1 ;;;; framework-ps.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 2004 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)
19 (define framework-ps-module (current-module))
21 (define (stderr string . rest)
22 (apply format (cons (current-error-port) (cons string rest)))
23 (force-output (current-error-port)))
25 ;;(define pdebug stderr)
26 (define (pdebug . rest) #f)
28 (define mm-to-bigpoint
31 (define-public (ps-font-command font . override-coding)
32 (let* ((name (ly:font-file-name font))
33 (magnify (ly:font-magnification font)))
36 "magfont" (string-encode-integer (hashq name 1000000))
37 "m" (string-encode-integer (inexact->exact (round (* 1000 magnify)))))))
39 (define (tex-font? fontname)
41 (equal? (substring fontname 0 2) "cm")
42 (equal? (substring fontname 0 2) "ec")))
44 (define (ps-embed-cff body font-set-name version)
47 (format "/~a ~s StartData " font-set-name (string-length body))
52 "%!PS-Adobe-3.0 Resource-FontSet
53 %%DocumentNeededResources: ProcSet (FontSetInit)
55 %%IncludeResource: ProcSet (FontSetInit)
56 %%BeginResource: FontSet (~a)
59 /FontSetInit /ProcSet findresource begin
60 %%BeginData: ~s Binary Bytes
62 font-set-name font-set-name version (string-length binary-data))
71 (define (define-fonts paper)
73 (define font-list (ly:paper-fonts paper))
74 (define (define-font command fontname scaling)
76 "/" command " { /" fontname " findfont "
77 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
79 (define (standard-tex-font? x)
80 (or (equal? (substring x 0 2) "ms")
81 (equal? (substring x 0 2) "cm")))
83 (define (font-load-command font)
84 (let* ((specced-font-name (ly:font-name font))
85 (fontname (if specced-font-name
87 (ly:font-file-name font)))
88 (command (ps-font-command font))
90 ;; FIXME -- see (ps-font-command )
91 (plain (ps-font-command font #f))
92 (designsize (ly:font-design-size font))
93 (magnification (* (ly:font-magnification font)))
94 (ops (ly:output-def-lookup paper 'outputscale))
95 (scaling (* ops magnification designsize)))
98 ;; Bluesky pfbs have UPCASE names (sigh.)
99 ;; FIXME - don't support Bluesky?
100 (if (standard-tex-font? fontname)
101 (set! fontname (string-upcase fontname)))
102 (if (equal? fontname "unknown")
103 (display (list font fontname)))
104 (define-font plain fontname scaling)))
107 (map (lambda (x) (font-load-command x))
108 (filter (lambda (x) (not (ly:pango-font? x)))
111 ;; FIXME: duplicated in other output backends
112 ;; FIXME: silly interface name
113 (define (output-variables layout)
114 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
115 (define (value->string val)
117 ((string? val) (string-append "(" val ")"))
118 ((symbol? val) (symbol->string val))
119 ((number? val) (number->string val))
122 (define (output-entry ps-key ly-key)
125 (value->string (ly:output-def-lookup layout ly-key)) " def \n"))
128 "/lily-output-units " (number->string mm-to-bigpoint) " def %% milimeter
130 (output-entry "staff-line-thickness" 'linethickness)
131 (output-entry "line-width" 'linewidth)
132 (output-entry "paper-size" 'papersizename)
133 (output-entry "staff-height" 'staffheight) ;junkme.
135 (number->string (ly:output-def-lookup layout 'outputscale))
137 (output-entry "page-height" 'vsize)
138 (output-entry "page-width" 'hsize)))
140 (define (dump-page outputter page page-number page-count landscape?)
141 (ly:outputter-dump-string outputter
144 (number->string page-number) " " (number->string page-count) "\n"
148 "page-width output-scale mul 0 translate 90 rotate\n"
153 "set-ps-scale-to-lily-scale "
155 (ly:outputter-dump-stencil outputter page)
156 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
158 (define (supplies-or-needs paper load-fonts?)
159 (let* ((fonts (ly:paper-fonts paper)))
164 "%%DocumentSuppliedResources: font ~a\n"
165 "%%DocumentNeededResources: font ~a\n")
169 (define (eps-header paper bbox load-fonts?)
170 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
171 "%%Creator: creator time-stamp\n"
173 (string-join (map ly:number->string bbox) " ") "\n"
175 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
178 (supplies-or-needs paper load-fonts?)
181 (define (page-header paper page-count load-fonts?)
182 (string-append "%!PS-Adobe-3.0\n"
183 "%%Creator: creator time-stamp\n"
184 "%%Pages: " (number->string page-count) "\n"
185 "%%PageOrder: Ascend\n"
187 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
190 "%%DocumentPaperSizes: "
191 (ly:output-def-lookup paper 'papersizename) "\n"
192 (supplies-or-needs paper load-fonts?)
195 (define (preamble paper load-fonts?)
196 (define (load-fonts paper)
197 (let* ((fonts (ly:paper-fonts paper))
201 (if (string? (ly:font-file-name font))
202 (list (ly:font-file-name font))
203 (ly:font-sub-fonts font)))
208 (sort (apply append all-font-names) string<?)))
