初始化

vendor/endroid/qr-code/src/Matrix/Matrix.php

@@ -0,0 +1,90 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Matrix;
+
+use Endroid\QrCode\RoundBlockSizeMode;
+
+final class Matrix implements MatrixInterface
+{
+    private readonly float $blockSize;
+    private readonly int $innerSize;
+    private readonly int $outerSize;
+    private readonly int $marginLeft;
+    private readonly int $marginRight;
+
+    /** @param array<array<int>> $blockValues */
+    public function __construct(
+        private array $blockValues,
+        int $size,
+        int $margin,
+        RoundBlockSizeMode $roundBlockSizeMode
+    ) {
+        $blockSize = $size / $this->getBlockCount();
+        $innerSize = $size;
+        $outerSize = $size + 2 * $margin;
+
+        switch ($roundBlockSizeMode) {
+            case RoundBlockSizeMode::Enlarge:
+                $blockSize = intval(ceil($blockSize));
+                $innerSize = intval($blockSize * $this->getBlockCount());
+                $outerSize = $innerSize + 2 * $margin;
+                break;
+            case RoundBlockSizeMode::Shrink:
+                $blockSize = intval(floor($blockSize));
+                $innerSize = intval($blockSize * $this->getBlockCount());
+                $outerSize = $innerSize + 2 * $margin;
+                break;
+            case RoundBlockSizeMode::Margin:
+                $blockSize = intval(floor($blockSize));
+                $innerSize = intval($blockSize * $this->getBlockCount());
+                break;
+        }
+
+        if ($blockSize < 1) {
+            throw new \Exception('Too much data: increase image dimensions or lower error correction level');
+        }
+
+        $this->blockSize = $blockSize;
+        $this->innerSize = $innerSize;
+        $this->outerSize = $outerSize;
+        $this->marginLeft = intval(($this->outerSize - $this->innerSize) / 2);
+        $this->marginRight = $this->outerSize - $this->innerSize - $this->marginLeft;
+    }
+
+    public function getBlockValue(int $rowIndex, int $columnIndex): int
+    {
+        return $this->blockValues[$rowIndex][$columnIndex];
+    }
+
+    public function getBlockCount(): int
+    {
+        return count($this->blockValues[0]);
+    }
+
+    public function getBlockSize(): float
+    {
+        return $this->blockSize;
+    }
+
+    public function getInnerSize(): int
+    {
+        return $this->innerSize;
+    }
+
+    public function getOuterSize(): int
+    {
+        return $this->outerSize;
+    }
+
+    public function getMarginLeft(): int
+    {
+        return $this->marginLeft;
+    }
+
+    public function getMarginRight(): int
+    {
+        return $this->marginRight;
+    }
+}