[747e744] | 1 | (function (factory) { |
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| 2 | if (typeof define === "function" && define.amd) { |
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| 3 | // AMD. Register as anonymous module. |
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| 4 | define(["jquery"], factory); |
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| 5 | } else if (typeof exports === "object") { |
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| 6 | // Node / CommonJS |
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| 7 | factory(require("jquery")); |
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| 8 | } else { |
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| 9 | // Browser globals. |
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| 10 | factory(jQuery); |
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| 11 | } |
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| 12 | })(function ($) { |
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| 13 | |
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| 14 | "use strict"; |
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| 15 | |
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| 16 | var $window = $(window), |
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| 17 | $document = $(document), |
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| 18 | location = window.location, |
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| 19 | |
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| 20 | // Constants |
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| 21 | TRUE = true, |
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| 22 | FALSE = false, |
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| 23 | NULL = null, |
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| 24 | NAN = NaN, |
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| 25 | INFINITY = Infinity, |
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| 26 | STRING_UNDEFINED = "undefined", |
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| 27 | STRING_DIRECTIVE = "directive", |
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| 28 | CROPPER_NAMESPACE = ".cropper", |
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| 29 | |
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| 30 | // RegExps |
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| 31 | REGEXP_DIRECTIVES = /^(e|n|w|s|ne|nw|sw|se|all|crop|move|zoom)$/, |
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| 32 | REGEXP_OPTIONS = /^(x|y|width|height)$/, |
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| 33 | REGEXP_PROPERTIES = /^(naturalWidth|naturalHeight|width|height|aspectRatio|ratio|rotate)$/, |
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| 34 | |
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| 35 | // Classes |
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| 36 | CLASS_MODAL = "cropper-modal", |
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| 37 | CLASS_HIDDEN = "cropper-hidden", |
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| 38 | CLASS_INVISIBLE = "cropper-invisible", |
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| 39 | CLASS_MOVE = "cropper-move", |
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| 40 | CLASS_CROP = "cropper-crop", |
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| 41 | CLASS_DISABLED = "cropper-disabled", |
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| 42 | |
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| 43 | // Events |
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| 44 | EVENT_MOUSE_DOWN = "mousedown touchstart", |
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| 45 | EVENT_MOUSE_MOVE = "mousemove touchmove", |
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| 46 | EVENT_MOUSE_UP = "mouseup mouseleave touchend touchleave touchcancel", |
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| 47 | EVENT_WHEEL = "wheel mousewheel DOMMouseScroll", |
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| 48 | EVENT_RESIZE = "resize" + CROPPER_NAMESPACE, // Bind to window with namespace |
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| 49 | EVENT_DBLCLICK = "dblclick", |
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| 50 | EVENT_BUILD = "build" + CROPPER_NAMESPACE, |
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| 51 | EVENT_BUILT = "built" + CROPPER_NAMESPACE, |
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| 52 | EVENT_DRAG_START = "dragstart" + CROPPER_NAMESPACE, |
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| 53 | EVENT_DRAG_MOVE = "dragmove" + CROPPER_NAMESPACE, |
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| 54 | EVENT_DRAG_END = "dragend" + CROPPER_NAMESPACE, |
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| 55 | |
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| 56 | // Functions |
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| 57 | isNumber = function (n) { |
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| 58 | return typeof n === "number"; |
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| 59 | }, |
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| 60 | |
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| 61 | toArray = function (obj, offset) { |
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| 62 | var args = []; |
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| 63 | |
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| 64 | if (isNumber(offset)) { // It's necessary for IE8 |
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| 65 | args.push(offset); |
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| 66 | } |
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| 67 | |
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| 68 | return args.slice.apply(obj, args); |
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| 69 | }, |
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| 70 | |
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| 71 | // Custom proxy to avoid jQuery's guid |
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| 72 | proxy = function (fn, context) { |
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| 73 | var args = toArray(arguments, 2); |
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| 74 | |
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| 75 | return function () { |
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| 76 | return fn.apply(context, args.concat(toArray(arguments))); |
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| 77 | }; |
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| 78 | }, |
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| 79 | |
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| 80 | addTimestamp = function (url) { |
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| 81 | var timestamp = "timestamp=" + (new Date()).getTime(); |
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| 82 | |
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| 83 | return (url + (url.indexOf("?") === -1 ? "?" : "&") + timestamp); |
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| 84 | }, |
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| 85 | |
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| 86 | // Constructor |
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| 87 | Cropper = function (element, options) { |
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| 88 | this.element = element; |
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| 89 | this.$element = $(element); |
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| 90 | this.defaults = $.extend({}, Cropper.DEFAULTS, $.isPlainObject(options) ? options : {}); |
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| 91 | this.$original = NULL; |
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| 92 | this.ready = FALSE; |
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| 93 | this.built = FALSE; |
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| 94 | this.cropped = FALSE; |
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| 95 | this.rotated = FALSE; |
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| 96 | this.disabled = FALSE; |
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| 97 | this.replaced = FALSE; |
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| 98 | this.init(); |
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| 99 | }, |
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| 100 | |
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| 101 | // Others |
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| 102 | sqrt = Math.sqrt, |
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| 103 | min = Math.min, |
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| 104 | max = Math.max, |
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| 105 | abs = Math.abs, |
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| 106 | sin = Math.sin, |
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| 107 | cos = Math.cos, |
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| 108 | num = parseFloat; |
