iText 5 itextpdf.jar Source Code

itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

✍: FYIcenter.com

com/itextpdf/text/pdf/PdfAcroForm.java

/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2020 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;

import java.io.IOException;
import java.io.OutputStream;
import java.util.HashSet;

import com.itextpdf.text.BaseColor;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.internal.PdfIsoKeys;

/**
 * Each PDF document can contain maximum 1 AcroForm.
 */

public class PdfAcroForm extends PdfDictionary {

    private PdfWriter writer;


    /** This is a map containing FieldTemplates. */
    private HashSet<PdfTemplate> fieldTemplates = new HashSet<PdfTemplate>();

    /** This is an array containing DocumentFields. */
    private PdfArray documentFields = new PdfArray();

    /** This is an array containing the calculationorder of the fields. */
    private PdfArray calculationOrder = new PdfArray();

    /** Contains the signature flags. */
    private int sigFlags = 0;

    /** Creates new PdfAcroForm
     * @param writer
     */
    public PdfAcroForm(PdfWriter writer) {
        super();
        this.writer = writer;
    }

    public void setNeedAppearances(boolean value) {
    	put(PdfName.NEEDAPPEARANCES, new PdfBoolean(value));
    }

    /**
     * Adds fieldTemplates.
     * @param ft
     */

    public void addFieldTemplates(HashSet<PdfTemplate> ft) {
        fieldTemplates.addAll(ft);
    }

    /**
     * Adds documentFields.
     * @param ref
     */

    public void addDocumentField(PdfIndirectReference ref) {
        documentFields.add(ref);
    }

    /**
     * Checks if the Acroform is valid
     * @return true if the Acroform is valid
     */

    public boolean isValid() {
        if (documentFields.size() == 0) return false;
        put(PdfName.FIELDS, documentFields);
        if (sigFlags != 0)
            put(PdfName.SIGFLAGS, new PdfNumber(sigFlags));
        if (calculationOrder.size() > 0)
            put(PdfName.CO, calculationOrder);
        if (fieldTemplates.isEmpty()) return true;
        PdfDictionary dic = new PdfDictionary();
        for (PdfTemplate template: fieldTemplates) {
            PdfFormField.mergeResources(dic, (PdfDictionary)template.getResources());
        }
        put(PdfName.DR, dic);
        put(PdfName.DA, new PdfString("/Helv 0 Tf 0 g "));
        PdfDictionary fonts = (PdfDictionary)dic.get(PdfName.FONT);
        if (fonts != null) {
            writer.eliminateFontSubset(fonts);
        }
        return true;
    }

    /**
     * Adds an object to the calculationOrder.
     * @param formField
     */

    public void addCalculationOrder(PdfFormField formField) {
        calculationOrder.add(formField.getIndirectReference());
    }

    /**
     * Sets the signature flags.
     * @param f
     */

    public void setSigFlags(int f) {
        sigFlags |= f;
    }

    /**
     * Adds a formfield to the AcroForm.
     * @param formField
     */

    public void addFormField(PdfFormField formField) {
        writer.addAnnotation(formField);
    }

    /**
     * @param name
     * @param caption
     * @param value
     * @param url
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addHtmlPostButton(String name, String caption, String value, String url, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfAction action = PdfAction.createSubmitForm(url, null, PdfAction.SUBMIT_HTML_FORMAT);
        PdfFormField button = new PdfFormField(writer, llx, lly, urx, ury, action);
        setButtonParams(button, PdfFormField.FF_PUSHBUTTON, name, value);
        drawButton(button, caption, font, fontSize, llx, lly, urx, ury);
        addFormField(button);
	return button;
    }

    /**
     * @param name
     * @param caption
     * @param value
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addResetButton(String name, String caption, String value, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfAction action = PdfAction.createResetForm(null, 0);
        PdfFormField button = new PdfFormField(writer, llx, lly, urx, ury, action);
        setButtonParams(button, PdfFormField.FF_PUSHBUTTON, name, value);
        drawButton(button, caption, font, fontSize, llx, lly, urx, ury);
        addFormField(button);
        return button;
    }

