diff options
Diffstat (limited to 'tests/manual')
8 files changed, 761 insertions, 4 deletions
diff --git a/tests/manual/gestures/graphicsview/main.cpp b/tests/manual/gestures/graphicsview/main.cpp index e9065eb..de92afe 100644 --- a/tests/manual/gestures/graphicsview/main.cpp +++ b/tests/manual/gestures/graphicsview/main.cpp @@ -152,8 +152,8 @@ private: MainWindow::MainWindow() { - (void)qApp->registerGestureRecognizer(new MousePanGestureRecognizer); - ThreeFingerSlideGesture::Type = qApp->registerGestureRecognizer(new ThreeFingerSlideGestureRecognizer); + (void)QApplication::registerGestureRecognizer(new MousePanGestureRecognizer); + ThreeFingerSlideGesture::Type = QApplication::registerGestureRecognizer(new ThreeFingerSlideGestureRecognizer); tabWidget = new QTabWidget; diff --git a/tests/manual/gestures/scrollarea/mousepangesturerecognizer.cpp b/tests/manual/gestures/scrollarea/mousepangesturerecognizer.cpp index 5f94dbc..63d3e76 100644 --- a/tests/manual/gestures/scrollarea/mousepangesturerecognizer.cpp +++ b/tests/manual/gestures/scrollarea/mousepangesturerecognizer.cpp @@ -49,7 +49,7 @@ MousePanGestureRecognizer::MousePanGestureRecognizer() { } -QGesture* MousePanGestureRecognizer::createGesture(QObject *) const +QGesture* MousePanGestureRecognizer::createGesture(QObject *) { return new QPanGesture; } diff --git a/tests/manual/gestures/scrollarea/mousepangesturerecognizer.h b/tests/manual/gestures/scrollarea/mousepangesturerecognizer.h index c92d477..b062fd0 100644 --- a/tests/manual/gestures/scrollarea/mousepangesturerecognizer.h +++ b/tests/manual/gestures/scrollarea/mousepangesturerecognizer.h @@ -49,7 +49,7 @@ class MousePanGestureRecognizer : public QGestureRecognizer public: MousePanGestureRecognizer(); - QGesture* createGesture(QObject *target) const; + QGesture* createGesture(QObject *target); QGestureRecognizer::Result filterEvent(QGesture *state, QObject *watched, QEvent *event); void reset(QGesture *state); }; diff --git a/tests/manual/textrendering/glyphshaping/glyphshaping.pro b/tests/manual/textrendering/glyphshaping/glyphshaping.pro new file mode 100644 index 0000000..caa9028 --- /dev/null +++ b/tests/manual/textrendering/glyphshaping/glyphshaping.pro @@ -0,0 +1,5 @@ +SOURCES = main.cpp +OTHER_FILES = glyphshaping_data.xml +glyphshaping_data.path = . +glyphshaping_data.sources = $$PWD/glyphshaping_data.xml +DEPLOYMENT += glyphshaping_data diff --git a/tests/manual/textrendering/glyphshaping/glyphshaping_data.xml b/tests/manual/textrendering/glyphshaping/glyphshaping_data.xml new file mode 100644 index 0000000..040804e --- /dev/null +++ b/tests/manual/textrendering/glyphshaping/glyphshaping_data.xml @@ -0,0 +1,251 @@ +<?xml version="1.0" encoding="UTF-8"?> +<shapingtests> + + <language name="Vietnamese"> + <test + name="capital U, combining horn" + inpututf16="0x0055, 0x031B" + outpututf16="0x01AF" + /> + <test + name="capital U, apostrophe" + inpututf16="0x0055, 0x0027" + outpututf16="0x0055" + /> + <test + name="capital U, modifier prime" + inpututf16="0x0055, 0x02B9" + outpututf16="0x0055" + /> + <test + name="capital U, modifier apostrophe" + inpututf16="0x0055, 0x02BC" + outpututf16="0x0055" + /> + <test + name="capital U, combining comma above right" + inpututf16="0x0055, 0x0315" + outpututf16="0x0055, 0x0315" + /> + <test + name="capital U, right single quote mark" + inpututf16="0x0055, 0x2019" + outpututf16="0x0055" + /> + <test + name="capital U with horn, space" + inpututf16="0x01AF, 0x0020" + outpututf16="0x01AF" + /> + <test + name="capital