jj2000.j2k.wavelet.synthesis
Class SynWTFilterSpec

java.lang.Object
  |
  +--jj2000.j2k.ModuleSpec
        |
        +--jj2000.j2k.wavelet.synthesis.SynWTFilterSpec

public class SynWTFilterSpec
extends ModuleSpec

This class extends ModuleSpec class for synthesis filters specification holding purpose.

See Also:
ModuleSpec

Fields inherited from class jj2000.j2k.ModuleSpec
compDef, def, nComp, nTiles, SPEC_COMP_DEF, SPEC_DEF, SPEC_TILE_COMP, SPEC_TILE_DEF, SPEC_TYPE_COMP, SPEC_TYPE_TILE, SPEC_TYPE_TILE_COMP, specType, specValType, tileCompVal, tileDef
 
Constructor Summary
SynWTFilterSpec(int nt, int nc, byte type)
          Constructs a new 'SynWTFilterSpec' for the specified number of components and tiles.
 
Method Summary
 SynWTFilter[] getHFilters(int t, int c)
          Returns the horizontal analysis filters to be used in component 'n' and tile 't'.
 SynWTFilter[] getVFilters(int t, int c)
          Returns the vertical analysis filters to be used in component 'n' and tile 't'.
 int getWTDataType(int t, int c)
          Returns the data type used by the filters in this object, as defined in the 'DataBlk' interface for specified tile-component.
 boolean isReversible(int t, int c)
          Check the reversibility of filters contained is the given tile-component.
 java.lang.String toString()
          Debugging method
 
Methods inherited from class jj2000.j2k.ModuleSpec
getCompDef, getCompDefRep, getDefault, getDefRep, getSpec, getSpecValType, getTileCompVal, getTileDef, getTileDefRep, isCompSpecified, isTileCompSpecified, isTileSpecified, parseIdx, setCompDef, setDefault, setTileCompVal, setTileDef
 
Methods inherited from class java.lang.Object
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, wait, wait, wait
 

Constructor Detail

SynWTFilterSpec

public SynWTFilterSpec(int nt,
                       int nc,
                       byte type)
Constructs a new 'SynWTFilterSpec' for the specified number of components and tiles.
Parameters:
nt - The number of tiles
nc - The number of components
type - the type of the specification module i.e. tile specific, component specific or both.
Method Detail

getWTDataType

public int getWTDataType(int t,
                         int c)
Returns the data type used by the filters in this object, as defined in the 'DataBlk' interface for specified tile-component.
Parameters:
t - Tile index
c - Component index
Returns:
The data type of the filters in this object
See Also:
DataBlk

getHFilters

public SynWTFilter[] getHFilters(int t,
                                 int c)
Returns the horizontal analysis filters to be used in component 'n' and tile 't'.

The horizontal analysis filters are returned in an array of SynWTFilter. Each element contains the horizontal filter for each resolution level starting with resolution level 1 (i.e. the analysis filter to go from resolution level 1 to resolution level 0). If there are less elements than the maximum resolution level, then the last element is assumed to be repeated.

Parameters:
t - The tile index, in raster scan order
c - The component index.
Returns:
The array of horizontal analysis filters for component 'n' and tile 't'.

getVFilters

public SynWTFilter[] getVFilters(int t,
                                 int c)
Returns the vertical analysis filters to be used in component 'n' and tile 't'.

The vertical analysis filters are returned in an array of SynWTFilter. Each element contains the vertical filter for each resolution level starting with resolution level 1 (i.e. the analysis filter to go from resolution level 1 to resolution level 0). If there are less elements than the maximum resolution level, then the last element is assumed to be repeated.

Parameters:
t - The tile index, in raster scan order
c - The component index.
Returns:
The array of horizontal analysis filters for component 'n' and tile 't'.

toString

public java.lang.String toString()
Debugging method
Overrides:
toString in class java.lang.Object

isReversible

public boolean isReversible(int t,
                            int c)
Check the reversibility of filters contained is the given tile-component.
Parameters:
t - The index of the tile
c - The index of the component