152 lines
3.3 KiB
PHP
152 lines
3.3 KiB
PHP
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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 <smiley@chillerlan.net>
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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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