From 60918aa796f40919f5a2556a1b520dd6bed75ce3 Mon Sep 17 00:00:00 2001
From: David Anderson <davea@ssl.berkeley.edu>
Date: Fri, 26 Jul 2024 16:17:34 -0700
Subject: [PATCH] web: parse gd version number correctly

We were checking specifically for '2.0'.
If you had a later version (like 2.2) it would think you had an old version,
and use an old image conversion function that produces wrong-colored results.
---
 html/inc/profile.inc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/html/inc/profile.inc b/html/inc/profile.inc
index 8dd91b35f0d..fdbf4f74c7a 100644
--- a/html/inc/profile.inc
+++ b/html/inc/profile.inc
@@ -136,8 +136,10 @@ function scale_image(
     }
 
     $gd_info = gd_info();
-    $newGD = (strstr($gd_info["GD Version"], "2.0")!="");
-    if ($newGD) {
+    $v = $gd_info["GD Version"];
+    $v = explode('.', $v);
+    $v = (int)$v[0];        // major version
+    if ($v >= 2) {
         // If you are using a modern PHP/GD installation that does
         // 'truecolor' images, this is what's needed.
         $newImage = ImageCreateTrueColor($destWidth, $destHeight);