this.mouseY=Roo.isTouch?e.browserEvent.touches[0].pageY:e.getPageY();},onMouseUp:function(e){e.stopEvent();this.dragable=false;},onMouseWheel:function(e){e.stopEvent();this.startScale=this.scale;this.scale=(e.getWheelDelta()==1)?(this.scale+1):(this.scale-1);
if(!this.zoomable()){this.scale=this.startScale;return;}this.draw();return;},zoomable:function(){var A=this.thumbEl.getWidth()/this.minWidth;if(this.minWidth<this.minHeight){A=this.thumbEl.getHeight()/this.minHeight;}var B=Math.ceil(this.imageEl.OriginWidth*this.getScaleLevel()/A);
var C=Math.ceil(this.imageEl.OriginHeight*this.getScaleLevel()/A);var D=this.imageEl.OriginWidth;var E=this.imageEl.OriginHeight;if(this.isDocument&&(this.rotate==0||this.rotate==180)&&(B>this.imageEl.OriginWidth||C>this.imageEl.OriginHeight||(B<this.minWidth&&C<this.minHeight))){return false;
this.mouseY=Roo.isTouch?e.browserEvent.touches[0].pageY:e.getPageY();},onMouseUp:function(e){e.stopEvent();this.dragable=false;},onMouseWheel:function(e){e.stopEvent();this.startScale=this.scale;this.scale=(e.getWheelDelta()==1)?(this.scale+1):(this.scale-1);
if(!this.zoomable()){this.scale=this.startScale;return;}this.draw();return;},zoomable:function(){var A=this.thumbEl.getWidth()/this.minWidth;if(this.minWidth<this.minHeight){A=this.thumbEl.getHeight()/this.minHeight;}var B=Math.ceil(this.imageEl.OriginWidth*this.getScaleLevel()/A);
var C=Math.ceil(this.imageEl.OriginHeight*this.getScaleLevel()/A);var D=this.imageEl.OriginWidth;var E=this.imageEl.OriginHeight;if(this.isDocument&&(this.rotate==0||this.rotate==180)&&(B>this.imageEl.OriginWidth||C>this.imageEl.OriginHeight||(B<this.minWidth&&C<this.minHeight))){return false;