| /* |
| * 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 Ilya S. Okomin |
| * @version $Revision$ |
| */ |
| |
| package java.awt.font; |
| |
| import java.awt.geom.AffineTransform; |
| import java.io.Serializable; |
| |
| import org.apache.harmony.awt.internal.nls.Messages; |
| |
| /** |
| * The TransformAttribute class is a wrapper for the AffineTransform class in |
| * order to use it as attribute. |
| * |
| * @since Android 1.0 |
| */ |
| public final class TransformAttribute implements Serializable { |
| |
| /** |
| * The Constant serialVersionUID. |
| */ |
| private static final long serialVersionUID = 3356247357827709530L; |
| |
| // affine transform of this TransformAttribute instance |
| /** |
| * The transform. |
| */ |
| private AffineTransform fTransform; |
| |
| /** |
| * Instantiates a new TransformAttribute from the specified AffineTransform. |
| * |
| * @param transform |
| * the AffineTransform to be wrapped. |
| */ |
| public TransformAttribute(AffineTransform transform) { |
| if (transform == null) { |
| // awt.94=transform can not be null |
| throw new IllegalArgumentException(Messages.getString("awt.94")); //$NON-NLS-1$ |
| } |
| if (!transform.isIdentity()) { |
| this.fTransform = new AffineTransform(transform); |
| } |
| } |
| |
| /** |
| * Gets the initial AffineTransform which is wrapped. |
| * |
| * @return the initial AffineTransform which is wrapped. |
| */ |
| public AffineTransform getTransform() { |
| if (fTransform != null) { |
| return new AffineTransform(fTransform); |
| } |
| return new AffineTransform(); |
| } |
| |
| /** |
| * Checks if this transform is an identity transform. |
| * |
| * @return true, if this transform is an identity transform, false |
| * otherwise. |
| */ |
| public boolean isIdentity() { |
| return (fTransform == null); |
| } |
| |
| } |