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- /*
- * Copyright 1999-2004 The Apache Software Foundation.
- *
- * Licensed 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 cild 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) {
- content = child;
- }
-
- /**
- * Set the clip of this viewport.
- *
- * @param c true if this viewport should clip
- */
- public void setClip(boolean c) {
- clip = c;
- }
-
- /**
- * Get the clip of this viewport.
- *
- * @return true if this viewport should clip
- */
- public boolean getClip() {
- return 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) {
- 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 contentPosition;
- }
-
- /**
- * Get the content area for this viewport.
- *
- * @return the content area
- */
- public Area getContent() {
- return 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());
- }
- clip = in.readBoolean();
- props = (HashMap) in.readObject();
- content = (Area) in.readObject();
- }
-
- }
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