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 (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)
32 (let* ((name (munge-lily-font-name (ly:font-file-name font)))
33 (magnify (ly:font-magnification font)))
40 "magfont" (string-encode-integer (string-hash name 1000000))
41 "m" (string-encode-integer (inexact->exact (round (* 1000 magnify)))))))
43 (define (tex-font? fontname)
45 (equal? (substring fontname 0 2) "cm")
46 (equal? (substring fontname 0 2) "ec")))
48 (define (ps-embed-pfa body font-name version)
51 "%%BeginResource: font ~a
57 (define (define-fonts paper)
58 (define font-list (ly:paper-fonts paper))
59 (define (define-font command fontname scaling)
61 "/" command " { /" fontname " findfont "
62 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
64 (define (standard-tex-font? x)
65 (or (equal? (substring x 0 2) "ms")
66 (equal? (substring x 0 2) "cm")))
68 (define (font-load-command font)
69 (let* ((specced-font-name (ly:font-name font))
70 (fontname (if specced-font-name
71 (munge-lily-font-name specced-font-name)
72 (ly:font-file-name font)))
73 (command (ps-font-command font))
75 ;; FIXME -- see (ps-font-command )
76 (plain (ps-font-command font))
77 (designsize (ly:font-design-size font))
78 (magnification (* (ly:font-magnification font)))
79 (ops (ly:output-def-lookup paper 'outputscale))
80 (scaling (* ops magnification designsize)))
82 ;; Bluesky pfbs have UPCASE names (sigh.)
83 ;; FIXME - don't support Bluesky?
84 (if (standard-tex-font? fontname)
85 (set! fontname (string-upcase fontname)))
86 (if (equal? fontname "unknown")
87 (display (list font fontname)))
88 (define-font plain fontname scaling)))
92 (map (lambda (x) (font-load-command x))
93 (filter (lambda (x) (not (ly:pango-font? x)))
96 ;; FIXME: duplicated in other output backends
97 ;; FIXME: silly interface name
98 (define (output-variables layout)
99 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
100 (define (value->string val)
102 ((string? val) (string-append "(" val ")"))
103 ((symbol? val) (symbol->string val))
104 ((number? val) (number->string val))
107 (define (output-entry ps-key ly-key)
110 (value->string (ly:output-def-lookup layout ly-key)) " def\n"))
113 "/lily-output-units "
114 (number->string mm-to-bigpoint)
115 " def %% millimeter\n"
116 (output-entry "staff-line-thickness" 'linethickness)
117 (output-entry "line-width" 'linewidth)
118 (output-entry "paper-size" 'papersizename)
119 (output-entry "staff-height" 'staffheight) ;junkme.
121 (number->string (ly:output-def-lookup layout 'outputscale))
123 (output-entry "page-height" 'vsize)
124 (output-entry "page-width" 'hsize)))
126 (define (dump-page outputter page page-number page-count landscape?)
127 (ly:outputter-dump-string outputter
130 (number->string page-number) " " (number->string page-count) "\n"
134 "page-width output-scale
135 lily-output-units mul
136 mul 0 translate 90 rotate\n"
141 "set-ps-scale-to-lily-scale "
143 (ly:outputter-dump-stencil outputter page)
144 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
147 (define (supplies-or-needs paper load-fonts?)
148 (define (extract-names font)
149 (if (ly:pango-font? font)
150 (map car (ly:pango-font-physical-fonts font))
151 (list (munge-lily-font-name (ly:font-name font)))))
153 (let* ((fonts (ly:paper-fonts paper))
154 (names (apply append (map extract-names fonts)))
161 "%%DocumentSuppliedResources: font ~a\n"
162 "%%DocumentNeededResources: font ~a\n")
164 (uniq-list (sort names string<?))))))
166 (define (eps-header paper bbox load-fonts?)
167 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
168 "%%Creator: LilyPond\n"
170 (string-join (map ly:number->string bbox) " ") "\n"
172 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
175 (supplies-or-needs paper load-fonts?)
178 (define (page-header paper page-count load-fonts?)
179 (string-append "%!PS-Adobe-3.0\n"
180 "%%Creator: LilyPond\n"
181 "%%Pages: " (number->string page-count) "\n"
182 "%%PageOrder: Ascend\n"
184 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
187 "%%DocumentPaperSizes: "
188 (ly:output-def-lookup paper 'papersizename) "\n"
189 (supplies-or-needs paper load-fonts?)
192 (define (procset file-name)
195 "%%BeginResource: procset (~a) 1 0
199 file-name (cached-file-contents file-name))))
201 (define (setup paper)
206 (output-variables paper)
207 "init-lilypond-parameters\n"
210 (define-public (munge-lily-font-name name)
211 (regexp-substitute/global #f "([eE]mmentaler|[aA]ybabtu)" name 'pre "PFA" 1 'post))
213 (define (write-preamble paper load-fonts? port)
214 (define (load-fonts paper)
215 (let* ((fonts (ly:paper-fonts paper))
220 ((string? (ly:font-file-name font)) (list (ly:font-file-name font)))
221 ((ly:pango-font? font)
222 (map cdr (ly:pango-font-physical-fonts font)))
223 (else (ly:font-sub-fonts font))))
229 (sort (apply append all-font-names) string<?)))
