Fix a potential divided by O error

2020-11-23 13:49:04 +01:00
parent 693fce1bb1
commit 5bf3bd7ce5
1 changed files with 16 additions and 11 deletions
@@ -54,19 +54,24 @@ var screenshotHandler = function() {
        var deferred = Q.defer();

        var currentWidth = image.bitmap.width;
-        var ratio = newWidth / currentWidth;

-        image.scale(ratio, function(err, image){
-            if (err) {
-                debug('Could not resize image');
-                debug(err);
+        if (currentWidth > 0) {
+            var ratio = newWidth / currentWidth;

-                deferred.reject(err);
-            } else {
-                debug('Image correctly resized');
-                deferred.resolve(image);
-            }
-        });
+            image.scale(ratio, function(err, image){
+                if (err) {
+                    debug('Could not resize image');
+                    debug(err);
+
+                    deferred.reject(err);
+                } else {
+                    debug('Image correctly resized');
+                    deferred.resolve(image);
+                }
+            });
+        } else {
+            deferred.reject('Could not resize an empty image');
+        }

        return deferred.promise;        
    };