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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /vcl/qa/cppunit/graphicfilter/filters-webp-test.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/qa/cppunit/graphicfilter/filters-webp-test.cxx')
-rw-r--r-- | vcl/qa/cppunit/graphicfilter/filters-webp-test.cxx | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/graphicfilter/filters-webp-test.cxx b/vcl/qa/cppunit/graphicfilter/filters-webp-test.cxx new file mode 100644 index 000000000..f9d0bfa84 --- /dev/null +++ b/vcl/qa/cppunit/graphicfilter/filters-webp-test.cxx @@ -0,0 +1,203 @@ +/* -*- 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/filters-test.hxx> +#include <test/bootstrapfixture.hxx> +#include <vcl/FilterConfigItem.hxx> +#include <bitmap/BitmapWriteAccess.hxx> +#include <tools/stream.hxx> +#include <vcl/graph.hxx> +#include <vcl/graphicfilter.hxx> +#include <graphic/GraphicFormatDetector.hxx> +#include <filter/WebpReader.hxx> +#include <comphelper/propertyvalue.hxx> + +using namespace css; + +/* Implementation of Filters test */ + +class WebpFilterTest : public test::FiltersTest, public test::BootstrapFixture +{ +public: + WebpFilterTest() + : BootstrapFixture(true, false) + { + } + + virtual bool load(const OUString&, const OUString& rURL, const OUString&, SfxFilterFlags, + SotClipboardFormatId, unsigned int) override; + + /** + * Ensure CVEs remain unbroken + */ + void testCVEs(); + + void testRoundtripLossless(); + void testRoundtripLossy(); + void testReadAlphaLossless(); + void testReadAlphaLossy(); + void testReadNoAlphaLossless(); + void testReadNoAlphaLossy(); + + CPPUNIT_TEST_SUITE(WebpFilterTest); + CPPUNIT_TEST(testCVEs); + CPPUNIT_TEST(testRoundtripLossless); + CPPUNIT_TEST(testRoundtripLossy); + CPPUNIT_TEST(testReadAlphaLossless); + CPPUNIT_TEST(testReadAlphaLossy); + CPPUNIT_TEST(testReadNoAlphaLossless); + CPPUNIT_TEST(testReadNoAlphaLossy); + CPPUNIT_TEST_SUITE_END(); + +private: + void testRoundtrip(bool lossy); + void testRead(bool lossy, bool alpha); +}; + +bool WebpFilterTest::load(const OUString&, const OUString& rURL, const OUString&, SfxFilterFlags, + SotClipboardFormatId, unsigned int) +{ + SvFileStream aFileStream(rURL, StreamMode::READ); + Graphic aGraphic; + return ImportWebpGraphic(aFileStream, aGraphic); +} + +void WebpFilterTest::testCVEs() +{ +#ifndef DISABLE_CVE_TESTS + testDir(OUString(), m_directories.getURLFromSrc(u"/vcl/qa/cppunit/graphicfilter/data/webp/")); +#endif +} + +void WebpFilterTest::testRoundtripLossless() { testRoundtrip(false); } + +void WebpFilterTest::testRoundtripLossy() { testRoundtrip(true); } + +void WebpFilterTest::testRoundtrip(bool lossy) +{ + // Do not use just 2x2, lossy saving would change colors. + Bitmap aBitmap(Size(20, 20), vcl::PixelFormat::N24_BPP); + AlphaMask aAlpha(Size(20, 20)); + { + BitmapScopedWriteAccess pAccess(aBitmap); + pAccess->SetFillColor(COL_WHITE); + pAccess->FillRect(tools::Rectangle(Point(0, 0), Size(10, 10))); + pAccess->SetFillColor(COL_BLACK); + pAccess->FillRect(tools::Rectangle(Point(10, 0), Size(10, 10))); + pAccess->SetFillColor(COL_LIGHTRED); + pAccess->FillRect(tools::Rectangle(Point(0, 10), Size(10, 10))); + pAccess->SetFillColor(COL_BLUE); + pAccess->FillRect(tools::Rectangle(Point(10, 10), Size(10, 10))); + AlphaScopedWriteAccess pAccessAlpha(aAlpha); + pAccessAlpha->SetFillColor(BitmapColor(0)); // opaque + pAccessAlpha->FillRect(tools::Rectangle(Point(0, 0), Size(10, 10))); + pAccessAlpha->FillRect(tools::Rectangle(Point(10, 0), Size(10, 10))); + pAccessAlpha->FillRect(tools::Rectangle(Point(0, 10), Size(10, 10))); + pAccessAlpha->SetFillColor(BitmapColor(64, 64, 64)); + pAccessAlpha->FillRect(tools::Rectangle(Point(10, 10), Size(10, 10))); + } + BitmapEx aBitmapEx(aBitmap, aAlpha); + + SvMemoryStream aStream; + GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter(); + sal_uInt16 nFilterFormat = rFilter.GetExportFormatNumberForShortName(u"webp"); + css::uno::Sequence<css::beans::PropertyValue> aFilterData{ + comphelper::makePropertyValue("Lossless", !lossy), + comphelper::makePropertyValue("Quality", sal_Int32(100)) + }; + rFilter.ExportGraphic(Graphic(aBitmapEx), u"none", aStream, nFilterFormat, &aFilterData); + aStream.Seek(STREAM_SEEK_TO_BEGIN); + + Graphic aGraphic; + ErrCode bResult = rFilter.ImportGraphic(aGraphic, u"none", aStream); + CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, bResult); + CPPUNIT_ASSERT_EQUAL(GfxLinkType::NativeWebp, aGraphic.GetGfxLink().GetType()); + BitmapEx aResultBitmap = aGraphic.GetBitmapEx(); + CPPUNIT_ASSERT_EQUAL(Size(20, 20), aResultBitmap.GetSizePixel()); + CPPUNIT_ASSERT(aResultBitmap.IsAlpha()); + + { + Bitmap tmpBitmap = aResultBitmap.GetBitmap(); + Bitmap::ScopedReadAccess pAccess(tmpBitmap); + // Note that x,y are swapped. + CPPUNIT_ASSERT_EQUAL(COL_WHITE, Color(pAccess->GetPixel(0, 0))); + CPPUNIT_ASSERT_EQUAL(COL_BLACK, Color(pAccess->GetPixel(0, 19))); + if (lossy) + { + CPPUNIT_ASSERT_LESS(sal_uInt16(3), + pAccess->GetPixel(19, 0).GetColorError(COL_LIGHTRED)); + CPPUNIT_ASSERT_LESS(sal_uInt16(3), pAccess->GetPixel(19, 19).GetColorError(COL_BLUE)); + } + else + { + CPPUNIT_ASSERT_EQUAL(COL_LIGHTRED, Color(pAccess->GetPixel(19, 0))); + CPPUNIT_ASSERT_EQUAL(COL_BLUE, Color(pAccess->GetPixel(19, 19))); + } + AlphaMask tmpAlpha = aResultBitmap.GetAlpha(); + AlphaMask::ScopedReadAccess pAccessAlpha(tmpAlpha); + CPPUNIT_ASSERT_EQUAL(sal_uInt8(0), pAccessAlpha->GetPixelIndex(0, 0)); + CPPUNIT_ASSERT_EQUAL(sal_uInt8(0), pAccessAlpha->GetPixelIndex(0, 19)); + CPPUNIT_ASSERT_EQUAL(sal_uInt8(0), pAccessAlpha->GetPixelIndex(19, 0)); + CPPUNIT_ASSERT_EQUAL(sal_uInt8(64), pAccessAlpha->GetPixelIndex(19, 19)); + } + + aStream.Seek(STREAM_SEEK_TO_BEGIN); + vcl::GraphicFormatDetector aDetector(aStream, ""); + + CPPUNIT_ASSERT_EQUAL(true, aDetector.detect()); + CPPUNIT_ASSERT_EQUAL(true, aDetector.checkWEBP()); + CPPUNIT_ASSERT_EQUAL(OUString(u"WEBP"), aDetector.msDetectedFormat); +} + +void WebpFilterTest::testReadAlphaLossless() { testRead(false, true); } + +void WebpFilterTest::testReadAlphaLossy() { testRead(true, true); } + +void WebpFilterTest::testReadNoAlphaLossless() { testRead(false, false); } + +void WebpFilterTest::testReadNoAlphaLossy() { testRead(true, false); } + +void WebpFilterTest::testRead(bool lossy, bool alpha) +{ + // Read a file created in GIMP and check it's read correctly. + OUString file = m_directories.getURLFromSrc(u"/vcl/qa/cppunit/graphicfilter/data/webp/") + + (alpha ? u"alpha" : u"noalpha") + "_" + (lossy ? u"lossy" : u"lossless") + + ".webp"; + SvFileStream aFileStream(file, StreamMode::READ); + Graphic aGraphic; + GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter(); + ErrCode bResult = rFilter.ImportGraphic(aGraphic, u"none", aFileStream); + CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, bResult); + CPPUNIT_ASSERT_EQUAL(GfxLinkType::NativeWebp, aGraphic.GetGfxLink().GetType()); + BitmapEx aResultBitmap = aGraphic.GetBitmapEx(); + CPPUNIT_ASSERT_EQUAL(Size(10, 10), aResultBitmap.GetSizePixel()); + CPPUNIT_ASSERT_EQUAL(alpha, aResultBitmap.IsAlpha()); + + { + Bitmap tmpBitmap = aResultBitmap.GetBitmap(); + Bitmap::ScopedReadAccess pAccess(tmpBitmap); + // Note that x,y are swapped. + if (lossy) + CPPUNIT_ASSERT_LESS(sal_uInt16(2), pAccess->GetPixel(0, 0).GetColorError(COL_LIGHTRED)); + else + CPPUNIT_ASSERT_EQUAL(COL_LIGHTRED, Color(pAccess->GetPixel(0, 0))); + CPPUNIT_ASSERT_EQUAL(COL_LIGHTBLUE, Color(pAccess->GetPixel(9, 9))); + if (alpha) + { + AlphaMask tmpAlpha = aResultBitmap.GetAlpha(); + AlphaMask::ScopedReadAccess pAccessAlpha(tmpAlpha); + CPPUNIT_ASSERT_EQUAL(sal_uInt8(0), pAccessAlpha->GetPixelIndex(0, 0)); + CPPUNIT_ASSERT_EQUAL(sal_uInt8(255), pAccessAlpha->GetPixelIndex(0, 9)); + } + } +} + +CPPUNIT_TEST_SUITE_REGISTRATION(WebpFilterTest); + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |