/*
JWildfire - an image and animation processor written in Java
Copyright (C) 1995-2014 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.create.tina.randomgradient;
import java.util.ArrayList;
import java.util.List;
import org.jwildfire.base.Tools;
import org.jwildfire.create.tina.palette.RGBColor;
public class SmoothRandomGradientGenerator extends RandomGradientGenerator {
@Override
public String getName() {
return "Smooth";
}
@Override
public List<RGBColor> generateKeyFrames(int pKeyFrameCount) {
List<RGBColor> keyFrames = new ArrayList<RGBColor>();
int lastR = 0, lastG = 0, lastB = 0;
int r, g, b;
for (int i = 0; i < pKeyFrameCount; i++) {
while (true) {
r = Tools.roundColor(256.0 * Math.random());
g = Tools.roundColor(256.0 * Math.random());
b = Tools.roundColor(256.0 * Math.random());
double diff = Math.abs(r - lastR) * 0.299 + Math.abs(g - lastG) * 0.588 + Math.abs(b - lastB) * 0.1130;
if (diff > 66)
break;
}
RGBColor col = new RGBColor(r, g, b);
lastR = r;
lastG = g;
lastB = b;
keyFrames.add(col);
}
return keyFrames;
}
}