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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/png/PngFilterTest.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/png/PngFilterTest.cxx')
-rw-r--r-- | vcl/qa/cppunit/png/PngFilterTest.cxx | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/png/PngFilterTest.cxx b/vcl/qa/cppunit/png/PngFilterTest.cxx new file mode 100644 index 000000000..c167c4c9c --- /dev/null +++ b/vcl/qa/cppunit/png/PngFilterTest.cxx @@ -0,0 +1,252 @@ +/* -*- 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <string_view> + +#include <test/bootstrapfixture.hxx> +#include <tools/stream.hxx> +#include <vcl/filter/PngImageReader.hxx> +#include <vcl/BitmapReadAccess.hxx> +#include <vcl/alpha.hxx> +#include <vcl/graphicfilter.hxx> + +using namespace css; + +class PngFilterTest : public test::BootstrapFixture +{ + OUString maDataUrl; + + OUString getFullUrl(std::u16string_view sFileName) + { + return m_directories.getURLFromSrc(maDataUrl) + sFileName; + } + +public: + PngFilterTest() + : BootstrapFixture(true, false) + , maDataUrl("/vcl/qa/cppunit/png/data/") + { + } + + void testPng(); + void testMsGifInPng(); + + CPPUNIT_TEST_SUITE(PngFilterTest); + CPPUNIT_TEST(testPng); + CPPUNIT_TEST(testMsGifInPng); + CPPUNIT_TEST_SUITE_END(); +}; + +void PngFilterTest::testPng() +{ + for (const OUString& aFileName : { OUString("rect-1bit-pal.png") }) + { + SvFileStream aFileStream(getFullUrl(aFileName), StreamMode::READ); + + vcl::PngImageReader aPngReader(aFileStream); + BitmapEx aBitmapEx; + aPngReader.read(aBitmapEx); + + Bitmap aBitmap = aBitmapEx.GetBitmap(); + { + Bitmap::ScopedReadAccess pAccess(aBitmap); + CPPUNIT_ASSERT_EQUAL(tools::Long(4), pAccess->Width()); + CPPUNIT_ASSERT_EQUAL(tools::Long(4), pAccess->Height()); + + if (pAccess->GetBitCount() == 24 || pAccess->GetBitCount() == 32) + { + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(0, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(3, 3)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(3, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(0, 3)); + + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x00, 0x00), + pAccess->GetPixel(1, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x00, 0x00), + pAccess->GetPixel(1, 2)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x00, 0x00), + pAccess->GetPixel(2, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x00, 0x00), + pAccess->GetPixel(2, 2)); + } + else + { + CPPUNIT_ASSERT_MESSAGE("Bitmap is not 24 or 32 bit.", false); + } + } + } + + OUString aFilenames[] = { + OUString("color-rect-8bit-RGB.png"), + OUString("color-rect-8bit-RGB-interlaced.png"), + OUString("color-rect-4bit-pal.png"), + }; + + for (const OUString& aFileName : aFilenames) + { + SvFileStream aFileStream(getFullUrl(aFileName), StreamMode::READ); + + vcl::PngImageReader aPngReader(aFileStream); + BitmapEx aBitmapEx; + aPngReader.read(aBitmapEx); + + Bitmap aBitmap = aBitmapEx.GetBitmap(); + { + Bitmap::ScopedReadAccess pAccess(aBitmap); + CPPUNIT_ASSERT_EQUAL(tools::Long(4), pAccess->Width()); + CPPUNIT_ASSERT_EQUAL(tools::Long(4), pAccess->Height()); + if (pAccess->GetBitCount() == 24 || pAccess->GetBitCount() == 32) + { + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(0, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(3, 3)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(3, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(0, 3)); + + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0x00, 0x00, 0x00), + pAccess->GetPixel(1, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0xFF, 0x00, 0x00), + pAccess->GetPixel(1, 2)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0xFF, 0x00), + pAccess->GetPixel(2, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0x00, 0x00), + pAccess->GetPixel(2, 2)); + } + else + { + CPPUNIT_ASSERT_MESSAGE("Bitmap is not 24 or 32 