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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.AFPDataObjectInfo;
import org.apache.fop.afp.AFPObjectAreaInfo;
import org.apache.fop.afp.AFPResourceInfo;
import org.apache.fop.afp.AFPResourceLevel;
import org.apache.fop.afp.Completable;
import org.apache.fop.afp.Factory;
import org.apache.fop.afp.Startable;
/**
* Abstract base class used by the ImageObject and GraphicsObject which both
* have define an ObjectEnvironmentGroup
*/
public abstract class AbstractDataObject extends AbstractNamedAFPObject
implements Startable, Completable {
/** the object environment group */
protected ObjectEnvironmentGroup objectEnvironmentGroup = null;
/** the object factory */
protected final Factory factory;
/** the completion status of this object */
private boolean complete;
/** the starting status of this object */
private boolean started;
/**
* Named constructor
*
* @param factory the object factory
* @param name data object name
*/
public AbstractDataObject(Factory factory, String name) {
super(name);
this.factory = factory;
}
/**
* Sets the object view port (area position and size).
*
* @param dataObjectInfo
* the object area info
*/
public void setViewport(AFPDataObjectInfo dataObjectInfo) {
AFPObjectAreaInfo objectAreaInfo = dataObjectInfo.getObjectAreaInfo();
// object area descriptor
int width = objectAreaInfo.getWidth();
int height = objectAreaInfo.getHeight();
int widthRes = objectAreaInfo.getWidthRes();
int heightRes = objectAreaInfo.getHeightRes();
ObjectAreaDescriptor objectAreaDescriptor
= factory.createObjectAreaDescriptor(width, height, widthRes, heightRes);
getObjectEnvironmentGroup().setObjectAreaDescriptor(objectAreaDescriptor);
// object area position
AFPResourceInfo resourceInfo = dataObjectInfo.getResourceInfo();
AFPResourceLevel resourceLevel = resourceInfo.getLevel();
ObjectAreaPosition objectAreaPosition = null;
int rotation = objectAreaInfo.getRotation();
if (resourceLevel.isInline()) {
int x = objectAreaInfo.getX();
int y = objectAreaInfo.getY();
objectAreaPosition = factory.createObjectAreaPosition(x, y, rotation);
} else {
// positional values are specified in the oaOffset of the include object
objectAreaPosition = factory.createObjectAreaPosition(0, 0, rotation);
}
objectAreaPosition.setReferenceCoordinateSystem(
ObjectAreaPosition.REFCSYS_PAGE_SEGMENT_RELATIVE);
getObjectEnvironmentGroup().setObjectAreaPosition(objectAreaPosition);
}
/**
* Gets the ObjectEnvironmentGroup
*
* @return the object environment group
*/
public ObjectEnvironmentGroup getObjectEnvironmentGroup() {
if (objectEnvironmentGroup == null) {
this.objectEnvironmentGroup = factory.createObjectEnvironmentGroup();
}
return objectEnvironmentGroup;
}
/** {@inheritDoc} */
protected void writeStart(OutputStream os) throws IOException {
setStarted(true);
}
/** {@inheritDoc} */
protected void writeContent(OutputStream os) throws IOException {
writeTriplets(os);
if (objectEnvironmentGroup != null) {
objectEnvironmentGroup.writeToStream(os);
}
}
/** {@inheritDoc} */
public void setStarted(boolean started) {
this.started = started;
}
/** {@inheritDoc} */
public boolean isStarted() {
return this.started;
}
/** {@inheritDoc} */
public void setComplete(boolean complete) {
this.complete = complete;
}
/** {@inheritDoc} */
public boolean isComplete() {
return this.complete;
}
}
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