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ImfB44Compressor.h
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34 
35 
36 #ifndef INCLUDED_IMF_B44_COMPRESSOR_H
37 #define INCLUDED_IMF_B44_COMPRESSOR_H
38 
39 //-----------------------------------------------------------------------------
40 //
41 // class B44Compressor -- lossy compression of 4x4 pixel blocks
42 //
43 //-----------------------------------------------------------------------------
44 
45 #include "ImfCompressor.h"
46 #include "ImfNamespace.h"
47 #include "ImfExport.h"
48 #include "ImfForward.h"
49 
51 
52 
53 class IMF_EXPORT B44Compressor: public Compressor
54 {
55  public:
56 
57  B44Compressor (const Header &hdr,
58  size_t maxScanLineSize,
59  size_t numScanLines,
60  bool optFlatFields);
61 
62  virtual ~B44Compressor ();
63 
64  virtual int numScanLines () const;
65 
66  virtual Format format () const;
67 
68  virtual int compress (const char *inPtr,
69  int inSize,
70  int minY,
71  const char *&outPtr);
72 
73  virtual int compressTile (const char *inPtr,
74  int inSize,
76  const char *&outPtr);
77 
78  virtual int uncompress (const char *inPtr,
79  int inSize,
80  int minY,
81  const char *&outPtr);
82 
83  virtual int uncompressTile (const char *inPtr,
84  int inSize,
86  const char *&outPtr);
87  private:
88 
89  struct ChannelData;
90 
91  int compress (const char *inPtr,
92  int inSize,
94  const char *&outPtr);
95 
96  int uncompress (const char *inPtr,
97  int inSize,
99  const char *&outPtr);
100 
101  int _maxScanLineSize;
102  bool _optFlatFields;
103  Format _format;
104  int _numScanLines;
105  unsigned short * _tmpBuffer;
106  char * _outBuffer;
107  int _numChans;
108  const ChannelList & _channels;
109  ChannelData * _channelData;
110  int _minX;
111  int _maxX;
112  int _maxY;
113 };
114 
115 
117 
118 #endif
GLenum GLint * range
Definition: glcorearb.h:1924
#define OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
Definition: ImfNamespace.h:109
Box< V2i > Box2i
Definition: ImathBox.h:133
#define IMF_EXPORT
Definition: ImfExport.h:59
GLint GLint GLsizei GLint GLenum format
Definition: glcorearb.h:107
#define OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
Definition: ImfNamespace.h:108