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| -rw-r--r-- | vcl/qa/cppunit/GraphicTest.cxx | 435 |
1 files changed, 435 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/GraphicTest.cxx b/vcl/qa/cppunit/GraphicTest.cxx new file mode 100644 index 000000000..6a70ba921 --- /dev/null +++ b/vcl/qa/cppunit/GraphicTest.cxx @@ -0,0 +1,435 @@ +/* -*- 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_oox.h> +#include <cppunit/TestAssert.h> +#include <cppunit/TestFixture.h> +#include <cppunit/extensions/HelperMacros.h> +#include <cppunit/plugin/TestPlugIn.h> + +#include <com/sun/star/beans/PropertyValue.hpp> + +#include <vcl/bitmapaccess.hxx> +#include <vcl/graph.hxx> +#include <vcl/graphicfilter.hxx> +#include <tools/stream.hxx> +#include <unotest/directories.hxx> +#include <comphelper/DirectoryHelper.hxx> +#include <comphelper/hash.hxx> +#include <unotools/ucbstreamhelper.hxx> + +#include <impgraph.hxx> + +#if USE_TLS_NSS +#include <nss.h> +#endif + +using namespace css; + +namespace +{ +class GraphicTest : public CppUnit::TestFixture +{ +public: + ~GraphicTest(); + +private: + void testUnloadedGraphic(); + void testUnloadedGraphicLoading(); + void testUnloadedGraphicWmf(); + void testUnloadedGraphicAlpha(); + void testUnloadedGraphicSizeUnit(); + void testSwapping(); + void testSwappingVectorGraphic(); + + CPPUNIT_TEST_SUITE(GraphicTest); + CPPUNIT_TEST(testUnloadedGraphic); + CPPUNIT_TEST(testUnloadedGraphicLoading); + CPPUNIT_TEST(testUnloadedGraphicWmf); + CPPUNIT_TEST(testUnloadedGraphicAlpha); + CPPUNIT_TEST(testUnloadedGraphicSizeUnit); + CPPUNIT_TEST(testSwapping); + CPPUNIT_TEST(testSwappingVectorGraphic); + CPPUNIT_TEST_SUITE_END(); +}; + +GraphicTest::~GraphicTest() +{ +#if USE_TLS_NSS + NSS_Shutdown(); +#endif +} + +BitmapEx createBitmap(bool alpha = false) +{ + Bitmap aBitmap(Size(120, 100), 24); + aBitmap.Erase(COL_LIGHTRED); + + aBitmap.SetPrefSize(Size(6000, 5000)); + aBitmap.SetPrefMapMode(MapMode(MapUnit::Map100thMM)); + + if (alpha) + { + sal_uInt8 uAlphaValue = 0x80; + AlphaMask aAlphaMask(Size(120, 100), &uAlphaValue); + + return BitmapEx(aBitmap, aAlphaMask); + } + else + { + return BitmapEx(aBitmap); + } +} + +void createBitmapAndExportForType(SvStream& rStream, OUString const& sType, bool alpha) +{ + BitmapEx aBitmapEx = createBitmap(alpha); + + uno::Sequence<beans::PropertyValue> aFilterData; + GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter(); + sal_uInt16 nFilterFormat = rGraphicFilter.GetExportFormatNumberForShortName(sType); + rGraphicFilter.ExportGraphic(aBitmapEx, "none", rStream, nFilterFormat, &aFilterData); + + rStream.Seek(STREAM_SEEK_TO_BEGIN); +} + +Graphic makeUnloadedGraphic(OUString const& sType, bool alpha = false) +{ + SvMemoryStream aStream; + GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter(); + createBitmapAndExportForType(aStream, sType, alpha); + return rGraphicFilter.ImportUnloadedGraphic(aStream); +} + +std::string toHexString(const std::vector<unsigned char>& a) +{ + std::stringstream aStrm; + for (auto& i : a) + { + aStrm << std::setw(2) << std::setfill('0') << std::hex << static_cast<int>(i); + } + + return aStrm.str(); +} + +std::unique_ptr<SvStream> createStream(OUString const& rSwapFileURL) +{ + std::unique_ptr<SvStream> xStream; + + try + { + xStream = ::utl::UcbStreamHelper::CreateStream( + rSwapFileURL, StreamMode::READWRITE | StreamMode::SHARE_DENYWRITE); + } + catch (const css::uno::Exception&) + { + } + + return xStream; +} + +std::vector<unsigned char> calculateHash(std::unique_ptr<SvStream>& rStream) +{ + comphelper::Hash aHashEngine(comphelper::HashType::SHA1); + const sal_uInt32 nSize(rStream->remainingSize()); + std::vector<sal_uInt8> aData(nSize); + aHashEngine.update(aData.data(), nSize); + return aHashEngine.finalize(); +} + +bool checkBitmap(Graphic& rGraphic) +{ + bool bResult = true; + + Bitmap aBitmap(rGraphic.GetBitmapEx().GetBitmap()); + { + Bitmap::ScopedReadAccess pReadAccess(aBitmap); + for (long y = 0; y < rGraphic.GetSizePixel().Height(); y++) + { + for (long x = 0; x < rGraphic.GetSizePixel().Width(); x++) + { + if (pReadAccess->HasPalette()) + { + sal_uInt32 nIndex = pReadAccess->GetPixelIndex(y, x); + Color aColor = pReadAccess->GetPaletteColor(nIndex); + bResult &= (aColor == Color(0xff, 0x00, 0x00)); + } + else + { + Color aColor = pReadAccess->GetPixel(y, x); + bResult &= (aColor == Color(0xff, 0x00, 0x00)); + } + } + } + } + + return bResult; +} + +char const DATA_DIRECTORY[] = "/vcl/qa/cppunit/data/"; + +void GraphicTest::testUnloadedGraphic() +{ + // make unloaded test graphic + Graphic aGraphic = makeUnloadedGraphic("png"); + Graphic aGraphic2 = aGraphic; + + // check available + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic2.isAvailable()); + + CPPUNIT_ASSERT_EQUAL(true, aGraphic2.makeAvailable()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic2.isAvailable()); + + // check GetSizePixel doesn't load graphic + aGraphic = makeUnloadedGraphic("png"); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(120L, aGraphic.GetSizePixel().Width()); + CPPUNIT_ASSERT_EQUAL(100L, aGraphic.GetSizePixel().Height()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + + // check GetPrefSize doesn't load graphic + CPPUNIT_ASSERT_EQUAL(6000L, aGraphic.GetPrefSize().Width()); + CPPUNIT_ASSERT_EQUAL(5000L, aGraphic.GetPrefSize().Height()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + + // check GetSizeBytes loads graphic + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + CPPUNIT_ASSERT(aGraphic.GetSizeBytes() > 0); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable()); + + //check Type + aGraphic = makeUnloadedGraphic("png"); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(GraphicType::Bitmap, aGraphic.GetType()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.makeAvailable()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(GraphicType::Bitmap, aGraphic.GetType()); +} + +void GraphicTest::testUnloadedGraphicLoading() +{ + const OUString aFormats[] = { "png", "gif", "jpg" }; + + for (OUString const& sFormat : aFormats) + { + Graphic aGraphic = makeUnloadedGraphic(sFormat); + + // check available + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(120L, aGraphic.GetSizePixel().Width()); + CPPUNIT_ASSERT_EQUAL(100L, aGraphic.GetSizePixel().Height()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + CPPUNIT_ASSERT(aGraphic.GetSizeBytes() > 0); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable()); + + if (sFormat != "jpg") + CPPUNIT_ASSERT_EQUAL(true, checkBitmap(aGraphic)); + } +} + +void GraphicTest::testUnloadedGraphicWmf() +{ + // Create some in-memory WMF data, set its own preferred size to 99x99. + BitmapEx aBitmapEx = createBitmap(); + SvMemoryStream aStream; + GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter(); + sal_uInt16 nFilterFormat = rGraphicFilter.GetExportFormatNumberForShortName("wmf"); + Graphic aGraphic(aBitmapEx); + aGraphic.SetPrefSize(Size(99, 99)); + aGraphic.SetPrefMapMode(MapMode(MapUnit::Map100thMM)); + rGraphicFilter.ExportGraphic(aGraphic, "none", aStream, nFilterFormat); + aStream.Seek(STREAM_SEEK_TO_BEGIN); + + // Now lazy-load this WMF data, with