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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
**
******************************************************************************/

#ifndef QKTXHANDLER_H
#define QKTXHANDLER_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qtexturefilehandler_p.h"

QT_BEGIN_NAMESPACE

struct KTXHeader;

class QKtxHandler : public QTextureFileHandler
{
public:
    using QTextureFileHandler::QTextureFileHandler;

    static bool canRead(const QByteArray &suffix, const QByteArray &block);

    QTextureFileData read() override;

private:
    bool checkHeader(const KTXHeader &header);
    QMap<QByteArray, QByteArray> decodeKeyValues(QByteArrayView view) const;
    quint32 decode(quint32 val) const;

    bool inverseEndian = false;
};

QT_END_NAMESPACE

#endif // QKTXHANDLER_H