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