232 (let* ((bare-file-name (ly:find-file x))
233 (cffname (string-append x ".cff.ps"))
234 (cff-file-name (ly:find-file cffname))
239 ((and bare-file-name (string-match "\\.pfa" bare-file-name))
240 (cached-file-contents bare-file-name))
241 ((and bare-file-name (string-match "\\.pfb" bare-file-name))
242 (ly:pfb->pfa bare-file-name))
244 ((string-match "([eE]mmentaler|[Aa]ybabtu)" x)
245 (cached-file-contents
246 (format "~a.pfa" (munge-lily-font-name x))))
249 (string-match "\\.(otf|cff)" bare-file-name))
251 ; replace with the CFF.ps, which lives in a
253 (for-each (lambda (tup) (set! bare-file-name
254 (string-regexp-substitute (car tup) (cdr tup) bare-file-name)))
255 '(("/fonts/otf/" . "/ps/")
256 ("/fonts/cff/" . "/ps/")
257 ("\\.(otf|cff)" . ".cff.ps")))
259 (cached-file-contents bare-file-name))
260 ((and bare-file-name (string-match "\\.ttf" bare-file-name))
261 (ly:ttf->pfa bare-file-name))
262 (bare-file-name (cached-file-contents bare-file-name))
263 (cff-file-name (cached-file-contents cff-file-name))
265 (ly:warn "cannot find CFF/PFA/PFB font ~S" x)
267 (filter string? font-names))))
270 (display (procset "music-drawing-routines.ps") port)
271 (display (procset "lilyponddefs.ps") port)
273 (for-each (lambda (f) (display f port)) (load-fonts paper)))
274 (display (setup paper) port))
276 (define-public (output-framework basename book scopes fields)
277 (let* ((filename (format "~a.ps" basename))
278 (outputter (ly:make-paper-outputter filename "ps"))
279 (paper (ly:paper-book-paper book))
280 (pages (ly:paper-book-pages book))
281 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
282 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
283 (page-count (length pages))
284 (port (ly:outputter-port outputter)))
286 (output-scopes scopes fields basename)
287 (display (page-header paper page-count #t) port)
288 (write-preamble paper #t port)
292 (set! page-number (1+ page-number))
293 (dump-page outputter page page-number page-count landscape?))
296 (display "%%Trailer\n%%EOF\n" port)
297 (ly:outputter-close outputter)
298 (postprocess-output book framework-ps-module filename
299 (completize-formats (ly:output-formats)))
302 (if (not (defined? 'nan?))
303 (define (nan? x) #f))
304 (if (not (defined? 'inf?))
305 (define (inf? x) #f))
308 (define-public (dump-stencil-as-EPS paper dump-me filename load-fonts?)
309 (define (mm-to-bp-box mmbox)
311 ((scale (ly:output-def-lookup paper 'outputscale))
315 (round (* x scale mm-to-bigpoint)))) mmbox)))
317 (list (car box) (cadr box)
318 (max (1+ (car box)) (caddr box))
319 (max (1+ (cadr box)) (cadddr box)))))
322 ((outputter (ly:make-paper-outputter (format "~a.eps" filename)
325 (port (ly:outputter-port outputter))
326 (xext (ly:stencil-extent dump-me X))
327 (yext (ly:stencil-extent dump-me Y))
332 (if (or (nan? x) (inf? x))
334 (list (car xext) (car yext)
335 (cdr xext) (cdr yext))))
336 (rounded-bbox (mm-to-bp-box bbox))
337 (port (ly:outputter-port outputter))
338 (header (eps-header paper rounded-bbox load-fonts?)))
340 (display header port)
341 (write-preamble paper load-fonts? port)
342 (display "start-system { set-ps-scale-to-lily-scale \n" port)
343 (ly:outputter-dump-stencil outputter dump-me)
344 (display "} stop-system\n%%Trailer\n%%EOF\n" port)
345 (ly:outputter-close outputter)
349 (define-public (output-preview-framework basename book scopes fields)
350 (let* ((paper (ly:paper-book-paper book))
351 (systems (ly:paper-book-systems book))
352 (scale (ly:output-def-lookup paper 'outputscale))
353 (titles (take-while ly:paper-system-title? systems))
354 (non-title (find (lambda (x)
355 (not (ly:paper-system-title? x))) systems))
357 (stack-stencils Y DOWN 0.0
358 (map ly:paper-system-stencil
359 (append titles (list non-title))))))
360 (output-scopes scopes fields basename)
361 (dump-stencil-as-EPS paper dump-me
362 (format "~a.preview" basename)
367 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
369 (define-public (convert-to-pdf book name)
370 (let* ((defs (ly:paper-book-paper book))
371 (papersizename (ly:output-def-lookup defs 'papersizename)))
373 (if (equal? name "-")
374 (ly:warn "Can't convert <stdout> to PDF")
375 (postscript->pdf (if (string? papersizename) papersizename "a4")
378 (define-public (convert-to-png book name)
379 (let* ((defs (ly:paper-book-paper book))
380 (resolution (ly:output-def-lookup defs 'pngresolution))
381 (papersizename (ly:output-def-lookup defs 'papersizename)))
383 (postscript->png (if (number? resolution) resolution
384 (ly:get-option 'resolution))
385 (if (string? papersizename) papersizename "a4")
388 (define-public (convert-to-dvi book name)
389 (ly:warn "Can not generate DVI via the postscript back-end"))
391 (define-public (convert-to-tex book name)
392 (ly:warn "Can not generate TeX via the postscript back-end"))
394 (define-public (convert-to-ps book name)