Author: Andy Eades
https://www.elevateweb.co.uk/image-zoom
https://github.com/elevateweb/elevatezoom
https://www.3fingranaggi.com/layout/js/elevatezoom/demo.html
http://localhost:9001/usb1_1_1/www/codebase/js/js_plugins_libs/js_zoom_elevatezoom/demo.html
https://cdnjs.cloudflare.com/ajax/libs/elevatezoom/2.2.3/jquery.elevatezoom.min.js
https://apsolyamov.ru/blog/elevate_zoom_jquery_plagin_s_ehffektom_uvelichenija_chasti_izobrazhenija/2013-08-27-124
Elevate Zoom - jQuery плагин с эффектом увеличения части изображения
https://codepen.io/asifsaho/pen/vNrXzp
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https://www.elevateweb.co.uk/configuration/
zoomActivation: "hover", // Can also be click (PLACEHOLDER FOR NEXT VERSION)
zoomEnabled: true, //false disables zoomwindow from showing
preloading: 1, //by default, load all the images, if 0, then only load images after activated (PLACEHOLDER FOR NEXT VERSION)
zoomLevel: 1, //default zoom level of image
scrollZoom: false, //allow zoom on mousewheel, true to activate
scrollZoomIncrement: 0.1, //steps of the scrollzoom
minZoomLevel: false,
maxZoomLevel: false,
easing: false,
easingAmount: 12,
lensSize: 200,
zoomWindowWidth: 400,
zoomWindowHeight: 400,
zoomWindowOffetx: 0,
zoomWindowOffety: 0,
zoomWindowPosition: 1,
zoomWindowBgColour: "#fff",
lensFadeIn: false,
lensFadeOut: false,
debug: false,
zoomWindowFadeIn: false,
zoomWindowFadeOut: false,
zoomWindowAlwaysShow: false,
zoomTintFadeIn: false,
zoomTintFadeOut: false,
borderSize: 4,
showLens: true,
borderColour: "#888",
lensBorderSize: 1,
lensBorderColour: "#000",
lensShape: "square", //can be "round"
zoomType: "window", //window is default, also "lens" available -
containLensZoom: false,
lensColour: "white", //colour of the lens background
lensOpacity: 0.4, //opacity of the lens
lenszoom: false,
tint: false, //enable the tinting
tintColour: "#333", //default tint color, can be anything, red, #ccc, rgb(0,0,0)
tintOpacity: 0.4, //opacity of the tint
gallery: false,
galleryActiveClass: "zoomGalleryActive",
imageCrossfade: false,
constrainType: false, //width or height
constrainSize: false, //in pixels the dimensions you want to constrain on
loadingIcon: false, //http://www.example.com/spinner.gif
cursor:"default", // user should set to what they want the cursor as, if they have set a click function
responsive:true,
onComplete: $.noop,
onDestroy: function() {},
onZoomedImageLoaded: function() {},
onImageSwap: $.noop,
onImageSwapComplete: $.noop
