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/*
* $Id: PdfAnnotationsImp.java 3912 2009-04-26 08:38:15Z blowagie $
*
* Copyright 2006 Bruno Lowagie
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* https://github.com/LibrePDF/OpenPDF
*/
package com.lowagie.text.pdf.internal;
import com.lowagie.text.Annotation;
import com.lowagie.text.ExceptionConverter;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfAcroForm;
import com.lowagie.text.pdf.PdfAction;
import com.lowagie.text.pdf.PdfAnnotation;
import com.lowagie.text.pdf.PdfArray;
import com.lowagie.text.pdf.PdfFileSpecification;
import com.lowagie.text.pdf.PdfFormField;
import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfObject;
import com.lowagie.text.pdf.PdfRectangle;
import com.lowagie.text.pdf.PdfString;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
public class PdfAnnotationsImp {
/**
* This is the AcroForm object for the complete document.
*/
protected PdfAcroForm acroForm;
/**
* This is the array containing the references to annotations
* that were added to the document.
*/
protected List annotations;
/**
* This is an array containing references to some delayed annotations
* (that were added for a page that doesn't exist yet).
*/
protected List delayedAnnotations = new ArrayList<>();
public PdfAnnotationsImp(PdfWriter writer) {
acroForm = new PdfAcroForm(writer);
}
/**
* Checks if the AcroForm is valid.
*
* @return boolean, true if valid else false
*/
public boolean hasValidAcroForm() {
return acroForm.isValid();
}
/**
* Gets the AcroForm object.
* @return the PdfAcroform object of the PdfDocument
*/
public PdfAcroForm getAcroForm() {
return acroForm;
}
public void setSigFlags(int f) {
acroForm.setSigFlags(f);
}
public void addCalculationOrder(PdfFormField formField) {
acroForm.addCalculationOrder(formField);
}
public void addAnnotation(PdfAnnotation annot) {
if (annot.isForm()) {
PdfFormField field = (PdfFormField)annot;
if (field.getParent() == null)
addFormFieldRaw(field);
}
else
annotations.add(annot);
}
public void addPlainAnnotation(PdfAnnotation annot) {
annotations.add(annot);
}
void addFormFieldRaw(PdfFormField field) {
annotations.add(field);
List kids = field.getKidFields();
if (kids != null) {
for (PdfFormField kid : kids) {
addFormFieldRaw(kid);
}
}
}
public boolean hasUnusedAnnotations() {
return !annotations.isEmpty();
}
public void resetAnnotations() {
annotations = delayedAnnotations;
delayedAnnotations = new ArrayList<>();
}
public PdfArray rotateAnnotations(PdfWriter writer, Rectangle pageSize) {
PdfArray array = new PdfArray();
int rotation = pageSize.getRotation() % 360;
int currentPage = writer.getCurrentPageNumber();
for (Object annotation : annotations) {
PdfAnnotation dic = (PdfAnnotation) annotation;
int page = dic.getPlaceInPage();
if (page > currentPage) {
delayedAnnotations.add(dic);
continue;
}
if (dic.isForm()) {
if (!dic.isUsed()) {
Map templates = dic.getTemplates();
if (templates != null)
acroForm.addFieldTemplates(templates);
}
PdfFormField field = (PdfFormField) dic;
if (field.getParent() == null)
acroForm.addDocumentField(field.getIndirectReference());
}
if (dic.isAnnotation()) {
array.add(dic.getIndirectReference());
if (!dic.isUsed()) {
PdfRectangle rect = (PdfRectangle) dic.get(PdfName.RECT);
if (rect != null) {
switch (rotation) {
case 90:
dic.put(PdfName.RECT, new PdfRectangle(
pageSize.getTop() - rect.bottom(),
rect.left(),
pageSize.getTop() - rect.top(),
rect.right()));
break;
case 180:
dic.put(PdfName.RECT, new PdfRectangle(
pageSize.getRight() - rect.left(),
pageSize.getTop() - rect.bottom(),
pageSize.getRight() - rect.right(),
pageSize.getTop() - rect.top()));
break;
case 270:
dic.put(PdfName.RECT, new PdfRectangle(
rect.bottom(),
pageSize.getRight() - rect.left(),
rect.top(),
pageSize.getRight() - rect.right()));
break;
}
}
}
}
if (!dic.isUsed()) {
dic.setUsed();
try {
writer.addToBody(dic, dic.getIndirectReference());
} catch (IOException e) {
throw new ExceptionConverter(e);
}
}
}
return array;
}
public static PdfAnnotation convertAnnotation(PdfWriter writer, Annotation annot, Rectangle defaultRect) throws IOException {
switch(annot.annotationType()) {
case Annotation.URL_NET:
return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((URL) annot.getAttributes().get(Annotation.URL)));
case Annotation.URL_AS_STRING:
return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((String) annot.getAttributes().get(Annotation.FILE)));
case Annotation.FILE_DEST:
return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(),
new PdfAction((String) annot.getAttributes().get(Annotation.FILE),
(String) annot.getAttributes().get(Annotation.DESTINATION)));
case Annotation.SCREEN:
boolean[] sparams = (boolean[]) annot.getAttributes().get(Annotation.PARAMETERS);
String fname = (String) annot.getAttributes().get(Annotation.FILE);
String mimetype = (String) annot.getAttributes().get(Annotation.MIMETYPE);
PdfFileSpecification fs;
if (sparams[0]) {
fs = PdfFileSpecification.fileEmbedded(writer, fname, fname, null);
} else {
fs = PdfFileSpecification.fileExtern(writer, fname);
}
return PdfAnnotation
.createScreen(writer, new Rectangle(annot.llx(), annot.lly(), annot.urx(), annot.ury()),
fname, fs, mimetype, sparams[1]);
case Annotation.FILE_PAGE:
return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(),
new PdfAction((String) annot.getAttributes().get(Annotation.FILE),
(Integer) annot.getAttributes().get(Annotation.PAGE)));
case Annotation.NAMED_DEST:
return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(),
new PdfAction((Integer) annot.getAttributes().get(Annotation.NAMED)));
case Annotation.LAUNCH:
return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(),
new PdfAction((String) annot.getAttributes().get(Annotation.APPLICATION),
(String) annot.getAttributes().get(Annotation.PARAMETERS),
(String) annot.getAttributes().get(Annotation.OPERATION),
(String) annot.getAttributes().get(Annotation.DEFAULTDIR)));
default:
return new PdfAnnotation(writer, defaultRect.getLeft(), defaultRect.getBottom(), defaultRect.getRight(),
defaultRect.getTop(), new PdfString(annot.title(), PdfObject.TEXT_UNICODE),
new PdfString(annot.content(), PdfObject.TEXT_UNICODE));
}
}
}
