761 lines
30 KiB
C++
761 lines
30 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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#include <config_features.h>
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#include <config_fonts.h>
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#include <ostream>
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#include <vector>
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#include <tools/long.hxx>
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#include <vcl/glyphitemcache.hxx>
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#if HAVE_MORE_FONTS
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// must be declared before inclusion of test/bootstrapfixture.hxx
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static std::ostream& operator<<(std::ostream& rStream, const std::vector<sal_Int32>& rVec);
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static std::ostream& operator<<(std::ostream& rStream, const std::vector<double>& rVec);
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#endif
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#include <test/bootstrapfixture.hxx>
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#include <vcl/wrkwin.hxx>
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#include <vcl/virdev.hxx>
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// workaround MSVC2015 issue with std::unique_ptr
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#include <sallayout.hxx>
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#include <salgdi.hxx>
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#include <ImplLayoutArgs.hxx>
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#if HAVE_MORE_FONTS
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static std::ostream& operator<<(std::ostream& rStream, const std::vector<sal_Int32>& rVec)
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{
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rStream << "{ ";
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for (size_t i = 0; i < rVec.size() - 1; i++)
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rStream << rVec[i] << ", ";
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rStream << rVec.back();
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rStream << " }";
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return rStream;
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}
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static std::ostream& operator<<(std::ostream& rStream, const std::vector<double>& rVec)
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{
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rStream << "{ ";
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for (size_t i = 0; i < rVec.size() - 1; i++)
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rStream << rVec[i] << ", ";
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rStream << rVec.back();
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rStream << " }";
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return rStream;
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}
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#endif
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class VclComplexTextTest : public test::BootstrapFixture
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{
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#if !defined _WIN32
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OUString maDataUrl = u"/vcl/qa/cppunit/data/"_ustr;
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OUString getFullUrl(std::u16string_view sFileName)
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{
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return m_directories.getURLFromSrc(maDataUrl) + sFileName;
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}
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protected:
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bool addFont(OutputDevice* pOutDev, std::u16string_view sFileName,
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std::u16string_view sFamilyName)
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{
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OutputDevice::ImplClearAllFontData(true);
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bool bAdded = pOutDev->AddTempDevFont(getFullUrl(sFileName), OUString(sFamilyName));
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OutputDevice::ImplRefreshAllFontData(true);
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return bAdded;
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}
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#endif
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public:
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VclComplexTextTest()
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: BootstrapFixture(true, false)
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{
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}
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};
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CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testArabic)
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{
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#if HAVE_MORE_FONTS
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OUString aOneTwoThree(u"واحِدْ إثٍنين ثلاثةٌ"_ustr);
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vcl::Font aFont(u"DejaVu Sans"_ustr, u"Book"_ustr, Size(0, 2048));
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ScopedVclPtrInstance<VirtualDevice> pOutDev;
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pOutDev->SetFont( aFont );
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// absolute character widths AKA text array.
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tools::Long nRefTextWidth = 12595;
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KernArray aRefCharWidths = { 989, 1558, 2824, 2824, 3899,
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3899, 4550, 5119, 5689, 5689, 6307, 6925, 8484, 9135, 9705, 10927,
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10927, 11497, 12595, 12595 };
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KernArray aCharWidths;
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tools::Long nTextWidth
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= basegfx::fround<tools::Long>(pOutDev->GetTextArray(aOneTwoThree, &aCharWidths).nWidth);
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CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
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// this sporadically returns 75 or 74 on some of the windows tinderboxes eg. tb73
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
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// text advance width and line height
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, pOutDev->GetTextWidth(aOneTwoThree));
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CPPUNIT_ASSERT_EQUAL(tools::Long(2384), pOutDev->GetTextHeight());
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// exact bounding rectangle, not essentially the same as text width/height
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tools::Rectangle aBoundRect;
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pOutDev->GetTextBoundRect(aBoundRect, aOneTwoThree);
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CPPUNIT_ASSERT_EQUAL(tools::Long(145), aBoundRect.Left());
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CPPUNIT_ASSERT_EQUAL(tools::Long(212), aBoundRect.Top());
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CPPUNIT_ASSERT_EQUAL(tools::Long(12294), aBoundRect.GetWidth());
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CPPUNIT_ASSERT_EQUAL(tools::Long(2279), aBoundRect.getOpenHeight());
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// normal orientation
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tools::Rectangle aInput;
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tools::Rectangle aRect = pOutDev->GetTextRect( aInput, aOneTwoThree );
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// now rotate 270 degrees
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vcl::Font aRotated( aFont );
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aRotated.SetOrientation( 2700_deg10 );
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pOutDev->SetFont( aRotated );
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tools::Rectangle aRectRot = pOutDev->GetTextRect( aInput, aOneTwoThree );
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// Check that we did do the rotation...
