1 /****************************************************************************
3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the tools applications of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** No Commercial Usage
11 ** This file contains pre-release code and may not be distributed.
12 ** You may use this file in accordance with the terms and conditions
13 ** contained in the Technology Preview License Agreement accompanying
16 ** GNU Lesser General Public License Usage
17 ** Alternatively, this file may be used under the terms of the GNU Lesser
18 ** General Public License version 2.1 as published by the Free Software
19 ** Foundation and appearing in the file LICENSE.LGPL included in the
20 ** packaging of this file. Please review the following information to
21 ** ensure the GNU Lesser General Public License version 2.1 requirements
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 ** In addition, as a special exception, Nokia gives you certain additional
25 ** rights. These rights are described in the Nokia Qt LGPL Exception
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 ** If you have questions regarding the use of this file, please contact
29 ** Nokia at qt-info@nokia.com.
40 ****************************************************************************/
42 #include <QtCore/qdebug.h>
43 #include <QtCore/qabstractanimation.h>
44 #include <QtGui/qapplication.h>
45 #include <QtDeclarative/qdeclarative.h>
46 #include <QtDeclarative/qdeclarativeengine.h>
47 #include <QtDeclarative/qdeclarativecomponent.h>
48 #include <QtDeclarative/qdeclarativeview.h>
49 #include <QtCore/qdir.h>
50 #include <QtGui/QFormLayout>
51 #include <QtGui/QComboBox>
52 #include <QtGui/QCheckBox>
53 #include <QtGui/QDialog>
54 #include <QtGui/QDialogButtonBox>
55 #include <QtGui/QFileDialog>
56 #include <QtGui/QGraphicsView>
58 #include <QtDeclarative/qdeclarativeitem.h>
59 #include <QtDeclarative/qdeclarativecontext.h>
60 #include <private/qdeclarativedebughelper_p.h>
62 // ### This should be private API
66 #define QT_NO_SCENEGRAPHITEM
68 #ifndef QT_NO_SCENEGRAPHITEM
69 #include "scenegraphitem.h"
72 #include <QtCore/qmath.h>
74 #ifdef QML_RUNTIME_TESTING
75 class RenderStatistics
78 static void updateStats();
79 static void printTotalStats();
81 static QVector<qreal> timePerFrame;
82 static QVector<int> timesPerFrames;
85 QVector<qreal> RenderStatistics::timePerFrame;
86 QVector<int> RenderStatistics::timesPerFrames;
88 void RenderStatistics::updateStats()
97 int elapsed = time.elapsed();
98 timesPerFrames.append(elapsed - lastTime);
101 if (elapsed > 5000) {
102 qreal avgtime = elapsed / (qreal) frames;
104 for (int i = 0; i < timesPerFrames.size(); ++i) {
105 qreal diff = timesPerFrames.at(i) - avgtime;
108 var /= timesPerFrames.size();
110 qDebug("Average time per frame: %f ms (%i fps), std.dev: %f ms", avgtime, qRound(1000. / avgtime), qSqrt(var));
112 timePerFrame.append(avgtime);
113 timesPerFrames.clear();
122 void RenderStatistics::printTotalStats()
124 int count = timePerFrame.count();
131 for (int i = 0; i < count; ++i) {
132 minTime = minTime == 0 ? timePerFrame.at(i) : qMin(minTime, timePerFrame.at(i));
133 maxTime = qMax(maxTime, timePerFrame.at(i));
134 avg += timePerFrame.at(i);
139 qDebug("----- Statistics -----");
140 qDebug("Average time per frame: %f ms (%i fps)", avg, qRound(1000. / avg));
141 qDebug("Best time per frame: %f ms (%i fps)", minTime, int(1000 / minTime));
142 qDebug("Worst time per frame: %f ms (%i fps)", maxTime, int(1000 / maxTime));
143 qDebug("----------------------");
149 static QGLFormat getFormat()
151 QGLFormat f = QGLFormat::defaultFormat();
152 f.setSampleBuffers(!qApp->arguments().contains("--no-multisample"));
153 f.setSwapInterval(qApp->arguments().contains("--nonblocking-swap") ? 0 : 1);
