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-public (ps-font-command font . override-coding)
18 (let* ((name (ly:font-filename font))
19 (magnify (ly:font-magnification font))
20 (coding-alist (ly:font-encoding-alist font))
21 (input-encoding (assoc-get 'input-name coding-alist))
22 (font-encoding (assoc-get 'output-name coding-alist))
23 (coding-command (if (null? override-coding)
24 (if (equal? input-encoding font-encoding)
26 (car override-coding))))
28 ;; FIXME: now feta stuff has feta* input-encoding (again?)
29 ;;(format (current-error-port) "FONT: ~S, ~S\n" name font-encoding)
30 ;;(format (current-error-port) "INPUT: ~S\n" input-encoding)
31 (if (and coding-command
33 (equal? (substring coding-command 0 4) "feta")
34 (equal? (substring coding-command 0 8) "parmesan")
37 (set! coding-command #f))
40 "magfont" (string-encode-integer (hashq name 1000000))
41 "m" (string-encode-integer (inexact->exact (round (* 1000 magnify))))
42 (if (not coding-command) "" (string-append "e" coding-command)))))
44 (define (tex-font? fontname)
46 (equal? (substring fontname 0 2) "cm")
47 (equal? (substring fontname 0 2) "ec")))
49 (define (load-fonts bookpaper)
50 (let* ((fonts (ly:bookpaper-fonts bookpaper))
51 (font-names (uniq-list (sort (map ly:font-filename fonts) string<?)))
56 ((aname (string-append x ".pfa"))
57 (apath (ly:kpathsea-expand-path aname))
59 ; (bpath (if (not apath)
60 ; (ly:kpathsea-expand-path (string-append x ".pfb"))
66 (apath (ly:gulp-file apath))
68 ; oops , can't plonk PFB in, must convert to ASCII.
69 ;(bpath (ly:gulp-file bpath))
71 (ly:warn "Can't find PFA font ~S" x)
73 (filter string? font-names))))
75 (string-join pfas "\n")))
77 (define (define-fonts bookpaper)
79 (define font-list (ly:bookpaper-fonts bookpaper))
80 (define (define-font command fontname scaling)
82 "/" command " { /" fontname " findfont "
83 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
85 (define (reencode-font plain encoding command)
86 (let ((coding-vector (get-coding-command encoding)))
88 plain " " coding-vector " /" command " reencode-font\n"
89 "/" command "{ /" command " findfont 1 scalefont } bind def\n")))
91 (define (guess-ps-fontname basename)
93 "We do not have the FontName, try to guess is from basename."
97 ;; FIXME: we need proper Fontmap for the bluesky CM*, EC* fonts.
98 ;; Only the fonts that we trace in mf/ are in our own FontMap.
99 (string-append basename ".pfb"))
100 (else (string-append basename ".pfa"))))
102 (define (font-load-command font)
103 (let* ((specced-font-name (ly:font-name font))
104 (fontname (if specced-font-name
106 (guess-ps-fontname (ly:font-filename font))))
108 (coding-alist (ly:font-encoding-alist font))
109 (input-encoding (assoc-get 'input-name coding-alist))
110 (font-encoding (assoc-get 'output-name coding-alist))
111 (command (ps-font-command font))
112 ;; FIXME -- see (ps-font-command )
113 (plain (ps-font-command font #f))
114 (designsize (ly:font-design-size font))
115 (magnification (* (ly:font-magnification font)))
116 (ops (ly:output-def-lookup bookpaper 'outputscale))
117 (scaling (* ops magnification designsize)))
120 (define-font plain fontname scaling)
121 (if (or (equal? input-encoding font-encoding)
123 (equal? font-encoding "fetaBraces")
124 (equal? font-encoding "fetaNumber")
125 (equal? font-encoding "fetaMusic")
126 (equal? font-encoding "parmesanMusic"))
128 (reencode-font plain input-encoding command)))))
130 (define (font-load-encoding encoding)
131 (let ((filename (get-coding-filename encoding)))
132 (ly:gulp-file (ly:kpathsea-expand-path filename))))
134 (let* ((encoding-list (map (lambda (x)
135 (assoc-get 'input-name
136 (ly:font-encoding-alist x)))
138 (encodings (uniq-list (sort-list (filter string? encoding-list)
142 (apply string-append (map font-load-encoding encodings))
144 (map (lambda (x) (font-load-command x)) font-list)))))
146 ;; FIXME: duplicated in other output backends
147 ;; FIXME: silly interface name
148 (define (output-variables paper)
149 ;; FIXME: duplicates output-paper's scope-entry->string, mostly
150 (define (value->string val)
152 ((string? val) (string-append "(" val ")"))
153 ((symbol? val) (symbol->string val))
154 ((number? val) (number->string val))
157 (define (output-entry ps-key ly-key)
160 (value->string (ly:output-def-lookup paper ly-key)) " def \n"))
163 "/lily-output-units 2.83464 def %% milimeter \n"
164 "% /lily-output-units 0.996264 def %% true points.\n"
165 (output-entry "staff-line-thickness" 'linethickness)
166 (output-entry "line-width" 'linewidth)
167 (output-entry "paper-size" 'papersize)
168 (output-entry "staff-height" 'staffheight) ;junkme.