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CPPUNIT_ASSERT_EQUAL( aRectRot.GetWidth(), aRect.GetHeight() );
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CPPUNIT_ASSERT_EQUAL( aRectRot.GetHeight(), aRect.GetWidth() );
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#endif
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}
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CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testTdf95650)
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{
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static constexpr OUStringLiteral aTxt =
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u"\u0131\u0302\u0504\u4E44\u3031\u3030\u3531\u2D30"
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"\u3037\u0706\u0908\u0B0A\u0D0C\u0F0E\u072E\u100A"
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"\u0D11\u1312\u0105\u020A\u0512\u1403\u030C\u1528"
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"\u2931\u632E\u7074\u0D20\u0E0A\u100A\uF00D\u0D20"
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"\u030A\u0C0B\u20E0\u0A0D";
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ScopedVclPtrInstance<VirtualDevice> pOutDev;
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// Check that the following executes without failing assertion
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pOutDev->ImplLayout(aTxt, 9, 1, Point(), 0, {}, {}, SalLayoutFlags::BiDiRtl);
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}
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static void checkCompareGlyphs( const SalLayoutGlyphs& aGlyphs1, const SalLayoutGlyphs& aGlyphs2,
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const std::string& message )
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{
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CPPUNIT_ASSERT_EQUAL_MESSAGE(message, aGlyphs1.IsValid(), aGlyphs2.IsValid());
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// And check it's the same.
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for( int level = 0; level < MAX_FALLBACK; ++level )
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{
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const std::string messageLevel( Concat2View(OString::Concat(std::string_view(message))
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+ ", level: " + OString::number(level)) );
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if( aGlyphs1.Impl(level) == nullptr)
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{
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CPPUNIT_ASSERT_MESSAGE(messageLevel, aGlyphs2.Impl(level) == nullptr);
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continue;
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}
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const SalLayoutGlyphsImpl* g1 = aGlyphs1.Impl(level);
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const SalLayoutGlyphsImpl* g2 = aGlyphs2.Impl(level);
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CPPUNIT_ASSERT_EQUAL_MESSAGE(messageLevel, g1->GetFont().get(), g2->GetFont().get());
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CPPUNIT_ASSERT_EQUAL_MESSAGE(messageLevel, g1->size(), g2->size());
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for( size_t i = 0; i < g1->size(); ++i )
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{
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const bool equal = (*g1)[i].isLayoutEquivalent((*g2)[i]);
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CPPUNIT_ASSERT_MESSAGE(messageLevel, equal);
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}
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}
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}
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static void testCachedGlyphs( const OUString& aText, const OUString& aFontName )
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{
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const std::string message( OUString("Font: " + aFontName + ", text: '" + aText + "'").toUtf8() );
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ScopedVclPtrInstance<VirtualDevice> pOutputDevice;
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vcl::Font aFont( aFontName, Size(0, 12));
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pOutputDevice->SetFont( aFont );
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SalLayoutGlyphsCache::self()->clear();
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// Get the glyphs for the text.
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std::unique_ptr<SalLayout> pLayout1 = pOutputDevice->ImplLayout(
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aText, 0, aText.getLength(), Point(0, 0), 0, {}, {}, SalLayoutFlags::GlyphItemsOnly);
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SalLayoutGlyphs aGlyphs1 = pLayout1->GetGlyphs();
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// Reuse the cached glyphs to get glyphs again.
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std::unique_ptr<SalLayout> pLayout2 = pOutputDevice->ImplLayout(
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aText, 0, aText.getLength(), Point(0, 0), 0, {}, {}, SalLayoutFlags::GlyphItemsOnly, nullptr, &aGlyphs1);
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SalLayoutGlyphs aGlyphs2 = pLayout2->GetGlyphs();
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checkCompareGlyphs(aGlyphs1, aGlyphs2, message + " (reuse)");
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// Get cached glyphs from SalLayoutGlyphsCache.
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const SalLayoutGlyphs* aGlyphs3 = SalLayoutGlyphsCache::self()->GetLayoutGlyphs(
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pOutputDevice, aText, 0, aText.getLength(), 0);
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CPPUNIT_ASSERT_MESSAGE(message, aGlyphs3 != nullptr);
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checkCompareGlyphs(aGlyphs1, *aGlyphs3, message + " (cache)");
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}
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// Check that caching using SalLayoutGlyphs gives same results as without caching.
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// This should preferably use fonts that come with LO.
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CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testCaching)
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{
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// Just something basic, no font fallback.
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testCachedGlyphs( u"test"_ustr, u"Dejavu Sans"_ustr );
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// This font does not have latin characters, will need fallback.