a custom preferred size of 42x42. + Size aMtfSize100(42, 42); + aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream, 0, &aMtfSize100); + aGraphic.makeAvailable(); + + // Without the accompanying fix in place, this test would have failed with: + // - Expected: 42x42 + // - Actual : 99x99 + // i.e. the custom preferred size was lost after lazy-load. + CPPUNIT_ASSERT_EQUAL(Size(42, 42), aGraphic.GetPrefSize()); +} + +void GraphicTest::testUnloadedGraphicAlpha() +{ + // make unloaded test graphic with alpha + Graphic aGraphic = makeUnloadedGraphic("png", true); + + CPPUNIT_ASSERT_EQUAL(true, aGraphic.IsAlpha()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.IsTransparent()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + + // make unloaded test graphic without alpha + aGraphic = makeUnloadedGraphic("png", false); + + CPPUNIT_ASSERT_EQUAL(false, aGraphic.IsAlpha()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.IsTransparent()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); +} + +void GraphicTest::testUnloadedGraphicSizeUnit() +{ + GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter(); + test::Directories aDirectories; + OUString aURL = aDirectories.getURLFromSrc(DATA_DIRECTORY) + "inch-size.emf"; + Size aMtfSize100(42, 42); + SvFileStream aStream(aURL, StreamMode::READ); + Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream, 0, &aMtfSize100); + aGraphic.makeAvailable(); + + // Without the accompanying fix in place, this test would have failed with: + // - Expected: 400x363 + // - Actual : 42x42 + // i.e. a mm100 size was used as a hint and the inch size was set for a non-matching unit. + CPPUNIT_ASSERT_EQUAL(Size(400, 363), aGraphic.GetPrefSize()); +} + +void GraphicTest::testSwapping() +{ + // Prepare Graphic from a PNG image first + Graphic aGraphic = makeUnloadedGraphic("png"); + + CPPUNIT_ASSERT_EQUAL(GraphicType::Bitmap, aGraphic.GetType()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.makeAvailable()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable()); + + CPPUNIT_ASSERT_EQUAL(120L, aGraphic.GetSizePixel().Width()); + CPPUNIT_ASSERT_EQUAL(100L, aGraphic.GetSizePixel().Height()); + + BitmapChecksum aChecksumBeforeSwapping = aGraphic.GetChecksum(); + + CPPUNIT_ASSERT_EQUAL(sal_uInt32(319), aGraphic.GetGfxLink().GetDataSize()); + + // We loaded the Graphic and made it available + CPPUNIT_ASSERT_EQUAL(false, aGraphic.ImplGetImpGraphic()->isSwappedOut()); + // Get the declared byte size of the graphic + sal_uLong rByteSize = aGraphic.GetSizeBytes(); + OUString rSwapFileURL = aGraphic.ImplGetImpGraphic()->getSwapFileURL(); + CPPUNIT_ASSERT_EQUAL(true, rSwapFileURL.isEmpty()); + + // Swapping out + CPPUNIT_ASSERT_EQUAL(true, aGraphic.ImplGetImpGraphic()->swapOut()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.ImplGetImpGraphic()->isSwappedOut()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + + // Byte size doesn't change when we swapped out + CPPUNIT_ASSERT_EQUAL(rByteSize, aGraphic.GetSizeBytes()); + + // Let's check the swap file + rSwapFileURL = aGraphic.ImplGetImpGraphic()->getSwapFileURL(); + CPPUNIT_ASSERT_EQUAL(true, comphelper::DirectoryHelper::fileExists(rSwapFileURL)); + + { // Check the swap file content + std::unique_ptr<SvStream> xStream = createStream(rSwapFileURL); + CPPUNIT_ASSERT_EQUAL(true, bool(xStream)); + + // Check size of the stream + CPPUNIT_ASSERT_EQUAL(sal_uInt64(445), xStream->remainingSize()); + + std::vector<unsigned char> aHash = calculateHash(xStream); + CPPUNIT_ASSERT_EQUAL(std::string("304f17d9c56e79b95f6c337dab88709d4f9b61f0"), + toHexString(aHash)); + } + + // Let's