Merge pull request #83 from moflo/master

Add gradient option to bar & circle charts

@@ -11,12 +11,12 @@ Pod::Spec.new do |s|
   s.author       = { "Kevin" => "kevinchou.c@gmail.com" }
 
   s.platform     = :ios, '6.0'
-  s.source       = { :git => "https://github.com/kevinzhow/PNChart.git" }
+  s.source       = { :git => "https://github.com/moflo/PNChart.git" }
 
   s.ios.dependency 'UICountingLabel', '~> 1.0.0'
 
-  s.source_files = 'PNChart/*.{h,m}'
-  s.public_header_files = 'PNChart/*.h'
+  s.source_files = 'PNChart/**/*.{h,m}'
+  s.public_header_files = 'PNChart/**/*.h'
   s.frameworks   = 'CoreGraphics', 'UIKit', 'Foundation', 'QuartzCore'
   s.requires_arc = true
 end

@@ -16,6 +16,7 @@
 @property (nonatomic) float grade;
 @property (nonatomic) CAShapeLayer *chartLine;
 @property (nonatomic) UIColor *barColor;
+@property (nonatomic) UIColor *barColorGradientStart;
 @property (nonatomic) CGFloat barRadius;
 
 @end

@@ -64,6 +64,39 @@
     [_chartLine addAnimation:pathAnimation forKey:@"strokeEndAnimation"];
 
     _chartLine.strokeEnd = 1.0;
+    
+    // Check if user wants to add a gradient from the start color to the bar color
+    if (_barColorGradientStart) {
+        
+        // Add gradient
+        CAShapeLayer *gradientMask = [CAShapeLayer layer];
+        gradientMask.fillColor = [[UIColor clearColor] CGColor];
+        gradientMask.strokeColor = [[UIColor blackColor] CGColor];
+        //gradientMask.lineWidth = 4;
+        gradientMask.lineWidth    = self.frame.size.width;
+        gradientMask.frame = CGRectMake(0, 0, self.bounds.size.width, self.bounds.size.height);
+        gradientMask.path = progressline.CGPath;
+        
+        
+        CAGradientLayer *gradientLayer = [CAGradientLayer layer];
+        gradientLayer.startPoint = CGPointMake(0.5,1.0);
+        gradientLayer.endPoint = CGPointMake(0.5,0.0);
+        gradientLayer.frame = CGRectMake(0, 0, self.bounds.size.width, self.bounds.size.height);
+        UIColor *endColor = (_barColor ? _barColor : [UIColor greenColor]);
+        NSArray *colors = @[
+                            (id)_barColorGradientStart.CGColor,
+                            (id)endColor.CGColor
+                            ];
+        gradientLayer.colors = colors;
+        
+        [gradientLayer setMask:gradientMask];
+        
+        [_chartLine addSublayer:gradientLayer];
+        
+        gradientMask.strokeEnd = 1.0;
+        [gradientMask addAnimation:pathAnimation forKey:@"strokeEndAnimation"];
+    }
+
 }
 
 
@@ -74,6 +107,17 @@
     } completion:nil];
 }
 
+- (void)setBarColorGradientStart:(UIColor *)barColorGradientStart
+{
+    // Set gradient color, remove any existing sublayer first
+    for (CALayer *sublayer in [_chartLine sublayers]) {
+        [sublayer removeFromSuperlayer];
+    }
+    _barColorGradientStart = barColorGradientStart;
+    
+    [self setGrade:_grade];
+    
+}
 
 // Only override drawRect: if you perform custom drawing.
 // An empty implementation adversely affects performance during animation.

