1 ;;;; framework-ps.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 2004--2005 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 pdebug stderr)
22 (define (pdebug . rest) #f)
24 (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 (ps-embed-pfa body font-name version)
45 "%%BeginResource: font ~a
51 (define (define-fonts paper)
52 (define font-list (ly:paper-fonts paper))
53 (define (define-font command fontname scaling)
55 "/" command " { /" fontname " findfont "
56 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
58 (define (standard-tex-font? x)
59 (or (equal? (substring x 0 2) "ms")
60 (equal? (substring x 0 2) "cm")))
62 (define (font-load-command font)
63 (let* ((specced-font-name (ly:font-name font))
64 (fontname (if specced-font-name
65 (munge-lily-font-name specced-font-name)
66 (ly:font-file-name font)))
67 (command (ps-font-command font))
69 ;; FIXME -- see (ps-font-command )
70 (plain (ps-font-command font))
71 (designsize (ly:font-design-size font))
72 (magnification (* (ly:font-magnification font)))
73 (ops (ly:output-def-lookup paper 'outputscale))
74 (scaling (* ops magnification designsize)))
76 ;; Bluesky pfbs have UPCASE names (sigh.)
77 ;; FIXME - don't support Bluesky?
78 (if (standard-tex-font? fontname)
79 (set! fontname (string-upcase fontname)))
80 (if (equal? fontname "unknown")
81 (display (list font fontname)))
82 (define-font plain fontname scaling)))
86 (map (lambda (x) (font-load-command x))
87 (filter (lambda (x) (not (ly:pango-font? x)))
90 ;; FIXME: duplicated in other output backends
91 ;; FIXME: silly interface name
92 (define (output-variables layout)
93 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
94 (define (value->string val)
96 ((string? val) (string-append "(" val ")"))
97 ((symbol? val) (symbol->string val))
98 ((number? val) (number->string val))
101 (define (output-entry ps-key ly-key)
104 (value->string (ly:output-def-lookup layout ly-key)) " def\n"))
107 "/lily-output-units "
108 (number->string mm-to-bigpoint)
109 " def %% millimeter\n"
110 (output-entry "staff-line-thickness" 'linethickness)
111 (output-entry "line-width" 'linewidth)
112 (output-entry "paper-size" 'papersizename)
113 (output-entry "staff-height" 'staffheight) ;junkme.
115 (number->string (ly:output-def-lookup layout 'outputscale))
117 (output-entry "page-height" 'vsize)
118 (output-entry "page-width" 'hsize)))
120 (define (dump-page outputter page page-number page-count landscape?)
121 (ly:outputter-dump-string
125 (number->string page-number) " " (number->string page-count) "\n"
129 "page-width output-scale lily-output-units mul mul 0 translate 90 rotate\n"
134 "set-ps-scale-to-lily-scale "
136 (ly:outputter-dump-stencil outputter page)
137 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
139 (define (supplies-or-needs paper load-fonts?)
140 (define (extract-names font)
141 (if (ly:pango-font? font)
142 (map car (ly:pango-font-physical-fonts font))
143 (list (munge-lily-font-name (ly:font-name font)))))
145 (let* ((fonts (ly:paper-fonts paper))
146 (names (apply append (map extract-names fonts))))
152 "%%DocumentSuppliedResources: font ~a\n"
153 "%%DocumentNeededResources: font ~a\n")
155 (uniq-list (sort names string<?))))))
157 (define (eps-header paper bbox load-fonts?)
158 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
159 "%%Creator: LilyPond\n"
161 (string-join (map ly:number->string bbox) " ") "\n"
163 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
166 (supplies-or-needs paper load-fonts?)
169 (define (page-header paper page-count load-fonts?)
170 (string-append "%!PS-Adobe-3.0\n"
171 "%%Creator: LilyPond\n"
172 "%%Pages: " (number->string page-count) "\n"
173 "%%PageOrder: Ascend\n"
175 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
178 "%%DocumentPaperSizes: "
179 (ly:output-def-lookup paper 'papersizename) "\n"
180 (supplies-or-needs paper load-fonts?)
183 (define (procset file-name)
186 "%%BeginResource: procset (~a) 1 0
190 file-name (cached-file-contents file-name))))
192 (define (setup paper)
197 (output-variables paper)
200 (define-public (munge-lily-font-name name)
201 (regexp-substitute/global #f "([eE]mmentaler|[aA]ybabtu)"
202 name 'pre "PFA" 1 'post))
204 (define (write-preamble paper load-fonts? port)
205 (define (load-fonts paper)
206 (let* ((fonts (ly:paper-fonts paper))
211 ((string? (ly:font-file-name font)) (list (ly:font-file-name font)))
212 ((ly:pango-font? font)
213 (map cdr (ly:pango-font-physical-fonts font)))
214 (else (ly:font-sub-fonts font))))
220 (sort (apply append all-font-names) string<?)))
223 (let* ((bare-file-name (ly:find-file x))
224 (cffname (string-append x ".cff.ps"))
225 (cff-file-name (ly:find-file cffname)))
229 ((and bare-file-name (string-match "\\.pfa" bare-file-name))
230 (cached-file-contents bare-file-name))
231 ((and bare-file-name (string-match "\\.pfb" bare-file-name))
232 (ly:pfb->pfa bare-file-name))
234 ((string-match "([eE]mmentaler|[Aa]ybabtu)" x)
235 (cached-file-contents
236 (format "~a.pfa" (munge-lily-font-name x))))
239 (string-match "\\.(otf|cff)" bare-file-name))
241 ; replace with the CFF.ps, which lives in a
243 (for-each (lambda (tup)
245 (string-regexp-substitute
246 (car tup) (cdr tup) bare-file-name)))
247 '(("/fonts/otf/" . "/ps/")
248 ("/fonts/cff/" . "/ps/")
249 ("\\.(otf|cff)" . ".cff.ps")))
251 (cached-file-contents bare-file-name))
252 ((and bare-file-name (string-match "\\.ttf" bare-file-name))
253 (ly:ttf->pfa bare-file-name))
254 (bare-file-name (cached-file-contents bare-file-name))
255 (cff-file-name (cached-file-contents cff-file-name))
257 (ly:warning (_ "can't find CFF/PFA/PFB font ~S" x))
259 (filter string? font-names))))
263 (for-each (lambda (f) (display f port)) (load-fonts paper)))
264 (display (setup paper) port)
266 ; adobe note 5002: should initialize variables before loading routines.
267 (display (procset "music-drawing-routines.ps") port)
268 (display (procset "lilyponddefs.ps") port)
269 (display "init-lilypond-parameters\n" port)
273 (define-public (output-framework basename book scopes fields)
274 (let* ((filename (format "~a.ps" basename))
275 (outputter (ly:make-paper-outputter filename "ps"))
276 (paper (ly:paper-book-paper book))
277 (pages (ly:paper-book-pages book))
278 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
279 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
280 (page-count (length pages))
281 (port (ly:outputter-port outputter)))
283 (output-scopes scopes fields basename)
284 (display (page-header paper page-count #t) port)
285 (write-preamble paper #t port)
289 (set! page-number (1+ page-number))
290 (dump-page outputter page page-number page-count landscape?))
293 (display "%%Trailer\n%%EOF\n" port)
294 (ly:outputter-close outputter)
295 (postprocess-output book framework-ps-module filename
296 (completize-formats (ly:output-formats)))))
298 (if (not (defined? 'nan?))
299 (define (nan? x) #f))
301 (if (not (defined? 'inf?))
302 (define (inf? x) #f))
304 (define-public (dump-stencil-as-EPS paper dump-me filename load-fonts?)
305 (define (mm-to-bp-box mmbox)
306 (let* ((scale (ly:output-def-lookup paper 'outputscale))
310 (round (* x scale mm-to-bigpoint)))) mmbox)))
312 (list (car box) (cadr box)
313 (max (1+ (car box)) (caddr box))
314 (max (1+ (cadr box)) (cadddr box)))))
316 (let* ((outputter (ly:make-paper-outputter (format "~a.eps" filename) "ps"))
317 (port (ly:outputter-port outputter))
318 (xext (ly:stencil-extent dump-me X))
319 (yext (ly:stencil-extent dump-me Y))
323 (if (or (nan? x) (inf? x))
325 (list (car xext) (car yext)
326 (cdr xext) (cdr yext))))
327 (rounded-bbox (mm-to-bp-box bbox))
328 (port (ly:outputter-port outputter))
329 (header (eps-header paper rounded-bbox load-fonts?)))
331 (display header port)
332 (write-preamble paper load-fonts? port)
333 (display "start-system { set-ps-scale-to-lily-scale \n" port)
334 (ly:outputter-dump-stencil outputter dump-me)
335 (display "} stop-system\n%%Trailer\n%%EOF\n" port)
336 (ly:outputter-close outputter)))
338 (define-public (output-preview-framework basename book scopes fields)
339 (let* ((paper (ly:paper-book-paper book))
340 (systems (ly:paper-book-systems book))
341 (scale (ly:output-def-lookup paper 'outputscale))
342 (titles (take-while ly:paper-system-title? systems))
343 (non-title (find (lambda (x)
344 (not (ly:paper-system-title? x))) systems))
346 (stack-stencils Y DOWN 0.0
347 (map ly:paper-system-stencil
348 (append titles (list non-title))))))
349 (output-scopes scopes fields basename)
350 (dump-stencil-as-EPS paper dump-me
351 (format "~a.preview" basename)
354 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
356 (define-public (convert-to-pdf book name)
357 (let* ((defs (ly:paper-book-paper book))
358 (papersizename (ly:output-def-lookup defs 'papersizename)))
360 (if (equal? (basename name ".ps") "-")
361 (ly:warning (_ "can't convert <stdout> to ~S" "PDF"))
362 (postscript->pdf (if (string? papersizename) papersizename "a4")
365 (define-public (convert-to-png book name)
366 (let* ((defs (ly:paper-book-paper book))
367 (resolution (ly:output-def-lookup defs 'pngresolution))
368 (papersizename (ly:output-def-lookup defs 'papersizename)))
370 (postscript->png (if (number? resolution) resolution
371 (ly:get-option 'resolution))
372 (if (string? papersizename) papersizename "a4")
375 (define-public (convert-to-dvi book name)
376 (ly:warning (_ "can't generate ~S using the postscript back-end") "DVI"))
378 (define-public (convert-to-tex book name)
379 (ly:warning (_ "can't generate ~S using the postscript back-end") "TeX"))
381 (define-public (convert-to-ps book name)