org.apache.fop.afp.modca.ContainerDataDescriptor Maven / Gradle / Ivy
/*
* 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: ContainerDataDescriptor.java 829057 2009-10-23 13:33:18Z jeremias $ */
package org.apache.fop.afp.modca;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.fop.afp.util.BinaryUtils;
/**
* Container data descriptor (to maintain compatibility with pre-year 2000 applications)
*/
public class ContainerDataDescriptor extends AbstractDescriptor {
/**
* Main constructor
*
* @param width the container data width
* @param height the container data height
* @param widthRes the container width resolution
* @param heightRes the container height resolution
*/
public ContainerDataDescriptor(int width, int height, int widthRes,
int heightRes) {
super(width, height, widthRes, heightRes);
}
/** {@inheritDoc} */
public void writeToStream(OutputStream os) throws IOException {
byte[] data = new byte[21];
copySF(data, Type.DESCRIPTOR, Category.OBJECT_CONTAINER);
// SF length
byte[] len = BinaryUtils.convert(data.length - 1, 2);
data[1] = len[0];
data[2] = len[1];
// XocBase = 10 inches
data[9] = 0x00;
// YocBase = 10 inches
data[10] = 0x00;
// XocUnits
byte[] xdpi = BinaryUtils.convert(widthRes * 10, 2);
data[11] = xdpi[0];
data[12] = xdpi[1];
// YocUnits
byte[] ydpi = BinaryUtils.convert(heightRes * 10, 2);
data[13] = ydpi[0];
data[14] = ydpi[1];
// XocSize
byte[] xsize = BinaryUtils.convert(width, 3);
data[15] = xsize[0];
data[16] = xsize[1];
data[17] = xsize[2];
// YocSize
byte[] ysize = BinaryUtils.convert(height, 3);
data[18] = ysize[0];
data[19] = ysize[1];
data[20] = ysize[2];
os.write(data);
}
}