-match "\\.ttf" downcase-file-name))
336 (ly:ttf->pfa file-name))
337 ((and file-name (string-match "\\.otf" downcase-file-name))
338 (ps-embed-cff (ly:otf->cff file-name) name 0))
340 (ly:warning (_ "don't know how to embed ~S=~S") name file-name)
343 (define (load-font font-name-filename)
344 (let* ((font (car font-name-filename))
345 (name (cadr font-name-filename))
346 (file-name (caddr font-name-filename))
347 (bare-file-name (ly:find-file file-name)))
354 (eq? PLATFORM 'darwin)
355 bare-file-name (string-match "\\.dfont" bare-file-name))
356 (handle-mac-font name bare-file-name))
359 (eq? PLATFORM 'darwin)
360 bare-file-name (= (stat:size (stat bare-file-name)) 0))
361 (handle-mac-font name bare-file-name))
363 ((and font (cff-font? font))
364 (ps-embed-cff (ly:otf-font-table-data font "CFF ")
368 (bare-file-name (font-file-as-ps-string name bare-file-name))
370 (ly:warning (_ "don't know how to embed font ~s ~s ~s")
371 name file-name font))))))
374 (define (load-fonts paper)
375 (let* ((fonts (ly:paper-fonts paper))
380 ((string? (ly:font-file-name font))
384 (ly:font-file-name font))))
385 ((ly:pango-font? font)
387 (lambda (name-psname-pair)
389 (car name-psname-pair)
390 (cdr name-psname-pair)))
391 (ly:pango-font-physical-fonts font)))
394 (ly:font-sub-fonts font))))
399 (sort (apply append all-font-names)
400 (lambda (x y) (string<? (cadr x) (cadr y))))))
403 (font-loader (if (ly:get-option 'gs-font-load)
407 (pfas (map font-loader font-names)))
410 (display "%%BeginProlog\n" port)
414 (format port "\n%%BeginFont: ~a\n" (car f))
415 (display (cdr f) port)
416 (display "\n%%EndFont\n" port))
419 (display (setup-variables paper) port)
421 ;; adobe note 5002: should initialize variables before loading routines.
422 (display (procset "music-drawing-routines.ps") port)
423 (display (procset "lilyponddefs.ps") port)
425 (display "%%EndProlog\n" port)
427 (display "%%BeginSetup\ninit-lilypond-parameters\n%%EndSetup\n\n" port))
429 (define-public (output-framework basename book scopes fields)
430 (let* ((filename (format "~a.ps" basename))
431 (outputter (ly:make-paper-outputter
432 ;; FIXME: better wrap open/open-file,
433 ;; content-mangling is always bad.
434 ;; MINGW hack: need to have "b"inary for embedding CFFs
435 (open-file filename "wb")
437 (paper (ly:paper-book-paper book))
438 (page-stencils (map page-stencil (ly:paper-book-pages book)))
440 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
441 (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
442 (page-count (length page-stencils))
443 (port (ly:outputter-port outputter)))
445 (output-scopes scopes fields basename)
446 (display (file-header paper page-count #t) port)
447 (display "\n%%BeginDefaults
449 %%EndDefaults\n" port)
451 (write-preamble paper #t port)
455 (set! page-number (1+ page-number))
456 (dump-page outputter page page-number page-count landscape?))
459 (display "%%Trailer\n%%EOF\n" port)
460 (ly:outputter-close outputter)
461 (postprocess-output book framework-ps-module filename
462 (ly:output-formats))))
464 (define-public (dump-stencil-as-EPS paper dump-me filename load-fonts?)
465 (define (to-bp-box mmbox)
466 (let* ((scale (ly:output-def-lookup paper 'output-scale))
470 (round (/ (* x scale) (ly:bp 1))))) mmbox)))
474 (max (1+ (car box)) (caddr box))
475 (max (1+ (cadr box)) (cadddr box))
478 (let* ((outputter (ly:make-paper-outputter
479 ;; FIXME: better wrap open/open-file,
480 ;; content-mangling is always bad.