@@ -123,6 +123,12 @@ typedef NSString *(^PNyLabelFromatter)(CGFloat yLabelValue);
  */
 @property (nonatomic) CGFloat yMinValue;
 
+/*
+ switch to indicate that the bar should be filled as a gradient
+ */
+@property (nonatomic) UIColor *barColorGradientStart;
+
+
 @property (nonatomic, retain) id<PNChartDelegate> delegate;
 
 @end

@@ -205,9 +205,14 @@
         //Height Of Bar
         bar.grade = grade;
         
+        // Add gradient
+        bar.barColorGradientStart = _barColorGradientStart;
+        
+
         //For Click Index
         bar.tag = index;
         
+        
         [_bars addObject:bar];
         [self addSubview:bar];
 

@@ -26,6 +26,7 @@ typedef NS_ENUM(NSUInteger, PNChartFormatType) {
 
 @property (strong, nonatomic) UICountingLabel *countingLabel;
 @property (nonatomic) UIColor *strokeColor;
+@property (nonatomic) UIColor *strokeColorGradientStart;
 @property (nonatomic) NSNumber *total;
 @property (nonatomic) NSNumber *current;
 @property (nonatomic) NSNumber *lineWidth;

@@ -101,6 +101,41 @@
     _circle.strokeEnd   = [_current floatValue] / [_total floatValue];
 
     [_countingLabel countFrom:0 to:[_current floatValue] withDuration:1.0];
+    
+    
+    // Check if user wants to add a gradient from the start color to the bar color
+    if (_strokeColorGradientStart) {
+        
+        // Add gradient
+        CAShapeLayer *gradientMask = [CAShapeLayer layer];
+        gradientMask.fillColor = [[UIColor clearColor] CGColor];
+        gradientMask.strokeColor = [[UIColor blackColor] CGColor];
+        gradientMask.lineWidth = _circle.lineWidth;
+        gradientMask.lineCap = kCALineCapRound;
+        CGRect gradientFrame = CGRectMake(0, 0, 2*self.bounds.size.width, 2*self.bounds.size.height);
+        gradientMask.frame = gradientFrame;
+        gradientMask.path = _circle.path;
+        
+        CAGradientLayer *gradientLayer = [CAGradientLayer layer];
+        gradientLayer.startPoint = CGPointMake(0.5,1.0);
+        gradientLayer.endPoint = CGPointMake(0.5,0.0);
+        gradientLayer.frame = gradientFrame;
+        UIColor *endColor = (_strokeColor ? _strokeColor : [UIColor greenColor]);
+        NSArray *colors = @[
+                            (id)endColor.CGColor,
+                            (id)_strokeColorGradientStart.CGColor
+                            ];
+        gradientLayer.colors = colors;
+        
+        [gradientLayer setMask:gradientMask];
+        
+        [_circle addSublayer:gradientLayer];
+        
+        gradientMask.strokeEnd = [_current floatValue] / [_total floatValue];
+        
+        [gradientMask addAnimation:pathAnimation forKey:@"strokeEndAnimation"];
+    }
+
 }
 
 

@@ -67,18 +67,20 @@
     CGFloat yStep = (_yValueMax - _yValueMin) / _yLabelNum;
     CGFloat yStepHeight = _chartCavanHeight / _yLabelNum;
 
+    if (_showLabel) {
+
+        NSInteger index = 0;
+        NSInteger num = _yLabelNum + 1;
 
-    NSInteger index = 0;
-    NSInteger num = _yLabelNum + 1;
-
-    while (num > 0) {
-        PNChartLabel *label = [[PNChartLabel alloc] initWithFrame:CGRectMake(0.0, (_chartCavanHeight - index * yStepHeight), _chartMargin, _yLabelHeight)];
-        [label setTextAlignment:NSTextAlignmentRight];
-        NSString *yLabelFormat = self.yLabelFormat ? self.yLabelFormat : @"%1.f";
-        label.text = [NSString stringWithFormat:yLabelFormat, _yValueMin + (yStep * index)];
-        [self addSubview:label];
-        index += 1;
-        num -= 1;
+        while (num > 0) {
+            PNChartLabel *label = [[PNChartLabel alloc] initWithFrame:CGRectMake(0.0, (_chartCavanHeight - index * yStepHeight), _chartMargin, _yLabelHeight)];
+            [label setTextAlignment:NSTextAlignmentRight];
+            NSString *yLabelFormat = self.yLabelFormat ? self.yLabelFormat : @"%1.f";
+            label.text = [NSString stringWithFormat:yLabelFormat, _yValueMin + (yStep * index)];
+            [self addSubview:label];
+            index += 1;
+            num -= 1;
+        }
     }
 }
 

@@ -22,18 +22,26 @@
 		0AF7A891182AA9F6003645C4 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 0AF7A88F182AA9F6003645C4 /* InfoPlist.strings */; };
 		0AF7A893182AA9F6003645C4 /* PNChartDemoTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 0AF7A892182AA9F6003645C4 /* PNChartDemoTests.m */; };
 		0AF7A8AF182AAEEF003645C4 /* PCChartViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 0AF7A8AE182AAEEF003645C4 /* PCChartViewController.m */; };
+		91177ED8198DFAC400017E27 /* PNBar.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177EC9198DFAC400017E27 /* PNBar.m */; };
+		91177ED9198DFAC400017E27 /* PNBar.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177EC9198DFAC400017E27 /* PNBar.m */; };
+		91177EDA198DFAC400017E27 /* PNBarChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECB198DFAC400017E27 /* PNBarChart.m */; };
+		91177EDB198DFAC400017E27 /* PNBarChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECB198DFAC400017E27 /* PNBarChart.m */; };
+		91177EDC198DFAC400017E27 /* PNCircleChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECD198DFAC400017E27 /* PNCircleChart.m */; };
+		91177EDD198DFAC400017E27 /* PNCircleChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECD198DFAC400017E27 /* PNCircleChart.m */; };
+		91177EDE198DFAC400017E27 /* PNLineChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECF198DFAC400017E27 /* PNLineChart.m */; };
+		91177EDF198DFAC400017E27 /* PNLineChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECF198DFAC400017E27 /* PNLineChart.m */; };
+		91177EE0198DFAC400017E27 /* PNLineChartData.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ED1198DFAC400017E27 /* PNLineChartData.m */; };
+		91177EE1198DFAC400017E27 /* PNLineChartData.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ED1198DFAC400017E27 /* PNLineChartData.m */; };
+		91177EE2198DFAC400017E27 /* PNLineChartDataItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ED3198DFAC400017E27 /* PNLineChartDataItem.m */; };
+		91177EE3198DFAC400017E27 /* PNLineChartDataItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ED3198DFAC400017E27 /* PNLineChartDataItem.m */; };
+		91177EE4198DFAC400017E27 /* PNPieChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ED5198DFAC400017E27 /* PNPieChart.m */; };
+		91177EE5198DFAC400017E27 /* PNPieChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ED5198DFAC400017E27 /* PNPieChart.m */; };
+		91177EE6198DFAC400017E27 /* PNPieChartDataItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ED7198DFAC400017E27 /* PNPieChartDataItem.m */; };
+		91177EE7198DFAC400017E27 /* PNPieChartDataItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ED7198DFAC400017E27 /* PNPieChartDataItem.m */; };
 		9FA23B10184A5944002DBBA4 /* PCChartsTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FA23B0F184A5944002DBBA4 /* PCChartsTableViewController.m */; };
-		9FE15DF6190BB014004129F5 /* PNBar.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FE15DE3190BB014004129F5 /* PNBar.m */; };
-		9FE15DF7190BB014004129F5 /* PNBarChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FE15DE5190BB014004129F5 /* PNBarChart.m */; };
 		9FE15DF8190BB014004129F5 /* PNChartLabel.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FE15DE9190BB014004129F5 /* PNChartLabel.m */; };
-		9FE15DF9190BB014004129F5 /* PNCircleChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FE15DEC190BB014004129F5 /* PNCircleChart.m */; };
 		9FE15DFA190BB014004129F5 /* PNColor.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FE15DEE190BB014004129F5 /* PNColor.m */; };
-		9FE15DFB190BB014004129F5 /* PNLineChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FE15DF1190BB014004129F5 /* PNLineChart.m */; };
-		9FE15DFC190BB014004129F5 /* PNLineChartData.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FE15DF3190BB014004129F5 /* PNLineChartData.m */; };