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testCachedGlyphs( u"test"_ustr, u"Noto Kufi Arabic"_ustr );
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// see tdf#103492
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testCachedGlyphs( u"يوسف My name is"_ustr, u"Liberation Sans"_ustr);
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}
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static void testCachedGlyphsSubstring( const OUString& aText, const OUString& aFontName, bool rtl )
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{
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const std::string prefix( OUString("Font: " + aFontName + ", text: '" + aText + "'").toUtf8() );
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ScopedVclPtrInstance<VirtualDevice> pOutputDevice;
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// BiDiStrong is needed, otherwise SalLayoutGlyphsImpl::cloneCharRange() will not do anything.
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vcl::text::ComplexTextLayoutFlags layoutFlags = vcl::text::ComplexTextLayoutFlags::BiDiStrong;
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if(rtl)
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layoutFlags |= vcl::text::ComplexTextLayoutFlags::BiDiRtl;
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pOutputDevice->SetLayoutMode( layoutFlags );
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vcl::Font aFont( aFontName, Size(0, 12));
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pOutputDevice->SetFont( aFont );
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SalLayoutGlyphsCache::self()->clear();
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std::shared_ptr<const vcl::text::TextLayoutCache> layoutCache = OutputDevice::CreateTextLayoutCache(aText);
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// Get the glyphs for the entire text once, to ensure the cache can built subsets from it.
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pOutputDevice->ImplLayout( aText, 0, aText.getLength(), Point(0, 0), 0, {}, {}, SalLayoutFlags::GlyphItemsOnly,
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layoutCache.get());
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// Now check for all subsets. Some of them possibly do not make sense in practice, but the code
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// should cope with them.
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for( sal_Int32 len = 1; len <= aText.getLength(); ++len )
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for( sal_Int32 pos = 0; pos < aText.getLength() - len; ++pos )
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{
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std::string message = prefix + " (" + std::to_string(pos) + "/" + std::to_string(len) + ")";
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std::unique_ptr<SalLayout> pLayout1 = pOutputDevice->ImplLayout(
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aText, pos, len, Point(0, 0), 0, {}, {}, SalLayoutFlags::GlyphItemsOnly, layoutCache.get());
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SalLayoutGlyphs aGlyphs1 = pLayout1->GetGlyphs();
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const SalLayoutGlyphs* aGlyphs2 = SalLayoutGlyphsCache::self()->GetLayoutGlyphs(
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pOutputDevice, aText, pos, len, 0, layoutCache.get());
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CPPUNIT_ASSERT_MESSAGE(message, aGlyphs2 != nullptr);
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checkCompareGlyphs(aGlyphs1, *aGlyphs2, message);
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}
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}
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// Check that SalLayoutGlyphsCache works properly when it builds a subset
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// of glyphs using SalLayoutGlyphsImpl::cloneCharRange().
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// This should preferably use fonts that come with LO.
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CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testCachingSubstring)
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{
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// Just something basic.
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testCachedGlyphsSubstring( u"test"_ustr, u"Dejavu Sans"_ustr, false );
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// And complex arabic text, taken from tdf104649.docx .
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OUString text(u"فصل (پاره 2): درخواست حاجت از ديگران و برآوردن حاجت ديگران 90"_ustr);
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testCachedGlyphsSubstring( text, u"Dejavu Sans"_ustr, true );
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// The text is RTL, but Writer will sometimes try to lay it out as LTR, for whatever reason
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// (tdf#149264)./ So make sure that gets handled properly too (SalLayoutGlyphsCache should
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// not use glyph subsets in that case).
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testCachedGlyphsSubstring( text, u"Dejavu Sans"_ustr, false );
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}
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CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testCaret)
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{
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#if HAVE_MORE_FONTS
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// Test caret placement in fonts *without* ligature carets in GDEF table.
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// Set font size to its UPEM to decrease rounding issues
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vcl::Font aFont(u"DejaVu Sans"_ustr, u"Book"_ustr, Size(0, 2048));
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ScopedVclPtrInstance<VirtualDevice> pOutDev;
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pOutDev->SetFont( aFont );
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OUString aText;
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KernArray aCharWidths;
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KernArray aRefCharWidths;
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tools::Long nTextWidth, nTextWidth2, nRefTextWidth;
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// A. RTL text
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aText = u"لا بلا"_ustr;
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// 1) Regular DX array, the ligature width is given to the first components
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// and the next ones are all zero width.
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nRefTextWidth = 3611;
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aRefCharWidths = { 1168, 1168, 1819, 2389, 3611, 3611 };
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nTextWidth = basegfx::fround<tools::Long>(
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pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ false).nWidth);
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CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
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// 2) Caret placement DX array, ligature width is distributed over its
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// components.
