From 58ac8d05f0d731a64853b2abe1ea659875b6b053 Mon Sep 17 00:00:00 2001
From: PJ Fanning <pjfanning@users.noreply.github.com>
Date: Sat, 17 Jan 2026 15:09:06 +0100
Subject: [PATCH] throw exception if getAlpha returns very large value (that is
 too big for int) (#1000)

---
 .../java/org/apache/poi/hslf/usermodel/HSLFPictureShape.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFPictureShape.java b/poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFPictureShape.java
index ac2f12bd2f..a311dbf40d 100644
--- a/poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFPictureShape.java
+++ b/poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFPictureShape.java
@@ -230,6 +230,7 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape<HS
     }
 
     public int getAlpha() {
-        return (int)(super.getAlpha(EscherPropertyTypes.FILL__FILLOPACITY)*100000.0);
+        return Math.toIntExact(
+            (long) (super.getAlpha(EscherPropertyTypes.FILL__FILLOPACITY) * 100000));
     }
 }