From 8b409f3870f057c4f54306668a4b71f39acd2be9 Mon Sep 17 00:00:00 2001
From: Oliver Vogel <oliver@olivervogel.com>
Date: Sat, 6 Jan 2024 14:16:56 +0100
Subject: [PATCH] Fix bug

Imagick renders full transparent colors as black. But I want to render a
color like "rgba(255, 255, 255, 0)" as white in a image with no
transparency.
---
 src/Drivers/Imagick/Encoders/JpegEncoder.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Drivers/Imagick/Encoders/JpegEncoder.php b/src/Drivers/Imagick/Encoders/JpegEncoder.php
index c95ab1fa..acedb9f6 100644
--- a/src/Drivers/Imagick/Encoders/JpegEncoder.php
+++ b/src/Drivers/Imagick/Encoders/JpegEncoder.php
@@ -22,6 +22,10 @@ class JpegEncoder extends DriverSpecializedEncoder
             ->colorProcessor($image->colorspace())
             ->colorToNative($image->blendingColor());
 
+        // set alpha value to 1 because Imagick renders
+        // possible full transparent colors as black
+        $background->setColorValue(Imagick::COLOR_ALPHA, 1);
+
         $imagick = $image->core()->native();
         $imagick->setImageBackgroundColor($background);
         $imagick->setBackgroundColor($background);