1 ;;;; This file is part of LilyPond, the GNU music typesetter.
3 ;;;; Copyright (C) 2004--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
5 ;;;; LilyPond is free software: you can redistribute it and/or modify
6 ;;;; it under the terms of the GNU General Public License as published by
7 ;;;; the Free Software Foundation, either version 3 of the License, or
8 ;;;; (at your option) any later version.
10 ;;;; LilyPond is distributed in the hope that it will be useful,
11 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ;;;; GNU General Public License for more details.
15 ;;;; You should have received a copy of the GNU General Public License
16 ;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
18 (define-module (scm framework-ps))
20 ;;; this is still too big a mess.
22 (use-modules (ice-9 string-fun)
31 (define format ergonomic-simple-format)
33 (define framework-ps-module (current-module))
35 ;;(define pdebug stderr)
36 (define (pdebug . rest) #f)
38 (define-public (ps-font-command font)
39 (let* ((name (ly:font-file-name font))
40 (magnify (ly:font-magnification font)))
49 "m" (string-encode-integer (inexact->exact (round (* 1000 magnify)))))))
51 (define (ps-define-pango-pf pango-pf font-name scaling)
54 (define (ps-define-font font font-name scaling)
57 "/" (ps-font-command font) "-N"
59 " " (ly:number->string scaling) " output-scale div selectfont }"
61 "/" (ps-font-command font) "-S"
63 " " (ly:number->string scaling) " output-scale div selectfont }"
65 "/" (ps-font-command font) "-O"
67 " " (ly:number->string scaling) " output-scale div selectfont }"
69 "/help" font-name " {\n gsave\n 1 setgray\n /"
71 " 0.001 selectfont 0 0 moveto <01> show\n /"
73 " 0.001 selectfont 0 0 moveto <01> show\n /"
75 " 0.001 selectfont 0 0 moveto <01> show\n grestore\n} def\n")
77 "/" (ps-font-command font)
79 " " (ly:number->string scaling) " output-scale div selectfont }"
82 ;; FIXME: duplicated in other output backends
83 ;; FIXME: silly interface name
84 (define (output-variables layout)
85 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
86 (define (value->string val)
88 ((string? val) (string-append "(" val ")"))
89 ((symbol? val) (symbol->string val))
90 ((number? val) (number->string val))
93 (define (output-entry ps-key ly-key)
96 (value->string (ly:output-def-lookup layout ly-key)) " def\n"))
100 (number->string (/ (ly:bp 1))) " 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)) " def\n"
107 (output-entry "page-height" 'paper-height)
108 (output-entry "page-width" 'paper-width)
109 (if (ly:get-option 'strokeadjust) "true setstrokeadjust\n" "")
112 (define (dump-page outputter page page-number page-count landscape?)
113 (ly:outputter-dump-string
116 (format #f "%%Page: ~a ~a\n" page-number page-number)
119 "page-width output-scale lily-output-units mul mul 0 translate 90 rotate\n"
123 "gsave 0 paper-height translate set-ps-scale-to-lily-scale\n"
124 "/helpEmmentaler-Brace where {pop helpEmmentaler-Brace} if\n"
125 "/helpEmmentaler-11 where {pop helpEmmentaler-11} if\n"
126 "/helpEmmentaler-13 where {pop helpEmmentaler-13} if\n"
127 "/helpEmmentaler-14 where {pop helpEmmentaler-14} if\n"
128 "/helpEmmentaler-16 where {pop helpEmmentaler-16} if\n"
129 "/helpEmmentaler-18 where {pop helpEmmentaler-18} if\n"
130 "/helpEmmentaler-20 where {pop helpEmmentaler-20} if\n"
131 "/helpEmmentaler-23 where {pop helpEmmentaler-23} if\n"
132 "/helpEmmentaler-26 where {pop helpEmmentaler-26} if\n"))
133 (ly:outputter-dump-stencil outputter page)
134 (ly:outputter-dump-string outputter "stroke grestore\nshowpage\n"))
136 (define (supplies-or-needs paper load-fonts?)
137 (define (extract-names font)
138 (if (ly:pango-font? font)
139 (map car (ly:pango-font-physical-fonts font))
140 (list (ly:font-name font))))
142 (let* ((fonts (ly:paper-fonts paper))
143 (names (append-map extract-names fonts)))
148 "%%DocumentSuppliedResources: font ~a\n"
149 "%%DocumentNeededResources: font ~a\n")
151 (uniq-list (sort names string<?))))))
