From d40fdd1aeb62acbc1719cb07e19073c0cbf715d7 Mon Sep 17 00:00:00 2001
From: Oliver Vogel <oliver@olivervogel.com>
Date: Fri, 10 Jan 2025 17:57:31 +0100
Subject: [PATCH] Re-apply animation details

---
 src/Drivers/Imagick/Modifiers/CropModifier.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/Drivers/Imagick/Modifiers/CropModifier.php b/src/Drivers/Imagick/Modifiers/CropModifier.php
index a6744f12..e5e1421c 100644
--- a/src/Drivers/Imagick/Modifiers/CropModifier.php
+++ b/src/Drivers/Imagick/Modifiers/CropModifier.php
@@ -18,14 +18,24 @@ public function apply(ImageInterface $image): ImageInterface
             $this->driver()->handleInput($this->background)
         );
 
+        // create empty container imagick to rebuild core
         $imagick = new Imagick();
         $resolution = $image->resolution()->perInch();
 
         foreach ($image as $frame) {
+            // create new frame canvas with modifiers background
             $canvas = new Imagick();
             $canvas->newImage($crop->width(), $crop->height(), $background, 'png');
             $canvas->setImageResolution($resolution->x(), $resolution->y());
 
+            // set animation details
+            if ($image->isAnimated()) {
+                $canvas->setImageDelay($frame->native()->getImageDelay());
+                $canvas->setImageIterations($frame->native()->getImageIterations());
+                $canvas->setImageDispose($frame->native()->getImageDispose());
+            }
+
+            // place original frame content onto the empty colored frame canvas
             $canvas->compositeImage(
                 $frame->native(),
                 Imagick::COMPOSITE_OVER,
@@ -33,6 +43,7 @@ public function apply(ImageInterface $image): ImageInterface
                 ($crop->pivot()->y() + $this->offset_y) * -1,
             );
 
+            // copy alpha channel if available
             if ($frame->native()->getImageAlphaChannel()) {
                 $canvas->compositeImage(
                     $frame->native(),
@@ -42,9 +53,11 @@ public function apply(ImageInterface $image): ImageInterface
                 );
             }
 
+            // add newly built frame to container imagick
             $imagick->addImage($canvas);
         }
 
+        // replace imagick
         $image->core()->setNative($imagick);
 
         return $image;