Updated podspect

Added customization for line width

Classes/JBBarChartView.h

@@ -20,7 +20,7 @@
 /**
  *  If showsSelection is YES, a vertical highlight will overlayed on a bar during touch events.
  *  
- *  Default: YES
+ *  Default: YES.
  */
 @property (nonatomic, assign) BOOL showsSelection;
 
@@ -34,8 +34,8 @@
  *  Height for a bar at a given index (left to right). There is no ceiling on the the height; 
  *  the chart will automatically normalize all values between the overal min and max heights.
  *
- *  @param barChartView The origin chart
- *  @param index        The 0-based index of a given bar (left to right, x-axis)
+ *  @param barChartView The origin chart.
+ *  @param index        The 0-based index of a given bar (left to right, x-axis).
  *
  *  @return The y-axis height of the supplied bar index (x-axis)
  */
@@ -47,8 +47,8 @@
  *  Occurs when a touch gesture event occurs on a given bar. The chart must be expanded, showsSelection must be YES,
  *  and the selection must occur within the bounds of the chart.
  *
- *  @param barChartView The origin chart
- *  @param index        The 0-based index of a given bar (left to right, x-axis)
+ *  @param barChartView The origin chart.
+ *  @param index        The 0-based index of a given bar (left to right, x-axis).
  */
 - (void)barChartView:(JBBarChartView *)barChartView didSelectBarAtIndex:(NSInteger)index;
 
@@ -56,8 +56,8 @@
  *  Occurs when selection ends by either ending a touch event or selecting an area that is outside the view's bounds.
  *  For selection start events, see: didSelectBarAtIndex...
  *
- *  @param barChartView The origin chart
- *  @param index        The 0-based index of a given bar. Index will be -1 if the touch ends outside of the view's bounds. 
+ *  @param barChartView The origin chart.
+ *  @param index        The 0-based index of a given bar. Index will be -1 if the touch ends outside of the view's bounds.
  */
 - (void)barChartView:(JBBarChartView *)barChartView didUnselectBarAtIndex:(NSInteger)index;
 
@@ -70,7 +70,7 @@
 /**
  *  The number of bars in a given bar chart is the number of vertical views shown along the x-axis.
  *
- *  @param barChartView The origin chart
+ *  @param barChartView The origin chart.
  *
  *  @return Number of bars in the given chart, displayed horizontally along the chart's x-axis.
  */
@@ -83,7 +83,7 @@
  *
  *  Default: 'best-guess' algorithm based on the the total number of bars and width of the chart.
  *
- *  @param barChartView The origin chart
+ *  @param barChartView The origin chart.
  *
  *  @return Horizontal width (in pixels) between each bar.
  */
@@ -92,10 +92,10 @@
 /**
  *  A UIView subclass representing the bar at a particular index.
  *
- *  Default: solid black UIView
+ *  Default: solid black UIView.
  *
- *  @param barChartView The origin chart
- *  @param index        The 0-based index of a given bar (left to right, x-axis)
+ *  @param barChartView The origin chart.
+ *  @param index        The 0-based index of a given bar (left to right, x-axis).
  *
  *  @return A UIView subclass. The view will automatically be resized by the chart during creation (ie. no need to set the frame).
  */
@@ -105,9 +105,9 @@
  *  The selection color to be overlayed on a bar during touch events. 
  *  The color is automically faded to transparent (vertically).
  *
- *  Default: white color (faded to transparent)
+ *  Default: white color (faded to transparent).
  *
- *  @param barChartView The origin chart
+ *  @param barChartView The origin chart.
  *
  *  @return The color to be used on each bar selection.
  */

Classes/JBBarChartView.m

@@ -62,13 +62,18 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
     self = [super initWithFrame:frame];
     if (self)
     {
-        self.clipsToBounds = NO;
+        self.clipsToBounds = YES;
         _showsSelection = YES;
         _cachedMaxHeight = kJBBarChartViewUndefinedMaxHeight;
     }
     return self;
 }
 
