From 3d5308d2b32507f1e431169b53166a289275b88e Mon Sep 17 00:00:00 2001
From: lichen <1362906955@qq.com>
Date: Mon, 22 Aug 2016 10:16:34 +0800
Subject: [PATCH] =?UTF-8?q?PNLineChart=E6=B7=BB=E5=8A=A0pointLabel?=
 =?UTF-8?q?=E8=83=8C=E6=99=AF=E9=A2=9C=E8=89=B2=E5=B1=9E=E6=80=A7?=
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---
 PNChart/PNLineChart.m     | 2 +-
 PNChart/PNLineChartData.h | 1 +
 PNChart/PNLineChartData.m | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/PNChart/PNLineChart.m b/PNChart/PNLineChart.m
index 0e4349a4..c57ff80b 100755
--- a/PNChart/PNLineChart.m
+++ b/PNChart/PNLineChart.m
@@ -1030,7 +1030,7 @@ - (CATextLayer *)createPointLabelFor:(CGFloat)grade pointCenter:(CGPoint)pointCe
     CATextLayer *textLayer = [[CATextLayer alloc] init];
     [textLayer setAlignmentMode:kCAAlignmentCenter];
     [textLayer setForegroundColor:[chartData.pointLabelColor CGColor]];
-    [textLayer setBackgroundColor:[[[UIColor whiteColor] colorWithAlphaComponent:0.8] CGColor]];
+    [textLayer setBackgroundColor:[chartData.pointLabelBackgroundColor CGColor]];
     [textLayer setCornerRadius:textLayer.fontSize / 8.0];
 
     if (chartData.pointLabelFont != nil) {
diff --git a/PNChart/PNLineChartData.h b/PNChart/PNLineChartData.h
index fc85a564..4cfed708 100755
--- a/PNChart/PNLineChartData.h
+++ b/PNChart/PNLineChartData.h
@@ -27,6 +27,7 @@ typedef PNLineChartDataItem *(^LCLineChartDataGetter)(NSUInteger item);
 
 @property (nonatomic) BOOL showPointLabel;
 @property (nonatomic) UIColor *pointLabelColor;
+@property(nonatomic,retain) UIColor* pointLabelBackgroundColor;
 @property (nonatomic) UIFont *pointLabelFont;
 @property (nonatomic) NSString *pointLabelFormat;
 
diff --git a/PNChart/PNLineChartData.m b/PNChart/PNLineChartData.m
index 6b697c71..f6aa8af7 100755
--- a/PNChart/PNLineChartData.m
+++ b/PNChart/PNLineChartData.m
@@ -25,6 +25,7 @@ - (void)setupDefaultValues
     _alpha = 1.f;
     _showPointLabel = NO;
     _pointLabelColor = [UIColor blackColor];
+    _pointLabelBackgroundColor = [[UIColor whiteColor] colorWithAlphaComponent:0.8];
     _pointLabelFormat = @"%1.f";
 }