481 ;; MINGW hack: need to have "b"inary for embedding CFFs
482 (open-file (format "~a.eps" filename) "wb")
486 (port (ly:outputter-port outputter))
487 (xext (ly:stencil-extent dump-me X))
488 (yext (ly:stencil-extent dump-me Y))
492 (if (or (nan? x) (inf? x)
494 (equal? (format #f "~S" x) "+#.#")
495 (equal? (format #f "~S" x) "-#.#"))
498 ;; the left-overshoot is to make sure that
499 ;; bar numbers stick out of margin uniformly.
501 (list (min left-overshoot (car xext))
502 (car yext) (cdr xext) (cdr yext))))
503 (rounded-bbox (to-bp-box bbox))
504 (port (ly:outputter-port outputter))
505 (header (eps-header paper rounded-bbox load-fonts?)))
507 (display header port)
508 (write-preamble paper load-fonts? port)
509 (display "gsave set-ps-scale-to-lily-scale \n" port)
510 (ly:outputter-dump-stencil outputter dump-me)
511 (display "stroke grestore\n%%Trailer\n%%EOF\n" port)
512 (ly:outputter-close outputter)))
514 (define-public (output-preview-framework basename book scopes fields)
515 (let* ((paper (ly:paper-book-paper book))
516 (systems (ly:paper-book-systems book))
517 (scale (ly:output-def-lookup paper 'output-scale))
518 (to-dump-systems '()))
522 (not (ly:get-option 'preview-include-book-title))
524 (ly:prob-property (car systems) 'is-book-title #f))
526 (set! systems (cdr systems)))
531 (paper-system-title? sys)
532 (not (pair? to-dump-systems))
533 (paper-system-title? (car to-dump-systems)))
534 (set! to-dump-systems (cons sys to-dump-systems))))
539 (stack-stencils Y DOWN 0.0
540 (map paper-system-stencil (reverse to-dump-systems)))
541 (format "~a.preview" basename)
544 (postprocess-output book framework-ps-module
545 (format "~a.preview.eps" basename)
546 (cons "png" (ly:output-formats)))))
549 (define-public (output-preview-framework basename book scopes fields)
551 (let* ((paper (ly:paper-book-paper book))
552 (systems (ly:paper-book-systems book))
553 (scale (ly:output-def-lookup paper 'output-scale))
554 (titles (take-while paper-system-title? systems))
555 (non-title (find (lambda (x)
556 (not (paper-system-title? x))) systems))
558 (stack-stencils Y DOWN 0.0
559 (map paper-system-stencil
560 (append titles (list non-title))))))
561 (output-scopes scopes fields basename)
562 (dump-stencil-as-EPS paper dump-me
563 (format "~a.preview" basename)
566 (postprocess-output book framework-ps-module
567 (format "~a.preview.eps" basename)
568 (ly:output-formats)))))
569 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
571 (define-public (convert-to-pdf book name)
572 (let* ((defs (ly:paper-book-paper book))
573 (papersizename (ly:output-def-lookup defs 'papersizename)))
575 (if (equal? (basename name ".ps") "-")
576 (ly:warning (_ "can't convert <stdout> to ~S" "PDF"))
577 (postscript->pdf (if (string? papersizename) papersizename "a4")
580 (define-public (convert-to-png book name)
581 (let* ((defs (ly:paper-book-paper book))
582 (defs-resolution (ly:output-def-lookup defs 'pngresolution))
583 (resolution (if (number? defs-resolution)
585 (ly:get-option 'resolution)))
586 (papersizename (ly:output-def-lookup defs 'papersizename)))
588 (postscript->png resolution
589 (if (string? papersizename) papersizename "a4")
592 (define-public (convert-to-dvi book name)
593 (ly:warning (_ "can't generate ~S using the postscript back-end") "DVI"))
595 (define-public (convert-to-tex book name)
596 (ly:warning (_ "can't generate ~S using the postscript back-end") "TeX"))
598 (define-public (convert-to-ps book name)
601 (define-public (output-classic-framework basename book scopes fields)
603 (ly:error (_ "\nThe PostScript backend does not support the 'classic'
604 framework. Use the EPS backend instead,
606 lilypond -b eps <file>
608 or remove the lilypond-book specific settings from the input.