Home | History | Annotate | Download | only in highgui
      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_BMP_H_
     43 #define _GRFMT_BMP_H_
     44 
     45 #include "grfmt_base.h"
     46 
     47 enum BmpCompression
     48 {
     49     BMP_RGB = 0,
     50     BMP_RLE8 = 1,
     51     BMP_RLE4 = 2,
     52     BMP_BITFIELDS = 3
     53 };
     54 
     55 
     56 // Windows Bitmap reader
     57 class GrFmtBmpReader : public GrFmtReader
     58 {
     59 public:
     60 
     61     GrFmtBmpReader( const char* filename );
     62     ~GrFmtBmpReader();
     63 
     64     bool  ReadData( uchar* data, int step, int color );
     65     bool  ReadHeader();
     66     void  Close();
     67 
     68 protected:
     69 
     70     RLByteStream    m_strm;
     71     PaletteEntry    m_palette[256];
     72     int             m_bpp;
     73     int             m_offset;
     74     BmpCompression  m_rle_code;
     75 };
     76 
     77 
     78 // ... writer
     79 class GrFmtBmpWriter : public GrFmtWriter
     80 {
     81 public:
     82 
     83     GrFmtBmpWriter( const char* filename );
     84     ~GrFmtBmpWriter();
     85 
     86     bool  WriteImage( const uchar* data, int step,
     87                       int width, int height, int depth, int channels );
     88 protected:
     89 
     90     WLByteStream  m_strm;
     91 };
     92 
     93 
     94 // ... and filter factory
     95 class GrFmtBmp : public GrFmtFilterFactory
     96 {
     97 public:
     98 
     99     GrFmtBmp();
    100     ~GrFmtBmp();
    101 
    102     GrFmtReader* NewReader( const char* filename );
    103     GrFmtWriter* NewWriter( const char* filename );
    104 
    105 };
    106 
    107 #endif/*_GRFMT_BMP_H_*/
    108