Also handle negative values cf #272.

zxingify · Dec 4, 2018 · f7fe106 · f7fe106
1 parent 47704a8
commit f7fe106
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ZXingObjC/common/ZXHybridBinarizer.m b/ZXingObjC/common/ZXHybridBinarizer.m
@@ -47,8 +47,8 @@ - (ZXBitMatrix *)blackMatrixWithError:(NSError **)error {
   ZXLuminanceSource *source = [self luminanceSource];
   int width = source.width;
   int height = source.height;
-  if (width == 0 || height == 0) {
-    NSDictionary *userInfo = @{NSLocalizedDescriptionKey: @"Source is empty"};
+  if (width <= 0 || height <= 0) {
+    NSDictionary *userInfo = @{NSLocalizedDescriptionKey: @"Source is empty or misbehaving."};
     if (error) *error = [[NSError alloc] initWithDomain:ZXErrorDomain code:ZXNotFoundError userInfo:userInfo];
     return nil;
   }