Flattening a form
Examples written in answer to questions such as:
checkboxflatten
JAVA
JAVA
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2023 Apryse Group NV
Authors: Apryse Software.
For more information, please contact iText Software at this address:
sales@itextpdf.com
*/
package com.itextpdf.samples.sandbox.acroforms;
import com.itextpdf.forms.fields.PdfFormCreator;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.forms.PdfAcroForm;
import java.io.File;
public class CheckBoxFlatten {
public static final String DEST = "./target/sandbox/acroforms/checkbox_flatten.pdf";
public static final String SRC = "./src/main/resources/pdfs/checkboxes.pdf";
public static void main(String[] args) throws Exception {
File file = new File(DEST);
file.getParentFile().mkdirs();
new CheckBoxFlatten().manipulatePdf(DEST);
}
protected void manipulatePdf(String dest) throws Exception {
PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
PdfAcroForm form = PdfFormCreator.getAcroForm(pdfDoc, true);
// If no fields have been explicitly included, then all fields are flattened.
// Otherwise only the included fields are flattened.
form.flattenFields();
pdfDoc.close();
}
}
C#
C#
using System;
using System.IO;
using iText.Forms;
using iText.Forms.Fields;
using iText.Kernel.Pdf;
namespace iText.Samples.Sandbox.Acroforms
{
public class CheckBoxFlatten
{
public static readonly String DEST = "results/sandbox/acroforms/checkbox_flatten.pdf";
public static readonly String SRC = "../../../resources/pdfs/checkboxes.pdf";
public static void Main(String[] args)
{
FileInfo file = new FileInfo(DEST);
file.Directory.Create();
new CheckBoxFlatten().ManipulatePdf(DEST);
}
protected void ManipulatePdf(String dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
PdfAcroForm form = PdfFormCreator.GetAcroForm(pdfDoc, true);
// If no fields have been explicitly included, then all fields are flattened.
// Otherwise only the included fields are flattened.
form.FlattenFields();
pdfDoc.Close();
}
}
}