Enhancement: We can now set the text color for the popup label

Classes/BEMSimpleLineGraphView.h

@@ -326,6 +326,10 @@ IB_DESIGNABLE @interface BEMSimpleLineGraphView : UIView <UIGestureRecognizerDel
 @property (strong, nonatomic) UIColor *colorBackgroundPopUplabel;
 
 
+/// Color of the pop up label's background displayed when the user touches the graph.
+@property (strong, nonatomic) UIColor *colorTextPopUplabel;
+
+
 /// Position of the y-Axis in relation to the chart (Default: NO)
 @property (nonatomic) BOOL positionYAxisRight;
 

Classes/BEMSimpleLineGraphView.m

@@ -154,6 +154,7 @@ - (void)commonInit {
     _colorPoint = [UIColor colorWithWhite:1.0 alpha:0.7];
     _colorTouchInputLine = [UIColor grayColor];
     _colorBackgroundPopUplabel = [UIColor whiteColor];
+    _colorTextPopUplabel = [UIColor blackColor];
     _alphaTouchInputLine = 0.2;
     _widthTouchInputLine = 1.0;
     _colorBackgroundXaxis = nil;
@@ -376,6 +377,7 @@ - (void)layoutTouchReport {
                 self.popUpLabel.textAlignment = 1;
                 self.popUpLabel.numberOfLines = 1;
                 self.popUpLabel.font = self.labelFont;
+                self.popUpLabel.textColor = self.colorTextPopUplabel;
                 self.popUpLabel.backgroundColor = [UIColor clearColor];
                 [self.popUpLabel sizeToFit];
                 self.popUpLabel.alpha = 0;