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 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
16 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
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31 ** Alternatively, this file may be used in accordance with the terms and
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40 ****************************************************************************/
42 #include <QtCore/qdebug.h>
43 #include <QtCore/qabstractanimation.h>
44 #include <QtWidgets/qapplication.h>
45 #include <QtDeclarative/qdeclarative.h>
46 #include <QtDeclarative/qdeclarativeengine.h>
47 #include <QtDeclarative/qdeclarativecomponent.h>
48 #include <QtQuick1/qdeclarativeview.h>
49 #include <QtCore/qdir.h>
50 #include <QtWidgets/QFormLayout>
51 #include <QtWidgets/QComboBox>
52 #include <QtWidgets/QCheckBox>
53 #include <QtWidgets/QDialog>
54 #include <QtWidgets/QDialogButtonBox>
55 #include <QtWidgets/QFileDialog>
56 #include <QtWidgets/QGraphicsView>
58 #include <QtDeclarative/qdeclarativecontext.h>
59 #include <private/qdeclarativedebughelper_p.h>
61 // ### This should be private API
65 #define QT_NO_SCENEGRAPHITEM
67 #ifndef QT_NO_SCENEGRAPHITEM
68 #include "scenegraphitem.h"
71 #include <QtCore/qmath.h>
73 #ifdef QML_RUNTIME_TESTING
74 class RenderStatistics
77 static void updateStats();
78 static void printTotalStats();
80 static QVector<qreal> timePerFrame;
81 static QVector<int> timesPerFrames;
84 QVector<qreal> RenderStatistics::timePerFrame;
85 QVector<int> RenderStatistics::timesPerFrames;
87 void RenderStatistics::updateStats()
96 int elapsed = time.elapsed();
97 timesPerFrames.append(elapsed - lastTime);
100 if (elapsed > 5000) {
101 qreal avgtime = elapsed / (qreal) frames;
103 for (int i = 0; i < timesPerFrames.size(); ++i) {
104 qreal diff = timesPerFrames.at(i) - avgtime;
107 var /= timesPerFrames.size();
109 qDebug("Average time per frame: %f ms (%i fps), std.dev: %f ms", avgtime, qRound(1000. / avgtime), qSqrt(var));
111 timePerFrame.append(avgtime);
112 timesPerFrames.clear();
121 void RenderStatistics::printTotalStats()
123 int count = timePerFrame.count();
130 for (int i = 0; i < count; ++i) {
131 minTime = minTime == 0 ? timePerFrame.at(i) : qMin(minTime, timePerFrame.at(i));
132 maxTime = qMax(maxTime, timePerFrame.at(i));
133 avg += timePerFrame.at(i);
138 qDebug("----- Statistics -----");
139 qDebug("Average time per frame: %f ms (%i fps)", avg, qRound(1000. / avg));
140 qDebug("Best time per frame: %f ms (%i fps)", minTime, int(1000 / minTime));
141 qDebug("Worst time per frame: %f ms (%i fps)", maxTime, int(1000 / maxTime));
142 qDebug("----------------------");
148 static QGLFormat getFormat()
150 QGLFormat f = QGLFormat::defaultFormat();
151 f.setSampleBuffers(!qApp->arguments().contains("--no-multisample"));
152 f.setSwapInterval(qApp->arguments().contains("--nonblocking-swap") ? 0 : 1);
153 f.setStereo(qApp->arguments().contains("--stereo"));
157 class MyQSGView : public QSGView
160 MyQSGView() : QSGView(getFormat())
162 setResizeMode(QSGView::SizeRootObjectToView);
166 void paintEvent(QPaintEvent *e) {
167 QSGView::paintEvent(e);
169 #ifdef QML_RUNTIME_TESTING
170 // RenderStatistics::updateStats();
173 static bool continuousUpdate = qApp->arguments().contains("--continuous-update");
174 if (continuousUpdate)
179 class MyDeclarativeView: public QDeclarativeView
182 MyDeclarativeView(QWidget *parent = 0) : QDeclarativeView(parent)
184 setResizeMode(QDeclarativeView::SizeRootObjectToView);
188 void paintEvent(QPaintEvent *event)
190 QDeclarativeView::paintEvent(event);
192 #ifdef QML_RUNTIME_TESTING
193 RenderStatistics::updateStats();
196 static bool continuousUpdate = qApp->arguments().contains("--continuous-update");
197 if (continuousUpdate)
202 #ifndef QT_NO_SCENEGRAPHITEM
203 class MyGraphicsView: public QGraphicsView
206 MyGraphicsView(bool clip, QWidget *parent = 0) : QGraphicsView(parent)
208 setViewport(new QGLWidget(getFormat()));
210 scene.addItem(&item);
211 item.setFlag(QGraphicsItem::ItemClipsToShape, clip);
212 QGraphicsTextItem *text;
213 text = scene.addText(QLatin1String("Scene graph on graphics view."), QFont(QLatin1String("Times"), 10));
216 text->setDefaultTextColor(Qt::black);
217 text = scene.addText(QLatin1String("Scene graph on graphics view."), QFont(QLatin1String("Times"), 10));
220 text->setDefaultTextColor(Qt::yellow);
223 SceneGraphItem *sceneGraphItem() { return &item; }
226 void paintEvent(QPaintEvent *event)
228 QGraphicsView::paintEvent(event);
230 #ifdef QML_RUNTIME_TESTING
231 RenderStatistics::updateStats();
234 static bool continuousUpdate = qApp->arguments().contains("--continuous-update");
235 if (continuousUpdate)
236 QGraphicsView::scene()->update();
239 QGraphicsScene scene;
248 , originalQmlRaster(false)
251 , scenegraphOnGraphicsview(false)
253 , versionDetection(true)
260 bool originalQmlRaster;
263 bool scenegraphOnGraphicsview;
265 bool versionDetection;
269 #if defined(QMLSCENE_BUNDLE)
270 Q_DECLARE_METATYPE(QFileInfo);
271 QFileInfoList findQmlFiles(const QString &dirName)
277 QFileInfoList fileInfos = dir.entryInfoList(QStringList() << "*.qml",
278 QDir::Files | QDir::AllDirs | QDir::NoDotAndDotDot);
280 foreach (QFileInfo fileInfo, fileInfos) {
281 if (fileInfo.isDir())
282 ret += findQmlFiles(fileInfo.filePath());
283 else if (fileInfo.fileName().length() > 0 && fileInfo.fileName().at(0).isLower())
284 ret.append(fileInfo);
291 static int displayOptionsDialog(Options *options)
295 QFormLayout *layout = new QFormLayout(&dialog);
297 QComboBox *qmlFileComboBox = new QComboBox(&dialog);
298 QFileInfoList fileInfos = findQmlFiles(":/bundle") + findQmlFiles("./qmlscene-resources");
300 foreach (QFileInfo fileInfo, fileInfos)
301 qmlFileComboBox->addItem(fileInfo.dir().dirName() + "/" + fileInfo.fileName(), QVariant::fromValue(fileInfo));
303 QCheckBox *originalCheckBox = new QCheckBox(&dialog);
304 originalCheckBox->setText("Use original QML viewer");
305 originalCheckBox->setChecked(options->originalQml);
307 QCheckBox *fullscreenCheckBox = new QCheckBox(&dialog);
308 fullscreenCheckBox->setText("Start fullscreen");
309 fullscreenCheckBox->setChecked(options->fullscreen);
311 QCheckBox *maximizedCheckBox = new QCheckBox(&dialog);
312 maximizedCheckBox->setText("Start maximized");
313 maximizedCheckBox->setChecked(options->maximized);
315 QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
318 QObject::connect(buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
319 QObject::connect(buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));
321 layout->addRow("Qml file:", qmlFileComboBox);
322 layout->addWidget(originalCheckBox);
323 layout->addWidget(maximizedCheckBox);
324 layout->addWidget(fullscreenCheckBox);
325 layout->addWidget(buttonBox);
327 int result = dialog.exec();
328 if (result == QDialog::Accepted) {
329 QVariant variant = qmlFileComboBox->itemData(qmlFileComboBox->currentIndex());
330 QFileInfo fileInfo = variant.value<QFileInfo>();
332 if (fileInfo.canonicalFilePath().startsWith(":"))
333 options->file = QUrl("qrc" + fileInfo.canonicalFilePath());
335 options->file = QUrl::fromLocalFile(fileInfo.canonicalFilePath());
