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,
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40//M*/
41
42#ifndef _GRFMT_BMP_H_
43#define _GRFMT_BMP_H_
44
45#include "grfmt_base.h"
46
47enum 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
57class GrFmtBmpReader : public GrFmtReader
58{
59public:
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
68protected:
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
79class GrFmtBmpWriter : public GrFmtWriter
80{
81public:
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 );
88protected:
89
90    WLByteStream  m_strm;
91};
92
93
94// ... and filter factory
95class GrFmtBmp : public GrFmtFilterFactory
96{
97public:
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