/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: sales@itextpdf.com
*/
package com.itextpdf.text.pdf.internal;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashSet;
import com.itextpdf.text.Annotation;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfAcroForm;
import com.itextpdf.text.pdf.PdfAction;
import com.itextpdf.text.pdf.PdfAnnotation;
import com.itextpdf.text.pdf.PdfArray;
import com.itextpdf.text.pdf.PdfFileSpecification;
import com.itextpdf.text.pdf.PdfFormField;
import com.itextpdf.text.pdf.PdfName;
import com.itextpdf.text.pdf.PdfObject;
import com.itextpdf.text.pdf.PdfRectangle;
import com.itextpdf.text.pdf.PdfString;
import com.itextpdf.text.pdf.PdfTemplate;
import com.itextpdf.text.pdf.PdfWriter;
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 ArrayList<PdfAnnotation> annotations = new ArrayList<PdfAnnotation>();
/**
* This is an array containing references to some delayed annotations
* (that were added for a page that doesn't exist yet).
*/
protected ArrayList<PdfAnnotation> delayedAnnotations = new ArrayList<PdfAnnotation>();
public PdfAnnotationsImp(PdfWriter writer) {
acroForm = new PdfAcroForm(writer);
}
/**
* Checks if the AcroForm is valid.
*/
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);
ArrayList<PdfFormField> kids = field.getKids();
if (kids != null) {
for (int k = 0; k < kids.size(); ++k) {
PdfFormField kid = kids.get(k);
if (!kid.isUsed())
addFormFieldRaw(kid);
}
}
}
public boolean hasUnusedAnnotations() {
return !annotations.isEmpty();
}
public void resetAnnotations() {
annotations = delayedAnnotations;
delayedAnnotations = new ArrayList<PdfAnnotation>();
}
public PdfArray rotateAnnotations(PdfWriter writer, Rectangle pageSize) {
PdfArray array = new PdfArray();
int rotation = pageSize.getRotation() % 360;
int currentPage = writer.getCurrentPageNumber();
for (int k = 0; k < annotations.size(); ++k) {
PdfAnnotation dic = annotations.get(k);
int page = dic.getPlaceInPage();
if (page > currentPage) {
delayedAnnotations.add(dic);
continue;
}
if (dic.isForm()) {
if (!dic.isUsed()) {
HashSet<PdfTemplate> 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()) {
PdfArray tmp = dic.getAsArray(PdfName.RECT);
PdfRectangle rect;
if (tmp.size() == 4) {
rect = new PdfRectangle(tmp.getAsNumber(0).floatValue(), tmp.getAsNumber(1).floatValue(), tmp.getAsNumber(2).floatValue(), tmp.getAsNumber(3).floatValue());
}
else {
rect = new PdfRectangle(tmp.getAsNumber(0).floatValue(), tmp.getAsNumber(1).floatValue());
}
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 writer.createAnnotation(annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((URL) annot.attributes().get(Annotation.URL)), null);
case Annotation.URL_AS_STRING:
return writer.createAnnotation(annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((String) annot.attributes().get(Annotation.FILE)), null);
case Annotation.FILE_DEST:
return writer.createAnnotation(annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((String) annot.attributes().get(Annotation.FILE), (String) annot.attributes().get(Annotation.DESTINATION)), null);
case Annotation.SCREEN:
boolean sparams[] = (boolean[])annot.attributes().get(Annotation.PARAMETERS);
String fname = (String) annot.attributes().get(Annotation.FILE);
String mimetype = (String) annot.attributes().get(Annotation.MIMETYPE);
PdfFileSpecification fs;
if (sparams[0])
fs = PdfFileSpecification.fileEmbedded(writer, fname, fname, null);
else
fs = PdfFileSpecification.fileExtern(writer, fname);
PdfAnnotation ann = PdfAnnotation.createScreen(writer, new Rectangle(annot.llx(), annot.lly(), annot.urx(), annot.ury()),
fname, fs, mimetype, sparams[1]);
return ann;
case Annotation.FILE_PAGE:
return writer.createAnnotation(annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((String) annot.attributes().get(Annotation.FILE), ((Integer) annot.attributes().get(Annotation.PAGE)).intValue()), null);
case Annotation.NAMED_DEST:
return writer.createAnnotation(annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction(((Integer) annot.attributes().get(Annotation.NAMED)).intValue()), null);
case Annotation.LAUNCH:
return writer.createAnnotation(annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((String) annot.attributes().get(Annotation.APPLICATION),(String) annot.attributes().get(Annotation.PARAMETERS),(String) annot.attributes().get(Annotation.OPERATION),(String) annot.attributes().get(Annotation.DEFAULTDIR)), null);
default:
return writer.createAnnotation(defaultRect.getLeft(), defaultRect.getBottom(), defaultRect.getRight(), defaultRect.getTop(), new PdfString(annot.title(), PdfObject.TEXT_UNICODE), new PdfString(annot.content(), PdfObject.TEXT_UNICODE), null);
}
}
}