diff options
Diffstat (limited to 'vcl/qa/cppunit/complextext.cxx')
| -rw-r--r-- | vcl/qa/cppunit/complextext.cxx | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/complextext.cxx b/vcl/qa/cppunit/complextext.cxx new file mode 100644 index 000000000..85a5b3991 --- /dev/null +++ b/vcl/qa/cppunit/complextext.cxx @@ -0,0 +1,170 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#include <config_features.h> + +#include <ostream> +#include <vector> + +#if HAVE_MORE_FONTS +// must be declared before inclusion of test/bootstrapfixture.hxx +static std::ostream& operator<<(std::ostream& rStream, const std::vector<long>& rVec); +#endif +#include <test/bootstrapfixture.hxx> + +#include <vcl/wrkwin.hxx> +#include <vcl/virdev.hxx> +// workaround MSVC2015 issue with std::unique_ptr +#include <sallayout.hxx> +#include <salgdi.hxx> + +#if HAVE_MORE_FONTS +static std::ostream& operator<<(std::ostream& rStream, const std::vector<long>& rVec) +{ + rStream << "{ "; + for (size_t i = 0; i < rVec.size() - 1; i++) + rStream << rVec[i] << ", "; + rStream << rVec.back(); + rStream << " }"; + return rStream; +} +#endif + +class VclComplexTextTest : public test::BootstrapFixture +{ +public: + VclComplexTextTest() : BootstrapFixture(true, false) {} + + /// Play with font measuring etc. + void testArabic(); + void testKashida(); + void testTdf95650(); // Windows-only issue + + CPPUNIT_TEST_SUITE(VclComplexTextTest); + CPPUNIT_TEST(testArabic); + CPPUNIT_TEST(testKashida); + CPPUNIT_TEST(testTdf95650); + CPPUNIT_TEST_SUITE_END(); +}; + +void VclComplexTextTest::testArabic() +{ +#if HAVE_MORE_FONTS + const unsigned char pOneTwoThreeUTF8[] = { + 0xd9, 0x88, 0xd8, 0xa7, 0xd8, 0xad, 0xd9, 0x90, + 0xd8, 0xaf, 0xd9, 0x92, 0x20, 0xd8, 0xa5, 0xd8, + 0xab, 0xd9, 0x8d, 0xd9, 0x86, 0xd9, 0x8a, 0xd9, + 0x86, 0x20, 0xd8, 0xab, 0xd9, 0x84, 0xd8, 0xa7, + 0xd8, 0xab, 0xd8, 0xa9, 0xd9, 0x8c, 0x00 + }; + OUString aOneTwoThree( reinterpret_cast<char const *>(pOneTwoThreeUTF8), + SAL_N_ELEMENTS( pOneTwoThreeUTF8 ) - 1, + RTL_TEXTENCODING_UTF8 ); + ScopedVclPtrInstance<WorkWindow> pWin(static_cast<vcl::Window *>(nullptr)); + CPPUNIT_ASSERT( pWin ); + + vcl::Font aFont("DejaVu Sans", "Book", Size(0, 12)); + + OutputDevice *pOutDev = pWin.get(); + pOutDev->SetFont( aFont ); + + // absolute character widths AKA text array. + std::vector<long> aRefCharWidths {6, 9, 16, 16, 22, 22, 26, 29, 32, 32, + 36, 40, 49, 53, 56, 63, 63, 66, 72, 72}; + std::vector<long> aCharWidths(aOneTwoThree.getLength(), 0); + long nTextWidth = pOutDev->GetTextArray(aOneTwoThree, aCharWidths.data()); + + CPPUNIT_ASSERT_EQUAL(aRefCharWidths, aCharWidths); + // this sporadically returns 75 or 74 on some of the windows tinderboxes eg. tb73 + CPPUNIT_ASSERT_EQUAL(72L, nTextWidth); + CPPUNIT_ASSERT_EQUAL(nTextWidth, aCharWidths.back()); + + // text advance width and line height + CPPUNIT_ASSERT_EQUAL(72L, pOutDev->GetTextWidth(aOneTwoThree)); + CPPUNIT_ASSERT_EQUAL(14L, pOutDev->GetTextHeight()); + + // exact bounding