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<?php namespace Picqer\Barcode; class BarcodeGeneratorSVG extends BarcodeGenerator { /** * Return a SVG string representation of barcode. * * @param $barcode (string) code to print * @param $type (const) type of barcode * @param $widthFactor (int) Minimum width of a single bar in user units. * @param $height (int) Height of barcode in user units. * @param $foregroundColor (string) Foreground color (in SVG format) for bar elements (background is transparent). * @return string SVG code. * @public */ public function getBarcode($barcode, $type, int $widthFactor = 2, int $height = 30, string $foregroundColor = 'black') { $barcodeData = $this->getBarcodeData($barcode, $type); // replace table for special characters $repstr = ["\0" => '', '&' => '&', '<' => '<', '>' => '>']; $width = round(($barcodeData->getWidth() * $widthFactor), 3); $svg = '<?xml version="1.0" standalone="no" ?>' . PHP_EOL; $svg .= '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">' . PHP_EOL; $svg .= '<svg width="' . $width . '" height="' . $height . '" viewBox="0 0 ' . $width . ' ' . $height . '" version="1.1" xmlns="http://www.w3.org/2000/svg">' . PHP_EOL; $svg .= "\t" . '<desc>' . strtr($barcodeData->getBarcode(), $repstr) . '</desc>' . PHP_EOL; $svg .= "\t" . '<g id="bars" fill="' . $foregroundColor . '" stroke="none">' . PHP_EOL; // print bars $positionHorizontal = 0; /** @var BarcodeBar $bar */ foreach ($barcodeData->getBars() as $bar) { $barWidth = round(($bar->getWidth() * $widthFactor), 3); $barHeight = round(($bar->getHeight() * $height / $barcodeData->getHeight()), 3); if ($bar->isBar() && $barWidth > 0) { $positionVertical = round(($bar->getPositionVertical() * $height / $barcodeData->getHeight()), 3); // draw a vertical bar $svg .= "\t\t" . '<rect x="' . $positionHorizontal . '" y="' . $positionVertical . '" width="' . $barWidth . '" height="' . $barHeight . '" />' . PHP_EOL; } $positionHorizontal += $barWidth; } $svg .= "\t</g>" . PHP_EOL; $svg .= '</svg>' . PHP_EOL; return $svg; } }
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