153 (define (eps-header paper bbox load-fonts?)
154 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
155 "%%Creator: LilyPond " (lilypond-version) "\n"
157 (string-join (map ly:number->string bbox) " ") "\n"
159 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
162 (supplies-or-needs paper load-fonts?)
165 (define (ps-document-media paper)
167 (ly:output-def-lookup paper 'output-scale)
168 (ly:output-def-lookup paper 'paper-width)) (ly:bp 1)))
170 (ly:output-def-lookup paper 'paper-height)
171 (ly:output-def-lookup paper 'output-scale))
173 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t)))
174 (ly:format "%%DocumentMedia: ~a ~2f ~2f ~a ~a ~a\n"
175 (ly:output-def-lookup paper 'papersizename)
183 (define (file-header paper page-count load-fonts?)
184 (string-append "%!PS-Adobe-3.0\n"
185 "%%Creator: LilyPond " (lilypond-version) "\n"
186 "%%Pages: " (number->string page-count) "\n"
187 "%%PageOrder: Ascend\n"
189 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
192 (ps-document-media paper)
193 (supplies-or-needs paper load-fonts?)
196 (define (procset file-name)
198 "%%BeginResource: procset (~a) 1 0
202 file-name (cached-file-contents file-name)))
204 (define (embed-document file-name)
205 (format #f "%%BeginDocument: ~a
209 file-name (cached-file-contents file-name)))
211 (define (setup-variables paper)
214 (define-fonts paper ps-define-font ps-define-pango-pf)
215 (output-variables paper)))
217 (define (cff-font? font)
218 (let* ((cff-string (ly:otf-font-table-data font "CFF ")))
219 (> (string-length cff-string) 0)))
221 (define-public (ps-embed-cff body font-set-name version)
224 (format #f "/~a ~s StartData " font-set-name (string-length body))
228 "%%BeginResource: font ~a
229 %!PS-Adobe-3.0 Resource-FontSet
230 %%DocumentNeededResources: ProcSet (FontSetInit)
231 %%Title: (FontSet/~a)
234 %%IncludeResource: ProcSet (FontSetInit)
235 %%BeginResource: FontSet (~a)
236 /FontSetInit /ProcSet findresource begin
237 %%BeginData: ~s Binary Bytes
239 font-set-name font-set-name version font-set-name
240 (string-length binary-data)))
244 (string-append header
248 (define (write-preamble paper load-fonts? port)
249 (define (internal-font? font-name-filename)
250 (let* ((font (car font-name-filename))
251 (file-name (caddr font-name-filename))
252 (font-file-name (ly:find-file (format #f "~a.otf" file-name))))
256 (string-contains font-file-name
257 (ly:get-option 'datadir)))))
259 (define (load-font-via-GS font-name-filename)
260 (define (is-collection-font? file-name)
261 (let ((port (open-file file-name "rb")))
262 (if (eq? (read-char port) #\t)
263 (if (eq? (read-char port) #\t)
264 (if (eq? (read-char port) #\c)
265 (if (eq? (read-char port) #\f)
272 (define (ps-load-file file-name)
273 (if (string? file-name)
274 (if (string-contains file-name (ly:get-option 'datadir))
276 (set! file-name (ly:string-substitute (ly:get-option 'datadir)
279 "lilypond-datadir (~a) concatstrings (r) file .loadfont\n"
281 (format #f "(~a) (r) file .loadfont\n" file-name))
282 (format #f "% cannot find font file: ~a\n" file-name)))
284 (let* ((font (car font-name-filename))
285 (name (cadr font-name-filename))
286 (file-name (caddr font-name-filename))
287 (font-index (cadddr font-name-filename))
288 (bare-file-name (ly:find-file file-name)))
290 ((and (number? font-index)
292 (ly:warning (_ "Font ~a cannot be loaded via Ghostscript because its font-index (~a) is not zero.")
294 (load-font font-name-filename))
295 ((and (string? bare-file-name)
296 (eq? (ly:get-font-format bare-file-name font-index) 'CFF)
297 (is-collection-font? bare-file-name))
298 (ly:warning (_ "Font ~a cannot be loaded via Ghostscript because it is an OpenType/CFF (OTC) font.")
300 (load-font font-name-filename))
301 ((and (string? bare-file-name)
302 (eq? (ly:get-font-format bare-file-name font-index) 'TrueType)
303 (not (ly:has-glyph-names? bare-file-name font-index)))
304 (ly:warning (_ "Font ~a cannot be used via Ghostscript because it is a TrueType font that does not have glyph names.")
