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<?php
/**
* Class QRMarkup
*
* @filesource QRMarkup.php
* @created 17.12.2016
* @package chillerlan\QRCode\Output
* @author Smiley <[email protected]>
* @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{
/**
* @var string
*/
protected $defaultMode = QRCode::OUTPUT_MARKUP_SVG;
/**
* @see \sprintf()
*
* @var string
*/
protected $svgHeader = '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" class="qr-svg %1$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), '\'"');
}
}
}
/**
* @return string
*/
protected function html():string{
$html = '<div class="'.$this->options->cssClass.'">'.$this->options->eol;
foreach($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($this->options->cachefile){
return '<!DOCTYPE html><head><meta charset="UTF-8"></head><body>'.$this->options->eol.$html.'</body>';
}
return $html;
}
/**
* @link https://github.com/codemasher/php-qrcode/pull/5
*
* @return string
*/
protected function svg():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;
$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($this->options->cachefile){
return '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">'.$this->options->eol.$svg;
}
if($this->options->imageBase64){
$svg = sprintf('data:image/svg+xml;base64,%s', base64_encode($svg));
}
return $svg;
}
}
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