/src/FreeImage/Source/OpenEXR/IlmImf/ImfZipCompressor.h

 1///////////////////////////////////////////////////////////////////////////
 2//
 3// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
 4// Digital Ltd. LLC
 5// 
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33///////////////////////////////////////////////////////////////////////////
34
35
36
37#ifndef INCLUDED_IMF_ZIP_COMPRESSOR_H
38#define INCLUDED_IMF_ZIP_COMPRESSOR_H
39
40//-----------------------------------------------------------------------------
41//
42//	class ZipCompressor -- performs zlib-style compression
43//
44//-----------------------------------------------------------------------------
45
46#include <ImfCompressor.h>
47
48namespace Imf {
49
50
51class ZipCompressor: public Compressor
52{
53  public:
54
55    ZipCompressor (const Header &hdr, 
56                   size_t maxScanLineSize,
57                   size_t numScanLines);
58
59    virtual ~ZipCompressor ();
60
61    virtual int numScanLines () const;
62
63    virtual int	compress (const char *inPtr,
64			  int inSize,
65			  int minY,
66			  const char *&outPtr);
67
68    virtual int	uncompress (const char *inPtr,
69			    int inSize,
70			    int minY,
71			    const char *&outPtr);
72  private:
73
74    int		_maxScanLineSize;
75    int		_numScanLines;
76    char *	_tmpBuffer;
77    char *	_outBuffer;
78};
79
80
81} // namespace Imf
82
83#endif