Hello,
This patch (mostly) addresses the third point for this issue:
http://code.google.com/p/lilypond/issues/detail?id=755
With this patch, the only grouping tags left in the SVG output are for
-- single pages for <page> and <pageSet> in multiple-page scores
-- single pages in order to scale them
-- rotated or colored grobs and text
I plan to address these issues, too (eventually).
If there is a simpler way to accomplish what this patch implements, I
would be happy to revise it.
Thanks,
Patrick
>From 730c0d995d25216ae5bdafb6c46a7a1da29cadd5 Mon Sep 17 00:00:00 2001
From: Patrick McCarty <pnor...@gmail.com>
Date: Tue, 5 May 2009 12:21:52 -0700
Subject: [PATCH] SVG backend: In `placebox', do not group elements
* Avoid using <g>...</g> around all grobs and Pango
text except for rotated or colored objects. This
makes SVG editing easier (with Inkscape, etc.)
Signed-off-by: Patrick McCarty <pnor...@gmail.com>
---
scm/output-svg.scm | 27 +++++++++++++++++----------
1 files changed, 17 insertions(+), 10 deletions(-)
diff --git a/scm/output-svg.scm b/scm/output-svg.scm
index 716f0f1..f68a517 100644
--- a/scm/output-svg.scm
+++ b/scm/output-svg.scm
@@ -280,12 +280,19 @@
(ly:font-glyph-name-to-charcode font name))))))
(define (placebox x y expr)
- (entity 'g
- expr
- ;; FIXME: Not using GNU coding standards [translate ()] here
- ;; to work around a bug in Microsoft Internet Explorer 6.0
- `(transform . ,(ly:format "translate(~f, ~f)"
- x (- y)))))
+ (let*
+ ((regexp (make-regexp "^(<[a-z]+) (.*>)"))
+ (match (regexp-exec regexp expr))
+ (tagname (match:substring match 1))
+ (attributes (match:substring match 2)))
+
+ (string-append tagname
+ ;; FIXME: Not using GNU coding standards
+ ;; [translate ()] here to work around a
+ ;; bug in Microsoft Internet Explorer 6.0
+ (ly:format " transform=\"translate(~f, ~f)\" " x (- y))
+ attributes
+ "\n")))
(define (polygon coords blot-diameter is-filled)
(entity
@@ -301,13 +308,13 @@
;; rotate around given point
(define (setrotation ang x y)
- (format "<g transform=\"rotate(~a,~a,~a)\">"
+ (format "<g transform=\"rotate(~a,~a,~a)\">\n"
(number->string (* -1 ang))
(number->string x)
(number->string (* -1 y))))
(define (resetrotation ang x y)
- "</g>")
+ "</g>\n")
(define (round-filled-box breapth width depth height blot-diameter)
(entity 'rect ""
@@ -376,9 +383,9 @@
(define (setcolor r g b)
- (format "<g color=\"rgb(~a%,~a%,~a%)\">"
+ (format "<g color=\"rgb(~a%,~a%,~a%)\">\n"
(* 100 r) (* 100 g) (* 100 b)
))
(define (resetcolor)
- "</g>")
+ "</g>\n")
--
1.6.2.4
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