Fixes vicc#53

bre7 · Sep 26, 2015 · a3793a7 · a3793a7
1 parent 32dcd0d
commit a3793a7
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/Pod/Classes/Objective-C/UIColor+ChameleonPrivate.m b/Pod/Classes/Objective-C/UIColor+ChameleonPrivate.m
@@ -149,11 +149,13 @@ - (BOOL)getLightness:(CGFloat *)L valueForA:(CGFloat *)A valueForB:(CGFloat *)B
  CGFloat Y = [XYZValues[1] floatValue];
  CGFloat Z = [XYZValues[2] floatValue];
 
- //Run our new XYZ values through our LAB algorithm to convert them into LAB values
- NSArray *LABValues = [self arrayOfLABValuesForX:X Y:Y Z:Z alpha:alpha1];
- *L = [LABValues[0] floatValue];
- *A = [LABValues[1] floatValue];
- *B = [LABValues[2] floatValue];
+ if (L != nil && A != nil && B != nil) {
+ //Run our new XYZ values through our LAB algorithm to convert them into LAB values
+ NSArray *LABValues = [self arrayOfLABValuesForX:X Y:Y Z:Z alpha:alpha1];
+ *L = [LABValues[0] floatValue];
+ *A = [LABValues[1] floatValue];
+ *B = [LABValues[2] floatValue];
+ }
 
  return YES;
  }