Change the position of a field

This is a code example of iText PDF, discover more.

31st May 2016
iText PDF

These examples were written in answer to questions such as:

ChangeFieldSize.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/24404413/increase-width-of-acrofieldsitextsharp
 */
package com.itextpdf.samples.sandbox.acroforms;
 
import com.itextpdf.forms.PdfAcroForm;
import com.itextpdf.forms.fields.PdfFormField;
import com.itextpdf.kernel.pdf.*;
import com.itextpdf.kernel.pdf.annot.PdfWidgetAnnotation;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
 
import org.junit.experimental.categories.Category;
 
import java.io.File;
 
@Category(SampleTest.class)
public class ChangeFieldSize extends GenericTest {
    public static final String DEST = "./target/test/resources/sandbox/acroforms/change_field_size.pdf";
    public static final String SRC = "./src/test/resources/pdfs/form.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new ChangeFieldSize().manipulatePdf(DEST);
    }
 
    @Override
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(DEST));
        PdfAcroForm form = PdfAcroForm.getAcroForm(pdfDoc, true);
 
        String value = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" +
                "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
        PdfFormField field = form.getField("Name");
        PdfWidgetAnnotation widgetAnnotation = field.getWidgets().get(0);
        PdfArray annotationRect = widgetAnnotation.getRectangle();
        annotationRect.set(2, new PdfNumber(annotationRect.getAsNumber(2).floatValue() + 20f));
        field.setValue(value);
        form.getField("Company").setValue(value);
 
        pdfDoc.close();
    }
}
CheckBoxFlatten.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written by Bruno Lowagie in answer to:
 * http://stackoverflow.com/questions/34439850
 */
package com.itextpdf.samples.sandbox.acroforms;
 
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.forms.PdfAcroForm;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
 
import java.io.File;
 
import org.junit.experimental.categories.Category;
 
@Category(SampleTest.class)
public class CheckBoxFlatten extends GenericTest {
    public static final String DEST
            = "./target/test/resources/sandbox/acroforms/checkbox_flatten.pdf";
    public static final String SRC
            = "./src/test/resources/pdfs/checkboxes.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new CheckBoxFlatten().manipulatePdf(DEST);
    }
 
    @Override
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(DEST));
        PdfAcroForm.getAcroForm(pdfDoc, true).flattenFields();
        pdfDoc.close();
    }
}

Click the following link to see the legacy example for iText 5. Except for security fixes, iText 5 is no longer being developed.



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