306 (load-font font-name-filename))
309 (if (mac-font? bare-file-name)
310 (handle-mac-font name bare-file-name)
312 ((and font (cff-font? font))
313 (ps-load-file (ly:find-file
314 (format #f "~a.otf" file-name))))
315 ((string? bare-file-name)
316 (ps-load-file file-name))
318 (ly:warning (_ "cannot embed ~S=~S") name file-name)
321 (define (dir-join a b)
324 (string-append a "/" b)))
326 (define (dir-listing dir-name)
327 (define (dir-helper dir lst)
328 (let ((e (readdir dir)))
331 (dir-helper dir (cons e lst)))))
332 (reverse (dir-helper (opendir dir-name) '())))
334 (define (handle-mac-font name file-name)
335 (let* ((dir-name (tmpnam))
340 (mkdir dir-name #o700)
342 (set! status (ly:system (list "fondu" "-force" file-name)))
344 (set! files (dir-listing dir-name))
347 (let* ((full-name (dir-join dir-name f)))
349 (equal? 'regular (stat:type (stat full-name)))
350 (equal? name (ly:ttf-ps-name full-name)))
351 (set! embed (font-file-as-ps-string name full-name 0)))
352 (if (or (equal? "." f)
355 (delete-file full-name))))
360 (set! embed "% failed\n")
361 (ly:warning (_ "cannot extract file matching ~a from ~a")
365 (define (font-file-as-ps-string name file-name font-index)
366 (let ((font-format (ly:get-font-format file-name font-index)))
368 ((eq? font-format (string->symbol "Type 1"))
369 ;; Type 1 (PFA and PFB) fonts
370 (ly:type1->pfa file-name))
371 ((eq? font-format 'TrueType)
372 ;; TrueType fonts (TTF) and TrueType Collection (TTC)
373 (ly:ttf->pfa file-name font-index))
374 ((eq? font-format 'CFF)
375 ;; OpenType/CFF fonts (OTF) and OpenType/CFF Collection (OTC)
376 (ps-embed-cff (ly:otf->cff file-name font-index) name 0))
378 (ly:warning (_ "do not know how to embed ~S=~S") name file-name)
381 (define (mac-font? bare-file-name)
382 (and (eq? PLATFORM 'darwin)
384 (or (string-endswith bare-file-name ".dfont")
385 (= (stat:size (stat bare-file-name)) 0))))
387 (define (load-font font-psname-filename-fontindex)
388 (let* ((font (list-ref font-psname-filename-fontindex 0))
389 (name (list-ref font-psname-filename-fontindex 1))
390 (file-name (list-ref font-psname-filename-fontindex 2))
391 (font-index (list-ref font-psname-filename-fontindex 3))
392 (bare-file-name (ly:find-file file-name)))
394 (cond ((mac-font? bare-file-name)
395 (handle-mac-font name bare-file-name))
396 ((and font (cff-font? font))
397 (ps-embed-cff (ly:otf-font-table-data font "CFF ")
400 (bare-file-name (font-file-as-ps-string
401 name bare-file-name font-index))
403 (ly:warning (_ "do not know how to embed font ~s ~s ~s")
404 name file-name font))))))
406 (define (load-fonts paper)
407 (let* ((fonts (ly:paper-fonts paper))
409 ;; todo - doc format of list.
413 (cond ((string? (ly:font-file-name font))
416 (ly:font-file-name font)
418 ((ly:pango-font? font)
419 (map (lambda (psname-filename-fontindex)
421 (list-ref psname-filename-fontindex 0)
422 (list-ref psname-filename-fontindex 1)
423 (list-ref psname-filename-fontindex 2)))
424 (ly:pango-font-physical-fonts font)))
426 (ly:font-sub-fonts font))))
428 (font-names (uniq-list
429 (sort (concatenate all-font-names)
430 (lambda (x y) (string<? (cadr x) (cadr y))))))
432 ;; slightly spaghetti-ish: deciding what to load where
436 (cond ((ly:get-option 'gs-load-fonts)
437 (load-font-via-GS name))
438 ((ly:get-option 'gs-load-lily-fonts)
439 (if (or (string-contains (caddr name)
440 (ly:get-option 'datadir))
441 (internal-font? name))
442 (load-font-via-GS name)
446 (pfas (map font-loader font-names)))
450 (display "%%BeginProlog\n" port)
453 "/lilypond-datadir where {pop} {userdict /lilypond-datadir (~a) put } ifelse"
454 (ly:get-option 'datadir))
456 (for-each (lambda (f)
457 (format port "\n%%BeginFont: ~a\n" (car f))
458 (display (cdr f) port)
459 (display "%%EndFont\n" port))
462 (display (procset "encodingdefs.ps") port))
463 (display (setup-variables paper) port)
465 ;; adobe note 5002: should initialize variables before loading routines.
