Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-15 05:54:39 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-15 05:54:39 +0000
commit: 267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree: 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /vcl/qa/cppunit/png
parent: Initial commit. (diff)
download: libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
181 files changed, 2084 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/png/PngFilterTest.cxx b/vcl/qa/cppunit/png/PngFilterTest.cxx
new file mode 100644
index 0000000000..2e900ec41d
--- /dev/null
+++ b/vcl/qa/cppunit/png/PngFilterTest.cxx
@@ -0,0 +1,2084 @@
+/* -*- 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/filter/PngImageWriter.hxx>
+#include <vcl/BitmapReadAccess.hxx>
+#include <vcl/BitmapMonochromeFilter.hxx>
+#include <vcl/BitmapWriteAccess.hxx>
+#include <vcl/alpha.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <unotools/tempfile.hxx>
+
+using namespace css;
+
+namespace
+{
+struct Case
+{
+    tools::Long mnWidth;
+    tools::Long mnHeight;
+    sal_uInt16 mnBpp;
+    bool mbHasPalette;
+    bool mbIsAlpha;
+};
+// Checks that a pngs BitmapEx is the same after reading and
+// after writing. Takes a vector of function pointers if there's need to test
+// special cases
+void checkImportExportPng(const OUString& sFilePath, const Case& aCase)
+{
+    SvFileStream aFileStream(sFilePath, StreamMode::READ);
+    SvMemoryStream aExportStream;
+    BitmapEx aImportedBitmapEx;
+    BitmapEx aExportedImportedBitmapEx;
+
+    bool bOpenOk = !aFileStream.GetError() && aFileStream.GetBufferSize() > 0;
+    CPPUNIT_ASSERT_MESSAGE(OString("Failed to open file: " + sFilePath.toUtf8()).getStr(), bOpenOk);
+
+    // Read the png from the file
+    {
+        vcl::PngImageReader aPngReader(aFileStream);
+        bool bReadOk = aPngReader.read(aImportedBitmapEx);
+        CPPUNIT_ASSERT_MESSAGE(OString("Failed to read png from: " + sFilePath.toUtf8()).getStr(),
+                               bReadOk);
+        Bitmap aImportedBitmap = aImportedBitmapEx.GetBitmap();
+        BitmapScopedInfoAccess pAccess(aImportedBitmap);
+        auto nActualWidth = aImportedBitmapEx.GetSizePixel().Width();
+        auto nActualHeight = aImportedBitmapEx.GetSizePixel().Height();
+        auto nActualBpp = vcl::pixelFormatBitCount(aImportedBitmapEx.GetBitmap().getPixelFormat());
+        auto bActualHasPalette = pAccess->HasPalette();
+        auto bActualIsAlpha = aImportedBitmapEx.IsAlpha();
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("Width comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mnWidth, nActualWidth);
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("Height comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mnHeight, nActualHeight);
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("Bpp comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mnBpp, nActualBpp);
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("HasPalette comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mbHasPalette, bActualHasPalette);
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("IsAlpha comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mbIsAlpha, bActualIsAlpha);
+    }
+
+    // Write the imported png to a stream
+    {
+        vcl::PngImageWriter aPngWriter(aExportStream);
+        bool bWriteOk = aPngWriter.write(aImportedBitmapEx);
+        CPPUNIT_ASSERT_MESSAGE(OString("Failed to write png: " + sFilePath.toUtf8()).getStr(),
+                               bWriteOk);
+        aExportStream.Seek(0);
+    }
+
+    // Read the png again from the exported stream
+    {
+        vcl::PngImageReader aPngReader(aExportStream);
+        bool bReadOk = aPngReader.read(aExportedImportedBitmapEx);
+        CPPUNIT_ASSERT_MESSAGE(
+            OString("Failed to read exported png: " + sFilePath.toUtf8()).getStr(), bReadOk);
+        Bitmap aExportedImportedBitmap = aExportedImportedBitmapEx.GetBitmap();
+        BitmapScopedInfoAccess pAccess(aExportedImportedBitmap);
+        auto nActualWidth = aExportedImportedBitmapEx.GetSizePixel().Width();
+        auto nActualHeight = aExportedImportedBitmapEx.GetSizePixel().Height();
+        auto nActualBpp
+            = vcl::pixelFormatBitCount(aExportedImportedBitmapEx.GetBitmap().getPixelFormat());
+        auto bActualHasPalette = pAccess->HasPalette();
+        auto bActualIsAlpha = aExportedImportedBitmapEx.IsAlpha();
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("Width comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mnWidth, nActualWidth);
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("Height comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mnHeight, nActualHeight);
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("Bpp comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mnBpp, nActualBpp);
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("HasPalette comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mbHasPalette, bActualHasPalette);
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(
+            OString("IsAlpha comparison failed for exported png:" + sFilePath.toUtf8()).getStr(),
+            aCase.mbIsAlpha, bActualIsAlpha);
+    }
+
+    // Compare imported and exported BitmapEx
+    // This compares size, inner bitmap and alpha mask
+    bool bIsSame = (aExportedImportedBitmapEx == aImportedBitmapEx);
+    CPPUNIT_ASSERT_MESSAGE(
+        OString("Import->Export png test failed for png: " + sFilePath.toUtf8()).getStr(), bIsSame);
+}
+
+// Checks that aPngReader.read returns false on corrupted files
+void checkImportCorruptedPng(const OUString& sFilePath)
+{
+    SvFileStream aFileStream(sFilePath, StreamMode::READ);
+    BitmapEx aImportedBitmapEx;
+
+    bool bOpenOk = !aFileStream.GetError() && aFileStream.GetBufferSize() > 0;
+    CPPUNIT_ASSERT_MESSAGE(OString("Failed to open file: " + sFilePath.toUtf8()).getStr(), bOpenOk);
+    vcl::PngImageReader aPngReader(aFileStream);
+    bool bReadOk = aPngReader.read(aImportedBitmapEx);
+    // Make sure this file was not read successfully
+    CPPUNIT_ASSERT_MESSAGE(
+        OString("Corrupted png should not be opened: " + sFilePath.toUtf8()).getStr(), !bReadOk);
+}
+}
+
+class PngFilterTest : public test::BootstrapFixture
+{
+    // Should keep the temp files (should be false)
+    static constexpr bool bKeepTemp = true;
+
+    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 testApng();
+    void testPngSuite();
+    void testMsGifInPng();
+    void testPngRoundtrip8BitGrey();
+    void testPngRoundtrip24();
+    void testPngRoundtrip24_8();
+    void testPngRoundtrip32();
+    void testPngWrite8BitRGBPalette();
+    void testTdf153180MonochromeFilterPngExport();
+    void testDump();
+
+    CPPUNIT_TEST_SUITE(PngFilterTest);
+    CPPUNIT_TEST(testPng);
+    CPPUNIT_TEST(testApng);
+    CPPUNIT_TEST(testPngSuite);
+    CPPUNIT_TEST(testMsGifInPng);
+    CPPUNIT_TEST(testPngRoundtrip8BitGrey);
+    CPPUNIT_TEST(testPngRoundtrip24);
+    CPPUNIT_TEST(testPngRoundtrip24_8);
+    CPPUNIT_TEST(testPngRoundtrip32);
+    CPPUNIT_TEST(testPngWrite8BitRGBPalette);
+    CPPUNIT_TEST(testDump);
+    CPPUNIT_TEST(testTdf153180MonochromeFilterPngExport);
+    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();
+        {
+            BitmapScopedReadAccess 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();
+        {
+            BitmapScopedReadAccess 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();
+        {
+            BitmapScopedReadAccess 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.GetAlphaMask();
+                {
+                    BitmapScopedReadAccess 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, 0x7F, 0x00),
+                                         pAlphaAccess->GetPixel(0, 0));
+                    CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x7F, 0x00),
+                                         pAlphaAccess->GetPixel(3, 3));
+                    CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x7F, 0x00),
+                                         pAlphaAccess->GetPixel(3, 0));
+                    CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x7F, 0x00),
+                                         pAlphaAccess->GetPixel(0, 3));
+
+                    CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0xBF, 0x00),
+                                         pAlphaAccess->GetPixel(1, 1));
+                    CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x3F, 0x00),
+                                         pAlphaAccess->GetPixel(1, 2));
+                    CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0x3F, 0x00),
+                                         pAlphaAccess->GetPixel(2, 1));
+                    CPPUNIT_ASSERT_EQUAL(BitmapColor(ColorTransparency, 0x00, 0x00, 0xBF, 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::testApng()
+{
+    SvFileStream aFileStream(getFullUrl(u"apng_simple.apng"), StreamMode::READ);
+    vcl::PngImageReader aPngReader(aFileStream);
+    Graphic aGraphic;
+    bool bSuccess = aPngReader.read(aGraphic);
+    CPPUNIT_ASSERT(bSuccess);
+    CPPUNIT_ASSERT(aGraphic.IsAnimated());
+    CPPUNIT_ASSERT_EQUAL(size_t(2), aGraphic.GetAnimation().GetAnimationFrames().size());
+
+    AnimationFrame aFrame1 = *aGraphic.GetAnimation().GetAnimationFrames()[0];
+    AnimationFrame aFrame2 = *aGraphic.GetAnimation().GetAnimationFrames()[1];
+
+    CPPUNIT_ASSERT_EQUAL(COL_WHITE, aFrame1.maBitmapEx.GetPixelColor(0, 0));
+    CPPUNIT_ASSERT_EQUAL(Color(0x72d1c8), aFrame1.maBitmapEx.GetPixelColor(2, 2));
+    CPPUNIT_ASSERT_EQUAL(COL_LIGHTRED, aFrame2.maBitmapEx.GetPixelColor(0, 0));
+
+    // Roundtrip the APNG
+    SvMemoryStream aOutStream;
+    vcl::PngImageWriter aPngWriter(aOutStream);
+    bSuccess = aPngWriter.write(aGraphic);
+    CPPUNIT_ASSERT(bSuccess);
+
+    aOutStream.Seek(STREAM_SEEK_TO_BEGIN);
+    vcl::PngImageReader aPngReader2(aOutStream);
+    Graphic aGraphic2;
+    bSuccess = aPngReader2.read(aGraphic2);
+    CPPUNIT_ASSERT(bSuccess);
+    CPPUNIT_ASSERT(aGraphic2.IsAnimated());
+    CPPUNIT_ASSERT_EQUAL(size_t(2), aGraphic2.GetAnimation().GetAnimationFrames().size());
+
+    AnimationFrame aFrame1Roundtripped = *aGraphic2.GetAnimation().GetAnimationFrames()[0];
+    AnimationFrame aFrame2Roundtripped = *aGraphic2.GetAnimation().GetAnimationFrames()[1];
+
+    CPPUNIT_ASSERT_EQUAL(COL_WHITE, aFrame1Roundtripped.maBitmapEx.GetPixelColor(0, 0));
+    CPPUNIT_ASSERT_EQUAL(Color(0x72d1c8), aFrame1Roundtripped.maBitmapEx.GetPixelColor(2, 2));
+    CPPUNIT_ASSERT_EQUAL(COL_LIGHTRED, aFrame2Roundtripped.maBitmapEx.GetPixelColor(0, 0));
+
+    // Make sure the two frames have the same properties
+    CPPUNIT_ASSERT_EQUAL(aFrame1.maPositionPixel, aFrame1Roundtripped.maPositionPixel);
+    CPPUNIT_ASSERT_EQUAL(aFrame1.maSizePixel, aFrame1Roundtripped.maSizePixel);
+    CPPUNIT_ASSERT_EQUAL(aFrame1.mnWait, aFrame1Roundtripped.mnWait);
+    CPPUNIT_ASSERT_EQUAL(aFrame1.meDisposal, aFrame1Roundtripped.meDisposal);
+    CPPUNIT_ASSERT_EQUAL(aFrame1.meBlend, aFrame1Roundtripped.meBlend);
+
+    CPPUNIT_ASSERT_EQUAL(aFrame2.maPositionPixel, aFrame2Roundtripped.maPositionPixel);
+    CPPUNIT_ASSERT_EQUAL(aFrame2.maSizePixel, aFrame2Roundtripped.maSizePixel);
+    CPPUNIT_ASSERT_EQUAL(aFrame2.mnWait, aFrame2Roundtripped.mnWait);
+    CPPUNIT_ASSERT_EQUAL(aFrame2.meDisposal, aFrame2Roundtripped.meDisposal);
+    CPPUNIT_ASSERT_EQUAL(aFrame2.meBlend, aFrame2Roundtripped.meBlend);
+}
+
+void PngFilterTest::testPngSuite()
+{
+    // Test the PngSuite test files by Willem van Schaik
+    // filename:                               g04i2c08.png
+    //                                         || ||||
+    // test feature (in this case gamma) ------+| ||||
+    // parameter of test (here gamma-value) ----+ ||||
+    // interlaced or non-interlaced --------------+|||
+    // color-type (numerical) ---------------------+||
+    // color-type (descriptive) --------------------+|
+    // bit-depth ------------------------------------+
+
+    // Some notes about the cases:
+    // - RGB palette PNGs get converted to a bitmap with png_set_palette_to_rgb
+    // - Grayscale PNGs with alpha also do with png_set_gray_to_rgb
+    // - Grayscale PNGs without alpha use BitmapEx palette utilities
+    // - 1, 2, 4 bit grayscale w/o alpha gets converted to 8 bit with png_set_expand_gray_1_2_4_to_8
+    // - 16 bit per channel gets converted to 8 bit per channel with png_set_scale_16
+    // - PNGs that are not size related have size 32x32
+    // - Internally BitmapEx is never 32 bpp, instead it's 24 bpp (rgb) and uses an 8 bpp alpha mask
+    std::pair<std::u16string_view, Case> aCases[] = {
+        // Basic formats, not interlaced
+        { u"basn0g01.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // b&w
+        { u"basn0g02.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // 2 bit grayscale
+        { u"basn0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // 4 bit grayscale
+        { u"basn0g08.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // 8 bit grayscale
+        { u"basn0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // 16 bit grayscale
+        { u"basn2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 8 bit rgb
+        { u"basn2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 16 bit rgb
+        { u"basn3p01.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 1 bit palette
+        { u"basn3p02.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 2 bit palette
+        { u"basn3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 4 bit palette
+        { u"basn3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 8 bit palette
+        { u"basn4a08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 8 bit grayscale + 8 bit alpha
+        { u"basn4a16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 16 bit grayscale + 16 bit alpha
+        { u"basn6a08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 8 bit rgba
+        { u"basn6a16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 16 bit rgba
+        // Basic formats, interlaced
+        { u"basi0g01.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // b&w
+        { u"basi0g02.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // 2 bit grayscale
+        { u"basi0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // 4 bit grayscale
+        { u"basi0g08.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // 8 bit grayscale
+        { u"basi0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // 16 bit grayscale
+        { u"basi2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 8 bit rgb
+        { u"basi2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 16 bit rgb
+        { u"basi3p01.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 1 bit palette
+        { u"basi3p02.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 2 bit palette
+        { u"basi3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 4 bit palette
+        { u"basi3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 8 bit palette
+        { u"basi4a08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 8 bit grayscale + 8 bit alpha
+        { u"basi4a16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 16 bit grayscale + 16 bit alpha
+        { u"basi6a08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 8 bit rgba
+        { u"basi6a16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 16 bit rgba
+        // // Odd sizes, not interlaced
+        { u"s01n3p01.png",
+          {
+              1,
+              1,
+              24,
+              false,
+              false,
+          } }, // 1x1
+        { u"s02n3p01.png",
+          {
+              2,
+              2,
+              24,
+              false,
+              false,
+          } }, // 2x2
+        { u"s03n3p01.png",
+          {
+              3,
+              3,
+              24,
+              false,
+              false,
+          } }, // 3x3
+        { u"s04n3p01.png",
+          {
+              4,
+              4,
+              24,
+              false,
+              false,
+          } }, // 4x4
+        { u"s05n3p02.png",
+          {
+              5,
+              5,
+              24,
+              false,
+              false,
+          } }, // 5x5
+        { u"s06n3p02.png",
+          {
+              6,
+              6,
+              24,
+              false,
+              false,
+          } }, // 6x6
+        { u"s07n3p02.png",
+          {
+              7,
+              7,
+              24,
+              false,
+              false,
+          } }, // 7x7
+        { u"s08n3p02.png",
+          {
+              8,
+              8,
+              24,
+              false,
+              false,
+          } }, // 8x8
+        { u"s09n3p02.png",
+          {
+              9,
+              9,
+              24,
+              false,
+              false,
+          } }, // 9x9
+        { u"s32n3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 32x32
+        { u"s33n3p04.png",
+          {
+              33,
+              33,
+              24,
+              false,
+              false,
+          } }, // 33x33
+        { u"s34n3p04.png",
+          {
+              34,
+              34,
+              24,
+              false,
+              false,
+          } }, // 34x34
+        { u"s35n3p04.png",
+          {
+              35,
+              35,
+              24,
+              false,
+              false,
+          } }, // 35x35
+        { u"s36n3p04.png",
+          {
+              36,
+              36,
+              24,
+              false,
+              false,
+          } }, // 36x36
+        { u"s37n3p04.png",
+          {
+              37,
+              37,
+              24,
+              false,
+              false,
+          } }, // 37x37
+        { u"s38n3p04.png",
+          {
+              38,
+              38,
+              24,
+              false,
+              false,
+          } }, // 38x38
+        { u"s39n3p04.png",
+          {
+              39,
+              39,
+              24,
+              false,
+              false,
+          } }, // 39x39
+        { u"s40n3p04.png",
+          {
+              40,
+              40,
+              24,
+              false,
+              false,
+          } }, // 40x40
+        // // Odd sizes, interlaced
+        { u"s01i3p01.png",
+          {
+              1,
+              1,
+              24,
+              false,
+              false,
