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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:FDL$
** 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 Free Documentation License Usage
** Alternatively, this file may be used under the terms of the GNU Free
** Documentation License version 1.3 as published by the Free Software
** Foundation and appearing in the file included in the packaging of
** this file. Please review the following information to ensure
** the GNU Free Documentation License version 1.3 requirements
** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
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****************************************************************************/
/*!
\page qtcharts-changes-qt6.html
\title Changes to Qt Charts
\ingroup changes-qt-5-to-6
\brief Migrate Qt Charts to Qt 6.
Qt 6 is a result of the conscious effort to make the framework more
efficient and easy to use.
We try to maintain binary and source compatibility for all the public
APIs in each release. But some changes were inevitable in an effort to
make Qt a better framework.
In this document we summarize those changes in Qt Charts.
\section1 QtCharts Namespace
Qt Charts no longer has a custom \c QtCharts namespace. Instead, the normal Qt
namespace is used if one is configured for the Qt build.
\section1 OpenGL Acceleration in QML
As the name implies, \l{AbstractSeries::useOpenGL}{AbstractSeries.useOpenGL} still only
supports OpenGL acceleration, so it won't work if QML RHI backend is defined as something
else, as it typically is by default in Qt 6. Force RHI OpenGL backend into use to fix this
issue by using the environment variable \c{QSG_RHI_BACKEND=opengl}, for example.
*/
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