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)
45 (equal? (substring fontname 0 2) "cm"))
47 (define (load-fonts bookpaper)
48 (let* ((fonts (ly:bookpaper-fonts bookpaper))
49 (font-names (uniq-list (sort (map ly:font-filename fonts) string<?)))
52 (ly:kpathsea-gulp-file (string-append x ".pfa")))
53 (filter string? font-names))))
54 (string-join pfas "\n")))
56 (define (define-fonts bookpaper)
58 (define font-list (ly:bookpaper-fonts bookpaper))
59 (define (define-font command fontname scaling)
61 "/" command " { /" fontname " findfont "
62 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
64 (define (reencode-font plain encoding command)
65 (let ((coding-vector (get-coding-command encoding)))
67 plain " " coding-vector " /" command " reencode-font\n"
68 "/" command "{ /" command " findfont 1 scalefont } bind def\n")))
70 (define (guess-ps-fontname basename)
72 "We do not have the FontName, try to guess is from basename."
76 ;; FIXME: we need proper Fontmap for the bluesky CM*, EC* fonts.
77 ;; Only the fonts that we trace in mf/ are in our own FontMap.
78 (string-append basename ".pfb"))
79 (else (string-append basename ".pfa"))))
81 (define (font-load-command font)
82 (let* ((specced-font-name (ly:font-name font))
83 (fontname (if specced-font-name
85 (guess-ps-fontname (ly:font-filename font))))
87 (coding-alist (ly:font-encoding-alist font))
88 (input-encoding (assoc-get 'input-name coding-alist))
89 (font-encoding (assoc-get 'output-name coding-alist))
90 (command (ps-font-command font))
91 ;; FIXME -- see (ps-font-command )
92 (plain (ps-font-command font #f))
93 (designsize (ly:font-design-size font))
94 (magnification (* (ly:font-magnification font)))
95 (ops (ly:output-def-lookup bookpaper 'outputscale))
96 (scaling (* ops magnification designsize)))
99 (define-font plain fontname scaling)
100 (if (or (equal? input-encoding font-encoding)
102 (equal? font-encoding "fetaBraces")
103 (equal? font-encoding "fetaNumber")
104 (equal? font-encoding "fetaMusic")
105 (equal? font-encoding "parmesanMusic"))
107 (reencode-font plain input-encoding command)))))
109 (define (font-load-encoding encoding)
110 (let ((filename (get-coding-filename encoding)))
111 (ly:kpathsea-gulp-file filename)))
113 (let* ((encoding-list (map (lambda (x)
114 (assoc-get 'input-name
115 (ly:font-encoding-alist x)))
117 (encodings (uniq-list (sort-list (filter string? encoding-list)
121 (apply string-append (map font-load-encoding encodings))
123 (map (lambda (x) (font-load-command x)) font-list)))))
125 ;; FIXME: duplicated in other output backends
126 ;; FIXME: silly interface name
127 (define (output-variables paper)
128 ;; FIXME: duplicates output-paper's scope-entry->string, mostly
129 (define (value->string val)
131 ((string? val) (string-append "(" val ")"))
132 ((symbol? val) (symbol->string val))
133 ((number? val) (number->string val))
136 (define (output-entry ps-key ly-key)
139 (value->string (ly:output-def-lookup paper ly-key)) " def \n"))
142 "/lily-output-units 2.83464 def %% milimeter \n"
143 "% /lily-output-units 0.996264 def %% true points.\n"
144 (output-entry "staff-line-thickness" 'linethickness)
145 (output-entry "line-width" 'linewidth)
146 (output-entry "paper-size" 'papersize)
147 (output-entry "staff-height" 'staffheight) ;junkme.
149 (number->string (ly:output-def-lookup paper 'outputscale))
150 " lily-output-units mul def \n"))
152 (define (header paper page-count classic?)
155 "%%Creator: creator time-stamp \n"))
157 (define (dump-page outputter page page-number page-count)
158 (ly:outputter-dump-string outputter
161 (number->string page-number) " " (number->string page-count) "\n"
162 "0 0 start-system { "
163 "set-ps-scale-to-lily-scale "
165 (ly:outputter-dump-stencil outputter page)
166 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
168 (define-public (output-framework-ps outputter book scopes fields basename)
169 (let* ((bookpaper (ly:paper-book-book-paper book))
170 (pages (ly:paper-book-pages book))
172 (page-count (length pages)))
175 (ly:outputter-dump-string outputter x))
181 "%%Pages: " (number->string page-count) "\n"
182 "%%PageOrder: Ascend\n"
183 "%%DocumentPaperSizes: " (ly:output-def-lookup bookpaper 'papersize) "\n"
185 (output-variables bookpaper)
186 (ly:gulp-file "music-drawing-routines.ps")
187 (ly:gulp-file "lilyponddefs.ps")
188 (load-fonts bookpaper)
189 (define-fonts bookpaper)))
193 (set! page-number (1+ page-number))
194 (dump-page outputter page page-number page-count))
196 (ly:outputter-dump-string outputter "%%Trailer\n%%EOF\n")))
198 (define-public (output-classic-framework-ps outputter book scopes fields
200 (let* ((bookpaper (ly:paper-book-book-paper book))
201 (lines (ly:paper-book-lines book))
203 (scale (* 2.83464 (ly:output-def-lookup bookpaper 'outputscale)))
205 (apply + (map (lambda (z) (ly:paper-system-extent z Y)) lines)))
209 (define (dump-line outputter system)
210 (let ((stil (ly:paper-system-stencil system)))
212 (ly:outputter-dump-string
216 (ly:number->string y)
217 " start-system {\n set-ps-scale-to-lily-scale\n"))
218 (set! y (+ y (ly:paper-system-extent system Y)))
219 (ly:outputter-dump-stencil outputter stil)
220 (ly:outputter-dump-string
225 (inexact->exact (round (* scale x))))
227 (define (bbox llx lly urx ury)
230 (ly:number->string (to-pt llx)) " "
231 (ly:number->string (to-pt lly)) " "
232 (ly:number->string (to-pt urx)) " "
233 (ly:number->string (to-pt ury)) "\n"))
237 (set! x-ext (interval-union x-ext
238 (cons 0.0 (ly:paper-system-extent ell X)))))
243 (ly:outputter-dump-string outputter x))
245 "%!PS-Adobe-2.0 EPSF-2.0\n"
246 "%%Creator: LilyPond \n"
248 ;; (bbox (car x-ext) 0 (cdr x-ext) total-y) ; doesn't work well
251 (output-variables bookpaper)
252 (ly:gulp-file "music-drawing-routines.ps")
253 (ly:gulp-file "lilyponddefs.ps")
254 (load-fonts bookpaper)
255 (define-fonts bookpaper)))
257 ;; ; page-number page-count))
259 (lambda (line) (set! lineno (1+ lineno)) (dump-line outputter line))
261 (ly:outputter-dump-string outputter "\n")))