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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.svg;
-
- import java.awt.Graphics2D;
- import java.awt.Shape;
- import java.awt.geom.AffineTransform;
- import java.awt.geom.Rectangle2D;
- import java.util.StringTokenizer;
-
- import org.apache.batik.gvt.CompositeGraphicsNode;
-
- /**
- * <p>A graphics node that represents an image described as a graphics node.</p>
- *
- * <p>This work was authored by Keiron Liddle (keiron@aftexsw.com).</p>
- */
- public class PDFANode extends CompositeGraphicsNode {
- private String destination;
- private AffineTransform transform;
-
- /**
- * Constructs a new empty {@link PDFANode}.
- */
- public PDFANode() {
- }
-
- /**
- * Set the destination String.
- * @param dest the target destination
- */
- public void setDestination(String dest) {
- destination = dest;
- }
-
- /**
- * Set the current transform of this node.
- * @param tf the transform
- */
- public void setTransform(AffineTransform tf) {
- transform = tf;
- }
-
- /**
- * Paints this node if visible.
- *
- * @param g2d the Graphics2D to use
- */
- public void paint(Graphics2D g2d) {
- if (isVisible) {
- super.paint(g2d);
- if (g2d instanceof PDFGraphics2D) {
- PDFGraphics2D pdfg = (PDFGraphics2D)g2d;
- int type = org.apache.fop.pdf.PDFLink.EXTERNAL;
- Shape outline = getOutline();
- if (destination.startsWith("#svgView(viewBox(")) {
- type = org.apache.fop.pdf.PDFLink.INTERNAL;
- String nums = destination.substring(17, destination.length() - 2);
- float x = 0;
- float y = 0;
- float width = 0;
- float height = 0;
- int count = 0;
- try {
- StringTokenizer st = new StringTokenizer(nums, ",");
- while (st.hasMoreTokens()) {
- String tok = st.nextToken();
- count++;
- switch(count) {
- case 1:
- x = Float.parseFloat(tok);
- break;
- case 2:
- y = Float.parseFloat(tok);
- break;
- case 3:
- width = Float.parseFloat(tok);
- break;
- case 4:
- height = Float.parseFloat(tok);
- break;
- default:
- break;
- }
- }
- } catch (Exception e) {
- //TODO Move this to setDestination() and throw an IllegalArgumentException
- e.printStackTrace();
- }
- Rectangle2D destRect = new Rectangle2D.Float(x, y, width, height);
- destRect = transform.createTransformedShape(destRect).getBounds();
- // these numbers need conversion to current
- // svg position and scaled for the page
- x = (float)destRect.getX();
- y = (float)destRect.getY();
- width = (float)destRect.getWidth();
- height = (float)destRect.getHeight();
-
- destination = "" + x + " " + y + " "
- + (x + width) + " " + (y + height);
- }
- pdfg.addLink(getBounds(), transform, destination, type);
- }
- }
- }
-
- }
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