# woocommerce-pos/1.10.8/includes/Services/Pdf_Renderer.php
WCPOS – Point of Sale (POS) plugin for WooCommerce, version 1.10.8. 306 lines.
- Page: https://pluginprobe.com/plugins/woocommerce-pos/1.10.8/code/includes/Services/Pdf_Renderer.php
- Raw: https://pluginprobe.com/plugins/woocommerce-pos/1.10.8/raw/includes/Services/Pdf_Renderer.php
- Modified: 2026-08-25T07:52:20+00:00
Line numbers below start at 1. Link to a line or a range by appending a fragment to the
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```php
prepare_html_for_render( $html, $opts );
$paper = isset( $opts['paper'] ) ? $opts['paper'] : 'A4';
if ( ! empty( $opts['fit_height'] ) && \is_array( $paper ) ) {
$opts['paper'] = $this->fit_height_paper( $html, $opts, $paper );
}
return (string) $this->build( $html, $opts )->output();
}
/**
* Prepare receipt HTML for Dompdf's locked-down render environment.
*
* @param string $html HTML document to render.
* @param array $opts Render options.
*
* @return string Prepared HTML.
*/
private function prepare_html_for_render( string $html, array $opts ): string {
// Opt-in: the rewrite encodes receipt-layout knowledge (including legacy
// template class names), so it is only applied when the caller asks for it
// (receipt rendering) rather than for every generic HTML document.
if ( ! empty( $opts['receipt_layout'] ) ) {
$preprocessor = new Pdf_Layout_Preprocessor();
$html = $preprocessor->process( $html );
// The preprocessor owns full-document detection so the two sides
// can never disagree about which treatment an input received.
if ( $preprocessor->is_full_document() ) {
// Full HTML documents (the legacy-php receipt template) keep
// their own stylesheet, charset and Dompdf's default
// page margins; the preprocessor rewrote their flex containers
// (inline-styled and known legacy classes) in place.
return $this->embed_local_images( $html );
}
// Match the browser preview: the template's own root padding is
// the only whitespace around the receipt, so it replaces Dompdf's
// default 1.2cm page margin (and keeps later pages consistent
// with page one).
$margins = $preprocessor->get_page_margins_pt();
$page_style = '';
// Receipts are UTF-8 fragments with no charset declaration;
// without one Dompdf sniffs the encoding and mostly-ASCII
// receipts with a stray multibyte character (e.g. an em dash)
// get mis-decoded.
$charset_meta = '';
$html = $this->inject_head_styles( $html, $charset_meta . $page_style );
}
return $this->embed_local_images( $html );
}
/**
* Format a float for CSS output, immune to LC_NUMERIC comma locales.
*
* @param float $value The value to format.
*
* @return string The formatted number.
*/
private static function css_number( float $value ): string {
$formatted = rtrim( rtrim( number_format( $value, 2, '.', '' ), '0' ), '.' );
return '' === $formatted ? '0' : $formatted;
}
/**
* Prepend compatibility stylesheets to the receipt HTML.
*
* Inserted just before `` when the HTML is a full document, otherwise
* prepended to the fragment (Dompdf wraps loose markup in html/body itself).
* Placing the stylesheet last in the head lets its `!important` rules win the
* cascade over template styles.
*
* @param string $html The receipt HTML.
* @param string $styles The