From 3dee6f7c4764dbe5d6da733729e56de9ccaeeff8 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Sun, 27 Jan 2019 12:27:03 +0100
Subject: [PATCH] xcf: Do not overflow int on the setDotsPerMeterX/Y call

---
 src/imageformats/xcf.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/imageformats/xcf.cpp b/src/imageformats/xcf.cpp
index 758b65e..b0c6028 100644
--- a/src/imageformats/xcf.cpp
+++ b/src/imageformats/xcf.cpp
@@ -1432,8 +1432,14 @@ bool XCFImageFormat::initializeImage(XCFImage &xcf_image)
         break;
     }
 
-    image.setDotsPerMeterX((int)(xcf_image.x_resolution * INCHESPERMETER));
-    image.setDotsPerMeterY((int)(xcf_image.y_resolution * INCHESPERMETER));
+    const float dpmx = xcf_image.x_resolution * INCHESPERMETER;
+    if (dpmx > std::numeric_limits<int>::max())
+        return false;
+    const float dpmy = xcf_image.y_resolution * INCHESPERMETER;
+    if (dpmy > std::numeric_limits<int>::max())
+        return false;
+    image.setDotsPerMeterX((int)dpmx);
+    image.setDotsPerMeterY((int)dpmy);
     return true;
 }