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| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtQuick module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
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| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
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| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
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| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
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| 35 | ** |
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| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #ifndef QSGCONTEXTPLUGIN_H |
| 41 | #define QSGCONTEXTPLUGIN_H |
| 42 | |
| 43 | // |
| 44 | // W A R N I N G |
| 45 | // ------------- |
| 46 | // |
| 47 | // This file is not part of the Qt API. It exists purely as an |
| 48 | // implementation detail. This header file may change from version to |
| 49 | // version without notice, or even be removed. |
| 50 | // |
| 51 | // We mean it. |
| 52 | // |
| 53 | |
| 54 | #include <private/qtquickglobal_p.h> |
| 55 | #include <QtQuick/qquickimageprovider.h> |
| 56 | #include <QtCore/qplugin.h> |
| 57 | #include <QtCore/qfactoryinterface.h> |
| 58 | |
| 59 | QT_BEGIN_NAMESPACE |
| 60 | |
| 61 | class QSGContext; |
| 62 | |
| 63 | class QSGRenderLoop; |
| 64 | |
| 65 | struct Q_QUICK_PRIVATE_EXPORT QSGContextFactoryInterface : public QFactoryInterface |
| 66 | { |
| 67 | enum Flag { |
| 68 | SupportsShaderEffectNode = 0x01 |
| 69 | }; |
| 70 | Q_DECLARE_FLAGS(Flags, Flag) |
| 71 | |
| 72 | virtual QSGContext *create(const QString &key) const = 0; |
| 73 | virtual Flags flags(const QString &key) const = 0; |
| 74 | |
| 75 | virtual QQuickTextureFactory *createTextureFactoryFromImage(const QImage &image) = 0; |
| 76 | virtual QSGRenderLoop *createWindowManager() = 0; |
| 77 | }; |
| 78 | |
| 79 | Q_DECLARE_OPERATORS_FOR_FLAGS(QSGContextFactoryInterface::Flags) |
| 80 | |
| 81 | #define QSGContextFactoryInterface_iid \ |
| 82 | "org.qt-project.Qt.QSGContextFactoryInterface" |
| 83 | Q_DECLARE_INTERFACE(QSGContextFactoryInterface, QSGContextFactoryInterface_iid) |
| 84 | |
| 85 | class Q_QUICK_PRIVATE_EXPORT QSGContextPlugin : public QObject, public QSGContextFactoryInterface |
| 86 | { |
| 87 | Q_OBJECT |
| 88 | Q_INTERFACES(QSGContextFactoryInterface:QFactoryInterface) |
| 89 | public: |
| 90 | explicit QSGContextPlugin(QObject *parent = nullptr); |
| 91 | virtual ~QSGContextPlugin(); |
| 92 | |
| 93 | QStringList keys() const override = 0; |
| 94 | |
| 95 | QQuickTextureFactory *createTextureFactoryFromImage(const QImage &) override { return nullptr; } |
| 96 | QSGRenderLoop *createWindowManager() override { return nullptr; } |
| 97 | }; |
| 98 | |
| 99 | QT_END_NAMESPACE |
| 100 | |
| 101 | #endif // QSGCONTEXTPLUGIN_H |
| 102 |