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Diffstat (limited to 'awt/java/awt/Insets.java')
-rw-r--r-- | awt/java/awt/Insets.java | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/awt/java/awt/Insets.java b/awt/java/awt/Insets.java new file mode 100644 index 0000000..61f3fd8 --- /dev/null +++ b/awt/java/awt/Insets.java @@ -0,0 +1,165 @@ +/* + * 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. + */ +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; + } +} + |