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aRefCharWidths = { 584, 1168, 1819, 2389, 3000, 3611 };
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nTextWidth = basegfx::fround<tools::Long>(
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pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ true).nWidth);
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CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
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// 3) caret placement with combining marks, they should not add to ligature
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// component count.
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aText = u"لَاَ بلَاَ"_ustr;
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aRefCharWidths = { 584, 584, 1168, 1168, 1819, 2389, 3000, 3000, 3611, 3611 };
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nTextWidth2 = basegfx::fround<tools::Long>(
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pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ true).nWidth);
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CPPUNIT_ASSERT_EQUAL(aCharWidths[0], aCharWidths[1]);
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CPPUNIT_ASSERT_EQUAL(aCharWidths[2], aCharWidths[3]);
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CPPUNIT_ASSERT_EQUAL(aCharWidths[6], aCharWidths[7]);
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CPPUNIT_ASSERT_EQUAL(aCharWidths[8], aCharWidths[9]);
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CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth2);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, nTextWidth2);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
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// B. LTR text
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aText = u"fi fl ffi ffl"_ustr;
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// 1) Regular DX array, the ligature width is given to the first components
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// and the next ones are all zero width.
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nRefTextWidth = 8493;
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aRefCharWidths = { 1290, 1290, 1941, 3231, 3231, 3882, 5862, 5862, 5862, 6513, 8493, 8493, 8493 };
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nTextWidth = basegfx::fround<tools::Long>(
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pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ false).nWidth);
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CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
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// 2) Caret placement DX array, ligature width is distributed over its
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// components.
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aRefCharWidths = { 645, 1290, 1941, 2586, 3231, 3882, 4542, 5202, 5862, 6513, 7173, 7833, 8493 };
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nTextWidth = basegfx::fround<tools::Long>(
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pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ true).nWidth);
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CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
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#endif
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}
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CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testGdefCaret)
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{
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#if HAVE_MORE_FONTS
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// Test caret placement in fonts *with* ligature carets in GDEF table.
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ScopedVclPtrInstance<VirtualDevice> pOutDev;
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vcl::Font aFont;
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OUString aText;
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KernArray aCharWidths;
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KernArray aRefCharWidths;
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tools::Long nTextWidth, nTextWidth2, nRefTextWidth;
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// A. RTL text
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// Set font size to its UPEM to decrease rounding issues
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aFont = vcl::Font(u"Noto Sans Arabic"_ustr, u"Regular"_ustr, Size(0, 1000));
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pOutDev->SetFont(aFont);
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aText = u"لا بلا"_ustr;
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// 1) Regular DX array, the ligature width is given to the first components
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// and the next ones are all zero width.
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nRefTextWidth = 1710;
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aRefCharWidths= { 582, 582, 842, 1111, 1710, 1710 };
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nTextWidth = basegfx::fround<tools::Long>(
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pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ false).nWidth);
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CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
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// 2) Caret placement DX array, ligature width is distributed over its
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// components.
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aRefCharWidths = { 291, 582, 842, 1111, 1410, 1710 };
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nTextWidth = basegfx::fround<tools::Long>(
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pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ true).nWidth);
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CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
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// 3) caret placement with combining marks, they should not add to ligature
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// component count.
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aText = u"لَاَ بلَاَ"_ustr;
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aRefCharWidths = { 291, 291, 582, 582, 842, 1111, 1410, 1410, 1710, 1710 };
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nTextWidth2 = basegfx::fround<tools::Long>(
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pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ true).nWidth);
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CPPUNIT_ASSERT_EQUAL(aCharWidths[0], aCharWidths[1]);
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CPPUNIT_ASSERT_EQUAL(aCharWidths[2], aCharWidths[3]);
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CPPUNIT_ASSERT_EQUAL(aCharWidths[6], aCharWidths[7]);
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CPPUNIT_ASSERT_EQUAL(aCharWidths[8], aCharWidths[9]);
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CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
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CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth2);
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CPPUNIT_ASSERT_EQUAL(nTextWidth, nTextWidth2);
|
||
CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
|
||
|
||
// B. LTR text
|
||
// Set font size to its UPEM to decrease rounding issues
|
||
aFont = vcl::Font(u"Amiri"_ustr, u"Regular"_ustr, Size(0, 1000));
|
||
pOutDev->SetFont(aFont);
|
||
|
||
aText = u"fi ffi fl ffl fb ffb"_ustr;
|
||
|
||
// 1) Regular DX array, the ligature width is given to the first components
|
||
// and the next ones are all zero width.
