| /* |
| * 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.triplets; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.apache.fop.afp.util.BinaryUtils; |
| |
| /** |
| * The Measurement Units triplet is used to specify the units of measure |
| * for a presentation space |
| */ |
| public class MeasurementUnitsTriplet extends AbstractTriplet { |
| |
| private static final byte TEN_INCHES = 0x00; |
| private static final byte TEN_CM = 0x01; |
| private final int xRes; |
| private final int yRes; |
| |
| /** |
| * Main constructor |
| * |
| * @param xRes units per base on the x-axis |
| * @param yRes units per base on the y-axis |
| */ |
| public MeasurementUnitsTriplet(int xRes, int yRes) { |
| super(MEASUREMENT_UNITS); |
| this.xRes = xRes; |
| this.yRes = yRes; |
| } |
| |
| /** {@inheritDoc} */ |
| public int getDataLength() { |
| return 8; |
| } |
| |
| /** {@inheritDoc} */ |
| public void writeToStream(OutputStream os) throws IOException { |
| byte[] data = getData(); |
| |
| data[2] = TEN_INCHES; // XoaBase |
| data[3] = TEN_INCHES; // YoaBase |
| |
| byte[] xUnits = BinaryUtils.convert(xRes * 10, 2); |
| data[4] = xUnits[0]; // XoaUnits (x units per unit base) |
| data[5] = xUnits[1]; |
| |
| byte[] yUnits = BinaryUtils.convert(yRes * 10, 2); |
| data[6] = yUnits[0]; // YoaUnits (y units per unit base) |
| data[7] = yUnits[1]; |
| |
| os.write(data); |
| } |
| } |