+          } }, // 1x1
+        { u"s02i3p01.png",
+          {
+              2,
+              2,
+              24,
+              false,
+              false,
+          } }, // 2x2
+        { u"s03i3p01.png",
+          {
+              3,
+              3,
+              24,
+              false,
+              false,
+          } }, // 3x3
+        { u"s04i3p01.png",
+          {
+              4,
+              4,
+              24,
+              false,
+              false,
+          } }, // 4x4
+        { u"s05i3p02.png",
+          {
+              5,
+              5,
+              24,
+              false,
+              false,
+          } }, // 5x5
+        { u"s06i3p02.png",
+          {
+              6,
+              6,
+              24,
+              false,
+              false,
+          } }, // 6x6
+        { u"s07i3p02.png",
+          {
+              7,
+              7,
+              24,
+              false,
+              false,
+          } }, // 7x7
+        { u"s08i3p02.png",
+          {
+              8,
+              8,
+              24,
+              false,
+              false,
+          } }, // 8x8
+        { u"s09i3p02.png",
+          {
+              9,
+              9,
+              24,
+              false,
+              false,
+          } }, // 9x9
+        { u"s32i3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // 32x32
+        { u"s33i3p04.png",
+          {
+              33,
+              33,
+              24,
+              false,
+              false,
+          } }, // 33x33
+        { u"s34i3p04.png",
+          {
+              34,
+              34,
+              24,
+              false,
+              false,
+          } }, // 34x34
+        { u"s35i3p04.png",
+          {
+              35,
+              35,
+              24,
+              false,
+              false,
+          } }, // 35x35
+        { u"s36i3p04.png",
+          {
+              36,
+              36,
+              24,
+              false,
+              false,
+          } }, // 36x36
+        { u"s37i3p04.png",
+          {
+              37,
+              37,
+              24,
+              false,
+              false,
+          } }, // 37x37
+        { u"s38i3p04.png",
+          {
+              38,
+              38,
+              24,
+              false,
+              false,
+          } }, // 38x38
+        { u"s39i3p04.png",
+          {
+              39,
+              39,
+              24,
+              false,
+              false,
+          } }, // 39x39
+        { u"s40i3p04.png",
+          {
+              40,
+              40,
+              24,
+              false,
+              false,
+          } }, // 40x40
+        // Background colors
+        { u"bgai4a08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 8 bit grayscale alpha no background chunk, interlaced
+        { u"bgai4a16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 16 bit grayscale alpha no background chunk, interlaced
+        { u"bgan6a08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 3 * 8 bits rgb color alpha, no background chunk
+        { u"bgan6a16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 3 * 16 bits rgb color alpha, no background chunk
+        { u"bgbn4a08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 8 bit grayscale alpha, black background chunk
+        { u"bggn4a16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 16 bit grayscale alpha, gray background chunk
+        { u"bgwn6a08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 3 * 8 bits rgb color alpha, white background chunk
+        { u"bgyn6a16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // 3 * 16 bits rgb color alpha, yellow background chunk
+        // Transparency
+        { u"tbbn0g04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, black background chunk
+        { u"tbbn2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, blue background chunk
+        { u"tbbn3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, black background chunk
+        { u"tbgn2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, green background chunk
+        { u"tbgn3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, light-gray background chunk
+        { u"tbrn2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, red background chunk
+        { u"tbwn0g16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, white background chunk
+        { u"tbwn3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, white background chunk
+        { u"tbyn3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, yellow background chunk
+        { u"tp1n3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // transparent, but no background chunk
+        { u"tm3n3p02.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // multiple levels of transparency, 3 entries
+        // Gamma
+        { u"g03n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale, file-gamma = 0.35
+        { u"g03n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color, file-gamma = 0.35
+        { u"g03n3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // paletted, file-gamma = 0.35
+        { u"g04n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale, file-gamma = 0.45
+        { u"g04n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color, file-gamma = 0.45
+        { u"g04n3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // paletted, file-gamma = 0.45
+        { u"g05n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale, file-gamma = 0.55
+        { u"g05n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color, file-gamma = 0.55
+        { u"g05n3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // paletted, file-gamma = 0.55
+        { u"g07n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale, file-gamma = 0.70
+        { u"g07n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color, file-gamma = 0.70
+        { u"g07n3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // paletted, file-gamma = 0.70
+        { u"g10n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale, file-gamma = 1.00
