/*
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.max;
import static org.jwildfire.base.mathlib.MathLib.min;
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 PreCropFunc extends VariationFunc {
private static final long serialVersionUID = 1L;
private static final String PARAM_LEFT = "left";
private static final String PARAM_RIGHT = "right";
private static final String PARAM_TOP = "top";
private static final String PARAM_BOTTOM = "bottom";
private static final String PARAM_SCATTER_AREA = "scatter_area";
private static final String PARAM_ZERO = "zero";
private static final String[] paramNames = { PARAM_LEFT, PARAM_RIGHT, PARAM_TOP, PARAM_BOTTOM, PARAM_SCATTER_AREA, PARAM_ZERO };
private double left = -1.0;
private double top = -1.0;
private double right = 1.0;
private double bottom = 1.0;
private double scatter_area = 0.0;
private int zero = 0;
@Override
public void transform(FlameTransformationContext pContext, XForm pXForm, XYZPoint pAffineTP, XYZPoint pVarTP, double pAmount) {
// pre_crop by Xyrus02, http://xyrus02.deviantart.com/art/Crop-Plugin-Updated-169958881
double x = pAffineTP.x;
double y = pAffineTP.y;
if (((x < xmin) || (x > xmax) || (y < ymin) || (y > ymax)) && (zero != 0)) {
pAffineTP.x = pAffineTP.y = 0;
pAffineTP.doHide = true;
return;
}
else {
pAffineTP.doHide = false;
if (x < xmin)
x = xmin + pContext.random() * w;
else if (x > xmax)
x = xmax - pContext.random() * w;
if (y < ymin)
y = ymin + pContext.random() * h;
else if (y > ymax)
y = ymax - pContext.random() * h;
}
pAffineTP.x = pAmount * x;
pAffineTP.y = pAmount * y;
}
@Override
public String[] getParameterNames() {
return paramNames;
}
@Override
public Object[] getParameterValues() {
return new Object[] { left, right, top, bottom, scatter_area, zero };
}
@Override
public void setParameter(String pName, double pValue) {
if (PARAM_LEFT.equalsIgnoreCase(pName))
left = pValue;
else if (PARAM_RIGHT.equalsIgnoreCase(pName))
right = pValue;
else if (PARAM_TOP.equalsIgnoreCase(pName))
top = pValue;
else if (PARAM_BOTTOM.equalsIgnoreCase(pName))
bottom = pValue;
else if (PARAM_SCATTER_AREA.equalsIgnoreCase(pName))
scatter_area = limitVal(pValue, -1.0, 1.0);
else if (PARAM_ZERO.equalsIgnoreCase(pName))
zero = limitIntVal(Tools.FTOI(pValue), 0, 1);
else
throw new IllegalArgumentException(pName);
}
@Override
public String getName() {
return "pre_crop";
}
private double xmin, xmax, ymin, ymax, w, h;
@Override
public void init(FlameTransformationContext pContext, Layer pLayer, XForm pXForm, double pAmount) {
xmin = min(left, right);
ymin = min(top, bottom);
xmax = max(left, right);
ymax = max(top, bottom);
w = (xmax - xmin) * 0.5 * scatter_area;
h = (ymax - ymin) * 0.5 * scatter_area;
}
@Override
public int getPriority() {
return -1;
}
}