|
||
nRefTextWidth = 5996;
|
||
aRefCharWidths = { 519, 519, 811, 1606, 1606, 1606, 1898, 2439, 2439, 2731,
|
||
3544, 3544, 3544, 3836, 4634, 4634, 4926, 5996, 5996, 5996 };
|
||
nTextWidth = basegfx::fround<tools::Long>(
|
||
pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ false).nWidth);
|
||
CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
|
||
CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
|
||
CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
|
||
|
||
// 2) Caret placement DX array, ligature width is distributed over its
|
||
// components.
|
||
aRefCharWidths = { 269, 519, 811, 1080, 1348, 1606, 1898, 2171, 2439, 2731,
|
||
3004, 3278, 3544, 3836, 4138, 4634, 4926, 5199, 5494, 5996 };
|
||
nTextWidth = basegfx::fround<tools::Long>(
|
||
pOutDev->GetTextArray(aText, &aCharWidths, 0, -1, /*bCaret*/ true).nWidth);
|
||
CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
|
||
CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
|
||
CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
|
||
#endif
|
||
}
|
||
|
||
CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testTdf152048)
|
||
{
|
||
#if HAVE_MORE_FONTS
|
||
OUString aText(u"میشود"_ustr);
|
||
|
||
vcl::Font aFont(u"Noto Naskh Arabic"_ustr, u"Regular"_ustr, Size(0, 2048));
|
||
|
||
ScopedVclPtrInstance<VirtualDevice> pOutDev;
|
||
pOutDev->SetFont(aFont);
|
||
|
||
// get an compare the default text array
|
||
KernArray aRefCharWidths{ 934, 2341, 2341, 3689, 4647, 5495 };
|
||
tools::Long nRefTextWidth(5495);
|
||
|
||
KernArray aCharWidths;
|
||
tools::Long nTextWidth
|
||
= basegfx::fround<tools::Long>(pOutDev->GetTextArray(aText, &aCharWidths).nWidth);
|
||
|
||
CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
|
||
CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
|
||
CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
|
||
|
||
// Simulate Kashida insertion using Kashida array and extending text array
|
||
// to have room for Kashida.
|
||
std::vector<sal_Bool> aKashidaArray{ false, false, false, true, false, false };
|
||
auto nKashida = 4000;
|
||
|
||
aCharWidths[3] += nKashida;
|
||
aCharWidths[4] += nKashida;
|
||
aCharWidths[5] += nKashida;
|
||
auto pLayout = pOutDev->ImplLayout(aText, 0, -1, Point(0, 0), 0, aCharWidths, aKashidaArray);
|
||
|
||
// Without the fix this fails with:
|
||
// - Expected: 393
|
||
// - Actual : 511
|
||
CPPUNIT_ASSERT_EQUAL(double(nRefTextWidth + nKashida), pLayout->GetTextWidth());
|
||
#endif
|
||
}
|
||
|
||
CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testTdf152048_2)
|
||
{
|
||
#if HAVE_MORE_FONTS
|
||
vcl::Font aFont(u"Noto Naskh Arabic"_ustr, u"Regular"_ustr, Size(0, 72));
|
||
|
||
ScopedVclPtrInstance<VirtualDevice> pOutDev;
|
||
pOutDev->SetFont(aFont);
|
||
|
||
// get an compare the default text array
|
||
KernArray aCharWidths;
|
||
auto nTextWidth
|
||
= basegfx::fround<tools::Long>(pOutDev->GetTextArray(u"ع a ع"_ustr, &aCharWidths).nWidth);
|
||
|
||
// Text width should always be equal to the width of the last glyph in the
|
||
// kern array.
|
||
// Without the fix this fails with:
|
||
// - Expected: 158
|
||
// - Actual : 118
|
||
CPPUNIT_ASSERT_EQUAL(tools::Long(aCharWidths.back()), nTextWidth);
|
||
#endif
|
||
}
|
||
|
||
CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testTdf153440)
|
||
{
|
||
#if HAVE_MORE_FONTS
|
||
vcl::Font aFont(u"Noto Naskh Arabic"_ustr, u"Regular"_ustr, Size(0, 72));
|
||
|
||
ScopedVclPtrInstance<VirtualDevice> pOutDev;
|
||
pOutDev->SetFont(aFont);
|
||
|
||
#if !defined _WIN32 // TODO: Fails on jenkins but passes locally
|
||
// Add an emoji font so that we are sure a font will be found for the
|
||
// emoji. The font is subset and supports only 🌿.
