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)))))))
35 (define (tex-font? fontname)
37 (equal? (substring fontname 0 2) "cm")
38 (equal? (substring fontname 0 2) "ec")))
40 (define (ps-embed-cff body font-set-name version)
43 (format "/~a ~s StartData " font-set-name (string-length body))
48 "%!PS-Adobe-3.0 Resource-FontSet
49 %%DocumentNeededResources: ProcSet (FontSetInit)
51 %%IncludeResource: ProcSet (FontSetInit)
52 %%BeginResource: FontSet (~a)
55 /FontSetInit /ProcSet findresource begin
56 %%BeginData: ~s Binary Bytes
58 font-set-name font-set-name version (string-length binary-data))
66 (define (load-fonts paper)
67 (let* ((fonts (ly:paper-fonts paper))
71 (if (string? (ly:font-file-name font))
72 (list (ly:font-file-name font))
73 (ly:font-sub-fonts font)))
78 (sort (apply append all-font-names) string<?)))
81 (let* ((bare-file-name (ly:find-file x))
82 (cffname (string-append x ".cff"))
83 (aname (string-append x ".pfa"))
84 (bname (string-append x ".pfb"))
85 (cff-file-name (ly:find-file cffname))
86 (a-file-name (ly:kpathsea-find-file aname))
87 (b-file-name (ly:kpathsea-find-file bname)))
89 (bare-file-name (if (string-match "\\.pfb" bare-file-name)
90 (ly:pfb->pfa bare-file-name)
91 (ly:gulp-file bare-file-name)))
92 (cff-file-name (ps-embed-cff (ly:gulp-file cff-file-name) x 0))
93 (a-file-name (ly:gulp-file a-file-name))
94 (b-file-name (ly:pfb->pfa b-file-name))
96 (ly:warn "cannot find CFF/PFA/PFB font ~S" x)
98 (filter string? font-names))))
100 (string-join pfas "\n")))
102 (define (define-fonts paper)
104 (define font-list (ly:paper-fonts paper))
105 (define (define-font command fontname scaling)
107 "/" command " { /" fontname " findfont "
108 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
110 (define (standard-tex-font? x)
111 (or (equal? (substring x 0 2) "ms")
112 (equal? (substring x 0 2) "cm")))
114 (define (font-load-command font)
115 (let* ((specced-font-name (ly:font-name font))
116 (fontname (if specced-font-name
118 (ly:font-file-name font)))
119 (command (ps-font-command font))
121 ;; FIXME -- see (ps-font-command )
122 (plain (ps-font-command font #f))
123 (designsize (ly:font-design-size font))
124 (magnification (* (ly:font-magnification font)))
125 (ops (ly:output-def-lookup paper 'outputscale))
126 (scaling (* ops magnification designsize)))
129 ;; Bluesky pfbs have UPCASE names (sigh.)
131 (if (standard-tex-font? fontname)
132 (set! fontname (string-upcase fontname)))
135 (define-font plain fontname scaling)))
138 (map (lambda (x) (font-load-command x))
139 (filter (lambda (x) (not (ly:pango-font? x)))
142 ;; FIXME: duplicated in other output backends
143 ;; FIXME: silly interface name
144 (define (output-variables layout)
145 ;; FIXME: duplicates output-layout's scope-entry->string, mostly
146 (define (value->string val)
148 ((string? val) (string-append "(" val ")"))
149 ((symbol? val) (symbol->string val))
150 ((number? val) (number->string val))
153 (define (output-entry ps-key ly-key)
156 (value->string (ly:output-def-lookup layout ly-key)) " def \n"))
159 "/lily-output-units " (number->string mm-to-bigpoint) " def %% milimeter
161 (output-entry "staff-line-thickness" 'linethickness)
162 (output-entry "line-width" 'linewidth)
163 (output-entry "paper-size" 'papersizename)
164 (output-entry "staff-height" 'staffheight) ;junkme.
