Fixed #42 某些设备旋转时会被拉伸 感谢@richard-chen-1985

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "lrz",
-  "version": "4.5.20",
+  "version": "4.5.21",
   "homepage": "https://github.com/think2011/localResizeIMG",
   "authors": [
     "think2011 <452125301@qq.com>"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lrz",
-  "version": "4.5.20",
+  "version": "4.5.21",
   "description": "前端本地客户端压缩图片，兼容IOS，Android，PC、自动按需加载文件",
   "scripts": {
     "test": "node ./node_modules/karma/bin/karma start"

src/lrz.js

@@ -261,6 +261,11 @@ Lrz.prototype._getResize = function () {
         height: img.height
     };
 
+    if ("5678".indexOf(orientation) > -1) {
+        ret.width  = img.height;
+        ret.height = img.width;
+    }
+
     // 如果原图小于设定，采用原图
     if (ret.width < width || ret.height < height) {
         return ret;

test/index.html

@@ -37,7 +37,7 @@
     <div class="row">
         <div class="col-xs-12 text-center">
             <h3 style="margin-top: 0;">上传图片测试</h3>
-            <small class="text-muted">配置：宽度不超过1024，高度适应，70%压缩率</small>
+            <small class="text-muted">配置：宽度不超过800，高度适应，70%压缩率</small>
             <br/>
             <small class="text-muted UA">UA</small>
             <hr/>
@@ -89,7 +89,7 @@ <h3>旋转方向测试</h3>
 </footer>
 
 
-<script src="../dist/lrz.bundle.js?v=6c25fbe"></script>
-<script src="./index.js?v=46a6cff"></script>
+<script src="../dist/lrz.bundle.js?v=4531b70"></script>
+<script src="./index.js?v=8ef8f4f"></script>
 </body>
 </html>

test/index.js

@@ -37,15 +37,15 @@ document.querySelector('input').addEventListener('change', function () {
     var that = this;
 
     lrz(that.files[0], {
-        width: 1024
+        width: 800
     })
         .then(function (rst) {
-            var img        = new Image(),
-                div        = document.createElement('div'),
-                p          = document.createElement('p'),
+            var img = new Image(),
+                div = document.createElement('div'),
+                p = document.createElement('p'),
                 sourceSize = toFixed2(that.files[0].size / 1024),
                 resultSize = toFixed2(rst.fileLen / 1024),
-                scale      = parseInt(100 - (resultSize / sourceSize * 100));
+                scale = parseInt(100 - (resultSize / sourceSize * 100));
 
             /* ==================================================== */
             // 原生ajax上传代码，所以看起来特别多 ╮(╯_╰)╭，但绝对能用