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- /*
- * 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;
-
- /**
- * ImageDataDescriptor
- */
- public class ImageDataDescriptor extends AbstractDescriptor {
-
- /**
- * Constructor for a ImageDataDescriptor for the specified
- * resolution, width and height.
- *
- * @param width The width of the image.
- * @param height The height of the height.
- * @param widthRes The horizontal resolution of the image.
- * @param heightRes The vertical resolution of the image.
- */
- public ImageDataDescriptor(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[22];
- copySF(data, Type.DESCRIPTOR, Category.IMAGE);
-
- // SF length
- byte[] len = BinaryUtils.convert(data.length - 1, 2);
- data[1] = len[0];
- data[2] = len[1];
-
- byte[] x = BinaryUtils.convert(widthRes, 2);
- data[10] = x[0];
- data[11] = x[1];
-
- byte[] y = BinaryUtils.convert(heightRes, 2);
- data[12] = y[0];
- data[13] = y[1];
-
- byte[] w = BinaryUtils.convert(width, 2);
- data[14] = w[0];
- data[15] = w[1];
-
- byte[] h = BinaryUtils.convert(height, 2);
- data[16] = h[0];
- data[17] = h[1];
-
- data[18] = (byte)0xF7; // ID = Set IOCA Function Set
- data[19] = 0x02; // Length
- data[20] = 0x01; // Category = Function set identifier
- data[21] = 0x0B; // FCNSET = IOCA FS 11
-
- os.write(data);
- }
- }
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