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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Dmitry A. Durnev
* @version $Revision$
*/
package java.awt;
import java.io.Serializable;
import org.apache.harmony.misc.HashCode;
/**
* The Insets class represents the borders of a container. This class describes
* the space that a container should leave at each edge: the top, the bottom,
* the right side, and the left side. The space can be filled with a border, a
* blank space, or a title.
*
* @since Android 1.0
*/
public class Insets implements Cloneable, Serializable {
/**
* The Constant serialVersionUID.
*/
private static final long serialVersionUID = -2272572637695466749L;
/**
* The top inset indicates the size of the space added to the top of the
* rectangle.
*/
public int top;
/**
* The left inset indicates the size of the space added to the left side of
* the rectangle.
*/
public int left;
/**
* The bottom inset indicates the size of the space subtracted from the
* bottom of the rectangle.
*/
public int bottom;
/**
* The right inset indicates the size of the space subtracted from the right
* side of the rectangle.
*/
public int right;
/**
* Instantiates a new Inset object with the specified top, left, bottom,
* right parameters.
*
* @param top
* the top inset.
* @param left
* the left inset.
* @param bottom
* the bottom inset.
* @param right
* the right inset.
*/
public Insets(int top, int left, int bottom, int right) {
setValues(top, left, bottom, right);
}
/**
* Returns a hash code of the Insets object.
*
* @return a hash code of the Insets object.
*/
@Override
public int hashCode() {
int hashCode = HashCode.EMPTY_HASH_CODE;
hashCode = HashCode.combine(hashCode, top);
hashCode = HashCode.combine(hashCode, left);
hashCode = HashCode.combine(hashCode, bottom);
hashCode = HashCode.combine(hashCode, right);
return hashCode;
}
/**
* Returns a copy of this Insets object.
*
* @return a copy of this Insets object.
*/
@Override
public Object clone() {
return new Insets(top, left, bottom, right);
}
/**
* Checks if this Insets object is equal to the specified object.
*
* @param o
* the Object to be compared.
* @return true, if the object is an Insets object whose data values are
* equal to those of this object, false otherwise.
*/
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if (o instanceof Insets) {
Insets i = (Insets)o;
return ((i.left == left) && (i.bottom == bottom) && (i.right == right) && (i.top == top));
}
return false;
}
/**
* Returns a String representation of this Insets object.
*
* @return a String representation of this Insets object.
*/
@Override
public String toString() {
/*
* The format is based on 1.5 release behavior which can be revealed by
* the following code: System.out.println(new Insets(1, 2, 3, 4));
*/
return (getClass().getName() + "[left=" + left + ",top=" + top + //$NON-NLS-1$ //$NON-NLS-2$
",right=" + right + ",bottom=" + bottom + "]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
/**
* Sets top, left, bottom, and right insets to the specified values.
*
* @param top
* the top inset.
* @param left
* the left inset.
* @param bottom
* the bottom inset.
* @param right
* the right inset.
*/
public void set(int top, int left, int bottom, int right) {
setValues(top, left, bottom, right);
}
/**
* Sets the values.
*
* @param top
* the top.
* @param left
* the left.
* @param bottom
* the bottom.
* @param right
* the right.
*/
private void setValues(int top, int left, int bottom, int right) {
this.top = top;
this.left = left;
this.bottom = bottom;
this.right = right;
}
}
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