154 f.setStereo(qApp->arguments().contains("--stereo"));
158 class MyQSGView : public QSGView
161 MyQSGView() : QSGView(getFormat())
163 setResizeMode(QSGView::SizeRootObjectToView);
167 void paintEvent(QPaintEvent *e) {
168 QSGView::paintEvent(e);
170 #ifdef QML_RUNTIME_TESTING
171 // RenderStatistics::updateStats();
174 static bool continuousUpdate = qApp->arguments().contains("--continuous-update");
175 if (continuousUpdate)
180 class MyDeclarativeView: public QDeclarativeView
183 MyDeclarativeView(QWidget *parent = 0) : QDeclarativeView(parent)
185 setResizeMode(QDeclarativeView::SizeRootObjectToView);
189 void paintEvent(QPaintEvent *event)
191 QDeclarativeView::paintEvent(event);
193 #ifdef QML_RUNTIME_TESTING
194 RenderStatistics::updateStats();
197 static bool continuousUpdate = qApp->arguments().contains("--continuous-update");
198 if (continuousUpdate)
203 #ifndef QT_NO_SCENEGRAPHITEM
204 class MyGraphicsView: public QGraphicsView
207 MyGraphicsView(bool clip, QWidget *parent = 0) : QGraphicsView(parent)
209 setViewport(new QGLWidget(getFormat()));
211 scene.addItem(&item);
212 item.setFlag(QGraphicsItem::ItemClipsToShape, clip);
213 QGraphicsTextItem *text;
214 text = scene.addText(QLatin1String("Scene graph on graphics view."), QFont(QLatin1String("Times"), 10));
217 text->setDefaultTextColor(Qt::black);
218 text = scene.addText(QLatin1String("Scene graph on graphics view."), QFont(QLatin1String("Times"), 10));
221 text->setDefaultTextColor(Qt::yellow);
224 SceneGraphItem *sceneGraphItem() { return &item; }
227 void paintEvent(QPaintEvent *event)
229 QGraphicsView::paintEvent(event);
231 #ifdef QML_RUNTIME_TESTING
232 RenderStatistics::updateStats();
235 static bool continuousUpdate = qApp->arguments().contains("--continuous-update");
236 if (continuousUpdate)
237 QGraphicsView::scene()->update();
240 QGraphicsScene scene;
249 , originalQmlRaster(false)
252 , scenegraphOnGraphicsview(false)
254 , versionDetection(true)
261 bool originalQmlRaster;
264 bool scenegraphOnGraphicsview;
266 bool versionDetection;
270 #if defined(QMLSCENE_BUNDLE)
271 Q_DECLARE_METATYPE(QFileInfo);
272 QFileInfoList findQmlFiles(const QString &dirName)
278 QFileInfoList fileInfos = dir.entryInfoList(QStringList() << "*.qml",
279 QDir::Files | QDir::AllDirs | QDir::NoDotAndDotDot);
281 foreach (QFileInfo fileInfo, fileInfos) {
282 if (fileInfo.isDir())
283 ret += findQmlFiles(fileInfo.filePath());
284 else if (fileInfo.fileName().length() > 0 && fileInfo.fileName().at(0).isLower())
285 ret.append(fileInfo);
292 static int displayOptionsDialog(Options *options)
296 QFormLayout *layout = new QFormLayout(&dialog);
298 QComboBox *qmlFileComboBox = new QComboBox(&dialog);
299 QFileInfoList fileInfos = findQmlFiles(":/bundle") + findQmlFiles("./qmlscene-resources");
301 foreach (QFileInfo fileInfo, fileInfos)
302 qmlFileComboBox->addItem(fileInfo.dir().dirName() + "/" + fileInfo.fileName(), QVariant::fromValue(fileInfo));
304 QCheckBox *originalCheckBox = new QCheckBox(&dialog);
305 originalCheckBox->setText("Use original QML viewer");
306 originalCheckBox->setChecked(options->originalQml);
308 QCheckBox *fullscreenCheckBox = new QCheckBox(&dialog);
309 fullscreenCheckBox->setText("Start fullscreen");
310 fullscreenCheckBox->setChecked(options->fullscreen);
312 QCheckBox *maximizedCheckBox = new QCheckBox(&dialog);
313 maximizedCheckBox->setText("Start maximized");
314 maximizedCheckBox->setChecked(options->maximized);
316 QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
319 QObject::connect(buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
320 QObject::connect(buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));
322 layout->addRow("Qml file:", qmlFileComboBox);
323 layout->addWidget(originalCheckBox);
324 layout->addWidget(maximizedCheckBox);
325 layout->addWidget(fullscreenCheckBox);
