grfmt_jpeg.hpp

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#ifndef _GRFMT_JPEG_H_
#define _GRFMT_JPEG_H_

#include "grfmt_base.hpp"
#include "bitstrm.hpp"

#ifdef HAVE_JPEG

// IJG-based Jpeg codec

namespace cv
{

class JpegDecoder CV_FINAL : public BaseImageDecoder
{
public:

    JpegDecoder();
    virtual ~JpegDecoder();

    bool  readData( Mat& img ) CV_OVERRIDE;
    bool  readHeader() CV_OVERRIDE;
    void  close();

    ImageDecoder newDecoder() const CV_OVERRIDE;

protected:

    FILE* m_f;
    void* m_state;

private:
    JpegDecoder(const JpegDecoder &); // copy disabled
    JpegDecoder& operator=(const JpegDecoder &); // assign disabled
};


class JpegEncoder CV_FINAL : public BaseImageEncoder
{
public:
    JpegEncoder();
    virtual ~JpegEncoder();

    bool  write( const Mat& img, const std::vector<int>& params ) CV_OVERRIDE;
    ImageEncoder newEncoder() const CV_OVERRIDE;
};

}

#endif

#endif/*_GRFMT_JPEG_H_*/