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 "%%BeginResource: font ~a
53 %!PS-Adobe-3.0 Resource-FontSet
54 %%DocumentNeededResources: ProcSet (FontSetInit)
58 %%IncludeResource: ProcSet (FontSetInit)
59 %%BeginResource: FontSet (~a)
60 /FontSetInit /ProcSet findresource begin
61 %%BeginData: ~s Binary Bytes
63 font-set-name font-set-name version font-set-name
64 (string-length binary-data))
72 (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 "
129 (number->string mm-to-bigpoint)
130 " def %% millimeter\n"
131 (output-entry "staff-line-thickness" 'linethickness)
132 (output-entry "line-width" 'linewidth)
133 (output-entry "paper-size" 'papersizename)
134 (output-entry "staff-height" 'staffheight) ;junkme.
136 (number->string (ly:output-def-lookup layout 'outputscale))
138 (output-entry "page-height" 'vsize)
139 (output-entry "page-width" 'hsize)))
141 (define (dump-page outputter page page-number page-count landscape?)
142 (ly:outputter-dump-string outputter
145 (number->string page-number) " " (number->string page-count) "\n"
149 "page-width output-scale mul 0 translate 90 rotate\n"
154 "set-ps-scale-to-lily-scale "
156 (ly:outputter-dump-stencil outputter page)
157 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
159 (define (supplies-or-needs paper load-fonts?)
160 (let* ((fonts (ly:paper-fonts paper)))
165 "%%DocumentSuppliedResources: font ~a\n"
166 "%%DocumentNeededResources: font ~a\n")
170 (define (eps-header paper bbox load-fonts?)
171 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
172 "%%Creator: creator time-stamp\n"
174 (string-join (map ly:number->string bbox) " ") "\n"
176 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
179 (supplies-or-needs paper load-fonts?)
182 (define (page-header paper page-count load-fonts?)
183 (string-append "%!PS-Adobe-3.0\n"
184 "%%Creator: creator time-stamp\n"
185 "%%Pages: " (number->string page-count) "\n"
186 "%%PageOrder: Ascend\n"
188 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
191 "%%DocumentPaperSizes: "
192 (ly:output-def-lookup paper 'papersizename) "\n"
193 (supplies-or-needs paper load-fonts?)
196 (define (preamble paper load-fonts?)
197 (define (load-fonts paper)
198 (let* ((fonts (ly:paper-fonts paper))
202 (if (string? (ly:font-file-name font))
203 (list (ly:font-file-name font))
204 (ly:font-sub-fonts font)))
209 (sort (apply append all-font-names) string<?)))
212 (let* ((bare-file-name (ly:find-file x))
213 (cffname (string-append x ".cff"))
214 (aname (string-append x ".pfa"))
215 (bname (string-append x ".pfb"))
216 (cff-file-name (ly:find-file cffname))
217 (a-file-name (ly:kpathsea-find-file aname))
218 (b-file-name (ly:kpathsea-find-file bname)))
220 (bare-file-name (if (string-match "\\.pfb" bare-file-name)
221 (ly:pfb->pfa bare-file-name)
222 (ly:gulp-file bare-file-name)))
223 (cff-file-name (ps-embed-cff (ly:gulp-file cff-file-name) x 0))
224 (a-file-name (ly:gulp-file a-file-name))
225 (b-file-name (ly:pfb->pfa b-file-name))
227 (ly:warn "cannot find CFF/PFA/PFB font ~S" x)
229 (filter string? font-names))))
231 (string-join pfas "\n")))
234 (output-variables paper)
235 (ly:gulp-file "music-drawing-routines.ps")
236 (ly:gulp-file "lilyponddefs.ps")
240 (define-fonts paper)))
242 (define-public (output-framework basename book scopes fields )
243 (let* ((filename (format "~a.ps" basename))
244 (outputter (ly:make-paper-outputter filename
245 (ly:output-backend)))
246 (paper (ly:paper-book-paper book))
247 (pages (ly:paper-book-pages book))
248 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
249 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
250 (page-count (length pages)))
254 (ly:outputter-dump-string outputter x))
256 (page-header paper page-count #t)
257 (preamble paper #t)))
261 (set! page-number (1+ page-number))
262 (dump-page outputter page page-number page-count landscape?))