336 options->originalQml = originalCheckBox->isChecked();
337 options->maximized = maximizedCheckBox->isChecked();
338 options->fullscreen = fullscreenCheckBox->isChecked();
344 static void checkAndAdaptVersion(const QUrl &url)
346 if (!qgetenv("QMLSCENE_IMPORT_NAME").isEmpty()) {
350 QString fileName = url.toLocalFile();
351 if (fileName.isEmpty())
355 if (!f.open(QFile::ReadOnly | QFile::Text)) {
356 qWarning("qmlscene: failed to check version of file '%s', could not open...",
357 qPrintable(fileName));
361 QRegExp quick1("import +QtQuick +1\\.");
362 QRegExp qt47("import +Qt +4\\.7");
367 QTextStream stream(&f);
368 bool codeFound= false;
369 while (!codeFound && envToWrite.isEmpty()) {
370 QString line = stream.readLine();
371 if (line.contains("{"))
373 if (quick1.indexIn(line) >= 0) {
374 envToWrite = QLatin1String("quick1");
375 compat = QLatin1String("QtQuick 1.0");
376 } else if (qt47.indexIn(line) >= 0) {
377 envToWrite = QLatin1String("qt");
378 compat = QLatin1String("Qt 4.7");
382 if (!envToWrite.isEmpty()) {
383 qWarning("qmlscene: Autodetecting compatibility import \"%s\"...", qPrintable(compat));
384 if (qgetenv("QMLSCENE_IMPORT_NAME").isEmpty())
385 qputenv("QMLSCENE_IMPORT_NAME", envToWrite.toLatin1().constData());
389 static void displayFileDialog(Options *options)
391 QString fileName = QFileDialog::getOpenFileName(0, "Open QML file", QString(), "QML Files (*.qml)");
392 if (!fileName.isEmpty()) {
393 QFileInfo fi(fileName);
394 options->file = QUrl::fromLocalFile(fi.canonicalFilePath());
398 static void loadDummyDataFiles(QDeclarativeEngine &engine, const QString& directory)
400 QDir dir(directory+"/dummydata", "*.qml");
401 QStringList list = dir.entryList();
402 for (int i = 0; i < list.size(); ++i) {
403 QString qml = list.at(i);
404 QFile f(dir.filePath(qml));
405 f.open(QIODevice::ReadOnly);
406 QByteArray data = f.readAll();
407 QDeclarativeComponent comp(&engine);
408 comp.setData(data, QUrl());
409 QObject *dummyData = comp.create();
412 QList<QDeclarativeError> errors = comp.errors();
413 foreach (const QDeclarativeError &error, errors) {
419 qWarning() << "Loaded dummy data:" << dir.filePath(qml);
420 qml.truncate(qml.length()-4);
421 engine.rootContext()->setContextProperty(qml, dummyData);
422 dummyData->setParent(&engine);
429 qWarning("Usage: qmlscene [options] <filename>");
431 qWarning(" options:");
432 qWarning(" --maximized ............................... run maximized");
433 qWarning(" --fullscreen .............................. run fullscreen");
434 qWarning(" --original-qml ............................ run using QGraphicsView instead of scenegraph (OpenGL engine)");
435 qWarning(" --original-qml-raster ..................... run using QGraphicsView instead of scenegraph (Raster engine)");
436 qWarning(" --no-multisample .......................... Disable multisampling (anti-aliasing)");
437 qWarning(" --continuous-update ....................... Continuously render the scene");
438 qWarning(" --nonblocking-swap ........................ Do not wait for v-sync to swap buffers");
439 qWarning(" --stereo .................................. Enable stereo on the GL context");
440 #ifndef QT_NO_SCENEGRAPHITEM
441 qWarning(" --sg-on-gv [--clip] ....................... Scenegraph on graphicsview (and clip to item)");
443 qWarning(" --no-version-detection .................... Do not try to detect the version of the .qml file");
444 qWarning(" --no-vsync-animations ..................... Do not use vsync based animations");
450 int main(int argc, char ** argv)
453 QApplication::setAttribute(Qt::AA_X11InitThreads);
