digiKam Developer Documentation
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Digikam::Haar::SignatureMap Class Reference

This class provides very fast lookup if a certain pixel is set (positive or negative) in the loaded coefficient set.

Public Types

typedef bool MapIndexType
 

Public Member Functions

void fill (const Haar::Idx *const coefs)
 Load a set of coefficients.
 
bool operator[] (Haar::Idx index) const
 Query if the given index is set. Index must be in the range -16383..16383.
 

Public Attributes

MapIndexType * m_indexList = nullptr