From 8d73eaf636aa5eb00454c0ceb397963024a82a72 Mon Sep 17 00:00:00 2001
From: chisj <chishangjin@gmail.com>
Date: Mon, 18 Apr 2016 13:59:31 +0800
Subject: [PATCH] PNPieChart to support Percentage Value Decimal Places

---
 PNChart/PNPieChart.h | 3 +++
 PNChart/PNPieChart.m | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/PNChart/PNPieChart.h b/PNChart/PNPieChart.h
index 204afb53..a280a9fe 100644
--- a/PNChart/PNPieChart.h
+++ b/PNChart/PNPieChart.h
@@ -38,6 +38,9 @@
 /** Show absolute values not relative i.e. percentages */
 @property (nonatomic) BOOL showAbsoluteValues;
 
+/** Show Percentage values decimal places i.e. 0 */
+@property (nonatomic) int showPercentageValueDecimalPlaces;
+
 /** Hide percentage labels less than cutoff value */
 @property (nonatomic, assign) CGFloat labelPercentageCutoff;
 
diff --git a/PNChart/PNPieChart.m b/PNChart/PNPieChart.m
index 07154677..a463ccff 100644
--- a/PNChart/PNPieChart.m
+++ b/PNChart/PNPieChart.m
@@ -69,6 +69,7 @@ - (void)baseInit{
     _shouldHighlightSectorOnTouch = YES;
     _enableMultipleSelection = NO;
     _hideValues = NO;
+    _showPercentageValueDecimalPlaces = 0;
     
     [super setupDefaultValues];
     [self loadDefault];
@@ -155,7 +156,7 @@ - (UILabel *)descriptionLabelForItemAtIndex:(NSUInteger)index{
     if (self.showAbsoluteValues) {
         titleValue = [NSString stringWithFormat:@"%.0f",currentDataItem.value];
     }else{
-        titleValue = [NSString stringWithFormat:@"%.0f%%",[self ratioForItemAtIndex:index] * 100];
+        titleValue = [NSString stringWithFormat:@"%.*f%%",self.showPercentageValueDecimalPlaces, [self ratioForItemAtIndex:index] * 100];
     }
     
     if (self.hideValues)