From e9ecab2a549db5d943244114c37b222a6e589952 Mon Sep 17 00:00:00 2001
From: Oliver Vogel <oliver@olivervogel.com>
Date: Thu, 21 Dec 2023 21:25:17 +0100
Subject: [PATCH] Implement Jpeg2000 encoding with Imagick driver

---
 .../Imagick/Encoders/Jpeg2000Encoder.php      | 33 +++++++++++++++++++
 src/Encoders/Jpeg2000Encoder.php              | 10 ++++++
 src/Image.php                                 | 22 +++++++++++++
 src/Interfaces/ImageInterface.php             |  8 +++++
 4 files changed, 73 insertions(+)
 create mode 100644 src/Drivers/Imagick/Encoders/Jpeg2000Encoder.php
 create mode 100644 src/Encoders/Jpeg2000Encoder.php

diff --git a/src/Drivers/Imagick/Encoders/Jpeg2000Encoder.php b/src/Drivers/Imagick/Encoders/Jpeg2000Encoder.php
new file mode 100644
index 00000000..1ff0a95a
--- /dev/null
+++ b/src/Drivers/Imagick/Encoders/Jpeg2000Encoder.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Intervention\Image\Drivers\Imagick\Encoders;
+
+use Imagick;
+use Intervention\Image\Drivers\DriverSpecializedEncoder;
+use Intervention\Image\EncodedImage;
+use Intervention\Image\Interfaces\ImageInterface;
+use Intervention\Image\Interfaces\EncodedImageInterface;
+
+/**
+ * @property int $quality
+ */
+class Jpeg2000Encoder extends DriverSpecializedEncoder
+{
+    public function encode(ImageInterface $image): EncodedImageInterface
+    {
+        $format = 'jp2';
+        $compression = Imagick::COMPRESSION_JPEG;
+
+        $imagick = $image->core()->native();
+        $imagick->setImageBackgroundColor('white');
+        $imagick->setBackgroundColor('white');
+        $imagick->setFormat($format);
+        $imagick->setImageFormat($format);
+        $imagick->setCompression($compression);
+        $imagick->setImageCompression($compression);
+        $imagick->setCompressionQuality($this->quality);
+        $imagick->setImageCompressionQuality($this->quality);
+
+        return new EncodedImage($imagick->getImagesBlob(), 'image/jp2');
+    }
+}
diff --git a/src/Encoders/Jpeg2000Encoder.php b/src/Encoders/Jpeg2000Encoder.php
new file mode 100644
index 00000000..0eb60a54
--- /dev/null
+++ b/src/Encoders/Jpeg2000Encoder.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Intervention\Image\Encoders;
+
+class Jpeg2000Encoder extends AbstractEncoder
+{
+    public function __construct(public int $quality = 75)
+    {
+    }
+}
diff --git a/src/Image.php b/src/Image.php
index c7f09f77..d8139748 100644
--- a/src/Image.php
+++ b/src/Image.php
@@ -17,6 +17,7 @@ use Intervention\Image\Encoders\BmpEncoder;
 use Intervention\Image\Encoders\FileExtensionEncoder;
 use Intervention\Image\Encoders\FilePathEncoder;
 use Intervention\Image\Encoders\GifEncoder;
+use Intervention\Image\Encoders\Jpeg2000Encoder;
 use Intervention\Image\Encoders\JpegEncoder;
 use Intervention\Image\Encoders\MediaTypeEncoder;
 use Intervention\Image\Encoders\PngEncoder;
@@ -812,6 +813,27 @@ final class Image implements ImageInterface, Countable
         return $this->toJpeg($quality);
     }
 
+    /**
+     * {@inheritdoc}
+     *
+     * @see ImageInterface::toJpeg()
+     */
+    public function toJpeg2000(int $quality = 75): EncodedImageInterface
+    {
+        return $this->encode(new Jpeg2000Encoder($quality));
+    }
+
+    /**
+     * ALias of self::toJpeg2000()
+     *
+     * @param  int $quality
+     * @return EncodedImageInterface
+     */
+    public function toJp2(int $quality = 75): EncodedImageInterface
+    {
+        return $this->toJpeg2000($quality);
+    }
+
     /**
      * {@inheritdoc}
      *
diff --git a/src/Interfaces/ImageInterface.php b/src/Interfaces/ImageInterface.php
index bd5affda..af7383f0 100644
--- a/src/Interfaces/ImageInterface.php
+++ b/src/Interfaces/ImageInterface.php
@@ -603,6 +603,14 @@ interface ImageInterface extends IteratorAggregate, Countable
      */
     public function toJpeg(int $quality = 75): EncodedImageInterface;
 
+    /**
+     * Encode image to Jpeg2000 format
+     *
+     * @param int $quality
+     * @return EncodedImageInterface
+     */
+    public function toJpeg2000(int $quality = 75): EncodedImageInterface;
+
     /**
      * Encode image to Webp format
      *