grfmt_sunras.h

OPENCV系列的

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#ifndef _GRFMT_SUNRAS_H_
#define _GRFMT_SUNRAS_H_

#include "grfmt_base.h"

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 GrFmtSunRasterReader : public GrFmtReader
{
public:

    GrFmtSunRasterReader();
    ~GrFmtSunRasterReader();

    bool  ReadData( uchar* data, int step, int color );
    bool  ReadHeader();
    void  Close();

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


class GrFmtSunRasterWriter : public GrFmtWriter
{
public:
    
    GrFmtSunRasterWriter();
    ~GrFmtSunRasterWriter();
    
    bool  WriteImage( const char* filename,
                      const uchar* data, int step,
                      int width, int height, bool isColor );
protected:

    WMByteStream  m_strm;
};


#endif/*_GRFMT_SUNRAS_H_*/