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<?php |
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/** |
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* Class QRMarkup |
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* |
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* @filesource QRMarkup.php |
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* @created 17.12.2016 |
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* @package chillerlan\QRCode\Output |
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* @author Smiley <[email protected]> |
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* @copyright 2016 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\QRCode\Output; |
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use chillerlan\QRCode\QRCode; |
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/** |
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* Converts the matrix into markup types: HTML, SVG, ... |
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*/ |
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class QRMarkup extends QROutputAbstract{ |
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protected $defaultMode = QRCode::OUTPUT_MARKUP_SVG; |
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/** |
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* @return string|bool |
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*/ |
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protected function html(){ |
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$html = ''; |
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foreach($this->matrix->matrix() as $row){ |
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$html .= '<div>'; |
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foreach($row as $pixel){ |
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$html .= '<span style="background: '.($this->options->moduleValues[$pixel] ?: 'lightgrey').';"></span>'; |
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} |
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$html .= '</div>'.$this->options->eol; |
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} |
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if($this->options->cachefile){ |
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return '<!DOCTYPE html><head><meta charset="UTF-8"></head><body>'.$this->options->eol.$html.'</body>'; |
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} |
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return $html; |
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} |
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/** |
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* @link https://github.com/codemasher/php-qrcode/pull/5 |
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* |
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* @return string|bool |
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*/ |
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protected function svg(){ |
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$scale = $this->options->scale; |
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$length = $this->moduleCount * $scale; |
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$matrix = $this->matrix->matrix(); |
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$svg = '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="'.$length.'px" height="'.$length.'px">' |
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.$this->options->eol |
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.'<defs>'.$this->options->svgDefs.'</defs>' |
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.$this->options->eol; |
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foreach($this->options->moduleValues as $M_TYPE => $value){ |
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// fallback |
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if(is_bool($value)){ |
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$value = $value ? '#000' : '#fff'; |
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} |
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$path = ''; |
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foreach($matrix as $y => $row){ |
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//we'll combine active blocks within a single row as a lightweight compression technique |
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$start = null; |
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$count = 0; |
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foreach($row as $x => $module){ |
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if($module === $M_TYPE){ |
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$count++; |
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if($start === null){ |
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$start = $x * $scale; |
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} |
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if($row[$x + 1] ?? false){ |
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continue; |
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} |
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} |
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if($count > 0){ |
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$len = $count * $scale; |
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$path .= 'M' .$start. ' ' .($y * $scale). ' h'.$len.' v'.$scale.' h-'.$len.'Z '; |
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// reset count |
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$count = 0; |
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$start = null; |
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} |
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} |
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} |
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if(!empty($path)){ |
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$svg .= '<path class="qr-'.$M_TYPE.' '.$this->options->cssClass.'" stroke="transparent" fill="'.$value.'" fill-opacity="'.$this->options->svgOpacity.'" d="'.$path.'" />'; |
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} |
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} |
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// close svg |
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$svg .= '</svg>'.$this->options->eol; |
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// if saving to file, append the correct headers |
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if($this->options->cachefile){ |
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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; |
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} |
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return $svg; |
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} |
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} |
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chillerlan /
php-qrcode
