This change introduces ImageLines, an interface for adding randomized lines to captcha images for enhanced security. The interface has been implemented in the Lines class. The goal is to randomize lines on captcha images to prevent bot reads.

app/Captcha/Contracts/ImageLines.php

@@ -0,0 +1,8 @@
+<?php declare(strict_types=1);
+
+namespace App\Captcha\Contracts;
+
+interface ImageLines
+{
+    public function processing(Image $image, array $colors, int $lines = 3): Image;
+}

app/Captcha/Images/Lines.php

@@ -0,0 +1,36 @@
+<?php declare(strict_types=1);
+
+namespace App\Captcha\Images;
+
+use App\Captcha\Contracts\ImageLines;
+use Illuminate\Support\Arr;
+use App\Captcha\Contracts\Image as ImageContract;
+
+class Lines implements ImageLines
+{
+    public function processing(ImageContract $image, array $colors, $lines = 3): ImageContract
+    {
+        $imageWidth = $image->getWidth();
+        $imageHeight = $image->getHeight();
+        for ($i = 0; $i <= $lines; $i++) {
+            $image->addLine(
+                x1: mt_rand(0, $imageWidth) + $i * mt_rand(0, $imageHeight),
+                y1: mt_rand(0, $imageHeight),
+                x2: mt_rand(0, $imageWidth),
+                y2: mt_rand(0, $imageHeight),
+                hexColor: $this->lineColors($colors)
+            );
+        }
+
+        return $image;
+    }
+
+    private function lineColors(array $colors): string
+    {
+        if (!empty($colors)) {
+            return Arr::random($colors);
+        }
+
+        return '#' . str_pad(dechex(mt_rand(0, 0xFFFFFF)), 6, '0', STR_PAD_LEFT);
+    }
+}