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/*
* $Id: PdfAcroForm.java 3912 2009-04-26 08:38:15Z blowagie $
*
* Copyright 2002 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;
import java.util.HashMap;
import java.util.Map;
import com.lowagie.text.Rectangle;
import com.lowagie.text.ExceptionConverter;
/**
* Each PDF document can contain maximum 1 AcroForm.
*/
public class PdfAcroForm extends PdfDictionary {
private PdfWriter writer;
/** This is a map containing FieldTemplates. */
private Map fieldTemplates = new HashMap<>();
/** 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 {@link PdfWriter}
*/
public PdfAcroForm(PdfWriter writer) {
this.writer = writer;
}
public void setNeedAppearances(boolean value) {
put(PdfName.NEEDAPPEARANCES, new PdfBoolean(value));
}
/**
* Adds fieldTemplates.
* @param ft field templates
*/
public void addFieldTemplates(Map ft) {
fieldTemplates.putAll(ft);
}
/**
* Adds documentFields.
* @param ref an object of {@link PdfIndirectReference}
*/
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 (Object o : fieldTemplates.keySet()) {
PdfTemplate template = (PdfTemplate) o;
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 an object of {@link PdfFormField}
*/
public void addCalculationOrder(PdfFormField formField) {
calculationOrder.add(formField.getIndirectReference());
}
/**
* Sets the signature flags.
* @param f signature flag
*/
public void setSigFlags(int f) {
sigFlags |= f;
}
/**
* Adds a formfield to the AcroForm.
* @param formField an object of {@link PdfFormField}
*/
public void addFormField(PdfFormField formField) {
writer.addAnnotation(formField);
}
/**
* @param name name of the field
* @param value value of the field
* @param url url for the action
* @param caption caption
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 name of the field
* @param value value of the field
* @param caption caption
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 name of the field
* @param value value of the field
* @param url url of the action
* @param appearance an object of {@link PdfContentByte}
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 an object of {@link PdfFormField}
* @param characteristics characteristics
* @param name name of the field
* @param value value of the field
*/
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 an object of {@link PdfFormField}
* @param caption caption
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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 name of the field
* @param value value of the field
* @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 name of the field
* @param text value for field
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 name of the field
* @param text value for field
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 name of the field
* @param text text for the field
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 an object of {@link PdfFormField}
* @param text text for the field
* @param name name of the field
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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 field
* @param text text for the field
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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 field, an object of {@link PdfFormField}
* @param text text for field
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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 field name
* @param status status
* @param value value of the field
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 name field name
* @param status status
* @param field field, an object of {@link PdfFormField}
* @param value value of the field
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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 field, an object of {@link PdfFormField}
* @param value value of the field
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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 name of the field
* @param defaultValue default value
* @param noToggleToOff 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 field
*/
public void addRadioGroup(PdfFormField radiogroup) {
addFormField(radiogroup);
}
/**
* @param radiogroup radio group field
* @param value value of the field
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 = 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 field, an object of {@link PdfFormField}
* @param value value
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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 name of the field
* @param options options
* @param defaultValue default value
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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);
StringBuilder text = new StringBuilder();
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 name of the field
* @param options options
* @param defaultValue default value
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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);
StringBuilder text = new StringBuilder();
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 name of the field
* @param options options
* @param defaultValue default value
* @param editable if field is editable, true or false
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 name of the field
* @param options options
* @param defaultValue default value
* @param editable if field is editable, true or false
* @param font an object of {@link BaseFont}
* @param fontSize font size
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 field, an object of {@link PdfFormField}
* @param name field name
* @param defaultValue default calue
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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 field name
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
* @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 name field name
* @param field field, an object of {@link PdfFormField}
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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(java.awt.Color.black);
field.setMKBackgroundColor(java.awt.Color.white);
}
/**
* @param field field, an object of {@link PdfFormField}
* @param llx lower-left-x
* @param lly lower-left-y
* @param urx upper-right-x
* @param ury upper-right-y
*/
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);
}
}
