qt5base-lts/tests/auto/qglyphs/tst_qglyphs.cpp

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the test suite of the Qt Toolkit.
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
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#include <QtTest/QtTest>
#include <qglyphs.h>
#include <qpainter.h>
#include <qtextlayout.h>
#include <qfontdatabase.h>
// #define DEBUG_SAVE_IMAGE
class tst_QGlyphs: public QObject
{
Q_OBJECT
#if !defined(QT_NO_RAWFONT)
private slots:
void initTestCase();
void cleanupTestCase();
void constructionAndDestruction();
void copyConstructor();
void assignment();
void equalsOperator_data();
void equalsOperator();
void textLayoutGlyphIndexes();
void drawExistingGlyphs();
void drawNonExistentGlyphs();
void drawMultiScriptText1();
void drawMultiScriptText2();
void drawStruckOutText();
void drawOverlinedText();
void drawUnderlinedText();
void drawRightToLeft();
void detach();
private:
int m_testFontId;
QFont m_testFont;
#endif // QT_NO_RAWFONT
};
#if !defined(QT_NO_RAWFONT)
Q_DECLARE_METATYPE(QGlyphs);
void tst_QGlyphs::initTestCase()
{
m_testFontId = QFontDatabase::addApplicationFont(SRCDIR "test.ttf");
QVERIFY(m_testFontId >= 0);
m_testFont = QFont("QtsSpecialTestFont");
QCOMPARE(QFontInfo(m_testFont).family(), QString::fromLatin1("QtsSpecialTestFont"));
}
void tst_QGlyphs::cleanupTestCase()
{
QFontDatabase::removeApplicationFont(m_testFontId);
}
void tst_QGlyphs::constructionAndDestruction()
{
QGlyphs glyphIndexes;
}
static QGlyphs make_dummy_indexes()
{
QGlyphs glyphs;
QVector<quint32> glyphIndexes;
QVector<QPointF> positions;
QFont font;
font.setPointSize(18);
glyphIndexes.append(1);
glyphIndexes.append(2);
glyphIndexes.append(3);
positions.append(QPointF(1, 2));
positions.append(QPointF(3, 4));
positions.append(QPointF(5, 6));
glyphs.setFont(QRawFont::fromFont(font));
glyphs.setGlyphIndexes(glyphIndexes);
glyphs.setPositions(positions);
return glyphs;
}
void tst_QGlyphs::copyConstructor()
{
QGlyphs glyphs;
{
QVector<quint32> glyphIndexes;
QVector<QPointF> positions;
QFont font;
font.setPointSize(18);
glyphIndexes.append(1);
glyphIndexes.append(2);
glyphIndexes.append(3);
positions.append(QPointF(1, 2));
positions.append(QPointF(3, 4));
positions.append(QPointF(5, 6));
glyphs.setFont(QRawFont::fromFont(font));
glyphs.setGlyphIndexes(glyphIndexes);
glyphs.setPositions(positions);
}
QGlyphs otherGlyphs(glyphs);
QCOMPARE(otherGlyphs.font(), glyphs.font());
QCOMPARE(glyphs.glyphIndexes(), otherGlyphs.glyphIndexes());
QCOMPARE(glyphs.positions(), otherGlyphs.positions());
}
void tst_QGlyphs::assignment()
{
QGlyphs glyphs(make_dummy_indexes());
QGlyphs otherGlyphs = glyphs;
QCOMPARE(otherGlyphs.font(), glyphs.font());
QCOMPARE(glyphs.glyphIndexes(), otherGlyphs.glyphIndexes());
QCOMPARE(glyphs.positions(), otherGlyphs.positions());
}
void tst_QGlyphs::equalsOperator_data()
{
QTest::addColumn<QGlyphs>("one");
QTest::addColumn<QGlyphs>("two");
QTest::addColumn<bool>("equals");
QGlyphs one(make_dummy_indexes());
QGlyphs two(make_dummy_indexes());
QTest::newRow("Identical") << one << two << true;
{
QGlyphs busted(two);
QVector<QPointF> positions = busted.positions();
positions[2] += QPointF(1, 1);
busted.setPositions(positions);
QTest::newRow("Different positions") << one << busted << false;
}
{
QGlyphs busted(two);
QFont font;
font.setPixelSize(busted.font().pixelSize() * 2);
busted.setFont(QRawFont::fromFont(font));
QTest::newRow("Different fonts") << one << busted << false;
}
{
QGlyphs busted(two);
QVector<quint32> glyphIndexes = busted.glyphIndexes();
glyphIndexes[2] += 1;
busted.setGlyphIndexes(glyphIndexes);
QTest::newRow("Different glyph indexes") << one << busted << false;
}
}
void tst_QGlyphs::equalsOperator()
{
QFETCH(QGlyphs, one);
QFETCH(QGlyphs, two);
QFETCH(bool, equals);
QCOMPARE(one == two, equals);
QCOMPARE(one != two, !equals);
}
void tst_QGlyphs::textLayoutGlyphIndexes()
{
QString s;
s.append(QLatin1Char('A'));
s.append(QChar(0xe000));
QTextLayout layout(s);
layout.setFont(m_testFont);
layout.beginLayout();
layout.createLine();
layout.endLayout();
QList<QGlyphs> listOfGlyphs = layout.glyphs();
QCOMPARE(listOfGlyphs.size(), 1);
QGlyphs glyphs = listOfGlyphs.at(0);
QCOMPARE(glyphs.glyphIndexes().size(), 2);
QCOMPARE(glyphs.glyphIndexes().at(0), quint32(2));
QCOMPARE(glyphs.glyphIndexes().at(1), quint32(1));
}
void tst_QGlyphs::drawExistingGlyphs()
{
QPixmap textLayoutDraw(1000, 1000);
QPixmap drawGlyphs(1000, 1000);
textLayoutDraw.fill(Qt::white);
drawGlyphs.fill(Qt::white);
QString s;
s.append(QLatin1Char('A'));
s.append(QChar(0xe000));
QTextLayout layout(s);
layout.setFont(m_testFont);
layout.beginLayout();
layout.createLine();
layout.endLayout();
{
QPainter p(&textLayoutDraw);
layout.draw(&p, QPointF(50, 50));
}
QGlyphs glyphs = layout.glyphs().size() > 0
? layout.glyphs().at(0)
: QGlyphs();
{
QPainter p(&drawGlyphs);
p.drawGlyphs(QPointF(50, 50), glyphs);
}
#if defined(DEBUG_SAVE_IMAGE)
textLayoutDraw.save("drawExistingGlyphs_textLayoutDraw.png");
drawGlyphs.save("drawExistingGlyphs_drawGlyphIndexes.png");
#endif
QCOMPARE(textLayoutDraw, drawGlyphs);
}
void tst_QGlyphs::drawNonExistentGlyphs()
{
QVector<quint32> glyphIndexes;
glyphIndexes.append(3);
QVector<QPointF> glyphPositions;
glyphPositions.append(QPointF(0, 0));
QGlyphs glyphs;
glyphs.setGlyphIndexes(glyphIndexes);
glyphs.setPositions(glyphPositions);
glyphs.setFont(QRawFont::fromFont(m_testFont));
QPixmap image(1000, 1000);
image.fill(Qt::white);
QPixmap imageBefore = image;
{
QPainter p(&image);
p.drawGlyphs(QPointF(50, 50), glyphs);
}
#if defined(DEBUG_SAVE_IMAGE)
image.save("drawNonExistentGlyphs.png");
#endif
QCOMPARE(image, imageBefore); // Should be unchanged
}
void tst_QGlyphs::drawMultiScriptText1()
{
QString text;
text += QChar(0x03D0); // Greek, beta
QTextLayout textLayout(text);
textLayout.beginLayout();
textLayout.createLine();
textLayout.endLayout();
QPixmap textLayoutDraw(1000, 1000);
textLayoutDraw.fill(Qt::white);
QPixmap drawGlyphs(1000, 1000);
drawGlyphs.fill(Qt::white);
QList<QGlyphs> glyphsList = textLayout.glyphs();
QCOMPARE(glyphsList.size(), 1);
{
QPainter p(&textLayoutDraw);
textLayout.draw(&p, QPointF(50, 50));
}
{
QPainter p(&drawGlyphs);
foreach (QGlyphs glyphs, glyphsList)
p.drawGlyphs(QPointF(50, 50), glyphs);
}
#if defined(DEBUG_SAVE_IMAGE)
textLayoutDraw.save("drawMultiScriptText1_textLayoutDraw.png");
drawGlyphs.save("drawMultiScriptText1_drawGlyphIndexes.png");
#endif
QCOMPARE(drawGlyphs, textLayoutDraw);
}
void tst_QGlyphs::drawMultiScriptText2()
{
QString text;
text += QChar(0x0621); // Arabic, Hamza
text += QChar(0x03D0); // Greek, beta
QTextLayout textLayout(text);
textLayout.beginLayout();
textLayout.createLine();
textLayout.endLayout();
QPixmap textLayoutDraw(1000, 1000);
textLayoutDraw.fill(Qt::white);
QPixmap drawGlyphs(1000, 1000);
drawGlyphs.fill(Qt::white);
QList<QGlyphs> glyphsList = textLayout.glyphs();
QCOMPARE(glyphsList.size(), 2);
{
QPainter p(&textLayoutDraw);
textLayout.draw(&p, QPointF(50, 50));
}
{
QPainter p(&drawGlyphs);
foreach (QGlyphs glyphs, glyphsList)
p.drawGlyphs(QPointF(50, 50), glyphs);
}
#if defined(DEBUG_SAVE_IMAGE)
textLayoutDraw.save("drawMultiScriptText2_textLayoutDraw.png");
drawGlyphs.save("drawMultiScriptText2_drawGlyphIndexes.png");
#endif
QCOMPARE(drawGlyphs, textLayoutDraw);
}
void tst_QGlyphs::detach()
{
QGlyphs glyphs;
glyphs.setGlyphIndexes(QVector<quint32>() << 1 << 2 << 3);
QGlyphs otherGlyphs;
otherGlyphs = glyphs;
QCOMPARE(otherGlyphs.glyphIndexes(), glyphs.glyphIndexes());
otherGlyphs.setGlyphIndexes(QVector<quint32>() << 4 << 5 << 6);
QCOMPARE(otherGlyphs.glyphIndexes(), QVector<quint32>() << 4 << 5 << 6);
QCOMPARE(glyphs.glyphIndexes(), QVector<quint32>() << 1 << 2 << 3);
}
void tst_QGlyphs::drawStruckOutText()
{
QPixmap textLayoutDraw(1000, 1000);
QPixmap drawGlyphs(1000, 1000);
textLayoutDraw.fill(Qt::white);
drawGlyphs.fill(Qt::white);
QString s = QString::fromLatin1("Foobar");
QFont font;
font.setStrikeOut(true);
QTextLayout layout(s);
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
{
QPainter p(&textLayoutDraw);
layout.draw(&p, QPointF(50, 50));
}
QGlyphs glyphs = layout.glyphs().size() > 0
? layout.glyphs().at(0)
: QGlyphs();
{
QPainter p(&drawGlyphs);
p.drawGlyphs(QPointF(50, 50), glyphs);
}
#if defined(DEBUG_SAVE_IMAGE)
textLayoutDraw.save("drawStruckOutText_textLayoutDraw.png");
drawGlyphs.save("drawStruckOutText_drawGlyphIndexes.png");
#endif
QCOMPARE(textLayoutDraw, drawGlyphs);
}
void tst_QGlyphs::drawOverlinedText()
{
QPixmap textLayoutDraw(1000, 1000);
QPixmap drawGlyphs(1000, 1000);
textLayoutDraw.fill(Qt::white);
drawGlyphs.fill(Qt::white);
QString s = QString::fromLatin1("Foobar");
QFont font;
font.setOverline(true);
QTextLayout layout(s);
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
{
QPainter p(&textLayoutDraw);
layout.draw(&p, QPointF(50, 50));
}
QGlyphs glyphs = layout.glyphs().size() > 0
? layout.glyphs().at(0)
: QGlyphs();
{
QPainter p(&drawGlyphs);
p.drawGlyphs(QPointF(50, 50), glyphs);
}
#if defined(DEBUG_SAVE_IMAGE)
textLayoutDraw.save("drawOverlineText_textLayoutDraw.png");
drawGlyphs.save("drawOverlineText_drawGlyphIndexes.png");
#endif
QCOMPARE(textLayoutDraw, drawGlyphs);
}
void tst_QGlyphs::drawUnderlinedText()
{
QPixmap textLayoutDraw(1000, 1000);
QPixmap drawGlyphs(1000, 1000);
textLayoutDraw.fill(Qt::white);
drawGlyphs.fill(Qt::white);
QString s = QString::fromLatin1("Foobar");
QFont font;
font.setUnderline(true);
QTextLayout layout(s);
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
{
QPainter p(&textLayoutDraw);
layout.draw(&p, QPointF(50, 50));
}
QGlyphs glyphs = layout.glyphs().size() > 0
? layout.glyphs().at(0)
: QGlyphs();
{
QPainter p(&drawGlyphs);
p.drawGlyphs(QPointF(50, 50), glyphs);
}
#if defined(DEBUG_SAVE_IMAGE)
textLayoutDraw.save("drawUnderlineText_textLayoutDraw.png");
drawGlyphs.save("drawUnderlineText_drawGlyphIndexes.png");
#endif
QCOMPARE(textLayoutDraw, drawGlyphs);
}
void tst_QGlyphs::drawRightToLeft()
{
QString s;
s.append(QChar(1575));
s.append(QChar(1578));
QPixmap textLayoutDraw(1000, 1000);
QPixmap drawGlyphs(1000, 1000);
textLayoutDraw.fill(Qt::white);
drawGlyphs.fill(Qt::white);
QFont font;
font.setUnderline(true);
QTextLayout layout(s);
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
{
QPainter p(&textLayoutDraw);
layout.draw(&p, QPointF(50, 50));
}
QGlyphs glyphs = layout.glyphs().size() > 0
? layout.glyphs().at(0)
: QGlyphs();
{
QPainter p(&drawGlyphs);
p.drawGlyphs(QPointF(50, 50), glyphs);
}
#if defined(DEBUG_SAVE_IMAGE)
textLayoutDraw.save("drawRightToLeft_textLayoutDraw.png");
drawGlyphs.save("drawRightToLeft_drawGlyphIndexes.png");
#endif
QCOMPARE(textLayoutDraw, drawGlyphs);
}
#endif // QT_NO_RAWFONT
QTEST_MAIN(tst_QGlyphs)
#include "tst_qglyphs.moc"