326 layout->addWidget(buttonBox);
328 int result = dialog.exec();
329 if (result == QDialog::Accepted) {
330 QVariant variant = qmlFileComboBox->itemData(qmlFileComboBox->currentIndex());
331 QFileInfo fileInfo = variant.value<QFileInfo>();
333 if (fileInfo.canonicalFilePath().startsWith(":"))
334 options->file = QUrl("qrc" + fileInfo.canonicalFilePath());
336 options->file = QUrl::fromLocalFile(fileInfo.canonicalFilePath());
337 options->originalQml = originalCheckBox->isChecked();
338 options->maximized = maximizedCheckBox->isChecked();
339 options->fullscreen = fullscreenCheckBox->isChecked();
345 static void checkAndAdaptVersion(const QUrl &url)
347 if (!qgetenv("QMLSCENE_IMPORT_NAME").isEmpty()) {
351 QString fileName = url.toLocalFile();
352 if (fileName.isEmpty())
356 if (!f.open(QFile::ReadOnly | QFile::Text)) {
357 qWarning("qmlscene: failed to check version of file '%s', could not open...",
358 qPrintable(fileName));
362 QRegExp quick1("import +QtQuick +1\\.");
363 QRegExp qt47("import +Qt +4\\.7");
368 QTextStream stream(&f);
369 bool codeFound= false;
370 while (!codeFound && envToWrite.isEmpty()) {
371 QString line = stream.readLine();
372 if (line.contains("{"))
374 if (quick1.indexIn(line) >= 0) {
375 envToWrite = QLatin1String("quick1");
376 compat = QLatin1String("QtQuick 1.0");
377 } else if (qt47.indexIn(line) >= 0) {
378 envToWrite = QLatin1String("qt");
379 compat = QLatin1String("Qt 4.7");
383 if (!envToWrite.isEmpty()) {
384 qWarning("qmlscene: Autodetecting compatibility import \"%s\"...", qPrintable(compat));
385 if (qgetenv("QMLSCENE_IMPORT_NAME").isEmpty())
386 qputenv("QMLSCENE_IMPORT_NAME", envToWrite.toLatin1().constData());
390 static void displayFileDialog(Options *options)
392 QString fileName = QFileDialog::getOpenFileName(0, "Open QML file", QString(), "QML Files (*.qml)");
393 if (!fileName.isEmpty()) {
394 QFileInfo fi(fileName);
395 options->file = QUrl::fromLocalFile(fi.canonicalFilePath());
399 static void loadDummyDataFiles(QDeclarativeEngine &engine, const QString& directory)
401 QDir dir(directory+"/dummydata", "*.qml");
402 QStringList list = dir.entryList();
403 for (int i = 0; i < list.size(); ++i) {
404 QString qml = list.at(i);
405 QFile f(dir.filePath(qml));
406 f.open(QIODevice::ReadOnly);
407 QByteArray data = f.readAll();
408 QDeclarativeComponent comp(&engine);
409 comp.setData(data, QUrl());
410 QObject *dummyData = comp.create();
413 QList<QDeclarativeError> errors = comp.errors();
414 foreach (const QDeclarativeError &error, errors) {
420 qWarning() << "Loaded dummy data:" << dir.filePath(qml);
421 qml.truncate(qml.length()-4);
422 engine.rootContext()->setContextProperty(qml, dummyData);
423 dummyData->setParent(&engine);
430 qWarning("Usage: qmlscene [options] <filename>");
432 qWarning(" options:");
433 qWarning(" --maximized ............................... run maximized");
434 qWarning(" --fullscreen .............................. run fullscreen");
435 qWarning(" --original-qml ............................ run using QGraphicsView instead of scenegraph (OpenGL engine)");
436 qWarning(" --original-qml-raster ..................... run using QGraphicsView instead of scenegraph (Raster engine)");
437 qWarning(" --no-multisample .......................... Disable multisampling (anti-aliasing)");
438 qWarning(" --continuous-update ....................... Continuously render the scene");
439 qWarning(" --nonblocking-swap ........................ Do not wait for v-sync to swap buffers");
440 qWarning(" --stereo .................................. Enable stereo on the GL context");
441 #ifndef QT_NO_SCENEGRAPHITEM
442 qWarning(" --sg-on-gv [--clip] ....................... Scenegraph on graphicsview (and clip to item)");
444 qWarning(" --no-version-detection .................... Do not try to detect the version of the .qml file");