170 (number->string (ly:output-def-lookup paper 'outputscale))
171 " lily-output-units mul def \n"))
173 (define (header paper page-count classic?)
176 "%%Creator: creator time-stamp \n"))
178 (define (dump-page outputter page page-number page-count)
179 (ly:outputter-dump-string outputter
182 (number->string page-number) " " (number->string page-count) "\n"
183 "0 0 start-system { "
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-public (output-framework outputter book scopes fields basename)
190 (let* ((bookpaper (ly:paper-book-book-paper book))
191 (pages (ly:paper-book-pages book))
193 (page-count (length pages)))
196 (ly:outputter-dump-string outputter x))
202 "%%Pages: " (number->string page-count) "\n"
203 "%%PageOrder: Ascend\n"
204 "%%DocumentPaperSizes: " (ly:output-def-lookup bookpaper 'papersize) "\n"
206 (output-variables bookpaper)
207 (ly:gulp-file "music-drawing-routines.ps")
208 (ly:gulp-file "lilyponddefs.ps")
209 (load-fonts bookpaper)
210 (define-fonts bookpaper)))
214 (set! page-number (1+ page-number))
215 (dump-page outputter page page-number page-count))
217 (ly:outputter-dump-string outputter "%%Trailer\n%%EOF\n")))
219 (define-public (output-classic-framework outputter book scopes fields
221 (let* ((bookpaper (ly:paper-book-book-paper book))
222 (lines (ly:paper-book-lines book))
224 ;; What the F*** is 2.83463?
225 (scale (* 2.83464 (ly:output-def-lookup bookpaper 'outputscale)))
227 (apply + (map (lambda (z) (ly:paper-system-extent z Y)) lines)))
231 (define (dump-line outputter system)
232 (let ((stil (ly:paper-system-stencil system)))
234 (ly:outputter-dump-string
238 (ly:number->string y)
239 " start-system {\n set-ps-scale-to-lily-scale\n"))
240 (set! y (+ y (ly:paper-system-extent system Y)))
241 (ly:outputter-dump-stencil outputter stil)
242 (ly:outputter-dump-string
247 (inexact->exact (round (* scale x))))
249 (define (bbox llx lly urx ury)
252 (ly:number->string (to-pt llx)) " "
253 (ly:number->string (to-pt lly)) " "
254 (ly:number->string (to-pt urx)) " "
255 (ly:number->string (to-pt ury)) "\n"))
259 (set! x-ext (interval-union x-ext
260 (cons 0.0 (ly:paper-system-extent ell X)))))
265 (ly:outputter-dump-string outputter x))
267 "%!PS-Adobe-2.0 EPSF-2.0\n"
268 "%%Creator: LilyPond \n"
270 ;; (bbox (car x-ext) 0 (cdr x-ext) total-y) ; doesn't work well
273 (output-variables bookpaper)
274 (ly:gulp-file "music-drawing-routines.ps")
275 (ly:gulp-file "lilyponddefs.ps")
276 (load-fonts bookpaper)
277 (define-fonts bookpaper)))
279 ;; ; page-number page-count))
281 (lambda (line) (set! lineno (1+ lineno)) (dump-line outputter line))
283 (ly:outputter-dump-string outputter "\n")))