-;;;; framework-svg.scm -- structure for SVG output
+;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; source file of the GNU LilyPond music typesetter
-;;;;
-;;;; (c) 2004--2009 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Copyright (C) 2004--2010 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Patrick McCarty <pnorcks@gmail.com>
+;;;;
+;;;; LilyPond is free software: you can redistribute it and/or modify
+;;;; it under the terms of the GNU General Public License as published by
+;;;; the Free Software Foundation, either version 3 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; LilyPond is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
;;;; Recommendations:
;;;; http://www.w3.org/TR/SVG11/
(guile)
(lily)
(scm page)
+ (scm paper-system)
(scm output-svg)
(srfi srfi-1)
(srfi srfi-2)
(define format ergonomic-simple-format)
-(define (svg-header paper unit-length)
- (let* ((lookup (lambda (x) (ly:output-def-lookup paper x)))
- (output-scale (* lily-unit->mm-factor unit-length))
- (paper-width (lookup 'paper-width))
- (paper-height (lookup 'paper-height))
- (page-width (* output-scale paper-width))
- (page-height (* output-scale paper-height)))
+(define (svg-begin . rest)
+ (eo 'svg
+ '(xmlns . "http://www.w3.org/2000/svg")
+ '(xmlns:xlink . "http://www.w3.org/1999/xlink")
+ '(version . "1.2")
+ `(width . ,(ly:format "~2fmm" (first rest)))
+ `(height . ,(ly:format "~2fmm" (second rest)))
+ `(viewBox . ,(ly:format "~4f ~4f ~4f ~4f"
+ (third rest) (fourth rest)
+ (fifth rest) (sixth rest)))))
- `((xmlns . "http://www.w3.org/2000/svg")
- (xmlns:xlink . "http://www.w3.org/1999/xlink")
- (version . "1.2")
- (width . ,(ly:format "~2fmm" page-width))
- (height . ,(ly:format "~2fmm" page-height))
- (viewBox . ,(ly:format "0 0 ~4f ~4f"
- paper-width paper-height)))))
+(define (svg-end)
+ (ec 'svg))
(define (dump-page paper filename page page-number page-count)
(let* ((outputter (ly:make-paper-outputter (open-file filename "wb") 'svg))
(dump (lambda (str) (display str (ly:outputter-port outputter))))
- (unit-length (ly:output-def-lookup paper 'output-scale)))
+ (lookup (lambda (x) (ly:output-def-lookup paper x)))
+ (unit-length (lookup 'output-scale))
+ (output-scale (* lily-unit->mm-factor unit-length))
+ (device-width (lookup 'paper-width))
+ (device-height (lookup 'paper-height))
+ (page-width (* output-scale device-width))
+ (page-height (* output-scale device-height)))
- (dump (apply eo 'svg (svg-header paper unit-length)))
+ (dump (svg-begin page-width page-height
+ 0 0 device-width device-height))
(dump (comment (format "Page: ~S/~S" page-number page-count)))
(ly:outputter-output-scheme outputter
- `(begin (set! lily-unit-length
- ,unit-length)
+ `(begin (set! lily-unit-length ,unit-length)
""))
(ly:outputter-dump-stencil outputter page)
- (dump (ec 'svg))
+ (dump (svg-end))
+ (ly:outputter-close outputter)))
+
+(define (dump-preview paper stencil filename)
+ (let* ((outputter (ly:make-paper-outputter (open-file filename "wb") 'svg))
+ (dump (lambda (str) (display str (ly:outputter-port outputter))))
+ (lookup (lambda (x) (ly:output-def-lookup paper x)))
+ (unit-length (lookup 'output-scale))
+ (x-extent (ly:stencil-extent stencil X))
+ (y-extent (ly:stencil-extent stencil Y))
+ (left-x (car x-extent))
+ (top-y (cdr y-extent))
+ (device-width (interval-length x-extent))
+ (device-height (interval-length y-extent))
+ (output-scale (* lily-unit->mm-factor unit-length))
+ (svg-width (* output-scale device-width))
+ (svg-height (* output-scale device-height)))
+
+ (dump (svg-begin svg-width svg-height
+ left-x (- top-y) device-width device-height))
+ (ly:outputter-output-scheme outputter
+ `(begin (set! lily-unit-length ,unit-length)
+ ""))
+ (ly:outputter-dump-stencil outputter stencil)
+ (dump (svg-end))
(ly:outputter-close outputter)))
+
(define (output-framework basename book scopes fields)
(let* ((paper (ly:paper-book-paper book))
(page-stencils (map page-stencil (ly:paper-book-pages book)))
(filename "")
(file-suffix (lambda (num)
(if (= page-count 1) "" (format "-page-~a" num)))))
-
(for-each
(lambda (page)
(set! page-number (1+ page-number))
(file-suffix page-number)))
(dump-page paper filename page page-number page-count))
page-stencils)))
+
+(define (output-preview-framework basename book scopes fields)
+ (let* ((paper (ly:paper-book-paper book))
+ (systems (relevant-book-systems book))
+ (to-dump-systems (relevant-dump-systems systems)))
+ (dump-preview paper
+ (stack-stencils Y DOWN 0.0
+ (map paper-system-stencil
+ (reverse to-dump-systems)))
+ (format "~a.preview.svg" basename))))
projects / lilypond.git / blobdiff