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<?php
/**
* E040_annotation_form.php
*
* @since 2017-05-08
* @category Library
* @package Pdf
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2002-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
* @link https://github.com/tecnickcom/tc-lib-pdf
*
* This file is part of tc-lib-pdf software library.
*/
// NOTE: run make deps fonts in the project root to generate the dependencies and example fonts.
// autoloader when using Composer
require __DIR__ . '/../vendor/autoload.php';
\define('OUTPUT_FILE', \realpath(__DIR__ . '/../target') . '/example.pdf');
// define fonts directory
\define('K_PATH_FONTS', \realpath(__DIR__ . '/../vendor/tecnickcom/tc-lib-pdf-font/target/fonts'));
// autoloader when using RPM or DEB package installation
//require ('/usr/share/php/Com/Tecnick/Pdf/autoload.php');
// main TCPDF object
$pdf = new \Com\Tecnick\Pdf\Tcpdf(
unit: 'mm',
isunicode: true,
subsetfont: false,
compress: true,
mode: '',
objEncrypt: null,
);
// ----------
$pdf->setCreator('tc-lib-pdf');
$pdf->setAuthor('Nicola Asuni');
$pdf->setSubject('tc-lib-pdf example: 040');
$pdf->setTitle('Annotation Form Widgets');
$pdf->setKeywords('TCPDF tc-lib-pdf annotations form widgets acroform fields');
$pdf->setPDFFilename('040_annotation_form.pdf');
$pdf->setViewerPreferences(['DisplayDocTitle' => true]);
$pdf->enableDefaultPageContent();
// ----------
// Insert fonts
$bfont1 = $pdf->font->insert($pdf->pon, 'helvetica', '', 12);
// test images directory
$imgdir = \realpath(__DIR__ . '/../vendor/tecnickcom/tc-lib-pdf-image/test/images/');
// ----------
// Annotation Form Fields
$page1 = $pdf->addPage();
$bfont1 = $pdf->font->insert($pdf->pon, 'dejavusans', '', 12);
$pdf->page->addContent($bfont1['out']);
$html = <<<HTML
<h1 style="font-size:16pt; color:#003366;">Annotation Form Example</h1>
<p style="font-size:9pt; color:#333333;">
This page demonstrates interactive PDF form fields including text input,
radio buttons, a checkbox, combo and list boxes, plus reset, print, and
submit actions.
</p>
HTML;
$pdf->addHTMLCell(html: $html, posx: 15, posy: 15, width: 180);
$posx = 80;
$posy = 100;
$labelWidth = 62;
$labelX = 15;
$labelStyle = 'font-size:9pt; color:#333333; text-align:right;';
// text
$pdf->addHTMLCell(
html: '<p style="' . $labelStyle . '">Text Input:</p>',
posx: $labelX,
posy: $posy,
width: $labelWidth,
height: 5,
);
$fftextid = $pdf->addFFText('test_text', $posx, $posy, 50, 5);
$pdf->page->addAnnotRef($fftextid);
// radiobuttons
$pdf->addHTMLCell(
html: '<p style="' . $labelStyle . '">Radio – Option One:</p>',
posx: $labelX,
posy: $posy + 10,
width: $labelWidth,
height: 5,
);
$pdf->addHTMLCell(
html: '<p style="' . $labelStyle . '">Radio – Option Two:</p>',
posx: $labelX,
posy: $posy + 15,
width: $labelWidth,
height: 5,
);
$pdf->addHTMLCell(
html: '<p style="' . $labelStyle . '">Radio – Option Three:</p>',
posx: $labelX,
posy: $posy + 20,
width: $labelWidth,
height: 5,
);
$ffrbid1 = $pdf->addFFRadioButton(name: 'test_radiobutton', posx: $posx, posy: $posy + 10, width: 5, onvalue: 'one');
$ffrbid2 = $pdf->addFFRadioButton(
name: 'test_radiobutton',
posx: $posx,
posy: $posy + 15,
