blob: de44c4054a2df94b4a86b44d364eb4c3cfafee5d (
about) (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
;;;; backend-library.scm -- helpers for the backends.
;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
;;;; (c) 2005--2006 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; backend helpers.
(define-public (ly:system command)
(let* ((status 0)
(dev-null "/dev/null")
(silenced (if (or (ly:get-option 'verbose)
(not (access? dev-null W_OK)))
command
(format #f "~a > ~a 2>&1 " command dev-null))))
(if (ly:get-option 'verbose)
(ly:message (_ "Invoking `~a'...") command))
(set! status (system silenced))
(if (> status 0)
(begin
(ly:message (_ "`~a' failed (~a)") command status)
(ly:progress "\n")
;; hmmm. what's the best failure option?
(throw 'ly-file-failed)))))
(define-public (sanitize-command-option str)
"Kill dubious shell quoting"
(string-append
"\""
(regexp-substitute/global #f "[^-_ 0-9,.a-zA-Z'\"\\]" str 'pre 'post)
"\""))
(define-public (search-executable names)
(define (helper path lst)
(if (null? (cdr lst))
(car lst)
(if (search-path path (car lst)) (car lst)
(helper path (cdr lst)))))
(let ((path (parse-path (getenv "PATH"))))
(helper path names)))
(define-public (search-gs)
;; must be sure that we don't catch stuff from old GUBs.
(search-executable '("gs")))
(define-public (postscript->pdf paper-width paper-height name)
(let* ((pdf-name (string-append
(basename (basename name ".ps") ".eps")
".pdf"))
(is-eps (string-match "\\.eps$" name))
(paper-size-string (if is-eps
" -dEPSCrop "
(format "-dDEVICEWIDTHPOINTS=~,2f \
-dDEVICEHEIGHTPOINTS=~,2f "
paper-width paper-height )))
(cmd (format #f
"~a\
~a\
~a\
~a\
-dCompatibilityLevel=1.4 \
-dNOPAUSE\
-dBATCH\
-r1200 \
-sDEVICE=pdfwrite\
-sOutputFile=~S\
-c .setpdfwrite\
-f ~S\
"
(search-gs)
(if (ly:get-option 'verbose) "" "-q")
(if (ly:get-option 'gs-font-load)
" -dNOSAFER "
" -dSAFER ")
paper-size-string
pdf-name
name)))
;; The wrapper on windows cannot handle `=' signs,
;; gs has a workaround with #.
(if (eq? PLATFORM 'windows)
(begin
(set! cmd (string-regexp-substitute "=" "#" cmd))
(set! cmd (string-regexp-substitute "-dSAFER " "" cmd))))
(if (access? pdf-name W_OK)
(delete-file pdf-name))
(ly:message (_ "Converting to `~a'...") pdf-name)
(ly:progress "\n")
(ly:system cmd)
))
(use-modules (scm ps-to-png))
(define-public (postscript->png resolution paper-width paper-height name)
;; Do not try to guess the name of the png file,
;; GS produces PNG files like BASE-page%d.png.
;;(ly:message (_ "Converting to `~a'...")
;; (string-append (basename name ".ps") "-page1.png" )))
(let ((verbose (ly:get-option 'verbose))
(rename-page-1 #f))
(ly:message (_ "Converting to ~a...") "PNG")
(make-ps-images name resolution paper-width paper-height rename-page-1 verbose
(ly:get-option 'anti-alias-factor))
(ly:progress "\n")))
(define-public (postprocess-output paper-book module filename formats)
(let*
((completed (completize-formats formats))
(base (string-regexp-substitute "\\.[a-z]+$" "" filename))
(intermediate (remove
(lambda (x)
(member x formats))
completed)))
(for-each
(lambda (f)
((eval (string->symbol (format "convert-to-~a" f)) module)
paper-book filename))
completed)
(if (ly:get-option 'delete-intermediate-files)
(for-each
(lambda (f)
(delete-file (string-append base "." f)))
intermediate))
))
(define-public (completize-formats formats)
(define new-fmts '())
(if (member "png" formats)
(set! formats (cons "ps" formats)))
(if (member "pdf" formats)
(set! formats (cons "ps" formats)))
(for-each
(lambda (x)
(if (member x formats) (set! new-fmts (cons x new-fmts))))
'("tex" "dvi" "ps" "pdf" "png"))
(uniq-list (reverse new-fmts)))
(define (header-to-file file-name key value)
(set! key (symbol->string key))
(if (not (equal? "-" file-name))
(set! file-name (string-append file-name "." key)))
(ly:message (_ "Writing header field `~a' to `~a'...")
key
(if (equal? "-" file-name) "<stdout>" file-name))
(if (equal? file-name "-")
(display value)
(display value (open-file file-name "w")))
(ly:progress "\n")
"")
(define-public (output-scopes scopes fields basename)
(define (output-scope scope)
(apply
string-append
(module-map
(lambda (sym var)
(let ((val (if (variable-bound? var) (variable-ref var) "")))
(if (and (memq sym fields) (string? val))
(header-to-file basename sym val))
""))
scope)))
(apply string-append (map output-scope scopes)))
|
