/*
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.create.tina.variation;
import static org.jwildfire.base.mathlib.MathLib.EPSILON;
import org.jwildfire.base.Tools;
import org.jwildfire.create.tina.base.Layer;
import org.jwildfire.create.tina.base.XForm;
import org.jwildfire.create.tina.base.XYZPoint;
public class PreDCZTranslFunc extends VariationFunc {
private static final long serialVersionUID = 1L;
private static final String PARAM_X0 = "x0";
private static final String PARAM_X1 = "x1";
private static final String PARAM_FACTOR = "factor";
private static final String PARAM_OVERWRITE = "overwrite";
private static final String PARAM_CLAMP = "clamp";
private static final String[] paramNames = { PARAM_X0, PARAM_X1, PARAM_FACTOR, PARAM_OVERWRITE, PARAM_CLAMP };
private double x0 = 0.0;
private double x1 = 1.0;
private double factor = 1.0;
private int overwrite = 1;
private int clamp = 0;
@Override
public void transform(FlameTransformationContext pContext, XForm pXForm, XYZPoint pAffineTP, XYZPoint pVarTP, double pAmount) {
/* pre_dcztransl by Xyrus02, http://xyrus02.deviantart.com/art/DC-ZTransl-plugins-for-Apo7X-210719008?q=gallery%3Afractal-resources%2F24660058&qo=32 */
double zf = factor * (pAffineTP.color - _x0) / _x1_m_x0;
if (clamp != 0)
zf = zf < 0 ? 0 : zf > 1 ? 1 : zf;
pAffineTP.x += pAmount * pAffineTP.x;
pAffineTP.y += pAmount * pAffineTP.y;
if (overwrite == 0)
pAffineTP.z += pAmount * pAffineTP.z * zf;
else
pAffineTP.z += pAmount * zf;
}
@Override
public String[] getParameterNames() {
return paramNames;
}
@Override
public Object[] getParameterValues() {
return new Object[] { x0, x1, factor, overwrite, clamp };
}
@Override
public void setParameter(String pName, double pValue) {
if (PARAM_X0.equalsIgnoreCase(pName))
x0 = limitVal(pValue, 0.0, 1.0);
else if (PARAM_X1.equalsIgnoreCase(pName))
x1 = limitVal(pValue, 0.0, 1.0);
else if (PARAM_FACTOR.equalsIgnoreCase(pName))
factor = pValue;
else if (PARAM_OVERWRITE.equalsIgnoreCase(pName))
overwrite = limitIntVal(Tools.FTOI(pValue), 0, 1);
else if (PARAM_CLAMP.equalsIgnoreCase(pName))
clamp = limitIntVal(Tools.FTOI(pValue), 0, 1);
else
throw new IllegalArgumentException(pName);
}
@Override
public String getName() {
return "pre_dcztransl";
}
private double _x0;
private double _x1;
private double _x1_m_x0;
@Override
public void init(FlameTransformationContext pContext, Layer pLayer, XForm pXForm, double pAmount) {
_x0 = x0 < x1 ? x0 : x1;
_x1 = x0 > x1 ? x0 : x1;
_x1_m_x0 = _x1 - _x0 == 0 ? EPSILON : _x1 - _x0;
}
@Override
public int getPriority() {
return -1;
}
}