458 QDeclarativeDebugHelper::enableDebugging();
460 for (int i = 1; i < argc; ++i) {
461 if (*argv[i] != '-' && QFileInfo(argv[i]).exists())
462 options.file = QUrl::fromLocalFile(argv[i]);
463 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--original-qml"))
464 options.originalQml = true;
465 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--original-qml-raster"))
466 options.originalQmlRaster = true;
467 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--maximized"))
468 options.maximized = true;
469 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--fullscreen"))
470 options.fullscreen = true;
471 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--sg-on-gv"))
472 options.scenegraphOnGraphicsview = true;
473 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--clip"))
475 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--no-version-detection"))
476 options.versionDetection = false;
477 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("-i") && i + 1 < argc)
478 imports.append(QString::fromLatin1(argv[++i]));
479 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--no-vsync-animations"))
480 options.vsync = false;
481 else if (QString::fromLatin1(argv[i]).toLower() == QLatin1String("--help")
482 || QString::fromLatin1(argv[i]).toLower() == QLatin1String("-help")
483 || QString::fromLatin1(argv[i]).toLower() == QLatin1String("--h")
484 || QString::fromLatin1(argv[i]).toLower() == QLatin1String("-h"))
488 QApplication::setGraphicsSystem("raster");
490 QApplication app(argc, argv);
491 app.setApplicationName("QtQmlViewer");
492 app.setOrganizationName("Nokia");
493 app.setOrganizationDomain("nokia.com");
495 if (options.file.isEmpty())
496 #if defined(QMLSCENE_BUNDLE)
497 displayOptionsDialog(&options);
499 displayFileDialog(&options);
503 QDeclarativeEngine *engine = 0;
507 if (!options.file.isEmpty()) {
508 #ifndef QT_NO_SCENEGRAPHITEM
509 if (options.scenegraphOnGraphicsview) {
510 MyGraphicsView *gvView = new MyGraphicsView(options.clip);
511 SceneGraphItem *item = gvView->sceneGraphItem();
512 engine = item->engine();
513 for (int i = 0; i < imports.size(); ++i)
514 engine->addImportPath(imports.at(i));
516 if (options.file.isLocalFile()) {
517 QFileInfo fi(options.file.toLocalFile());
518 loadDummyDataFiles(*engine, fi.path());
520 item->setSource(options.file);
523 if (!options.originalQml && !options.originalQmlRaster) {
524 if (options.versionDetection)
525 checkAndAdaptVersion(options.file);
526 QSGView *qxView = new MyQSGView();
527 qxView->setVSyncAnimations(options.vsync);
528 engine = qxView->engine();
529 for (int i = 0; i < imports.size(); ++i)
530 engine->addImportPath(imports.at(i));
532 if (options.file.isLocalFile()) {
533 QFileInfo fi(options.file.toLocalFile());
534 loadDummyDataFiles(*engine, fi.path());
536 qxView->setSource(options.file);
539 MyDeclarativeView *gvView = new MyDeclarativeView();
540 engine = gvView->engine();
541 for (int i = 0; i < imports.size(); ++i)
542 engine->addImportPath(imports.at(i));
544 if (options.file.isLocalFile()) {
545 QFileInfo fi(options.file.toLocalFile());
546 loadDummyDataFiles(*engine, fi.path());
548 gvView->setSource(options.file);
549 if (!options.originalQmlRaster) {
550 QGLWidget *viewport = new QGLWidget(getFormat());
551 gvView->setViewport(viewport);
555 QObject::connect(engine, SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit()));
557 if (options.fullscreen)
558 view->showFullScreen();
559 else if (options.maximized)
560 view->showMaximized();
568 exitCode = app.exec();
572 #ifdef QML_RUNTIME_TESTING
573 RenderStatistics::printTotalStats();