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)
18 (define (tex-font? fontname)
19 (equal? (substring fontname 0 2) "cm"))
21 (define (load-fonts bookpaper)
22 (let* ((fonts (ly:bookpaper-fonts bookpaper))
23 (font-names (uniq-list (sort (map ly:font-filename fonts) string<?)))
26 (ly:kpathsea-gulp-file (string-append x ".pfa")))
27 (filter string? font-names))))
28 (string-join pfas "\n")))
30 (define (define-fonts bookpaper)
32 (define font-list (ly:bookpaper-fonts bookpaper))
33 (define (define-font command fontname scaling)
35 "/" command " { /" fontname " findfont "
36 (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
38 (define (reencode-font plain encoding command)
39 (let ((coding-vector (get-coding-command encoding)))
41 plain " " coding-vector " /" command " reencode-font\n"
42 "/" command "{ /" command " findfont 1 scalefont } bind def\n")))
44 (define (guess-ps-fontname basename)
46 "We do not have the FontName, try to guess is from basename."
50 ;; FIXME: we need proper Fontmap for the bluesky CM*, EC* fonts.
51 ;; Only the fonts that we trace in mf/ are in our own FontMap.
52 (string-append basename ".pfb"))
53 (else (string-append basename ".pfa"))))
55 (define (font-load-command font)
56 (let* ((specced-font-name (ly:font-name font))
57 (fontname (if specced-font-name
59 (guess-ps-fontname (ly:font-filename font))))
61 (coding-alist (ly:font-encoding-alist font))
62 (input-encoding (assoc-get 'input-name coding-alist))
63 (font-encoding (assoc-get 'output-name coding-alist))
64 (command (ps-font-command font))
65 ;; FIXME -- see (ps-font-command )
66 (plain (ps-font-command font #f))
67 (designsize (ly:font-design-size font))
68 (magnification (* (ly:font-magnification font)))
69 (ops (ly:output-def-lookup bookpaper 'outputscale))
70 (scaling (* ops magnification designsize)))
73 (define-font plain fontname scaling)
74 (if (or (equal? input-encoding font-encoding)
76 (equal? font-encoding "fetaBraces")
77 (equal? font-encoding "fetaNumber")
78 (equal? font-encoding "fetaMusic")
79 (equal? font-encoding "parmesanMusic"))
81 (reencode-font plain input-encoding command)))))
83 (define (font-load-encoding encoding)
84 (let ((filename (get-coding-filename encoding)))
85 (ly:kpathsea-gulp-file filename)))
87 (let* ((encoding-list (map (lambda (x)
88 (assoc-get 'input-name
89 (ly:font-encoding-alist x)))
91 (encodings (uniq-list (sort-list (filter string? encoding-list)
95 (apply string-append (map font-load-encoding encodings))
97 (map (lambda (x) (font-load-command x)) font-list)))))
99 ;; FIXME: duplicated in other output backends
100 ;; FIXME: silly interface name
101 (define (output-variables paper)
102 ;; FIXME: duplicates output-paper's scope-entry->string, mostly
103 (define (value->string val)
105 ((string? val) (string-append "(" val ")"))
106 ((symbol? val) (symbol->string val))
107 ((number? val) (number->string val))
110 (define (output-entry ps-key ly-key)
113 (value->string (ly:output-def-lookup paper ly-key)) " def \n"))
116 "/lily-output-units 2.83464 def %% milimeter \n"
117 "% /lily-output-units 0.996264 def %% true points.\n"
118 (output-entry "staff-line-thickness" 'linethickness)
119 (output-entry "line-width" 'linewidth)
120 (output-entry "paper-size" 'papersize)
121 (output-entry "staff-height" 'staffheight) ;junkme.
123 (number->string (ly:output-def-lookup paper 'outputscale))
124 " lily-output-units mul def \n"))
126 (define (header paper page-count classic?)
129 "%%Creator: creator time-stamp \n"))
131 (define (dump-page outputter page page-number page-count)
132 (ly:outputter-dump-string outputter
135 (number->string page-number) " " (number->string page-count) "\n"
136 "0 0 start-system { "
137 "set-ps-scale-to-lily-scale "
139 (ly:outputter-dump-stencil outputter (ly:page-stencil page))
140 (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
142 (define-public (output-framework-ps outputter book scopes fields basename)
143 (let* ((bookpaper (ly:paper-book-book-paper book))
144 (pages (ly:paper-book-pages book))
146 (page-count (length pages)))
149 (ly:outputter-dump-string outputter x))
155 "%%Pages: " (number->string page-count) "\n"
156 "%%PageOrder: Ascend\n"
157 "%%DocumentPaperSizes: " (ly:output-def-lookup bookpaper 'papersize) "\n"
159 (output-variables bookpaper)
160 (ly:gulp-file "music-drawing-routines.ps")
161 (ly:gulp-file "lilyponddefs.ps")
162 (load-fonts bookpaper)
163 (define-fonts bookpaper)))
167 (set! page-number (1+ page-number))
168 (dump-page outputter page page-number page-count))
170 (ly:outputter-dump-string outputter "%%Trailer\n%%EOF\n")))
172 (define-public (output-classic-framework-ps outputter book scopes fields
174 (let* ((bookpaper (ly:paper-book-book-paper book))
175 (lines (ly:paper-book-lines book))
177 (scale (* 2.83464 (ly:output-def-lookup bookpaper 'outputscale)))
179 (apply + (map (lambda (z) (ly:paper-line-extent z Y)) lines)))
183 (define (dump-line outputter system)
184 (let ((stil (ly:paper-line-stencil system)))
186 (ly:outputter-dump-string
190 (ly:number->string y)
191 " start-system {\n set-ps-scale-to-lily-scale\n"))
192 (set! y (+ y (ly:paper-line-extent system Y)))
193 (ly:outputter-dump-stencil outputter stil)
194 (ly:outputter-dump-string
199 (inexact->exact (round (* scale x))))
201 (define (bbox llx lly urx ury)
204 (ly:number->string (to-pt llx)) " "
205 (ly:number->string (to-pt lly)) " "
206 (ly:number->string (to-pt urx)) " "
207 (ly:number->string (to-pt ury)) "\n"))
211 (set! x-ext (interval-union x-ext
212 (cons 0.0 (ly:paper-line-extent ell X)))))
217 (ly:outputter-dump-string outputter x))
219 "%!PS-Adobe-2.0 EPSF-2.0\n"
220 "%%Creator: LilyPond \n"
222 ;; (bbox (car x-ext) 0 (cdr x-ext) total-y) ; doesn't work well
225 (output-variables bookpaper)
226 (ly:gulp-file "music-drawing-routines.ps")
227 (ly:gulp-file "lilyponddefs.ps")
228 (load-fonts bookpaper)
229 (define-fonts bookpaper)))
231 ;; ; page-number page-count))
233 (lambda (line) (set! lineno (1+ lineno)) (dump-line outputter line))
235 (ly:outputter-dump-string outputter "\n")))