//
// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) Contributors to the OpenEXR Project.
//

#ifndef IMFINPUTPART_H_
#define IMFINPUTPART_H_

#include "ImfForward.h"

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER

//-------------------------------------------------------------------
// class InputPart:
//
// Same interface as InputFile. Please refer to InputFile.
//-------------------------------------------------------------------

class IMF_EXPORT_TYPE InputPart
{
public:
    IMF_EXPORT
    InputPart (MultiPartInputFile& multiPartFile, int partNumber);

    IMF_EXPORT
    const char* fileName () const;
    IMF_EXPORT
    const Header& header () const;
    IMF_EXPORT
    int version () const;
    IMF_EXPORT
    void setFrameBuffer (const FrameBuffer& frameBuffer);
    IMF_EXPORT
    const FrameBuffer& frameBuffer () const;
    IMF_EXPORT
    bool isComplete () const;
    IMF_EXPORT
    bool isOptimizationEnabled () const;
    IMF_EXPORT
    void readPixels (int scanLine1, int scanLine2);
    IMF_EXPORT
    void readPixels (int scanLine);
    IMF_EXPORT
    void readPixels (
        const FrameBuffer& frameBuffer, int scanLine1, int scanLine2);
    IMF_EXPORT
    void rawPixelData (
        int firstScanLine, const char*& pixelData, int& pixelDataSize);

    IMF_EXPORT
    void rawPixelDataToBuffer (
        int scanLine, char* pixelData, int& pixelDataSize) const;

    IMF_EXPORT
    void rawTileData (
        int&         dx,
        int&         dy,
        int&         lx,
        int&         ly,
        const char*& pixelData,
        int&         pixelDataSize);

private:
    InputFile* file;
    // for internal use - give OutputFile and TiledOutputFile access to file for copyPixels
    friend class OutputFile;
    friend class TiledOutputFile;
};

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT

#endif /* IMFINPUTPART_H_ */