265 (ly:outputter-dump-string outputter "%%Trailer\n%%EOF\n")
266 (ly:outputter-close outputter)
267 (postprocess-output book framework-ps-module filename (ly:output-formats))
270 (if (not (defined? 'nan?))
271 (define (nan? x) #f))
272 (if (not (defined? 'inf?))
273 (define (inf? x) #f))
275 (define-public (output-preview-framework basename book scopes fields )
276 (let* ((filename (format "~a.ps" basename))
277 (outputter (ly:make-paper-outputter filename
278 (ly:output-backend)))
279 (paper (ly:paper-book-paper book))
280 (systems (ly:paper-book-systems book))
281 (scale (ly:output-def-lookup paper 'outputscale ))
282 (titles (take-while ly:paper-system-title? systems))
283 (non-title (find (lambda (x)
284 (not (ly:paper-system-title? x))) systems))
286 (stack-stencils Y DOWN 0.0
287 (map ly:paper-system-stencil
288 (append titles (list non-title)))))
289 (xext (ly:stencil-extent dump-me X))
290 (yext (ly:stencil-extent dump-me Y))
294 (if (or (nan? x) (inf? x))
296 (list (car xext) (car yext)
297 (cdr xext) (cdr yext))) ))
301 (ly:outputter-dump-string outputter x))
307 (round (* x scale mm-to-bigpoint))))
310 (preamble paper #t)))
313 (ly:outputter-dump-string outputter
314 (string-append "start-system { "
315 "set-ps-scale-to-lily-scale "
318 (ly:outputter-dump-stencil outputter dump-me)
319 (ly:outputter-dump-string outputter "} stop-system\n%%Trailer\n%%EOF\n")
320 (ly:outputter-close outputter)
321 (postprocess-output book framework-ps-module filename
326 (define-public (output-classic-framework
327 basename book scopes fields)
328 (define paper (ly:paper-book-paper book))
329 (define (dump-line outputter line)
331 ((dump-me (ly:paper-system-stencil line))
332 (xext (ly:stencil-extent dump-me X))
333 (yext (ly:stencil-extent dump-me Y))
334 (scale (ly:output-def-lookup paper 'outputscale))
338 (if (or (nan? x) (inf? x))
340 (list (car xext) (car yext)
341 (cdr xext) (cdr yext))))
342 (header (eps-header paper
346 (round (* x scale mm-to-bigpoint))))
350 (lambda (str) (ly:outputter-dump-string outputter str))
353 (preamble paper #f)))
355 (ly:outputter-dump-string outputter
356 (string-append "start-system { "
357 "set-ps-scale-to-lily-scale "
360 (ly:outputter-dump-stencil outputter dump-me)
361 (ly:outputter-dump-string outputter "} stop-system\n%%Trailer\n%%EOF\n")
362 (ly:outputter-close outputter)))
364 (define (dump-lines lines count)
367 ((outputter (ly:make-paper-outputter (format "~a-~a.eps" basename count)
368 (ly:output-backend)))
371 (dump-line outputter line)
372 (dump-lines rest (1+ count))
375 (let* ((lines (ly:paper-book-systems book))
376 (tex-port (open-output-file (format "~a.tex" basename)))
377 (last-line (car (last-pair lines))))
380 (for-each (lambda (c)
381 (display (format "\\includegraphics{~a-~a.eps}%\n"
382 basename (1+ c)) tex-port))
383 (iota (length lines))
386 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
388 (define-public (convert-to-pdf book name)
389 (let* ((defs (ly:paper-book-paper book))
390 (papersizename (ly:output-def-lookup defs 'papersizename)))
392 (if (equal? name "-")
393 (ly:warn "Can't convert <stdout> to PDF")
394 (postscript->pdf (if (string? papersizename) papersizename "a4")
397 (define-public (convert-to-png book name)
398 (let* ((defs (ly:paper-book-paper book))
399 (resolution (ly:output-def-lookup defs 'pngresolution)))
401 (postscript->png (if (number? resolution) resolution
403 (ly:get-option 'resolution))
406 (define-public (convert-to-dvi book name)
407 (ly:warn "Can not generate DVI via the postscript back-end"))
409 (define-public (convert-to-tex book name)
410 (ly:warn "Can not generate TeX via the postscript back-end"))
412 (define-public (convert-to-ps book name)