|
||
bool bAdded = addFont(pOutDev, u"tdf153440.ttf", u"Noto Emoji");
|
||
CPPUNIT_ASSERT_EQUAL(true, bAdded);
|
||
#endif
|
||
|
||
for (auto& aString : { u"ع 🌿 ع", u"a 🌿 a" })
|
||
{
|
||
OUString aText(aString);
|
||
bool bRTL = aText.startsWith(u"ع");
|
||
|
||
auto pLayout = pOutDev->ImplLayout(aText, 0, -1, Point(0, 0), 0, {}, {});
|
||
|
||
int nStart = 0;
|
||
basegfx::B2DPoint aPos;
|
||
const GlyphItem* pGlyphItem;
|
||
while (pLayout->GetNextGlyph(&pGlyphItem, aPos, nStart))
|
||
{
|
||
// Assert glyph ID is not 0, if it is 0 then font fallback didn’t
|
||
// happen.
|
||
CPPUNIT_ASSERT(pGlyphItem->glyphId());
|
||
|
||
// Assert that we are indeed doing RTL layout for RTL text since
|
||
// the bug does not happen for LTR text.
|
||
CPPUNIT_ASSERT_EQUAL(bRTL, pGlyphItem->IsRTLGlyph());
|
||
}
|
||
}
|
||
#endif
|
||
}
|
||
|
||
CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testMixedCJKLatinScript_glyph_advancements)
|
||
{
|
||
#if HAVE_MORE_FONTS
|
||
#if !defined _WIN32
|
||
OUString aTestScript(u"根据10.1(37BA) Eng"_ustr);
|
||
|
||
ScopedVclPtrInstance<VirtualDevice> pOutDev;
|
||
// note you can only run this once and it was designed for tdf#107718
|
||
bool bAdded = addFont(pOutDev, u"tdf107718.otf", u"Source Han Sans");
|
||
CPPUNIT_ASSERT_EQUAL(true, bAdded);
|
||
|
||
vcl::Font aFont(u"Source Han Sans"_ustr, u"Regular"_ustr, Size(0, 72));
|
||
pOutDev->SetFont( aFont );
|
||
|
||
vcl::Font aFallbackFont(u"DejaVu Sans"_ustr, u"Book"_ustr, Size(0, 72));
|
||
pOutDev->ForceFallbackFont(aFallbackFont);
|
||
|
||
// absolute character widths AKA text array.
|
||
tools::Long nRefTextWidth = 704;
|
||
KernArray aRefCharWidths = { 72, 144, 190, 236, 259, 305, 333, 379, 425, 474, 523, 551, 567, 612, 658, 704 };
|
||
KernArray aCharWidths;
|
||
tools::Long nTextWidth
|
||
= basegfx::fround<tools::Long>(pOutDev->GetTextArray(aTestScript, &aCharWidths).nWidth);
|
||
|
||
CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths);
|
||
CPPUNIT_ASSERT_EQUAL(nRefTextWidth, nTextWidth);
|
||
CPPUNIT_ASSERT_EQUAL(nTextWidth, tools::Long(aCharWidths.back()));
|
||
|
||
// text advance width and line height
|
||
CPPUNIT_ASSERT_EQUAL(nRefTextWidth, pOutDev->GetTextWidth(aTestScript));
|
||
CPPUNIT_ASSERT_EQUAL(tools::Long(105), pOutDev->GetTextHeight());
|
||
#endif
|
||
#endif
|
||
}
|
||
|
||
CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testTdf107718)
|
||
{
|
||
#if HAVE_MORE_FONTS
|
||
#if !defined _WIN32 // TODO: Fails on jenkins but passes locally
|
||
vcl::Font aFont(u"Source Han Sans"_ustr, u"Regular"_ustr, Size(0, 72));
|
||
|
||
ScopedVclPtrInstance<VirtualDevice> pOutDev;
|
||
|
||
OUString aText(u"\u4E16\u1109\u1168\u11BC\u302E"_ustr);
|
||
for (bool bVertical : { false, true })
|
||
{
|
||
aFont.SetVertical(bVertical);
|
||
pOutDev->SetFont(aFont);
|
||
|
||
auto pLayout = pOutDev->ImplLayout(aText, 0, -1, Point(0, 0), 0, {}, {});
|
||
|
||
int nStart = 0;
|
||
basegfx::B2DPoint aPos;
|
||
const GlyphItem* pGlyphItem;
|
||
while (pLayout->GetNextGlyph(&pGlyphItem, aPos, nStart))
|
||
{
|
||
// Check that we found a font for all characters, a zero glyph ID
|
||
// means no font was found so the rest of the test would be
|
||
// meaningless.
|
||
CPPUNIT_ASSERT(pGlyphItem->glyphId());
|
||
|
||
// Assert that we are indeed doing vertical layout for vertical
|
||
// font since the bug does not happen for horizontal text.
