| /* |
| |
| 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. |
| |
| */ |
| package org.apache.batik.gvt.text; |
| |
| import java.awt.geom.GeneralPath; |
| import java.awt.geom.Point2D; |
| |
| import org.apache.batik.ext.awt.geom.PathLength; |
| |
| /** |
| * A text path describes a path along which some text will be rendered. |
| * |
| * @author <a href="mailto:bella.robinson@cmis.csiro.au">Bella Robinson</a> |
| * @version $Id$ |
| */ |
| public class TextPath { |
| |
| private PathLength pathLength; |
| private float startOffset; |
| |
| /** |
| * Constructs a TextPath based on the specified path. |
| * |
| * @param path The general path along which text is to be laid. |
| */ |
| public TextPath(GeneralPath path) { |
| pathLength = new PathLength(path); |
| startOffset = 0; |
| } |
| |
| /** |
| * Sets the offset along the path where the first glyph should be rendered. |
| * |
| * @param startOffset An offset from the start of the path. |
| */ |
| public void setStartOffset(float startOffset) { |
| this.startOffset = startOffset; |
| } |
| |
| /** |
| * Returns the start offset of this text path. |
| * |
| * @return The start offset of this text path. |
| */ |
| public float getStartOffset() { |
| return startOffset; |
| } |
| |
| /** |
| * Returns the total length of the path. |
| * |
| * @return The lenght of the path. |
| */ |
| public float lengthOfPath() { |
| return pathLength.lengthOfPath(); |
| } |
| |
| /** |
| * Returns the angle at the specified length |
| * along the path. |
| * |
| * @param length The length along the path. |
| * @return The angle. |
| */ |
| public float angleAtLength(float length) { |
| return pathLength.angleAtLength(length); |
| } |
| |
| /** |
| * Returns the point that is at the specified length |
| * along the path. |
| * |
| * @param length The length along the path. |
| * @return The point. |
| */ |
| public Point2D pointAtLength(float length) { |
| return pathLength.pointAtLength(length); |
| } |
| } |