From 7a66f55d50f8b83f8029843934ec2240d331044e Mon Sep 17 00:00:00 2001
From: yinpengcheng <yinpengcheng>
Date: Tue, 27 Nov 2018 19:50:28 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=8F=8C=E5=87=BB=E5=9C=A8?=
 =?UTF-8?q?=E5=B7=B2=E6=94=BE=E5=A4=A7=E7=9A=84=E6=83=85=E5=86=B5=E4=B8=8B?=
 =?UTF-8?q?=E4=BB=8D=E7=84=B6=E6=94=BE=E5=A4=A7=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 .../main/java/com/bm/library/PhotoView.java   | 24 ++++++++++++++-----
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/library/src/main/java/com/bm/library/PhotoView.java b/library/src/main/java/com/bm/library/PhotoView.java
index 2a2de96..f41cc55 100644
--- a/library/src/main/java/com/bm/library/PhotoView.java
+++ b/library/src/main/java/com/bm/library/PhotoView.java
@@ -911,13 +911,25 @@ public boolean onDoubleTap(MotionEvent e) {
             mTranslateY = 0;
 
             if (isZoonUp) {
-                from = mScale;
-                to = 1;
+                if (mScale == 1){
+                    isZoonUp = false;
+                    from = mScale;
+                    to = mMaxScale;
+                    mScaleCenter.set(e.getX(), e.getY());
+                }else {
+                    from = mScale;
+                    to = 1;
+                }
             } else {
-                from = mScale;
-                to = mMaxScale;
-
-                mScaleCenter.set(e.getX(), e.getY());
+                if (mScale == mMaxScale){
+                    isZoonUp = true;
+                    from = mScale;
+                    to = 1;
+                }else {
+                    from = mScale;
+                    to = mMaxScale;
+                    mScaleCenter.set(e.getX(), e.getY());
+                }
             }
 
             mTmpMatrix.reset();