87 lines
2.6 KiB
PHP
87 lines
2.6 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Endroid\QrCode\Matrix;
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use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeEnlarge;
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use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeInterface;
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use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeMargin;
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use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeShrink;
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final class Matrix implements MatrixInterface
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{
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private float $blockSize;
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private int $innerSize;
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private int $outerSize;
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private int $marginLeft;
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private int $marginRight;
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/** @param array<array<int>> $blockValues */
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public function __construct(
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private array $blockValues,
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int $size,
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int $margin,
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RoundBlockSizeModeInterface $roundBlockSizeMode
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) {
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$this->blockSize = $size / $this->getBlockCount();
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$this->innerSize = $size;
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$this->outerSize = $size + 2 * $margin;
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if ($roundBlockSizeMode instanceof RoundBlockSizeModeEnlarge) {
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$this->blockSize = intval(ceil($this->blockSize));
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$this->innerSize = intval($this->blockSize * $this->getBlockCount());
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$this->outerSize = $this->innerSize + 2 * $margin;
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} elseif ($roundBlockSizeMode instanceof RoundBlockSizeModeShrink) {
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$this->blockSize = intval(floor($this->blockSize));
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$this->innerSize = intval($this->blockSize * $this->getBlockCount());
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$this->outerSize = $this->innerSize + 2 * $margin;
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} elseif ($roundBlockSizeMode instanceof RoundBlockSizeModeMargin) {
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$this->blockSize = intval(floor($this->blockSize));
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$this->innerSize = intval($this->blockSize * $this->getBlockCount());
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}
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if ($this->blockSize < 1) {
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throw new \Exception('Too much data: increase image dimensions or lower error correction level');
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}
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$this->marginLeft = intval(($this->outerSize - $this->innerSize) / 2);
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$this->marginRight = $this->outerSize - $this->innerSize - $this->marginLeft;
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}
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public function getBlockValue(int $rowIndex, int $columnIndex): int
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{
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return $this->blockValues[$rowIndex][$columnIndex];
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}
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public function getBlockCount(): int
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{
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return count($this->blockValues[0]);
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}
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public function getBlockSize(): float
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{
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return $this->blockSize;
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}
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public function getInnerSize(): int
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{
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return $this->innerSize;
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}
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public function getOuterSize(): int
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{
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return $this->outerSize;
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}
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public function getMarginLeft(): int
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{
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return $this->marginLeft;
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}
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public function getMarginRight(): int
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{
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return $this->marginRight;
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}
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}
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