[Libreoffice-commits] core.git: external/libepubgen
Miklos Vajna
vmiklos at collabora.co.uk
Tue Oct 17 11:50:53 UTC 2017
external/libepubgen/libepubgen-epub3.patch.1 | 68 +++++++++++++++++++++++++++
1 file changed, 68 insertions(+)
New commits:
commit 7a72f593dada6a7b3231a599772aed8be7d5a62f
Author: Miklos Vajna <vmiklos at collabora.co.uk>
Date: Tue Oct 17 12:31:41 2017 +0200
EPUB export: fix handling of empty paragraphs
sw HTML export does work to avoid vertical collapsing of empty
(ODF) paragraphs, do the same for EPUB export.
Change-Id: I316a310178dd4aadbe3ed8548be23d64aabf5e47
Reviewed-on: https://gerrit.libreoffice.org/43451
Reviewed-by: Miklos Vajna <vmiklos at collabora.co.uk>
Tested-by: Jenkins <ci at libreoffice.org>
diff --git a/external/libepubgen/libepubgen-epub3.patch.1 b/external/libepubgen/libepubgen-epub3.patch.1
index 95ad47038ba9..98d4930c5f3f 100644
--- a/external/libepubgen/libepubgen-epub3.patch.1
+++ b/external/libepubgen/libepubgen-epub3.patch.1
@@ -2419,3 +2419,71 @@ index 5e53ee2..e25fa26 100644
--
2.12.3
+From 383f315b067e9fc1aa840913c581e7451949c2db Mon Sep 17 00:00:00 2001
+From: Miklos Vajna <vmiklos at collabora.co.uk>
+Date: Tue, 17 Oct 2017 12:21:26 +0200
+Subject: [PATCH] EPUBHTMLGenerator: better handling of empty paragraphs
+
+The ODF/librevenge concept is that empty paragraphs still take their
+vertical space, i.e. inserting lots of them is a (poor) equivalent of a
+page break.
+
+HTML collapses empty paragraphs by default, so empty paragraphs need
+some content to preserve this effect. Do the same trick what LibreOffice
+Writer does: if the text has no content, add a <br/> element inside the
+paragraph.
+---
+ src/lib/EPUBHTMLGenerator.cpp | 8 ++++++++
+ src/test/EPUBTextGeneratorTest.cpp | 15 +++++++++++++++
+ 2 files changed, 23 insertions(+)
+
+diff --git a/src/lib/EPUBHTMLGenerator.cpp b/src/lib/EPUBHTMLGenerator.cpp
+index f3b30a6..d822571 100644
+--- a/src/lib/EPUBHTMLGenerator.cpp
++++ b/src/lib/EPUBHTMLGenerator.cpp
+@@ -362,6 +362,7 @@ struct EPUBHTMLGeneratorImpl
+ , m_stylesheetPath(stylesheetPath)
+ , m_actualPage(0)
+ , m_ignore(false)
++ , m_hasText(false)
+ , m_frameAnchorTypes()
+ , m_stylesMethod(stylesMethod)
+ , m_actualSink()
+@@ -449,6 +450,8 @@ struct EPUBHTMLGeneratorImpl
+
+ int m_actualPage;
+ bool m_ignore;
++ /// Does the currently opened paragraph have some text?
++ bool m_hasText;
+
+ std::stack<std::string> m_frameAnchorTypes;
+
+@@ -595,6 +598,7 @@ void EPUBHTMLGenerator::openParagraph(const RVNGPropertyList &propList)
+ break;
+ }
+ m_impl->output(false).openElement("p", attrs);
++ m_impl->m_hasText = false;
+ }
+
+ void EPUBHTMLGenerator::closeParagraph()
+@@ -602,6 +606,9 @@ void EPUBHTMLGenerator::closeParagraph()
+ if (m_impl->m_ignore)
+ return;
+
++ if (!m_impl->m_hasText)
++ insertLineBreak();
++
+ m_impl->output().closeElement("p");
+ }
+
+@@ -694,6 +701,7 @@ void EPUBHTMLGenerator::insertText(const RVNGString &text)
+ if (m_impl->m_ignore)
+ return;
+ m_impl->output().insertCharacters(text);
++ m_impl->m_hasText = true;
+ }
+
+ void EPUBHTMLGenerator::insertSpace()
+--
+2.12.3
+
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