+        { u"g10n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color, file-gamma = 1.00
+        { u"g10n3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // paletted, file-gamma = 1.00
+        { u"g25n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale, file-gamma = 2.50
+        { u"g25n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color, file-gamma = 2.50
+        { u"g25n3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // paletted, file-gamma = 2.50
+        // Image filtering
+        { u"f00n0g08.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale no interlacing, filter-type 0
+        { u"f00n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color no interlacing, filter-type 0
+        { u"f01n0g08.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale no interlacing, filter-type 1
+        { u"f01n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color no interlacing, filter-type 1
+        { u"f02n0g08.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale no interlacing, filter-type 2
+        { u"f02n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color no interlacing, filter-type 2
+        { u"f03n0g08.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale no interlacing, filter-type 3
+        { u"f03n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color no interlacing, filter-type 3
+        { u"f04n0g08.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale no interlacing, filter-type 4
+        { u"f04n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color no interlacing, filter-type 4
+        { u"f99n0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale bit-depth 4, filter changing per scanline
+        // Additional palettes
+        { u"pp0n2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // six-cube palette-chunk in true-color image
+        { u"pp0n6a08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              true,
+          } }, // six-cube palette-chunk in true-color+alpha image
+        { u"ps1n0g08.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // six-cube suggested palette (1 byte) in grayscale image
+        { u"ps1n2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // six-cube suggested palette (1 byte) in true-color image
+        { u"ps2n0g08.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // six-cube suggested palette (2 bytes) in grayscale image
+        { u"ps2n2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // six-cube suggested palette (2 bytes) in true-color image
+        // Ancillary chunks
+        { u"ccwn2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // chroma chunk w:0.31270.329 r:0.640.33 g:0.300.60 b:0.15,0.06
+        { u"ccwn3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // chroma chunk w:0.31270.329 r:0.640.33 g:0.300.60 b:0.15,0.06
+        { u"cdfn2c08.png",
+          {
+              8,
+              32,
+              24,
+              false,
+              false,
+          } }, // physical pixel dimensions, 8x32 flat pixels
+        { u"cdhn2c08.png",
+          {
+              32,
+              8,
+              24,
+              false,
+              false,
+          } }, // physical pixel dimensions, 32x8 high pixels
+        { u"cdsn2c08.png",
+          {
+              8,
+              8,
+              24,
+              false,
+              false,
+          } }, // physical pixel dimensions, 8x8 square pixels
+        { u"cdun2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // physical pixel dimensions, 1000 pixels per 1 meter
+        { u"ch1n3p04.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // histogram 15 colors
+        { u"ch2n3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // histogram 256 colors
+        { u"cm0n0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale modification time, 01-jan-2000 12:34:56
+        { u"cm7n0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale modification time, 01-jan-1970 00:00:00
+        { u"cm9n0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale modification time, 31-dec-1999 23:59:59
+        { u"cs3n2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color, 13 significant bits
+        { u"cs3n3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // paletted, 3 significant bits
+        { u"cs5n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color, 5 significant bits
+        { u"cs5n3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // paletted, 5 significant bits
+        { u"cs8n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color, 8 significant bits (reference)
+        { u"cs8n3p08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // paletted, 8 significant bits (reference)
+        { u"ct0n0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale no textual data
+        { u"ct1n0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale with textual data
+        { u"ctzn0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale with compressed textual data
+        { u"cten0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale international UTF-8, english
+        { u"ctfn0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale international UTF-8, finnish
+        { u"ctgn0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale international UTF-8, greek
+        { u"cthn0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale international UTF-8, hindi
+        { u"ctjn0g04.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale international UTF-8, japanese
+        { u"exif2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // chunk with jpeg exif data
+        // Chunk ordering
+        { u"oi1n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale mother image with 1 idat-chunk
+        { u"oi1n2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color mother image with 1 idat-chunk
+        { u"oi2n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale image with 2 idat-chunks
+        { u"oi2n2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color image with 2 idat-chunks
+        { u"oi4n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale image with 4 unequal sized idat-chunks
