107 lines
4.7 KiB
PHP
107 lines
4.7 KiB
PHP
<?php
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namespace addons\qrcode\library;
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use Endroid\QrCode\Builder\Builder;
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use Endroid\QrCode\Color\Color;
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use Endroid\QrCode\Encoding\Encoding;
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use Endroid\QrCode\ErrorCorrectionLevel;
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use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelHigh;
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use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelLow;
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use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelMedium;
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use Endroid\QrCode\Label\Alignment\LabelAlignmentCenter;
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use Endroid\QrCode\Label\Alignment\LabelAlignmentRight;
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use Endroid\QrCode\Label\Font\Font;
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use Endroid\QrCode\Label\Font\NotoSans;
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use Endroid\QrCode\Label\Label;
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use Endroid\QrCode\Label\Margin\Margin;
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use Endroid\QrCode\Logo\Logo;
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use Endroid\QrCode\QrCode;
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use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeMargin;
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use Endroid\QrCode\Writer\PngWriter;
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use Endroid\QrCode\Writer\Result\ResultInterface;
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use Endroid\QrCode\Writer\SvgWriter;
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class Service
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{
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/**
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* 生成二维码
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* @param $params
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* @return ResultInterface
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*/
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public static function qrcode($params)
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{
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$config = get_addon_config('qrcode');
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$params = is_array($params) ? $params : [$params];
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$params = array_merge($config, $params);
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$params['padding'] = intval($params['padding'] ?? $config['padding']);
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$params['labelfontpath'] = ROOT_PATH . 'public' . $config['labelfontpath'];
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$params['logopath'] = ROOT_PATH . 'public' . $config['logopath'];
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// 前景色
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list($r, $g, $b) = sscanf($params['foreground'] ?? $config['foreground'], "#%02x%02x%02x");
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$foregroundColor = new Color($r, $g, $b);
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// 背景色
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list($r, $g, $b) = sscanf($params['background'] ?? $config['background'], "#%02x%02x%02x");
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$backgroundColor = new Color($r, $g, $b);
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if ($params['label'] ?? '') {
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list($r, $g, $b) = sscanf($params['labelfontcolor'] ?? ($config['labelfontcolor'] ?? '#000000'), "#%02x%02x%02x");
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$labelTextColor = new Color($r, $g, $b);
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if (isset($params['labelalignment']) && in_array($params['labelalignment'], ['left', 'right', 'center'])) {
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$params['labelalignment'] = ucfirst($params['labelalignment']);
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$className = "\Endroid\QrCode\Label\Alignment\LabelAlignment{$params['labelalignment']}";
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$alignment = new $className();
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}
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//边距：上/右/下/左
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$labelMarginArr = [0, $params['padding'], $params['padding'], $params['padding']];
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if (isset($params['labelmargin'])) {
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$labelmargin = $params['labelmargin'];
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$labelMarginArrTemp = explode(' ', $labelmargin);
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if (count($labelMarginArrTemp) < 4) {
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$labelMarginArr = array_merge($labelMarginArrTemp, array_slice($labelMarginArr, count($labelMarginArrTemp), 4 - count($labelMarginArrTemp)));
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} else {
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$labelMarginArr = $labelMarginArrTemp;
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}
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}
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// 底边距最小2，避免文本被截断
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$labelMarginArr[2] = max(2, $labelMarginArr[2]);
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$label = Label::create($params['label'])
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->setFont(new Font($params['labelfontpath'], $params['labelfontsize']))
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->setAlignment($alignment ?? new LabelAlignmentCenter())
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->setMargin(new Margin(...$labelMarginArr))
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->setTextColor($labelTextColor);
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}
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// Logo
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if (isset($params['logo']) && $params['logo'] && $params['logopath'] && file_exists($params['logopath'])) {
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$logo = Logo::create($params['logopath'])
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->setResizeToWidth($params['logosize']);
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}
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if (($params['errorlevel'] ?? '') && in_array($params['errorlevel'], ['low', 'medium', 'quartile', 'high'])) {
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$params['errorlevel'] = ucfirst($params['errorlevel']);
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$className = "\Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevel{$params['errorlevel']}";
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$errorCorrectionLevel = new $className();
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}
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// 二维码
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$qrcode = QrCode::create($params['text'] ?? $config['text'])
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->setEncoding(new Encoding('UTF-8'))
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->setErrorCorrectionLevel($errorCorrectionLevel ?? new ErrorCorrectionLevelMedium())
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->setSize(intval($params['size'] ?? $config['size']))
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->setMargin($params['padding'])
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->setRoundBlockSizeMode(new RoundBlockSizeModeMargin())
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->setForegroundColor($foregroundColor)
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->setBackgroundColor($backgroundColor);
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$write = isset($params['format']) && $params['format'] === 'svg' ? new SvgWriter() : new PngWriter();
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$result = $write->write($qrcode, $logo ?? null, $label ?? null, ['exclude_xml_declaration' => true]);
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return $result;
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}
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}
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