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 (use-modules (ice-9 regex)
17 (define framework-ps-module (current-module))
19 (define (stderr string . rest)
20 (apply format (cons (current-error-port) (cons string rest)))
21 (force-output (current-error-port)))
23 ;;(define pdebug stderr)
24 (define (pdebug . rest) #f)
26 (define mm-to-bigpoint
29 (define-public (ps-font-command font . override-coding)
30 (let* ((name (ly:font-file-name font))
31 (magnify (ly:font-magnification font)))
34 "magfont" (string-encode-integer (hashq name 1000000))
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-cff body font-set-name version)
45 (format "/~a ~s StartData " font-set-name (string-length body))
50 "%!PS-Adobe-3.0 Resource-FontSet
51 %%DocumentNeededResources: ProcSet (FontSetInit)
53 %%IncludeResource: ProcSet (FontSetInit)
54 %%BeginResource: FontSet (~a)
57 /FontSetInit /ProcSet findresource begin
58 %%BeginData: ~s Binary Bytes
60 font-set-name font-set-name version (string-length binary-data))
68 (define (load-fonts paper)
69 (let* ((fonts (ly:paper-fonts paper))
73 (if (string? (ly:font-file-name font))
74 (list (ly:font-file-name font))
75 (ly:font-sub-fonts font)))
80 (sort (apply append all-font-names) string<?)))
83 (let* ((bare-file-name (ly:find-file x))
84 (cffname (string-append x ".cff"))
85 (aname (string-append x ".pfa"))
86 (bname (string-append x ".pfb"))
87 (cff-file-name (ly:find-file cffname))
88 (a-file-name (ly:kpathsea-find-file aname))
89 (b-file-name (ly:kpathsea-find-file bname)))
91 (bare-file-name (if (string-match "\\.pfb" bare-file-name)
92 (ly:pfb->pfa bare-file-name)
93 (ly:gulp-file bare-file-name)))
94 (cff-file-name (ps-embed-cff (ly:gulp-file cff-file-name) x 0))
95 (a-file-name (ly:gulp-file a-file-name))
96 (b-file-name (ly:pfb->pfa b-file-name))
98 (ly:warn "cannot find CFF/PFA/PFB font ~S" x)
100 (filter string? font-names))))
102 (string-join pfas "\n")))
104 (define (define-fonts paper)
106 (define font-list (ly:paper-fonts paper))
107 (define (define-font command fontname scaling)
109 "/" command " { /" fontname " findfont "
110 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
112 (define (standard-tex-font? x)
113 (or (equal? (substring x 0 2) "ms")
114 (equal? (substring x 0 2) "cm")))
116 (define (font-load-command font)
117 (let* ((specced-font-name (ly:font-name font))
118 (fontname (if specced-font-name
120 (ly:font-file-name font)))
121 (command (ps-font-command font))
123 ;; FIXME -- see (ps-font-command )
124 (plain (ps-font-command font #f))
125 (designsize (ly:font-design-size font))
126 (magnification (* (ly:font-magnification font)))
127 (ops (ly:output-def-lookup paper 'outputscale))
128 (scaling (* ops magnification designsize)))
131 ;; Bluesky pfbs have UPCASE names (sigh.)
133 (if (standard-tex-font? fontname)
134 (set! fontname (string-upcase fontname)))
137 (define-font plain fontname scaling)))
140 (map (lambda (x) (font-load-command x))
141 (filter (lambda (x) (not (ly:pango-font? x)))
144 ;; FIXME: duplicated in other output backends
145 ;; FIXME: silly interface name
146 (define (output-variables layout)
147 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
148 (define (value->string val)
150 ((string? val) (string-append "(" val ")"))
151 ((symbol? val) (symbol->string val))
152 ((number? val) (number->string val))
155 (define (output-entry ps-key ly-key)
158 (value->string (ly:output-def-lookup layout ly-key)) " def \n"))
161 "/lily-output-units " (number->string mm-to-bigpoint) " def %% milimeter
163 (output-entry "staff-line-thickness" 'linethickness)
164 (output-entry "line-width" 'linewidth)
165 (output-entry "paper-size" 'papersizename)
166 (output-entry "staff-height" 'staffheight) ;junkme.
168 (number->string (ly:output-def-lookup layout 'outputscale))
170 (output-entry "page-height" 'vsize)
171 (output-entry "page-width" 'hsize)))
173 (define (dump-page outputter page page-number page-count landscape?)