width: 5,
onvalue: 'two',
checked: true,
);
$ffrbid3 = $pdf->addFFRadioButton(name: 'test_radiobutton', posx: $posx, posy: $posy + 20, width: 5, onvalue: 'three');
$pdf->page->addAnnotRef($ffrbid1);
$pdf->page->addAnnotRef($ffrbid2);
$pdf->page->addAnnotRef($ffrbid3);
// checkbox
$pdf->addHTMLCell(
html: '<p style="' . $labelStyle . '">Checkbox:</p>',
posx: $labelX,
posy: $posy + 30,
width: $labelWidth,
height: 5,
);
$ffckbxid1 = $pdf->addFFCheckBox('test_checkbox', $posx, $posy + 30, 5);
$pdf->page->addAnnotRef($ffckbxid1);
// combobox
$pdf->addHTMLCell(
html: '<p style="' . $labelStyle . '">Combo Box:</p>',
posx: $labelX,
posy: $posy + 40,
width: $labelWidth,
height: 5,
);
$ffcmbxid1 = $pdf->addFFComboBox('test_combobox', $posx, $posy + 40, 50, 5, [
['0', 'one'],
['1', 'two'],
['2', 'three'],
]);
$pdf->page->addAnnotRef($ffcmbxid1);
// listbox
$pdf->addHTMLCell(
html: '<p style="' . $labelStyle . '">List Box:</p>',
posx: $labelX,
posy: $posy + 50,
width: $labelWidth,
height: 5,
);
$fflsbxid1 = $pdf->addFFListBox(
'test_listbox',
$posx,
$posy + 50,
50,
15,
['one', 'two', 'three'],
['subtype' => 'Widget'],
['multipleSelection' => 'true'],
);
$pdf->page->addAnnotRef($fflsbxid1);
// button - reset form
$pdf->addHTMLCell(
html: '<p style="' . $labelStyle . '">Actions:</p>',
posx: $labelX,
posy: $posy + 70,
width: $labelWidth,
height: 5,
);
$ffbtnid1 = $pdf->addFFButton(
name: 'reset',
posx: $posx,
posy: $posy + 70,
width: 20,
height: 5,
caption: 'Reset',
action: ['S' => 'ResetForm'],
opt: ['subtype' => 'Widget'],
jsp: [
'lineWidth' => 2,
'borderStyle' => 'beveled',
'fillColor' => '#80c4ff',
'strokeColor' => '#404040',
],
);
$pdf->page->addAnnotRef($ffbtnid1);
// button - print document
$ffbtnid2 = $pdf->addFFButton(
name: 'print',
posx: $posx + 20,
posy: $posy + 70,
width: 20,
height: 5,
caption: 'Print',
action: 'Print()',
opt: ['subtype' => 'Widget'],
jsp: [
'lineWidth' => 2,
'borderStyle' => 'beveled',
'fillColor' => '#80c4ff',
'strokeColor' => '#404040',
],
);
$pdf->page->addAnnotRef($ffbtnid2);
// button - submit form
$ffbtnid3 = $pdf->addFFButton(
name: 'submit',
posx: $posx + 40,
posy: $posy + 70,
width: 20,
height: 5,
caption: 'Submit',
action: [
'S' => 'SubmitForm',
'F' => 'http://localhost/printvars.php',
'Flags' => ['ExportFormat'],
],
opt: ['subtype' => 'Widget'],
jsp: [
'lineWidth' => 2,
'borderStyle' => 'beveled',
'fillColor' => '#80c4ff',
'strokeColor' => '#404040',
],
);
$pdf->page->addAnnotRef($ffbtnid3);
// JavaScript form validation functions
$formjs = <<<EOD
function CheckField(name,message) {
var f = getField(name);
if(f.value == '') {
app.alert(message);
f.setFocus();
return false;
}
return true;
}
function Print() {
if(!CheckField('test_text','test_text is mandatory')) {return;}
print();
}
EOD;
// Add raw JavaScript code
$pdf->appendRawJavaScript(script: $formjs);
// =============================================================
// ----------
// get PDF document as raw string
$rawpdf = $pdf->getOutPDFString();
// ----------
// Various output modes:
//$pdf->savePDF(\dirname(__DIR__).'/target', $rawpdf);
$pdf->renderPDF(rawpdf: $rawpdf);
//$pdf->downloadPDF($rawpdf);
//echo $pdf->getMIMEAttachmentPDF($rawpdf);