checksum.hxx File Reference

#include <sal/config.h>
#include <sal/types.h>
#include <vcl/dllapi.h>

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Macros
#define	BITMAP_CHECKSUM_SIZE   8

Typedefs
typedef sal_uInt64	BitmapChecksum
typedef sal_uInt8	BitmapChecksumOctetArray[BITMAP_CHECKSUM_SIZE]

Functions
template<sal_uInt8 N = 0>
void	BCToBCOA (BitmapChecksum n, BitmapChecksumOctetArray p)
template<>
void	BCToBCOA< BITMAP_CHECKSUM_SIZE > (BitmapChecksum, BitmapChecksumOctetArray)
VCL_DLLPUBLIC sal_uInt64	vcl_crc64 (sal_uInt64 Crc, const void *Data, sal_uInt32 DatLen) SAL_THROW_EXTERN_C()
	Evaluate CRC64 over given data. More...
const sal_uInt64 *	vcl_get_crc64_table ()
BitmapChecksum	vcl_get_checksum (BitmapChecksum Checksum, const void *Data, sal_uInt32 DatLen)

Macro Definition Documentation

BITMAP_CHECKSUM_SIZE

#define BITMAP_CHECKSUM_SIZE   8

Definition at line 28 of file checksum.hxx.

Typedef Documentation

BitmapChecksum

typedef sal_uInt64 BitmapChecksum

Definition at line 30 of file checksum.hxx.

BitmapChecksumOctetArray

typedef sal_uInt8 BitmapChecksumOctetArray[BITMAP_CHECKSUM_SIZE]

Definition at line 31 of file checksum.hxx.

Function Documentation

BCToBCOA()

template<sal_uInt8 N = 0>

void BCToBCOA ( BitmapChecksum  n, BitmapChecksumOctetArray  p  )

inline

Definition at line 34 of file checksum.hxx.

References N, n, and p.

Referenced by Animation::GetChecksum(), BitmapEx::GetChecksum(), and SvmWriter::GetChecksum().

BCToBCOA< BITMAP_CHECKSUM_SIZE >()

template<>

void BCToBCOA< BITMAP_CHECKSUM_SIZE > ( BitmapChecksum  , BitmapChecksumOctetArray    )

inline

Definition at line 41 of file checksum.hxx.

vcl_crc64()

VCL_DLLPUBLIC sal_uInt64 vcl_crc64	(	sal_uInt64	Crc,
		const void *	Data,
		sal_uInt32	DatLen
	)

Evaluate CRC64 over given data.

This function evaluates the CRC polynomial 0xEDB88320.

Parameters

Crc	[in] CRC64 over previous data or zero.
Data	[in] data buffer.
DatLen	[in] data buffer length.

Returns

new CRC64 value.

Definition at line 129 of file checksum.cxx.

References Data, p, SAL_THROW_EXTERN_C, and UPDCRC64.

Referenced by vcl_get_checksum().

vcl_get_checksum()

BitmapChecksum vcl_get_checksum ( BitmapChecksum  Checksum, const void *  Data, sal_uInt32  DatLen  )

inline

Definition at line 72 of file checksum.hxx.

References Data, and vcl_crc64().

Referenced by vcl::PDFWriterImpl::drawJPGBitmap(), Animation::GetChecksum(), AnimationFrame::GetChecksum(), BitmapEx::GetChecksum(), BitmapPalette::GetChecksum(), VectorGraphicData::GetChecksum(), SvmWriter::GetChecksum(), GraphicID::GraphicID(), scanlineChecksum(), and SalBitmap::updateChecksum().

vcl_get_crc64_table()

const sal_uInt64 * vcl_get_crc64_table

(

)

Definition at line 149 of file checksum.cxx.

References vcl_crc64Table.