445 qWarning(" --no-vsync-animations ..................... Do not use vsync based animations");
451 int main(int argc, char ** argv)
454 QApplication::setAttribute(Qt::AA_X11InitThreads);
459 QDeclarativeDebugHelper::enableDebugging();
461 for (int i = 1; i < argc; ++i) {
462 if (*argv[i] != '-' && QFileInfo(argv[i]).exists())
463 options.file = QUrl::fromLocalFile(argv[i]);
464 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--original-qml"))
465 options.originalQml = true;
466 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--original-qml-raster"))
467 options.originalQmlRaster = true;
468 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--maximized"))
469 options.maximized = true;
470 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--fullscreen"))
471 options.fullscreen = true;
472 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--sg-on-gv"))
473 options.scenegraphOnGraphicsview = true;
474 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--clip"))
476 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--no-version-detection"))
477 options.versionDetection = false;
478 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("-i") && i + 1 < argc)
479 imports.append(QString::fromLatin1(argv[++i]));
480 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--no-vsync-animations"))
481 options.vsync = false;
482 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--help")
483 || QString::fromLatin1(argv[i]).toLower() == QLatin1String("-help")
484 || QString::fromLatin1(argv[i]).toLower() == QLatin1String("--h")
485 || QString::fromLatin1(argv[i]).toLower() == QLatin1String("-h"))
489 QApplication::setGraphicsSystem("raster");
491 QApplication app(argc, argv);
492 app.setApplicationName("QtQmlViewer");
493 app.setOrganizationName("Nokia");
494 app.setOrganizationDomain("nokia.com");
496 if (options.file.isEmpty())
497 #if defined(QMLSCENE_BUNDLE)
498 displayOptionsDialog(&options);
500 displayFileDialog(&options);
504 QDeclarativeEngine *engine = 0;
508 if (!options.file.isEmpty()) {
509 #ifndef QT_NO_SCENEGRAPHITEM
510 if (options.scenegraphOnGraphicsview) {
511 MyGraphicsView *gvView = new MyGraphicsView(options.clip);
512 SceneGraphItem *item = gvView->sceneGraphItem();
513 engine = item->engine();
514 for (int i = 0; i < imports.size(); ++i)
515 engine->addImportPath(imports.at(i));
517 if (options.file.isLocalFile()) {
518 QFileInfo fi(options.file.toLocalFile());
519 loadDummyDataFiles(*engine, fi.path());
521 item->setSource(options.file);
524 if (!options.originalQml && !options.originalQmlRaster) {
525 if (options.versionDetection)
526 checkAndAdaptVersion(options.file);
527 QSGView *qxView = new MyQSGView();
528 qxView->setVSyncAnimations(options.vsync);
529 engine = qxView->engine();
530 for (int i = 0; i < imports.size(); ++i)
531 engine->addImportPath(imports.at(i));
533 if (options.file.isLocalFile()) {
534 QFileInfo fi(options.file.toLocalFile());
535 loadDummyDataFiles(*engine, fi.path());
537 qxView->setSource(options.file);
540 MyDeclarativeView *gvView = new MyDeclarativeView();
541 engine = gvView->engine();
542 for (int i = 0; i < imports.size(); ++i)
543 engine->addImportPath(imports.at(i));
545 if (options.file.isLocalFile()) {
546 QFileInfo fi(options.file.toLocalFile());
547 loadDummyDataFiles(*engine, fi.path());
549 gvView->setSource(options.file);
550 if (!options.originalQmlRaster) {
551 QGLWidget *viewport = new QGLWidget(getFormat());
552 gvView->setViewport(viewport);
556 QObject::connect(engine, SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit()));
558 if (options.fullscreen)
559 view->showFullScreen();
560 else if (options.maximized)
561 view->showMaximized();
569 exitCode = app.exec();
573 #ifdef QML_RUNTIME_TESTING
574 RenderStatistics::printTotalStats();