<?php
/**
* Class QRMarkup
*
* @filesource QRMarkup.php
* @created 17.12.2016
* @package chillerlan\QRCode\Output
* @author Smiley <smiley@chillerlan.net>
* @copyright 2016 Smiley
* @license MIT
*/
namespace chillerlan\QRCode\Output;
use chillerlan\QRCode\QRCode;
use function is_string, sprintf, strip_tags, trim;
/**
* Converts the matrix into markup types: HTML, SVG, ...
*/
class QRMarkup extends QROutputAbstract{
protected string $defaultMode = QRCode::OUTPUT_MARKUP_SVG;
/**
* @see \sprintf()
*/
protected string $svgHeader = '<svg xmlns="http://www.w3.org/2000/svg" class="qr-svg %1$s" '.
'style="width: 100%%; height: auto;" viewBox="0 0 %2$d %2$d">';
/**
* @inheritDoc
*/
protected function setModuleValues():void{
foreach($this::DEFAULT_MODULE_VALUES as $M_TYPE => $defaultValue){
$v = $this->options->moduleValues[$M_TYPE] ?? null;
if(!is_string($v)){
$this->moduleValues[$M_TYPE] = $defaultValue
? $this->options->markupDark
: $this->options->markupLight;
}
else{
$this->moduleValues[$M_TYPE] = trim(strip_tags($v), '\'"');
}
}
}
/**
* HTML output
*/
protected function html(string $file = null):string{
$html = empty($this->options->cssClass)
? '<div>'
: '<div class="'.$this->options->cssClass.'">';
$html .= $this->options->eol;
foreach($this->matrix->matrix() as $row){
$html .= '<div>';
foreach($row as $M_TYPE){
$html .= '<span style="background: '.$this->moduleValues[$M_TYPE].';"></span>';
}
$html .= '</div>'.$this->options->eol;
}
$html .= '</div>'.$this->options->eol;
if($file !== null){
return '<!DOCTYPE html>'.
'<head><meta charset="UTF-8"><title>QR Code</title></head>'.
'<body>'.$this->options->eol.$html.'</body>';
}
return $html;
}
/**
* SVG output
*
* @see https://github.com/codemasher/php-qrcode/pull/5
*/
protected function svg(string $file = null):string{
$matrix = $this->matrix->matrix();
$svg = sprintf($this->svgHeader, $this->options->cssClass, $this->options->svgViewBoxSize ?? $this->moduleCount)
.$this->options->eol
.'<defs>'.$this->options->svgDefs.'</defs>'
.$this->options->eol;
foreach($this->moduleValues as $M_TYPE => $value){
$path = '';
foreach($matrix as $y => $row){
//we'll combine active blocks within a single row as a lightweight compression technique
$start = null;
$count = 0;
foreach($row as $x => $module){
if($module === $M_TYPE){
$count++;
if($start === null){
$start = $x;
}
if(isset($row[$x + 1])){
continue;
}
}
if($count > 0){
$len = $count;
$start ??= 0; // avoid type coercion in sprintf() - phan happy
$path .= sprintf('M%s %s h%s v1 h-%sZ ', $start, $y, $len, $len);
// reset count
$count = 0;
$start = null;
}
}
}
if(!empty($path)){
$svg .= sprintf(
'<path class="qr-%s %s" stroke="transparent" fill="%s" fill-opacity="%s" d="%s" />',
$M_TYPE, $this->options->cssClass, $value, $this->options->svgOpacity, $path
);
}
}
// close svg
$svg .= '</svg>'.$this->options->eol;
// if saving to file, append the correct headers
if($file !== null){
return '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">'.
$this->options->eol.$svg;
}
if($this->options->imageBase64){
$svg = sprintf('data:image/svg+xml;base64,%s', base64_encode($svg));
}
return $svg;
}
}
