1/*M///////////////////////////////////////////////////////////////////////////////////////
2//
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4//
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6//  If you do not agree to this license, do not download, install,
7//  copy or use the software.
8//
9//
10//                        Intel License Agreement
11//                For Open Source Computer Vision Library
12//
13// Copyright (C) 2000, Intel Corporation, all rights reserved.
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40//M*/
41
42#ifndef _GRFMT_SUNRAS_H_
43#define _GRFMT_SUNRAS_H_
44
45#include "grfmt_base.h"
46
47enum SunRasType
48{
49    RAS_OLD = 0,
50    RAS_STANDARD = 1,
51    RAS_BYTE_ENCODED = 2, /* RLE encoded */
52    RAS_FORMAT_RGB = 3    /* RGB instead of BGR */
53};
54
55enum SunRasMapType
56{
57    RMT_NONE = 0,       /* direct color encoding */
58    RMT_EQUAL_RGB = 1   /* paletted image */
59};
60
61
62// Sun Raster Reader
63class GrFmtSunRasterReader : public GrFmtReader
64{
65public:
66
67    GrFmtSunRasterReader( const char* filename );
68    ~GrFmtSunRasterReader();
69
70    bool  ReadData( uchar* data, int step, int color );
71    bool  ReadHeader();
72    void  Close();
73
74protected:
75
76    RMByteStream    m_strm;
77    PaletteEntry    m_palette[256];
78    int             m_bpp;
79    int             m_offset;
80    SunRasType      m_type;
81    SunRasMapType   m_maptype;
82    int             m_maplength;
83};
84
85
86class GrFmtSunRasterWriter : public GrFmtWriter
87{
88public:
89
90    GrFmtSunRasterWriter( const char* filename );
91    ~GrFmtSunRasterWriter();
92
93    bool  WriteImage( const uchar* data, int step,
94                      int width, int height, int depth, int channels );
95protected:
96
97    WMByteStream  m_strm;
98};
99
100
101// ... and filter factory
102class GrFmtSunRaster : public GrFmtFilterFactory
103{
104public:
105
106    GrFmtSunRaster();
107    ~GrFmtSunRaster();
108
109    GrFmtReader* NewReader( const char* filename );
110    GrFmtWriter* NewWriter( const char* filename );
111};
112
113#endif/*_GRFMT_SUNRAS_H_*/
114