+- (id)init
+{
+    return [self initWithFrame:CGRectZero];
+}
+
 #pragma mark - Memory Management
 
 - (void)dealloc

Classes/JBChartView.h

@@ -34,7 +34,7 @@ typedef NS_ENUM(NSInteger, JBChartViewState){
 @property (nonatomic, strong) UIView *headerView;
 
 /**
- *  The vertical padding between the header and highest chart point (bar, line, etc)
+ *  The vertical padding between the header and highest chart point (bar, line, etc).
  */
 @property (nonatomic, assign) CGFloat headerPadding;
 
@@ -51,7 +51,7 @@ typedef NS_ENUM(NSInteger, JBChartViewState){
 - (void)reloadData;
 
 /**
- *  State setter
+ *  State setter.
  *
  *  @param state    Either collapse or expanded.
  *  @param animated Whether or not the state should be animated or not.
@@ -60,7 +60,7 @@ typedef NS_ENUM(NSInteger, JBChartViewState){
 - (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback;
 
 /**
- *  State setter
+ *  State setter.
  *
  *  @param state    Either collapse or expanded.
  *  @param animated Whether or not the state should be animated or not.
@@ -76,9 +76,9 @@ typedef NS_ENUM(NSInteger, JBChartViewState){
 @interface JBChartSelectionView : UIView
 
 /**
- * Base selection view color. This color will be faded to transparent vertically
+ * Base selection view color. This color will be faded to transparent vertically.
  *
- * Default: white color
+ * Default: white color.
  *
  */
 @property (nonatomic, strong) UIColor *bgColor;

Classes/JBChartView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "JBChartView"
-  s.version      = "1.1.5"
+  s.version      = "1.1.6"
   s.summary      = "Jawbone's iOS-based charting library for both line and bar graphs."
   s.homepage     = "https://github.com/Jawbone/JBChartView"
 
@@ -8,7 +8,7 @@ Pod::Spec.new do |s|
   s.author       = { "Terry Worona" => "tworona@jawbone.com" }
   s.source       = { 
 	:git => "https://github.com/Jawbone/JBChartView.git",
-	:tag => "v1.1.5"
+	:tag => "v1.1.6"
   }
 
   s.platform     = :ios, '7.0'

Classes/JBLineChartView.h

@@ -19,7 +19,7 @@
 /**
  *  If showsSelection is YES, a vertical highlight will overlayed on a the line graph during touch events.
  *
- *  Default: YES
+ *  Default: YES.
  */
 @property (nonatomic, assign) BOOL showsSelection;
 
@@ -33,10 +33,10 @@
  *  Vertical position for line point at a given index (left to right). There is no ceiling on the the height;
  *  the chart will automatically normalize all values between the overal min and max heights.
  *
- *  @param lineChartView The origin chart
- *  @param index         The 0-based index of a given line height (left to right, x-axis)
+ *  @param lineChartView The origin chart.
+ *  @param index         The 0-based index of a given line height (left to right, x-axis).
  *
- *  @return The y-axis value of the supplied line index (x-axis)
+ *  @return The y-axis value of the supplied line index (x-axis).
  */
 - (CGFloat)lineChartView:(JBLineChartView *)lineChartView heightForIndex:(NSInteger)index;
 
@@ -46,8 +46,8 @@
  *  Occurs when a touch gesture event occurs anywhere on the chart. The chart must be expanded, showsSelection must be YES,
  *  and the selection must occur within the bounds of the chart.
  *
- *  @param lineChartView The origin chart
- *  @param index         The 0-based index of a selection point (left to right, x-axis)
+ *  @param lineChartView The origin chart.
+ *  @param index         The 0-based index of a selection point (left to right, x-axis).
  */
 - (void)lineChartView:(JBLineChartView *)lineChartView didSelectChartAtIndex:(NSInteger)index;
 
