From 6b3bbf155bb4d65643ed38843cd52e800a51d658 Mon Sep 17 00:00:00 2001
From: Bruno Meilick <b@bnomei.com>
Date: Mon, 20 Feb 2023 15:25:50 +0000
Subject: [PATCH] add avif support

closes #260

Signed-off-by: bnomei <b@bnomei.com>
---
 .gitattributes               |  4 ++++
 README.md                    |  2 +-
 src/claviska/SimpleImage.php | 13 ++++++++++++-
 3 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 .gitattributes

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..516226e
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+/examples           export-ignore
+/.github            export-ignore
+/.gitattributes     export-ignore
+/.gitignore         export-ignore
diff --git a/README.md b/README.md
index ffabe9d..e23aed8 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ try {
 
 ## Features
 
-- Supports reading, writing, and converting GIF, JPEG, PNG, WEBP, BMP formats.
+- Supports reading, writing, and converting GIF, JPEG, PNG, WEBP, BMP, AVIF formats.
 - Reads and writes files, data URIs, and image strings.
 - Manipulation: crop, resize, overlay/watermark, adding TTF text
 - Drawing: arc, border, dot, ellipse, line, polygon, rectangle, rounded rectangle
diff --git a/src/claviska/SimpleImage.php b/src/claviska/SimpleImage.php
index 7c95316..abb2fd6 100644
--- a/src/claviska/SimpleImage.php
+++ b/src/claviska/SimpleImage.php
@@ -316,7 +316,18 @@ protected function generate($mimeType = null, $quality = 100) {
           );
         }
         imageinterlace($this->image, true);
-        imagebmp($this->image, null, $quality);
+        imagebmp($this->image, null, $quality < 100);
+        break;
+      case 'image/avif':
+        // Not all versions of PHP support avif
+        if(!function_exists('imageavif')) {
+          throw new \Exception(
+            'AVIF support is not available in your version of PHP.',
+            self::ERR_UNSUPPORTED_FORMAT
+          );
+        }
+        imageinterlace($this->image, true);
+        imageavif($this->image, null, $quality);
         break;
       default:
         throw new \Exception('Unsupported format: ' . $mimeType, self::ERR_UNSUPPORTED_FORMAT);