174 (ly:outputter-dump-string outputter
177 (number->string page-number) " " (number->string page-count) "\n"
181 "page-width output-scale mul 0 translate 90 rotate\n"
186 "set-ps-scale-to-lily-scale "
188 (ly:outputter-dump-stencil outputter page)
189 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
191 (define (eps-header paper bbox)
192 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
193 "%%Creator: creator time-stamp\n"
195 (string-join (map ly:number->string bbox) " ") "\n"
197 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
202 (define (page-header paper page-count)
203 (string-append "%!PS-Adobe-3.0\n"
204 "%%Creator: creator time-stamp\n"
205 "%%Pages: " (number->string page-count) "\n"
206 "%%PageOrder: Ascend\n"
208 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
211 "%%DocumentPaperSizes: "
212 (ly:output-def-lookup paper 'papersizename) "\n"))
214 (define (preamble paper)
216 (output-variables paper)
217 (ly:gulp-file "music-drawing-routines.ps")
218 (ly:gulp-file "lilyponddefs.ps")
220 (define-fonts paper)))
225 (define-public (output-framework basename book scopes fields )
226 (let* ((filename (format "~a.ps" basename))
227 (outputter (ly:make-paper-outputter filename
228 (ly:output-backend)))
229 (paper (ly:paper-book-paper book))
230 (pages (ly:paper-book-pages book))
231 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
232 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
233 (page-count (length pages)))
237 (ly:outputter-dump-string outputter x))
239 (page-header paper page-count)
244 (set! page-number (1+ page-number))
245 (dump-page outputter page page-number page-count landscape?))
248 (ly:outputter-dump-string outputter "%%Trailer\n%%EOF\n")
249 (ly:outputter-close outputter)
250 (postprocess-output book framework-ps-module filename (ly:output-formats))
253 (define-public (output-preview-framework basename book scopes fields )
254 (let* ((filename (format "~a.ps" basename))
255 (outputter (ly:make-paper-outputter filename
256 (ly:output-backend)))
257 (paper (ly:paper-book-paper book))
258 (systems (ly:paper-book-systems book))
259 (scale (ly:output-def-lookup paper 'outputscale ))
260 (titles (take-while ly:paper-system-title? systems))
261 (non-title (find (lambda (x)
262 (not (ly:paper-system-title? x))) systems))
264 (stack-stencils Y DOWN 0.0
265 (map ly:paper-system-stencil
266 (append titles (list non-title)))))
267 (xext (ly:stencil-extent dump-me X))
268 (yext (ly:stencil-extent dump-me Y))
272 (if (or (nan? x) (inf? x))
274 (list (car xext) (car yext)
275 (cdr xext) (cdr yext))) ))
279 (ly:outputter-dump-string outputter x))
285 (round (* x scale mm-to-bigpoint))))
290 (ly:outputter-dump-string outputter
291 (string-append "start-system { "
292 "set-ps-scale-to-lily-scale "
295 (ly:outputter-dump-stencil outputter dump-me)
296 (ly:outputter-dump-string outputter "} stop-system\n%%Trailer\n%%EOF\n")
297 (ly:outputter-close outputter)
298 (postprocess-output book framework-ps-module filename
303 (define-public (output-classic-framework
304 basename book scopes fields)
305 (let* ((paper (ly:paper-book-paper book))
306 (lines (ly:paper-book-systems book))
307 (last-line (car (last-pair lines))))
310 (ly:outputter-dump-string outputter x))
313 (header paper (length lines) #f)
314 "\\def\\lilypondclassic{1}%\n"
315 (output-scopes scopes fields basename)
320 (lambda (line) (dump-line outputter line (eq? line last-line))) lines)
321 (ly:outputter-dump-string outputter "\\lilypondend\n")
322 (ly:outputter-close outputter)
323 (postprocess-output book framework-ps-module filename (ly:output-formats))
326 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
328 (define-public (convert-to-pdf book name)
329 (let* ((defs (ly:paper-book-paper book))
330 (papersizename (ly:output-def-lookup defs 'papersizename)))
332 (if (equal? name "-")
333 (ly:warn "Can't convert <stdout> to PDF")
334 (postscript->pdf (if (string? papersizename) papersizename "a4")
337 (define-public (convert-to-png book name)
338 (let* ((defs (ly:paper-book-paper book))
339 (resolution (ly:output-def-lookup defs 'pngresolution)))
341 (postscript->png (if (number? resolution) resolution
343 (ly:get-option 'resolution))
346 (define-public (convert-to-dvi book name)
347 (ly:warn "Can not generate DVI via the postscript back-end"))
349 (define-public (convert-to-tex book name)
350 (ly:warn "Can not generate TeX via the postscript back-end"))
352 (define-public (convert-to-ps book name)