/*
* JAME 6.2.1
* http://jame.sourceforge.net
*
* Copyright 2001, 2016 Andrea Medeghini
*
* This file is part of JAME.
*
* JAME is an application for creating fractals and other graphics artifacts.
*
* JAME is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JAME 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with JAME. If not, see <http://www.gnu.org/licenses/>.
*
*/
package net.sf.jame.mandelbrot.extensions.processingFormula.distance;
import net.sf.jame.mandelbrot.processingFormula.extension.ProcessingFormulaExtensionRuntime;
import net.sf.jame.mandelbrot.renderer.RenderedPoint;
/**
* @author Andrea Medeghini
*/
public class MinimumFormulaRuntime extends ProcessingFormulaExtensionRuntime {
private double value;
private double dr;
private double di;
private double m;
/**
* @see net.sf.jame.mandelbrot.processingFormula.extension.ProcessingFormulaExtensionRuntime#prepareForProcessing()
*/
@Override
public void prepareForProcessing() {
value = Double.MAX_VALUE;
dr = 0;
di = 0;
}
/**
* @see net.sf.jame.mandelbrot.processingFormula.extension.ProcessingFormulaExtensionRuntime#processPoint(net.sf.jame.mandelbrot.renderer.RenderedPoint)
*/
@Override
public void processPoint(final RenderedPoint cp) {
m = cp.dr * cp.dr + cp.di * cp.di;
if (m < value) {
value = m;
dr = cp.dr;
di = cp.di;
}
}
/**
* @see net.sf.jame.mandelbrot.processingFormula.extension.ProcessingFormulaExtensionRuntime#renderPoint(net.sf.jame.mandelbrot.renderer.RenderedPoint)
*/
@Override
public void renderPoint(final RenderedPoint cp) {
cp.tr = dr;
cp.ti = di;
}
}