Styles and Text Align
This demo creates some rich-text stamps with various alignments and positions.
PHP
<?php
// load and register the autoload function
require_once __DIR__ . '/../../../../../../bootstrap.php';
$text = <<<HTML
An <span style="color:#ff0000">example</span> text with <span style="font-size:200%;line-height: 0.9">some</span> more content<br/>
and <u>line-breaks</u> to be able to <i style="font-size: 14pt">align</i><br/>
the text at <b>all</b>.
HTML;
// we create a blank document to show the behavior
$writer = new \SetaPDF_Core_Writer_Http('stamped.pdf', true);
$document = new \SetaPDF_Core_Document($writer);
// let's create 3 pages for demonstration purpose
$pages = $document->getCatalog()->getPages();
$pages->create(\SetaPDF_Core_PageFormats::A4);
$pages->create(\SetaPDF_Core_PageFormats::A4);
$pages->create(\SetaPDF_Core_PageFormats::A4);
// create a stamper instance
$stamper = new \SetaPDF_Stamper($document);
require_once $classesDirectory . '/FontLoader.php';
$fontLoader = new \com\setasign\SetaPDF\Demos\FontLoader($assetsDirectory);
// create a stamp instance left aligned
$stampLeft = new \SetaPDF_Stamper_Stamp_RichText($document, $fontLoader);
$stampLeft->setDefaultFontFamily('DejaVuSans');
$stampLeft->setText($text);
$stampLeft->setAlign(\SetaPDF_Core_Text::ALIGN_LEFT);
$stamper->addStamp($stampLeft);
// create a stamp instance centered
$stampCenter = new \SetaPDF_Stamper_Stamp_RichText($document, $fontLoader);
$stampCenter->setDefaultFontFamily('DejaVuSans');
$stampCenter->setText($text);
$stampCenter->setAlign(\SetaPDF_Core_Text::ALIGN_CENTER);
$stamper->addStamp($stampCenter, [
'position' => \SetaPDF_Stamper::POSITION_CENTER_MIDDLE,
'translateY' => 140
]);
// create a stamp instance justified
$stampCenter = new \SetaPDF_Stamper_Stamp_RichText($document, $fontLoader);
$stampCenter->setDefaultFontFamily('DejaVuSans');
$stampCenter->setText($text);
$stampCenter->setAlign(\SetaPDF_Core_Text::ALIGN_JUSTIFY);
$stamper->addStamp($stampCenter, [
'position' => \SetaPDF_Stamper::POSITION_CENTER_MIDDLE,
'translateY' => -140
]);
// create a stamp instance right aligned
$stampRight = new \SetaPDF_Stamper_Stamp_RichText($document, $fontLoader);
$stampRight->setDefaultFontFamily('DejaVuSans');
$stampRight->setText($text);
$stampRight->setAlign(\SetaPDF_Core_Text::ALIGN_RIGHT);
$stamper->addStamp($stampRight, \SetaPDF_Stamper::POSITION_RIGHT_BOTTOM);
// execute the stamp process
$stamper->stamp();
// save and finish the document instance
$document->save()->finish();
PHP
<?php
namespace com\setasign\SetaPDF\Demos;
/**
* This is a simple, straight forward font-loader implementation.
* It should give you an idea of how to create your own.
*/
class FontLoader
{
/**
* @var \SetaPDF_Core_Font_Type0_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 \SetaPDF_Core_Document $document
* @param string $fontFamily
* @param string $fontStyle
* @return \SetaPDF_Core_Font_Type0_Subset
*/
public function __invoke(\SetaPDF_Core_Document $document, $fontFamily, $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') {
$font = new \SetaPDF_Core_Font_Type0_Subset($document, $dejaVufontPath . '-Bold.ttf');
} elseif ($fontFamily === 'DejaVuSans' && $fontStyle === 'I') {
$font = new \SetaPDF_Core_Font_Type0_Subset($document, $dejaVufontPath . '-Oblique.ttf');
} elseif ($fontFamily === 'DejaVuSans' && $fontStyle === 'BI') {
$font = new \SetaPDF_Core_Font_Type0_Subset($document, $dejaVufontPath . '-BoldOblique.ttf');
} else {
$font = new \SetaPDF_Core_Font_Type0_Subset($document, $dejaVufontPath . '.ttf');
}
$this->loadedFonts[$cacheKey] = $font;
}
return $this->loadedFonts[$cacheKey];
}
}