    /**
     * @param name
     * @param value
     * @param url
     * @param appearance
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addMap(String name, String value, String url, PdfContentByte appearance, float llx, float lly, float urx, float ury) {
        PdfAction action = PdfAction.createSubmitForm(url, null, PdfAction.SUBMIT_HTML_FORMAT | PdfAction.SUBMIT_COORDINATES);
        PdfFormField button = new PdfFormField(writer, llx, lly, urx, ury, action);
        setButtonParams(button, PdfFormField.FF_PUSHBUTTON, name, null);
        PdfAppearance pa = PdfAppearance.createAppearance(writer, urx - llx, ury - lly);
        pa.add(appearance);
        button.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, pa);
        addFormField(button);
        return button;
    }

    /**
     * @param button
     * @param characteristics
     * @param name
     * @param value
     */
    public void setButtonParams(PdfFormField button, int characteristics, String name, String value) {
        button.setButton(characteristics);
        button.setFlags(PdfAnnotation.FLAGS_PRINT);
        button.setPage();
        button.setFieldName(name);
        if (value != null) button.setValueAsString(value);
    }

    /**
     * @param button
     * @param caption
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void drawButton(PdfFormField button, String caption, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfAppearance pa = PdfAppearance.createAppearance(writer, urx - llx, ury - lly);
        pa.drawButton(0f, 0f, urx - llx, ury - lly, caption, font, fontSize);
        button.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, pa);
    }

    /**
     * @param name
     * @param value
     * @return a PdfFormField
     */
    public PdfFormField addHiddenField(String name, String value) {
        PdfFormField hidden = PdfFormField.createEmpty(writer);
        hidden.setFieldName(name);
        hidden.setValueAsName(value);
        addFormField(hidden);
        return hidden;
    }

    /**
     * @param name
     * @param text
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addSingleLineTextField(String name, String text, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfFormField field = PdfFormField.createTextField(writer, PdfFormField.SINGLELINE, PdfFormField.PLAINTEXT, 0);
        setTextFieldParams(field, text, name, llx, lly, urx, ury);
        drawSingleLineOfText(field, text, font, fontSize, llx, lly, urx, ury);
        addFormField(field);
        return field;
    }

    /**
     * @param name
     * @param text
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addMultiLineTextField(String name, String text, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfFormField field = PdfFormField.createTextField(writer, PdfFormField.MULTILINE, PdfFormField.PLAINTEXT, 0);
        setTextFieldParams(field, text, name, llx, lly, urx, ury);
        drawMultiLineOfText(field, text, font, fontSize, llx, lly, urx, ury);
        addFormField(field);
        return field;
    }

    /**
     * @param name
     * @param text
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return PdfFormField
     */
    public PdfFormField addSingleLinePasswordField(String name, String text, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfFormField field = PdfFormField.createTextField(writer, PdfFormField.SINGLELINE, PdfFormField.PASSWORD, 0);
        setTextFieldParams(field, text, name, llx, lly, urx, ury);
        drawSingleLineOfText(field, text, font, fontSize, llx, lly, urx, ury);
        addFormField(field);
        return field;
    }

    /**
     * @param field
     * @param text
     * @param name
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void setTextFieldParams(PdfFormField field, String text, String name, float llx, float lly, float urx, float ury) {
        field.setWidget(new Rectangle(llx, lly, urx, ury), PdfAnnotation.HIGHLIGHT_INVERT);
        field.setValueAsString(text);
        field.setDefaultValueAsString(text);
        field.setFieldName(name);
        field.setFlags(PdfAnnotation.FLAGS_PRINT);
        field.setPage();
    }