-		9FE15DFD190BB014004129F5 /* PNLineChartDataItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 9FE15DF5190BB014004129F5 /* PNLineChartDataItem.m */; };
 		E2C3ED5773A1409C8367CC70 /* libPods.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 3BA6321352024B1FBA0158B0 /* libPods.a */; };
-		F938F7E11917727E00B4448E /* PNPieChart.m in Sources */ = {isa = PBXBuildFile; fileRef = F938F7E01917727E00B4448E /* PNPieChart.m */; };
-		F938F7E4191772F200B4448E /* PNPieChartDataItem.m in Sources */ = {isa = PBXBuildFile; fileRef = F938F7E3191772F200B4448E /* PNPieChartDataItem.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -68,31 +76,31 @@
 		0AF7A8AD182AAEEF003645C4 /* PCChartViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PCChartViewController.h; sourceTree = "<group>"; };
 		0AF7A8AE182AAEEF003645C4 /* PCChartViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PCChartViewController.m; sourceTree = "<group>"; };
 		3BA6321352024B1FBA0158B0 /* libPods.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libPods.a; sourceTree = BUILT_PRODUCTS_DIR; };
+		91177EC8198DFAC400017E27 /* PNBar.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNBar.h; sourceTree = "<group>"; };
+		91177EC9198DFAC400017E27 /* PNBar.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBar.m; sourceTree = "<group>"; };
+		91177ECA198DFAC400017E27 /* PNBarChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNBarChart.h; sourceTree = "<group>"; };
+		91177ECB198DFAC400017E27 /* PNBarChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBarChart.m; sourceTree = "<group>"; };
+		91177ECC198DFAC400017E27 /* PNCircleChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNCircleChart.h; sourceTree = "<group>"; };
+		91177ECD198DFAC400017E27 /* PNCircleChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNCircleChart.m; sourceTree = "<group>"; };
+		91177ECE198DFAC400017E27 /* PNLineChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNLineChart.h; sourceTree = "<group>"; };
+		91177ECF198DFAC400017E27 /* PNLineChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNLineChart.m; sourceTree = "<group>"; };
+		91177ED0198DFAC400017E27 /* PNLineChartData.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNLineChartData.h; sourceTree = "<group>"; };
+		91177ED1198DFAC400017E27 /* PNLineChartData.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNLineChartData.m; sourceTree = "<group>"; };
+		91177ED2198DFAC400017E27 /* PNLineChartDataItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNLineChartDataItem.h; sourceTree = "<group>"; };
+		91177ED3198DFAC400017E27 /* PNLineChartDataItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNLineChartDataItem.m; sourceTree = "<group>"; };
+		91177ED4198DFAC400017E27 /* PNPieChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNPieChart.h; sourceTree = "<group>"; };
+		91177ED5198DFAC400017E27 /* PNPieChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNPieChart.m; sourceTree = "<group>"; };
+		91177ED6198DFAC400017E27 /* PNPieChartDataItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNPieChartDataItem.h; sourceTree = "<group>"; };
+		91177ED7198DFAC400017E27 /* PNPieChartDataItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNPieChartDataItem.m; sourceTree = "<group>"; };
 		9FA23B0E184A5944002DBBA4 /* PCChartsTableViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PCChartsTableViewController.h; sourceTree = "<group>"; };
 		9FA23B0F184A5944002DBBA4 /* PCChartsTableViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PCChartsTableViewController.m; sourceTree = "<group>"; };
-		9FE15DE2190BB014004129F5 /* PNBar.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNBar.h; sourceTree = "<group>"; };
-		9FE15DE3190BB014004129F5 /* PNBar.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBar.m; sourceTree = "<group>"; };
-		9FE15DE4190BB014004129F5 /* PNBarChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNBarChart.h; sourceTree = "<group>"; };
-		9FE15DE5190BB014004129F5 /* PNBarChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBarChart.m; sourceTree = "<group>"; };
 		9FE15DE6190BB014004129F5 /* PNChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNChart.h; sourceTree = "<group>"; };
 		9FE15DE7190BB014004129F5 /* PNChartDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNChartDelegate.h; sourceTree = "<group>"; };
 		9FE15DE8190BB014004129F5 /* PNChartLabel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNChartLabel.h; sourceTree = "<group>"; };
 		9FE15DE9190BB014004129F5 /* PNChartLabel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNChartLabel.m; sourceTree = "<group>"; };
-		9FE15DEB190BB014004129F5 /* PNCircleChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNCircleChart.h; sourceTree = "<group>"; };
-		9FE15DEC190BB014004129F5 /* PNCircleChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNCircleChart.m; sourceTree = "<group>"; };
 		9FE15DED190BB014004129F5 /* PNColor.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNColor.h; sourceTree = "<group>"; };
 		9FE15DEE190BB014004129F5 /* PNColor.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNColor.m; sourceTree = "<group>"; };
-		9FE15DF0190BB014004129F5 /* PNLineChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNLineChart.h; sourceTree = "<group>"; };
-		9FE15DF1190BB014004129F5 /* PNLineChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNLineChart.m; sourceTree = "<group>"; };
-		9FE15DF2190BB014004129F5 /* PNLineChartData.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNLineChartData.h; sourceTree = "<group>"; };
-		9FE15DF3190BB014004129F5 /* PNLineChartData.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNLineChartData.m; sourceTree = "<group>"; };
-		9FE15DF4190BB014004129F5 /* PNLineChartDataItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNLineChartDataItem.h; sourceTree = "<group>"; };
-		9FE15DF5190BB014004129F5 /* PNLineChartDataItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNLineChartDataItem.m; sourceTree = "<group>"; };
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-		F938F7DF1917727E00B4448E /* PNPieChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNPieChart.h; sourceTree = "<group>"; };
-		F938F7E01917727E00B4448E /* PNPieChart.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNPieChart.m; sourceTree = "<group>"; };
-		F938F7E2191772F200B4448E /* PNPieChartDataItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNPieChartDataItem.h; sourceTree = "<group>"; };
-		F938F7E3191772F200B4448E /* PNPieChartDataItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNPieChartDataItem.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -211,64 +219,32 @@
 		9FE15DE0190BB014004129F5 /* PNChart */ = {
 			isa = PBXGroup;
 			children = (
-				F938F7DE191770FE00B4448E /* PNPieChart */,
-				9FE15DE1190BB014004129F5 /* PNBarChart */,
 				9FE15DE6190BB014004129F5 /* PNChart.h */,
 				9FE15DE7190BB014004129F5 /* PNChartDelegate.h */,
 				9FE15DE8190BB014004129F5 /* PNChartLabel.h */,
 				9FE15DE9190BB014004129F5 /* PNChartLabel.m */,
-				9FE15DEA190BB014004129F5 /* PNCircleChart */,
 				9FE15DED190BB014004129F5 /* PNColor.h */,
 				9FE15DEE190BB014004129F5 /* PNColor.m */,
-				9FE15DEF190BB014004129F5 /* PNLineChart */,
+				91177EC8198DFAC400017E27 /* PNBar.h */,
+				91177EC9198DFAC400017E27 /* PNBar.m */,
+				91177ECA198DFAC400017E27 /* PNBarChart.h */,
+				91177ECB198DFAC400017E27 /* PNBarChart.m */,
+				91177ECC198DFAC400017E27 /* PNCircleChart.h */,
+				91177ECD198DFAC400017E27 /* PNCircleChart.m */,
+				91177ECE198DFAC400017E27 /* PNLineChart.h */,
+				91177ECF198DFAC400017E27 /* PNLineChart.m */,
+				91177ED0198DFAC400017E27 /* PNLineChartData.h */,
+				91177ED1198DFAC400017E27 /* PNLineChartData.m */,
+				91177ED2198DFAC400017E27 /* PNLineChartDataItem.h */,
+				91177ED3198DFAC400017E27 /* PNLineChartDataItem.m */,
+				91177ED4198DFAC400017E27 /* PNPieChart.h */,
