/*
JWildfire - an image and animation processor written in Java
Copyright (C) 1995-2011 Andreas Maschke
This is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser
General Public License as published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this software;
if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jwildfire.envelope;
public class LinearInterpolation extends Interpolation {
@Override
public void interpolate() {
if (snum < 2)
throw new IllegalArgumentException(String.valueOf(snum));
dnum = snum * (subdiv + 5);
dest = new double[dnum];
int curr = 0;
for (int i = 0; i < (snum - 1); i++) {
double x0 = src[i];
double x1 = src[i + 1];
double dx = (x1 - x0) / (double) (subdiv - 1);
for (int j = 0; j < subdiv; j++) {
dest[curr++] = x0;
x0 += dx;
}
}
dnum = curr;
}
}