diff options
Diffstat (limited to 'tests/baseline/scenegraph/scenegrabber/main.cpp')
| -rw-r--r-- | tests/baseline/scenegraph/scenegrabber/main.cpp | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/tests/baseline/scenegraph/scenegrabber/main.cpp b/tests/baseline/scenegraph/scenegrabber/main.cpp new file mode 100644 index 0000000000..f9e1dc8fbb --- /dev/null +++ b/tests/baseline/scenegraph/scenegrabber/main.cpp @@ -0,0 +1,228 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/QTimer> +#include <QtCore/QDebug> +#include <QtCore/QFileInfo> +#include <QtCore/QHashFunctions> +#include <QtGui/QGuiApplication> +#include <QtGui/QImage> + +#include <QtQuick/QQuickView> +#include <QtQuick/QQuickItem> + +#ifdef Q_OS_WIN +# include <fcntl.h> +# include <io.h> +#endif // Q_OS_WIN + +// Timeout values: + +// A valid screen grab requires the scene to not change +// for SCENE_STABLE_TIME ms +#define SCENE_STABLE_TIME 200 + +// Give up after SCENE_TIMEOUT ms +#define SCENE_TIMEOUT 6000 + +//#define GRABBERDEBUG + +static const QSize DefaultGrabSize(320, 480); + +class GrabbingView : public QQuickView +{ + Q_OBJECT + +public: + GrabbingView(const QString &outputFile) + : ofile(outputFile), grabNo(0), isGrabbing(false), initDone(false), justShow(outputFile.isEmpty()) + { + if (justShow) + return; + grabTimer = new QTimer(this); + grabTimer->setSingleShot(true); + grabTimer->setInterval(SCENE_STABLE_TIME); + connect(grabTimer, SIGNAL(timeout()), SLOT(grab())); + + connect(this, SIGNAL(afterRendering()), SLOT(startGrabbing())); + + QTimer::singleShot(SCENE_TIMEOUT, this, SLOT(timedOut())); + } + +private slots: + void startGrabbing() + { + if (!initDone) { + initDone = true; + grabTimer->start(); + } + } + + void grab() + { + if (isGrabbing) + return; + isGrabbing = true; + grabNo++; +#ifdef GRABBERDEBUG + printf("grab no. %i\n", grabNo); +#endif + QImage img = grabWindow(); + if (!img.isNull() && img == lastGrab) { + sceneStabilized(); + } else { + lastGrab = img; + grabTimer->start(); + } + + isGrabbing = false; + } + + void sceneStabilized() + { +#ifdef GRABBERDEBUG + printf("...sceneStabilized IN\n"); +#endif + if (QGuiApplication::platformName() == QLatin1String("eglfs")) { + QSize grabSize = initialSize().isEmpty() ? DefaultGrabSize : initialSize(); + lastGrab = lastGrab.copy(QRect(QPoint(0, 0), grabSize)); + } + + if (ofile == "-") { // Write to stdout + QFile of; +#ifdef Q_OS_WIN + // Make sure write to stdout doesn't do LF->CRLF + _setmode(_fileno(stdout), _O_BINARY); +#endif // Q_OS_WIN + if (!of.open(1, QIODevice::WriteOnly) || !lastGrab.save(&of, "ppm")) { + qWarning() << "Error: failed to write grabbed image to stdout."; + QGuiApplication::exit(2); + return; + } + } else { + if (!lastGrab.save(ofile)) { + qWarning() << "Error: failed to store grabbed image to" << ofile; + QGuiApplication::exit(2); + return; + } + } + QGuiApplication::exit(0); +#ifdef GRABBERDEBUG + printf("...sceneStabilized OUT\n"); +#endif + } + + void timedOut() + { + qWarning() << "Error: timed out waiting for scene to stabilize." << grabNo << "grab(s) done. Last grab was" << (lastGrab.isNull() ? "invalid." : "valid."); + QGuiApplication::exit(3); + } + +private: + QImage lastGrab; + QTimer *grabTimer = nullptr; + QString ofile; + int grabNo; + bool isGrabbing; + bool initDone; + bool justShow; +}; + + +int main(int argc, char *argv[]) +{ + qSetGlobalQHashSeed(0); + + QGuiApplication a(argc, argv); + + // Parse command line + QString ifile, ofile; + bool noText = false; + bool justShow = false; + QStringList args = a.arguments(); + int i = 0; + bool argError = false; + while (++i < args.size()) { + QString arg = args.at(i); + if ((arg == "-o") && (i < args.size()-1)) { + ofile = args.at(++i); + } + else if (arg == "-notext") { + noText = true; + } + else if (arg == "--cache-distance-fields") { + ; + } + else if (arg == "-viewonly") { + justShow = true; + } + else if (ifile.isEmpty()) { + ifile = arg; + } + else { + argError = true; + break; + } + } + if (argError || ifile.isEmpty() || (ofile.isEmpty() && !justShow)) { + qWarning() << "Usage:" << args.at(0).toLatin1().constData() << "[-notext] <qml-infile> {-o <outfile or - for ppm on stdout>|-viewonly}"; + return 1; + } + + QFileInfo ifi(ifile); + if (!ifi.exists() || !ifi.isReadable() || !ifi.isFile()) { + qWarning() << args.at(0).toLatin1().constData() << " error: unreadable input file" << ifile; + return 1; + } + // End parsing + + GrabbingView v(ofile); + v.setSource(QUrl::fromLocalFile(ifile)); + + if (noText) { + const QList<QQuickItem*> items = v.rootObject()->findChildren<QQuickItem*>(); + for (QQuickItem *item : items) { + if (QByteArray(item->metaObject()->className()).contains("Text")) + item->setVisible(false); + } + } + + if (v.initialSize().isEmpty()) + v.resize(DefaultGrabSize); + + v.show(); + + int retVal = a.exec(); +#ifdef GRABBERDEBUG + printf("...retVal=%i\n", retVal); +#endif + + return retVal; +} + +#include "main.moc" |