1 files changed, 176 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/GraphicDescriptorTest.cxx b/vcl/qa/cppunit/GraphicDescriptorTest.cxx
new file mode 100644
index 000000000..c86d95ede
--- /dev/null
+++ b/vcl/qa/cppunit/GraphicDescriptorTest.cxx
@@ -0,0 +1,176 @@
+/* -*- 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 <unotest/bootstrapfixturebase.hxx>
+
+#include <cppunit/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+
+#include <vcl/graphicfilter.hxx>
+#include <tools/stream.hxx>
+
+using namespace css;
+
+namespace
+{
+class GraphicDescriptorTest : public test::BootstrapFixtureBase
+{
+    OUString getFullUrl(std::u16string_view sFileName)
+    {
+        return m_directories.getURLFromSrc(u"/vcl/qa/cppunit/data/") + sFileName;
+    }
+    void testDetectPNG();
+    void testDetectJPG();
+    void testDetectGIF();
+    void testDetectTIF();
+    void testDetectBMP();
+    void testDetectWEBP();
+    void testDetectEMF();
+
+    CPPUNIT_TEST_SUITE(GraphicDescriptorTest);
+    CPPUNIT_TEST(testDetectPNG);
+    CPPUNIT_TEST(testDetectJPG);
+    CPPUNIT_TEST(testDetectGIF);
+    CPPUNIT_TEST(testDetectTIF);
+    CPPUNIT_TEST(testDetectBMP);
+    CPPUNIT_TEST(testDetectWEBP);
+    CPPUNIT_TEST(testDetectEMF);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+BitmapEx createBitmap()
+{
+    Bitmap aBitmap(Size(100, 100), vcl::PixelFormat::N24_BPP);
+    aBitmap.Erase(COL_LIGHTRED);
+
+    return BitmapEx(aBitmap);
+}
+
+void createBitmapAndExportForType(SvStream& rStream, std::u16string_view sType)
+{
+    BitmapEx aBitmapEx = createBitmap();
+
+    uno::Sequence<beans::PropertyValue> aFilterData;
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+    sal_uInt16 nFilterFormat = rGraphicFilter.GetExportFormatNumberForShortName(sType);
+    rGraphicFilter.ExportGraphic(aBitmapEx, u"none", rStream, nFilterFormat, &aFilterData);
+
+    rStream.Seek(STREAM_SEEK_TO_BEGIN);
+}
+
+void GraphicDescriptorTest::testDetectPNG()
+{
+    SvMemoryStream aStream;
+    createBitmapAndExportForType(aStream, u"png");
+
+    GraphicDescriptor aDescriptor(aStream, nullptr);
+    aDescriptor.Detect(true);
+
+    CPPUNIT_ASSERT_EQUAL(GraphicFileFormat::PNG, aDescriptor.GetFileFormat());
+
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Height());
+}
+
+void GraphicDescriptorTest::testDetectJPG()
+{
+    SvMemoryStream aStream;
+    createBitmapAndExportForType(aStream, u"jpg");
+
+    GraphicDescriptor aDescriptor(aStream, nullptr);
+    aDescriptor.Detect(true);
+
+    CPPUNIT_ASSERT_EQUAL(GraphicFileFormat::JPG, aDescriptor.GetFileFormat());
+
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Height());
+}
+
+void GraphicDescriptorTest::testDetectGIF()
+{
+    SvMemoryStream aStream;
+    createBitmapAndExportForType(aStream, u"gif");
+
+    GraphicDescriptor aDescriptor(aStream, nullptr);
+    aDescriptor.Detect(true);
+
+    CPPUNIT_ASSERT_EQUAL(GraphicFileFormat::GIF, aDescriptor.GetFileFormat());
+
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Height());
+}
+
+void GraphicDescriptorTest::testDetectTIF()
+{
+    SvMemoryStream aStream;
+    createBitmapAndExportForType(aStream, u"tif");
+
+    GraphicDescriptor aDescriptor(aStream, nullptr);
+    aDescriptor.Detect(true);
+
+    CPPUNIT_ASSERT_EQUAL(GraphicFileFormat::TIF, aDescriptor.GetFileFormat());
+
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Height());
+}
+
+void GraphicDescriptorTest::testDetectBMP()
+{
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+    SvFileStream aFileStream(getFullUrl(u"graphic-descriptor-mapmode.bmp"), StreamMode::READ);
+
+    Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aFileStream);
+
+    CPPUNIT_ASSERT(!aGraphic.isAvailable());
+    // Without the accompanying fix in place, this test would have failed with:
+    // - Expected: 2 (MapUnit::MapMM)
+    // - Actual  : 0 (MapUnit::Map100thMM)
+    // i.e. lazy load and load created different map modes, breaking the contour polygon code in
+    // Writer.
+    CPPUNIT_ASSERT_EQUAL(MapUnit::MapMM, aGraphic.GetPrefMapMode().GetMapUnit());
+    aGraphic.makeAvailable();
+    CPPUNIT_ASSERT_EQUAL(MapUnit::MapMM, aGraphic.GetPrefMapMode().GetMapUnit());
+}
+
+void GraphicDescriptorTest::testDetectWEBP()
+{
+    SvMemoryStream aStream;
+    createBitmapAndExportForType(aStream, u"webp");
+
+    GraphicDescriptor aDescriptor(aStream, nullptr);
+    aDescriptor.Detect(true);
+
+    CPPUNIT_ASSERT_EQUAL(GraphicFileFormat::WEBP, aDescriptor.GetFileFormat());
+
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(tools::Long(100), aDescriptor.GetSizePixel().Height());
+}
+
+void GraphicDescriptorTest::testDetectEMF()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.emf"), StreamMode::READ);
+    GraphicDescriptor aDescriptor(aFileStream, nullptr);
+    aDescriptor.Detect(true);
+    CPPUNIT_ASSERT_EQUAL(GraphicFileFormat::EMF, aDescriptor.GetFileFormat());
+    // Test that Bounds/Frame values are fetched from header
+    CPPUNIT_ASSERT_EQUAL(tools::Long(142), aDescriptor.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(tools::Long(142), aDescriptor.GetSizePixel().Height());
+    CPPUNIT_ASSERT_EQUAL(tools::Long(300), aDescriptor.GetSize_100TH_MM().Width());
+    CPPUNIT_ASSERT_EQUAL(tools::Long(300), aDescriptor.GetSize_100TH_MM().Height());
+}
+
+} // namespace
+
+CPPUNIT_TEST_SUITE_REGISTRATION(GraphicDescriptorTest);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */