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DOCX export: make sure a graphic is only written once

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Even if it's referenced multiple times, because of mc:AlternateContent.

Change-Id: Ie4cb0ec088d12be5421bac43113c8ae4636028e0
This commit is contained in:
Miklos Vajna 2014-02-21 12:57:57 +01:00
parent 3f6df3835f
commit 32ada80a9f
4 changed files with 25 additions and 3 deletions
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sw/qa/extras/ooxmlexport/data/dml-picture-in-textframe.docx Executable file
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11
sw/qa/extras/ooxmlexport/ooxmlexport.cxx
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@ -2307,6 +2307,17 @@ DECLARE_OOXMLEXPORT_TEST(testDmlShapeRelsize, "dml-shape-relsize.docx")
assertXPath(pXmlDoc, "/w:document/w:body/w:p/w:r/mc:AlternateContent/mc:Choice/w:drawing/wp:anchor/wp14:sizeRelH", "relativeFrom", "margin");
}
DECLARE_OOXMLEXPORT_TEST(testDmlPictureInTextframe, "dml-picture-in-textframe.docx")
{
if (!m_bExported)
return;
uno::Reference<packages::zip::XZipFileAccess2> xNameAccess = packages::zip::ZipFileAccess::createWithURL(comphelper::getComponentContext(m_xSFactory), m_aTempFile.GetURL());
CPPUNIT_ASSERT_EQUAL(true, bool(xNameAccess->hasByName("word/media/image1.gif")));
// This was also true, image was written twice.
CPPUNIT_ASSERT_EQUAL(false, bool(xNameAccess->hasByName("word/media/image2.gif")));
}
DECLARE_OOXMLEXPORT_TEST(testDmlGroupshapeRelsize, "dml-groupshape-relsize.docx")
{
xmlDocPtr pXmlDoc = parseExport("word/document.xml");

14
sw/source/filter/ww8/docxattributeoutput.cxx
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@ -3020,10 +3020,18 @@ void DocxAttributeOutput::FlyFrameGraphic( const SwGrfNode* pGrfNode, const Size
else
pGraphic = pOLENode->GetGraphic();
m_rDrawingML.SetFS( m_pSerializer ); // to be sure that we write to the right stream
OUString aImageId = m_rDrawingML.WriteImage( *pGraphic );
if (m_aRelIdCache.find(pGraphic) != m_aRelIdCache.end())
// We already have a RelId for this Graphic.
aRelId = m_aRelIdCache[pGraphic];
else
{
// Not in cache, then need to write it.
m_rDrawingML.SetFS( m_pSerializer ); // to be sure that we write to the right stream
OUString aImageId = m_rDrawingML.WriteImage( *pGraphic );
aRelId = OUStringToOString( aImageId, RTL_TEXTENCODING_UTF8 );
aRelId = OUStringToOString( aImageId, RTL_TEXTENCODING_UTF8 );
m_aRelIdCache[pGraphic] = aRelId;
}
nImageType = XML_embed;
}

3
sw/source/filter/ww8/docxattributeoutput.hxx
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@ -824,6 +824,9 @@ private:
bool m_setFootnote;
/// RelId <-> Graphic* cache, so that in case of alternate content, the same graphic only gets written once.
std::map<const Graphic*, OString> m_aRelIdCache;
public:
DocxAttributeOutput( DocxExport &rExport, ::sax_fastparser::FSHelperPtr pSerializer, oox::drawingml::DrawingML* pDrawingML );