• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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