    /**
     * @param field
     * @param text
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void drawSingleLineOfText(PdfFormField field, String text, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfAppearance tp = PdfAppearance.createAppearance(writer, urx - llx, ury - lly);
        PdfAppearance tp2 = (PdfAppearance)tp.getDuplicate();
        tp2.setFontAndSize(font, fontSize);
        tp2.resetRGBColorFill();
        field.setDefaultAppearanceString(tp2);
        tp.drawTextField(0f, 0f, urx - llx, ury - lly);
        tp.beginVariableText();
        tp.saveState();
        tp.rectangle(3f, 3f, urx - llx - 6f, ury - lly - 6f);
        tp.clip();
        tp.newPath();
        tp.beginText();
        tp.setFontAndSize(font, fontSize);
        tp.resetRGBColorFill();
        tp.setTextMatrix(4, (ury - lly) / 2 - fontSize * 0.3f);
        tp.showText(text);
        tp.endText();
        tp.restoreState();
        tp.endVariableText();
        field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, tp);
    }

    /**
     * @param field
     * @param text
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void drawMultiLineOfText(PdfFormField field, String text, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfAppearance tp = PdfAppearance.createAppearance(writer, urx - llx, ury - lly);
        PdfAppearance tp2 = (PdfAppearance)tp.getDuplicate();
        tp2.setFontAndSize(font, fontSize);
        tp2.resetRGBColorFill();
        field.setDefaultAppearanceString(tp2);
        tp.drawTextField(0f, 0f, urx - llx, ury - lly);
        tp.beginVariableText();
        tp.saveState();
        tp.rectangle(3f, 3f, urx - llx - 6f, ury - lly - 6f);
        tp.clip();
        tp.newPath();
        tp.beginText();
        tp.setFontAndSize(font, fontSize);
        tp.resetRGBColorFill();
        tp.setTextMatrix(4, 5);
        java.util.StringTokenizer tokenizer = new java.util.StringTokenizer(text, "\n");
        float yPos = ury - lly;
        while (tokenizer.hasMoreTokens()) {
            yPos -= fontSize * 1.2f;
            tp.showTextAligned(PdfContentByte.ALIGN_LEFT, tokenizer.nextToken(), 3, yPos, 0);
        }
        tp.endText();
        tp.restoreState();
        tp.endVariableText();
        field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, tp);
    }

    /**
     * @param name
     * @param value
     * @param status
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addCheckBox(String name, String value, boolean status, float llx, float lly, float urx, float ury) {
        PdfFormField field = PdfFormField.createCheckBox(writer);
        setCheckBoxParams(field, name, value, status, llx, lly, urx, ury);
        drawCheckBoxAppearences(field, value, llx, lly, urx, ury);
        addFormField(field);
        return field;
    }

    /**
     * @param field
     * @param name
     * @param value
     * @param status
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void setCheckBoxParams(PdfFormField field, String name, String value, boolean status, float llx, float lly, float urx, float ury) {
        field.setWidget(new Rectangle(llx, lly, urx, ury), PdfAnnotation.HIGHLIGHT_TOGGLE);
        field.setFieldName(name);
        if (status) {
            field.setValueAsName(value);
            field.setAppearanceState(value);
        }
        else {
            field.setValueAsName("Off");
            field.setAppearanceState("Off");
        }
        field.setFlags(PdfAnnotation.FLAGS_PRINT);
        field.setPage();
        field.setBorderStyle(new PdfBorderDictionary(1, PdfBorderDictionary.STYLE_SOLID));
    }

    /**
     * @param field
     * @param value
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void drawCheckBoxAppearences(PdfFormField field, String value, float llx, float lly, float urx, float ury) {
        BaseFont font = null;
        try {
            font = BaseFont.createFont(BaseFont.ZAPFDINGBATS, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
        }
        catch(Exception e) {
            throw new ExceptionConverter(e);
        }
        float size = ury - lly;
        PdfAppearance tpOn = PdfAppearance.createAppearance(writer, urx - llx, ury - lly);
        PdfAppearance tp2 = (PdfAppearance)tpOn.getDuplicate();
        tp2.setFontAndSize(font, size);
        tp2.resetRGBColorFill();
        field.setDefaultAppearanceString(tp2);
        tpOn.drawTextField(0f, 0f, urx - llx, ury - lly);
        tpOn.saveState();
        tpOn.resetRGBColorFill();
        tpOn.beginText();
        tpOn.setFontAndSize(font, size);
        tpOn.showTextAligned(PdfContentByte.ALIGN_CENTER, "4", (urx - llx) / 2, (ury - lly) / 2 - size * 0.3f, 0);
        tpOn.endText();
        tpOn.restoreState();
        field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, value, tpOn);
        PdfAppearance tpOff = PdfAppearance.createAppearance(writer, urx - llx, ury - lly);
        tpOff.drawTextField(0f, 0f, urx - llx, ury - lly);
        field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, "Off", tpOff);
    }

