-;;;; framework-svg.scm --
+;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; source file of the GNU LilyPond music typesetter
-;;;;
-;;;; (c) 2004 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/
+;;;; http://www.w3.org/TR/SVGTiny12/
+;;;;
+;;;; Working draft:
+;;;; http://www.w3.org/TR/SVGPrint/ -- for <pageSet> and <page>
+
+;;;; TODO:
+;;;; * Once <pageSet> and <page> are supported by Inkscape and
+;;;; other user agents, add a -d option (-dsvg-multiple-page)
+;;;; that will create a single SVG file containing all pages
+;;;; of output. --pmccarty
(define-module (scm framework-svg))
-(use-modules (guile) (lily))
-(use-modules (srfi srfi-2) (ice-9 regex))
+(use-modules
+ (guile)
+ (lily)
+ (scm page)
+ (scm paper-system)
+ (scm output-svg)
+ (srfi srfi-1)
+ (srfi srfi-2)
+ (srfi srfi-13)
+ (ice-9 regex))
-;; FIXME: 0.62 to get paper size right
-(define output-scale (* 0.62 scale-to-unit))
+(define format ergonomic-simple-format)
-(define-public (output-framework outputter book scopes fields basename)
- (let* ((paper (ly:paper-book-paper book))
- (pages (ly:paper-book-pages book))
- (landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
- (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
- (page-count (length pages))
- (hsize (ly:output-def-lookup paper 'hsize))
- (vsize (ly:output-def-lookup paper 'vsize))
- (page-width (inexact->exact (ceiling (* output-scale hsize))))
- (page-height (inexact->exact (ceiling (* output-scale vsize)))))
+(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)))))
+
+(define (svg-end)
+ (ec 'svg))
- (ly:outputter-dump-string outputter xml-header)
- (ly:outputter-dump-string
- outputter
- (comment "Created with GNU LilyPond (http://lilypond.org)"))
- (ly:outputter-dump-string
- outputter (format #f "<svg id='svg1' width='~smm' height='~smm'>\n"
- page-width page-height))
- (ly:outputter-dump-string
- outputter "<g transform='translate (10, 10) scale (1)'>\n")
-
-; (for-each
-; (lambda (x)
-; (ly:outputter-dump-string outputter x))
-; (cons
-; (page-header paper page-count)
-; (preamble paper)))
-
- (for-each
- (lambda (page)
- (set! page-number (1+ page-number))
- (dump-page outputter page page-number page-count landscape?))
- pages)
- (ly:outputter-dump-string outputter "\n</g>\n</svg>\n")))
+(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))))
+ (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)))
-(define (comment s)
- (string-append "<!-- " s " !-->\n"))
+ (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)
+ ""))
+ (ly:outputter-dump-stencil outputter page)
+ (dump (svg-end))
+ (ly:outputter-close outputter)))
-;; FIXME: gulp from file
-(define xml-header
- "<?xml version='1.0' encoding='UTF-8' standalone='no'?>
-<!DOCTYPE svg PUBLIC '-//W3C//DTD SVG 20010904//EN'
-'http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd'>
-")
+(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)))
-(define (dump-page outputter page page-number page-count landscape?)
- (ly:outputter-dump-string
- outputter
- (string-append
- (comment (format #f "Page: ~S/~S" page-number page-count))
- ;;(format #f "<g transform='translate (0, ~f)'>\n" (* output-scale y))))
- "<g>\n"))
+ (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)))
- ;; FIXME:landscape
- (ly:outputter-dump-stencil outputter page)
- (ly:outputter-dump-string
- outputter
- (string-append
- (comment (format #f "End Page ~S/~S" page-number page-count))
- "</g>\n")))
+(define (output-framework basename book scopes fields)
+ (let* ((paper (ly:paper-book-paper book))
+ (page-stencils (map page-stencil (ly:paper-book-pages book)))
+ (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
+ (page-count (length page-stencils))
+ (filename "")
+ (file-suffix (lambda (num)
+ (if (= page-count 1) "" (format "-page-~a" num)))))
+ (for-each
+ (lambda (page)
+ (set! page-number (1+ page-number))
+ (set! filename (format "~a~a.svg"
+ basename
+ (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