+        { u"oi4n2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color image with 4 unequal sized idat-chunks
+        { u"oi9n0g16.png",
+          {
+              32,
+              32,
+              8,
+              true,
+              false,
+          } }, // grayscale image with all idat-chunks length one
+        { u"oi9n2c16.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color image with all idat-chunks length one
+        // Zlib compression
+        { u"z00n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color no interlacing, compression level 0 (none)
+        { u"z03n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color no interlacing, compression level 3
+        { u"z06n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color no interlacing, compression level 6 (default)
+        { u"z09n2c08.png",
+          {
+              32,
+              32,
+              24,
+              false,
+              false,
+          } }, // color no interlacing, compression level 9 (maximum)
+    };
+
+    for (const auto & [ aCaseName, aCase ] : aCases)
+    {
+        checkImportExportPng(getFullUrl(aCaseName), aCase);
+    }
+
+    OUString aCorruptedFilenames[] = {
+        "xs1n0g01.png", // signature byte 1 MSBit reset to zero
+        "xs2n0g01.png", // signature byte 2 is a 'Q'
+        "xs4n0g01.png", // signature byte 4 lowercase
+        "xs7n0g01.png", // 7th byte a space instead of control-Z
+        "xcrn0g04.png", // added cr bytes
+        "xlfn0g04.png", // added lf bytes
+        "xhdn0g08.png", // incorrect IHDR checksum
+        "xc1n0g08.png", // color type 1
+        "xc9n2c08.png", // color type 9
+        "xd0n2c08.png", // bit-depth 0
+        "xd3n2c08.png", // bit-depth 3
+        "xd9n2c08.png", // bit-depth 99
+        "xdtn0g01.png", // missing IDAT chunk
+        "xcsn0g01.png", // incorrect IDAT checksum
+    };
+
+    for (const auto& aFilename : aCorruptedFilenames)
+    {
+        checkImportCorruptedPng(getFullUrl(aFilename));
+    }
+}
+
+void PngFilterTest::testMsGifInPng()
+{
+    GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
+    {
+        Graphic aGraphic;
+        const OUString aURL(getFullUrl(u"ms-gif.png"));
+        SvFileStream aFileStream(aURL, StreamMode::READ);
+        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());
+    }
+    {
+        // Tests msOG chunk export support
+        const OUString aURL(getFullUrl(u"dummy.gif"));
+        SvFileStream aGIFStream(aURL, StreamMode::READ);
+        sal_uInt32 nGIFSize = aGIFStream.TellEnd();
+        const char* const pHeader = "MSOFFICE9.0";
+        auto nHeaderSize = strlen(pHeader);
+        uno::Sequence<sal_Int8> aGIFSequence(nHeaderSize + nGIFSize);
+        sal_Int8* pSequence = aGIFSequence.getArray();
+        for (size_t i = 0; i < nHeaderSize; i++)
+            *pSequence++ = pHeader[i];
+        aGIFStream.Seek(STREAM_SEEK_TO_BEGIN);
+        aGIFStream.ReadBytes(pSequence, nGIFSize);
+        // Create msOG chunk
+        beans::PropertyValue aChunkProperty, aFilterProperty;
+        aChunkProperty.Name = "msOG";
+        aChunkProperty.Value <<= aGIFSequence;
+        uno::Sequence<beans::PropertyValue> aAdditionalChunkSequence{ aChunkProperty };
+        aFilterProperty.Name = "AdditionalChunks";
+        aFilterProperty.Value <<= aAdditionalChunkSequence;
+        uno::Sequence<beans::PropertyValue> aPNGParameters{ aFilterProperty };
+        // Export the png with the chunk
+        utl::TempFileNamed aTempFile(u"testPngExportMsGif", true, u".png");
+        if (!bKeepTemp)
+            aTempFile.EnableKillingFile();
+        {
+            SvStream& rStream = *aTempFile.GetStream(StreamMode::WRITE);
+            BitmapEx aDummyBitmap(Size(8, 8), vcl::PixelFormat::N24_BPP);
+            vcl::PngImageWriter aPngWriter(rStream);
+            aPngWriter.setParameters(aPNGParameters);
+            bool bWriteSuccess = aPngWriter.write(aDummyBitmap);
+            CPPUNIT_ASSERT_EQUAL(true, bWriteSuccess);
+            aTempFile.CloseStream();
+        }
+        {
+            SvStream& rStream = *aTempFile.GetStream(StreamMode::READ);
+            rStream.Seek(0);
+            // Import the png and check that it is a gif
+            Graphic aGraphic;
+            ErrCode aResult = rFilter.ImportGraphic(aGraphic, aTempFile.GetURL(), rStream);
+            CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, aResult);
+            CPPUNIT_ASSERT(aGraphic.IsGfxLink());
+            CPPUNIT_ASSERT_EQUAL(GfxLinkType::NativeGif, aGraphic.GetSharedGfxLink()->GetType());
+            CPPUNIT_ASSERT(aGraphic.IsAnimated());
+        }
+    }
+}
+
+void PngFilterTest::testPngRoundtrip8BitGrey()
+{
+    utl::TempFileNamed aTempFile(u"testPngRoundtrip8BitGrey");
+    if (!bKeepTemp)
+        aTempFile.EnableKillingFile();
+    {
+        SvStream& rStream = *aTempFile.GetStream(StreamMode::WRITE);
+        Bitmap aBitmap(Size(16, 16), vcl::PixelFormat::N8_BPP, &Bitmap::GetGreyPalette(256));
+        {
+            BitmapScopedWriteAccess pWriteAccess(aBitmap);
+            pWriteAccess->Erase(COL_BLACK);
+            for (int i = 0; i < 8; ++i)
+            {
+                for (int j = 0; j < 8; ++j)
+                {
+                    pWriteAccess->SetPixel(i, j, COL_GRAY);
+                }
+            }
+            for (int i = 8; i < 16; ++i)
+            {
+                for (int j = 8; j < 16; ++j)
+                {
+                    pWriteAccess->SetPixel(i, j, COL_LIGHTGRAY);
+                }
+            }
+        }
+        BitmapEx aBitmapEx(aBitmap);
+
+        vcl::PngImageWriter aPngWriter(rStream);
+        CPPUNIT_ASSERT_EQUAL(true, aPngWriter.write(aBitmapEx));
+        aTempFile.CloseStream();
+    }
+    {
+        SvStream& rStream = *aTempFile.GetStream(StreamMode::READ);
+
+        vcl::PngImageReader aPngReader(rStream);
+        BitmapEx aBitmapEx;
+        CPPUNIT_ASSERT_EQUAL(true, aPngReader.read(aBitmapEx));
+
+        CPPUNIT_ASSERT_EQUAL(Size(16, 16), aBitmapEx.GetSizePixel());
+
+        CPPUNIT_ASSERT_EQUAL(COL_GRAY, aBitmapEx.GetPixelColor(0, 0));
+        CPPUNIT_ASSERT_EQUAL(COL_LIGHTGRAY, aBitmapEx.GetPixelColor(15, 15));