bit.", false); + } + } + } + for (const OUString& aFileName : { OUString("alpha-rect-8bit-RGBA.png") }) + { + SvFileStream aFileStream(getFullUrl(aFileName), StreamMode::READ); + + vcl::PngImageReader aPngReader(aFileStream); + BitmapEx aBitmapEx; + aPngReader.read(aBitmapEx); + + Bitmap aBitmap = aBitmapEx.GetBitmap(); + { + Bitmap::ScopedReadAccess pAccess(aBitmap); + CPPUNIT_ASSERT_EQUAL(tools::Long(4), pAccess->Width()); + CPPUNIT_ASSERT_EQUAL(tools::Long(4), pAccess->Height()); + + if (pAccess->GetBitCount() == 24) + { + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(0, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(3, 3)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(3, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x00), + pAccess->GetPixel(0, 3)); + + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0x00, 0x00, 0x00), + pAccess->GetPixel(1, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0xFF, 0x00, 0x00), + pAccess->GetPixel(1, 2)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0xFF, 0x00), + pAccess->GetPixel(2, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0x00, 0x00), + pAccess->GetPixel(2, 2)); + + AlphaMask aAlpha = aBitmapEx.GetAlpha(); + { + AlphaMask::ScopedReadAccess pAlphaAccess(aAlpha); + CPPUNIT_ASSERT_EQUAL(sal_uInt16(8), pAlphaAccess->GetBitCount()); + CPPUNIT_ASSERT_EQUAL(tools::Long(4), pAlphaAccess->Width()); + CPPUNIT_ASSERT_EQUAL(tools::Long(4), pAlphaAccess->Height()); + + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x80, 0x00), + pAlphaAccess->GetPixel(0, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x80, 0x00), + pAlphaAccess->GetPixel(3, 3)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x80, 0x00), + pAlphaAccess->GetPixel(3, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x80, 0x00), + pAlphaAccess->GetPixel(0, 3)); + + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x40, 0x00), + pAlphaAccess->GetPixel(1, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0xC0, 0x00), + pAlphaAccess->GetPixel(1, 2)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0xC0, 0x00), + pAlphaAccess->GetPixel(2, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x40, 0x00), + pAlphaAccess->GetPixel(2, 2)); + } + } + else if (pAccess->GetBitCount() == 32) + { + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x80), + pAccess->GetPixel(0, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x80), + pAccess->GetPixel(3, 3)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x80), + pAccess->GetPixel(3, 0)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0xFF, 0x80), + pAccess->GetPixel(0, 3)); + + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0x00, 0x00, 0x40), + pAccess->GetPixel(1, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0xFF, 0x00, 0xC0), + pAccess->GetPixel(1, 2)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0xFF, 0xC0), + pAccess->GetPixel(2, 1)); + CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0xFF, 0xFF, 0x00, 0x40), + pAccess->GetPixel(2, 2)); + } + else + { + CPPUNIT_ASSERT_MESSAGE("Bitmap is not 24 or 32 bit.", false); + } + } + } +} + +void PngFilterTest::testMsGifInPng() +{ + Graphic aGraphic; + const OUString aURL(getFullUrl(u"ms-gif.png")); + SvFileStream aFileStream(aURL, StreamMode::READ); + GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter(); + ErrCode aResult = rFilter.ImportGraphic(aGraphic, aURL, aFileStream); + CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, aResult); + CPPUNIT_ASSERT(aGraphic.IsGfxLink()); + // The image is technically a PNG, but it has an animated Gif as a chunk (Microsoft extension). + CPPUNIT_ASSERT_EQUAL(GfxLinkType::NativeGif, aGraphic.GetSharedGfxLink()->GetType()); + CPPUNIT_ASSERT(aGraphic.IsAnimated()); +} + +CPPUNIT_TEST_SUITE_REGISTRATION(PngFilterTest); + +CPPUNIT_PLUGIN_IMPLEMENT(); + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |