From e042bbf48f26ea2f1f6af31bc44dbdbc97aad963 Mon Sep 17 00:00:00 2001
From: Ratul Sharker <sharker.ratul@revesoft.com>
Date: Wed, 18 Jan 2017 19:23:00 +0600
Subject: [PATCH] Border padding feature is been added

---
 Pod/Classes/MBCircularProgressBarLayer.h |  7 +++++++
 Pod/Classes/MBCircularProgressBarLayer.m | 13 +++++++++----
 Pod/Classes/MBCircularProgressBarView.h  |  7 +++++++
 Pod/Classes/MBCircularProgressBarView.m  |  9 +++++++++
 4 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/Pod/Classes/MBCircularProgressBarLayer.h b/Pod/Classes/MBCircularProgressBarLayer.h
index 561a9c1..1d0dcb7 100644
--- a/Pod/Classes/MBCircularProgressBarLayer.h
+++ b/Pod/Classes/MBCircularProgressBarLayer.h
@@ -140,4 +140,11 @@
  */
 @property (nonatomic,assign)  BOOL      countdown;
 
+/**
+ * Circle radius padding from border
+ * of the UIView bounding box
+ * Default value is 0
+ */
+@property (nonatomic, assign) CGFloat   borderPadding;
+
 @end
diff --git a/Pod/Classes/MBCircularProgressBarLayer.m b/Pod/Classes/MBCircularProgressBarLayer.m
index 9e73d56..085281e 100644
--- a/Pod/Classes/MBCircularProgressBarLayer.m
+++ b/Pod/Classes/MBCircularProgressBarLayer.m
@@ -49,6 +49,9 @@ - (void) drawInContext:(CGContextRef) context{
     UIGraphicsPushContext(context);
     
     CGSize size = CGRectIntegral(CGContextGetClipBoundingBox(context)).size;
+    size.height -= 2 * self.borderPadding;
+    size.width  -= 2 * self.borderPadding;
+    
     [self drawEmptyBar:size context:context];
     [self drawProgressBar:size context:context];
   
@@ -68,7 +71,8 @@ - (void)drawEmptyBar:(CGSize)rectSize context:(CGContextRef)c{
     CGMutablePathRef arc = CGPathCreateMutable();
     
     CGPathAddArc(arc, NULL,
-                 rectSize.width/2, rectSize.height/2,
+                 rectSize.width/2 + self.borderPadding,
+                 rectSize.height/2 + self.borderPadding,
                  MIN(rectSize.width,rectSize.height)/2 - self.progressLineWidth,
                  (self.progressAngle/100.f)*M_PI-((-self.progressRotationAngle/100.f)*2.f+0.5)*M_PI,
                  -(self.progressAngle/100.f)*M_PI-((-self.progressRotationAngle/100.f)*2.f+0.5)*M_PI,
@@ -100,7 +104,8 @@ - (void)drawProgressBar:(CGSize)rectSize context:(CGContextRef)c{
     CGMutablePathRef arc = CGPathCreateMutable();
     
     CGPathAddArc(arc, NULL,
-                 rectSize.width/2, rectSize.height/2,
+                 rectSize.width/2 + self.borderPadding,
+                 rectSize.height/2 + self.borderPadding,
                  MIN(rectSize.width,rectSize.height)/2 - self.progressLineWidth,
                  (self.progressAngle/100.f)*M_PI-((-self.progressRotationAngle/100.f)*2.f+0.5)*M_PI-(2.f*M_PI)*(self.progressAngle/100.f)*(100.f-100.f*self.value/self.maxValue)/100.f,
                  -(self.progressAngle/100.f)*M_PI-((-self.progressRotationAngle/100.f)*2.f+0.5)*M_PI,
@@ -167,8 +172,8 @@ - (void)drawText:(CGSize)rectSize context:(CGContextRef)c
   
   CGSize percentSize = [text size];
   CGPoint textCenter = CGPointMake(
-    rectSize.width/2-percentSize.width/2 + self.textOffset.x,
-    rectSize.height/2-percentSize.height/2 + self.textOffset.y
+    rectSize.width/2-percentSize.width/2 + self.textOffset.x + self.borderPadding,
+    rectSize.height/2-percentSize.height/2 + self.textOffset.y + self.borderPadding
   );
   
   [text drawAtPoint:textCenter];
diff --git a/Pod/Classes/MBCircularProgressBarView.h b/Pod/Classes/MBCircularProgressBarView.h
index 0eb5fab..ee55a9a 100644
--- a/Pod/Classes/MBCircularProgressBarView.h
+++ b/Pod/Classes/MBCircularProgressBarView.h
@@ -136,4 +136,11 @@ IB_DESIGNABLE
  */
 @property (nonatomic,assign) IBInspectable BOOL      countdown;
 
+/**
+ * Circle radius padding from border
+ * of the UIView bounding box
+ * Default value is 0
+ */
+@property (nonatomic,assign) IBInspectable CGFloat   borderPadding;
+
 @end
diff --git a/Pod/Classes/MBCircularProgressBarView.m b/Pod/Classes/MBCircularProgressBarView.m
index 5c6c71a..b74c897 100644
--- a/Pod/Classes/MBCircularProgressBarView.m
+++ b/Pod/Classes/MBCircularProgressBarView.m
@@ -64,6 +64,7 @@ -(void)initView:(CGRect)frame{
     [self setTextOffset:CGPointMake(0, 0)];
     [self setUnitFontName:@"HelveticaNeue-Thin"];
     [self setCountdown:NO];
+    [self setBorderPadding:0];
 }
 
 #pragma mark - Getters and Setters for layer properties
@@ -278,6 +279,14 @@ -(BOOL)countdown {
   return self.progressLayer.countdown;
 }
 
+-(void)setBorderPadding:(CGFloat)borderPadding{
+  self.progressLayer.borderPadding = borderPadding;
+}
+
+-(CGFloat)borderPadding{
+  return self.progressLayer.borderPadding;
+}
+
 #pragma mark - CALayer
 
 -(MBCircularProgressBarLayer*)progressLayer{