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- /*
- * $Id: Viewport.java,v 1.7 2003/03/05 16:45:42 jeremias Exp $
- * ============================================================================
- * The Apache Software License, Version 1.1
- * ============================================================================
- *
- * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modifica-
- * tion, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. The end-user documentation included with the redistribution, if any, must
- * include the following acknowledgment: "This product includes software
- * developed by the Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself, if
- * and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "FOP" and "Apache Software Foundation" must not be used to
- * endorse or promote products derived from this software without prior
- * written permission. For written permission, please contact
- * apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache", nor may
- * "Apache" appear in their name, without prior written permission of the
- * Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
- * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * ============================================================================
- *
- * This software consists of voluntary contributions made by many individuals
- * on behalf of the Apache Software Foundation and was originally created by
- * James Tauber <jtauber@jtauber.com>. For more information on the Apache
- * Software Foundation, please see <http://www.apache.org/>.
- */
- package org.apache.fop.area.inline;
-
- import org.apache.fop.area.Area;
- import org.apache.fop.render.Renderer;
-
- 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;
- }
-
- /**
- * Render this inline area.
- *
- * @param renderer the renderer to render this inline area
- */
- public void render(Renderer renderer) {
- renderer.renderViewport(this);
- }
-
- 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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