Revision control
++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #ifndef QQUICKIMAGEPREVIEWPROVIDER_H
++ #define QQUICKIMAGEPREVIEWPROVIDER_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists for the convenience
++ // of other Qt classes. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QtMultimediaQuick/private/qtmultimediaquickglobal_p.h>
++ #include <QtQuick/qquickimageprovider.h>
++ #include <QtCore/quuid.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class Q_MULTIMEDIAQUICK_EXPORT QQuickImagePreviewProvider : public QQuickImageProvider
++ {
++ public:
++ QQuickImagePreviewProvider();
++ ~QQuickImagePreviewProvider() override;
++
++ QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize) override;
++ static void registerPreview(QUuid captureInstance, QString id, QImage);
++ static void cleanupInstance(QUuid captureInstance);
++ };
++
++ QT_END_NAMESPACE
++
++ #endif