    /**
     * @param name
     * @param defaultValue
     * @param noToggleToOff
     * @return a PdfFormField
     */
    public PdfFormField getRadioGroup(String name, String defaultValue, boolean noToggleToOff) {
        PdfFormField radio = PdfFormField.createRadioButton(writer, noToggleToOff);
        radio.setFieldName(name);
        radio.setValueAsName(defaultValue);
        return radio;
    }

    /**
     * @param radiogroup
     */
    public void addRadioGroup(PdfFormField radiogroup) {
        addFormField(radiogroup);
    }

    /**
     * @param radiogroup
     * @param value
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addRadioButton(PdfFormField radiogroup, String value, float llx, float lly, float urx, float ury) {
        PdfFormField radio = PdfFormField.createEmpty(writer);
        radio.setWidget(new Rectangle(llx, lly, urx, ury), PdfAnnotation.HIGHLIGHT_TOGGLE);
        String name = ((PdfName)radiogroup.get(PdfName.V)).toString().substring(1);
        if (name.equals(value)) {
            radio.setAppearanceState(value);
        }
        else {
            radio.setAppearanceState("Off");
        }
        drawRadioAppearences(radio, value, llx, lly, urx, ury);
        radiogroup.addKid(radio);
        return radio;
    }

    /**
     * @param field
     * @param value
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void drawRadioAppearences(PdfFormField field, String value, float llx, float lly, float urx, float ury) {
        PdfAppearance tpOn = PdfAppearance.createAppearance(writer, urx - llx, ury - lly);
        tpOn.drawRadioField(0f, 0f, urx - llx, ury - lly, true);
        field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, value, tpOn);
        PdfAppearance tpOff = PdfAppearance.createAppearance(writer, urx - llx, ury - lly);
        tpOff.drawRadioField(0f, 0f, urx - llx, ury - lly, false);
        field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, "Off", tpOff);
    }

    /**
     * @param name
     * @param options
     * @param defaultValue
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addSelectList(String name, String[] options, String defaultValue, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfFormField choice = PdfFormField.createList(writer, options, 0);
        setChoiceParams(choice, name, defaultValue, llx, lly, urx, ury);
        StringBuffer text = new StringBuffer();
        for (String option : options) {
            text.append(option).append('\n');
        }
        drawMultiLineOfText(choice, text.toString(), font, fontSize, llx, lly, urx, ury);
        addFormField(choice);
        return choice;
    }

    /**
     * @param name
     * @param options
     * @param defaultValue
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addSelectList(String name, String[][] options, String defaultValue, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfFormField choice = PdfFormField.createList(writer, options, 0);
        setChoiceParams(choice, name, defaultValue, llx, lly, urx, ury);
        StringBuffer text = new StringBuffer();
        for (String[] option : options) {
            text.append(option[1]).append('\n');
        }
        drawMultiLineOfText(choice, text.toString(), font, fontSize, llx, lly, urx, ury);
        addFormField(choice);
        return choice;
    }

    /**
     * @param name
     * @param options
     * @param defaultValue
     * @param editable
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addComboBox(String name, String[] options, String defaultValue, boolean editable, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfFormField choice = PdfFormField.createCombo(writer, editable, options, 0);
        setChoiceParams(choice, name, defaultValue, llx, lly, urx, ury);
        if (defaultValue == null) {
            defaultValue = options[0];
        }
        drawSingleLineOfText(choice, defaultValue, font, fontSize, llx, lly, urx, ury);
        addFormField(choice);
        return choice;
    }

