grfmt_sunras.hpp

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#ifndef _GRFMT_SUNRAS_H_
#define _GRFMT_SUNRAS_H_

#include "grfmt_base.hpp"

#ifdef HAVE_IMGCODEC_SUNRASTER

namespace cv
{

enum SunRasType
{
    RAS_OLD = 0,
    RAS_STANDARD = 1,
    RAS_BYTE_ENCODED = 2, /* RLE encoded */
    RAS_FORMAT_RGB = 3    /* RGB instead of BGR */
};

enum SunRasMapType
{
    RMT_NONE = 0,       /* direct color encoding */
    RMT_EQUAL_RGB = 1   /* paletted image */
};


// Sun Raster Reader
class SunRasterDecoder CV_FINAL : public BaseImageDecoder
{
public:

    SunRasterDecoder();
    virtual ~SunRasterDecoder() CV_OVERRIDE;

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

    ImageDecoder newDecoder() const CV_OVERRIDE;

protected:

    RMByteStream    m_strm;
    PaletteEntry    m_palette[256];
    int             m_bpp;
    int             m_offset;
    SunRasType      m_encoding;
    SunRasMapType   m_maptype;
    int             m_maplength;
};


class SunRasterEncoder CV_FINAL : public BaseImageEncoder
{
public:
    SunRasterEncoder();
    virtual ~SunRasterEncoder() CV_OVERRIDE;

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

    ImageEncoder newEncoder() const CV_OVERRIDE;
};

}

#endif // HAVE_IMGCODEC_SUNRASTER

#endif/*_GRFMT_SUNRAS_H_*/