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 . 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-pfa body font-name version)
47 "%%BeginResource: font ~a
53 (define (define-fonts paper)
54 (define font-list (ly:paper-fonts paper))
55 (define (define-font command fontname scaling)
57 "/" command " { /" fontname " findfont "
58 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
60 (define (standard-tex-font? x)
61 (or (equal? (substring x 0 2) "ms")
62 (equal? (substring x 0 2) "cm")))
64 (define (font-load-command font)
65 (let* ((specced-font-name (ly:font-name font))
66 (fontname (if specced-font-name
68 (ly:font-file-name font)))
69 (command (ps-font-command font))
71 ;; FIXME -- see (ps-font-command )
72 (plain (ps-font-command font #f))
73 (designsize (ly:font-design-size font))
74 (magnification (* (ly:font-magnification font)))
75 (ops (ly:output-def-lookup paper 'outputscale))
76 (scaling (* ops magnification designsize)))
78 ;; Bluesky pfbs have UPCASE names (sigh.)
79 ;; FIXME - don't support Bluesky?
80 (if (standard-tex-font? fontname)
81 (set! fontname (string-upcase fontname)))
82 (if (equal? fontname "unknown")
83 (display (list font fontname)))
84 (define-font plain fontname scaling)))
88 (map (lambda (x) (font-load-command x))
89 (filter (lambda (x) (not (ly:pango-font? x)))
92 ;; FIXME: duplicated in other output backends
93 ;; FIXME: silly interface name
94 (define (output-variables layout)
95 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
96 (define (value->string val)
98 ((string? val) (string-append "(" val ")"))
99 ((symbol? val) (symbol->string val))
100 ((number? val) (number->string val))
103 (define (output-entry ps-key ly-key)
106 (value->string (ly:output-def-lookup layout ly-key)) " def\n"))
109 "/lily-output-units "
110 (number->string mm-to-bigpoint)
111 " def %% millimeter\n"
112 (output-entry "staff-line-thickness" 'linethickness)
113 (output-entry "line-width" 'linewidth)
114 (output-entry "paper-size" 'papersizename)
115 (output-entry "staff-height" 'staffheight) ;junkme.
117 (number->string (ly:output-def-lookup layout 'outputscale))
119 (output-entry "page-height" 'vsize)
120 (output-entry "page-width" 'hsize)))
122 (define (dump-page outputter page page-number page-count landscape?)
123 (ly:outputter-dump-string outputter
126 (number->string page-number) " " (number->string page-count) "\n"
130 "page-width output-scale
131 lily-output-units mul
132 mul 0 translate 90 rotate\n"
137 "set-ps-scale-to-lily-scale "
139 (ly:outputter-dump-stencil outputter page)
140 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
143 (define (supplies-or-needs paper load-fonts?)
144 (define (extract-names font)
145 (if (ly:pango-font? font)
146 (map car (ly:pango-font-physical-fonts font))
147 (list (ly:font-name font))))
149 (let* ((fonts (ly:paper-fonts paper))
150 (names (apply append (map extract-names fonts)))
157 "%%DocumentSuppliedResources: font ~a\n"
158 "%%DocumentNeededResources: font ~a\n")
160 (uniq-list (sort names string<?))))))
162 (define (eps-header paper bbox load-fonts?)
163 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
164 "%%Creator: LilyPond\n"
166 (string-join (map ly:number->string bbox) " ") "\n"
168 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
171 (supplies-or-needs paper load-fonts?)
174 (define (page-header paper page-count load-fonts?)
175 (string-append "%!PS-Adobe-3.0\n"
176 "%%Creator: LilyPond\n"
177 "%%Pages: " (number->string page-count) "\n"
178 "%%PageOrder: Ascend\n"
180 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
183 "%%DocumentPaperSizes: "
184 (ly:output-def-lookup paper 'papersizename) "\n"
185 (supplies-or-needs paper load-fonts?)
188 (define (procset file-name)
191 "%%BeginResource: procset (~a) 1 0
195 file-name (cached-file-contents file-name))))
197 (define (setup paper)
202 (output-variables paper)
203 "init-lilypond-parameters\n"
206 (define (write-preamble paper load-fonts? port)
207 (define (load-fonts paper)
208 (let* ((fonts (ly:paper-fonts paper))
213 ((string? (ly:font-file-name font)) (list (ly:font-file-name font)))
214 ((ly:pango-font? font)
215 (map cdr (ly:pango-font-physical-fonts font)))
216 (else (ly:font-sub-fonts font))))
222 (sort (apply append all-font-names) string<?)))