E, combining horn" + inpututf16="0x0045, 0x031B" + outpututf16="0x0045, 0x031B" + /> + <test + name="capital A, combining breve, combining acute" + inpututf16="0x0041, 0x0306, 0x0301" + outpututf16="0x1EAE" + /> + <test + name="capital A with breve, combining acute" + inpututf16="0x0102, 0x0301" + outpututf16="0x1EAE" + /> + <test + name="capital A, combining acute, combining breve" + inpututf16="0x0041, 0x0301, 0x0306" + outpututf16="0x0041, 0x0301, 0x0306" + /> + <test + name="capital A, combining dot below, combining breve" + inpututf16="0x0041, 0x0323" + outpututf16="0x0306" + /> + <test + name="capital A with dot below, combining breve" + inpututf16="0x1EA0, 0x0306" + outpututf16="0x1EB6" + /> + <test + name="capital A with breve, combining dot below" + inpututf16="0x0102, 0x0323" + outpututf16="0x0102, 0x0323" + /> + <test + name="capital E, combining circumflex, combining acute" + inpututf16="0x0045, 0x0302, 0x0301" + outpututf16="0x1EBE" + /> + <test + name="capital E with circumflex, combining acute" + inpututf16="0x00CA, 0x0301" + outpututf16="0x1EBE" + /> + <test + name="capital O, combining horn, combining hook above" + inpututf16="0x004F, 0x031B, 0x0309" + outpututf16="0x1EDE" + /> + <test + name="capital O with horn, combining hook above" + inpututf16="0x01A0, 0x0309" + outpututf16="0x1EDE" + /> + </language> + + <language name="Tamil"> + <test + name="Tamil Ka" + inpututf16="0x0B95" + outputglyphids="0x0bf6" + /> + <test + name="Tamil e" + inpututf16="0x0B8E" + outputglyphids="0x0bf0" + /> + <test + name="Latin A" + inpututf16="0x0061" + outpututf16="0x0061" + /> + <test + name="Hindi Ka" + inpututf16="0x0905" + outputglyphids="0x0528" + /> + <test + name="03 - 1: Latin 06" + inpututf16="0x0036" + outputglyphids="0x077A" + /> + <test + name="03 - 2: Tamil 06" + inpututf16="0x0BEC" + outputglyphids="0x0c20" + /> + <test + name="10 1.3.6 - 1: Pa, Virama, Ka, Virama, Tta, -e" + inpututf16="0x0BAA, 0x0BCD, 0x0B95, 0x0BCD, 0x0B9F, 0x0BC7" + outputglyphids="0x0c3a, 0x0c30, 0x0c13, 0x0bfb" + /> + <test + name="10 1.3.6 - 2: Pa, Virama, Ka, AU" + inpututf16="0x0BAA, 0x0BCD, 0x0B95, 0x0BCC" + outputglyphids="0x0c3a, 0x0c12, 0x0bf6, 0x0c19" + /> + <test + name="10 1.3.6 - 3: Ka, Virama, Ssa, OO" + inpututf16="0x0B95, 0x0BCD, 0x0BB7, 0x0BCB" + outputglyphids="0x0c13, 0x0c2f, 0x0c0d" + /> + <test + name="11: Ka, -e" + inpututf16="0x0B95, 0x0BC7" + outputglyphids="0x0c13, 0x0bf6" + /> + <test + name="12 1.3.5.2: Ka, O" + inpututf16="0x0B95, 0x0BCA" + outputglyphids="0x0c12, 0x0bf6, 0x0c0d" + /> + <test + name="13 - 1: Ka" + inpututf16="0x0B95" + outputglyphids="0x0bf6" + /> + <test + name="13 - 2: Aythem, A" + inpututf16="0x0B83, 0x0B85" + /> + <test + name="14 - 1: Ka, Anusvara" + inpututf16="0x0B95, 0x0B82" + outputglyphids="0x0bf6, 0x0be8" + /> + <test + name="14 - 2: Ka" + inpututf16="0x0B95" + outputglyphids="0x0bf6" + /> + <test + name="15 - 1: Ra, Virama" + inpututf16="0x0BB0, 0x0BCD" + outputglyphids="0x0c03" + /> + <test + name="15 - 2: ZWJ" + inpututf16="0x8205" + /> + <test + name="16: Ka, Anusvara" + inpututf16="0x0B95, 0x0B82" + outputglyphids="0x0bf6" + /> + <test + name="17 1.3.11 - 1: Tta, I" + inpututf16="0x0B9F, 0x0BBF" + outputglyphids="0x0c51" + /> + <test + name="17 1.3.11 - 2: Tta, Ii" + inpututf16="0x0B9F, 0x0BC0" + outputglyphids="0x0c52" + /> + <test + name="18 - 1: Ra, I" + inpututf16="0x0BB0, 0x0BBF" + outputglyphids="0x0c0d, 0x0c0e" + /> + <test + name="18 - 2: Ra, Ii" + inpututf16="0x0BB0, 0x0BC0" + outputglyphids="0x0c0d, 0x0c0f" + /> + <test + name="19 - 1: Nga, I" + inpututf16="0x0B99, 0x0BBF" + outputglyphids="0x0bf7, 0x0c0e" + /> + <test + name="19 - 2: Nga, Ii" + inpututf16="0x0B99, 0x0BC0" + outputglyphids="0x0c4a" + /> + <test + name="20 - 1: Ja, U" + inpututf16="0x0B9C, 0x0BC1" + outputglyphids="0x0bf9, 0x0c10" + /> + <test + name="20 - 2: Ja, Uu" + inpututf16="0x0B9C, 0x0BC2" + outputglyphids="0x0bf9, 0x0c11" + /> + <test + name="21 1.3.15: Ka, Ai" + inpututf16="0x0B95, 0x0BC8" + outputglyphids="0x0c14, 0x0bf6" + /> + <test + name="22: Ka, Virama, Ssa" + inpututf16="0x0B95, 0x0BCD, 0x0BB7" + outputglyphids="0x0c2f" + /> + <test + name="23 1.3.17: Sa, Virama, Ra, Matra I" + inpututf16="0x0BB8, 0x0BCD, 0x0BB0, 0x0BC0" + outputglyphids="0x0c79" + /> + <test + name="24 1.3.18 - 1: Ka" + inpututf16="0x0B95" + outputglyphids="0x0bf6" + /> + <test + name="24 1.3.18 - 2: Virama, ZWJ" + inpututf16="0x0BCD, 0x8205" + /> + </language> +</shapingtests> diff --git a/tests/manual/textrendering/glyphshaping/main.cpp b/tests/manual/textrendering/glyphshaping/main.cpp new file mode 100644 index 0000000..d2b53a0 --- /dev/null +++ b/tests/manual/textrendering/glyphshaping/main.cpp @@ -0,0 +1,269 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** 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 +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +static const int fontPixelSize = 25; +static const QLatin1String fontFamily("Series 60 Sans"); + +struct testDataSet +{ + QString language; + QString name; + QString input; + QString inputOriginal; + QString output; + QString outputOriginal; + QVector<uint> outputGlyphIDs; + QString outputGlyphIDsOriginal; +}; + +QString charHexCsv2String(const QString &csv) +{ + QString result; + foreach (const QString &charString, csv.split(QLatin1Char(','), QString::SkipEmptyParts)) { + bool isOk; + const uint charUInt = charString.toUInt(&isOk, 16); + Q_ASSERT(isOk); + const int size = charUInt >= SHRT_MAX ? 2:1; + result.append(QString::fromUtf16((const ushort*)&charUInt, size)); + } + return result; +} + +QList<testDataSet> testDataSetList() +{ + QList<testDataSet> result; + QFile file("glyphshaping_data.xml"); + const bool success = file.open(QIODevice::ReadOnly); + Q_ASSERT(success); + + const QLatin1String language("language"); + const QLatin1String test("test"); + const QLatin1String inputUtf16("inpututf16"); + const QLatin1String outputUtf16("outpututf16"); + const QLatin1String outputGlyphIDs("outputglyphids"); + const QLatin1String name("name"); + + QString languageName; + + QXmlStreamReader reader(&file); + while (!reader.atEnd()) { + const QXmlStreamReader::TokenType token = reader.readNext(); + switch (token) { + case QXmlStreamReader::StartElement: + if (reader.name() == language) { + Q_ASSERT(reader.attributes().hasAttribute(name)); + languageName = reader.attributes().value(name).toString(); + } else if (reader.name() == test) { + if (!reader.attributes().hasAttribute(outputUtf16) + && !reader.attributes().hasAttribute(outputGlyphIDs)) + continue; + Q_ASSERT(!languageName.isEmpty()); + Q_ASSERT(reader.attributes().hasAttribute(name)); + Q_ASSERT(reader.attributes().hasAttribute(inputUtf16)); + testDataSet set; + set.language = languageName; + set.name = reader.attributes().value(name).toString(); + set.inputOriginal = reader.attributes().value(inputUtf16).toString(); + set.input = charHexCsv2String(set.inputOriginal); + set.outputOriginal = reader.attributes().value(outputUtf16).toString(); + set.output = charHexCsv2String(set.outputOriginal); + set.outputGlyphIDsOriginal = reader.attributes().value(outputGlyphIDs).toString(); + result.append(set); + } + break; + default: + break; + } + } + return result; +} + +QImage renderedText(const QString &text, const QFont &font) +{ + const QFontMetrics metrics(font); + const QRect boundingRect = metrics.boundingRect(text); + QImage result(boundingRect.size(), QImage::Format_ARGB32); + result.fill(0); + + QPainter p(&result); + p.setFont(font); + p.drawText(boundingRect.translated(-boundingRect.topLeft()), text); + + return result; +} + +QString dumpImageHtml(const QString &text, const QString &pathName) +{ + if (text.isEmpty()) + return QLatin1String("<td/>"); + QFont font(fontFamily); + font.setPixelSize(fontPixelSize); + const QImage textImage = renderedText(text, font); + const QString imageFileName = + (pathName + QDir::separator() + QLatin1String("%1.png")) + .arg(textImage.cacheKey()); + const bool success = textImage.save(imageFileName); + Q_ASSERT(success); + return + QString::fromLatin1("<td title=\"%2\"><img src=\"%1\" alt=\"%2\" width=\"%3\" height=\"%4\"/></td>") + .arg(QDir::cleanPath(imageFileName)).arg(text).arg(textImage.width()).arg(textImage.height()); +} + +QString dlItem(const QString &dt, const QString &dd) +{ + if (!dd.trimmed().isEmpty()) + return QString::fromLatin1("\t\t\t\t\t\t<dt>%1</dt><dd>%2</dd>\n").arg(dt).arg(dd); + return QString(); +} + +bool dumpHtml(const QString &pathName) +{ + QFile htmlPage(pathName + QDir::separator() + QLatin1String("index.html")); + if (!htmlPage.open(QFile::WriteOnly)) + return false; + + QString platformName = QString::fromLatin1( +#if defined(Q_OS_WIN) + "Win32" +#elif defined(Q_WS_X11) + "X11" +#elif defined(Q_OS_SYMBIAN) + "Symbian" +#else + "" +#endif + ); + + QString result = QString::fromLatin1( + "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"\n" + " \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n\n" + "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n" + "\t<head>\n" + "\t\t<title>Qt on %1 glyph shaping (%2)</title>\n" + "\t\t<meta http-equiv=\"content-type\" content=\"text/html;charset=utf-8\" />\n" + "\t\t<style type=\"text/css\" media=\"screen\">\n" + "\t\t\ttable { font-family: Arial; background-color: #ccccff; font-size: 12pt; }\n" + "\t\t\ttd { font-family:\"%2\"; background-color: #eeeeee; font-size: %3px; }\n" + "\t\t\tth { font-weight:normal; }\n" + "\t\t\tdl { font-family: Arial; font-size: 8pt; margin: 3px; }\n" + "\t\t\tdt { font-weight: bold; float: left; }\n" + "\t\t\ttr:hover { background-color: #ddddff; }\n" + "\t\t\ttd:hover { background-color: #ddddff; }\n" + "\t\t</style>\n" + "\t</head>\n" + "\t<body>\n" + "\t\t<h1>Qt on %1 glyph shaping (%2)</h1>\n" + "\t\t<dl>\n" + "\t\t\t<dt>I</dt><dd>Input Utf-16 to shaper</dd>\n" + "\t\t\t<dt>O-Utf</dt><dd>expected output Utf-16</dd>\n" + "\t\t\t<dt>O-ID</dt><dd>expected output Glyph IDs for \"Series 60 Sans\"</dd>\n" + "\t\t</dl>\n" + "\t\t<table>\n" + ).arg(platformName).arg(fontFamily).arg(fontPixelSize); + + QString languageName; + foreach (const testDataSet &dataSet, testDataSetList()) { + if (languageName != dataSet.language) { + result.append(QString::fromLatin1( + "\t\t\t<tr>\n" + "\t\t\t\t<th rowspan=\"2\"><h2>%1</h2></th>\n" + "\t\t\t\t<th colspan=\"2\">Qt/%2</th>\n" + "\t\t\t\t<th rowspan=\"2\">Glyphs</th>\n" + "\t\t\t\t<th colspan=\"2\">Browser</th>\n" + "\t\t\t</tr>\n" + "\t\t\t<tr>\n" + "\t\t\t\t<th>In</th>\n" + "\t\t\t\t<th>Out</th>\n" + "\t\t\t\t<th>In</th>\n" + "\t\t\t\t<th>Out</th>\n" + "\t\t\t</tr>\n" + ).arg(dataSet.language).arg(platformName)); + languageName = dataSet.language; + } + QString glyphsData; + if (!dataSet.inputOriginal.isEmpty()) + glyphsData.append(dlItem(QLatin1String("I"), dataSet.inputOriginal)); + if (!dataSet.outputOriginal.isEmpty()) + glyphsData.append(dlItem(QLatin1String("O-Utf"), dataSet.outputOriginal)); + if (!dataSet.outputGlyphIDsOriginal.isEmpty()) + glyphsData.append(dlItem(QLatin1String("O-ID"), dataSet.outputGlyphIDsOriginal)); + if (!glyphsData.isEmpty()) { + glyphsData.prepend(QLatin1String("\t\t\t\t\t<dl>\n")); + glyphsData.append(QLatin1String("\t\t\t\t\t</dl>\n")); + } + result.append(QString::fromLatin1( + "\t\t\t<tr>\n" + "\t\t\t\t<th>%1</th>\n" + "\t\t\t\t%2\n" + "\t\t\t\t%3\n" + "\t\t\t\t<td>\n" + "%4" + "\t\t\t\t</td>\n" + "\t\t\t\t<td>%5</td>\n" + "\t\t\t\t<td>%6</td>\n" + "\t\t\t</tr>\n" + ).arg(dataSet.name) + .arg(dumpImageHtml(dataSet.input, pathName)) + .arg(dumpImageHtml(dataSet.output, pathName)) + .arg(glyphsData) + .arg(dataSet.input) + .arg(dataSet.output) + ); + } + + result.append(QString::fromLatin1( + "\t\t</table>\n" + "\t</body>\n" + "</html>") + ); + + htmlPage.write(result.toUtf8()); + + return true; +} + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + return dumpHtml(QLatin1String(".")) ? 0 : 1; +} diff --git a/tests/manual/textrendering/textperformance/main.cpp b/tests/manual/textrendering/textperformance/main.cpp new file mode 100644 index 0000000..47e0a88 --- /dev/null +++ b/tests/manual/textrendering/textperformance/main.cpp @@ -0,0 +1,231 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** 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 +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +static const int lastMeasurementsCount = 50; + +class FontBlaster: public QWidget +{ + Q_OBJECT + +public: + FontBlaster(QWidget *parent = 0) + : QWidget(parent) + , m_currentMode(0) + { + setFocusPolicy(Qt::StrongFocus); + } + + void paintEvent(QPaintEvent *event) + { + Q_UNUSED(event); + QPainter p(this); + + if (!m_timer.isNull()) + m_lastMeasurements.append(m_timer.elapsed()); + m_timer.start(); + + p.save(); + m_modes[m_currentMode].function(p, size()); + p.restore(); + + const QFontMetrics fm = p.fontMetrics(); + p.setOpacity(0.7); + p.fillRect(0, 0, width(), fm.height(), Qt::gray); + p.fillRect(0, height() - fm.height(), width(), height(), Qt::gray); + p.setOpacity(1); + p.setPen(palette().color(QPalette::Text)); + p.drawText(2, fm.ascent(), m_modes[m_currentMode].name); + + if (m_lastMeasurements.count() == lastMeasurementsCount) { + m_lastMeasurements.removeFirst(); + int lastMsecsSum = 0; + foreach(const int measurement, m_lastMeasurements) + lastMsecsSum += measurement; + + p.drawText(2, height() - fm.descent(), + QLatin1String("Fps: ") + + QString::number(1000 / ((qreal)lastMsecsSum / lastMeasurementsCount), 'f', 1) + ); + } + + QTimer::singleShot(0, this, SLOT(repaint())); + } + + /* + Creating all kinds of size/weight/italic combinations, stress testing + the glyph cache. + Also: painting with different opacities, stress testing blitting. + */ + static void paintDifferentFontStyles(QPainter &p, const QSize &size) + { + static const QString text = QLatin1String("Qt rocks!!!"); + static const int textsPerPaint = 30; + for (int i = 0; i < textsPerPaint; i++) { + const int fontSize = 4 + (qrand() % 5); + const int fontWeight = (qrand() % 2) == 1 ? QFont::Normal : QFont::Bold; + const bool fontItalic = (qrand() % 2) == 1; + const QFont font("Default", fontSize, fontWeight, fontItalic); + p.setFont(font); + p.setPen(QColor::fromHsv(qrand() % 359, 155 + qrand() % 100, + 155 + qrand() % 100, 100 + qrand() % 155)); + const QSize textSize(p.fontMetrics().boundingRect(text).size()); + const QPoint position( + -textSize.width() / 2 + (qrand() % size.width()), + textSize.height() / 2 + (qrand() % size.height())); + p.drawText(position, text); + } + } + + /* + Drawing a multiline latin text, stress testing the text layout system. + */ + static void paintLongLatinText(QPainter &p, const QSize &size) + { + static const char* const pieces[] = { + "lorem ipsum", + "dolor sit amet", + "consectetuer", + "sed diam nonumy", + "eos et accusam", + "sea takimata sanctus" + }; + static const int piecesCount = (int)(sizeof pieces / sizeof pieces[0]); + static const int piecesPerPaint = 30; + + QString text; + for (int i = 0; i < piecesPerPaint; ++i) { + QString piece = QLatin1String(pieces[qrand() % piecesCount]); + if (i == 0 || qrand() % 2) { + // Make this piece the beginning of a new sentence. + piece[0] = piece[0].toUpper(); + if (i > 0) + piece.prepend(QLatin1String(". ")); + } else { + piece.prepend(QLatin1String(", ")); + } + text.append(piece); + } + text.append(QLatin1Char('.')); + + p.drawText(QRectF(QPointF(0, 0), QSizeF(size)), + Qt::AlignTop | Qt::AlignAbsolute | Qt::TextWordWrap, text); + } + + /* + Drawing one text with several snippets of different writingSystems, stress + testing the font merging in the font database. + */ + static void paintInternationalText(QPainter &p, const QSize &size) + { + static QStringList samples; + if (samples.isEmpty()) { + foreach (const QFontDatabase::WritingSystem system, QFontDatabase().writingSystems()) + if (system != QFontDatabase::Ogham && system != QFontDatabase::Runic) + samples.append(QFontDatabase::writingSystemSample(system)); + } + static const int systemsPerPaint = 65; + QString text; + for (int i = 0; i < systemsPerPaint; i++) { + if (i > 0) + text.append(QLatin1Char(' ')); + text.append(samples.at(qrand() % samples.count())); + } + p.drawText(QRectF(QPointF(0, 0), QSizeF(size)), + Qt::AlignTop | Qt::AlignAbsolute | Qt::TextWordWrap, text); + } + +protected: + void nextMode() + { + m_currentMode = (m_currentMode + 1) % m_modesCount; + m_lastMeasurements.clear(); + } + + void keyPressEvent(QKeyEvent *event) + { + Q_UNUSED(event); + nextMode(); + } + + void mousePressEvent(QMouseEvent *event) + { + Q_UNUSED(event); + nextMode(); + } + +private: + static const struct mode { + QString name; + void (*function)(QPainter &, const QSize&); + } m_modes[]; + static const int m_modesCount; + + int m_currentMode; + QList<int> m_lastMeasurements; + QTime m_timer; +}; + +const struct FontBlaster::mode FontBlaster::m_modes[] = { + { QLatin1String("Qt rocks!!!"), FontBlaster::paintDifferentFontStyles }, + { QLatin1String("Latin"), FontBlaster::paintLongLatinText }, + { QLatin1String("International"), FontBlaster::paintInternationalText } +}; + +const int FontBlaster::m_modesCount = + (int)(sizeof m_modes / sizeof m_modes[0]); + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + + FontBlaster dlg; +#ifdef Q_OS_SYMBIAN + dlg.showFullScreen(); +#else + dlg.show(); +#endif + + return a.exec(); +} + +#include "main.moc" diff --git a/tests/manual/textrendering/textperformance/textperformance.pro b/tests/manual/textrendering/textperformance/textperformance.pro new file mode 100644 index 0000000..bba41b9 --- /dev/null +++ b/tests/manual/textrendering/textperformance/textperformance.pro @@ -0,0 +1 @@ +SOURCES = main.cpp |