From b23697eec9e3f400fe8720e827126848f08b20da Mon Sep 17 00:00:00 2001
From: Guy Warner <gwarner@blendtec.com>
Date: Wed, 11 Sep 2013 09:31:28 -0700
Subject: [PATCH] PNG thumbnail compression

Summary: Fixes T3800

Test Plan: upload png and check size

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Maniphest Tasks: T3800

Differential Revision: https://secure.phabricator.com/D6942
---
 src/applications/files/PhabricatorImageTransformer.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/applications/files/PhabricatorImageTransformer.php b/src/applications/files/PhabricatorImageTransformer.php
index a51ad82208..8f03aeaa97 100644
--- a/src/applications/files/PhabricatorImageTransformer.php
+++ b/src/applications/files/PhabricatorImageTransformer.php
@@ -393,7 +393,7 @@ final class PhabricatorImageTransformer {
       case 'image/png':
         if (function_exists('imagepng')) {
           ob_start();
-          imagepng($data);
+          imagepng($data, null, 9);
           return ob_get_clean();
         }
         break;
@@ -407,7 +407,7 @@ final class PhabricatorImageTransformer {
       $img = ob_get_clean();
     } else if (function_exists('imagepng')) {
       ob_start();
-      imagepng($data);
+      imagepng($data, null, 9);
       $img = ob_get_clean();
     } else if (function_exists('imagegif')) {
       ob_start();