54d63ea296
Found with bin/find-unneeded-includes Only removal proposals are dealt with here. Change-Id: I2d5ab9fd1117a4c57eb42ca849daf0949a79ff50 Reviewed-on: https://gerrit.libreoffice.org/73999 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
105 lines
4.2 KiB
C++
105 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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*/
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#include <unotest/bootstrapfixturebase.hxx>
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#include <vcl/graphicfilter.hxx>
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#include <vcl/bitmapaccess.hxx>
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#include <tools/stream.hxx>
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static OUString const gaDataUrl("/vcl/qa/cppunit/jpeg/data/");
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class JpegWriterTest : public test::BootstrapFixtureBase
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{
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OUString getFullUrl(const OUString& sFileName)
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{
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return m_directories.getURLFromSrc(gaDataUrl) + sFileName;
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}
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BitmapEx load(const OUString& aURL);
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BitmapEx roundtripJPG(const BitmapEx& bitmap);
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BitmapEx roundtripJPG(const OUString& aURL);
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public:
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void testWrite8BitGrayscale();
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void testWrite8BitNonGrayscale();
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CPPUNIT_TEST_SUITE(JpegWriterTest);
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CPPUNIT_TEST(testWrite8BitGrayscale);
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CPPUNIT_TEST(testWrite8BitNonGrayscale);
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CPPUNIT_TEST_SUITE_END();
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};
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BitmapEx JpegWriterTest::load(const OUString& aURL)
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{
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GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
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Graphic aGraphic;
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SvFileStream aFileStream(aURL, StreamMode::READ);
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ErrCode bResult = rFilter.ImportGraphic(aGraphic, aURL, aFileStream);
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CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, bResult);
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return aGraphic.GetBitmapEx();
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}
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BitmapEx JpegWriterTest::roundtripJPG(const OUString& aURL) { return roundtripJPG(load(aURL)); }
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BitmapEx JpegWriterTest::roundtripJPG(const BitmapEx& bitmap)
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{
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SvMemoryStream stream;
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GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
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sal_uInt16 exportFormatJPG = rFilter.GetExportFormatNumberForShortName(JPG_SHORTNAME);
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Graphic aExportGraphic(bitmap);
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ErrCode bResult = rFilter.ExportGraphic(aExportGraphic, "memory", stream, exportFormatJPG);
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CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, bResult);
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stream.Seek(0);
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Graphic aImportGraphic;
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sal_uInt16 importFormatJPG = rFilter.GetImportFormatNumberForShortName(JPG_SHORTNAME);
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bResult = rFilter.ImportGraphic(aImportGraphic, "memory", stream, importFormatJPG);
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CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, bResult);
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return aImportGraphic.GetBitmapEx();
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}
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void JpegWriterTest::testWrite8BitGrayscale()
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{
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Bitmap bitmap = roundtripJPG(getFullUrl("8BitGrayscale.jpg")).GetBitmap();
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Bitmap::ScopedReadAccess access(bitmap);
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const ScanlineFormat format = access->GetScanlineFormat();
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// Check that it's still 8bit grayscale.
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CPPUNIT_ASSERT_EQUAL(ScanlineFormat::N8BitPal, format);
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CPPUNIT_ASSERT(bitmap.HasGreyPalette());
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// Check that the content is valid.
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CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_WHITE), access->GetColor(0, 0));
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CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_WHITE), access->GetColor(0, access->Width() - 1));
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CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_WHITE), access->GetColor(access->Height() - 1, 0));
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CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_BLACK),
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access->GetColor(access->Height() - 1, access->Width() - 1));
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}
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void JpegWriterTest::testWrite8BitNonGrayscale()
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{
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Bitmap bitmap = roundtripJPG(getFullUrl("8BitNonGrayscale.gif")).GetBitmap();
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Bitmap::ScopedReadAccess access(bitmap);
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const ScanlineFormat format = access->GetScanlineFormat();
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// Check that it's still 8bit grayscale.
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CPPUNIT_ASSERT_EQUAL(ScanlineFormat::N8BitPal, format);
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// The original image has grayscale palette, just with entries in a different order,
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// so do not check for non-grayscale, the roundtrip apparently fixes that. What's important
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// is the content.
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// CPPUNIT_ASSERT(!bitmap.HasGreyPalette());
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// Check that the content is valid.
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CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_WHITE), access->GetColor(0, 0));
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CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_WHITE), access->GetColor(0, access->Width() - 1));
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CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_WHITE), access->GetColor(access->Height() - 1, 0));
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CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_BLACK),
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access->GetColor(access->Height() - 1, access->Width() - 1));
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}
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CPPUNIT_TEST_SUITE_REGISTRATION(JpegWriterTest);
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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