From d9f68476889b4c3e467aede31d16a13a9d0fcafd Mon Sep 17 00:00:00 2001
From: Christoph Lehmann <lehmann@networkteam.com>
Date: Sat, 5 Mar 2022 23:50:40 +0100
Subject: [PATCH] Add quality option

---
 src/OptionSet.php      | 13 +++++++++++++
 test/OptionSetTest.php |  7 +++++++
 2 files changed, 20 insertions(+)

diff --git a/src/OptionSet.php b/src/OptionSet.php
index eedd8d6..1cc5fa9 100644
--- a/src/OptionSet.php
+++ b/src/OptionSet.php
@@ -680,6 +680,19 @@ public function format(): string
         return $this->firstValue(ProcessingOption::FORMAT, 'string');
     }
 
+    public function withQuality(int $quality): self
+    {
+        if ($quality < 0 || $quality > 100) {
+            throw new \InvalidArgumentException("quality must be >= 0 and <= 100");
+        }
+        return $this->set(ProcessingOption::QUALITY, $quality);
+    }
+
+    public function quality(): ?int
+    {
+        return $this->firstValue(ProcessingOption::QUALITY, 'int');
+    }
+
     protected function firstValue(string $name, string $type)
     {
         $o = $this->get($name);
diff --git a/test/OptionSetTest.php b/test/OptionSetTest.php
index e3f8b2e..98e3c32 100644
--- a/test/OptionSetTest.php
+++ b/test/OptionSetTest.php
@@ -966,6 +966,13 @@ public function testWithFormat()
         $this->assertEquals("webp", $os->format());
     }
 
+    public function testWithQuality()
+    {
+        $os = new OptionSet();
+        $os->withQuality(70);
+        $this->assertEquals(70, $os->quality());
+    }
+
     public function testUnset()
     {
         $os = new OptionSet();