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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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/** |
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* @return string |
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*/ |
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View Code Duplication |
public function dump(){ |
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if($this->options->cachefile !== null && !is_writable(dirname($this->options->cachefile))){ |
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throw new QRCodeOutputException('Could not write data to cache file: '.$this->options->cachefile); |
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} |
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$data = $this->options->outputType === QRCode::OUTPUT_MARKUP_HTML |
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? $this->toHTML() |
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: $this->toSVG(); |
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if($this->options->cachefile !== null){ |
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$this->saveToFile($data); |
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} |
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return $data; |
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} |
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/** |
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* @return string|bool |
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*/ |
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protected function toHTML(){ |
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$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 $html; |
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} |
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/** |
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* @link https://github.com/codemasher/php-qrcode/pull/5 |
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* |
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* @return string|bool |
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*/ |
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protected function toSVG(){ |
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$length = ($this->moduleCount + ($this->options->addQuietzone ? 8 : 0)) * $this->options->scale; |
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// svg header |
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$svg = '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="'.$length.'" height="'.$length.'" viewBox="0 0 '.$length.' '.$length.'">'.$this->options->eol. |
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'<defs><style>rect{shape-rendering:crispEdges}</style></defs>'.$this->options->eol; |
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// @todo: optimize -> see https://github.com/alexeyten/qr-image/blob/master/lib/vector.js |
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foreach($this->options->moduleValues as $key => $value){ |
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// fallback |
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if(is_bool($value)){ |
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$value = $value ? '#000' : '#fff'; |
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} |
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// svg body |
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foreach($this->matrix->matrix() as $y => $row){ |
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//we'll combine active blocks within a single row as a lightweight compression technique |
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$from = -1; |
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$count = 0; |
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foreach($row as $x => $pixel){ |
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if($pixel === $key){ |
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$count++; |
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if($from < 0){ |
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$from = $x; |
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} |
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} |
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elseif($from >= 0){ |
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$svg .= '<rect x="'.($from * $this->options->scale).'" y="'.($y * $this->options->scale) |
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.'" width="'.($this->options->scale * $count).'" height="'.$this->options->scale.'" fill="'.$value.'"' |
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.(trim($this->options->cssClass) !== '' ? ' class="'.$this->options->cssClass.'"' :'').' />' |
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.$this->options->eol; |
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// reset count |
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$from = -1; |
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$count = 0; |
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} |
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} |
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// close off the row, if applicable |
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if($from >= 0){ |
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$svg .= '<rect x="'.($from * $this->options->scale).'" y="'.($y * $this->options->scale) |
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.'" width="'.($this->options->scale * $count).'" height="'.$this->options->scale.'" class="'.$this->options->cssClass.'" fill="'.$value.'" />'.$this->options->eol; |
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} |
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} |
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} |
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// close svg |
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$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
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This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.