VTK
vtkByteSwap.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkByteSwap.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
27#ifndef vtkByteSwap_h
28#define vtkByteSwap_h
29
30#include "vtkCommonCoreModule.h" // For export macro
31#include "vtkObject.h"
32
33class VTKCOMMONCORE_EXPORT vtkByteSwap : public vtkObject
34{
35public:
36 static vtkByteSwap *New();
37 vtkTypeMacro(vtkByteSwap,vtkObject);
38
40
45#define VTK_BYTE_SWAP_DECL(T) \
46 static void SwapLE(T* p); \
47 static void SwapBE(T* p); \
48 static void SwapLERange(T* p, size_t num); \
49 static void SwapBERange(T* p, size_t num); \
50 static bool SwapLERangeWrite(const T* p, size_t num, FILE* file); \
51 static bool SwapBERangeWrite(const T* p, size_t num, FILE* file); \
52 static void SwapLERangeWrite(const T* p, size_t num, ostream* os); \
53 static void SwapBERangeWrite(const T* p, size_t num, ostream* os)
61 VTK_BYTE_SWAP_DECL(signed char);
62 VTK_BYTE_SWAP_DECL(unsigned char);
63 VTK_BYTE_SWAP_DECL(unsigned short);
64 VTK_BYTE_SWAP_DECL(unsigned int);
65 VTK_BYTE_SWAP_DECL(unsigned long);
66 VTK_BYTE_SWAP_DECL(unsigned long long);
67#undef VTK_BYTE_SWAP_DECL
69
71
74 static void Swap2LE(void* p);
75 static void Swap4LE(void* p);
76 static void Swap8LE(void* p);
78
80
83 static void Swap2LERange(void* p, size_t num);
84 static void Swap4LERange(void* p, size_t num);
85 static void Swap8LERange(void* p, size_t num);
87
89
93 static bool SwapWrite2LERange(void const* p, size_t num, FILE* f);
94 static bool SwapWrite4LERange(void const* p, size_t num, FILE* f);
95 static bool SwapWrite8LERange(void const* p, size_t num, FILE* f);
96 static void SwapWrite2LERange(void const* p, size_t num, ostream* os);
97 static void SwapWrite4LERange(void const* p, size_t num, ostream* os);
98 static void SwapWrite8LERange(void const* p, size_t num, ostream* os);
100
102
105 static void Swap2BE(void* p);
106 static void Swap4BE(void* p);
107 static void Swap8BE(void* p);
109
111
114 static void Swap2BERange(void* p, size_t num);
115 static void Swap4BERange(void* p, size_t num);
116 static void Swap8BERange(void* p, size_t num);
118
120
124 static bool SwapWrite2BERange(void const* p, size_t num, FILE* f);
125 static bool SwapWrite4BERange(void const* p, size_t num, FILE* f);
126 static bool SwapWrite8BERange(void const* p, size_t num, FILE* f);
127 static void SwapWrite2BERange(void const* p, size_t num, ostream* os);
128 static void SwapWrite4BERange(void const* p, size_t num, ostream* os);
129 static void SwapWrite8BERange(void const* p, size_t num, ostream* os);
131
136 static void SwapVoidRange(void *buffer, size_t numWords, size_t wordSize);
137
138protected:
140 ~vtkByteSwap() VTK_OVERRIDE;
141
142private:
143 vtkByteSwap(const vtkByteSwap&) VTK_DELETE_FUNCTION;
144 void operator=(const vtkByteSwap&) VTK_DELETE_FUNCTION;
145};
146
147#endif
148// VTK-HeaderTest-Exclude: vtkByteSwap.h
perform machine dependent byte swapping
Definition: vtkByteSwap.h:34
static void SwapWrite2LERange(void const *p, size_t num, ostream *os)
static bool SwapWrite4BERange(void const *p, size_t num, FILE *f)
static void Swap2BERange(void *p, size_t num)
Swap a block of 2-, 4-, or 8-byte segments for storage as Big Endian.
static bool SwapWrite2LERange(void const *p, size_t num, FILE *f)
Swap a block of 2-, 4-, or 8-byte segments for storage as Little Endian.
VTK_BYTE_SWAP_DECL(unsigned char)
VTK_BYTE_SWAP_DECL(float)
VTK_BYTE_SWAP_DECL(double)
static bool SwapWrite8BERange(void const *p, size_t num, FILE *f)
VTK_BYTE_SWAP_DECL(unsigned short)
VTK_BYTE_SWAP_DECL(unsigned long long)
VTK_BYTE_SWAP_DECL(unsigned long)
static bool SwapWrite2BERange(void const *p, size_t num, FILE *f)
Swap a block of 2-, 4-, or 8-byte segments for storage as Big Endian.
static vtkByteSwap * New()
static void SwapWrite8BERange(void const *p, size_t num, ostream *os)
static void Swap8LE(void *p)
VTK_BYTE_SWAP_DECL(short)
static void Swap4BERange(void *p, size_t num)
static void Swap4BE(void *p)
static void Swap4LE(void *p)
static void Swap2LERange(void *p, size_t num)
Swap a block of 2-, 4-, or 8-byte segments for storage as Little Endian.
VTK_BYTE_SWAP_DECL(long)
static void SwapWrite4BERange(void const *p, size_t num, ostream *os)
static void Swap8BE(void *p)
~vtkByteSwap() override
static void Swap2BE(void *p)
Swap 2, 4, or 8 bytes for storage as Big Endian.
static void SwapWrite4LERange(void const *p, size_t num, ostream *os)
static void SwapWrite8LERange(void const *p, size_t num, ostream *os)
static void Swap8LERange(void *p, size_t num)
static bool SwapWrite8LERange(void const *p, size_t num, FILE *f)
static void Swap8BERange(void *p, size_t num)
VTK_BYTE_SWAP_DECL(unsigned int)
static bool SwapWrite4LERange(void const *p, size_t num, FILE *f)
static void Swap4LERange(void *p, size_t num)
VTK_BYTE_SWAP_DECL(int)
static void SwapWrite2BERange(void const *p, size_t num, ostream *os)
static void SwapVoidRange(void *buffer, size_t numWords, size_t wordSize)
Swaps the bytes of a buffer.
VTK_BYTE_SWAP_DECL(char)
VTK_BYTE_SWAP_DECL(signed char)
static void Swap2LE(void *p)
Swap 2, 4, or 8 bytes for storage as Little Endian.
VTK_BYTE_SWAP_DECL(long long)
abstract base class for most VTK objects
Definition: vtkObject.h:60