From af6536d4543e7f631068f9c15ec0059d9596a9a0 Mon Sep 17 00:00:00 2001
From: shihaoguo <gsh901117@gmail.com>
Date: Wed, 27 Nov 2013 15:16:16 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=BA=86=E9=9B=86=E6=88=90UI?=
 =?UTF-8?q?Tableviewcell=20crash=E7=9A=84=E7=8E=B0=E8=B1=A1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

修改了lineRange如果小于0 导致crash的现象
---
 TQRichTextView/TQRichTextView.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/TQRichTextView/TQRichTextView.m b/TQRichTextView/TQRichTextView.m
index b1491ad..616b053 100644
--- a/TQRichTextView/TQRichTextView.m
+++ b/TQRichTextView/TQRichTextView.m
@@ -77,6 +77,9 @@ - (void)drawRect:(CGRect)rect
     {
         CFIndex testLineLength = CTTypesetterSuggestLineBreak(typeSetter,lineRange.location,self.bounds.size.width);
 check:  lineRange = CFRangeMake(lineRange.location,testLineLength);
+        if (lineRange.length<0) {
+            return;
+        }
         CTLineRef line = CTTypesetterCreateLine(typeSetter,lineRange);
         CFArrayRef runs = CTLineGetGlyphRuns(line);