466 (display (procset "music-drawing-routines.ps") port)
467 (display (procset "lilyponddefs.ps") port)
468 (display "%%EndProlog\n" port)
469 (display "%%BeginSetup\ninit-lilypond-parameters\n%%EndSetup\n\n" port))
471 (define (ps-quote str)
473 (lambda (replacement-list result)
477 (car replacement-list))
478 (cadr replacement-list)))
480 '((#\\ "\\\\") (#\( "\\(") (#\) "\\)"))))
482 ;;; Create DOCINFO pdfmark containing metadata
483 ;;; header fields with pdf prefix override those without the prefix
484 (define (handle-metadata header port)
485 (define (metadata-encode val)
486 ;; First, call ly:encode-string-for-pdf to encode the string (latin1 or
487 ;; utf-16be), then escape all parentheses and backslashes
488 ;; FIXME guile-2.0: use (string->utf16 str 'big) instead
490 (ps-quote (ly:encode-string-for-pdf val)))
491 (define (metadata-lookup-output overridevar fallbackvar field)
492 (let* ((overrideval (ly:modules-lookup (list header) overridevar))
493 (fallbackval (ly:modules-lookup (list header) fallbackvar))
494 (val (if overrideval overrideval fallbackval)))
496 (format port "/~a (~a)\n" field (metadata-encode (markup->string val (list header)))))))
500 (display "mark " port)
501 (metadata-lookup-output 'pdfauthor 'author "Author")
502 (format port "/Creator (LilyPond ~a)\n" (lilypond-version))
503 (metadata-lookup-output 'pdftitle 'title "Title")
504 (metadata-lookup-output 'pdfsubject 'subject "Subject")
505 (metadata-lookup-output 'pdfkeywords 'keywords "Keywords")
506 (metadata-lookup-output 'pdfmodDate 'modDate "ModDate")
507 (metadata-lookup-output 'pdfsubtitle 'subtitle "Subtitle")
508 (metadata-lookup-output 'pdfcomposer 'composer "Composer")
509 (metadata-lookup-output 'pdfarranger 'arranger "Arranger")
510 (metadata-lookup-output 'pdfpoet 'poet "Poet")
511 (metadata-lookup-output 'pdfcopyright 'copyright "Copyright")
512 (display "/DOCINFO pdfmark\n\n" port)))
514 (if (ly:get-option 'embed-source-code)
515 (let ((source-list (delete-duplicates
516 (remove (lambda (str)
519 (ly:get-option 'datadir))
521 "<included string>")))
522 (ly:source-files)))))
523 (display "\n/pdfmark where
524 {pop} {userdict /pdfmark /cleartomark load put} ifelse" port)
525 (for-each (lambda (fname idx)
527 mark /_objdef {ly~a_stream} /type /stream /OBJ pdfmark
528 mark {ly~a_stream} << /Type /EmbeddedFile>> /PUT pdfmark
529 mark {ly~a_stream} (~a) /PUT pdfmark
530 mark /Name (LilyPond source file ~a)
531 /FS << /Type /Filespec /F (~a) /EF << /F {ly~a_stream} >> >> /EMBED pdfmark
532 mark {ly~a_stream} /CLOSE pdfmark
535 (ps-quote (ly:gulp-file fname))
537 source-list (iota (length source-list))))))
539 (define-public (output-framework basename book scopes fields)
540 (let* ((port-tmp (make-tmpfile))
541 (tmp-name (port-filename port-tmp))
542 (outputter (ly:make-paper-outputter
545 (paper (ly:paper-book-paper book))
546 (header (ly:paper-book-header book))
547 (systems (ly:paper-book-systems book))
548 (page-stencils (map page-stencil (ly:paper-book-pages book)))
549 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
550 (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
551 (page-count (length page-stencils))
552 (port (ly:outputter-port outputter)))
553 (if (ly:get-option 'clip-systems)
554 (clip-system-EPSes basename book))
555 (if (ly:get-option 'dump-signatures)
556 (write-system-signatures basename (ly:paper-book-systems book) 1))
557 (output-scopes scopes fields basename)
558 (display (file-header paper page-count #t) port)
559 ;; don't do BeginDefaults PageMedia: A4
560 ;; not necessary and wrong
561 (write-preamble paper #t port)
562 (handle-metadata header port)
565 (set! page-number (1+ page-number))
566 (dump-page outputter page page-number page-count landscape?))
568 (display "%%Trailer\n%%EOF\n" port)
569 (ly:outputter-close outputter)
570 (postprocess-output book framework-ps-module (ly:output-formats)
571 basename tmp-name #f)))
573 (define-public (dump-stencil-as-EPS paper dump-me filename
575 (let* ((xext (ly:stencil-extent dump-me X))
576 (yext (ly:stencil-extent dump-me Y))
577 (padding (ly:get-option 'eps-box-padding))
578 (left-overshoot (if (number? padding)
579 (* -1 padding (ly:output-def-lookup paper 'mm))
584 (if (or (nan? x) (inf? x)
586 (equal? (format #f "~S" x) "+#.#")
587 (equal? (format #f "~S" x) "-#.#"))
590 ;; the left-overshoot is to make sure that
591 ;; bar numbers stick out of margin uniformly.
594 (if (number? left-overshoot)
595 (min left-overshoot (car xext))
597 (car yext) (cdr xext) (cdr yext)))))
598 (dump-stencil-as-EPS-with-bbox paper dump-me filename load-fonts bbox)))
600 (define-public (dump-stencil-as-EPS-with-bbox paper dump-me filename
603 "Create an EPS file from stencil @var{dump-me} to @var{filename}.
604 @var{bbox} has format @code{(left-x, lower-y, right-x, upper-y)}. If
605 @var{load-fonts} set, include fonts inline."
606 (define (to-rounded-bp-box box)
607 "Convert box to 1/72 inch with rounding to enlarge the box."
608 (let* ((scale (ly:output-def-lookup paper 'output-scale))
609 (strip-non-number (lambda (x)
614 (directed-round (lambda (x rounder)
616 (rounder (/ (* (strip-non-number x) scale)
618 (list (directed-round (car box) floor)
619 (directed-round (cadr box) floor)
620 (directed-round (max (1+ (car box)) (caddr box)) ceiling)
621 (directed-round (max (1+ (cadr box)) (cadddr box)) ceiling))))
623 (let* ((outputter (ly:make-paper-outputter
624 ;; FIXME: better wrap open/open-file,
625 ;; content-mangling is always bad.
626 ;; MINGW hack: need to have "b"inary for embedding CFFs
627 (open-file (format #f "~a.eps" filename) "wb")
629 (port (ly:outputter-port outputter))
630 (rounded-bbox (to-rounded-bp-box bbox))
631 (port (ly:outputter-port outputter))
632 (header (eps-header paper rounded-bbox load-fonts)))
633 (display header port)
634 (write-preamble paper load-fonts port)
635 (display "/mark_page_link { pop pop pop pop pop } bind def\n" port)
636 (display "gsave set-ps-scale-to-lily-scale\n" port)
637 (display "/helpEmmentaler-Brace where {pop helpEmmentaler-Brace} if\n" port)
638 (display "/helpEmmentaler-11 where {pop helpEmmentaler-11} if\n" port)
639 (display "/helpEmmentaler-13 where {pop helpEmmentaler-13} if\n" port)
640 (display "/helpEmmentaler-14 where {pop helpEmmentaler-14} if\n" port)
641 (display "/helpEmmentaler-16 where {pop helpEmmentaler-16} if\n" port)
642 (display "/helpEmmentaler-18 where {pop helpEmmentaler-18} if\n" port)
643 (display "/helpEmmentaler-20 where {pop helpEmmentaler-20} if\n" port)
644 (display "/helpEmmentaler-23 where {pop helpEmmentaler-23} if\n" port)
645 (display "/helpEmmentaler-26 where {pop helpEmmentaler-26} if\n" port)
646 (ly:outputter-dump-stencil outputter dump-me)
647 (display "stroke grestore\n%%Trailer\n%%EOF\n" port)
648 (ly:outputter-close outputter)))
650 (define (clip-systems-to-region basename paper systems region do-pdf do-png)
651 (let* ((extents-system-pairs
652 (filtered-map (lambda (paper-system)
653 (let* ((x-ext (system-clipped-x-extent
654 (paper-system-system-grob paper-system)
657 (cons x-ext paper-system)
662 (lambda (ext-system-pair)
663 (let* ((xext (car ext-system-pair))
664 (paper-system (cdr ext-system-pair))
665 (yext (paper-system-extent paper-system Y))
666 (bbox (list (car xext) (car yext)
667 (cdr xext) (cdr yext)))
668 (filename (if (< 0 count)
669 (format #f "~a-~a" basename count)
671 (set! count (1+ count))
672 (dump-stencil-as-EPS-with-bbox paper
673 (paper-system-stencil paper-system)
675 (ly:get-option 'include-eps-fonts)