|
||
CPPUNIT_ASSERT_EQUAL(bVertical, pGlyphItem->IsVertical());
|
||
|
||
// For the second glyph, assert that it is a composition of characters 1 to 4
|
||
// Without the fix this fails with:
|
||
// - Expected: 4
|
||
// - Actual : 1
|
||
if (nStart == 2)
|
||
{
|
||
CPPUNIT_ASSERT_EQUAL(1, pGlyphItem->charPos());
|
||
CPPUNIT_ASSERT_EQUAL(4, pGlyphItem->charCount());
|
||
}
|
||
}
|
||
|
||
// Assert there are only three glyphs
|
||
// Without the fix this fails with:
|
||
// - Expected: 3
|
||
// - Actual : 5
|
||
CPPUNIT_ASSERT_EQUAL(3, nStart);
|
||
}
|
||
#endif
|
||
#endif
|
||
}
|
||
|
||
CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testTdf107612)
|
||
{
|
||
#if HAVE_MORE_FONTS
|
||
vcl::Font aFont(u"DejaVu Sans"_ustr, u"Book"_ustr, Size(0, 72));
|
||
|
||
ScopedVclPtrInstance<VirtualDevice> pOutDev;
|
||
pOutDev->SetFont(aFont);
|
||
|
||
auto pLayout = pOutDev->ImplLayout(u"a\u202F\u1823"_ustr, 0, -1, Point(0, 0), 0, {}, {});
|
||
|
||
// If font fallback happened, then the returned layout must be a
|
||
// MultiSalLayout instance.
|
||
auto pMultiLayout = dynamic_cast<MultiSalLayout*>(pLayout.get());
|
||
CPPUNIT_ASSERT(pMultiLayout);
|
||
|
||
auto pFallbackRuns = pMultiLayout->GetFallbackRuns();
|
||
CPPUNIT_ASSERT(!pFallbackRuns->IsEmpty());
|
||
|
||
bool bRTL;
|
||
int nCharPos = -1;
|
||
std::vector<sal_Int32> aFallbacks;
|
||
while (pFallbackRuns->GetNextPos(&nCharPos, &bRTL))
|
||
aFallbacks.push_back(nCharPos);
|
||
|
||
// Assert that U+202F is included in the fallback run.
|
||
// Without the fix this fails with:
|
||
// - Expected: { 1, 2 }
|
||
// - Actual : { 2 }
|
||
std::vector<sal_Int32> aExpctedFallbacks = { 1, 2 };
|
||
CPPUNIT_ASSERT_EQUAL(aExpctedFallbacks, aExpctedFallbacks);
|
||
#endif
|
||
}
|
||
|
||
CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testPartialKoreanJamoComposition)
|
||
{
|
||
OUString aStr = u"은"_ustr;
|
||
vcl::Font aFont(u"DejaVu Sans"_ustr, u"Book"_ustr, Size(0, 2048));
|
||
|
||
ScopedVclPtrInstance<VirtualDevice> pOutDev;
|
||
pOutDev->SetFont(aFont);
|
||
|
||
// Absolute character widths for the complete array.
|
||
KernArray aCompleteWidths;
|
||
auto nCompleteWidth = pOutDev->GetTextArray(aStr, &aCompleteWidths).nWidth;
|
||
|
||
CPPUNIT_ASSERT_EQUAL(size_t{ 3 }, aCompleteWidths.size());
|
||
|
||
// Accumulate partial widths
|
||
double nPartialWidth = 0.0;
|
||
|
||
sal_Int32 nPrevWidth = 0;
|
||
for (sal_Int32 i = 0; i < 3; ++i)
|
||
{
|
||
KernArray aFragmentWidths;
|
||
auto nFragmentWidth
|
||
= pOutDev
|
||
->GetPartialTextArray(aStr, &aFragmentWidths, /*nIndex*/ 0, /*nLen*/ 3,
|
||
/*nPartIndex*/ i, /*nPartLen*/ 1)
|
||
.nWidth;
|
||
nPartialWidth += nFragmentWidth;
|
||
|
||
CPPUNIT_ASSERT_EQUAL(size_t{ 1 }, aFragmentWidths.size());
|
||
CPPUNIT_ASSERT_EQUAL(aCompleteWidths[i] - nPrevWidth, aFragmentWidths[0]);
|
||
nPrevWidth = aCompleteWidths[i];
|
||
}
|
||
|
||
CPPUNIT_ASSERT_DOUBLES_EQUAL(nCompleteWidth, nPartialWidth, /*delta*/ 0.01);
|
||
}
|
||
|
||
CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testPartialArabicComposition)
|
||
{
|
||
OUString aStr = u"سُكُونْ"_ustr;
|
||
vcl::Font aFont(u"DejaVu Sans"_ustr, u"Book"_ustr, Size(0, 2048));
|
||
|
||
ScopedVclPtrInstance<VirtualDevice> pOutDev;
|
||
pOutDev->SetFont(aFont);
|
||
|
||
// Absolute character widths for the complete array.
