void QQuickWebEngineViewPrivate::setDevicePixelRatio(qreal devicePixelRatio) { Q_Q(QQuickWebEngineView); this->devicePixelRatio = devicePixelRatio; QScreen *screen = q->window() ? q->window()->screen() : QGuiApplication::primaryScreen(); m_dpiScale = devicePixelRatio / screen->devicePixelRatio(); }
int QWidget::metric(PaintDeviceMetric m) const { Q_D(const QWidget); QScreen *screen = 0; if (QWidget *topLevel = window()) if (QWindow *topLevelWindow = topLevel->windowHandle()) { QPlatformScreen *platformScreen = QPlatformScreen::platformScreenForWindow(topLevelWindow); if (platformScreen) screen = platformScreen->screen(); } if (!screen && QGuiApplication::primaryScreen()) screen = QGuiApplication::primaryScreen(); if (!screen) { if (m == PdmDpiX || m == PdmDpiY) return 72; return QPaintDevice::metric(m); } int val; if (m == PdmWidth) { val = data->crect.width(); } else if (m == PdmWidthMM) { val = data->crect.width() * screen->physicalSize().width() / screen->geometry().width(); } else if (m == PdmHeight) { val = data->crect.height(); } else if (m == PdmHeightMM) { val = data->crect.height() * screen->physicalSize().height() / screen->geometry().height(); } else if (m == PdmDepth) { return screen->depth(); } else if (m == PdmDpiX) { if (d->extra && d->extra->customDpiX) return d->extra->customDpiX; else if (d->parent) return static_cast<QWidget *>(d->parent)->metric(m); return qRound(screen->logicalDotsPerInchX()); } else if (m == PdmDpiY) { if (d->extra && d->extra->customDpiY) return d->extra->customDpiY; else if (d->parent) return static_cast<QWidget *>(d->parent)->metric(m); return qRound(screen->logicalDotsPerInchY()); } else if (m == PdmPhysicalDpiX) { return qRound(screen->physicalDotsPerInchX()); } else if (m == PdmPhysicalDpiY) { return qRound(screen->physicalDotsPerInchY()); } else if (m == PdmDevicePixelRatio) { return screen->devicePixelRatio(); } else { val = QPaintDevice::metric(m);// XXX } return val; }
void GetScreenInfoFromNativeWindow(QWindow* window, blink::WebScreenInfo* results) { QScreen* screen = window->screen(); blink::WebScreenInfo r; r.deviceScaleFactor = screen->devicePixelRatio(); r.depthPerComponent = 8; r.depth = screen->depth(); r.isMonochrome = (r.depth == 1); QRect screenGeometry = screen->geometry(); r.rect = blink::WebRect(screenGeometry.x(), screenGeometry.y(), screenGeometry.width(), screenGeometry.height()); QRect available = screen->availableGeometry(); r.availableRect = blink::WebRect(available.x(), available.y(), available.width(), available.height()); *results = r; }
/*! \internal */ int QPaintDeviceWindow::metric(PaintDeviceMetric metric) const { QScreen *screen = this->screen(); if (!screen && QGuiApplication::primaryScreen()) screen = QGuiApplication::primaryScreen(); switch (metric) { case PdmWidth: return width(); case PdmWidthMM: if (screen) return width() * screen->physicalSize().width() / screen->geometry().width(); break; case PdmHeight: return height(); case PdmHeightMM: if (screen) return height() * screen->physicalSize().height() / screen->geometry().height(); break; case PdmDpiX: if (screen) return qRound(screen->logicalDotsPerInchX()); break; case PdmDpiY: if (screen) return qRound(screen->logicalDotsPerInchY()); break; case PdmPhysicalDpiX: if (screen) return qRound(screen->physicalDotsPerInchX()); break; case PdmPhysicalDpiY: if (screen) return qRound(screen->physicalDotsPerInchY()); break; case PdmDevicePixelRatio: if (screen) return screen->devicePixelRatio(); break; default: break; } return QPaintDevice::metric(metric); }
void UnitsAttached::screenChanged(QScreen *screen) { if (screen != m_screen) { QScreen *oldScreen = m_screen; m_screen = screen; if (oldScreen) oldScreen->disconnect(this); if (oldScreen == nullptr || screen == nullptr || screen->physicalDotsPerInch() != oldScreen->physicalDotsPerInch() || screen->logicalDotsPerInch() != oldScreen->logicalDotsPerInch() || screen->devicePixelRatio() != oldScreen->devicePixelRatio()) { updateDPI(); emit dpChanged(); } } }
