SWAB(3T)SWAB(3T)NAME
TIFFReverseBits, TIFFSwabShort, TIFFSwabLong, TIFFSwabArrayOfShort, TIFFSwabArrayOfLong - byte- and bit-swapping routines
SYNOPSIS
#include <tiffio.h>
const unsigned char* TIFFGetBitRevTable(int reversed);
void TIFFReverseBits(u_char* data, unsigned long nbytes)
void TIFFSwabShort(uint16* data)
void TIFFSwabLong(uint32* data)
void TIFFSwabArrayOfShort(uint16* data, unsigned long nshorts)
void TIFFSwabArrayOfLong(uint32* data, unsigned long nlongs)
DESCRIPTION
The following routines are used by the library to swap 16- and 32-bit data and to reverse the order of bits in bytes.
TIFFSwabShort and TIFFSwabLong swap the bytes in a single 16-bit and 32-bit item, respectively. TIFFSwabArrayOfShort and TIFFSwabArrayOf-
Long swap the bytes in an array of 16-bit and 32-bit items, respectively.
TIFFReverseBits replaces each byte in data with the equivalent bit-reversed value. This operation is done with a lookup table, TIFFBi-
tRevTable which is declared public. A second table, TIFFNoBitRevTable is also declared public; it is a lookup table that can be used as an
identity function; i.e. TIFFNoBitRevTable[n] == n.
DIAGNOSTICS
None.
SEE ALSO libtiff(3T),
December 16, 1991 SWAB(3T)
Check Out this Related Man Page
TIFFswab(3tiff)TIFFswab(3tiff)NAME
TIFFswab, TIFFGetBitRevTable, TIFFReverseBits, TIFFSwabShort, TIFFSwabLong, TIFFSwabArrayOfShort, TIFFSwabArrayOfLong - byte- and bit-swap-
ping routines
SYNOPSIS
#include <tiffio.h>
const unsigned char* TIFFGetBitRevTable(int reversed);
void TIFFReverseBits(u_char* data, unsigned long nbytes)
void TIFFSwabShort(uint16* data)
void TIFFSwabLong(uint32* data)
void TIFFSwabArrayOfShort(uint16* data, unsigned long nshorts)
void TIFFSwabArrayOfLong(uint32* data, unsigned long nlongs)
The following routines are used by the library to swap 16- and 32-bit data and to reverse the order of bits in bytes.
TIFFSwabShort and TIFFSwabLong swap the bytes in a single 16-bit and 32-bit item, respectively.
TIFFSwabArrayOfShort and TIFFSwabArrayOfLong swap the bytes in an array of 16-bit and 32-bit items, respectively.
TIFFReverseBits replaces each byte in data with the equivalent bit-reversed value. This operation is done with a lookup table, TIFFBi-
tRevTable, which is declared public. A second table, TIFFNoBitRevTable, is also declared public, and is a lookup table that can be used as
an identity function. That is, TIFFNoBitRevTable[n] == n.
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWTiff |
+-----------------------------+-----------------------------+
|Interface stability |Uncommitted |
+-----------------------------+-----------------------------+
libtiff(3)
This man page was originally written by Sam Leffler. Updated by Breda McColgan, Sun Microsystems Inc., 2004.
05 Apr 2004 TIFFswab(3tiff)
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