+				91177ED5198DFAC400017E27 /* PNPieChart.m */,
+				91177ED6198DFAC400017E27 /* PNPieChartDataItem.h */,
+				91177ED7198DFAC400017E27 /* PNPieChartDataItem.m */,
 			);
 			path = PNChart;
 			sourceTree = "<group>";
 		};
-		9FE15DE1190BB014004129F5 /* PNBarChart */ = {
-			isa = PBXGroup;
-			children = (
-				9FE15DE2190BB014004129F5 /* PNBar.h */,
-				9FE15DE3190BB014004129F5 /* PNBar.m */,
-				9FE15DE4190BB014004129F5 /* PNBarChart.h */,
-				9FE15DE5190BB014004129F5 /* PNBarChart.m */,
-			);
-			path = PNBarChart;
-			sourceTree = "<group>";
-		};
-		9FE15DEA190BB014004129F5 /* PNCircleChart */ = {
-			isa = PBXGroup;
-			children = (
-				9FE15DEB190BB014004129F5 /* PNCircleChart.h */,
-				9FE15DEC190BB014004129F5 /* PNCircleChart.m */,
-			);
-			path = PNCircleChart;
-			sourceTree = "<group>";
-		};
-		9FE15DEF190BB014004129F5 /* PNLineChart */ = {
-			isa = PBXGroup;
-			children = (
-				9FE15DF0190BB014004129F5 /* PNLineChart.h */,
-				9FE15DF1190BB014004129F5 /* PNLineChart.m */,
-				9FE15DF2190BB014004129F5 /* PNLineChartData.h */,
-				9FE15DF3190BB014004129F5 /* PNLineChartData.m */,
-				9FE15DF4190BB014004129F5 /* PNLineChartDataItem.h */,
-				9FE15DF5190BB014004129F5 /* PNLineChartDataItem.m */,
-			);
-			path = PNLineChart;
-			sourceTree = "<group>";
-		};
-		F938F7DE191770FE00B4448E /* PNPieChart */ = {
-			isa = PBXGroup;
-			children = (
-				F938F7DF1917727E00B4448E /* PNPieChart.h */,
-				F938F7E01917727E00B4448E /* PNPieChart.m */,
-				F938F7E2191772F200B4448E /* PNPieChartDataItem.h */,
-				F938F7E3191772F200B4448E /* PNPieChartDataItem.m */,
-			);
-			path = PNPieChart;
-			sourceTree = "<group>";
-		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -402,19 +378,19 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				9FE15DFB190BB014004129F5 /* PNLineChart.m in Sources */,
+				91177EDE198DFAC400017E27 /* PNLineChart.m in Sources */,
 				9FE15DF8190BB014004129F5 /* PNChartLabel.m in Sources */,
+				91177EDC198DFAC400017E27 /* PNCircleChart.m in Sources */,
 				9FE15DFA190BB014004129F5 /* PNColor.m in Sources */,
-				9FE15DF6190BB014004129F5 /* PNBar.m in Sources */,
+				91177ED8198DFAC400017E27 /* PNBar.m in Sources */,
+				91177EE2198DFAC400017E27 /* PNLineChartDataItem.m in Sources */,
 				0AF7A8AF182AAEEF003645C4 /* PCChartViewController.m in Sources */,
-				9FE15DFD190BB014004129F5 /* PNLineChartDataItem.m in Sources */,
+				91177EDA198DFAC400017E27 /* PNBarChart.m in Sources */,
+				91177EE6198DFAC400017E27 /* PNPieChartDataItem.m in Sources */,
 				9FA23B10184A5944002DBBA4 /* PCChartsTableViewController.m in Sources */,
-				9FE15DF9190BB014004129F5 /* PNCircleChart.m in Sources */,
-				F938F7E4191772F200B4448E /* PNPieChartDataItem.m in Sources */,
+				91177EE0198DFAC400017E27 /* PNLineChartData.m in Sources */,
 				0AF7A874182AA9F6003645C4 /* main.m in Sources */,
-				9FE15DFC190BB014004129F5 /* PNLineChartData.m in Sources */,
-				9FE15DF7190BB014004129F5 /* PNBarChart.m in Sources */,
-				F938F7E11917727E00B4448E /* PNPieChart.m in Sources */,
+				91177EE4198DFAC400017E27 /* PNPieChart.m in Sources */,
 				0AF7A878182AA9F6003645C4 /* PCAppDelegate.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -423,7 +399,15 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				91177EE7198DFAC400017E27 /* PNPieChartDataItem.m in Sources */,
+				91177EE1198DFAC400017E27 /* PNLineChartData.m in Sources */,
+				91177EDF198DFAC400017E27 /* PNLineChart.m in Sources */,
+				91177EDD198DFAC400017E27 /* PNCircleChart.m in Sources */,
+				91177EE3198DFAC400017E27 /* PNLineChartDataItem.m in Sources */,
 				0AF7A893182AA9F6003645C4 /* PNChartDemoTests.m in Sources */,
+				91177EE5198DFAC400017E27 /* PNPieChart.m in Sources */,
+				91177EDB198DFAC400017E27 /* PNBarChart.m in Sources */,
+				91177ED9198DFAC400017E27 /* PNBar.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