SelectAreaDialog::SelectAreaDialog() : rubberBand_(nullptr) { setWindowFlags(Qt::Widget | Qt::FramelessWindowHint); setWindowState(Qt::WindowFullScreen); setParent(0); setAutoFillBackground(false); setAttribute(Qt::WA_NoSystemBackground, false); setAttribute(Qt::WA_TranslucentBackground, true); setAttribute(Qt::WA_PaintOnScreen); grabMouse(); rubberBand_ = new QRubberBand(QRubberBand::Rectangle, this); QApplication::setOverrideCursor(Qt::CrossCursor); QScreen* screen = QGuiApplication::primaryScreen(); if (screen) { originalPixmap_ = screen->grabWindow(0); originalPixmap_.setDevicePixelRatio(screen->devicePixelRatio()); } }
int main(int argc, char *argv[]) { QOptions options(get_common_options()); options.add(QLatin1String("QMLPlayer options")) ("scale", 1.0, QLatin1String("scale of graphics context. 0: auto")) ; options.parse(argc, argv); if (options.value(QLatin1String("help")).toBool()) { options.print(); return 0; } QGuiApplication app(argc, argv); QDir::setCurrent(qApp->applicationDirPath()); qDebug() << "arguments======= " << app.arguments(); set_opengl_backend(options.option(QStringLiteral("gl")).value().toString(), app.arguments().first()); load_qm(QStringList() << QStringLiteral("QMLPlayer"), options.value(QStringLiteral("language")).toString()); QtQuick2ApplicationViewer viewer; QString binDir = qApp->applicationDirPath(); if (binDir.endsWith(QLatin1String(".app/Contents/MacOS"))) { binDir.remove(QLatin1String(".app/Contents/MacOS")); binDir = binDir.left(binDir.lastIndexOf(QLatin1String("/"))); } QQmlEngine *engine = viewer.engine(); if (!engine->importPathList().contains(binDir)) engine->addImportPath(binDir); qDebug() << engine->importPathList(); engine->rootContext()->setContextProperty(QStringLiteral("PlayerConfig"), &Config::instance()); qDebug(">>>>>>>>devicePixelRatio: %f", qApp->devicePixelRatio()); QScreen *sc = app.primaryScreen(); qDebug() << "dpi phy: " << sc->physicalDotsPerInch() << ", logical: " << sc->logicalDotsPerInch() << ", dpr: " << sc->devicePixelRatio() << "; vis rect:" << sc->virtualGeometry(); // define a global var for js and qml engine->rootContext()->setContextProperty(QStringLiteral("screenPixelDensity"), qApp->primaryScreen()->physicalDotsPerInch()*qApp->primaryScreen()->devicePixelRatio()); qreal r = sc->physicalDotsPerInch()/sc->logicalDotsPerInch(); if (std::isinf(r) || std::isnan(r)) #if defined(Q_OS_ANDROID) r = 2.0; #else r = 1.0; #endif float sr = options.value(QStringLiteral("scale")).toFloat(); #if defined(Q_OS_ANDROID) sr = r; if (sr > 2.0) sr = 2.0; //FIXME #endif if (qFuzzyIsNull(sr)) sr = r; engine->rootContext()->setContextProperty(QStringLiteral("scaleRatio"), sr); QString qml = QStringLiteral("qml/QMLPlayer/main.qml"); if (QFile(qApp->applicationDirPath() + QLatin1String("/") + qml).exists()) qml.prepend(qApp->applicationDirPath() + QLatin1String("/")); else qml.prepend(QLatin1String("qrc:///")); viewer.setMainQmlFile(qml); viewer.show(); QOption op = options.option(QStringLiteral("width")); if (op.isSet()) viewer.setWidth(op.value().toInt()); op = options.option(QStringLiteral("height")); if (op.isSet()) viewer.setHeight(op.value().toInt()); op = options.option(QStringLiteral("x")); if (op.isSet()) viewer.setX(op.value().toInt()); op = options.option(QStringLiteral("y")); if (op.isSet()) viewer.setY(op.value().toInt()); if (options.value(QStringLiteral("fullscreen")).toBool()) viewer.showFullScreen(); viewer.setTitle(QStringLiteral("QMLPlayer based on QtAV. [email protected]")); /* * find root item, then root.init(argv). so we can deal with argv in qml */ #if 1 QString json = app.arguments().join(QStringLiteral("\",\"")); json.prepend(QLatin1String("[\"")).append(QLatin1String("\"]")); json.replace(QLatin1String("\\"), QLatin1String("/")); //FIXME QMetaObject::invokeMethod(viewer.rootObject(), "init", Q_ARG(QVariant, json)); //#else QObject *player = viewer.rootObject()->findChild<QObject*>(QStringLiteral("player")); if (player) { AppEventFilter *ae = new AppEventFilter(player, player); qApp->installEventFilter(ae); } QString file; #ifdef Q_OS_ANDROID file = QAndroidJniObject::callStaticObjectMethod("org.qtav.qmlplayer.QMLPlayerActivity" , "getUrl" , "()Ljava/lang/String;") .toString(); #endif if (app.arguments().size() > 1) { file = options.value(QStringLiteral("file")).toString(); if (file.isEmpty()) { if (argc > 1 && !app.arguments().last().startsWith(QLatin1Char('-')) && !app.arguments().at(argc-2).startsWith(QLatin1Char('-'))) file = app.arguments().last(); } } qDebug() << "file: " << file; if (player && !file.isEmpty()) { if (!file.startsWith(QLatin1String("file:")) && QFile(file).exists()) file.prepend(QLatin1String("file:")); //qml use url and will add qrc: if no scheme file.replace(QLatin1String("\\"), QLatin1String("/")); //qurl QMetaObject::invokeMethod(player, "play", Q_ARG(QUrl, QUrl(file))); } #endif QObject::connect(viewer.rootObject(), SIGNAL(requestFullScreen()), &viewer, SLOT(showFullScreen())); QObject::connect(viewer.rootObject(), SIGNAL(requestNormalSize()), &viewer, SLOT(showNormal())); ScreenSaver::instance().disable(); //restore in dtor return app.exec(); }
int main(int argc, char *argv[]) { QOptions options(get_common_options()); options.add("QMLPlayer options") ("scale", 1.0, "scale of graphics context. 0: auto") ; options.parse(argc, argv); if (options.value("help").toBool()) { options.print(); return 0; } QGuiApplication app(argc, argv); QtQuick2ApplicationViewer viewer; qDebug(">>>>>>>>devicePixelRatio: %f", qApp->devicePixelRatio()); QScreen *sc = app.primaryScreen(); qDebug() << "dpi phy: " << sc->physicalDotsPerInch() << ", logical: " << sc->logicalDotsPerInch() << ", dpr: " << sc->devicePixelRatio() << "; vis rect:" << sc->virtualGeometry(); // define a global var for js and qml viewer.engine()->rootContext()->setContextProperty("screenPixelDensity", qApp->primaryScreen()->physicalDotsPerInch()*qApp->primaryScreen()->devicePixelRatio()); qreal r = sc->physicalDotsPerInch()/sc->logicalDotsPerInch(); if (std::isinf(r) || std::isnan(r)) #if defined(Q_OS_ANDROID) r = 2.0; #else r = 1.0; #endif float sr = options.value("scale").toFloat(); if (qFuzzyIsNull(sr)) sr = r; viewer.engine()->rootContext()->setContextProperty("scaleRatio", sr); QString qml = "qml/QMLPlayer/main.qml"; if (QFile(qApp->applicationDirPath() + "/" + qml).exists()) qml.prepend(qApp->applicationDirPath() + "/"); else qml.prepend("qrc:///"); viewer.setMainQmlFile(qml); viewer.showExpanded(); QOption op = options.option("width"); if (op.isSet()) viewer.setWidth(op.value().toInt()); op = options.option("height"); if (op.isSet()) viewer.setHeight(op.value().toInt()); op = options.option("x"); if (op.isSet()) viewer.setX(op.value().toInt()); op = options.option("y"); if (op.isSet()) viewer.setY(op.value().toInt()); if (options.value("fullscreen").toBool()) viewer.showFullScreen(); viewer.setTitle("QMLPlayer based on QtAV. [email protected]"); /* * find root item, then root.init(argv). so we can deal with argv in qml */ #if 1 QString json = app.arguments().join("\",\""); json.prepend("[\"").append("\"]"); json.replace("\\", "/"); //FIXME QMetaObject::invokeMethod(viewer.rootObject(), "init", Q_ARG(QVariant, json)); //#else if (app.arguments().size() > 1) { qDebug("arguments > 1"); QObject *player = viewer.rootObject()->findChild<QObject*>("player"); QString file = options.value("file").toString(); if (player && !file.isEmpty()) { if (QFile(file).exists()) file.prepend("file://"); file.replace("\\", "/"); //qurl QMetaObject::invokeMethod(player, "play", Q_ARG(QUrl, QUrl(file))); } } #endif QObject::connect(viewer.rootObject(), SIGNAL(requestFullScreen()), &viewer, SLOT(showFullScreen())); QObject::connect(viewer.rootObject(), SIGNAL(requestNormalSize()), &viewer, SLOT(showNormal())); ScreenSaver::instance().disable(); //restore in dtor return app.exec(); }