| /* |
| * 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; |
| |
| /** |
| * A graphics node that represents an image described as a graphics node. |
| * |
| * @author <a href="mailto:keiron@aftexsw.com">Keiron Liddle</a> |
| */ |
| 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); |
| } |
| } |
| } |
| |
| } |
| |