sd: move png export tests to their own file

in preparation for a follow-up test for tdf#123973

Change-Id: Iadedff75c42fa24390602a6eb914027157b53029
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128979
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>

1 files changed, 223 insertions, 0 deletions

diff --git a/sd/qa/unit/PNGExportTests.cxx b/sd/qa/unit/PNGExportTests.cxx
new file mode 100644
index 000000000000..7e7d984f0fcb
--- /dev/null
+++ b/sd/qa/unit/PNGExportTests.cxx
@@ -0,0 +1,223 @@
+
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <config_poppler.h>
+#include <memory>
+#include <ostream>
+#include <sdpage.hxx>
+#include "sdmodeltestbase.hxx"
+
+#include <com/sun/star/drawing/GraphicExportFilter.hpp>
+#include <com/sun/star/frame/Desktop.hpp>
+#include <comphelper/propertyvalue.hxx>
+#include <vcl/BitmapReadAccess.hxx>
+#include <vcl/filter/PngImageReader.hxx>
+
+class SdPNGExportTest : public SdModelTestBase
+{
+protected:
+    uno::Reference<lang::XComponent> mxComponent;
+
+public:
+    virtual void setUp() override;
+    virtual void tearDown() override;
+};
+
+void SdPNGExportTest::setUp()
+{
+    test::BootstrapFixture::setUp();
+
+    mxDesktop.set(frame::Desktop::create(mxComponentContext));
+}
+
+void SdPNGExportTest::tearDown()
+{
+    if (mxComponent.is())
+        mxComponent->dispose();
+
+    test::BootstrapFixture::tearDown();
+}
+
+CPPUNIT_TEST_FIXTURE(SdPNGExportTest, testTdf113163)
+{
+    mxComponent
+        = loadFromDesktop(m_directories.getURLFromSrc(u"/sd/qa/unit/data/pptx/tdf113163.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))
+    };
+
+    utl::TempFile aTempFile;
+    aTempFile.EnableKillingFile();
+
+    uno::Sequence<beans::PropertyValue> aDescriptor{
+        comphelper::makePropertyValue("URL", aTempFile.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(aTempFile.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);
+        for (tools::Long nX = 1; nX < aSize.Width() - 1; ++nX)
+        {
+            for (tools::Long nY = 1; nY < aSize.Height() - 1; ++nY)
+            {
+                // Check all pixels in the image are black
+                // Without the fix in place, this test would have failed with
+                // - Expected: 0
+                // - Actual  : 16777215
+                const Color aColor = pReadAccess->GetColor(nX, nY);
+                CPPUNIT_ASSERT_EQUAL(COL_BLACK, aColor);
+            }
+        }
+    }
+}
+
+CPPUNIT_TEST_FIXTURE(SdPNGExportTest, testTdf93124)
+{
+    mxComponent
+        = loadFromDesktop(m_directories.getURLFromSrc(u"/sd/qa/unit/data/ppt/tdf93124.ppt"));
+    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(320)),
+        comphelper::makePropertyValue("PixelHeight", sal_Int32(180))
+    };
+
+    utl::TempFile aTempFile;
+    aTempFile.EnableKillingFile();
+
+    uno::Sequence<beans::PropertyValue> aDescriptor{
+        comphelper::makePropertyValue("URL", aTempFile.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(aTempFile.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)
+    CPPUNIT_ASSERT_EQUAL(Size(320, 180), aBMPEx.GetSizePixel());
+    Bitmap aBMP = aBMPEx.GetBitmap();
+    {
+        Bitmap::ScopedReadAccess pReadAccess(aBMP);
+        int nNonWhiteCount = 0;
+        // The word "Top" should be in rectangle 34,4 - 76,30. If text alignment is wrong, the rectangle will be white.
+        for (tools::Long nY = 4; nY < (4 + 26); ++nY)
+        {
+            for (tools::Long nX = 34; nX < (34 + 43); ++nX)
+            {
+                const Color aColor = pReadAccess->GetColor(nY, nX);
+                if ((aColor.GetRed() != 0xff) || (aColor.GetGreen() != 0xff)
+                    || (aColor.GetBlue() != 0xff))
+                    ++nNonWhiteCount;
+            }
+        }
+        CPPUNIT_ASSERT_MESSAGE("Tdf93124: vertical alignment of text is incorrect!",
+                               nNonWhiteCount > 50);
+    }
+}
+
+CPPUNIT_TEST_FIXTURE(SdPNGExportTest, testTdf99729)
+{
+    const OUString filenames[]
+        = { "/sd/qa/unit/data/odp/tdf99729-new.odp", "/sd/qa/unit/data/odp/tdf99729-legacy.odp" };
+    int nonwhitecounts[] = { 0, 0 };
+    for (size_t i = 0; i < SAL_N_ELEMENTS(filenames); ++i)
+    {
+        // 1st check for new behaviour - having AnchoredTextOverflowLegacy compatibility flag set to false in settings.xml
+        mxComponent = loadFromDesktop(m_directories.getURLFromSrc(filenames[i]),
+                                      "com.sun.star.presentation.PresentationDocument");
+
+        uno::Reference<uno::XComponentContext> xContext = getComponentContext();
+        CPPUNIT_ASSERT(xContext.is());
+        uno::Reference<drawing::XGraphicExportFilter> xGraphicExporter
+            = drawing::GraphicExportFilter::create(xContext);
+        CPPUNIT_ASSERT(xGraphicExporter.is());
+
+        uno::Sequence<beans::PropertyValue> aFilterData{
+            comphelper::makePropertyValue("PixelWidth", sal_Int32(320)),
+            comphelper::makePropertyValue("PixelHeight", sal_Int32(240))
+        };
+
+        utl::TempFile aTempFile;
+        aTempFile.EnableKillingFile();
+
+        uno::Sequence<beans::PropertyValue> aDescriptor{
+            comphelper::makePropertyValue("URL", aTempFile.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);
+        CPPUNIT_ASSERT(xPage.is());
+        xGraphicExporter->setSourceDocument(xPage);
+        xGraphicExporter->filter(aDescriptor);
+
+        SvFileStream aFileStream(aTempFile.GetURL(), StreamMode::READ);
+        vcl::PngImageReader aPNGReader(aFileStream);
+        BitmapEx aBMPEx = aPNGReader.read();
+        Bitmap aBMP = aBMPEx.GetBitmap();
+        Bitmap::ScopedReadAccess pRead(aBMP);
+        for (tools::Long nX = 154; nX < (154 + 12); ++nX)
+        {
+            for (tools::Long nY = 16; nY < (16 + 96); ++nY)
+            {
+                const Color aColor = pRead->GetColor(nY, nX);
+                if ((aColor.GetRed() != 0xff) || (aColor.GetGreen() != 0xff)
+                    || (aColor.GetBlue() != 0xff))
+                    ++nonwhitecounts[i];
+            }
+        }
+        mxComponent->dispose();
+    }
+    // The numbers 1-9 should be above the Text Box in rectangle 154,16 - 170,112.
+    // If text alignment is wrong, the rectangle will be white.
+    CPPUNIT_ASSERT_MESSAGE("Tdf99729: vertical alignment of text is incorrect!",
+                           nonwhitecounts[0] > 100); // it is 134 with cleartype disabled
+    // The numbers 1-9 should be below the Text Box -> rectangle 154,16 - 170,112 should be white.
+    CPPUNIT_ASSERT_EQUAL_MESSAGE("Tdf99729: legacy vertical alignment of text is incorrect!", 0,
+                                 nonwhitecounts[1]);
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();