boofcv.struct.wavelet.WlBorderCoefFixed Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2020, Peter Abeles. All Rights Reserved.
*
* This file is part of BoofCV (http://boofcv.org).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package boofcv.struct.wavelet;
/**
* Precomputed border coefficients up to the specified depth.
*
* @author Peter Abeles
*/
@SuppressWarnings({"unchecked"})
public class WlBorderCoefFixed implements WlBorderCoef {
// coefficients for the lower border
public T[] lowerCoef;
// coefficients for the upper border
// index 0 corresponds to the upper border and high indexes move away
public T[] upperCoef;
T innerCoef;
public WlBorderCoefFixed( int numLower, int numUpper ) {
lowerCoef = (T[])new WlCoef[numLower];
upperCoef = (T[])new WlCoef[numUpper];
}
public void setInnerCoef( T innerCoef ) {
this.innerCoef = innerCoef;
}
public T getLower( int index ) {
return lowerCoef[index];
}
public T getUpper( int index ) {
return upperCoef[index];
}
public void setLower( int index, T coef ) {
lowerCoef[index] = coef;
}
public void setUpper( int index, T coef ) {
upperCoef[index] = coef;
}
@Override
public int getLowerLength() {
return lowerCoef.length;
}
@Override
public int getUpperLength() {
return upperCoef.length;
}
@Override
public T getBorderCoefficients( int index ) {
if (index >= 0) {
int i = index/2;
if (i < lowerCoef.length)
return lowerCoef[i];
else
return innerCoef;
} else {
index = -index/2 - 1;
if (index < upperCoef.length)
return upperCoef[index];
else
return innerCoef;
}
}
@Override
public T getInnerCoefficients() {
return innerCoef;
}
}