HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · examples/charts/qmlf1legends/main.cpp

Clear chart image to transparent when necessary....

Clear chart image to transparent when necessary. If there is any transparency in the background, image clear should be done every time chart is rendered to avoid artifacts from previous render. Background shape change also triggers the clear, but that is needed only once. Change-Id: If0a762d2e2e01cf3a94a5d2f6845613deb619bdd Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>

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      /******************************************************************************

      **

      ** Copyright (C) 2015 The Qt Company Ltd.

      ** Contact: http://www.qt.io/licensing/

      **

      ** This file is part of the Qt Charts module.

      **

      ** $QT_BEGIN_LICENSE:COMM$

      **

      ** 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 http://www.qt.io/terms-conditions. For further

      ** information use the contact form at http://www.qt.io/contact-us.

      **

      ** $QT_END_LICENSE$

      **

      ******************************************************************************/

      #include <QtWidgets/QApplication>

      #include <QtQuick/QQuickView>

      #include <QtCore/QDir>

      #include <QtQml/QQmlEngine>

      int main(int argc, char *argv[])

      {

          // Qt Charts uses Qt Graphics View Framework for drawing, therefore QApplication must be used.

          QApplication app(argc, argv);

          QQuickView viewer;

          // The following are needed to make examples run without having to install the module

          // in desktop environments.

      #ifdef Q_OS_WIN

          QString extraImportPath(QStringLiteral("%1/../../../../%2"));

      #else

          QString extraImportPath(QStringLiteral("%1/../../../%2"));

      #endif

          viewer.engine()->addImportPath(extraImportPath.arg(QGuiApplication::applicationDirPath(),

                                            QString::fromLatin1("qml")));

          QObject::connect(viewer.engine(), &QQmlEngine::quit, &viewer, &QWindow::close);

          viewer.setTitle(QStringLiteral("QML F1 Legends"));

          viewer.setSource(QUrl("qrc:/qml/qmlf1legends/main.qml"));

          viewer.setResizeMode(QQuickView::SizeRootObjectToView);

          viewer.show();

          return app.exec();

      }

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				/******************************************************************************
				**
				** Copyright (C) 2015 The Qt Company Ltd.
				** Contact: http://www.qt.io/licensing/
				**
				** This file is part of the Qt Charts module.
				**
				** $QT_BEGIN_LICENSE:COMM$
				**
				** 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 http://www.qt.io/terms-conditions. For further
				** information use the contact form at http://www.qt.io/contact-us.
				**
				** $QT_END_LICENSE$
				**
				******************************************************************************/

				#include <QtWidgets/QApplication>
				#include <QtQuick/QQuickView>
				#include <QtCore/QDir>
				#include <QtQml/QQmlEngine>

				int main(int argc, char *argv[])
				{
				// Qt Charts uses Qt Graphics View Framework for drawing, therefore QApplication must be used.
				QApplication app(argc, argv);

				QQuickView viewer;
				// The following are needed to make examples run without having to install the module
				// in desktop environments.
				#ifdef Q_OS_WIN
				QString extraImportPath(QStringLiteral("%1/../../../../%2"));
				#else
				QString extraImportPath(QStringLiteral("%1/../../../%2"));
				#endif
				viewer.engine()->addImportPath(extraImportPath.arg(QGuiApplication::applicationDirPath(),
				QString::fromLatin1("qml")));
				QObject::connect(viewer.engine(), &QQmlEngine::quit, &viewer, &QWindow::close);

				viewer.setTitle(QStringLiteral("QML F1 Legends"));
				viewer.setSource(QUrl("qrc:/qml/qmlf1legends/main.qml"));
				viewer.setResizeMode(QQuickView::SizeRootObjectToView);
				viewer.show();

				return app.exec();
				}