@@ -55,7 +55,7 @@
  *  Occurs when selection ends by either ending a touch event or selecting an area that is outside the view's bounds.
  *  For selection start events, see: didSelectChartAtIndex...
  *
- *  @param lineChartView The origin chart
+ *  @param lineChartView The origin chart.
  *  @param index         The 0-based index of a selection point. Index will be -1 if the touch ends outside of the view's bounds.
  */
 - (void)lineChartView:(JBLineChartView *)lineChartView didUnselectChartAtIndex:(NSInteger)index;
@@ -69,7 +69,7 @@
 /**
  *  The number of points in a given line chart equates to the number of values along the x-axis.
  *
- *  @param lineChartView The origin chart
+ *  @param lineChartView The origin chart.
  *
  *  @return Number of points in the given chart.
  */
@@ -79,22 +79,33 @@
 
 /**
  *  The color of the line within the chart.
- * 
- *  Default: black color
  *
- *  @param lineChartView The origin chart
+ *  Default: black color.
  *
- *  @return The color to be used to draw the line on the chart (alphas < 1 are supported)
+ *  @param lineChartView The origin chart.
+ *
+ *  @return The color to be used to draw the line on the chart (alphas < 1 are supported).
  */
 - (UIColor *)lineColorForLineChartView:(JBLineChartView *)lineChartView;
 
+/**
+ *  The width of the line within the chart.
+ *
+ *  Default: 5 points.
+ *
+ *  @param lineChartView The origin chart.
+ *
+ *  @return The width to be used to draw the line on the chart.
+ */
+- (CGFloat)lineWidthForLineChartView:(JBLineChartView *)lineChartView;
+
 /**
  *  The selection color to be overlayed on the chart during touch events.
  *  The color is automically faded to transparent (vertically).
  *
- *  Default: white color (faded to transparent)
+ *  Default: white color (faded to transparent).
  *
- *  @param lineChartView The origin chart
+ *  @param lineChartView The origin chart.
  *
  *  @return The color to be used on chart selections.
  */

Classes/JBLineChartView.m

@@ -45,7 +45,7 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
 @property (nonatomic, assign) id<JBLineChartLineViewDelegate> delegate;
 @property (nonatomic, assign) JBLineChartLineViewState state;
 @property (nonatomic, strong) CAShapeLayer *shapeLayer;
-@property (nonatomic, assign) BOOL aniamted;
+@property (nonatomic, assign) BOOL animated;
 
 // Data
 - (void)reloadData;
@@ -63,6 +63,7 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
 
 - (NSArray *)chartDataForLineChartLineView:(JBLineChartLineView*)lineChartLineView;
 - (UIColor *)lineColorForLineChartLineView:(JBLineChartLineView*)lineChartLineView;
+- (CGFloat)lineWidthForLineChartLineView:(JBLineChartLineView*)lineChartLineView;
 
 @end
 
@@ -114,28 +115,33 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
     return self;
 }
 
+- (id)init
+{
+    return [self initWithFrame:CGRectZero];
+}
+
 #pragma mark - Data
 
