Different Font-Styles
A simple demo showing the usage of different font styles (bold, italic, underline) with the use of a rich-text stamp.
PHP
<?php
use setasign\SetaPDF2\Demos\FontLoader;
use setasign\SetaPDF2\Core\Document;
use setasign\SetaPDF2\Core\Writer\HttpWriter;
use setasign\SetaPDF2\Stamper\Stamp\RichTextStamp;
use setasign\SetaPDF2\Stamper\Stamper;
// load and register the autoload function
require_once __DIR__ . '/../../../../../../bootstrap.php';
// create a writer
$writer = new HttpWriter('styled.pdf', true);
// get a document instance
$document = Document::loadByFilename(
$assetsDirectory . '/pdfs/lenstown/Laboratory-Report.pdf',
$writer
);
/* Font styles are done by using different font programs for each style. To
* benefit from font subsetting, we need to create a callback that will create
* the right font instances for us. See FontLoader.php for details:
*/
require_once $classesDirectory . '/FontLoader.php';
$fontLoader = new FontLoader($assetsDirectory);
// now simply create a stamp instance
$stamp = new RichTextStamp($document, $fontLoader);
$stamp->setDefaultFontFamily('DejaVuSans');
$stamp->setDefaultFontSize(10);
// pass an HTML like text to format the output
$stamp->setText(<<<HTML
This document is licensed to <b><u>test@example.com</u></b> and was created on <i>www.setasign.com</i>.
HTML
);
// create a stamper instance
$stamper = new Stamper($document);
// pass the stamp instance
$stamper->addStamp($stamp, [
'position' => Stamper::POSITION_CENTER_TOP,
'translateY' => -5
]);
// stamp the document
$stamper->stamp();
// save and send it to the client
$document->save()->finish();
PHP
<?php
namespace setasign\SetaPDF2\Demos;
use setasign\SetaPDF2\Core\Document;
use setasign\SetaPDF2\Core\Font\Type0\Subset;
/**
* This is a simple, straight forward font-loader implementation.
* It should give you an idea of how to create your own.
*/
class FontLoader
{
/**
* @var Subset[]
*/
protected $loadedFonts = [];
/**
* @var string
*/
protected $assetsDirectory;
/**
* @param $assetsDirectory
* @param $loadedFonts
*/
public function __construct($assetsDirectory, &$loadedFonts = [])
{
$this->assetsDirectory = $assetsDirectory;
$this->loadedFonts = &$loadedFonts;
}
/**
* This is the method that is called when a font is requested.
*
* @param Document $document
* @param string $fontFamily
* @param string $fontStyle
* @return Subset
*/
public function __invoke(Document $document, string $fontFamily, string $fontStyle)
{
$cacheKey = $document->getInstanceIdent() . '_' . $fontFamily . '_' . $fontStyle;
if (!array_key_exists($cacheKey, $this->loadedFonts)) {
$dejavuFontPath = $this->assetsDirectory . '/fonts/DejaVu/ttf/DejaVuSans';
if ($fontFamily === 'DejaVuSans' && $fontStyle === 'B') {
$font = new Subset($document, $dejavuFontPath . '-Bold.ttf');
} elseif ($fontFamily === 'DejaVuSans' && $fontStyle === 'I') {
$font = new Subset($document, $dejavuFontPath . '-Oblique.ttf');
} elseif ($fontFamily === 'DejaVuSans' && $fontStyle === 'BI') {
$font = new Subset($document, $dejavuFontPath . '-BoldOblique.ttf');
} else {
$font = new Subset($document, $dejavuFontPath . '.ttf');
}
$this->loadedFonts[$cacheKey] = $font;
}
return $this->loadedFonts[$cacheKey];
}
}