commit 4d0e2203d1ccceb4a742b02c267e613b50ca9370
author Xisco Fauli <xiscofauli@libreoffice.org> Mon Oct 23 11:19:33 2023 +0200
committer Xisco Fauli <xiscofauli@libreoffice.org> Mon Oct 23 15:28:07 2023 +0200
tree 7bcd9500d56fd3f9cb00bd38557560bf52b4a9a4
parent 4648764378f42df7dee4a4cf7d1614ee64e1d1a3

tdf#157793: sd_png_export: Add unittest

Change-Id: I9a602a5da35146c103b7c21a00067f80f4922ac2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/158341
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>

sd/qa/unit/PNGExportTests.cxx

diff --git a/sd/qa/unit/PNGExportTests.cxx b/sd/qa/unit/PNGExportTests.cxx
index a5b705c..af48ecb 100644
--- a/sd/qa/unit/PNGExportTests.cxx
+++ b/sd/qa/unit/PNGExportTests.cxx
@@ -401,6 +401,57 @@ CPPUNIT_TEST_FIXTURE(SdPNGExportTest, testTdf157636)
    CPPUNIT_ASSERT_GREATER(6600, nBlackCount);
}

CPPUNIT_TEST_FIXTURE(SdPNGExportTest, testTdf157793)
{
    loadFromURL(u"pptx/tdf157793.pptx");
    uno::Reference<uno::XComponentContext> xContext = getComponentContext();
    CPPUNIT_ASSERT(xContext.is());
    uno::Reference<drawing::XGraphicExportFilter> xGraphicExporter
        = drawing::GraphicExportFilter::create(xContext);

    uno::Sequence<beans::PropertyValue> aFilterData{
        comphelper::makePropertyValue("PixelWidth", sal_Int32(100)),
        comphelper::makePropertyValue("PixelHeight", sal_Int32(100))
    };

    uno::Sequence<beans::PropertyValue> aDescriptor{
        comphelper::makePropertyValue("URL", maTempFile.GetURL()),
        comphelper::makePropertyValue("FilterName", OUString("PNG")),
        comphelper::makePropertyValue("FilterData", aFilterData)
    };

    uno::Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier(mxComponent, uno::UNO_QUERY);
    uno::Reference<lang::XComponent> xPage(xDrawPagesSupplier->getDrawPages()->getByIndex(0),
                                           uno::UNO_QUERY);
    xGraphicExporter->setSourceDocument(xPage);
    xGraphicExporter->filter(aDescriptor);

    SvFileStream aFileStream(maTempFile.GetURL(), StreamMode::READ);
    vcl::PngImageReader aPNGReader(aFileStream);
    BitmapEx aBMPEx = aPNGReader.read();

    // make sure the bitmap is not empty and correct size (PNG export->import was successful)
    Size aSize = aBMPEx.GetSizePixel();
    CPPUNIT_ASSERT_EQUAL(Size(100, 100), aSize);
    Bitmap aBMP = aBMPEx.GetBitmap();
    Bitmap::ScopedReadAccess pReadAccess(aBMP);
    int nLightGrayCount = 0;
    for (tools::Long nX = 1; nX < aSize.Width() - 1; ++nX)
    {
        for (tools::Long nY = 1; nY < aSize.Height() - 1; ++nY)
        {
            const Color aColor = pReadAccess->GetColor(nY, nX);
            if (aColor == 0xfefefe)
                ++nLightGrayCount;
        }
    }

    // Without the fix in place, this test would have failed with
    // - Expected greater than: 8500
    // - Actual  : 0
    CPPUNIT_ASSERT_GREATER(8500, nLightGrayCount);
}

CPPUNIT_TEST_FIXTURE(SdPNGExportTest, testTdf157635)
{
    loadFromURL(u"pptx/tdf157635.pptx");

sd/qa/unit/data/pptx/tdf157793.pptx

diff --git a/sd/qa/unit/data/pptx/tdf157793.pptx b/sd/qa/unit/data/pptx/tdf157793.pptx
new file mode 100644
index 0000000..b1c4f20
--- /dev/null
+++ b/sd/qa/unit/data/pptx/tdf157793.pptx
Binary files differ