rectangle, not essentially the same as text width/height + tools::Rectangle aBoundRect, aTestRect( 0, 1, 71, 15 ); + pOutDev->GetTextBoundRect(aBoundRect, aOneTwoThree); + CPPUNIT_ASSERT_EQUAL(aTestRect, aBoundRect); + +#if 0 + // FIXME: This seems to be wishful thinking, GetTextRect() does not take + // rotation into account. + + // normal orientation + tools::Rectangle aInput; + tools::Rectangle aRect = pOutDev->GetTextRect( aInput, aOneTwoThree ); + + // now rotate 270 degrees + vcl::Font aRotated( aFont ); + aRotated.SetOrientation( 2700 ); + pOutDev->SetFont( aRotated ); + tools::Rectangle aRectRot = pOutDev->GetTextRect( aInput, aOneTwoThree ); + + // Check that we did do the rotation... + fprintf( stderr, "%ld %ld %ld %ld\n", + aRect.GetWidth(), aRect.GetHeight(), + aRectRot.GetWidth(), aRectRot.GetHeight() ); + CPPUNIT_ASSERT( aRectRot.GetWidth() == aRect.GetHeight() ); + CPPUNIT_ASSERT( aRectRot.GetHeight() == aRect.GetWidth() ); +#endif +#endif +} + +void VclComplexTextTest::testKashida() +{ +#if HAVE_MORE_FONTS + // Cache the glyph list of some Arabic text. + ScopedVclPtrInstance<VirtualDevice> pOutputDevice; + auto aText + = OUString::fromUtf8(u8"ﻊﻨﺻﺭ ﺎﻠﻓﻮﺴﻓﻭﺭ ﻊﻨﺻﺭ ﻒﻟﺰﻳ ﺺﻠﺑ. ﺖﺘﻛﻮﻧ ﺎﻟﺩﻭﺭﺓ ﺎﻟﺭﺎﺒﻋﺓ ﻢﻧ ١٥ ﻊﻨﺻﺭﺍ."); + std::unique_ptr<SalLayout> pLayout = pOutputDevice->ImplLayout( + aText, 0, aText.getLength(), Point(0, 0), 0, nullptr, SalLayoutFlags::GlyphItemsOnly); + const SalLayoutGlyphs* pGlyphs = pLayout->GetGlyphs(); + if (!pGlyphs) + // Failed in some non-interesting ways. + return; + SalLayoutGlyphs aGlyphs = *pGlyphs; + + // Now lay it out using the cached glyph list. + ImplLayoutArgs aLayoutArgs(aText, 0, aText.getLength(), SalLayoutFlags::NONE, + pOutputDevice->GetFont().GetLanguageTag(), nullptr); + pLayout = pOutputDevice->GetGraphics()->GetTextLayout(0); + CPPUNIT_ASSERT(pLayout->LayoutText(aLayoutArgs, &aGlyphs)); + + // Without the accompanying fix in place, this test would have failed with 'assertion failed'. + // The kashida justification flag was lost when going via the glyph cache. + CPPUNIT_ASSERT(aLayoutArgs.mnFlags & SalLayoutFlags::KashidaJustification); +#endif +} + +void VclComplexTextTest::testTdf95650() +{ + const sal_Unicode pTxt[] = { + 0x0131, 0x0302, 0x0504, 0x4E44, 0x3031, 0x3030, 0x3531, 0x2D30, + 0x3037, 0x0706, 0x0908, 0x0B0A, 0x0D0C, 0x0F0E, 0x072E, 0x100A, + 0x0D11, 0x1312, 0x0105, 0x020A, 0x0512, 0x1403, 0x030C, 0x1528, + 0x2931, 0x632E, 0x7074, 0x0D20, 0x0E0A, 0x100A, 0xF00D, 0x0D20, + 0x030A, 0x0C0B, 0x20E0, 0x0A0D + }; + OUString aTxt(pTxt, SAL_N_ELEMENTS(pTxt) - 1); + ScopedVclPtrInstance<WorkWindow> pWin(static_cast<vcl::Window *>(nullptr)); + CPPUNIT_ASSERT(pWin); + + OutputDevice *pOutDev = pWin.get(); + // Check that the following executes without failing assertion + pOutDev->ImplLayout(aTxt, 9, 1, Point(), 0, nullptr, SalLayoutFlags::BiDiRtl); +} + +CPPUNIT_TEST_SUITE_REGISTRATION(VclComplexTextTest); + +CPPUNIT_PLUGIN_IMPLEMENT(); + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |