Prevent division by zero.

blueimp · blueimp · commit c9df5827491e · 2013-03-12T00:47:13.000+01:00
See stomita/ios-imagefile-megapixel@5b2252cc14d412 24682f06c098c1b44fef0258d5
diff --git a/load-image.js b/load-image.js
@@ -106,7 +106,7 @@
             }
             py = (ey + sy) >> 1;
         }
-        return py / ih;
+        return (py / ih) || 1;
     };
 
     // Renders image to canvas while working around iOS image scaling bugs:

Original file line number	Diff line number	Diff line change
`@@ -106,7 +106,7 @@`
`106`	`106`	`}`
`107`	`107`	`py = (ey + sy) >> 1;`
`108`	`108`	`}`
`109`		`- return py / ih;`
	`109`	`+ return (py / ih) \|\| 1;`
`110`	`110`	`};`
`111`	`111`
`112`	`112`	`// Renders image to canvas while working around iOS image scaling bugs:`