VTK  9.3.1
vtkLZMADataCompressor.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
20 #ifndef vtkLZMADataCompressor_h
21 #define vtkLZMADataCompressor_h
22 
23 #include "vtkDataCompressor.h"
24 #include "vtkIOCoreModule.h" // For export macro
25 
26 VTK_ABI_NAMESPACE_BEGIN
27 class VTKIOCORE_EXPORT vtkLZMADataCompressor : public vtkDataCompressor
28 {
29 public:
31  void PrintSelf(ostream& os, vtkIndent indent) override;
32  static vtkLZMADataCompressor* New();
33 
40  size_t GetMaximumCompressionSpace(size_t size) override;
45  // Compression level setter required by vtkDataCompressor.
46  void SetCompressionLevel(int compressionLevel) override;
47 
48  // Compression level getter required by vtkDataCompressor.
49  int GetCompressionLevel() override;
50 
51 protected:
53  ~vtkLZMADataCompressor() override;
54 
56 
57  // Compression method required by vtkDataCompressor.
58  size_t CompressBuffer(unsigned char const* uncompressedData, size_t uncompressedSize,
59  unsigned char* compressedData, size_t compressionSpace) override;
60  // Decompression method required by vtkDataCompressor.
61  size_t UncompressBuffer(unsigned char const* compressedData, size_t compressedSize,
62  unsigned char* uncompressedData, size_t uncompressedSize) override;
63 
64 private:
66  void operator=(const vtkLZMADataCompressor&) = delete;
67 };
68 
69 VTK_ABI_NAMESPACE_END
70 #endif
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
Abstract interface for data compression classes.
virtual size_t CompressBuffer(unsigned char const *uncompressedData, size_t uncompressedSize, unsigned char *compressedData, size_t compressionSpace)=0
virtual size_t GetMaximumCompressionSpace(size_t size)=0
Get the maximum space that may be needed to store data of the given uncompressed size after compressi...
a simple class to control print indentation
Definition: vtkIndent.h:28
virtual size_t UncompressBuffer(unsigned char const *compressedData, size_t compressedSize, unsigned char *uncompressedData, size_t uncompressedSize)=0
virtual void SetCompressionLevel(int compressionLevel)=0
Compression performance varies greatly with compression level Require level setting from any vtkDataC...
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual int GetCompressionLevel()=0
Data compression using LZMA Utils.