    /**
     * @param name
     * @param options
     * @param defaultValue
     * @param editable
     * @param font
     * @param fontSize
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addComboBox(String name, String[][] options, String defaultValue, boolean editable, BaseFont font, float fontSize, float llx, float lly, float urx, float ury) {
        PdfFormField choice = PdfFormField.createCombo(writer, editable, options, 0);
        setChoiceParams(choice, name, defaultValue, llx, lly, urx, ury);
        String value = null;
        for (String[] option : options) {
            if (option[0].equals(defaultValue)) {
                value = option[1];
                break;
            }
        }
        if (value == null) {
            value = options[0][1];
        }
        drawSingleLineOfText(choice, value, font, fontSize, llx, lly, urx, ury);
        addFormField(choice);
        return choice;
    }

    /**
     * @param field
     * @param name
     * @param defaultValue
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void setChoiceParams(PdfFormField field, String name, String defaultValue, float llx, float lly, float urx, float ury) {
        field.setWidget(new Rectangle(llx, lly, urx, ury), PdfAnnotation.HIGHLIGHT_INVERT);
        if (defaultValue != null) {
            field.setValueAsString(defaultValue);
            field.setDefaultValueAsString(defaultValue);
        }
        field.setFieldName(name);
        field.setFlags(PdfAnnotation.FLAGS_PRINT);
        field.setPage();
        field.setBorderStyle(new PdfBorderDictionary(2, PdfBorderDictionary.STYLE_SOLID));
    }

    /**
     * @param name
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     * @return a PdfFormField
     */
    public PdfFormField addSignature(String name,
                    float llx, float lly, float urx, float ury) {
        PdfFormField signature = PdfFormField.createSignature(writer);
        setSignatureParams(signature, name, llx, lly, urx, ury);
        drawSignatureAppearences(signature, llx, lly, urx, ury);
        addFormField(signature);
        return signature;
    }

    /**
     * @param field
     * @param name
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void setSignatureParams(PdfFormField field, String name,
                    float llx, float lly, float urx, float ury) {
        field.setWidget(new Rectangle(llx, lly, urx, ury), PdfAnnotation.HIGHLIGHT_INVERT);
        field.setFieldName(name);
        field.setFlags(PdfAnnotation.FLAGS_PRINT);
        field.setPage();
        field.setMKBorderColor(BaseColor.BLACK);
        field.setMKBackgroundColor(BaseColor.WHITE);
    }

    /**
     * @param field
     * @param llx
     * @param lly
     * @param urx
     * @param ury
     */
    public void drawSignatureAppearences(PdfFormField field,
                    float llx, float lly, float urx, float ury) {
        PdfAppearance tp = PdfAppearance.createAppearance(writer, urx - llx, ury - lly);
        tp.setGrayFill(1.0f);
        tp.rectangle(0, 0, urx - llx, ury - lly);
        tp.fill();
        tp.setGrayStroke(0);
        tp.setLineWidth(1);
        tp.rectangle(0.5f, 0.5f, urx - llx - 0.5f, ury - lly - 0.5f);
        tp.closePathStroke();
        tp.saveState();
        tp.rectangle(1, 1, urx - llx - 2, ury - lly - 2);
        tp.clip();
        tp.newPath();
        tp.restoreState();
        field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, tp);
    }

    @Override
    public void toPdf(final PdfWriter writer, final OutputStream os) throws IOException {
        PdfWriter.checkPdfIsoConformance(writer, PdfIsoKeys.PDFISOKEY_FORM, this);
        super.toPdf(writer, os);
    }

}

com/itextpdf/text/pdf/PdfAcroForm.java

 

⇒ iText-2.1.6.jar - iText, a JAVA-PDF library

⇐ iText layout.jar Source Code

⇑ Download and Install iText Java Library

⇑⇑ iText for PDF Generation

2021-07-03, 47901👍, 0💬