/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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//  If you do not agree to this license, do not download, install,
//  copy or use the software.
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//
//                        Intel License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// are permitted provided that the following conditions are met:
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//M*/

#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( const char* filename );
    ~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( const char* filename );
    ~GrFmtSunRasterWriter();

    bool  WriteImage( const uchar* data, int step,
                      int width, int height, int channels );
protected:

    WMByteStream  m_strm;
};


// ... and filter factory
class GrFmtSunRaster : public GrFmtFilterFactory
{
public:
    
    GrFmtSunRaster();
    ~GrFmtSunRaster();

    GrFmtReader* NewReader( const char* filename );
    GrFmtWriter* NewWriter( const char* filename );
};

#endif/*_GRFMT_SUNRAS_H_*/
