45 lines
1.9 KiB
PHP
45 lines
1.9 KiB
PHP
<?php
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namespace Picqer\Barcode;
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class BarcodeGeneratorHTML extends BarcodeGenerator
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{
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/**
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* Return an HTML representation of barcode.
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* This original version uses pixel based widths and heights. Use Dynamic HTML version for better quality representation.
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*
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* @param string $barcode code to print
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* @param BarcodeGenerator::TYPE_* $type (string) type of barcode
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* @param int $widthFactor Width of a single bar element in pixels.
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* @param int $height Height of a single bar element in pixels.
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* @param string $foregroundColor Foreground color for bar elements as '#333' or 'orange' for example (background is transparent).
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* @return string HTML code.
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*/
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public function getBarcode($barcode, $type, int $widthFactor = 2, int $height = 30, string $foregroundColor = 'black'): string
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{
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$barcodeData = $this->getBarcodeData($barcode, $type);
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$html = '<div style="font-size:0;position:relative;width:' . ($barcodeData->getWidth() * $widthFactor) . 'px;height:' . ($height) . 'px;">' . PHP_EOL;
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$positionHorizontal = 0;
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/** @var BarcodeBar $bar */
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foreach ($barcodeData->getBars() as $bar) {
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$barWidth = round(($bar->getWidth() * $widthFactor), 3);
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$barHeight = round(($bar->getHeight() * $height / $barcodeData->getHeight()), 3);
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if ($bar->isBar() && $barWidth > 0) {
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$positionVertical = round(($bar->getPositionVertical() * $height / $barcodeData->getHeight()), 3);
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// draw a vertical bar
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$html .= '<div style="background-color:' . $foregroundColor . ';width:' . $barWidth . 'px;height:' . $barHeight . 'px;position:absolute;left:' . $positionHorizontal . 'px;top:' . $positionVertical . (($positionVertical > 0) ? 'px' : '') . '"> </div>' . PHP_EOL;
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}
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$positionHorizontal += $barWidth;
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}
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$html .= '</div>' . PHP_EOL;
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return $html;
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}
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}
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