From 9ce48756af05a7eddf8138ea8f430b0550ec390c Mon Sep 17 00:00:00 2001
From: mhpcc <50452722+mhpcc@users.noreply.github.com>
Date: Tue, 28 Dec 2021 12:54:49 +0100
Subject: [PATCH] explicitly cast values to int for imagesetpixel (#460)

Co-authored-by: Nicola Asuni <nicolaasuni@users.noreply.github.com>
---
 tcpdf.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tcpdf.php b/tcpdf.php
index 2696c52..e41bce9 100644
--- a/tcpdf.php
+++ b/tcpdf.php
@@ -7359,7 +7359,7 @@ class TCPDF {
 						$color = imagecolorat($img, $xpx, $ypx);
 						// get and correct gamma color
 						$alpha = $this->getGDgamma($img, $color);
-						imagesetpixel($imgalpha, $xpx, $ypx, $alpha);
+						imagesetpixel($imgalpha, (int) $xpx, (int) $ypx, (int) $alpha);
 					}
 				}
 				imagepng($imgalpha, $tempfile_alpha);