1 ;;;; This file is part of LilyPond, the GNU music typesetter.
3 ;;;; Copyright (C) 2004--2010 Jan Nieuwenhuizen <janneke@gnu.org>
4 ;;;; Patrick McCarty <pnorcks@gmail.com>
6 ;;;; LilyPond is free software: you can redistribute it and/or modify
7 ;;;; it under the terms of the GNU General Public License as published by
8 ;;;; the Free Software Foundation, either version 3 of the License, or
9 ;;;; (at your option) any later version.
11 ;;;; LilyPond is distributed in the hope that it will be useful,
12 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;;;; GNU General Public License for more details.
16 ;;;; You should have received a copy of the GNU General Public License
17 ;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 ;;;; http://www.w3.org/TR/SVG11/
21 ;;;; http://www.w3.org/TR/SVGTiny12/
24 ;;;; http://www.w3.org/TR/SVGPrint/ -- for <pageSet> and <page>
27 ;;;; * Once <pageSet> and <page> are supported by Inkscape and
28 ;;;; other user agents, add a -d option (-dsvg-multiple-page)
29 ;;;; that will create a single SVG file containing all pages
30 ;;;; of output. --pmccarty
32 (define-module (scm framework-svg))
45 (define format ergonomic-simple-format)
47 (define (svg-begin . rest)
49 '(xmlns . "http://www.w3.org/2000/svg")
50 '(xmlns:xlink . "http://www.w3.org/1999/xlink")
52 `(width . ,(ly:format "~2fmm" (first rest)))
53 `(height . ,(ly:format "~2fmm" (second rest)))
54 `(viewBox . ,(ly:format "~4f ~4f ~4f ~4f"
55 (third rest) (fourth rest)
56 (fifth rest) (sixth rest)))))
61 (define (mkdirs dir-name mode)
62 (let loop ((dir-name (string-split dir-name #\/)) (root ""))
64 (let ((dir (string-append root (car dir-name))))
65 (if (not (file-exists? dir))
67 (loop (cdr dir-name) (string-append dir "/"))))))
69 (define output-dir #f)
71 (define (svg-define-font font font-name scaling)
72 (let* ((base-file-name (basename (if (list? font) (pango-pf-file-name font)
73 (ly:font-file-name font)) ".otf"))
74 (woff-file-name (string-regexp-substitute "([.]otf)?$" ".woff"
76 (woff-file (or (ly:find-file woff-file-name) "/no-such-file.woff"))
77 (url (string-append output-dir "/fonts/" (lilypond-version) "/"
78 (basename woff-file-name)))
79 (lower-name (string-downcase font-name)))
80 (if (file-exists? woff-file)
82 (if (not (file-exists? url))
84 (ly:message (_ "Updating font into: ~a") url)
85 (mkdirs (string-append output-dir "/" (dirname url)) #o700)
86 (copy-file woff-file url)
99 (define (woff-header paper dir)
101 * add (ly:version) to font name
102 * copy woff font with version alongside svg output
104 (set! output-dir dir)
107 (eo 'style '(text . "style/css"))
110 (define-fonts paper svg-define-font svg-define-font)
116 (define (dump-page paper filename page page-number page-count)
117 (let* ((outputter (ly:make-paper-outputter (open-file filename "wb") 'svg))
118 (dump (lambda (str) (display str (ly:outputter-port outputter))))
119 (lookup (lambda (x) (ly:output-def-lookup paper x)))
120 (unit-length (lookup 'output-scale))
121 (output-scale (* lily-unit->mm-factor unit-length))
122 (device-width (lookup 'paper-width))
123 (device-height (lookup 'paper-height))
124 (page-width (* output-scale device-width))
125 (page-height (* output-scale device-height)))
127 (if (ly:get-option 'svg-woff)
128 (module-define! (ly:outputter-module outputter) 'paper paper))
129 (dump (svg-begin page-width page-height
130 0 0 device-width device-height))
131 (if (ly:get-option 'svg-woff)
132 (module-remove! (ly:outputter-module outputter) 'paper))
133 (if (ly:get-option 'svg-woff)
134 (dump (woff-header paper (dirname filename))))
135 (dump (comment (format "Page: ~S/~S" page-number page-count)))
136 (ly:outputter-output-scheme outputter
137 `(begin (set! lily-unit-length ,unit-length)
139 (ly:outputter-dump-stencil outputter page)
141 (ly:outputter-close outputter)))
143 (define (dump-preview paper stencil filename)
144 (let* ((outputter (ly:make-paper-outputter (open-file filename "wb") 'svg))
145 (dump (lambda (str) (display str (ly:outputter-port outputter))))
146 (lookup (lambda (x) (ly:output-def-lookup paper x)))
147 (unit-length (lookup 'output-scale))
148 (x-extent (ly:stencil-extent stencil X))
149 (y-extent (ly:stencil-extent stencil Y))
150 (left-x (car x-extent))
151 (top-y (cdr y-extent))
152 (device-width (interval-length x-extent))
153 (device-height (interval-length y-extent))
154 (output-scale (* lily-unit->mm-factor unit-length))
155 (svg-width (* output-scale device-width))
156 (svg-height (* output-scale device-height)))
158 (if (ly:get-option 'svg-woff)
159 (module-define! (ly:outputter-module outputter) 'paper paper))
160 (dump (svg-begin svg-width svg-height
161 left-x (- top-y) device-width device-height))
162 (if (ly:get-option 'svg-woff)
163 (module-remove! (ly:outputter-module outputter) 'paper))
164 (if (ly:get-option 'svg-woff)
165 (dump (woff-header paper (dirname filename))))
166 (ly:outputter-output-scheme outputter
167 `(begin (set! lily-unit-length ,unit-length)
169 (ly:outputter-dump-stencil outputter stencil)
171 (ly:outputter-close outputter)))
174 (define (output-framework basename book scopes fields)
175 (let* ((paper (ly:paper-book-paper book))
176 (page-stencils (map page-stencil (ly:paper-book-pages book)))
177 (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
178 (page-count (length page-stencils))
180 (file-suffix (lambda (num)
181 (if (= page-count 1) "" (format "-page-~a" num)))))
184 (set! page-number (1+ page-number))
185 (set! filename (format "~a~a.svg"
187 (file-suffix page-number)))
188 (dump-page paper filename page page-number page-count))
191 (define (output-preview-framework basename book scopes fields)
192 (let* ((paper (ly:paper-book-paper book))
193 (systems (relevant-book-systems book))
194 (to-dump-systems (relevant-dump-systems systems)))
196 (stack-stencils Y DOWN 0.0
197 (map paper-system-stencil
198 (reverse to-dump-systems)))
199 (format "~a.preview.svg" basename))))