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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.area.inline;
import org.apache.fop.area.Area;
import java.io.IOException;
import java.awt.geom.Rectangle2D;
import java.util.HashMap;
/**
* Inline viewport area.
* This is an inline-level viewport area for inline container,
* external graphic and instream foreign object. This viewport
* holds the area and positions it.
*/
public class Viewport extends InlineArea {
// contents could be container, foreign object or image
private Area content;
// clipping for the viewport
private boolean clip = false;
// position of the child area relative to this area
private Rectangle2D contentPosition;
/**
* Create a new viewport area with the content area.
*
* @param child the child content area of this viewport
*/
public Viewport(Area child) {
this.content = child;
}
/**
* Set the clip of this viewport.
*
* @param c true if this viewport should clip
*/
public void setClip(boolean c) {
this.clip = c;
}
/**
* Get the clip of this viewport.
*
* @return true if this viewport should clip
*/
public boolean getClip() {
return this.clip;
}
/**
* Set the position and size of the content of this viewport.
*
* @param cp the position and size to place the content
*/
public void setContentPosition(Rectangle2D cp) {
this.contentPosition = cp;
}
/**
* Get the position and size of the content of this viewport.
*
* @return the position and size to place the content
*/
public Rectangle2D getContentPosition() {
return this.contentPosition;
}
/**
* Sets the content area.
* @param content the content area
*/
public void setContent(Area content) {
this.content = content;
}
/**
* Get the content area for this viewport.
*
* @return the content area
*/
public Area getContent() {
return this.content;
}
private void writeObject(java.io.ObjectOutputStream out)
throws IOException {
out.writeBoolean(contentPosition != null);
if (contentPosition != null) {
out.writeFloat((float) contentPosition.getX());
out.writeFloat((float) contentPosition.getY());
out.writeFloat((float) contentPosition.getWidth());
out.writeFloat((float) contentPosition.getHeight());
}
out.writeBoolean(clip);
out.writeObject(props);
out.writeObject(content);
}
private void readObject(java.io.ObjectInputStream in)
throws IOException, ClassNotFoundException {
if (in.readBoolean()) {
contentPosition = new Rectangle2D.Float(in.readFloat(),
in.readFloat(),
in.readFloat(),
in.readFloat());
}
this.clip = in.readBoolean();
this.props = (HashMap) in.readObject();
this.content = (Area) in.readObject();
}
}
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