tdf#141171: vcl_pdfexport: Add unittest
Change-Id: Ic577103b84afc97dfe9042b3b0a20988b8083e54
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112974
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
Tested-by: Jenkins
diff --git a/vcl/qa/cppunit/pdfexport/data/tdf141171.odt b/vcl/qa/cppunit/pdfexport/data/tdf141171.odt
new file mode 100644
index 0000000..951f695
--- /dev/null
+++ b/vcl/qa/cppunit/pdfexport/data/tdf141171.odt
Binary files differ
diff --git a/vcl/qa/cppunit/pdfexport/pdfexport.cxx b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
index 1074e0d..75832ec 100644
--- a/vcl/qa/cppunit/pdfexport/pdfexport.cxx
+++ b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
@@ -1813,6 +1813,61 @@
CPPUNIT_ASSERT_EQUAL(COL_BLACK, aBitmap.GetPixelColor(199, 299));
}
CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf141171)
{
vcl::filter::PDFDocument aDocument;
load(u"tdf141171.odt", aDocument);
// The document has one page.
std::vector<vcl::filter::PDFObjectElement*> aPages = aDocument.GetPages();
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), aPages.size());
// Get access to the only image on the only page.
vcl::filter::PDFObjectElement* pResources = aPages[0]->LookupObject("Resources");
CPPUNIT_ASSERT(pResources);
auto pXObjects
= dynamic_cast<vcl::filter::PDFDictionaryElement*>(pResources->Lookup("XObject"));
CPPUNIT_ASSERT(pXObjects);
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), pXObjects->GetItems().size());
vcl::filter::PDFObjectElement* pXObject
= pXObjects->LookupObject(pXObjects->GetItems().begin()->first);
CPPUNIT_ASSERT(pXObject);
vcl::filter::PDFStreamElement* pStream = pXObject->GetStream();
CPPUNIT_ASSERT(pStream);
SvMemoryStream& rObjectStream = pStream->GetMemory();
// Load the embedded image.
rObjectStream.Seek(0);
GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
Graphic aGraphic;
sal_uInt16 format;
ErrCode bResult = rFilter.ImportGraphic(aGraphic, OUString("import"), rObjectStream,
GRFILTER_FORMAT_DONTKNOW, &format);
CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, bResult);
// The image should be grayscale 8bit JPEG.
sal_uInt16 jpegFormat = rFilter.GetImportFormatNumberForShortName(JPG_SHORTNAME);
CPPUNIT_ASSERT(jpegFormat != GRFILTER_FORMAT_NOTFOUND);
CPPUNIT_ASSERT_EQUAL(jpegFormat, format);
BitmapEx aBitmap = aGraphic.GetBitmapEx();
Size aSize = aBitmap.GetSizePixel();
CPPUNIT_ASSERT_EQUAL(tools::Long(878), aSize.Width());
CPPUNIT_ASSERT_EQUAL(tools::Long(127), aSize.Height());
CPPUNIT_ASSERT_EQUAL(8, int(aBitmap.GetBitCount()));
for (tools::Long nX = 0; nX < aSize.Width(); ++nX)
{
for (tools::Long nY = 0; nY < aSize.Height(); ++nY)
{
// Check all pixels in the image are white
// Without the fix in place, this test would have failed with
// - Expected: Color: R:255 G:255 B:255 A:0
// - Actual : Color: R:0 G:0 B:0 A:0
CPPUNIT_ASSERT_EQUAL(COL_WHITE, aBitmap.GetPixelColor(nX, nY));
}
}
}
CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf129085)
{
vcl::filter::PDFDocument aDocument;