 - (void)reloadData
 {
     // reset cached max height
     self.cachedMaxHeight = kJBLineChartViewUndefinedMaxHeight;
-    
+
     /*
      * Subview rectangle calculations
      */
     CGRect mainViewRect = CGRectMake(self.bounds.origin.x, self.bounds.origin.y, self.bounds.size.width, [self availableHeight]);
-    
+
     /*
      * The data collection holds all position and marker information:
      * constructed via datasource and delegate functions
      */
     dispatch_block_t createChartData = ^{
-        
+
         CGFloat pointSpace = (self.bounds.size.width - (kJBLineChartLineViewEdgePadding * 2)) / ([self dataCount] - 1); // Space in between points
         CGFloat xOffset = kJBLineChartLineViewEdgePadding;
         CGFloat yOffset = 0;
-        
+
         // Build up the data collection
         NSAssert([self.delegate respondsToSelector:@selector(lineChartView:heightForIndex:)], @"JBLineChartView // delegate must implement - (NSInteger)lineChartView:(JBLineChartView *)lineChartView heightForIndex:(NSInteger)index");
         NSMutableArray *mutableChartData = [NSMutableArray array];
@@ -145,34 +151,34 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
             CGFloat rawHeight = [self.delegate lineChartView:self heightForIndex:index];
             CGFloat normalizedHeight = [self normalizedHeightForRawHeight:rawHeight];
             yOffset = mainViewRect.size.height - normalizedHeight;
-            
+
             chartPoint.position = CGPointMake(xOffset, yOffset);
-            
+
             [mutableChartData addObject:chartPoint];
             xOffset += pointSpace;
         }
-        
+
         self.chartData = [NSArray arrayWithArray:mutableChartData];
 	};
-    
+
     /*
      * Creates a new line graph view using the previously calculated data model
      */
     dispatch_block_t createLineGraphView = ^{
-        
+
         // Remove old line and overlay views
         if (self.lineView)
         {
             [self.lineView removeFromSuperview];
             self.lineView = nil;
         }
-        
+
         // Create new line and overlay subviews
         self.lineView = [[JBLineChartLineView alloc] initWithFrame:CGRectOffset(mainViewRect, 0, self.headerView.frame.size.height + self.headerPadding)];
         self.lineView.delegate = self;
         [self addSubview:self.lineView];
     };
-    
+
     /*
      * Creates a vertical selection view for touch events
      */
@@ -182,7 +188,7 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
             [self.selectionView removeFromSuperview];
             self.selectionView = nil;
         }
-        
+
         self.selectionView = [[JBChartSelectionView alloc] initWithFrame:CGRectMake(0, 0, kJBLineSelectionViewWidth, self.bounds.size.height - self.footerView.frame.size.height)];
         self.selectionView.alpha = 0.0;
         if ([self.dataSource respondsToSelector:@selector(selectionColorForLineChartView:)])
@@ -191,14 +197,14 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
         }
         [self insertSubview:self.selectionView belowSubview:self.footerView];
     };
-	
+
     createChartData();
     createLineGraphView();
     createSelectionView();
-    
+
     // Reload views
     [self.lineView reloadData];
-    
+
     // Position header and footer
     self.headerView.frame = CGRectMake(self.bounds.origin.x, self.bounds.origin.y, self.bounds.size.width, self.headerView.frame.size.height);
     self.footerView.frame = CGRectMake(self.bounds.origin.x, self.bounds.size.height - self.footerView.frame.size.height, self.bounds.size.width, self.footerView.frame.size.height);
@@ -210,12 +216,12 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
 {
     CGFloat minHeight = [self minHeight];
     CGFloat maxHeight = [self maxHeight];
-    
+
     if ((maxHeight - minHeight) <= 0)
     {
         return 0;
     }
-    
+
     return ((rawHeight - minHeight) / (maxHeight - minHeight)) * [self availableHeight];
 }
 
@@ -269,12 +275,21 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
     return kJBLineChartViewDefaultLineColor;
 }
 
+- (CGFloat)lineWidthForLineChartLineView:(JBLineChartLineView*)lineChartLineView
+{
+    if ([self.dataSource respondsToSelector:@selector(lineWidthForLineChartView:)])
+    {
+        return [self.dataSource lineWidthForLineChartView:self];
+    }
+    return kJBLineChartLineViewStrokeWidth;
+}
+
 #pragma mark - Setters
 
 - (void)setState:(JBChartViewState)state animated:(BOOL)animated callback:(void (^)())callback
 {
     [super setState:state animated:animated callback:callback];
-    
+
     if (state == JBChartViewStateCollapsed)
     {
         [self.lineView setState:JBLineChartLineViewStateCollapsed animated:animated callback:callback];
@@ -310,9 +325,9 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
     {
         return;
     }
-    
+
     [self setSelectionViewVisible:NO animated:YES];
-    
+
     UITouch *touch = [touches anyObject];
     CGPoint touchPoint = [touch locationInView:self];
     NSInteger index = [self indexForPoint:touchPoint];
@@ -327,7 +342,7 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
 - (void)setSelectionViewVisible:(BOOL)selectionViewVisible animated:(BOOL)animated
 {
     _selectionViewVisible = selectionViewVisible;
-    
+
     if (animated)
     {
         [UIView animateWithDuration:kJBChartViewDefaultAnimationDuration delay:0.0 options:UIViewAnimationOptionBeginFromCurrentState animations:^{
@@ -353,15 +368,15 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
     {
         return;
     }
-    
+
     UITouch *touch = [touches anyObject];
     CGPoint touchPoint = [touch locationInView:self];
-    
+
     if ([self.delegate respondsToSelector:@selector(lineChartView:didSelectChartAtIndex:)])
     {
         [self.delegate lineChartView:self didSelectChartAtIndex:[self indexForPoint:touchPoint]];
     }
-    
+
     CGFloat xOffset = fmin(self.bounds.size.width - self.selectionView.frame.size.width, fmax(0, touchPoint.x - (ceil(self.selectionView.frame.size.width * 0.5))));
     self.selectionView.frame = CGRectMake(xOffset, self.selectionView.frame.origin.y, self.selectionView.frame.size.width, self.selectionView.frame.size.height);
     [self setSelectionViewVisible:YES animated:YES];
@@ -373,15 +388,15 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
     {
         return;
     }
-    
+
     UITouch *touch = [touches anyObject];
     CGPoint touchPoint = [touch locationInView:self];
-    
+
     if ([self.delegate respondsToSelector:@selector(lineChartView:didSelectChartAtIndex:)])
     {
         [self.delegate lineChartView:self didSelectChartAtIndex:[self indexForPoint:touchPoint]];
     }
-    
+
     CGFloat xOffset = fmin(self.bounds.size.width - self.selectionView.frame.size.width, fmax(0, touchPoint.x - (ceil(self.selectionView.frame.size.width * 0.5))));
     self.selectionView.frame = CGRectMake(xOffset, self.selectionView.frame.origin.y, self.selectionView.frame.size.width, self.selectionView.frame.size.height);
     [self setSelectionViewVisible:YES animated:YES];
@@ -426,15 +441,15 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
 - (void)drawRect:(CGRect)rect
 {
     [super drawRect:rect];
-    
+
     CGContextRef context = UIGraphicsGetCurrentContext();
-    
+
     UIBezierPath *flatPath = [UIBezierPath bezierPath];
     flatPath.miterLimit = kJBLineChartLineViewMiterLimit;
-    
+
     UIBezierPath *dynamicPath = [UIBezierPath bezierPath];
     dynamicPath.miterLimit = kJBLineChartLineViewMiterLimit;
-    
+
     NSAssert([self.delegate respondsToSelector:@selector(chartDataForLineChartLineView:)], @"JBLineChartLineView // delegate must implement - (NSArray *)chartDataForLineChartLineView:(JBLineChartLineView *)lineChartLineView");
     NSInteger index = 0;
     for (JBLineChartPoint *lineChartPoint in [[self.delegate chartDataForLineChartLineView:self] sortedArrayUsingSelector:@selector(compare:)])
@@ -449,27 +464,28 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
             [dynamicPath addLineToPoint:CGPointMake(lineChartPoint.position.x, fmin(self.bounds.size.height - kJBLineChartLineViewEdgePadding, fmax(kJBLineChartLineViewEdgePadding, lineChartPoint.position.y)))];
             [flatPath addLineToPoint:CGPointMake(lineChartPoint.position.x, ceil(self.bounds.size.height * 0.5))];
         }
-        
+
         index++;
     }
-    
+
     NSAssert([self.delegate respondsToSelector:@selector(lineColorForLineChartLineView:)], @"JBLineChartLineView // delegate must implement - (UIColor *)lineColorForLineChartLineView:(JBLineChartLineView*)lineChartLineView");
-    
+    NSAssert([self.delegate respondsToSelector:@selector(lineWidthForLineChartLineView:)], @"JBLineChartLineView // delegate must implement - (UIColor *)lineWidthForLineChartLineView:(JBLineChartLineView*)lineChartLineView");
+
     if (self.shapeLayer == nil)
     {
         self.shapeLayer = [CAShapeLayer layer];
     }
-    
-    if (self.aniamted)
+
+    if (self.animated)
     {
         self.shapeLayer.zPosition = 0.0f;
         self.shapeLayer.strokeColor = [self.delegate lineColorForLineChartLineView:self].CGColor;
-        self.shapeLayer.lineWidth = kJBLineChartLineViewStrokeWidth;
+        self.shapeLayer.lineWidth = [self.delegate lineWidthForLineChartLineView:self];
         self.shapeLayer.lineCap = kCALineCapRound;
         self.shapeLayer.lineJoin = kCALineJoinRound;
         self.shapeLayer.frame = self.bounds;
         self.shapeLayer.fillColor = [UIColor clearColor].CGColor;
-        
+
         if (self.state == JBLineChartLineViewStateCollapsed)
         {
             self.shapeLayer.path = dynamicPath.CGPath;
@@ -478,7 +494,7 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
         {
             self.shapeLayer.path = flatPath.CGPath;
         }
-        
+
         CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"path"];
         [anim setRemovedOnCompletion:NO];
         anim.toValue = self.state == JBLineChartLineViewStateCollapsed ? (id)flatPath.CGPath : (id)dynamicPath.CGPath;
@@ -494,7 +510,7 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
     {
         CGContextSaveGState(context);
         {
-            CGContextSetLineWidth(context, kJBLineChartLineViewStrokeWidth);
+            CGContextSetLineWidth(context, [self.delegate lineWidthForLineChartLineView:self]);
             CGContextSetStrokeColorWithColor(context, [self.delegate lineColorForLineChartLineView:self].CGColor);
             CGContextSetLineCap(context, kCGLineCapRound);
             CGContextSetLineJoin(context, kCGLineJoinRound);
@@ -504,8 +520,8 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
         }
         CGContextRestoreGState(context);
     }
-    
-    self.aniamted = NO;
+
+    self.animated = NO;
 }
 
