/*
* #%L
* org.gitools.ui.app
* %%
* Copyright (C) 2013 - 2014 Universitat Pompeu Fabra - Biomedical Genomics group
* %%
* This program 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.
*
* This program 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 this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #L%
*/
/* ===================================================
* JFreeSVG : an SVG library for the Java(tm) platform
* ===================================================
*
* (C)opyright 2013, 2014, by Object Refinery Limited. All rights reserved.
*
* Project Info: http://www.jfree.org/jfreesvg/index.html
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* If you do not wish to be bound by the terms of the AGPL, an alternative
* commercial license can be purchased. For details, please see visit the
* JFreeSVG home page:
*
* http://www.jfree.org/jfreesvg
*
*/
package org.gitools.ui.app.svg.jfreesvg;
import java.awt.*;
/**
* A wrapper for a <code>GradientPaint</code> that can be used as the key for
* a <code>Map</code> (including a <code>HashMap</code>). This class is used
* internally by <code>SVGGraphics2D</code> to track and re-use gradient
* definitions. <code>GradientPaint</code> itself does not implement the
* equals() and hashCode() methods, so it doesn't make a good key for a
* <code>Map</code>.
*/
public final class GradientPaintKey {
private final GradientPaint paint;
/**
* Creates a new instance based on the specified <code>paint</code>.
*
* @param paint the paint (<code>null</code> not permitted).
*/
public GradientPaintKey(GradientPaint paint) {
Args.nullNotPermitted(paint, "paint");
this.paint = paint;
}
/**
* Returns the <code>GradientPaint</code> that was supplied to the
* constructor.
*
* @return The <code>GradientPaint</code> (never <code>null</code>).
*/
public GradientPaint getPaint() {
return this.paint;
}
/**
* Checks this instance for equality with an arbitrary object.
*
* @param obj the object to test against (<code>null</code> permitted).
*
* @return A boolean.
*/
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof GradientPaintKey)) {
return false;
}
GradientPaintKey that = (GradientPaintKey) obj;
GradientPaint thisGP = this.paint;
GradientPaint thatGP = that.getPaint();
if (!thisGP.getColor1().equals(thatGP.getColor1())) {
return false;
}
if (!thisGP.getColor2().equals(thatGP.getColor2())) {
return false;
}
if (!thisGP.getPoint1().equals(thatGP.getPoint1())) {
return false;
}
if (!thisGP.getPoint2().equals(thatGP.getPoint2())) {
return false;
}
if (thisGP.getTransparency() != thatGP.getTransparency()) {
return false;
}
if (thisGP.isCyclic() != thatGP.isCyclic()) {
return false;
}
return true;
}
/**
* Returns a hash code for this instance.
*
* @return A hash code.
*/
@Override
public int hashCode() {
int hash = 5;
hash = 47 * hash + this.paint.getPoint1().hashCode();
hash = 47 * hash + this.paint.getPoint2().hashCode();
hash = 47 * hash + this.paint.getColor1().hashCode();
hash = 47 * hash + this.paint.getColor2().hashCode();
return hash;
}
}