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qt6windows7/tests/auto/gui/text/qtextscriptengine/tst_qtextscriptengine.cpp
kleuter 85d238dfda qt 6.5.1 original
2023-10-29 23:33:08 +01:00

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#include <private/qfontengine_p.h>
#include <private/qtextengine_p.h>
#include <qtextlayout.h>
#include <qfontdatabase.h>
#include <qfontinfo.h>
class tst_QTextScriptEngine : public QObject
{
Q_OBJECT
public:
tst_QTextScriptEngine();
private slots:
void initTestCase();
void devanagari_data();
void devanagari();
void bengali_data();
void bengali();
void gurmukhi_data();
void gurmukhi();
// gujarati missing
void oriya_data();
void oriya();
void tamil_data();
void tamil();
void telugu_data();
void telugu();
void kannada_data();
void kannada();
void malayalam_data();
void malayalam();
void sinhala_data();
void sinhala();
void khmer_data();
void khmer();
void linearB_data();
void linearB();
void greek_data();
void greek();
void mirroredChars_data();
void mirroredChars();
void controlInSyllable_qtbug14204();
void combiningMarks_qtbug15675_data();
void combiningMarks_qtbug15675();
void thaiIsolatedSaraAm();
void thaiWithZWJ();
void thaiMultipleVowels();
void shapingDisabledDevanagari();
void shapingDisabledLatin();
void privateUseArea();
private:
bool haveTestFonts;
};
tst_QTextScriptEngine::tst_QTextScriptEngine()
: haveTestFonts(qgetenv("QT_HAVE_TEST_FONTS") == QByteArray("1"))
{
}
void tst_QTextScriptEngine::initTestCase()
{
if (!haveTestFonts) {
qWarning(
"Some of these tests depend on the internals of some test fonts which are not freely "
"distributable.\n"
"These tests will be skipped.\n"
"If you have the fonts available, set QT_HAVE_TEST_FONTS=1 in your environment and "
"run the test again."
);
}
}
struct ShapeTable {
unsigned short unicode[16];
unsigned short glyphs[16];
};
static void prepareShapingTest(const QFont &font, const ShapeTable *shape_table)
{
for (const ShapeTable *s = shape_table; s->unicode[0]; ++s) {
QByteArray testName = font.family().toLatin1() + ':';
QString string;
for (const ushort *u = s->unicode; *u; ++u) {
string.append(QChar(*u));
testName.append(" 0x" + QByteArray::number(*u, 16));
}
QList<ushort> glyphs;
for (const ushort *g = s->glyphs; *g; ++g)
glyphs.append(*g);
QTest::newRow(testName.constData()) << font << string << glyphs;
}
}
static void doShapingTests()
{
QFETCH(QFont, font);
QFETCH(QString, string);
QFETCH(QList<ushort>, glyphs);
QVERIFY(!string.isEmpty());
QTextLayout layout(string, font);
QTextEngine *e = layout.engine();
e->itemize();
e->shape(0);
QVERIFY(!e->layoutData->items.isEmpty());
if (e->fontEngine(e->layoutData->items[0])->type() == QFontEngine::Box)
QSKIP("OpenType support missing for script");
QCOMPARE(e->fontEngine(e->layoutData->items[0])->fontDef.families.first(), font.family());
ushort nglyphs = glyphs.size();
if (!glyphs.isEmpty()) {
QCOMPARE(e->layoutData->items[0].num_glyphs, nglyphs);
for (ushort i = 0; i < glyphs.size(); ++i) {
ushort glyph = (e->layoutData->glyphLayout.glyphs[i] & 0xffffff);
QCOMPARE(glyph, glyphs.at(i));
}
} else {
// decomposed shaping
if (string.at(0) == QChar(0x1fc1) || string.at(0) == QChar(0x1fed))
return;
if (string.normalized(QString::NormalizationForm_D).normalized(QString::NormalizationForm_C) != string)
return;
QTextLayout decomposedLayout(string.normalized(QString::NormalizationForm_D), font);
QTextEngine *de = decomposedLayout.engine();
de->itemize();
de->shape(0);
QCOMPARE(de->layoutData->items[0].num_glyphs, e->layoutData->items[0].num_glyphs);
for (ushort i = 0; i < nglyphs; ++i) {
ushort glyph = (e->layoutData->glyphLayout.glyphs[i] & 0xffffff);
ushort glyph2 = (de->layoutData->glyphLayout.glyphs[i] & 0xffffff);
QCOMPARE(glyph2, glyph);
}
}
}
void tst_QTextScriptEngine::devanagari_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Devanagari).contains("Raghindi")) {
QFont f("Raghindi");
const ShapeTable shape_table [] = {
// Ka
{ { 0x0915, 0x0 },
{ 0x0080, 0x0 } },
// Ka Halant
{ { 0x0915, 0x094d, 0x0 },
{ 0x0080, 0x0051, 0x0 } },
// Ka Halant Ka
{ { 0x0915, 0x094d, 0x0915, 0x0 },
{ 0x00c8, 0x0080, 0x0 } },
// Ka MatraI
{ { 0x0915, 0x093f, 0x0 },
{ 0x01d1, 0x0080, 0x0 } },
// Ra Halant Ka
{ { 0x0930, 0x094d, 0x0915, 0x0 },
{ 0x0080, 0x005b, 0x0 } },
// Ra Halant Ka MatraI
{ { 0x0930, 0x094d, 0x0915, 0x093f, 0x0 },
{ 0x01d1, 0x0080, 0x005b, 0x0 } },
// MatraI
{ { 0x093f, 0x0 },
{ 0x01d4, 0x029c, 0x0 } },
// Ka Nukta
{ { 0x0915, 0x093c, 0x0 },
{ 0x00a4, 0x0 } },
// Ka Halant Ra
{ { 0x0915, 0x094d, 0x0930, 0x0 },
{ 0x0110, 0x0 } },
// Ka Halant Ra Halant Ka
{ { 0x0915, 0x094d, 0x0930, 0x094d, 0x0915, 0x0 },
{ 0x0158, 0x0080, 0x0 } },
{ { 0x0930, 0x094d, 0x200d, 0x0 },
{ 0x00e2, 0x0 } },
{ { 0x0915, 0x094d, 0x0930, 0x094d, 0x200d, 0x0 },
{ 0x0158, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Raghindi");
}
{
if (QFontDatabase::families(QFontDatabase::Devanagari).contains("Mangal")) {
QFont f("Mangal");
const ShapeTable shape_table [] = {
// Ka
{ { 0x0915, 0x0 },
{ 0x0080, 0x0 } },
// Ka Halant
{ { 0x0915, 0x094d, 0x0 },
{ 0x0080, 0x0051, 0x0 } },
// Ka Halant Ka
{ { 0x0915, 0x094d, 0x0915, 0x0 },
{ 0x00c8, 0x0080, 0x0 } },
// Ka MatraI
{ { 0x0915, 0x093f, 0x0 },
{ 0x01d1, 0x0080, 0x0 } },
// Ra Halant Ka
{ { 0x0930, 0x094d, 0x0915, 0x0 },
{ 0x0080, 0x005b, 0x0 } },
// Ra Halant Ka MatraI
{ { 0x0930, 0x094d, 0x0915, 0x093f, 0x0 },
{ 0x01d1, 0x0080, 0x005b, 0x0 } },
// MatraI
{ { 0x093f, 0x0 },
{ 0x01d4, 0x029c, 0x0 } },
// Ka Nukta
{ { 0x0915, 0x093c, 0x0 },
{ 0x00a4, 0x0 } },
// Ka Halant Ra
{ { 0x0915, 0x094d, 0x0930, 0x0 },
{ 0x0110, 0x0 } },
// Ka Halant Ra Halant Ka
{ { 0x0915, 0x094d, 0x0930, 0x094d, 0x0915, 0x0 },
{ 0x0158, 0x0080, 0x0 } },
{ { 0x92b, 0x94d, 0x930, 0x0 },
{ 0x125, 0x0 } },
{ { 0x92b, 0x93c, 0x94d, 0x930, 0x0 },
{ 0x149, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find mangal");
}
}
void tst_QTextScriptEngine::devanagari()
{
doShapingTests();
}
void tst_QTextScriptEngine::bengali_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Bengali).contains("Akaash")) {
QFont f("Akaash");
const ShapeTable shape_table [] = {
// Ka
{ { 0x0995, 0x0 },
{ 0x0151, 0x0 } },
// Ka Halant
{ { 0x0995, 0x09cd, 0x0 },
{ 0x0151, 0x017d, 0x0 } },
// Ka Halant Ka
{ { 0x0995, 0x09cd, 0x0995, 0x0 },
{ 0x019b, 0x0 } },
// Ka MatraI
{ { 0x0995, 0x09bf, 0x0 },
{ 0x0173, 0x0151, 0x0 } },
// Ra Halant Ka
{ { 0x09b0, 0x09cd, 0x0995, 0x0 },
{ 0x0151, 0x0276, 0x0 } },
// Ra Halant Ka MatraI
{ { 0x09b0, 0x09cd, 0x0995, 0x09bf, 0x0 },
{ 0x0173, 0x0151, 0x0276, 0x0 } },
// Ka Nukta
{ { 0x0995, 0x09bc, 0x0 },
{ 0x0151, 0x0171, 0x0 } },
// Ka Halant Ra
{ { 0x0995, 0x09cd, 0x09b0, 0x0 },
{ 0x01f4, 0x0 } },
// Ka Halant Ra Halant Ka
{ { 0x0995, 0x09cd, 0x09b0, 0x09cd, 0x0995, 0x0 },
{ 0x025c, 0x0276, 0x0151, 0x0 } },
// Ya + Halant
{ { 0x09af, 0x09cd, 0x0 },
{ 0x016a, 0x017d, 0x0 } },
// Da Halant Ya -> Da Ya-Phala
{ { 0x09a6, 0x09cd, 0x09af, 0x0 },
{ 0x01e5, 0x0 } },
// A Halant Ya -> A Ya-phala
{ { 0x0985, 0x09cd, 0x09af, 0x0 },
{ 0x0145, 0x01cf, 0x0 } },
// Na Halant Ka
{ { 0x09a8, 0x09cd, 0x0995, 0x0 },
{ 0x026f, 0x0151, 0x0 } },
// Na Halant ZWNJ Ka
{ { 0x09a8, 0x09cd, 0x200c, 0x0995, 0x0 },
{ 0x0164, 0x017d, 0x0151, 0x0 } },
// Na Halant ZWJ Ka
{ { 0x09a8, 0x09cd, 0x200d, 0x0995, 0x0 },
{ 0x026f, 0x0151, 0x0 } },
// Ka Halant ZWNJ Ka
{ { 0x0995, 0x09cd, 0x200c, 0x0995, 0x0 },
{ 0x0151, 0x017d, 0x0151, 0x0 } },
// Ka Halant ZWJ Ka
{ { 0x0995, 0x09cd, 0x200d, 0x0995, 0x0 },
{ 0x025c, 0x0151, 0x0 } },
// Na Halant Ra
{ { 0x09a8, 0x09cd, 0x09b0, 0x0 },
{ 0x0207, 0x0 } },
// Na Halant ZWNJ Ra
{ { 0x09a8, 0x09cd, 0x200c, 0x09b0, 0x0 },
{ 0x0164, 0x017d, 0x016b, 0x0 } },
// Na Halant ZWJ Ra
{ { 0x09a8, 0x09cd, 0x200d, 0x09b0, 0x0 },
{ 0x026f, 0x016b, 0x0 } },
// Na Halant Ba
{ { 0x09a8, 0x09cd, 0x09ac, 0x0 },
{ 0x022f, 0x0 } },
// Na Halant ZWNJ Ba
{ { 0x09a8, 0x09cd, 0x200c, 0x09ac, 0x0 },
{ 0x0164, 0x017d, 0x0167, 0x0 } },
