*/\r
\r
// http://msdn.microsoft.com/ja-jp/library/ie/dn255104%28v=vs.85%29.aspx\r
-var X_Dom_Event_devicePixelRatio = window.devicePixelRatio || ( window.screen.deviceXDPI / window.screen.logicalXDPI ),\r
+var X_Dom_Event_devicePixelRatio = window.devicePixelRatio || ( window.screen.deviceXDPI / window.screen.logicalXDPI ) || 1,\r
\r
X_Dom_Event_convertMSPointerType = ( !window.PointerEvent && window.MSPointerEvent ) && [ 0, 0, 'touch', 'pen', 'mouse' ], // WP8.1 は PointerEvent と MSPointerEvent 両方ある\r
/*{\r
X_Dom_Event_CANCEL_MOUSE = {},\r
X_DomEvent;\r
\r
+if( X_Dom_Event_devicePixelRatio !== 1 ){\r
+ X_UA_classNameForHTML += ' dpr' + X_Dom_Event_devicePixelRatio;\r
+ \r
+ X_UA[ 'dpr' ] = X_Dom_Event_devicePixelRatio; \r
+};\r
+\r
if( !X_UA[ 'IE' ] || 9 <= X_UA[ 'IE' ] ){\r
X_DomEvent = function( e, xnode ){\r
var originalType = e.type,\r