myvesta/web/js/iviewer/jquery.iviewer.min.js

/*
 * iviewer Widget for jQuery UI
 * https://github.com/can3p/iviewer
 *
 * Copyright (c) 2009 - 2013 Dmitry Petrov
 * Dual licensed under the MIT license.
 *  - http://www.opensource.org/licenses/mit-license.php
 *
 * Author: Dmitry Petrov
 * Version: 0.7.11
 */

!function($,undefined){function makeMouseEvent(event){var touch=event.originalEvent.changedTouches[0];return $.extend(event,{type:mouseEvents[event.type],which:1,pageX:touch.pageX,pageY:touch.pageY,screenX:touch.screenX,screenY:touch.screenY,clientX:touch.clientX,clientY:touch.clientY,isTouchEvent:!0})}var mouseEvents={touchstart:"mousedown",touchmove:"mousemove",touchend:"mouseup"},gesturesSupport="ongesturestart"in document.createElement("div"),mouseProto=$.ui.mouse.prototype,_mouseInit=$.ui.mouse.prototype._mouseInit;mouseProto._mouseInit=function(){var self=this;self._touchActive=!1,this.element.bind("touchstart."+this.widgetName,function(event){return gesturesSupport&&event.originalEvent.touches.length>1?void 0:(self._touchActive=!0,self._mouseDown(makeMouseEvent(event)))}),this._mouseMoveDelegate=function(event){return gesturesSupport&&event.originalEvent.touches&&event.originalEvent.touches.length>1?void 0:self._touchActive?self._mouseMove(makeMouseEvent(event)):void 0},this._mouseUpDelegate=function(event){return self._touchActive?(self._touchActive=!1,self._mouseUp(makeMouseEvent(event))):void 0},$(document).bind("touchmove."+this.widgetName,this._mouseMoveDelegate).bind("touchend."+this.widgetName,this._mouseUpDelegate),_mouseInit.apply(this)};var setter=function(setter,getter){return function(){return 0===arguments.length?getter.apply(this):void setter.apply(this,arguments)}},ieTransforms={0:{marginLeft:0,marginTop:0,filter:'progid:DXImageTransform.Microsoft.Matrix(M11=1, M12=0, M21=0, M22=1, SizingMethod="auto expand")'},90:{marginLeft:-1,marginTop:1,filter:'progid:DXImageTransform.Microsoft.Matrix(M11=0, M12=-1, M21=1, M22=0, SizingMethod="auto expand")'},180:{marginLeft:0,marginTop:0,filter:'progid:DXImageTransform.Microsoft.Matrix(M11=-1, M12=0, M21=0, M22=-1, SizingMethod="auto expand")'},270:{marginLeft:-1,marginTop:1,filter:'progid:DXImageTransform.Microsoft.Matrix(M11=0, M12=1, M21=-1, M22=0, SizingMethod="auto expand")'}},useIeTransforms=function(){for(var modElem=document.createElement("modernizr"),mStyle=modElem.style,omPrefixes="Webkit Moz O ms",domPrefixes=omPrefixes.toLowerCase().split(" "),props=("transform "+domPrefixes.join("Transform ")+"Transform").split(" "),i=0;i<props.length;i++){var prop=props[i];if(-1==prop.indexOf("-")&&mStyle[prop]!==undefined)return!1}return!0}();$.widget("ui.iviewer",$.ui.mouse,{widgetEventPrefix:"iviewer",options:{zoom:"fit",zoom_base:100,zoom_max:800,zoom_min:25,zoom_delta:1.4,zoom_animation:!0,ui_disabled:!1,mousewheel:!0,update_on_resize:!0,zoom_on_dblclick:!0,fill_container:!1,onZoom:jQuery.noop,onAfterZoom:jQuery.noop,onStartDrag:jQuery.noop,onDrag:jQuery.noop,onStopDrag:jQuery.noop,onMouseMove:jQuery.noop,onClick:jQuery.noop,onDblClick:null,onStartLoad:null,onFinishLoad:null,onErrorLoad:null},_create:function(){var me=this;if(this.dx=0,this.dy=0,this.img_object={},this.zoom_object={},this._angle=0,this.current_zoom=this.options.zoom,null!==this.options.src){if(this.container=this.element,this._updateContainerInfo(),this.container.css("overflow","hidden"),1==this.options.update_on_resize&&$(window).resize(function(){me.update()}),this.img_object=new $.ui.iviewer.ImageObject(this.options.zoom_animation),this.options.mousewheel&&(this.container.bind("mousewheel.iviewer",function(ev,delta){var zoom=delta>0?1:-1,container_offset=me.container.offset(),mouse_pos={x:(ev.pageX||ev.originalEvent.pageX)-container_offset.left,y:(ev.pageY||ev.originalEvent.pageX)-container_offset.top};return me.zoom_by(zoom,mouse_pos),!1}),gesturesSupport)){var originalScale,originalCenter,gestureThrottle=+new Date;this.img_object.object().bind("touchstart",function(ev){originalScale=me.current_zoom;var container_offset,touches=ev.originalEvent.touches;2==touches.length?(container_offset=me.container.offset(),originalCenter={x:(touches[0].pageX+touches[1].pageX)/2-container_offset.left,y:(touches[0].pageY+touches[1].pageY)/2-container_offset.top}):originalCenter=null}).bind("gesturechange.iviewer",function(ev){var d=+new Date;if(!(50>d-gestureThrottle)){gestureThrottle=d;var zoom=origina