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/* -*- 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: */
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