kis_abstract_compression.h

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/*
 *  SPDX-FileCopyrightText: 2010 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __KIS_ABSTRACT_COMPRESSION_H
#define __KIS_ABSTRACT_COMPRESSION_H
 
#include "kritaimage_export.h"
#include <QtGlobal>
 
class KRITAIMAGE_EXPORT KisAbstractCompression
{
public:
    KisAbstractCompression();
    virtual ~KisAbstractCompression();
 
    virtual qint32 compress(const quint8* input, qint32 inputLength, quint8* output, qint32 outputLength) = 0;
 
    virtual qint32 decompress(const quint8* input, qint32 inputLength, quint8* output, qint32 outputLength) = 0;
 
    virtual qint32 outputBufferSize(qint32 dataSize) = 0;
 
    virtual void adjustForDataSize(qint32 dataSize);
 
public:
    static void linearizeColors(quint8 *input, quint8 *output,
                                qint32 dataSize, qint32 pixelSize);
    static void delinearizeColors(quint8 *input, quint8 *output,
                                  qint32 dataSize, qint32 pixelSize);
};
 
#endif /* __KIS_ABSTRACT_COMPRESSION_H */