 #pragma mark - Data
@@ -524,13 +540,13 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
     {
         return;
     }
-    
+
     dispatch_block_t callbackCopy = [callback copy];
-    
+
     _state = state;
-    self.aniamted = animated;
+    self.animated = animated;
     [self setNeedsDisplay];
-    
+
     if (animated)
     {
         [self performSelector:@selector(fireCallback:) withObject:callback afterDelay:kJBLineChartLineViewStateAnimationDuration];
@@ -554,7 +570,7 @@ static UIColor *kJBLineChartViewDefaultLineColor = nil;
 - (void)fireCallback:(void (^)())callback
 {
     dispatch_block_t callbackCopy = [callback copy];
-    
+
     if (callbackCopy != nil)
     {
         callbackCopy();

JBChartViewDemo/JBChartViewDemo/Controllers/JBBarChartViewController.m

@@ -79,7 +79,8 @@ NSString * const kJBBarChartViewControllerNavButtonViewKey = @"view";
     self.view.backgroundColor = kJBColorBarChartControllerBackground;
     self.navigationItem.rightBarButtonItem = [self chartToggleButtonWithTarget:self action:@selector(chartToggleButtonPressed:)];
 
-    self.barChartView = [[JBBarChartView alloc] initWithFrame:CGRectMake(kJBNumericDefaultPadding, kJBNumericDefaultPadding, self.view.bounds.size.width - (kJBNumericDefaultPadding * 2), kJBBarChartViewControllerChartHeight)];
+    self.barChartView = [[JBBarChartView alloc] init];
+    self.barChartView.frame = CGRectMake(kJBNumericDefaultPadding, kJBNumericDefaultPadding, self.view.bounds.size.width - (kJBNumericDefaultPadding * 2), kJBBarChartViewControllerChartHeight);
     self.barChartView.delegate = self;
     self.barChartView.dataSource = self;
     self.barChartView.headerPadding = kJBBarChartViewControllerChartHeaderPadding;

JBChartViewDemo/JBChartViewDemo/Controllers/JBLineChartViewController.m

@@ -21,6 +21,7 @@ CGFloat const kJBLineChartViewControllerChartHeight = 250.0f;
 CGFloat const kJBLineChartViewControllerChartHeaderHeight = 75.0f;
 CGFloat const kJBLineChartViewControllerChartHeaderPadding = 20.0f;
 CGFloat const kJBLineChartViewControllerChartFooterHeight = 20.0f;
+CGFloat const kJBLineChartViewControllerChartLineWidth = 6.0f;
 NSInteger const kJBLineChartViewControllerNumChartPoints = 27;
 
 // Strings
@@ -75,7 +76,8 @@ NSString * const kJBLineChartViewControllerNavButtonViewKey = @"view";
     self.view.backgroundColor = kJBColorLineChartControllerBackground;
     self.navigationItem.rightBarButtonItem = [self chartToggleButtonWithTarget:self action:@selector(chartToggleButtonPressed:)];
         
-    self.lineChartView = [[JBLineChartView alloc] initWithFrame:CGRectMake(kJBNumericDefaultPadding, kJBNumericDefaultPadding, self.view.bounds.size.width - (kJBNumericDefaultPadding * 2), kJBLineChartViewControllerChartHeight)];
+    self.lineChartView = [[JBLineChartView alloc] init];
+    self.lineChartView.frame = CGRectMake(kJBNumericDefaultPadding, kJBNumericDefaultPadding, self.view.bounds.size.width - (kJBNumericDefaultPadding * 2), kJBLineChartViewControllerChartHeight);
     self.lineChartView.delegate = self;
     self.lineChartView.dataSource = self;
     self.lineChartView.headerPadding = kJBLineChartViewControllerChartHeaderPadding;
@@ -158,6 +160,11 @@ NSString * const kJBLineChartViewControllerNavButtonViewKey = @"view";
     return kJBColorLineChartLineColor;
 }
 
+- (CGFloat)lineWidthForLineChartView:(JBLineChartView *)lineChartView
+{
+    return kJBLineChartViewControllerChartLineWidth;
+}
+
 - (UIColor *)selectionColorForLineChartView:(JBLineChartView *)lineChartView
 {
     return [UIColor whiteColor];

README.md

@@ -36,7 +36,7 @@ Simply add the following line to your <code>Podfile</code>:
 Your Podfile should look something like:
 
 	platform :ios, '7.0'
-	pod 'JBChartView', '~> 1.1.5'
+	pod 'JBChartView', '~> 1.1.6'
 	
 ### The Old School Way
 
@@ -93,7 +93,7 @@ Secondly, you need to inform the delegate the y-position of each point (automati
     
 	- (CGFloat)lineChartView:(JBLineChartView *)lineChartView heightForIndex:(NSInteger)index
     {
-		return ...; // y-position of poinnt at index (x-axis)
+		return ...; // y-position of point at index (x-axis)
 	}
 	
 ## Customization
@@ -159,6 +159,12 @@ Furthermore, the color of the selection bar (on touch events) can be customized
 	{
 		return ...; // color of selection view
 	}
+The width of the chart's line is defaulted to 5 (points). It can be modified through the <i>optional</i> protocol:
+
+	- (CGFloat)lineWidthForLineChartView:(JBLineChartView *)lineChartView
+	{
+		return ...; // width of line
+	}
 	
 Lastly, a line chart's selection events are delegated back via: