2 ;; framework-ps.scm -- structure for PostScript output
4 ;; source file of the GNU LilyPond music typesetter
6 ;; (c) 2004--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 (define-module (scm framework-ps))
10 ;;; this is still too big a mess.
12 (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 (regexp-substitute/global #f "([eE]mmentaler|[aA]ybabtu)"
192 name 'pre "PFA" 1 'post))
194 (define (cff-font? font)
196 ((cff-string (ly:otf-font-table-data font "CFF ")))
197 (> (string-length cff-string) 0)))
199 (define-public (ps-embed-cff body font-set-name version)
202 (format "/~a ~s StartData " font-set-name (string-length body))
207 "%%BeginResource: font ~a
208 %!PS-Adobe-3.0 Resource-FontSet
209 %%DocumentNeededResources: ProcSet (FontSetInit)
210 %%Title: (FontSet/~a)
213 %%IncludeResource: ProcSet (FontSetInit)
214 %%BeginResource: FontSet (~a)
215 /FontSetInit /ProcSet findresource begin
216 %%BeginData: ~s Binary Bytes
218 font-set-name font-set-name version font-set-name
219 (string-length binary-data)))
231 (define (write-preamble paper load-fonts? port)
233 (define (load-font-via-GS font-name-filename)
234 (define (ps-load-file name)
237 "(~a) (r) file .loadfont\n"
238 "% fontfile ~a could not be found\n")
241 (let* ((font (car font-name-filename))
242 (name (cadr font-name-filename))
243 (file-name (caddr font-name-filename))
244 (bare-file-name (ly:find-file file-name)))
247 (munge-lily-font-name name)
249 ((string-match "([eE]mmentaler|[Aa]ybabtu)" file-name)
250 (ps-load-file (ly:find-file
251 (format "~a.pfa" (munge-lily-font-name file-name)))))
252 ((string? bare-file-name)
253 (ps-load-file (munge-lily-font-name file-name)))
255 (ly:warning (_ "don't know how to embed ~S=~S") name file-name)
258 ;; ugh. posix /windows/mingw?
259 (define (path-join a b)
262 (string-append a "/" b)))
264 (define (dir-listing dir-name)
265 (define (dir-helper dir lst)
266 (let ((e (readdir dir)))
267 (if (eof-object? e) lst (dir-helper dir (cons e lst)))))
268 (reverse (dir-helper (opendir dir-name) '())))
270 (define (handle-mac-font name filename)
278 (display (list filename name))
279 (mkdir dir-name #o700)
282 (format "cd ~a && fondu -force ~a" dir-name filename)))
285 (ly:error "Fondu failed."))
287 (set! files (dir-listing dir-name))
291 (if (string-match (string-append name "\\.") f)
293 (font-file-as-ps-string name (path-join dir-name f))))
295 (if (or (equal? "." f)
298 (delete-file (path-join dir-name f))))
303 (define (font-file-as-ps-string name file-name)
305 ((and file-name (string-match "\\.pfa" file-name))
306 (cached-file-contents file-name))
307 ((and file-name (string-match "\\.pfb" file-name))
308 (ly:pfb->pfa file-name))
309 ((and file-name (string-match "\\.ttf" file-name))
310 (ly:ttf->pfa file-name))
311 ((and file-name (string-match "\\.otf" file-name))
312 (ps-embed-cff (ly:otf->cff file-name) name 0))
313 ((and file-name (string-match "\\.ttf" file-name))
314 (ly:ttf->pfa file-name))
316 (ly:warning (_ "don't know how to embed ~S=~S") name file-name)
320 (define (load-font font-name-filename)
321 (let* ((font (car font-name-filename))
322 (name (cadr font-name-filename))
323 (file-name (caddr font-name-filename))
324 (bare-file-name (ly:find-file file-name))
328 (munge-lily-font-name name)
330 ((string-match "([eE]mmentaler|[Aa]ybabtu)" file-name)
331 (cached-file-contents
332 (format "~a.pfa" (munge-lily-font-name file-name))))
334 (eq? PLATFORM 'darwin)
335 bare-file-name (string-match "\\.dfont" bare-file-name))
336 (handle-mac-font name bare-file-name))
339 (eq? PLATFORM 'darwin)
340 bare-file-name (= (stat:size (stat bare-file-name)) 0))
341 (handle-mac-font name bare-file-name))
343 ((and font (cff-font? font))
344 (ps-embed-cff (ly:otf-font-table-data font "CFF ")
348 (bare-file-name (font-file-as-ps-string name bare-file-name))
350 (ly:warning (_ "don't know how to embed font ~s ~s ~s")
351 name file-name font))))))
354 (define (load-fonts paper)
355 (let* ((fonts (ly:paper-fonts paper))
360 ((string? (ly:font-file-name font))
364 (ly:font-file-name font))))
365 ((ly:pango-font? font)
367 (lambda (name-psname-pair)
369 (car name-psname-pair)
370 (cdr name-psname-pair)))
371 (ly:pango-font-physical-fonts font)))
374 (ly:font-sub-fonts font))))
379 (sort (apply append all-font-names)
380 (lambda (x y) (string<? (cadr x) (cadr y))))))
383 (font-loader (if (ly:get-option 'gs-font-load)
387 (pfas (map font-loader font-names)))
393 (format port "\n%%BeginFont: ~a\n" (car f))
394 (display (cdr f) port)
395 (display "\n%%EndFont\n" port))
398 (display (setup paper) port)
400 ;; adobe note 5002: should initialize variables before loading routines.
401 (display (procset "music-drawing-routines.ps") port)
402 (display (procset "lilyponddefs.ps") port)
403 (display "init-lilypond-parameters\n" port))
405 (define-public (output-framework basename book scopes fields)
406 (let* ((filename (format "~a.ps" basename))
407 (outputter (ly:make-paper-outputter filename "ps"))
408 (paper (ly:paper-book-paper book))
409 (pages (ly:paper-book-pages book))
410 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
411 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
412 (page-count (length pages))
413 (port (ly:outputter-port outputter)))
415 (output-scopes scopes fields basename)
416 (display (page-header paper page-count #t) port)
417 (write-preamble paper #t port)
421 (set! page-number (1+ page-number))
422 (dump-page outputter page page-number page-count landscape?))
425 (display "%%Trailer\n%%EOF\n" port)
426 (ly:outputter-close outputter)
427 (postprocess-output book framework-ps-module filename
428 (ly:output-formats))))
430 (if (not (defined? 'nan?))
431 (define (nan? x) #f))
433 (if (not (defined? 'inf?))
434 (define (inf? x) #f))
436 (define-public (dump-stencil-as-EPS paper dump-me filename load-fonts?)
437 (define (mm-to-bp-box mmbox)
438 (let* ((scale (ly:output-def-lookup paper 'outputscale))
442 (round (* x scale mm-to-bigpoint)))) mmbox)))
444 (list (car box) (cadr box)
445 (max (1+ (car box)) (caddr box))
446 (max (1+ (cadr box)) (cadddr box)))))
448 (let* ((outputter (ly:make-paper-outputter (format "~a.eps" filename) "ps"))
449 (port (ly:outputter-port outputter))
450 (xext (ly:stencil-extent dump-me X))
451 (yext (ly:stencil-extent dump-me Y))
455 (if (or (nan? x) (inf? x)
457 (equal? (format #f "~S" x) "+#.#")
458 (equal? (format #f "~S" x) "-#.#"))
460 (list (car xext) (car yext) (cdr xext) (cdr yext))))
461 (rounded-bbox (mm-to-bp-box bbox))
462 (port (ly:outputter-port outputter))
463 (header (eps-header paper rounded-bbox load-fonts?)))
465 (display header port)
466 (write-preamble paper load-fonts? port)
467 (display "start-system { set-ps-scale-to-lily-scale \n" port)
468 (ly:outputter-dump-stencil outputter dump-me)
469 (display "} stop-system\n%%Trailer\n%%EOF\n" port)
470 (ly:outputter-close outputter)))
472 (define-public (output-preview-framework basename book scopes fields)
473 (let* ((paper (ly:paper-book-paper book))
474 (systems (ly:paper-book-systems book))
475 (scale (ly:output-def-lookup paper 'outputscale))
476 (to-dump-systems '()))
481 (ly:get-option 'preview-include-book-title))
482 (< 1 (length systems))
483 (ly:paper-system-title? (list-ref systems 0))
484 (ly:paper-system-title? (list-ref systems 1)))
485 (set! systems (cdr systems)))
490 (ly:paper-system-title? sys)
491 (not (pair? to-dump-systems))
492 (ly:paper-system-title? (car to-dump-systems)))
493 (set! to-dump-systems (cons sys to-dump-systems))))
498 (stack-stencils Y DOWN 0.0
499 (map ly:paper-system-stencil (reverse to-dump-systems)))
500 (format "~a.preview" basename)
503 (postprocess-output book framework-ps-module
504 (format "~a.preview.eps" basename)
505 (cons "png" (ly:output-formats)))))
507 (define-public (output-preview-framework basename book scopes fields)
509 (let* ((paper (ly:paper-book-paper book))
510 (systems (ly:paper-book-systems book))
511 (scale (ly:output-def-lookup paper 'outputscale))
512 (titles (take-while ly:paper-system-title? systems))
513 (non-title (find (lambda (x)
514 (not (ly:paper-system-title? x))) systems))
516 (stack-stencils Y DOWN 0.0
517 (map ly:paper-system-stencil
518 (append titles (list non-title))))))
519 (output-scopes scopes fields basename)
520 (dump-stencil-as-EPS paper dump-me
521 (format "~a.preview" basename)
524 (postprocess-output book framework-ps-module
525 (format "~a.preview.eps" basename)
526 (ly:output-formats)))))
527 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
529 (define-public (convert-to-pdf book name)
530 (let* ((defs (ly:paper-book-paper book))
531 (papersizename (ly:output-def-lookup defs 'papersizename)))
533 (if (equal? (basename name ".ps") "-")
534 (ly:warning (_ "can't convert <stdout> to ~S" "PDF"))
535 (postscript->pdf (if (string? papersizename) papersizename "a4")
538 (define-public (convert-to-png book name)
539 (let* ((defs (ly:paper-book-paper book))
540 (defs-resolution (ly:output-def-lookup defs 'pngresolution))
541 (resolution (if (number? defs-resolution)
543 (ly:get-option 'resolution)))
544 (papersizename (ly:output-def-lookup defs 'papersizename)))
546 (postscript->png resolution
547 (if (string? papersizename) papersizename "a4")
550 (define-public (convert-to-dvi book name)
551 (ly:warning (_ "can't generate ~S using the postscript back-end") "DVI"))
553 (define-public (convert-to-tex book name)
554 (ly:warning (_ "can't generate ~S using the postscript back-end") "TeX"))
556 (define-public (convert-to-ps book name)