678 (postscript->pdf 0 0 filename (format #f "~a.eps" filename) #t))
680 (postscript->png (ly:get-option 'resolution) 0 0
681 filename (format #f "~a.eps" filename) #t))))
682 extents-system-pairs)))
684 (define-public (clip-system-EPSes basename paper-book)
686 (member "pdf" (ly:output-formats)))
688 (member "png" (ly:output-formats)))
690 (define (clip-score-systems basename systems)
691 (let* ((layout (ly:grob-layout (paper-system-system-grob (car systems))))
692 (regions (ly:output-def-lookup layout 'clip-regions)))
695 (clip-systems-to-region
696 (format #f "~a-from-~a-to-~a-clip"
698 (rhythmic-location->file-string (car region))
699 (rhythmic-location->file-string (cdr region)))
700 layout systems region
704 ;; partition in system lists sharing their layout blocks
705 (let* ((systems (ly:paper-book-systems paper-book))
707 (score-system-list '()))
709 (lambda (system last-system)
710 (if (not (and last-system
711 (equal? (paper-system-layout last-system)
712 (paper-system-layout system))))
713 (set! score-system-list (cons '() score-system-list)))
714 (if (paper-system-layout system)
715 (set-car! score-system-list (cons system (car score-system-list))))
720 (for-each (lambda (system-list)
721 ;; filter out headers and top-level markup
722 (if (pair? system-list)
725 (format #f "~a-~a" basename count)
730 (define-public (output-preview-framework basename book scopes fields)
731 (let* ((paper (ly:paper-book-paper book))
732 (systems (relevant-book-systems book))
733 (to-dump-systems (relevant-dump-systems systems)))
734 (dump-stencil-as-EPS paper
735 (stack-stencils Y DOWN 0.0
736 (map paper-system-stencil
737 (reverse to-dump-systems)))
738 (format #f "~a.preview" basename)
740 (postprocess-output book framework-ps-module
741 (cons "png" (ly:output-formats))
742 (format #f "~a.preview" basename)
743 (format #f "~a.preview.eps" basename)
747 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
749 (define (output-width-height defs)
750 (let* ((landscape (ly:output-def-lookup defs 'landscape))
751 (output-scale (ly:output-def-lookup defs 'output-scale))
753 (* x output-scale (/ (ly:bp 1)))))
754 (paper-width (convert (ly:output-def-lookup defs 'paper-width)))
755 (paper-height (convert (ly:output-def-lookup defs 'paper-height)))
756 (w (if landscape paper-height paper-width))
757 (h (if landscape paper-width paper-height)))
760 (define (output-resolution defs)
761 (let ((defs-resolution (ly:output-def-lookup defs 'pngresolution)))
762 (if (number? defs-resolution)
764 (ly:get-option 'resolution))))
766 (define-public (convert-to-pdf book base-name tmp-name is-eps)
767 (let* ((defs (ly:paper-book-paper book))
768 (width-height (output-width-height defs))
769 (width (car width-height))
770 (height (cdr width-height)))
771 (postscript->pdf width height base-name tmp-name is-eps)))
773 (define-public (convert-to-png book base-name tmp-name is-eps)
774 (let* ((defs (ly:paper-book-paper book))
775 (resolution (output-resolution defs))
776 (width-height (output-width-height defs))
777 (width (car width-height))
778 (height (cdr width-height)))
779 (postscript->png resolution width height base-name tmp-name is-eps)))
781 (define-public (convert-to-ps book base-name tmp-name is-eps)
782 (postscript->ps base-name tmp-name is-eps))
784 (define-public (output-classic-framework basename book scopes fields)
785 (ly:error (_ "\nThe PostScript backend does not support the
786 system-by-system output. For that, use the EPS backend instead,
788 lilypond -dbackend=eps FILE
790 If you have cut & pasted a lilypond fragment from a webpage, be sure
791 to only remove anything before
793 %% ****************************************************************
794 %% Start cut-&-pastable-section
795 %% ****************************************************************