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tdf#105536: PDF image should be v-flipped unconditionally

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Unit test included

Change-Id: Id0d054a6b9922666daf4f36908f97ed6e65fb6c7
Reviewed-on: https://gerrit.libreoffice.org/33649
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
This commit is contained in:
Mike Kaganski
2017-01-28 17:46:43 +03:00
parent d817456fb0
commit 62c063de37
3 changed files with 21 additions and 2 deletions
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sdext/source/pdfimport/test/testTdf105536.pdf Normal file
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15
sdext/source/pdfimport/test/tests.cxx
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@@ -522,12 +522,27 @@ namespace
CPPUNIT_ASSERT(aOutput.indexOf("svg:height=\"-262.82mm\"") != -1);
}
void testTdf105536()
{
rtl::Reference<pdfi::PDFIRawAdaptor> xAdaptor(new pdfi::PDFIRawAdaptor(OUString(), getComponentContext()));
xAdaptor->setTreeVisitorFactory(createDrawTreeVisitorFactory());
OString aOutput;
CPPUNIT_ASSERT_MESSAGE("Exporting to ODF",
xAdaptor->odfConvert(m_directories.getURLFromSrc("/sdext/source/pdfimport/test/testTdf105536.pdf"),
new OutputWrapString(aOutput),
nullptr));
// This ensures that the imported image arrives properly flipped
CPPUNIT_ASSERT(aOutput.indexOf("draw:transform=\"matrix(-21488.4 0 0 -27978.1 21488.4 27978.1)\"") != -1);
}
CPPUNIT_TEST_SUITE(PDFITest);
CPPUNIT_TEST(testXPDFParser);
CPPUNIT_TEST(testOdfWriterExport);
CPPUNIT_TEST(testOdfDrawExport);
CPPUNIT_TEST(testTdf96993);
CPPUNIT_TEST(testTdf98421);
CPPUNIT_TEST(testTdf105536);
CPPUNIT_TEST_SUITE_END();
};

8
sdext/source/pdfimport/tree/pdfiprocessor.cxx
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@@ -349,8 +349,12 @@ void PDFIProcessor::setupImage(ImageId nImage)
pFrame->h = pImageElement->h = aScale.getY();
pFrame->ZOrder = m_nNextZOrder++;
if (aScale.getY() < 0)
pFrame->MirrorVertical = pImageElement->MirrorVertical = true;
// Poppler wrapper takes into account that vertical axes of PDF and ODF are opposite,
// and it flips matrix vertically (see poppler's GfxState::GfxState()).
// But image internal vertical axis is independent of PDF vertical axis direction,
// so arriving matrix is extra-flipped relative to image.
// We force vertical flip here to compensate that.
pFrame->MirrorVertical = true;
}
void PDFIProcessor::drawMask(const uno::Sequence<beans::PropertyValue>& xBitmap,