From c61673e35aa56624471bffb0b91767b3d54cbbde Mon Sep 17 00:00:00 2001
From: takahashim <maki@rubycolor.org>
Date: Sun, 28 Jun 2015 19:05:35 +0900
Subject: [PATCH] EPUBMaker: support new param "direction" in config.yml to
 define page-progression-direction in EPUB3

---
 lib/epubmaker/epubv3.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/epubmaker/epubv3.rb b/lib/epubmaker/epubv3.rb
index 8455f1717..920c3932a 100644
--- a/lib/epubmaker/epubv3.rb
+++ b/lib/epubmaker/epubv3.rb
@@ -155,7 +155,11 @@ def opf_tocx
       end
 
       s = ""
-      s << %Q[  <spine>\n]
+      if @producer.params["direction"]
+        s << %Q[  <spine page-progression-direction="#{@producer.params["direction"]}">\n]
+      else
+        s << %Q[  <spine>\n]
+      end
       s << %Q[    <itemref idref="#{@producer.params["bookname"]}" linear="#{cover_linear}"/>\n]
       s << %Q[    <itemref idref="#{@producer.params["bookname"]}-toc.#{@producer.params["htmlext"]}" />\n] if @producer.params["toc"]