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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.modca.triplets.DescriptorPositionTriplet;
- import org.apache.fop.afp.modca.triplets.MeasurementUnitsTriplet;
- import org.apache.fop.afp.modca.triplets.ObjectAreaSizeTriplet;
- import org.apache.fop.afp.util.BinaryUtils;
-
- /**
- * The Object Area Descriptor structured field specifies the size and attributes
- * of an object area presentation space.
- */
- public class ObjectAreaDescriptor extends AbstractDescriptor {
-
- /**
- * Construct an object area descriptor for the specified object width
- * and object height.
- *
- * @param width the object width.
- * @param height the object height.
- * @param widthRes the object width resolution.
- * @param heightRes the object height resolution.
- */
- public ObjectAreaDescriptor(int width, int height, int widthRes, int heightRes) {
- super(width, height, widthRes, heightRes);
- }
-
- private static final byte OBJECT_AREA_POSITION_ID = 0x01;
-
- /** {@inheritDoc} */
- public void writeToStream(OutputStream os) throws IOException {
- byte[] data = new byte[9];
- copySF(data, Type.DESCRIPTOR, Category.OBJECT_AREA);
-
- addTriplet(new DescriptorPositionTriplet(OBJECT_AREA_POSITION_ID));
- addTriplet(new MeasurementUnitsTriplet(widthRes, heightRes));
- addTriplet(new ObjectAreaSizeTriplet(width, height));
- /* not allowed in Presentation Interchange Set 1
- addTriplet(new PresentationSpaceResetMixingTriplet(
- PresentationSpaceResetMixingTriplet.NOT_RESET));
- */
-
- int tripletDataLength = getTripletDataLength();
- byte[] len = BinaryUtils.convert(data.length + tripletDataLength - 1, 2);
- data[1] = len[0]; // Length
- data[2] = len[1];
- os.write(data);
-
- writeTriplets(os);
- }
-
- }
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