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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 //                           License Agreement
     11 //                For Open Source Computer Vision Library
     12 //
     13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
     14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
     15 // Third party copyrights are property of their respective owners.
     16 //
     17 // Redistribution and use in source and binary forms, with or without modification,
     18 // are permitted provided that the following conditions are met:
     19 //
     20 //   * Redistribution's of source code must retain the above copyright notice,
     21 //     this list of conditions and the following disclaimer.
     22 //
     23 //   * Redistribution's in binary form must reproduce the above copyright notice,
     24 //     this list of conditions and the following disclaimer in the documentation
     25 //     and/or other materials provided with the distribution.
     26 //
     27 //   * The name of the copyright holders may not be used to endorse or promote products
     28 //     derived from this software without specific prior written permission.
     29 //
     30 // This software is provided by the copyright holders and contributors "as is" and
     31 // any express or implied warranties, including, but not limited to, the implied
     32 // warranties of merchantability and fitness for a particular purpose are disclaimed.
     33 // In no event shall the Intel Corporation or contributors be liable for any direct,
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     35 // (including, but not limited to, procurement of substitute goods or services;
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     38 // or tort (including negligence or otherwise) arising in any way out of
     39 // the use of this software, even if advised of the possibility of such damage.
     40 //
     41 //M*/
     42 
     43 #ifndef _GRFMT_BMP_H_
     44 #define _GRFMT_BMP_H_
     45 
     46 #include "grfmt_base.hpp"
     47 
     48 namespace cv
     49 {
     50 
     51 enum BmpCompression
     52 {
     53     BMP_RGB = 0,
     54     BMP_RLE8 = 1,
     55     BMP_RLE4 = 2,
     56     BMP_BITFIELDS = 3
     57 };
     58 
     59 
     60 // Windows Bitmap reader
     61 class BmpDecoder : public BaseImageDecoder
     62 {
     63 public:
     64 
     65     BmpDecoder();
     66     ~BmpDecoder();
     67 
     68     bool  readData( Mat& img );
     69     bool  readHeader();
     70     void  close();
     71 
     72     ImageDecoder newDecoder() const;
     73 
     74 protected:
     75 
     76     RLByteStream    m_strm;
     77     PaletteEntry    m_palette[256];
     78     int             m_origin;
     79     int             m_bpp;
     80     int             m_offset;
     81     BmpCompression  m_rle_code;
     82 };
     83 
     84 
     85 // ... writer
     86 class BmpEncoder : public BaseImageEncoder
     87 {
     88 public:
     89     BmpEncoder();
     90     ~BmpEncoder();
     91 
     92     bool  write( const Mat& img, const std::vector<int>& params );
     93 
     94     ImageEncoder newEncoder() const;
     95 };
     96 
     97 }
     98 
     99 #endif/*_GRFMT_BMP_H_*/
    100