211 (let* ((bare-file-name (ly:find-file x))
212 (cffname (string-append x ".cff"))
213 (aname (string-append x ".pfa"))
214 (bname (string-append x ".pfb"))
215 (cff-file-name (ly:find-file cffname))
216 (a-file-name (ly:kpathsea-find-file aname))
217 (b-file-name (ly:kpathsea-find-file bname)))
219 (bare-file-name (if (string-match "\\.pfb" bare-file-name)
220 (ly:pfb->pfa bare-file-name)
221 (ly:gulp-file bare-file-name)))
222 (cff-file-name (ps-embed-cff (ly:gulp-file cff-file-name) x 0))
223 (a-file-name (ly:gulp-file a-file-name))
224 (b-file-name (ly:pfb->pfa b-file-name))
226 (ly:warn "cannot find CFF/PFA/PFB font ~S" x)
228 (filter string? font-names))))
230 (string-join pfas "\n")))
235 (output-variables paper)
236 (ly:gulp-file "music-drawing-routines.ps")
237 (ly:gulp-file "lilyponddefs.ps")
242 (define-fonts paper)))
244 (define-public (output-framework basename book scopes fields )
245 (let* ((filename (format "~a.ps" basename))
246 (outputter (ly:make-paper-outputter filename
247 (ly:output-backend)))
248 (paper (ly:paper-book-paper book))
249 (pages (ly:paper-book-pages book))
250 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
251 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
252 (page-count (length pages)))
256 (ly:outputter-dump-string outputter x))
258 (page-header paper page-count #t)
259 (preamble paper #t)))
263 (set! page-number (1+ page-number))
264 (dump-page outputter page page-number page-count landscape?))
267 (ly:outputter-dump-string outputter "%%Trailer\n%%EOF\n")
268 (ly:outputter-close outputter)
269 (postprocess-output book framework-ps-module filename (ly:output-formats))
272 (define-public (output-preview-framework basename book scopes fields )
273 (let* ((filename (format "~a.ps" basename))
274 (outputter (ly:make-paper-outputter filename
275 (ly:output-backend)))
276 (paper (ly:paper-book-paper book))
277 (systems (ly:paper-book-systems book))
278 (scale (ly:output-def-lookup paper 'outputscale ))
279 (titles (take-while ly:paper-system-title? systems))
280 (non-title (find (lambda (x)
281 (not (ly:paper-system-title? x))) systems))
283 (stack-stencils Y DOWN 0.0
284 (map ly:paper-system-stencil
285 (append titles (list non-title)))))
286 (xext (ly:stencil-extent dump-me X))
287 (yext (ly:stencil-extent dump-me Y))
291 (if (or (nan? x) (inf? x))
293 (list (car xext) (car yext)
294 (cdr xext) (cdr yext))) ))
298 (ly:outputter-dump-string outputter x))
304 (round (* x scale mm-to-bigpoint))))
307 (preamble paper #t)))
310 (ly:outputter-dump-string outputter
311 (string-append "start-system { "
312 "set-ps-scale-to-lily-scale "
315 (ly:outputter-dump-stencil outputter dump-me)
316 (ly:outputter-dump-string outputter "} stop-system\n%%Trailer\n%%EOF\n")
317 (ly:outputter-close outputter)
318 (postprocess-output book framework-ps-module filename
323 (define-public (output-classic-framework
324 basename book scopes fields)
325 (define paper (ly:paper-book-paper book))
326 (define (dump-line outputter line)
328 ((dump-me (ly:paper-system-stencil line))
329 (xext (ly:stencil-extent dump-me X))
330 (yext (ly:stencil-extent dump-me Y))
331 (scale (ly:output-def-lookup paper 'outputscale))
335 (if (or (nan? x) (inf? x))
337 (list (car xext) (car yext)
338 (cdr xext) (cdr yext))))
339 (header (eps-header paper
343 (round (* x scale mm-to-bigpoint))))
347 (lambda (str) (ly:outputter-dump-string outputter str))
350 (preamble paper #f)))
352 (ly:outputter-dump-string outputter
353 (string-append "start-system { "
354 "set-ps-scale-to-lily-scale "
357 (ly:outputter-dump-stencil outputter dump-me)
358 (ly:outputter-dump-string outputter "} stop-system\n%%Trailer\n%%EOF\n")
359 (ly:outputter-close outputter)))
361 (define (dump-lines lines count)
364 ((outputter (ly:make-paper-outputter (format "~a-~a.eps" basename count)
365 (ly:output-backend)))
368 (dump-line outputter line)
369 (dump-lines rest (1+ count))
372 (let* ((lines (ly:paper-book-systems book))
373 (tex-port (open-output-file (format "~a.tex" basename)))
374 (last-line (car (last-pair lines))))
377 (for-each (lambda (c)
378 (display (format "\\includegraphics{~a-~a.eps}%\n"
379 basename (1+ c)) tex-port))
380 (iota (length lines))
383 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
385 (define-public (convert-to-pdf book name)
386 (let* ((defs (ly:paper-book-paper book))
387 (papersizename (ly:output-def-lookup defs 'papersizename)))
389 (if (equal? name "-")
390 (ly:warn "Can't convert <stdout> to PDF")
391 (postscript->pdf (if (string? papersizename) papersizename "a4")
394 (define-public (convert-to-png book name)
395 (let* ((defs (ly:paper-book-paper book))
396 (resolution (ly:output-def-lookup defs 'pngresolution)))
398 (postscript->png (if (number? resolution) resolution
400 (ly:get-option 'resolution))
403 (define-public (convert-to-dvi book name)
404 (ly:warn "Can not generate DVI via the postscript back-end"))
406 (define-public (convert-to-tex book name)
407 (ly:warn "Can not generate TeX via the postscript back-end"))
409 (define-public (convert-to-ps book name)