+        CPPUNIT_ASSERT_EQUAL(COL_BLACK, aBitmapEx.GetPixelColor(15, 0));
+        CPPUNIT_ASSERT_EQUAL(COL_BLACK, aBitmapEx.GetPixelColor(0, 15));
+    }
+}
+
+void PngFilterTest::testPngRoundtrip24()
+{
+    utl::TempFileNamed aTempFile(u"testPngRoundtrip24");
+    if (!bKeepTemp)
+        aTempFile.EnableKillingFile();
+    {
+        SvStream& rStream = *aTempFile.GetStream(StreamMode::WRITE);
+        Bitmap aBitmap(Size(16, 16), vcl::PixelFormat::N24_BPP);
+        {
+            BitmapScopedWriteAccess pWriteAccess(aBitmap);
+            pWriteAccess->Erase(COL_BLACK);
+            for (int i = 0; i < 8; ++i)
+            {
+                for (int j = 0; j < 8; ++j)
+                {
+                    pWriteAccess->SetPixel(i, j, COL_LIGHTRED);
+                }
+            }
+            for (int i = 8; i < 16; ++i)
+            {
+                for (int j = 8; j < 16; ++j)
+                {
+                    pWriteAccess->SetPixel(i, j, COL_LIGHTBLUE);
+                }
+            }
+        }
+        BitmapEx aBitmapEx(aBitmap);
+
+        vcl::PngImageWriter aPngWriter(rStream);
+        CPPUNIT_ASSERT_EQUAL(true, aPngWriter.write(aBitmapEx));
+    }
+    {
+        SvStream& rStream = *aTempFile.GetStream(StreamMode::READ);
+        rStream.Seek(0);
+
+        vcl::PngImageReader aPngReader(rStream);
+        BitmapEx aBitmapEx;
+        CPPUNIT_ASSERT_EQUAL(true, aPngReader.read(aBitmapEx));
+
+        CPPUNIT_ASSERT_EQUAL(Size(16, 16), aBitmapEx.GetSizePixel());
+
+        CPPUNIT_ASSERT_EQUAL(COL_LIGHTRED, aBitmapEx.GetPixelColor(0, 0));
+        CPPUNIT_ASSERT_EQUAL(COL_LIGHTBLUE, aBitmapEx.GetPixelColor(15, 15));
+        CPPUNIT_ASSERT_EQUAL(COL_BLACK, aBitmapEx.GetPixelColor(15, 0));
+        CPPUNIT_ASSERT_EQUAL(COL_BLACK, aBitmapEx.GetPixelColor(0, 15));
+    }
+}
+
+void PngFilterTest::testPngRoundtrip24_8()
+{
+    utl::TempFileNamed aTempFile(u"testPngRoundtrip24_8");
+    if (!bKeepTemp)
+        aTempFile.EnableKillingFile();
+    {
+        SvStream& rStream = *aTempFile.GetStream(StreamMode::WRITE);
+        Bitmap aBitmap(Size(16, 16), vcl::PixelFormat::N24_BPP);
+        AlphaMask aAlpha(Size(16, 16));
+        {
+            BitmapScopedWriteAccess pWriteAccessBitmap(aBitmap);
+            BitmapScopedWriteAccess pWriteAccessAlpha(aAlpha);
+            pWriteAccessAlpha->Erase(Color(0xAA, 0xAA, 0xAA));
+            pWriteAccessBitmap->Erase(COL_BLACK);
+            for (int i = 0; i < 8; ++i)
+            {
+                for (int j = 0; j < 8; ++j)
+                {
+                    pWriteAccessBitmap->SetPixel(i, j, COL_LIGHTRED);
+                    pWriteAccessAlpha->SetPixel(i, j, Color(0xBB, 0xBB, 0xBB));
+                }
+            }
+            for (int i = 8; i < 16; ++i)
+            {
+                for (int j = 8; j < 16; ++j)
+                {
+                    pWriteAccessBitmap->SetPixel(i, j, COL_LIGHTBLUE);
+                    pWriteAccessAlpha->SetPixel(i, j, Color(0xCC, 0xCC, 0xCC));
+                }
+            }
+        }
+        BitmapEx aBitmapEx(aBitmap, aAlpha);
+        vcl::PngImageWriter aPngWriter(rStream);
+        CPPUNIT_ASSERT_EQUAL(true, aPngWriter.write(aBitmapEx));
+    }
+    {
+        SvStream& rStream = *aTempFile.GetStream(StreamMode::READ);
+        rStream.Seek(0);
+
+        vcl::PngImageReader aPngReader(rStream);
+        BitmapEx aBitmapEx;
+        CPPUNIT_ASSERT_EQUAL(true, aPngReader.read(aBitmapEx));
+
+        CPPUNIT_ASSERT_EQUAL(Size(16, 16), aBitmapEx.GetSizePixel());
+
+        CPPUNIT_ASSERT_EQUAL(Color(ColorAlpha, 0xBB, 0xFF, 0x00, 0x00),
+                             aBitmapEx.GetPixelColor(0, 0));
+        CPPUNIT_ASSERT_EQUAL(Color(ColorAlpha, 0xCC, 0x00, 0x00, 0xFF),
+                             aBitmapEx.GetPixelColor(15, 15));
+        CPPUNIT_ASSERT_EQUAL(Color(ColorAlpha, 0xAA, 0x00, 0x00, 0x00),
+                             aBitmapEx.GetPixelColor(15, 0));
+        CPPUNIT_ASSERT_EQUAL(Color(ColorAlpha, 0xAA, 0x00, 0x00, 0x00),
+                             aBitmapEx.GetPixelColor(0, 15));
+    }
+}
+
+void PngFilterTest::testPngRoundtrip32() {}
+
+void PngFilterTest::testPngWrite8BitRGBPalette()
+{
+    SvMemoryStream aExportStream;
+    BitmapPalette aRedPalette;
+    aRedPalette.SetEntryCount(256);
+    for (sal_uInt16 i = 0; i < 256; i++)
+    {
+        aRedPalette[i].SetRed(i);
+        aRedPalette[i].SetGreen(0);
+        aRedPalette[i].SetBlue(0);
+    }
+    {
+        Bitmap aBitmap(Size(16, 16), vcl::PixelFormat::N8_BPP, &aRedPalette);
+        {
+            BitmapScopedWriteAccess pWriteAccessBitmap(aBitmap);
+            for (int i = 0; i < 16; i++)
+            {
+                for (int j = 0; j < 16; j++)
+                {
+                    pWriteAccessBitmap->SetPixelIndex(i, j, i * 16 + j);
+                }
+            }
+        }
+        BitmapEx aBitmapEx(aBitmap);
+        vcl::PngImageWriter aPngWriter(aExportStream);
+        CPPUNIT_ASSERT_EQUAL(true, aPngWriter.write(aBitmapEx));
+    }
+    aExportStream.Seek(0);
+    {
+        vcl::PngImageReader aPngReader(aExportStream);
+        BitmapEx aBitmapEx;
+        CPPUNIT_ASSERT_EQUAL(true, aPngReader.read(aBitmapEx));
+
+        CPPUNIT_ASSERT_EQUAL(Size(16, 16), aBitmapEx.GetSizePixel());
+
+        for (int i = 0; i < 16; i++)
+        {
+            for (int j = 0; j < 16; j++)
+            {
+                CPPUNIT_ASSERT_EQUAL(aRedPalette[i * 16 + j].GetRGBColor(),
+                                     aBitmapEx.GetPixelColor(j, i));
+            }
+        }
+    }
+}
+
+void PngFilterTest::testTdf153180MonochromeFilterPngExport()
+{
+    GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
+
+    Graphic aGraphicOriginal;
+    {
+        // 3 * 16 bits rgb color alpha, no background chunk
+        const OUString aURL(getFullUrl(u"bgan6a16.png"));
+        SvFileStream aFileStream(aURL, StreamMode::READ);
+        ErrCode aResult = rFilter.ImportGraphic(aGraphicOriginal, aURL, aFileStream);
+        CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, aResult);
+        CPPUNIT_ASSERT(aGraphicOriginal.IsAlpha());
+    }
+
+    // Apply the monochrome filter to the graphic but keep the alpha.
