From d3a35575a9293b65f15a85392d93302c58eb5b80 Mon Sep 17 00:00:00 2001
From: kener <kener.linfeng@gmail.com>
Date: Fri, 27 Sep 2013 15:00:38 +0800
Subject: [PATCH] =?UTF-8?q?icon=20shape=20=E4=BA=A4=E4=BA=92=E6=98=93?=
 =?UTF-8?q?=E7=94=A8=E6=80=A7=E4=BC=98=E5=8C=96?=
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Content-Transfer-Encoding: 8bit

---
 src/util/shape/icon.js | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/src/util/shape/icon.js b/src/util/shape/icon.js
index c8c139d46..6c986cc7c 100644
--- a/src/util/shape/icon.js
+++ b/src/util/shape/icon.js
@@ -441,24 +441,21 @@ define(
                 }
 
                 // 快速预判并保留判断矩形
+                
                 var rect;
                 if (e.style.__rect) {
                     rect = e.style.__rect;
                 }
                 else {
                     rect = this.getRect(e.style);
-                    rect = [
-                        rect.x,
-                        rect.x + rect.width,
-                        rect.y,
-                        rect.y + rect.height
-                    ];
                     e.style.__rect = rect;
                 }
-                if (x >= rect[0]
-                    && x <= rect[1]
-                    && y >= rect[2]
-                    && y <= rect[3]
+                // 提高交互体验，包围盒四向扩大5px
+                var delta = 5;
+                if (x >= rect.x - delta
+                    && x <= (rect.x + rect.width + 2 * delta)
+                    && y >= rect.y - delta
+                    && y <= (rect.y + rect.height + 2 * delta)
                 ) {
                     // 矩形内
                     return true;
-- 
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