1 files changed, 105 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/GraphicNativeMetadataTest.cxx b/vcl/qa/cppunit/GraphicNativeMetadataTest.cxx
new file mode 100644
index 000000000..49bf55fa9
--- /dev/null
+++ b/vcl/qa/cppunit/GraphicNativeMetadataTest.cxx
@@ -0,0 +1,105 @@
+/* -*- 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 <string_view>
+
+#include <cppunit/TestAssert.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <unotest/bootstrapfixturebase.hxx>
+
+#include <vcl/GraphicNativeMetadata.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <tools/stream.hxx>
+
+using namespace css;
+
+namespace
+{
+class GraphicNativeMetadataTest : public test::BootstrapFixtureBase
+{
+    OUString getFullUrl(std::u16string_view sFileName)
+    {
+        return m_directories.getURLFromSrc(u"/vcl/qa/cppunit/data/") + sFileName;
+    }
+
+    void testReadFromGraphic();
+    void testExifRotationJpeg();
+
+    CPPUNIT_TEST_SUITE(GraphicNativeMetadataTest);
+    CPPUNIT_TEST(testReadFromGraphic);
+    CPPUNIT_TEST(testExifRotationJpeg);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+void GraphicNativeMetadataTest::testReadFromGraphic()
+{
+    SvFileStream aFileStream(getFullUrl(u"Exif1_180.jpg"), StreamMode::READ);
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+
+    // don't load the graphic, but try to get the metadata
+    Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aFileStream);
+
+    {
+        GraphicNativeMetadata aMetadata;
+        aMetadata.read(aFileStream);
+        CPPUNIT_ASSERT_EQUAL(sal_Int16(1800), aMetadata.getRotation().get());
+        // just the metadata shouldn't make the graphic available
+        CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable());
+    }
+
+    // now load, and it should still work the same
+    {
+        aGraphic.makeAvailable();
+        CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable());
+
+        GraphicNativeMetadata aMetadata;
+        aMetadata.read(aFileStream);
+        CPPUNIT_ASSERT_EQUAL(sal_Int16(1800), aMetadata.getRotation().get());
+    }
+}
+
+void GraphicNativeMetadataTest::testExifRotationJpeg()
+{
+    {
+        // No rotation in metadata
+        SvFileStream aFileStream(getFullUrl(u"Exif1.jpg"), StreamMode::READ);
+        GraphicNativeMetadata aMetadata;
+        aMetadata.read(aFileStream);
+        CPPUNIT_ASSERT_EQUAL(sal_Int16(0), aMetadata.getRotation().get());
+    }
+    {
+        // Rotation 90 degree clock-wise = 270 degree counter-clock-wise
+        SvFileStream aFileStream(getFullUrl(u"Exif1_090CW.jpg"), StreamMode::READ);
+        GraphicNativeMetadata aMetadata;
+        aMetadata.read(aFileStream);
+        CPPUNIT_ASSERT_EQUAL(sal_Int16(2700), aMetadata.getRotation().get());
+    }
+    {
+        // Rotation 180 degree
+        SvFileStream aFileStream(getFullUrl(u"Exif1_180.jpg"), StreamMode::READ);
+        GraphicNativeMetadata aMetadata;
+        aMetadata.read(aFileStream);
+        CPPUNIT_ASSERT_EQUAL(sal_Int16(1800), aMetadata.getRotation().get());
+    }
+    {
+        // Rotation 270 degree clock-wise = 90 degree counter-clock-wise
+        SvFileStream aFileStream(getFullUrl(u"Exif1_270CW.jpg"), StreamMode::READ);
+        GraphicNativeMetadata aMetadata;
+        aMetadata.read(aFileStream);
+        CPPUNIT_ASSERT_EQUAL(sal_Int16(900), aMetadata.getRotation().get());
+    }
+}
+
+} // anonymous namespace
+
+CPPUNIT_TEST_SUITE_REGISTRATION(GraphicNativeMetadataTest);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */