Digikam::DatabaseBlob Class Reference

Public Types
enum	{ Version = 1 }

Public Member Functions
	DatabaseBlob ()=default
void	read (const QByteArray &array, Haar::SignatureData &data)
QByteArray	write (Haar::SignatureData &data)

Detailed Description

This class encapsulates the Haar signature in a QByteArray that can be stored as a BLOB in the database.

Reading and writing is done in a platform-independent manner, which induces a certain overhead, but which is necessary IMO.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
Version

Constructor & Destructor Documentation

DatabaseBlob()

Digikam::DatabaseBlob::DatabaseBlob ( )

default

Member Function Documentation

read()

void Digikam::DatabaseBlob::read	(	const QByteArray &	array,
		Haar::SignatureData &	data
	)

Read the QByteArray into the Haar::SignatureData.

References Digikam::Haar::SignatureData::avg, Digikam::Haar::NumberOfCoefficients, Digikam::Haar::SignatureData::sig, and Version.

Referenced by Digikam::HaarIface::bestMatchesForSignature(), Digikam::HaarIface::Private::rebuildSignatureCache(), and Digikam::HaarIface::retrieveSignatureFromDB().

write()

QByteArray Digikam::DatabaseBlob::write

(

Haar::SignatureData &

data

)

References Digikam::Haar::SignatureData::avg, Digikam::Haar::NumberOfCoefficients, Digikam::Haar::SignatureData::sig, and Version.

Referenced by Digikam::HaarIface::signatureAsText().

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The documentation for this class was generated from the following files:

• core/libs/database/haar/haariface_p.h
• core/libs/database/haar/haariface_p.cpp