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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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use function is_string, sprintf, strip_tags, trim; |
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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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/** |
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* @var string |
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*/ |
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protected $defaultMode = QRCode::OUTPUT_MARKUP_SVG; |
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/** |
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* @see \sprintf() |
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* |
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* @var string |
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*/ |
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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">'; |
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/** |
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* @inheritDoc |
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*/ |
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protected function setModuleValues():void{ |
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foreach($this::DEFAULT_MODULE_VALUES as $M_TYPE => $defaultValue){ |
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$v = $this->options->moduleValues[$M_TYPE] ?? null; |
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if(!is_string($v)){ |
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$this->moduleValues[$M_TYPE] = $defaultValue |
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? $this->options->markupDark |
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: $this->options->markupLight; |
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} |
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else{ |
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$this->moduleValues[$M_TYPE] = trim(strip_tags($v), '\'"'); |
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} |
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} |
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} |
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/** |
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* @return string |
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*/ |
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protected function html():string{ |
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$html = '<div class="'.$this->options->cssClass.'">'.$this->options->eol; |
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foreach($this->matrix->matrix() as $row){ |
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$html .= '<div>'; |
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foreach($row as $M_TYPE){ |
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$html .= '<span style="background: '.$this->moduleValues[$M_TYPE].';"></span>'; |
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} |
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$html .= '</div>'.$this->options->eol; |
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} |
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$html .= '</div>'.$this->options->eol; |
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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 $html; |
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} |
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/** |
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* @link https://github.com/codemasher/php-qrcode/pull/5 |
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* |
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* @return string |
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*/ |
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protected function svg():string{ |
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$matrix = $this->matrix->matrix(); |
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$svg = sprintf($this->svgHeader, $this->options->cssClass, $this->options->svgViewBoxSize ?? $this->moduleCount) |
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.$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->moduleValues as $M_TYPE => $value){ |
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$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 = $x; |
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} |
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if(isset($row[$x + 1])){ |
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continue; |
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} |
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} |
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if($count > 0){ |
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$len = $count; |
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$path .= sprintf('M%s %s h%s v1 h-%sZ ', $start, $y, $len, $len); |
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// reset count |
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$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 .= sprintf('<path class="qr-%s %s" stroke="transparent" fill="%s" fill-opacity="%s" d="%s" />', $M_TYPE, $this->options->cssClass, $value, $this->options->svgOpacity, $path); |
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} |
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} |
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// close svg |
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$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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if($this->options->imageBase64){ |
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$svg = sprintf('data:image/svg+xml;base64,%s', base64_encode($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
