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 (stderr string . rest)
18 (apply format (cons (current-error-port) (cons string rest)))
19 (force-output (current-error-port)))
21 ;;(define pdebug stderr)
22 (define (pdebug . rest) #f)
24 (define mm-to-bigpoint
27 (define-public (ps-font-command font . override-coding)
28 (let* ((name (ly:font-file-name font))
29 (magnify (ly:font-magnification font)))
32 "magfont" (string-encode-integer (hashq name 1000000))
33 "m" (string-encode-integer (inexact->exact (round (* 1000 magnify))))
36 (define (tex-font? fontname)
38 (equal? (substring fontname 0 2) "cm")
39 (equal? (substring fontname 0 2) "ec")))
41 (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)
71 (define (load-fonts paper)
72 (let* ((fonts (ly:paper-fonts paper))
76 (if (string? (ly:font-file-name font))
77 (list (ly:font-file-name font))
78 (ly:font-sub-fonts font)))
83 (sort (apply append all-font-names) string<?)))
86 (let* ((bare-file-name (ly:find-file x))
87 (cffname (string-append x ".cff"))
88 (aname (string-append x ".pfa"))
89 (bname (string-append x ".pfb"))
90 (cff-file-name (ly:find-file cffname))
91 (a-file-name (ly:kpathsea-find-file aname))
92 (b-file-name (ly:kpathsea-find-file bname)))
94 (bare-file-name (if (string-match "\\.pfb" bare-file-name)
95 (ly:pfb->pfa bare-file-name)
96 (ly:gulp-file bare-file-name)))
97 (cff-file-name (ps-embed-cff (ly:gulp-file cff-file-name) x 0))
98 (a-file-name (ly:gulp-file a-file-name))
99 (b-file-name (ly:pfb->pfa b-file-name))
101 (ly:warn "cannot find CFF/PFA/PFB font ~S" x)
103 (filter string? font-names))))
105 (string-join pfas "\n")))
107 (define (define-fonts paper)
109 (define font-list (ly:paper-fonts paper))
110 (define (define-font command fontname scaling)
112 "/" command " { /" fontname " findfont "
113 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
115 (define (standard-tex-font? x)
116 (or (equal? (substring x 0 2) "ms")
117 (equal? (substring x 0 2) "cm")))
119 (define (font-load-command font)
120 (let* ((specced-font-name (ly:font-name font))
121 (fontname (if specced-font-name
123 (ly:font-file-name font)))
124 (command (ps-font-command font))
126 ;; FIXME -- see (ps-font-command )
127 (plain (ps-font-command font #f))
128 (designsize (ly:font-design-size font))
129 (magnification (* (ly:font-magnification font)))
130 (ops (ly:output-def-lookup paper 'outputscale))
131 (scaling (* ops magnification designsize)))
134 ;; Bluesky pfbs have UPCASE names (sigh.)
136 (if (standard-tex-font? fontname)
137 (set! fontname (string-upcase fontname)))
140 (define-font plain fontname scaling)))
143 (map (lambda (x) (font-load-command x))
144 (filter (lambda (x) (not (ly:pango-font? x)))
147 ;; FIXME: duplicated in other output backends
148 ;; FIXME: silly interface name
149 (define (output-variables layout)
150 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
151 (define (value->string val)
153 ((string? val) (string-append "(" val ")"))
154 ((symbol? val) (symbol->string val))
155 ((number? val) (number->string val))
158 (define (output-entry ps-key ly-key)
161 (value->string (ly:output-def-lookup layout ly-key)) " def \n"))
164 "/lily-output-units " (number->string mm-to-bigpoint) " def %% milimeter \n"
165 (output-entry "staff-line-thickness" 'linethickness)
166 (output-entry "line-width" 'linewidth)
167 (output-entry "paper-size" 'papersizename)
168 (output-entry "staff-height" 'staffheight) ;junkme.