swap in + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.makeAvailable()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.ImplGetImpGraphic()->isSwappedOut()); + + CPPUNIT_ASSERT_EQUAL(aChecksumBeforeSwapping, aGraphic.GetChecksum()); + + // File shouldn't be available anymore + CPPUNIT_ASSERT_EQUAL(false, comphelper::DirectoryHelper::fileExists(rSwapFileURL)); + + // Check the bitmap + CPPUNIT_ASSERT_EQUAL(120L, aGraphic.GetSizePixel().Width()); + CPPUNIT_ASSERT_EQUAL(100L, aGraphic.GetSizePixel().Height()); + CPPUNIT_ASSERT_EQUAL(true, checkBitmap(aGraphic)); + CPPUNIT_ASSERT_EQUAL(true, checkBitmap(aGraphic)); +} + +void GraphicTest::testSwappingVectorGraphic() +{ + test::Directories aDirectories; + OUString aURL = aDirectories.getURLFromSrc(DATA_DIRECTORY) + "SimpleExample.svg"; + SvFileStream aStream(aURL, StreamMode::READ); + GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter(); + Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream); + + CPPUNIT_ASSERT_EQUAL(GraphicType::Bitmap, aGraphic.GetType()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + + // Load the vector graphic + CPPUNIT_ASSERT_EQUAL(true, bool(aGraphic.getVectorGraphicData())); + CPPUNIT_ASSERT_EQUAL(sal_uInt32(223), + aGraphic.getVectorGraphicData()->getVectorGraphicDataArrayLength()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(sal_uInt32(223), aGraphic.GetGfxLink().GetDataSize()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable()); + + BitmapChecksum aBitmapChecksumBeforeSwapping = aGraphic.GetBitmapEx().GetChecksum(); + + CPPUNIT_ASSERT_EQUAL(false, aGraphic.ImplGetImpGraphic()->isSwappedOut()); + + // Get the declared byte size of the graphic + sal_uLong rByteSize = aGraphic.GetSizeBytes(); + CPPUNIT_ASSERT_EQUAL(sal_uLong(223), rByteSize); + OUString rSwapFileURL = aGraphic.ImplGetImpGraphic()->getSwapFileURL(); + CPPUNIT_ASSERT_EQUAL(true, rSwapFileURL.isEmpty()); + + // Swapping out + CPPUNIT_ASSERT_EQUAL(true, aGraphic.ImplGetImpGraphic()->swapOut()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.ImplGetImpGraphic()->isSwappedOut()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + + // Byte size doesn't change when we swapped out + // TODO: In case we don't trigger GetBitmapEx (above) the size is 0 + CPPUNIT_ASSERT_EQUAL(rByteSize, aGraphic.GetSizeBytes()); + + // Let's check the swap file + rSwapFileURL = aGraphic.ImplGetImpGraphic()->getSwapFileURL(); + CPPUNIT_ASSERT_EQUAL(true, comphelper::DirectoryHelper::fileExists(rSwapFileURL)); + + { // Check the swap file content + std::unique_ptr<SvStream> xStream = createStream(rSwapFileURL); + CPPUNIT_ASSERT_EQUAL(true, bool(xStream)); + + // Check size of the stream + CPPUNIT_ASSERT_EQUAL(sal_uInt64(349), xStream->remainingSize()); + + std::vector<unsigned char> aHash = calculateHash(xStream); + CPPUNIT_ASSERT_EQUAL(std::string("88b4c1c359e3cf7be005fbb46c93ffa6de9dcf4a"), + toHexString(aHash)); + } + + // Let's swap in + CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.makeAvailable()); + CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable()); + CPPUNIT_ASSERT_EQUAL(false, aGraphic.ImplGetImpGraphic()->isSwappedOut()); + + CPPUNIT_ASSERT_EQUAL(aBitmapChecksumBeforeSwapping, aGraphic.GetBitmapEx().GetChecksum()); + + // File shouldn't be available anymore + CPPUNIT_ASSERT_EQUAL(false, comphelper::DirectoryHelper::fileExists(rSwapFileURL)); +} + +} // namespace + +CPPUNIT_TEST_SUITE_REGISTRATION(GraphicTest); + +CPPUNIT_PLUGIN_IMPLEMENT(); + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |