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41 
42 #ifndef _GRFMT_SUNRAS_H_
43 #define _GRFMT_SUNRAS_H_
44 
45 #include "grfmt_base.h"
46 
47 enum 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 
55 enum SunRasMapType
56 {
57     RMT_NONE = 0,       /* direct color encoding */
58     RMT_EQUAL_RGB = 1   /* paletted image */
59 };
60 
61 
62 // Sun Raster Reader
63 class GrFmtSunRasterReader : public GrFmtReader
64 {
65 public:
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 
74 protected:
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 
86 class GrFmtSunRasterWriter : public GrFmtWriter
87 {
88 public:
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 );
95 protected:
96 
97     WMByteStream  m_strm;
98 };
99 
100 
101 // ... and filter factory
102 class GrFmtSunRaster : public GrFmtFilterFactory
103 {
104 public:
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