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-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)))
87 (map (lambda (x) (font-load-command x))
88 (filter (lambda (x) (not (ly:pango-font? x)))
91 ;; FIXME: duplicated in other output backends
92 ;; FIXME: silly interface name
93 (define (output-variables layout)
94 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
95 (define (value->string val)
97 ((string? val) (string-append "(" val ")"))
98 ((symbol? val) (symbol->string val))
99 ((number? val) (number->string val))
102 (define (output-entry ps-key ly-key)
105 (value->string (ly:output-def-lookup layout ly-key)) " def\n"))
108 "/lily-output-units "
109 (number->string mm-to-bigpoint)
110 " def %% millimeter\n"
111 (output-entry "staff-line-thickness" 'linethickness)
112 (output-entry "line-width" 'linewidth)
113 (output-entry "paper-size" 'papersizename)
114 (output-entry "staff-height" 'staffheight) ;junkme.
116 (number->string (ly:output-def-lookup layout 'outputscale))
118 (output-entry "page-height" 'vsize)
119 (output-entry "page-width" 'hsize)))
121 (define (dump-page outputter page page-number page-count landscape?)
122 (ly:outputter-dump-string outputter
125 (number->string page-number) " " (number->string page-count) "\n"
129 "page-width output-scale 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 (let* ((fonts (ly:paper-fonts paper)))
145 "%%DocumentSuppliedResources: font ~a\n"
146 "%%DocumentNeededResources: font ~a\n")
150 (define (eps-header paper bbox load-fonts?)
151 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
152 "%%Creator: creator time-stamp\n"
154 (string-join (map ly:number->string bbox) " ") "\n"
156 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
159 (supplies-or-needs paper load-fonts?)
162 (define (page-header paper page-count load-fonts?)
163 (string-append "%!PS-Adobe-3.0\n"
164 "%%Creator: creator time-stamp\n"
165 "%%Pages: " (number->string page-count) "\n"
166 "%%PageOrder: Ascend\n"
168 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
171 "%%DocumentPaperSizes: "
172 (ly:output-def-lookup paper 'papersizename) "\n"
173 (supplies-or-needs paper load-fonts?)
176 (define (procset file-name)
179 "%%BeginResource: procset (~a) 1 0
183 file-name (ly:gulp-file file-name))))
185 (define (setup paper)
190 (output-variables paper)
191 "init-lilypond-parameters\n"
194 (define (write-preamble paper load-fonts? port)
195 (define (load-fonts paper)
196 (let* ((fonts (ly:paper-fonts paper))
200 (if (string? (ly:font-file-name font))
201 (list (ly:font-file-name font))
202 (ly:font-sub-fonts font)))
207 (sort (apply append all-font-names) string<?)))
210 (let* ((bare-file-name (ly:find-file x))
211 (cffname (string-append x ".cff"))
212 (aname (string-append x ".pfa"))
213 (bname (string-append x ".pfb"))
214 (cff-file-name (ly:find-file cffname))
215 (a-file-name (ly:kpathsea-find-file aname))
216 (b-file-name (ly:kpathsea-find-file bname)))
218 (bare-file-name (if (string-match "\\.pfb" bare-file-name)
219 (ly:pfb->pfa bare-file-name)
220 (ly:gulp-file bare-file-name)))
221 (cff-file-name (ps-embed-cff (ly:gulp-file cff-file-name) x 0))
222 (a-file-name (ps-embed-pfa (ly:gulp-file a-file-name) x 0))
223 (b-file-name (ps-embed-pfa (ly:pfb->pfa b-file-name) x 0))
225 (ly:warn "cannot find CFF/PFA/PFB font ~S" x)
227 (filter string? font-names))))
231 (display (procset "music-drawing-routines.ps") port)
232 (display (procset "lilyponddefs.ps") port)
234 (for-each (lambda (f) (display f port)) (load-fonts paper)))
235 (display (setup paper) port))
237 (define-public (output-framework basename book scopes fields)
238 (let* ((filename (format "~a.ps" basename))
239 (outputter (ly:make-paper-outputter filename "ps"))
240 (paper (ly:paper-book-paper book))
241 (pages (ly:paper-book-pages book))
242 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
243 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
244 (page-count (length pages))
245 (port (ly:outputter-port outputter)))
248 (display (page-header paper page-count #t) port)
249 (write-preamble paper #t port)
253 (set! page-number (1+ page-number))
254 (dump-page outputter page page-number page-count landscape?))
257 (display "%%Trailer\n%%EOF\n" port)
258 (ly:outputter-close outputter)
259 (postprocess-output book framework-ps-module filename (ly:output-formats))
262 (if (not (defined? 'nan?))
263 (define (nan? x) #f))
264 (if (not (defined? 'inf?))
265 (define (inf? x) #f))
268 (define-public (dump-stencil-as-EPS paper dump-me filename load-fonts?)
270 ((outputter (ly:make-paper-outputter (format "~a.eps" filename)
273 (port (ly:outputter-port outputter))
274 (xext (ly:stencil-extent dump-me X))
275 (yext (ly:stencil-extent dump-me Y))
276 (scale (ly:output-def-lookup paper 'outputscale))
280 (if (or (nan? x) (inf? x))
282 (list (car xext) (car yext)
283 (cdr xext) (cdr yext))))
288 (round (* x scale mm-to-bigpoint)))) bbox))
289 (port (ly:outputter-port outputter))
290 (header (eps-header paper rounded-bbox load-fonts?)))
292 (display header port)
293 (write-preamble paper load-fonts? port)
294 (display "start-system { set-ps-scale-to-lily-scale \n" port)
295 (ly:outputter-dump-stencil outputter dump-me)
296 (display "} stop-system\n%%Trailer\n%%EOF\n" port)
297 (ly:outputter-close outputter)
301 (define-public (output-preview-framework basename book scopes fields )
302 (let* ((outputter (ly:make-paper-outputter filename
304 (paper (ly:paper-book-paper book))
305 (systems (ly:paper-book-systems book))
306 (scale (ly:output-def-lookup paper 'outputscale ))
307 (titles (take-while ly:paper-system-title? systems))
308 (non-title (find (lambda (x)
309 (not (ly:paper-system-title? x))) systems))
311 (stack-stencils Y DOWN 0.0
312 (map ly:paper-system-stencil
313 (append titles (list non-title))))))
314 (dump-stencil-as-EPS paper dump-me basename #t)))
318 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
320 (define-public (convert-to-pdf book name)
321 (let* ((defs (ly:paper-book-paper book))
322 (papersizename (ly:output-def-lookup defs 'papersizename)))
324 (if (equal? name "-")
325 (ly:warn "Can't convert <stdout> to PDF")
326 (postscript->pdf (if (string? papersizename) papersizename "a4")
329 (define-public (convert-to-png book name)
330 (let* ((defs (ly:paper-book-paper book))
331 (resolution (ly:output-def-lookup defs 'pngresolution)))
333 (postscript->png (if (number? resolution) resolution
335 (ly:get-option 'resolution))
338 (define-public (convert-to-dvi book name)
339 (ly:warn "Can not generate DVI via the postscript back-end"))
341 (define-public (convert-to-tex book name)
342 (ly:warn "Can not generate TeX via the postscript back-end"))
344 (define-public (convert-to-ps book name)