225 (let* ((bare-file-name (ly:find-file x))
226 (cffname (string-append x ".cff.ps"))
227 (cff-file-name (ly:find-file cffname))
230 ((and bare-file-name (string-match "\\.pfa" bare-file-name))
231 (cached-file-contents bare-file-name))
232 ((and bare-file-name (string-match "\\.pfb" bare-file-name))
233 (ly:pfb->pfa bare-file-name))
235 (string-match "\\.(otf|cff)" bare-file-name))
237 (cached-file-contents (string-regexp-substitute "(otf|cff)" "cff.ps" bare-file-name)))
238 ((and bare-file-name (string-match "\\.ttf" bare-file-name))
239 (ly:ttf->pfa bare-file-name))
240 (bare-file-name (cached-file-contents bare-file-name))
241 (cff-file-name (cached-file-contents cff-file-name))
243 (ly:warn "cannot find CFF/PFA/PFB font ~S" x)
245 (filter string? font-names))))
248 (display (procset "music-drawing-routines.ps") port)
249 (display (procset "lilyponddefs.ps") port)
251 (for-each (lambda (f) (display f port)) (load-fonts paper)))
252 (display (setup paper) port))
254 (define-public (output-framework basename book scopes fields)
255 (let* ((filename (format "~a.ps" basename))
256 (outputter (ly:make-paper-outputter filename "ps"))
257 (paper (ly:paper-book-paper book))
258 (pages (ly:paper-book-pages book))
259 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
260 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
261 (page-count (length pages))
262 (port (ly:outputter-port outputter)))
265 (display (page-header paper page-count #t) port)
266 (write-preamble paper #t port)
270 (set! page-number (1+ page-number))
271 (dump-page outputter page page-number page-count landscape?))
274 (display "%%Trailer\n%%EOF\n" port)
275 (ly:outputter-close outputter)
276 (postprocess-output book framework-ps-module filename (ly:output-formats))
279 (if (not (defined? 'nan?))
280 (define (nan? x) #f))
281 (if (not (defined? 'inf?))
282 (define (inf? x) #f))
285 (define-public (dump-stencil-as-EPS paper dump-me filename load-fonts?)
286 (define (mm-to-bp-box mmbox)
288 ((scale (ly:output-def-lookup paper 'outputscale))
292 (round (* x scale mm-to-bigpoint)))) mmbox)))
294 (list (car box) (cadr box)
295 (max (1+ (car box)) (caddr box))
296 (max (1+ (cadr box)) (cadddr box)))))
299 ((outputter (ly:make-paper-outputter (format "~a.eps" filename)
302 (port (ly:outputter-port outputter))
303 (xext (ly:stencil-extent dump-me X))
304 (yext (ly:stencil-extent dump-me Y))
309 (if (or (nan? x) (inf? x))
311 (list (car xext) (car yext)
312 (cdr xext) (cdr yext))))
313 (rounded-bbox (mm-to-bp-box bbox))
314 (port (ly:outputter-port outputter))
315 (header (eps-header paper rounded-bbox load-fonts?)))
317 (display header port)
318 (write-preamble paper load-fonts? port)
319 (display "start-system { set-ps-scale-to-lily-scale \n" port)
320 (ly:outputter-dump-stencil outputter dump-me)
321 (display "} stop-system\n%%Trailer\n%%EOF\n" port)
322 (ly:outputter-close outputter)
326 (define-public (output-preview-framework basename book scopes fields )
327 (let* ((paper (ly:paper-book-paper book))
328 (systems (ly:paper-book-systems book))
329 (scale (ly:output-def-lookup paper 'outputscale))
330 (titles (take-while ly:paper-system-title? systems))
331 (non-title (find (lambda (x)
332 (not (ly:paper-system-title? x))) systems))
334 (stack-stencils Y DOWN 0.0
335 (map ly:paper-system-stencil
336 (append titles (list non-title))))))
337 (dump-stencil-as-EPS paper dump-me
338 (format "~a.preview" basename)
343 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
345 (define-public (convert-to-pdf book name)
346 (let* ((defs (ly:paper-book-paper book))
347 (papersizename (ly:output-def-lookup defs 'papersizename)))
349 (if (equal? name "-")
350 (ly:warn "Can't convert <stdout> to PDF")
351 (postscript->pdf (if (string? papersizename) papersizename "a4")
354 (define-public (convert-to-png book name)
355 (let* ((defs (ly:paper-book-paper book))
356 (resolution (ly:output-def-lookup defs 'pngresolution)))
358 (postscript->png (if (number? resolution) resolution
360 (ly:get-option 'resolution))
363 (define-public (convert-to-dvi book name)
364 (ly:warn "Can not generate DVI via the postscript back-end"))
366 (define-public (convert-to-tex book name)
367 (ly:warn "Can not generate TeX via the postscript back-end"))
369 (define-public (convert-to-ps book name)