70 lines
2.0 KiB
PHP
70 lines
2.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Endroid\QrCode\Writer\Result;
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use Endroid\QrCode\Color\ColorInterface;
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use Endroid\QrCode\Matrix\MatrixInterface;
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class ConsoleResult extends AbstractResult
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{
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private const TWO_BLOCKS = [
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0 => ' ',
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1 => "\xe2\x96\x80",
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2 => "\xe2\x96\x84",
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3 => "\xe2\x96\x88",
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];
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private string $colorEscapeCode;
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public function __construct(
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MatrixInterface $matrix,
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ColorInterface $foreground,
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ColorInterface $background
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) {
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parent::__construct($matrix);
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$this->colorEscapeCode = sprintf(
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"\e[38;2;%d;%d;%dm\e[48;2;%d;%d;%dm",
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$foreground->getRed(),
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$foreground->getGreen(),
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$foreground->getBlue(),
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$background->getRed(),
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$background->getGreen(),
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$background->getBlue()
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);
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}
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public function getMimeType(): string
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{
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return 'text/plain';
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}
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public function getString(): string
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{
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$matrix = $this->getMatrix();
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$side = $matrix->getBlockCount();
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$marginLeft = $this->colorEscapeCode.self::TWO_BLOCKS[0].self::TWO_BLOCKS[0];
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$marginRight = self::TWO_BLOCKS[0].self::TWO_BLOCKS[0]."\e[0m".PHP_EOL;
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$marginVertical = $marginLeft.str_repeat(self::TWO_BLOCKS[0], $side).$marginRight;
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$qrCodeString = $marginVertical;
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for ($rowIndex = 0; $rowIndex < $side; $rowIndex += 2) {
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$qrCodeString .= $marginLeft;
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for ($columnIndex = 0; $columnIndex < $side; ++$columnIndex) {
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$combined = $matrix->getBlockValue($rowIndex, $columnIndex);
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if ($rowIndex + 1 < $side) {
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$combined |= $matrix->getBlockValue($rowIndex + 1, $columnIndex) << 1;
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}
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$qrCodeString .= self::TWO_BLOCKS[$combined];
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}
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$qrCodeString .= $marginRight;
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}
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$qrCodeString .= $marginVertical;
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return $qrCodeString;
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}
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}
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