|
||
KernArray aCompleteWidths;
|
||
auto nCompleteWidth = pOutDev->GetTextArray(aStr, &aCompleteWidths).nWidth;
|
||
|
||
CPPUNIT_ASSERT_EQUAL(size_t{ 7 }, aCompleteWidths.size());
|
||
|
||
// Accumulate partial widths
|
||
double nPartialWidth = 0.0;
|
||
|
||
sal_Int32 nPrevWidth = 0;
|
||
for (sal_Int32 i = 0; i < 7; ++i)
|
||
{
|
||
KernArray aFragmentWidths;
|
||
auto nFragmentWidth
|
||
= pOutDev
|
||
->GetPartialTextArray(aStr, &aFragmentWidths, /*nIndex*/ 0, /*nLen*/ 7,
|
||
/*nPartIndex*/ i, /*nPartLen*/ 1)
|
||
.nWidth;
|
||
nPartialWidth += nFragmentWidth;
|
||
|
||
CPPUNIT_ASSERT_EQUAL(size_t{ 1 }, aFragmentWidths.size());
|
||
CPPUNIT_ASSERT_EQUAL(aCompleteWidths[i] - nPrevWidth, aFragmentWidths[0]);
|
||
nPrevWidth = aCompleteWidths[i];
|
||
}
|
||
|
||
CPPUNIT_ASSERT_DOUBLES_EQUAL(nCompleteWidth, nPartialWidth, /*delta*/ 0.01);
|
||
}
|
||
|
||
CPPUNIT_TEST_FIXTURE(VclComplexTextTest, testTdf163215)
|
||
{
|
||
OUString aStr = u"ببببب"_ustr;
|
||
vcl::Font aFont(u"DejaVu Sans"_ustr, u"Book"_ustr, Size(0, 2048));
|
||
|
||
ScopedVclPtrInstance<VirtualDevice> pOutDev;
|
||
pOutDev->SetFont(aFont);
|
||
|
||
// Characteristic case with kashida position validation
|
||
auto pLayout1 = pOutDev->ImplLayout(aStr, 0, aStr.getLength(), Point(), 0, {}, {},
|
||
SalLayoutFlags::GlyphItemsOnly);
|
||
CPPUNIT_ASSERT(pLayout1->HasFontKashidaPositions());
|
||
|
||
SalLayoutGlyphs aGlyphs1 = pLayout1->GetGlyphs();
|
||
|
||
std::vector<bool> aFoundPositions1;
|
||
for (const auto& stGlyph : *aGlyphs1.Impl(0))
|
||
{
|
||
aFoundPositions1.push_back(stGlyph.IsSafeToInsertKashida());
|
||
}
|
||
|
||
CPPUNIT_ASSERT_EQUAL(size_t(5), aFoundPositions1.size());
|
||
CPPUNIT_ASSERT(aFoundPositions1.at(0));
|
||
CPPUNIT_ASSERT(aFoundPositions1.at(1));
|
||
CPPUNIT_ASSERT(aFoundPositions1.at(2));
|
||
CPPUNIT_ASSERT(aFoundPositions1.at(3));
|
||
CPPUNIT_ASSERT(!aFoundPositions1.at(4));
|
||
|
||
// Case with kashida position validation disabled
|
||
auto pLayout2 = pOutDev->ImplLayout(aStr, 0, aStr.getLength(), Point(), 0, {}, {},
|
||
SalLayoutFlags::GlyphItemsOnly
|
||
| SalLayoutFlags::DisableKashidaValidation);
|
||
CPPUNIT_ASSERT(!pLayout2->HasFontKashidaPositions());
|
||
|
||
SalLayoutGlyphs aGlyphs2 = pLayout2->GetGlyphs();
|
||
|
||
std::vector<bool> aFoundPositions2;
|
||
for (const auto& stGlyph : *aGlyphs2.Impl(0))
|
||
{
|
||
aFoundPositions2.push_back(stGlyph.IsSafeToInsertKashida());
|
||
}
|
||
|
||
// With position validation disabled, all positions must be marked as valid
|
||
CPPUNIT_ASSERT_EQUAL(size_t(5), aFoundPositions2.size());
|
||
CPPUNIT_ASSERT(aFoundPositions2.at(0));
|
||
CPPUNIT_ASSERT(aFoundPositions2.at(1));
|
||
CPPUNIT_ASSERT(aFoundPositions2.at(2));
|
||
CPPUNIT_ASSERT(aFoundPositions2.at(3));
|
||
CPPUNIT_ASSERT(aFoundPositions2.at(4));
|
||
}
|
||
|
||
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|