dirac::Subband Class Reference

Class encapsulating all the metadata relating to a wavelet subband. More...

#include <wavelet_utils.h>

List of all members.

Public Member Functions
	Subband ()
	Default constructor.
	Subband (int xpos, int ypos, int xlen, int ylen)
	Constructor.
	Subband (int xpos, int ypos, int xlen, int ylen, int d)
	Constructor.
	~Subband ()
	Destructor.
int	Xl () const
	Return the width of the subband.
int	Xp () const
	Return the horizontal position of the subband.
int	Yl () const
	Return the height of the subband.
int	Yp () const
	Return the vertical position of the subband.
int	Max () const
	Return the index of the maximum bit of the largest coefficient.
double	Wt () const
	Return the subband perceptual weight.
int	Depth () const
	Return the depth of the subband in the transform.
int	Scale () const
	Return the scale of the subband, viewed as a subsampled version of the picture.
int	Qf (int n) const
	Return a quantisation factor.
int	Parent () const
	Return the index of the parent subband.
std::vector< int >	Children () const
	Return the indices of any child subbands.
int	Child (int n) const
void	SetQf (int n, int q)
	Set the perceptual weight.
void	SetWt (float w)
	Set the perceptual weight.
void	SetParent (int p)
	Set the parent index.
void	SetDepth (int d)
	Set the subband depth.
void	SetMax (int m)
	Set the index of the maximum bit of the largest coefficient.
void	SetChildren (std::vector< int > &clist)
	Set the indices of the children of the subband.
void	AddChild (int c)
	Add a child to the list of child subbands.

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Detailed Description

Class encapsulating all the metadata relating to a wavelet subband.

Definition at line 55 of file wavelet_utils.h.

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Constructor & Destructor Documentation

Subband::Subband (  int  xpos, int  ypos, int  xlen, int  ylen )

Constructor. The constructor parameters are Parameters: xpos  the xposition of the subband when packed into a big array with all the others ypos  the xposition of the subband xlen  the width of the subband ylen  the height of the subband Definition at line 52 of file wavelet_utils.cpp.

Subband::Subband (  int  xpos, int  ypos, int  xlen, int  ylen, int  d )

Constructor. The constructor parameters are Parameters: xpos  the xposition of the subband when packed into a big array with all the others ypos  the xposition of the subband xlen  the width of the subband ylen  the height of the subband d  the depth of the subband in the wavelet transform Definition at line 64 of file wavelet_utils.cpp.

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

• C:/guliverkli/src/filters/parser/diracsplitter/libdirac/libdirac_common/wavelet_utils.h
• C:/guliverkli/src/filters/parser/diracsplitter/libdirac/libdirac_common/wavelet_utils.cpp

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