Updated circle chart API

@@ -15,7 +15,7 @@
 @interface PNCircleChart : UIView
 
 - (void)strokeChart;
-- (id)initWithFrame:(CGRect)frame andTotal:(NSNumber *)total andCurrent:(NSNumber *)current andClockwise:(BOOL)clockwise;
+- (id)initWithFrame:(CGRect)frame andTotal:(NSNumber *)total andCurrent:(NSNumber *)current andClockwise:(BOOL)clockwise andShadow:(BOOL)hasBackgroundShadow;
 
 @property (nonatomic) UIColor *strokeColor;
 @property (nonatomic) UIColor *labelColor;

@@ -27,7 +27,7 @@
 }
 
 
-- (id)initWithFrame:(CGRect)frame andTotal:(NSNumber *)total andCurrent:(NSNumber *)current andClockwise:(BOOL)clockwise
+- (id)initWithFrame:(CGRect)frame andTotal:(NSNumber *)total andCurrent:(NSNumber *)current andClockwise:(BOOL)clockwise andShadow:(BOOL)hasBackgroundShadow
 {
     self = [super initWithFrame:frame];
 
@@ -55,7 +55,7 @@
         _circleBG.lineCap     = kCALineCapRound;
         _circleBG.fillColor   = [UIColor clearColor].CGColor;
         _circleBG.lineWidth   = [_lineWidth floatValue];
-        _circleBG.strokeColor = PNLightYellow.CGColor;
+        _circleBG.strokeColor = (hasBackgroundShadow ? PNLightYellow.CGColor : [UIColor clearColor].CGColor);
         _circleBG.strokeEnd   = 1.0;
         _circleBG.zPosition   = -1;
 

@@ -129,12 +129,18 @@
         circleChartLabel.font = [UIFont fontWithName:@"Avenir-Medium" size:23.0];
         circleChartLabel.textAlignment = NSTextAlignmentCenter;
         
-        PNCircleChart * circleChart = [[PNCircleChart alloc] initWithFrame:CGRectMake(0, 80.0, SCREEN_WIDTH, 100.0) andTotal:[NSNumber numberWithInt:100] andCurrent:[NSNumber numberWithInt:60] andClockwise:NO];
+        PNCircleChart * circleChart = [[PNCircleChart alloc] initWithFrame:CGRectMake(0, 80.0, SCREEN_WIDTH, 100.0) andTotal:[NSNumber numberWithInt:100] andCurrent:[NSNumber numberWithInt:60] andClockwise:YES andShadow:NO];
         circleChart.backgroundColor = [UIColor clearColor];
         [circleChart setStrokeColor:PNGreen];
         [circleChart strokeChart];
         
+        PNCircleChart * circleChart2 = [[PNCircleChart alloc] initWithFrame:CGRectMake(0, 80.0, SCREEN_WIDTH, 100.0) andTotal:[NSNumber numberWithInt:100] andCurrent:[NSNumber numberWithInt:90] andClockwise:YES andShadow:YES];
+        circleChart2.backgroundColor = [UIColor clearColor];
+        [circleChart2 setStrokeColor:PNBlue];
+        [circleChart2 strokeChart];
+        
         [viewController.view addSubview:circleChartLabel];
+        [viewController.view addSubview:circleChart2];
         [viewController.view addSubview:circleChart];
         viewController.title = @"Circle Chart";