// Na Halant ZWJ Ba
{ { 0x09a8, 0x09cd, 0x200d, 0x09ac, 0x0 },
{ 0x026f, 0x0167, 0x0 } },
// Na Halant Dha
{ { 0x09a8, 0x09cd, 0x09a7, 0x0 },
{ 0x01d3, 0x0 } },
// Na Halant ZWNJ Dha
{ { 0x09a8, 0x09cd, 0x200c, 0x09a7, 0x0 },
{ 0x0164, 0x017d, 0x0163, 0x0 } },
// Na Halant ZWJ Dha
{ { 0x09a8, 0x09cd, 0x200d, 0x09a7, 0x0 },
{ 0x026f, 0x0163, 0x0 } },
// Ra Halant Ka MatraAU
{ { 0x09b0, 0x09cd, 0x0995, 0x09cc, 0x0 },
{ 0x0179, 0x0151, 0x0276, 0x017e, 0x0 } },
// Ra Halant Ba Halant Ba
{ { 0x09b0, 0x09cd, 0x09ac, 0x09cd, 0x09ac, 0x0 },
{ 0x0232, 0x0276, 0x0 } },
{ { 0x9b0, 0x9cd, 0x995, 0x9be, 0x982, 0x0 },
{ 0x151, 0x276, 0x172, 0x143, 0x0 } },
{ { 0x9b0, 0x9cd, 0x995, 0x9be, 0x983, 0x0 },
{ 0x151, 0x276, 0x172, 0x144, 0x0 } },
// test decomposed two parts matras
{ { 0x995, 0x9c7, 0x9be, 0x0 },
{ 0x179, 0x151, 0x172, 0x0 } },
{ { 0x995, 0x9c7, 0x9d7, 0x0 },
{ 0x179, 0x151, 0x17e, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Akaash");
}
{
if (QFontDatabase::families(QFontDatabase::Bengali).contains("Mukti Narrow")) {
QFont f("Mukti Narrow");
const ShapeTable shape_table [] = {
// Ka
{ { 0x0995, 0x0 },
{ 0x0073, 0x0 } },
// Ka Halant
{ { 0x0995, 0x09cd, 0x0 },
{ 0x00b9, 0x0 } },
// Ka Halant Ka
{ { 0x0995, 0x09cd, 0x0995, 0x0 },
{ 0x0109, 0x0 } },
// Ka MatraI
{ { 0x0995, 0x09bf, 0x0 },
{ 0x0095, 0x0073, 0x0 } },
// Ra Halant Ka
{ { 0x09b0, 0x09cd, 0x0995, 0x0 },
{ 0x0073, 0x00e1, 0x0 } },
// Ra Halant Ka MatraI
{ { 0x09b0, 0x09cd, 0x0995, 0x09bf, 0x0 },
{ 0x0095, 0x0073, 0x00e1, 0x0 } },
// MatraI
{ { 0x09bf, 0x0 },
{ 0x0095, 0x01c8, 0x0 } },
// Ka Nukta
{ { 0x0995, 0x09bc, 0x0 },
{ 0x0073, 0x0093, 0x0 } },
// Ka Halant Ra
{ { 0x0995, 0x09cd, 0x09b0, 0x0 },
{ 0x00e5, 0x0 } },
// Ka Halant Ra Halant Ka
{ { 0x995, 0x9cd, 0x9b0, 0x9cd, 0x995, 0x0 },
{ 0x234, 0x24e, 0x73, 0x0 } },
// Ya + Halant
{ { 0x09af, 0x09cd, 0x0 },
{ 0x00d2, 0x0 } },
// Da Halant Ya -> Da Ya-Phala
{ { 0x09a6, 0x09cd, 0x09af, 0x0 },
{ 0x0084, 0x00e2, 0x0 } },
// A Halant Ya -> A Ya-phala
{ { 0x0985, 0x09cd, 0x09af, 0x0 },
{ 0x0067, 0x00e2, 0x0 } },
// Na Halant Ka
{ { 0x09a8, 0x09cd, 0x0995, 0x0 },
{ 0x0188, 0x0 } },
// Na Halant ZWNJ Ka
{ { 0x9a8, 0x9cd, 0x200c, 0x995, 0x0 },
{ 0xcc, 0x73, 0x0 } },
// Na Halant ZWJ Ka
{ { 0x9a8, 0x9cd, 0x200d, 0x995, 0x0 },
{ 0x247, 0x73, 0x0 } },
// Ka Halant ZWNJ Ka
{ { 0x9a8, 0x9cd, 0x200d, 0x995, 0x0 },
{ 0x247, 0x73, 0x0 } },
// Ka Halant ZWJ Ka
{ { 0x9a8, 0x9cd, 0x200d, 0x995, 0x0 },
{ 0x247, 0x73, 0x0 } },
// Na Halant Ra
{ { 0x09a8, 0x09cd, 0x09b0, 0x0 },
{ 0x00f8, 0x0 } },
// Na Halant ZWNJ Ra
{ { 0x09a8, 0x09cd, 0x200c, 0x09b0, 0x0 },
{ 0xcc, 0x8d, 0x0 } },
// Na Halant ZWJ Ra
{ { 0x9a8, 0x9cd, 0x200d, 0x9b0, 0x0 },
{ 0x247, 0x8d, 0x0 } },
// Na Halant Ba
{ { 0x09a8, 0x09cd, 0x09ac, 0x0 },
{ 0x0139, 0x0 } },
// Na Halant ZWNJ Ba
{ { 0x9a8, 0x9cd, 0x200c, 0x9ac, 0x0 },
{ 0xcc, 0x89, 0x0 } },
// Na Halant ZWJ Ba
{ { 0x9a8, 0x9cd, 0x200d, 0x9ac, 0x0 },
{ 0x247, 0x89, 0x0 } },
// Na Halant Dha
{ { 0x09a8, 0x09cd, 0x09a7, 0x0 },
{ 0x0145, 0x0 } },
// Na Halant ZWNJ Dha
{ { 0x09a8, 0x09cd, 0x200c, 0x09a7, 0x0 },
{ 0xcc, 0x85, 0x0 } },
// Na Halant ZWJ Dha
{ { 0x09a8, 0x09cd, 0x200d, 0x09a7, 0x0 },
{ 0x247, 0x85, 0x0 } },
// Ra Halant Ka MatraAU
{ { 0x9b0, 0x9cd, 0x995, 0x9cc, 0x0 },
{ 0x232, 0x73, 0xe1, 0xa0, 0x0 } },
// Ra Halant Ba Halant Ba
{ { 0x09b0, 0x09cd, 0x09ac, 0x09cd, 0x09ac, 0x0 },
{ 0x013b, 0x00e1, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Mukti");
}
{
if (QFontDatabase::families(QFontDatabase::Bengali).contains("Likhan")) {
QFont f("Likhan");
const ShapeTable shape_table [] = {
{ { 0x9a8, 0x9cd, 0x9af, 0x0 },
{ 0x1ca, 0x0 } },
{ { 0x09b8, 0x09cd, 0x09af, 0x0 },
{ 0x020e, 0x0 } },
{ { 0x09b6, 0x09cd, 0x09af, 0x0 },
{ 0x01f4, 0x0 } },
{ { 0x09b7, 0x09cd, 0x09af, 0x0 },
{ 0x01fe, 0x0 } },
{ { 0x09b0, 0x09cd, 0x09a8, 0x09cd, 0x200d, 0x0 },
{ 0x10b, 0x167, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Likhan");
}
}
