/*******************************************************************************
* Copyright (c) 2001-2005 Sasa Markovic and Ciaran Treanor.
* Copyright (c) 2011 The OpenNMS Group, Inc.
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
package org.jrobin.graph;
import org.jrobin.core.RrdException;
import org.jrobin.data.DataProcessor;
import java.awt.*;
class Stack extends SourcedPlotElement {
private final SourcedPlotElement parent;
Stack(SourcedPlotElement parent, String srcName, Paint color) {
super(srcName, color);
this.parent = parent;
}
void assignValues(DataProcessor dproc) throws RrdException {
double[] parentValues = parent.getValues();
double[] procValues = dproc.getValues(srcName);
values = new double[procValues.length];
for (int i = 0; i < values.length; i++) {
values[i] = parentValues[i] + procValues[i];
}
}
float getParentLineWidth() {
if (parent instanceof Line) {
return ((Line) parent).width;
}
else if (parent instanceof Area) {
return -1F;
}
else /* if(parent instanceof Stack) */ {
return ((Stack) parent).getParentLineWidth();
}
}
Paint getParentColor() {
return parent.color;
}
}