| /* |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.afp.modca; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.apache.fop.afp.util.BinaryUtils; |
| |
| /** |
| * The Include Page Segment structured field references a page segment resource |
| * object that is to be presented on the page or overlay presentation space. The IPS |
| * specifies a reference point on the including page or overlay coordinate system that |
| * may be used to position objects contained in the page segment. A page segment |
| * can be referenced at any time during page or overlay state, but not during an |
| * object state. The page segment inherits the active environment group definition of |
| * the including page or overlay. |
| * |
| * Note : No use for Triplets. |
| * |
| * A 'real' example for where this will be used is for |
| * the dynamic placing of overlay objects, such as signatures |
| * that may have to be placed at different positions on a document. |
| * |
| */ |
| public class IncludePageSegment extends AbstractNamedAFPObject { |
| |
| /** |
| * The x position where we need to put this object on the page |
| */ |
| private int x; |
| |
| /** |
| * The y position where we need to put this object on the page |
| */ |
| private int y; |
| |
| /** |
| * Constructor for the Include Page Segment |
| * |
| * @param name Name of the page segment |
| * @param x The x position |
| * @param y The y position |
| */ |
| public IncludePageSegment(String name, int x, int y) { |
| super(name); |
| |
| this.x = x; |
| this.y = y; |
| } |
| |
| /** {@inheritDoc} */ |
| public void writeToStream(OutputStream os) throws IOException { |
| byte[] data = new byte[23]; //(9 +14) |
| copySF(data, Type.INCLUDE, Category.PAGE_SEGMENT); |
| |
| // Set the total record length |
| byte[] len = BinaryUtils.convert(22, 2); //Ignore first byte |
| data[1] = len[0]; |
| data[2] = len[1]; |
| |
| byte[] xPos = BinaryUtils.convert(x, 3); |
| data[17] = xPos[0]; // x coordinate |
| data[18] = xPos[1]; |
| data[19] = xPos[2]; |
| |
| byte[] yPos = BinaryUtils.convert(y, 3); |
| data[20] = yPos[0]; // y coordinate |
| data[21] = yPos[1]; |
| data[22] = yPos[2]; |
| |
| os.write(data); |
| } |
| } |