+    BitmapEx aBitmapEx(aGraphicOriginal.GetBitmapEx());
+    AlphaMask aAlphaMask(aBitmapEx.GetAlphaMask());
+
+    BitmapEx aTmpBmpEx(aBitmapEx.GetBitmap());
+    BitmapFilter::Filter(aTmpBmpEx, BitmapMonochromeFilter{ sal_uInt8{ 127 } });
+
+    Graphic aGraphicAfterFilter{ BitmapEx(aTmpBmpEx.GetBitmap(), aAlphaMask) };
+    CPPUNIT_ASSERT(aGraphicAfterFilter.IsAlpha());
+
+    // export the resulting graphic
+    utl::TempFileNamed aTempFile(u"testPngExportTdf153180", true, u".png");
+    if (!bKeepTemp)
+        aTempFile.EnableKillingFile();
+    {
+        SvStream& rStream = *aTempFile.GetStream(StreamMode::WRITE);
+        vcl::PngImageWriter aPngWriter(rStream);
+        bool bWriteSuccess = aPngWriter.write(aGraphicAfterFilter.GetBitmapEx());
+        CPPUNIT_ASSERT_EQUAL(true, bWriteSuccess);
+        aTempFile.CloseStream();
+    }
+    {
+        SvStream& rStream = *aTempFile.GetStream(StreamMode::READ);
+        rStream.Seek(0);
+        // Import the png and check that it still has alpha
+        Graphic aGraphic;
+        ErrCode aResult = rFilter.ImportGraphic(aGraphic, aTempFile.GetURL(), rStream);
+        CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, aResult);
+
+        // Without the accompanying patch would fail with:
+        // assertion failed
+        // -Expression : aGraphic.IsAlpha()
+        CPPUNIT_ASSERT(aGraphic.IsAlpha());
+    }
+}
+
+void PngFilterTest::testDump()
+{
+    utl::TempFileNamed aTempFile;
+    Bitmap aBitmap(Size(1, 1), vcl::PixelFormat::N24_BPP);
+    {
+        BitmapScopedWriteAccess pWriteAccessBitmap(aBitmap);
+        pWriteAccessBitmap->SetPixel(0, 0, BitmapColor());
+    }
+    BitmapEx aBitmapEx(aBitmap);
+    aBitmapEx.DumpAsPng(aTempFile.GetURL().toUtf8().getStr());
+    SvStream* pStream = aTempFile.GetStream(StreamMode::READ);
+    CPPUNIT_ASSERT_GREATER(static_cast<sal_uInt64>(0), pStream->remainingSize());
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(PngFilterTest);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/qa/cppunit/png/data/alpha-rect-8bit-RGBA.png b/vcl/qa/cppunit/png/data/alpha-rect-8bit-RGBA.png
new file mode 100644
index 0000000000..1e90e1a6cf
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/alpha-rect-8bit-RGBA.png
diff --git a/vcl/qa/cppunit/png/data/apng_simple.apng b/vcl/qa/cppunit/png/data/apng_simple.apng
new file mode 100644
index 0000000000..445b7acaf4
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/apng_simple.apng
diff --git a/vcl/qa/cppunit/png/data/basi0g01.png b/vcl/qa/cppunit/png/data/basi0g01.png
new file mode 100644
index 0000000000..556fa72704
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi0g01.png
diff --git a/vcl/qa/cppunit/png/data/basi0g02.png b/vcl/qa/cppunit/png/data/basi0g02.png
new file mode 100644
index 0000000000..ce09821ef1
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi0g02.png
diff --git a/vcl/qa/cppunit/png/data/basi0g04.png b/vcl/qa/cppunit/png/data/basi0g04.png
new file mode 100644
index 0000000000..3853273f93
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi0g04.png
diff --git a/vcl/qa/cppunit/png/data/basi0g08.png b/vcl/qa/cppunit/png/data/basi0g08.png
new file mode 100644
index 0000000000..faed8bec44
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi0g08.png
diff --git a/vcl/qa/cppunit/png/data/basi0g16.png b/vcl/qa/cppunit/png/data/basi0g16.png
new file mode 100644
index 0000000000..a9f28165ef
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi0g16.png
diff --git a/vcl/qa/cppunit/png/data/basi2c08.png b/vcl/qa/cppunit/png/data/basi2c08.png
new file mode 100644
index 0000000000..2aab44d42b
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi2c08.png
diff --git a/vcl/qa/cppunit/png/data/basi2c16.png b/vcl/qa/cppunit/png/data/basi2c16.png
new file mode 100644
index 0000000000..cd7e50f914
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi2c16.png
diff --git a/vcl/qa/cppunit/png/data/basi3p01.png b/vcl/qa/cppunit/png/data/basi3p01.png
new file mode 100644
index 0000000000..00a7cea6c2
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi3p01.png
diff --git a/vcl/qa/cppunit/png/data/basi3p02.png b/vcl/qa/cppunit/png/data/basi3p02.png
new file mode 100644
index 0000000000..bb16b44b30
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi3p02.png
diff --git a/vcl/qa/cppunit/png/data/basi3p04.png b/vcl/qa/cppunit/png/data/basi3p04.png
new file mode 100644
index 0000000000..b4e888e247
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi3p04.png
diff --git a/vcl/qa/cppunit/png/data/basi3p08.png b/vcl/qa/cppunit/png/data/basi3p08.png
new file mode 100644
index 0000000000..50a6d1cac7
--- /dev/null
+++ b/vcl/qa/cppunit/png/data/basi3p08.png
diff --git a/vcl/qa/cppunit/png/data/basi4a08.png b/vcl/qa/cppunit/png/data/basi4a08.png
new file mode 100644
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author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-15 05:54:39 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-15 05:54:39 +0000
commit	267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree	358c9467650e1d0a1d7227a21dac2e3d08b622b2 /vcl/qa/cppunit/png
parent	Initial commit. (diff)
download	libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip