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Diffstat (limited to 'tests/benchmarks/declarative/painting/paintbenchmark.cpp')
-rw-r--r-- | tests/benchmarks/declarative/painting/paintbenchmark.cpp | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/tests/benchmarks/declarative/painting/paintbenchmark.cpp b/tests/benchmarks/declarative/painting/paintbenchmark.cpp new file mode 100644 index 0000000..d6a873c --- /dev/null +++ b/tests/benchmarks/declarative/painting/paintbenchmark.cpp @@ -0,0 +1,309 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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 <QApplication> +#include <QPixmap> +#include <QImage> +#include <QPainter> +#include <QGLWidget> +#include <QTextLayout> +#include <QVBoxLayout> +#include <QTime> +#include <QDebug> + +#ifdef HAVE_STATICTEXT +#include <private/qstatictext_p.h> +#endif + +int iterations = 20; +const int count = 600; +const int lines = 12; +const int spacing = 36; +QSizeF size(1000, 800); +const qreal lineWidth = 1000; +QString strings[lines]; + +void paint_QTextLayout(QPainter &p, bool useCache) +{ + static bool first = true; + static QTextLayout *textLayout[lines]; + if (first) { + for (int i = 0; i < lines; ++i) { + textLayout[i] = new QTextLayout(strings[i]); + int leading = p.fontMetrics().leading(); + qreal height = 0; + qreal widthUsed = 0; + textLayout[i]->setCacheEnabled(useCache); + textLayout[i]->beginLayout(); + while (1) { + QTextLine line = textLayout[i]->createLine(); + if (!line.isValid()) + break; + + line.setLineWidth(lineWidth); + height += leading; + line.setPosition(QPointF(0, height)); + height += line.height(); + widthUsed = qMax(widthUsed, line.naturalTextWidth()); + } + textLayout[i]->endLayout(); + } + first = false; + } + for (int i = 0; i < count; ++i) { + for (int j = 0; j < lines; ++j) { + textLayout[j]->draw(&p, QPoint(0, j*spacing)); + } + } +} + +void paint_QTextLayout_noCache(QPainter &p) +{ + paint_QTextLayout(p, false); +} + +void paint_QTextLayout_cache(QPainter &p) +{ + paint_QTextLayout(p, true); +} + +#ifdef HAVE_STATICTEXT +void paint_QStaticText(QPainter &p, bool useOptimizations) +{ + static QStaticText *staticText[lines]; + static bool first = true; + if (first) { + for (int i = 0; i < lines; ++i) { + staticText[i] = new QStaticText(strings[i]); + staticText[i]->setUseBackendOptimizations(useOptimizations); + } + first = false; + } + for (int i = 0; i < count; ++i) { + for (int j = 0; j < lines; ++j) { + p.drawStaticText(QPointF(0, 30 + j*spacing), *staticText[j]); + } + } +} + +void paint_QStaticText_noOptimizations(QPainter &p) +{ + paint_QStaticText(p, false); +} + +void paint_QStaticText_optimizations(QPainter &p) +{ + paint_QStaticText(p, true); +} +#endif + +void paint_QPixmapCachedText(QPainter &p) +{ + static bool first = true; + static QPixmap cacheText[lines]; + if (first) { + for (int i = 0; i < lines; ++i) { + QRectF trueSize; + trueSize = p.boundingRect(QRectF(QPointF(0,0), size), 0, strings[i]); + cacheText[i] = QPixmap(trueSize.size().toSize()); + cacheText[i].fill(Qt::transparent); + QPainter paint(&cacheText[i]); + paint.setPen(Qt::black); + paint.drawText(QRectF(QPointF(0,0), trueSize.size().toSize()), strings[i]); + } + first = false; + } + for (int i = 0; i < count; i++) { + for (int j = 0; j < lines; ++j) { + p.drawPixmap(0,j*spacing,cacheText[j]); + } + } +} + +void paint_RoundedRect(QPainter &p) +{ + p.setRenderHint(QPainter::Antialiasing, true); + p.setPen(Qt::black); + p.setBrush(Qt::red); + for (int i = 0; i < count; i++) { + for (int j = 0; j < lines; ++j) { + QSize size((j+1)*50, spacing-1); + p.drawRoundedRect(QRectF(QPointF(0,j*spacing), size), 8, 8); + } + } +} + +void paint_QPixmapCachedRoundedRect(QPainter &p) +{ + static bool first = true; + static QPixmap cacheRect[lines]; + if (first) { + for (int i = 0; i < lines; ++i) { + QSize size((i+1)*50, spacing-1); + cacheRect[i] = QPixmap(size); + cacheRect[i].fill(Qt::transparent); + QPainter paint(&cacheRect[i]); + paint.setRenderHint(QPainter::Antialiasing); + paint.setPen(Qt::black); + paint.setBrush(Qt::red); + paint.drawRoundedRect(QRect(QPoint(0,0), size), 8, 8); + } + first = false; + } + for (int i = 0; i < count; i++) { + for (int j = 0; j < lines; ++j) { + p.drawPixmap(0,j*spacing,cacheRect[j]); + } + } +} + +typedef void(*PaintFunc)(QPainter &); + +struct { + const char *name; + PaintFunc func; +} funcs[] = { + { "QTextLayoutNoCache", &paint_QTextLayout_noCache }, + { "QTextLayoutWithCache", &paint_QTextLayout_cache }, +#ifdef HAVE_STATICTEXT + { "QStaticTextNoBackendOptimizations", &paint_QStaticText_noOptimizations }, + { "QStaticTextWithBackendOptimizations", &paint_QStaticText_optimizations }, +#endif + { "CachedText", &paint_QPixmapCachedText }, + { "RoundedRect", &paint_RoundedRect }, + { "CachedRoundedRect", &paint_QPixmapCachedRoundedRect }, + { 0, 0 } +}; + +PaintFunc testFunc = 0; + +class MyGLWidget : public QGLWidget +{ +public: + MyGLWidget(const QGLFormat &format) : QGLWidget(format), frames(0) { + const char chars[] = "abcd efgh ijkl mnop qrst uvwx yz!$. ABCD 1234"; + int len = strlen(chars); + for (int i = 0; i < lines; ++i) { + for (int j = 0; j < 60; j++) { + strings[i] += QChar(chars[rand() % len]); + } + } + } + + void paintEvent(QPaintEvent *) { + static int last = 0; + static bool firstRun = true; + if (firstRun == 0) { + timer.start(); + firstRun = false; + } else { + int elapsed = timer.elapsed(); + qDebug() << "frame elapsed:" << elapsed - last; + last = elapsed; + } + QPainter p(this); + p.fillRect(rect(), Qt::white); + p.setPen(Qt::black); + QTime drawTimer; + drawTimer.start(); + testFunc(p); + qDebug() << "draw time" << drawTimer.elapsed(); + if (iterations--) + update(); + else + qApp->quit(); + } + + QTime timer; + int frames; +}; + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + bool sampleBuffers = false; + + for (int i = 1; i < argc; ++i) { + QString arg = argv[i]; + if (arg == "-test") { + arg = argv[++i]; + int j = 0; + while (funcs[j].name) { + if (arg == funcs[j].name) { + testFunc = funcs[j].func; + qDebug() << "Running test" << arg; + break; + } + ++j; + } + } else if (arg == "-iterations") { + arg = argv[++i]; + iterations = arg.toInt(); + } else if (arg == "-sampleBuffers") { + sampleBuffers = true; + } + } + + if (testFunc == 0) { + qDebug() << "Usage: textspeed -test <test> [-sampleBuffers] [-iterations n]"; + qDebug() << "where <test> can be:"; + int j = 0; + while (funcs[j].name) { + qDebug() << " " << funcs[j].name; + ++j; + } + exit(1); + } + + QWidget w; + QGLFormat format = QGLFormat::defaultFormat(); + format.setSampleBuffers(sampleBuffers); + MyGLWidget *glw = new MyGLWidget(format); + glw->setAutoFillBackground(false); + QVBoxLayout *layout = new QVBoxLayout(&w); + w.setLayout(layout); + layout->addWidget(glw); + w.showFullScreen(); + app.exec(); + + return 0; +} |