/usr/include/vtk-6.3/vtkDataCompressor.h is in libvtk6-dev 6.3.0+dfsg1-11build1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | /*=========================================================================
Program: Visualization Toolkit
Module: vtkDataCompressor.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkDataCompressor - Abstract interface for data compression classes.
// .SECTION Description
// vtkDataCompressor provides a universal interface for data
// compression. Subclasses provide one compression method and one
// decompression method. The public interface to all compressors
// remains the same, and is defined by this class.
#ifndef vtkDataCompressor_h
#define vtkDataCompressor_h
#include "vtkIOCoreModule.h" // For export macro
#include "vtkObject.h"
class vtkUnsignedCharArray;
class VTKIOCORE_EXPORT vtkDataCompressor : public vtkObject
{
public:
vtkTypeMacro(vtkDataCompressor,vtkObject);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Get the maximum space that may be needed to store data of the
// given uncompressed size after compression. This is the minimum
// size of the output buffer that can be passed to the four-argument
// Compress method.
virtual size_t GetMaximumCompressionSpace(size_t size)=0;
// Description:
// Compress the given input data buffer into the given output
// buffer. The size of the output buffer must be at least as large
// as the value given by GetMaximumCompressionSpace for the given
// input size.
size_t Compress(unsigned char const* uncompressedData,
size_t uncompressedSize,
unsigned char* compressedData,
size_t compressionSpace);
// Description:
// Uncompress the given input data into the given output buffer.
// The size of the uncompressed data must be known by the caller.
// It should be transmitted from the compressor by a means outside
// of this class.
size_t Uncompress(unsigned char const* compressedData,
size_t compressedSize,
unsigned char* uncompressedData,
size_t uncompressedSize);
// Description:
// Compress the given data. A vtkUnsignedCharArray containing the
// compressed data is returned with a reference count of 1.
vtkUnsignedCharArray* Compress(unsigned char const* uncompressedData,
size_t uncompressedSize);
// Description:
// Uncompress the given data. A vtkUnsignedCharArray containing the
// compressed data is returned with a reference count of 1. The
// size of the uncompressed data must be known by the caller. It
// should be transmitted from the compressor by a means outside of
// this class.
vtkUnsignedCharArray* Uncompress(unsigned char const* compressedData,
size_t compressedSize,
size_t uncompressedSize);
protected:
vtkDataCompressor();
~vtkDataCompressor();
// Actual compression method. This must be provided by a subclass.
// Must return the size of the compressed data, or zero on error.
virtual size_t CompressBuffer(unsigned char const* uncompressedData,
size_t uncompressedSize,
unsigned char* compressedData,
size_t compressionSpace)=0;
// Actual decompression method. This must be provided by a subclass.
// Must return the size of the uncompressed data, or zero on error.
virtual size_t UncompressBuffer(unsigned char const* compressedData,
size_t compressedSize,
unsigned char* uncompressedData,
size_t uncompressedSize)=0;
private:
vtkDataCompressor(const vtkDataCompressor&); // Not implemented.
void operator=(const vtkDataCompressor&); // Not implemented.
};
#endif
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