| /* |
| * 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.pdf; |
| |
| // Java |
| import java.awt.geom.Rectangle2D; |
| |
| /** |
| * class representing an /Annot object of /Subtype /Link |
| */ |
| public class PDFLink extends PDFObject { |
| /** |
| * Used to represent an external link. |
| */ |
| public static final int EXTERNAL = 0; |
| |
| /** |
| * Used to represent an internal link. |
| */ |
| public static final int INTERNAL = 1; |
| |
| private float ulx; |
| private float uly; |
| private float brx; |
| private float bry; |
| private String color; |
| private PDFAction action; |
| private Integer structParent; |
| |
| /** |
| * create objects associated with a link annotation (GoToR) |
| * |
| * @param r the rectangle of the link hotspot in absolute coordinates |
| */ |
| public PDFLink(Rectangle2D r) { |
| /* generic creation of PDF object */ |
| super(); |
| |
| this.ulx = (float)r.getX(); |
| this.uly = (float)r.getY(); |
| this.brx = (float)(r.getX() + r.getWidth()); |
| this.bry = (float)(r.getY() + r.getHeight()); |
| this.color = "0 0 0"; // just for now |
| |
| } |
| |
| /** |
| * Set the pdf action for this link. |
| * @param action the pdf action that is activated for this link |
| */ |
| public void setAction(PDFAction action) { |
| this.action = action; |
| } |
| |
| |
| /** |
| * Sets the value of the StructParent entry for this link. |
| * |
| * @param structParent key in the structure parent tree |
| */ |
| public void setStructParent(int structParent) { |
| this.structParent = new Integer(structParent); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String toPDFString() { |
| getDocumentSafely().getProfile().verifyAnnotAllowed(); |
| String fFlag = ""; |
| if (getDocumentSafely().getProfile().getPDFAMode().isPDFA1LevelB()) { |
| int f = 0; |
| f |= 1 << (3 - 1); //Print, bit 3 |
| f |= 1 << (4 - 1); //NoZoom, bit 4 |
| f |= 1 << (5 - 1); //NoRotate, bit 5 |
| fFlag = "/F " + f; |
| } |
| String s = getObjectID() |
| + "<< /Type /Annot\n" + "/Subtype /Link\n" + "/Rect [ " |
| + (ulx) + " " + (uly) + " " |
| + (brx) + " " + (bry) + " ]\n" + "/C [ " |
| + this.color + " ]\n" + "/Border [ 0 0 0 ]\n" + "/A " |
| + this.action.getAction() + "\n" + "/H /I\n" |
| + (this.structParent != null |
| ? "/StructParent " + this.structParent.toString() + "\n" : "") |
| + fFlag + "\n>>\nendobj\n"; |
| return s; |
| } |
| |
| /* |
| * example |
| * 19 0 obj |
| * << |
| * /Type /Annot |
| * /Subtype /Link |
| * /Rect [ 176.032 678.48412 228.73579 692.356 ] |
| * /C [ 0.86491 0.03421 0.02591 ] |
| * /Border [ 0 0 1 ] |
| * /A 28 0 R |
| * /H /I |
| * >> |
| * endobj |
| */ |
| |
| /** {@inheritDoc} */ |
| protected boolean contentEquals(PDFObject obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj == null || !(obj instanceof PDFLink)) { |
| return false; |
| } |
| |
| PDFLink link = (PDFLink)obj; |
| |
| if (!((link.ulx == ulx) && (link.uly == uly) |
| && (link.brx == brx) && (link.bry == bry))) { |
| return false; |
| } |
| |
| if (!(link.color.equals(color) |
| && link.action.getAction().equals(action.getAction()))) { |
| return false; |
| } |
| |
| return true; |
| } |
| } |
| |