void tst_QTextScriptEngine::bengali()
{
doShapingTests();
}
void tst_QTextScriptEngine::gurmukhi_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Gurmukhi).contains("Lohit Punjabi")) {
QFont f("Lohit Punjabi");
const ShapeTable shape_table [] = {
{ { 0xA15, 0xA4D, 0xa39, 0x0 },
{ 0x3b, 0x8b, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Lohit Punjabi");
}
}
void tst_QTextScriptEngine::gurmukhi()
{
doShapingTests();
}
void tst_QTextScriptEngine::oriya_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Oriya).contains("utkal")) {
QFont f("utkal");
const ShapeTable shape_table [] = {
{ { 0xb15, 0xb4d, 0xb24, 0xb4d, 0xb30, 0x0 },
{ 0x150, 0x125, 0x0 } },
{ { 0xb24, 0xb4d, 0xb24, 0xb4d, 0xb2c, 0x0 },
{ 0x151, 0x120, 0x0 } },
{ { 0xb28, 0xb4d, 0xb24, 0xb4d, 0xb2c, 0x0 },
{ 0x152, 0x120, 0x0 } },
{ { 0xb28, 0xb4d, 0xb24, 0xb4d, 0xb2c, 0x0 },
{ 0x152, 0x120, 0x0 } },
{ { 0xb28, 0xb4d, 0xb24, 0xb4d, 0xb30, 0x0 },
{ 0x176, 0x0 } },
{ { 0xb38, 0xb4d, 0xb24, 0xb4d, 0xb30, 0x0 },
{ 0x177, 0x0 } },
{ { 0xb28, 0xb4d, 0xb24, 0xb4d, 0xb30, 0xb4d, 0xb2f, 0x0 },
{ 0x176, 0x124, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find utkal");
}
}
void tst_QTextScriptEngine::oriya()
{
doShapingTests();
}
void tst_QTextScriptEngine::tamil_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Tamil).contains("AkrutiTml1")) {
QFont f("AkrutiTml1");
const ShapeTable shape_table [] = {
{ { 0x0b95, 0x0bc2, 0x0 },
{ 0x004e, 0x0 } },
{ { 0x0bae, 0x0bc2, 0x0 },
{ 0x009e, 0x0 } },
{ { 0x0b9a, 0x0bc2, 0x0 },
{ 0x0058, 0x0 } },
{ { 0x0b99, 0x0bc2, 0x0 },
{ 0x0053, 0x0 } },
{ { 0x0bb0, 0x0bc2, 0x0 },
{ 0x00a8, 0x0 } },
{ { 0x0ba4, 0x0bc2, 0x0 },
{ 0x008e, 0x0 } },
{ { 0x0b9f, 0x0bc2, 0x0 },
{ 0x0062, 0x0 } },
{ { 0x0b95, 0x0bc6, 0x0 },
{ 0x000a, 0x0031, 0x0 } },
{ { 0x0b95, 0x0bca, 0x0 },
{ 0x000a, 0x0031, 0x0007, 0x0 } },
{ { 0x0b95, 0x0bc6, 0x0bbe, 0x0 },
{ 0x000a, 0x0031, 0x007, 0x0 } },
{ { 0x0b95, 0x0bcd, 0x0bb7, 0x0 },
{ 0x0049, 0x0 } },
{ { 0x0b95, 0x0bcd, 0x0bb7, 0x0bca, 0x0 },
{ 0x000a, 0x0049, 0x007, 0x0 } },
{ { 0x0b95, 0x0bcd, 0x0bb7, 0x0bc6, 0x0bbe, 0x0 },
{ 0x000a, 0x0049, 0x007, 0x0 } },
{ { 0x0b9f, 0x0bbf, 0x0 },
{ 0x005f, 0x0 } },
{ { 0x0b9f, 0x0bc0, 0x0 },
{ 0x0060, 0x0 } },
{ { 0x0bb2, 0x0bc0, 0x0 },
{ 0x00ab, 0x0 } },
{ { 0x0bb2, 0x0bbf, 0x0 },
{ 0x00aa, 0x0 } },
{ { 0x0bb0, 0x0bcd, 0x0 },
{ 0x00a4, 0x0 } },
{ { 0x0bb0, 0x0bbf, 0x0 },
{ 0x00a5, 0x0 } },
{ { 0x0bb0, 0x0bc0, 0x0 },
{ 0x00a6, 0x0 } },
{ { 0x0b83, 0x0 },
{ 0x0025, 0x0 } },
{ { 0x0b83, 0x0b95, 0x0 },
{ 0x0025, 0x0031, 0x0 } },
{ { 0xb95, 0xbc6, 0xbbe, 0x0 },
{ 0xa, 0x31, 0x7, 0x0 } },
{ { 0xb95, 0xbc7, 0xbbe, 0x0 },
{ 0xb, 0x31, 0x7, 0x0 } },
{ { 0xb95, 0xbc6, 0xbd7, 0x0 },
{ 0xa, 0x31, 0x40, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find AkrutiTml1");
}
}
void tst_QTextScriptEngine::tamil()
{
doShapingTests();
}
void tst_QTextScriptEngine::telugu_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Telugu).contains("Pothana2000")) {
QFont f("Pothana2000");
const ShapeTable shape_table [] = {
{ { 0xc15, 0xc4d, 0x0 },
{ 0xbb, 0x0 } },
{ { 0xc15, 0xc4d, 0xc37, 0x0 },
{ 0x4b, 0x0 } },
{ { 0xc15, 0xc4d, 0xc37, 0xc4d, 0x0 },
{ 0xe0, 0x0 } },
{ { 0xc15, 0xc4d, 0xc37, 0xc4d, 0xc23, 0x0 },
{ 0x4b, 0x91, 0x0 } },
{ { 0xc15, 0xc4d, 0xc30, 0x0 },
{ 0x5a, 0xb2, 0x0 } },
{ { 0xc15, 0xc4d, 0xc30, 0xc4d, 0x0 },
{ 0xbb, 0xb2, 0x0 } },
{ { 0xc15, 0xc4d, 0xc30, 0xc4d, 0xc15, 0x0 },
{ 0x5a, 0xb2, 0x83, 0x0 } },
{ { 0xc15, 0xc4d, 0xc30, 0xc3f, 0x0 },
{ 0xe2, 0xb2, 0x0 } },
{ { 0xc15, 0xc4d, 0xc15, 0xc48, 0x0 },
{ 0xe6, 0xb3, 0x83, 0x0 } },
{ { 0xc15, 0xc4d, 0xc30, 0xc48, 0x0 },
{ 0xe6, 0xb3, 0x9f, 0x0 } },
{ { 0xc15, 0xc46, 0xc56, 0x0 },
{ 0xe6, 0xb3, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Pothana2000");
}
}
void tst_QTextScriptEngine::telugu()
{
doShapingTests();
}
void tst_QTextScriptEngine::kannada_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Kannada).contains("Sampige")) {
QFont f("Sampige");
const ShapeTable shape_table [] = {
{ { 0x0ca8, 0x0ccd, 0x0ca8, 0x0 },
{ 0x0049, 0x00ba, 0x0 } },
{ { 0x0ca8, 0x0ccd, 0x0ca1, 0x0 },
{ 0x0049, 0x00b3, 0x0 } },
{ { 0x0caf, 0x0cc2, 0x0 },
{ 0x004f, 0x005d, 0x0 } },
{ { 0x0ce0, 0x0 },
{ 0x006a, 0x0 } },
{ { 0x0ce6, 0x0ce7, 0x0ce8, 0x0 },
{ 0x006b, 0x006c, 0x006d, 0x0 } },
{ { 0x0cb5, 0x0ccb, 0x0 },
{ 0x015f, 0x0067, 0x0 } },
{ { 0x0cb0, 0x0ccd, 0x0cae, 0x0 },
{ 0x004e, 0x0082, 0x0 } },
{ { 0x0cb0, 0x0ccd, 0x0c95, 0x0 },
{ 0x0036, 0x0082, 0x0 } },
{ { 0x0c95, 0x0ccd, 0x0cb0, 0x0 },
{ 0x0036, 0x00c1, 0x0 } },
{ { 0x0cb0, 0x0ccd, 0x200d, 0x0c95, 0x0 },
{ 0x0050, 0x00a7, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Sampige");
}
{
if (QFontDatabase::families(QFontDatabase::Kannada).contains("Tunga")) {
QFont f("Tunga");
const ShapeTable shape_table [] = {
{ { 0x0cb7, 0x0cc6, 0x0 },
{ 0x00b0, 0x006c, 0x0 } },
{ { 0x0cb7, 0x0ccd, 0x0 },
{ 0x0163, 0x0 } },
{ { 0xc95, 0xcbf, 0xcd5, 0x0 },
{ 0x114, 0x73, 0x0 } },
{ { 0xc95, 0xcc6, 0xcd5, 0x0 },
{ 0x90, 0x6c, 0x73, 0x0 } },
{ { 0xc95, 0xcc6, 0xcd6, 0x0 },
{ 0x90, 0x6c, 0x74, 0x0 } },
{ { 0xc95, 0xcc6, 0xcc2, 0x0 },
{ 0x90, 0x6c, 0x69, 0x0 } },
{ { 0xc95, 0xcca, 0xcd5, 0x0 },
{ 0x90, 0x6c, 0x69, 0x73, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Tunga");
}
}
void tst_QTextScriptEngine::kannada()
{
doShapingTests();
}
void tst_QTextScriptEngine::malayalam_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Malayalam).contains("AkrutiMal2")) {
QFont f("AkrutiMal2");
const ShapeTable shape_table [] = {
{ { 0x0d15, 0x0d46, 0x0 },
{ 0x005e, 0x0034, 0x0 } },
{ { 0x0d15, 0x0d47, 0x0 },
{ 0x005f, 0x0034, 0x0 } },
{ { 0x0d15, 0x0d4b, 0x0 },
{ 0x005f, 0x0034, 0x0058, 0x0 } },
{ { 0x0d15, 0x0d48, 0x0 },
{ 0x0060, 0x0034, 0x0 } },
{ { 0x0d15, 0x0d4a, 0x0 },
{ 0x005e, 0x0034, 0x0058, 0x0 } },
{ { 0x0d30, 0x0d4d, 0x0d15, 0x0 },
{ 0x009e, 0x0034, 0x0 } },
{ { 0x0d15, 0x0d4d, 0x0d35, 0x0 },
{ 0x0034, 0x007a, 0x0 } },
{ { 0x0d15, 0x0d4d, 0x0d2f, 0x0 },
{ 0x0034, 0x00a2, 0x0 } },
{ { 0x0d1f, 0x0d4d, 0x0d1f, 0x0 },
{ 0x0069, 0x0 } },
{ { 0x0d26, 0x0d4d, 0x0d26, 0x0 },
{ 0x0074, 0x0 } },
{ { 0x0d30, 0x0d4d, 0x0 },
{ 0x009e, 0x0 } },
{ { 0x0d30, 0x0d4d, 0x200c, 0x0 },
{ 0x009e, 0x0 } },
{ { 0x0d30, 0x0d4d, 0x200d, 0x0 },
{ 0x009e, 0x0 } },
{ { 0xd15, 0xd46, 0xd3e, 0x0 },
{ 0x5e, 0x34, 0x58, 0x0 } },
{ { 0xd15, 0xd47, 0xd3e, 0x0 },
{ 0x5f, 0x34, 0x58, 0x0 } },
{ { 0xd15, 0xd46, 0xd57, 0x0 },
{ 0x5e, 0x34, 0x65, 0x0 } },
{ { 0xd15, 0xd57, 0x0 },
{ 0x34, 0x65, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find AkrutiMal2");
}
{
if (QFontDatabase::families(QFontDatabase::Malayalam).contains("Rachana")) {
QFont f("Rachana");
const ShapeTable shape_table [] = {
{ { 0xd37, 0xd4d, 0xd1f, 0xd4d, 0xd30, 0xd40, 0x0 },
{ 0x385, 0xa3, 0x0 } },
{ { 0xd2f, 0xd4d, 0xd15, 0xd4d, 0xd15, 0xd41, 0x0 },
{ 0x2ff, 0x0 } },
{ { 0xd33, 0xd4d, 0xd33, 0x0 },
{ 0x3f8, 0x0 } },
{ { 0xd2f, 0xd4d, 0xd15, 0xd4d, 0xd15, 0xd41, 0x0 },
{ 0x2ff, 0x0 } },
{ { 0xd30, 0xd4d, 0x200d, 0xd35, 0xd4d, 0xd35, 0x0 },
{ 0xf3, 0x350, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Rachana");
}
}
void tst_QTextScriptEngine::malayalam()
{
doShapingTests();
}
void tst_QTextScriptEngine::sinhala_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Sinhala).contains("Malithi Web")) {
QFont f("Malithi Web");
const ShapeTable shape_table [] = {
{ { 0xd9a, 0xdd9, 0xdcf, 0x0 },
{ 0x4a, 0x61, 0x42, 0x0 } },
{ { 0xd9a, 0xdd9, 0xddf, 0x0 },
{ 0x4a, 0x61, 0x50, 0x0 } },
{ { 0xd9a, 0xdd9, 0xdca, 0x0 },
{ 0x4a, 0x62, 0x0 } },
{ { 0xd9a, 0xddc, 0xdca, 0x0 },
{ 0x4a, 0x61, 0x42, 0x41, 0x0 } },
{ { 0xd9a, 0xdda, 0x0 },
{ 0x4a, 0x62, 0x0 } },
{ { 0xd9a, 0xddd, 0x0 },
{ 0x4a, 0x61, 0x42, 0x41, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Malithi Web");
}
}
void tst_QTextScriptEngine::sinhala()
{
doShapingTests();
}
void tst_QTextScriptEngine::khmer_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Khmer).contains("Khmer OS")) {
QFont f("Khmer OS");
const ShapeTable shape_table [] = {
{ { 0x179a, 0x17cd, 0x0 },
{ 0x24c, 0x27f, 0x0 } },
{ { 0x179f, 0x17c5, 0x0 },
{ 0x273, 0x203, 0x0 } },
{ { 0x1790, 0x17d2, 0x1784, 0x17c3, 0x0 },
{ 0x275, 0x242, 0x182, 0x0 } },
{ { 0x179a, 0x0 },
{ 0x24c, 0x0 } },
{ { 0x1781, 0x17d2, 0x1798, 0x17c2, 0x0 },
{ 0x274, 0x233, 0x197, 0x0 } },
{ { 0x1798, 0x17b6, 0x0 },
{ 0x1cb, 0x0 } },
{ { 0x179a, 0x17b8, 0x0 },
{ 0x24c, 0x26a, 0x0 } },
{ { 0x1787, 0x17b6, 0x0 },
{ 0x1ba, 0x0 } },
{ { 0x1798, 0x17d2, 0x1796, 0x17bb, 0x0 },
{ 0x24a, 0x195, 0x26d, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Khmer OS");
}
}
void tst_QTextScriptEngine::khmer()
{
doShapingTests();
}
void tst_QTextScriptEngine::linearB_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Any).contains("Penuturesu")) {
QFont f("Penuturesu");
const ShapeTable shape_table [] = {
{ { 0xd800, 0xdc01, 0xd800, 0xdc02, 0xd800, 0xdc03, 0 },
{ 0x5, 0x6, 0x7, 0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find Penuturesu");
}
}
void tst_QTextScriptEngine::linearB()
{
doShapingTests();
}
void tst_QTextScriptEngine::greek_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QTest::addColumn<QList<ushort>>("glyphs");
if (!haveTestFonts)
QSKIP("Test fonts are not available");
{
if (QFontDatabase::families(QFontDatabase::Any).contains("DejaVu Sans")) {
QFont f("DejaVu Sans");
for (int uc = 0x1f00; uc <= 0x1fff; ++uc) {
QString string;
string.append(QChar(uc));
QByteArray testName = f.family().toLatin1() + ": 0x" + QByteArray::number(uc, 16);
QTest::newRow(testName.constData()) << f << string << QList<ushort>();
}
} else
QSKIP("couldn't find DejaVu Sans");
}
{
if (QFontDatabase::families(QFontDatabase::Any).contains("SBL Greek")) {
QFont f("SBL Greek");
for (int uc = 0x1f00; uc <= 0x1fff; ++uc) {
QString string;
string.append(QChar(uc));
QByteArray testName = f.family().toLatin1() + ": 0x" + QByteArray::number(uc, 16);
QTest::newRow(testName.constData()) << f << string << QList<ushort>();
}
const ShapeTable shape_table [] = {
{ { 0x3b1, 0x300, 0x313, 0x0 },
{ 0xb8, 0x3d3, 0x3c7, 0x0 } },
{ { 0x3b1, 0x313, 0x300, 0x0 },
{ 0xd4, 0x0 } },
{ {0}, {0} }
};
prepareShapingTest(f, shape_table);
} else
QSKIP("couldn't find SBL_grk");
}
}
void tst_QTextScriptEngine::greek()
{
doShapingTests();
}
void tst_QTextScriptEngine::mirroredChars_data()
{
QTest::addColumn<QString>("s");
QTest::newRow("()") << QStringLiteral("()");
QTest::newRow("[]") << QStringLiteral("[]");
QTest::newRow("{}") << QStringLiteral("{}");
}
void tst_QTextScriptEngine::mirroredChars()
{
QFETCH(QString, s);
glyph_t leftParenthesis;
glyph_t rightParenthesis;
{
QTextLayout layout(s);
layout.setCacheEnabled(true);
layout.beginLayout();
layout.createLine();
layout.endLayout();
QTextEngine *e = layout.engine();
e->itemize();
QCOMPARE(e->layoutData->items.size(), 1);
e->shape(0);
QCOMPARE(e->layoutData->items[0].num_glyphs, ushort(2));
const QGlyphLayout glyphLayout = e->shapedGlyphs(&e->layoutData->items[0]);
leftParenthesis = glyphLayout.glyphs[0];
rightParenthesis = glyphLayout.glyphs[1];
}
{
QTextLayout layout(s);
layout.setFlags(Qt::TextForceRightToLeft);
QTextEngine *e = layout.engine();
e->itemize();
QCOMPARE(e->layoutData->items.size(), 1);
e->shape(0);
QCOMPARE(e->layoutData->items[0].num_glyphs, ushort(2));
const QGlyphLayout glyphLayout = e->shapedGlyphs(&e->layoutData->items[0]);
QCOMPARE(glyphLayout.glyphs[0], rightParenthesis);
QCOMPARE(glyphLayout.glyphs[1], leftParenthesis);
}
}
void tst_QTextScriptEngine::controlInSyllable_qtbug14204()
{
if (!QFontDatabase::families().contains(QStringLiteral("Aparajita")))
QSKIP("couldn't find 'Aparajita' font");
QFont font(QStringLiteral("Aparajita"));
font.setStyleStrategy(QFont::NoFontMerging);
QString s;
s.append(QChar(0x0915));
s.append(QChar(0x094d));
s.append(QChar(0x200d));
s.append(QChar(0x0915));
QTextLayout layout(s, font);
QTextEngine *e = layout.engine();
e->itemize();
QCOMPARE(e->layoutData->items.size(), 1);
QFontEngine *fe = e->fontEngine(e->layoutData->items[0]);
if (fe->type() == QFontEngine::Box)
QSKIP("OpenType support missing for script");
QCOMPARE(fe->fontDef.families.first(), font.family());
e->shape(0);
QCOMPARE(e->layoutData->items[0].num_glyphs, ushort(3));
const ushort *log_clusters = e->logClusters(&e->layoutData->items[0]);
QCOMPARE(log_clusters[0], ushort(0));
QCOMPARE(log_clusters[1], ushort(0));
QCOMPARE(log_clusters[2], ushort(0));
QCOMPARE(log_clusters[3], ushort(2));
}
void tst_QTextScriptEngine::combiningMarks_qtbug15675_data()
{
QTest::addColumn<QFont>("font");
QTest::addColumn<QString>("string");
QSKIP("Result differs for HarfBuzz-NG, skip test.");
bool hasTests = false;
QStringList families;
families << QStringLiteral("Monaco");
families << QStringLiteral("DejaVu Sans Mono");
foreach (const QString &family, families) {
QFont font(family);
font.setStyleStrategy(QFont::NoFontMerging);
if (QFontInfo(font).family() != family)
continue;
hasTests = true;
QString s(QStringLiteral("ab cd"));
for (ushort uc = 0x0300; uc < 0x0370; ++uc) {
s[2] = QChar(uc);
QByteArray testName = family.toLatin1() + ": ab<U+" + QByteArray::number(uc, 16).rightJustified(4, '0') + ">cd";
QTest::newRow(testName.constData()) << font << s;
}
}
if (!hasTests)
QSKIP("Couldn't find required fonts, skip test.");
}
void tst_QTextScriptEngine::combiningMarks_qtbug15675()
{
QFETCH(QFont, font);
QFETCH(QString, string);
QTextLayout layout(string, font);
QTextEngine *e = layout.engine();
e->itemize();
QCOMPARE(e->layoutData->items.size(), 1);
QFontEngine *fe = e->fontEngine(e->layoutData->items[0]);
if (fe->type() == QFontEngine::Box)
QSKIP("OpenType support missing for script");
QCOMPARE(fe->fontDef.families.first(), font.family());
e->shape(0);
const int diff = e->layoutData->items[0].num_glyphs - string.size();
QVERIFY(diff >= -1 && diff <= 1); // could compose or decompose exactly one character
const ushort *log_clusters = e->logClusters(&e->layoutData->items[0]);
QCOMPARE(log_clusters[0], ushort(0));
QCOMPARE(log_clusters[1], ushort(1));
QCOMPARE(log_clusters[2], ushort(1));
QCOMPARE(log_clusters[3], ushort(3 + diff));
QCOMPARE(log_clusters[4], ushort(4 + diff));
const QGlyphLayout glyphLayout = e->shapedGlyphs(&e->layoutData->items[0]);
for (int i = 0; i < glyphLayout.numGlyphs; ++i) {
if ((diff >= 0 && i == 2) || (diff > 0 && i == 2 + diff))
QCOMPARE(glyphLayout.advances[i].toInt(), 0);
else
QVERIFY(glyphLayout.advances[i].toInt() != 0);
}
}
void tst_QTextScriptEngine::thaiIsolatedSaraAm()
{
if (!QFontDatabase::families().contains("Waree"))
QSKIP("couldn't find 'Waree' font");
QFont font(QStringLiteral("Waree"));
font.setStyleStrategy(QFont::NoFontMerging);
QString s;
s.append(QChar(0x0e33));
QTextLayout layout(s, font);
QTextEngine *e = layout.engine();
e->itemize();
QCOMPARE(e->layoutData->items.size(), 1);
QFontEngine *fe = e->fontEngine(e->layoutData->items[0]);
if (fe->type() == QFontEngine::Box)
QSKIP("OpenType support missing for script");
QCOMPARE(fe->fontDef.families.first(), font.family());
e->shape(0);
QVERIFY(e->layoutData->items[0].num_glyphs > 0);
const ushort *log_clusters = e->logClusters(&e->layoutData->items[0]);
QCOMPARE(log_clusters[0], ushort(0));
}
void tst_QTextScriptEngine::thaiWithZWJ()
{
#if QT_CONFIG(system_harfbuzz)
QSKIP("Requires up-to-date Harfbuzz");
#endif
if (!QFontDatabase::families().contains("Waree"))
QSKIP("couldn't find 'Waree' font");
QFont font(QStringLiteral("Waree"));
font.setStyleStrategy(QFont::NoFontMerging);
QString s(QString::fromUtf8("\xe0\xb8\xa3\xe2\x80\x8d\xe0\xb8\xa3\xe2\x80"
"\x8c\x2e\xe0\xb8\xa3\x2e\xe2\x80\x9c\xe0\xb8"
"\xa3\xe2\x80\xa6\xe0\xb8\xa3\xe2\x80\x9d\xe0"
"\xb8\xa3\xa0\xe0\xb8\xa3\xe6\x9c\xac\xe0\xb8\xa3")
+ QChar(0x0363)/*superscript 'a', for testing Inherited class*/);
QTextLayout layout(s, font);
QTextEngine *e = layout.engine();
e->itemize();
QCOMPARE(e->layoutData->items.size(), 3);
for (int item = 0; item < e->layoutData->items.size(); ++item)
e->shape(item);
QCOMPARE(e->layoutData->items[0].num_glyphs, ushort(15)); // Thai, Inherited and Common
QCOMPARE(e->layoutData->items[1].num_glyphs, ushort(1)); // Japanese: Kanji for tree
QCOMPARE(e->layoutData->items[2].num_glyphs, ushort(2)); // Thai: Thai character followed by superscript "a" which is of inherited type
//A quick sanity check - check all the characters are individual clusters
// A thai implementation could either remove the ZWJ character, or hide it.
// The current implementation merges the cluster for ZWJ and keeps ZWNJ, so we test for that.
unsigned short *logClusters = e->layoutData->logClustersPtr;
QCOMPARE(logClusters[0], ushort(0));
QCOMPARE(logClusters[1], ushort(0));
QCOMPARE(logClusters[2], ushort(2));
for (int i = 3; i < 15; i++)
QCOMPARE(logClusters[i], ushort(i));
for (int i = 0; i < 3; i++)
QCOMPARE(logClusters[i+15], ushort(0));
// The only characters that we should be hiding are the ZWJ and ZWNJ characters in position 1 and 3.
const QGlyphLayout glyphLayout = e->layoutData->glyphLayout;
for (int i = 0; i < 18; i++) {
if (i == 1 || i == 3)
QCOMPARE(glyphLayout.advances[i].toInt(), 0);
else
QVERIFY(glyphLayout.advances[i].toInt() != 0);
}
}
void tst_QTextScriptEngine::thaiMultipleVowels()
{
QString s(QString::fromUtf8("\xe0\xb8\xaa"));
for (int i = 0; i < 100; i++)
s += QChar(0x0E47); // Add lots of "VOWEL SIGN MAI TAI KHU N/S-T" stacked on top of the character
s += QChar(0x200D); // Now add a zero width joiner (which adds a circle which is hidden)
for (int i = 0; i < 100; i++)
s += QChar(0x0E47); //Add lots of "VOWEL SIGN MAI TAI KHU N/S-T" stacked on top of the ZWJ
for (int i = 0; i < 10; i++)
s += s; //Repeat the string to make it more likely to crash if we have a buffer overflow
QTextLayout layout(s);
QTextEngine *e = layout.engine();
e->itemize();
for (int item = 0; item < e->layoutData->items.size(); ++item)
e->shape(item);
// If we haven't crashed at this point, then the test has passed.
}
void tst_QTextScriptEngine::shapingDisabledLatin()
{
QString s("fi");
QFont font("Calibri");
font.setStyleStrategy(QFont::PreferNoShaping);
QTextLayout layout(s);
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
QList<QGlyphRun> runs = layout.glyphRuns();
QCOMPARE(runs.size(), 1);
QCOMPARE(runs.first().glyphIndexes().size(), 2);
}
void tst_QTextScriptEngine::shapingDisabledDevanagari()
{
QString s;
s += QChar(0x0915); // KA
s += QChar(0x094D); // VIRAMA
s += QChar(0x0915); // KA
QList<QGlyphRun> normalRuns;
{
QTextLayout layout(s);
layout.beginLayout();
layout.createLine();
layout.endLayout();
normalRuns = layout.glyphRuns();
}
QFont font;
font.setStyleStrategy(QFont::PreferNoShaping);
QList<QGlyphRun> noShapingRuns;
{
QTextLayout layout(s);
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
noShapingRuns = layout.glyphRuns();
}
// Even though shaping is disabled, Devanagari requires it, so the flag should be ignored.
QCOMPARE(normalRuns.size(), 1);
QCOMPARE(noShapingRuns.size(), 1);
QCOMPARE(noShapingRuns.first().glyphIndexes().size(), normalRuns.first().glyphIndexes().size());
}
void tst_QTextScriptEngine::privateUseArea()
{
QString privateUseAreaString = QString::fromUtf8("");
QFont font;
QList<QGlyphRun> withFontMerging;
{
QTextLayout layout;
layout.setText(privateUseAreaString);
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
withFontMerging = layout.glyphRuns();
}
font.setStyleStrategy(QFont::NoFontMerging);
QList<QGlyphRun> withoutFontMerging;
{
QTextLayout layout;
layout.setText(privateUseAreaString);
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
withoutFontMerging = layout.glyphRuns();
}
QCOMPARE(withFontMerging.size(), withoutFontMerging.size());
for (int i = 0; i < withFontMerging.size(); ++i)
QCOMPARE(withFontMerging.at(i).glyphIndexes(), withoutFontMerging.at(i).glyphIndexes());
}
QTEST_MAIN(tst_QTextScriptEngine)
#include "tst_qtextscriptengine.moc"
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