@@ -119,8 +119,13 @@
         [self.barChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5",@"SEP 6",@"SEP 7"]];
         [self.barChart setYValues:@[@1,@24,@12,@18,@30,@10,@21]];
         [self.barChart setStrokeColors:@[PNGreen,PNGreen,PNRed,PNGreen,PNGreen,PNYellow,PNGreen]];
+        // Adding gradient
+        self.barChart.barColorGradientStart = [UIColor blueColor];
+
         [self.barChart strokeChart];
         
+        
+
         self.barChart.delegate = self;
         
         [viewController.view addSubview:barChartLabel];
@@ -142,6 +147,7 @@
         PNCircleChart * circleChart = [[PNCircleChart alloc] initWithFrame:CGRectMake(0, 80.0, SCREEN_WIDTH, 100.0) andTotal:@100 andCurrent:@60 andClockwise:YES andShadow:YES];
         circleChart.backgroundColor = [UIColor clearColor];
         [circleChart setStrokeColor:PNGreen];
+        [circleChart setStrokeColorGradientStart:[UIColor blueColor]];
         [circleChart strokeChart];
         
         [viewController.view addSubview:circleChartLabel];
@@ -152,7 +158,7 @@
     }else if ([segue.identifier isEqualToString:@"pieChart"])
     {
         
-        //Add LineChart
+        //Add PieChart
         UILabel * pieChartLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 90, SCREEN_WIDTH, 30)];
         pieChartLabel.text = @"Pie Chart";
         pieChartLabel.textColor = PNFreshGreen;

@@ -5,6 +5,6 @@ DEPENDENCIES:
   - UICountingLabel (~> 1.0.0)
 
 SPEC CHECKSUMS:
-  UICountingLabel: bb976960c0130785a600aac592954c23eb395096
+  UICountingLabel: 0a0e9e34bf4690dbd127aaec552d19ed938087a9
 
 COCOAPODS: 0.32.1