170 (number->string (ly:output-def-lookup layout 'outputscale))
171 " lily-output-units mul def \n"
172 (output-entry "page-height" 'vsize)
173 (output-entry "page-width" 'hsize)
176 (define (dump-page outputter page page-number page-count landscape?)
177 (ly:outputter-dump-string outputter
180 (number->string page-number) " " (number->string page-count) "\n"
184 "page-width output-scale mul 0 translate 90 rotate\n"
189 "set-ps-scale-to-lily-scale "
191 (ly:outputter-dump-stencil outputter page)
192 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
194 (define (eps-header paper bbox)
195 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
196 "%%Creator: creator time-stamp\n"
198 (string-join (map ly:number->string bbox) " ") "\n"
200 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
205 (define (page-header paper page-count)
206 (string-append "%!PS-Adobe-3.0\n"
207 "%%Creator: creator time-stamp\n"
208 "%%Pages: " (number->string page-count) "\n"
209 "%%PageOrder: Ascend\n"
211 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
214 "%%DocumentPaperSizes: "
215 (ly:output-def-lookup paper 'papersizename) "\n"))
217 (define (preamble paper)
219 (output-variables paper)
220 (ly:gulp-file "music-drawing-routines.ps")
221 (ly:gulp-file "lilyponddefs.ps")
223 (define-fonts paper)))
225 (define-public (output-framework outputter book scopes fields basename)
226 (let* ((paper (ly:paper-book-paper book))
227 (pages (ly:paper-book-pages book))
228 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
229 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
230 (page-count (length pages)))
234 (ly:outputter-dump-string outputter x))
236 (page-header paper page-count)
241 (set! page-number (1+ page-number))
242 (dump-page outputter page page-number page-count landscape?))
245 (ly:outputter-dump-string outputter "%%Trailer\n%%EOF\n")))
247 (define-public (output-preview-framework outputter book scopes fields basename)
248 (let* ((paper (ly:paper-book-paper book))
249 (systems (ly:paper-book-systems book))
250 (scale (ly:output-def-lookup paper 'outputscale ))
251 (titles (take-while ly:paper-system-title? systems))
252 (non-title (find (lambda (x)
253 (not (ly:paper-system-title? x))) systems))
255 (stack-stencils Y DOWN 0.0
256 (map ly:paper-system-stencil
257 (append titles (list non-title)))))
258 (xext (ly:stencil-extent dump-me X))
259 (yext (ly:stencil-extent dump-me Y))
263 (if (or (nan? x) (inf? x))
265 (list (car xext) (car yext)
266 (cdr xext) (cdr yext)))
271 (ly:outputter-dump-string outputter x))
277 (round (* x scale mm-to-bigpoint))))
282 (ly:outputter-dump-string outputter
283 (string-append "start-system { "
284 "set-ps-scale-to-lily-scale "
287 (ly:outputter-dump-stencil outputter dump-me)
288 (ly:outputter-dump-string outputter "} stop-system\n%%Trailer\n%%EOF\n")))
290 (define-public (convert-to-pdf book name)
291 (let* ((defs (ly:paper-book-paper book))
292 (papersizename (ly:output-def-lookup defs 'papersizename)))
294 (if (equal? name "-")
295 (ly:warn "Can't convert <stdout> to PDF")
296 (postscript->pdf (if (string? papersizename) papersizename "a4")
299 (define-public (convert-to-png book name)
300 (let* ((defs (ly:paper-book-paper book))
301 (resolution (ly:output-def-lookup defs 'pngresolution)))
303 (postscript->png (if (number? resolution) resolution
305 (ly:get-option 'resolution))
308 (define-public (convert-to-dvi book name)
309 (ly:warn "Can not generate DVI via the postscript back-end"))
311 (define-public (convert-to-tex book name)
312 (ly:warn "Can not generate TeX via the postscript back-end"))
314 (define-public (convert-to-ps book name)