77 lines
1.5 KiB
PHP
77 lines
1.5 KiB
PHP
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<?php
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/**
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* Class QRStringText
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*
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* @created 25.10.2023
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* @author smiley <smiley@chillerlan.net>
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* @copyright 2023 smiley
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* @license MIT
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*/
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namespace chillerlan\QRCode\Output;
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use function array_map, implode, is_string, max, min, sprintf;
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/**
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*
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*/
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class QRStringText extends QROutputAbstract{
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public const MIME_TYPE = 'text/plain';
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/**
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* @inheritDoc
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*/
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public static function moduleValueIsValid($value):bool{
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return is_string($value);
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}
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/**
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* @inheritDoc
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*/
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protected function prepareModuleValue($value):string{
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return $value;
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}
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/**
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* @inheritDoc
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*/
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protected function getDefaultModuleValue(bool $isDark):string{
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return ($isDark) ? '██' : '░░';
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}
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/**
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* @inheritDoc
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*/
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public function dump(string $file = null):string{
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$lines = [];
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$linestart = $this->options->textLineStart;
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foreach($this->matrix->getMatrix() as $row){
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$lines[] = $linestart.implode('', array_map([$this, 'getModuleValue'], $row));
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}
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$data = implode($this->eol, $lines);
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$this->saveToFile($data, $file);
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return $data;
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}
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/**
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* a little helper to create a proper ANSI 8-bit color escape sequence
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*
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* @see https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit
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* @see https://en.wikipedia.org/wiki/Block_Elements
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*
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* @codeCoverageIgnore
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*/
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public static function ansi8(string $str, int $color, bool $background = null):string{
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$color = max(0, min($color, 255));
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$background = ($background === true) ? 48 : 38;
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return sprintf("\x1b[%s;5;%sm%s\x1b[0m", $background, $color, $str);
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}
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}
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