/** Returns a copy of the current object. */
public DecoderSpecs getCopy() {
DecoderSpecs decSpec2;
try {
decSpec2 = (DecoderSpecs) this.clone();
} catch (CloneNotSupportedException e) {
throw new Error("Cannot clone the DecoderSpecs instance");
}
// Quantization
decSpec2.qts = (QuantTypeSpec) qts.getCopy();
decSpec2.qsss = (QuantStepSizeSpec) qsss.getCopy();
decSpec2.gbs = (GuardBitsSpec) gbs.getCopy();
// Wavelet transform
decSpec2.wfs = (SynWTFilterSpec) wfs.getCopy();
decSpec2.dls = (IntegerSpec) dls.getCopy();
// Component transformation
decSpec2.cts = (CompTransfSpec) cts.getCopy();
// ROI
if (rois != null) {
decSpec2.rois = (MaxShiftSpec) rois.getCopy();
}
return decSpec2;
}
/**
* Returns true if given tile-component uses derived quantization step sizes.
*
* @param t Tile index
* @param c Component index
* @return True if derived
*/
public boolean isDerived(int t, int c) {
return qts.isDerived(t, c);
}
/**
* Returns true if the quantized data is reversible, for the specified tile-component. For the
* quantized data to be reversible it is necessary and sufficient that the quantization is
* reversible.
*
* @param t The tile to test for reversibility
* @param c The component to test for reversibility
* @return True if the quantized data is reversible, false if not.
*/
public boolean isReversible(int t, int c) {
return qts.isReversible(t, c);
}