166 (number->string (ly:output-def-lookup layout 'outputscale))
168 (output-entry "page-height" 'vsize)
169 (output-entry "page-width" 'hsize)))
171 (define (dump-page outputter page page-number page-count landscape?)
172 (ly:outputter-dump-string outputter
175 (number->string page-number) " " (number->string page-count) "\n"
179 "page-width output-scale mul 0 translate 90 rotate\n"
184 "set-ps-scale-to-lily-scale "
186 (ly:outputter-dump-stencil outputter page)
187 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
189 (define (eps-header paper bbox)
190 (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
191 "%%Creator: creator time-stamp\n"
193 (string-join (map ly:number->string bbox) " ") "\n"
195 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
200 (define (page-header paper page-count)
201 (string-append "%!PS-Adobe-3.0\n"
202 "%%Creator: creator time-stamp\n"
203 "%%Pages: " (number->string page-count) "\n"
204 "%%PageOrder: Ascend\n"
206 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
209 "%%DocumentPaperSizes: "
210 (ly:output-def-lookup paper 'papersizename) "\n"))
212 (define (preamble paper)
214 (output-variables paper)
215 (ly:gulp-file "music-drawing-routines.ps")
216 (ly:gulp-file "lilyponddefs.ps")
218 (define-fonts paper)))
220 (define-public (output-framework outputter book scopes fields basename)
221 (let* ((paper (ly:paper-book-paper book))
222 (pages (ly:paper-book-pages book))
223 (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
224 (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
225 (page-count (length pages)))
229 (ly:outputter-dump-string outputter x))
231 (page-header paper page-count)
236 (set! page-number (1+ page-number))
237 (dump-page outputter page page-number page-count landscape?))
240 (ly:outputter-dump-string outputter "%%Trailer\n%%EOF\n")))
242 (define-public (output-preview-framework outputter book scopes fields basename)
243 (let* ((paper (ly:paper-book-paper book))
244 (systems (ly:paper-book-systems book))
245 (scale (ly:output-def-lookup paper 'outputscale ))
246 (titles (take-while ly:paper-system-title? systems))
247 (non-title (find (lambda (x)
248 (not (ly:paper-system-title? x))) systems))
250 (stack-stencils Y DOWN 0.0
251 (map ly:paper-system-stencil
252 (append titles (list non-title)))))
253 (xext (ly:stencil-extent dump-me X))
254 (yext (ly:stencil-extent dump-me Y))
258 (if (or (nan? x) (inf? x))
260 (list (car xext) (car yext)
261 (cdr xext) (cdr yext))) ))
265 (ly:outputter-dump-string outputter x))
271 (round (* x scale mm-to-bigpoint))))
276 (ly:outputter-dump-string outputter
277 (string-append "start-system { "
278 "set-ps-scale-to-lily-scale "
281 (ly:outputter-dump-stencil outputter dump-me)
282 (ly:outputter-dump-string outputter "} stop-system\n%%Trailer\n%%EOF\n")))
284 (define-public (convert-to-pdf book name)
285 (let* ((defs (ly:paper-book-paper book))
286 (papersizename (ly:output-def-lookup defs 'papersizename)))
288 (if (equal? name "-")
289 (ly:warn "Can't convert <stdout> to PDF")
290 (postscript->pdf (if (string? papersizename) papersizename "a4")
293 (define-public (convert-to-png book name)
294 (let* ((defs (ly:paper-book-paper book))
295 (resolution (ly:output-def-lookup defs 'pngresolution)))
297 (postscript->png (if (number? resolution) resolution
299 (ly:get-option 'resolution))
302 (define-public (convert-to-dvi book name)
303 (ly:warn "Can not generate DVI via the postscript back-end"))
305 (define-public (convert-to-tex book name)
306 (ly:warn "Can not generate TeX via the postscript back-end"))
308 (define-public (convert-to-ps book name)