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      1 /*M///////////////////////////////////////////////////////////////////////////////////////
      2 //
      3 //  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
      4 //
      5 //  By downloading, copying, installing or using the software you agree to this license.
      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.
     14 // Third party copyrights are property of their respective owners.
     15 //
     16 // Redistribution and use in source and binary forms, with or without modification,
     17 // are permitted provided that the following conditions are met:
     18 //
     19 //   * Redistribution's of source code must retain the above copyright notice,
     20 //     this list of conditions and the following disclaimer.
     21 //
     22 //   * Redistribution's in binary form must reproduce the above copyright notice,
     23 //     this list of conditions and the following disclaimer in the documentation
     24 //     and/or other materials provided with the distribution.
     25 //
     26 //   * The name of Intel Corporation may not be used to endorse or promote products
     27 //     derived from this software without specific prior written permission.
     28 //
     29 // This software is provided by the copyright holders and contributors "as is" and
     30 // any express or implied warranties, including, but not limited to, the implied
     31 // warranties of merchantability and fitness for a particular purpose are disclaimed.
     32 // In no event shall the Intel Corporation or contributors be liable for any direct,
     33 // indirect, incidental, special, exemplary, or consequential damages
     34 // (including, but not limited to, procurement of substitute goods or services;
     35 // loss of use, data, or profits; or business interruption) however caused
     36 // and on any theory of liability, whether in contract, strict liability,
     37 // or tort (including negligence or otherwise) arising in any way out of
     38 // the use of this software, even if advised of the possibility of such damage.
     39 //
     40 //M*/
     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