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"))
65 (apath (ly:gulp-file apath))
66 (bpath (ly:pfb->pfa bpath))
68 (ly:warn "Can't find PFA font ~S" x)
70 (filter string? font-names))))
72 (string-join pfas "\n")))
74 (define (define-fonts bookpaper)
76 (define font-list (ly:bookpaper-fonts bookpaper))
77 (define (define-font command fontname scaling)
79 "/" command " { /" fontname " findfont "
80 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
82 (define (reencode-font plain encoding command)
83 (let ((coding-vector (get-coding-command encoding)))
85 plain " " coding-vector " /" command " reencode-font\n"
86 "/" command "{ /" command " findfont 1 scalefont } bind def\n")))
88 (define (guess-ps-fontname basename)
90 "We do not have the FontName, try to guess is from basename."
94 ;; FIXME: we need proper Fontmap for the bluesky CM*, EC* fonts.
95 ;; Only the fonts that we trace in mf/ are in our own FontMap.
96 (string-append basename ".pfb"))
97 (else (string-append basename ".pfa"))))
99 (define (font-load-command font)
100 (let* ((specced-font-name (ly:font-name font))
101 (fontname (if specced-font-name
103 (guess-ps-fontname (ly:font-filename font))))
105 (coding-alist (ly:font-encoding-alist font))
106 (input-encoding (assoc-get 'input-name coding-alist))
107 (font-encoding (assoc-get 'output-name coding-alist))
108 (command (ps-font-command font))
109 ;; FIXME -- see (ps-font-command )
110 (plain (ps-font-command font #f))
111 (designsize (ly:font-design-size font))
112 (magnification (* (ly:font-magnification font)))
113 (ops (ly:output-def-lookup bookpaper 'outputscale))
114 (scaling (* ops magnification designsize)))
117 (define-font plain fontname scaling)
118 (if (or (equal? input-encoding font-encoding)
120 (equal? font-encoding "fetaBraces")
121 (equal? font-encoding "fetaNumber")
122 (equal? font-encoding "fetaMusic")
123 (equal? font-encoding "parmesanMusic"))
125 (reencode-font plain input-encoding command)))))
127 (define (font-load-encoding encoding)
128 (let ((filename (get-coding-filename encoding)))
129 (ly:gulp-file (ly:kpathsea-expand-path filename))))
131 (let* ((encoding-list (map (lambda (x)
132 (assoc-get 'input-name
133 (ly:font-encoding-alist x)))
135 (encodings (uniq-list (sort-list (filter string? encoding-list)
139 (apply string-append (map font-load-encoding encodings))
141 (map (lambda (x) (font-load-command x)) font-list)))))
143 ;; FIXME: duplicated in other output backends
144 ;; FIXME: silly interface name
145 (define (output-variables paper)
146 ;; FIXME: duplicates output-paper's scope-entry->string, mostly
147 (define (value->string val)
149 ((string? val) (string-append "(" val ")"))
150 ((symbol? val) (symbol->string val))
151 ((number? val) (number->string val))
154 (define (output-entry ps-key ly-key)
157 (value->string (ly:output-def-lookup paper ly-key)) " def \n"))
160 "/lily-output-units 2.83464 def %% milimeter \n"
161 "% /lily-output-units 0.996264 def %% true points.\n"
162 (output-entry "staff-line-thickness" 'linethickness)
163 (output-entry "line-width" 'linewidth)
164 (output-entry "paper-size" 'papersize)
165 (output-entry "staff-height" 'staffheight) ;junkme.
167 (number->string (ly:output-def-lookup paper 'outputscale))
168 " lily-output-units mul def \n"))
170 (define (header paper page-count classic?)
173 "%%Creator: creator time-stamp \n"))
175 (define (dump-page outputter page page-number page-count)
176 (ly:outputter-dump-string outputter
179 (number->string page-number) " " (number->string page-count) "\n"
180 "0 0 start-system { "
181 "set-ps-scale-to-lily-scale "
183 (ly:outputter-dump-stencil outputter page)
184 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
186 (define-public (output-framework outputter book scopes fields basename)
187 (let* ((bookpaper (ly:paper-book-book-paper book))
188 (pages (ly:paper-book-pages book))
190 (page-count (length pages)))
193 (ly:outputter-dump-string outputter x))
199 "%%Pages: " (number->string page-count) "\n"
200 "%%PageOrder: Ascend\n"
201 "%%DocumentPaperSizes: " (ly:output-def-lookup bookpaper 'papersize) "\n"
203 (output-variables bookpaper)
204 (ly:gulp-file "music-drawing-routines.ps")
205 (ly:gulp-file "lilyponddefs.ps")
206 (load-fonts bookpaper)
207 (define-fonts bookpaper)))
211 (set! page-number (1+ page-number))
212 (dump-page outputter page page-number page-count))
214 (ly:outputter-dump-string outputter "%%Trailer\n%%EOF\n")))
216 (define-public (output-classic-framework outputter book scopes fields
218 (let* ((bookpaper (ly:paper-book-book-paper book))
219 (lines (ly:paper-book-lines book))
221 ;; What the F*** is 2.83463?
222 (scale (* 2.83464 (ly:output-def-lookup bookpaper 'outputscale)))
224 (apply + (map (lambda (z) (ly:paper-system-extent z Y)) lines)))
228 (define (dump-line outputter system)
229 (let ((stil (ly:paper-system-stencil system)))
231 (ly:outputter-dump-string
235 (ly:number->string y)
236 " start-system {\n set-ps-scale-to-lily-scale\n"))
237 (set! y (+ y (ly:paper-system-extent system Y)))
238 (ly:outputter-dump-stencil outputter stil)
239 (ly:outputter-dump-string
244 (inexact->exact (round (* scale x))))
246 (define (bbox llx lly urx ury)
249 (ly:number->string (to-pt llx)) " "
250 (ly:number->string (to-pt lly)) " "
251 (ly:number->string (to-pt urx)) " "
252 (ly:number->string (to-pt ury)) "\n"))
256 (set! x-ext (interval-union x-ext
257 (cons 0.0 (ly:paper-system-extent ell X)))))
262 (ly:outputter-dump-string outputter x))
264 "%!PS-Adobe-2.0 EPSF-2.0\n"
265 "%%Creator: LilyPond \n"
267 ;; (bbox (car x-ext) 0 (cdr x-ext) total-y) ; doesn't work well
270 (output-variables bookpaper)
271 (ly:gulp-file "music-drawing-routines.ps")
272 (ly:gulp-file "lilyponddefs.ps")
273 (load-fonts bookpaper)
274 (define-fonts bookpaper)))
276 ;; ; page-number page-count))
278 (lambda (line) (set! lineno (1+ lineno)) (dump-line outputter line))
280 (ly:outputter-dump-string outputter "\n")))