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| 109 | |
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| 110 | Cropper.prototype = { |
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| 111 | constructor: Cropper, |
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| 112 | |
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| 113 | support: { |
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| 114 | canvas: $.isFunction($("<canvas>")[0].getContext) |
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| 115 | }, |
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| 116 | |
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| 117 | init: function () { |
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| 118 | var defaults = this.defaults; |
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| 119 | |
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| 120 | $.each(defaults, function (i, n) { |
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| 121 | switch (i) { |
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| 122 | case "aspectRatio": |
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| 123 | defaults[i] = abs(num(n)) || NAN; // 0 -> NaN |
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| 124 | break; |
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| 125 | |
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| 126 | case "autoCropArea": |
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| 127 | defaults[i] = abs(num(n)) || 0.8; // 0 | NaN -> 0.8 |
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| 128 | break; |
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| 129 | |
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| 130 | case "minWidth": |
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| 131 | case "minHeight": |
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| 132 | defaults[i] = abs(num(n)) || 0; // NaN -> 0 |
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| 133 | break; |
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| 134 | |
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| 135 | case "maxWidth": |
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| 136 | case "maxHeight": |
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| 137 | defaults[i] = abs(num(n)) || INFINITY; // 0 | NaN -> Infinity |
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| 138 | break; |
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| 139 | |
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| 140 | // No default |
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| 141 | } |
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| 142 | }); |
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| 143 | |
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| 144 | // Set default image data |
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| 145 | this.image = { |
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| 146 | rotate: 0 |
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| 147 | }; |
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| 148 | |
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| 149 | this.load(); |
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| 150 | }, |
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| 151 | |
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| 152 | load: function () { |
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| 153 | var _this = this, |
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| 154 | $this = this.$element, |
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| 155 | element = this.element, |
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| 156 | image = this.image, |
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| 157 | crossOrigin = "", |
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| 158 | $clone, |
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| 159 | url; |
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| 160 | |
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| 161 | if ($this.is("img")) { |
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| 162 | url = $this.prop("src"); |
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| 163 | } else if ($this.is("canvas") && this.support.canvas) { |
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| 164 | url = element.toDataURL(); |
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| 165 | } |
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| 166 | |
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| 167 | if (!url) { |
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| 168 | return; |
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| 169 | } |
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| 170 | |
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| 171 | // Reset image rotate degree |
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| 172 | if (this.replaced) { |
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| 173 | image.rotate = 0; |
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| 174 | } |
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| 175 | |
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| 176 | if (this.defaults.checkImageOrigin && this.isCrossOriginURL(url)) { |
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| 177 | crossOrigin = " crossOrigin"; |
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| 178 | url = addTimestamp(url); // Bust cache (#119, #148) |
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| 179 | } |
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| 180 | |
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| 181 | this.$clone = ($clone = $("<img" + crossOrigin + ' src="' + url + '">')); |
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| 182 | |
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| 183 | $clone.one("load", function () { |
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| 184 | image.naturalWidth = this.naturalWidth || $clone.width(); |
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| 185 | image.naturalHeight = this.naturalHeight || $clone.height(); |
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| 186 | image.aspectRatio = image.naturalWidth / image.naturalHeight; |
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| 187 | |
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| 188 | _this.url = url; |
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| 189 | _this.ready = TRUE; |
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| 190 | _this.build(); |
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| 191 | }); |
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| 192 | |
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| 193 | // Hide and prepend the clone iamge to the document body (Don't append to). |
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| 194 | $clone.addClass(CLASS_INVISIBLE).prependTo("body"); |
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| 195 | }, |
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| 196 | |
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| 197 | isCrossOriginURL: function (url) { |
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| 198 | var parts = url.match(/^(https?:)\/\/([^\:\/\?#]+):?(\d*)/i); |
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| 199 | |
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| 200 | if (parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port)) { |
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| 201 | return TRUE; |
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| 202 | } |
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| 203 | |
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| 204 | return FALSE; |
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| 205 | }, |
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| 206 | |
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| 207 | build: function () { |
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| 208 | var $this = this.$element, |
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| 209 | defaults = this.defaults, |
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| 210 | buildEvent, |
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| 211 | $cropper; |
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| 212 | |
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| 213 | if (!this.ready) { |
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| 214 | return; |
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| 215 | } |
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| 216 | |
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| 217 | if (this.built) { |
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| 218 | this.unbuild(); |
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| 219 | } |
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| 220 | |
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| 221 | $this.one(EVENT_BUILD, defaults.build); // Only trigger once |
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| 222 | buildEvent = $.Event(EVENT_BUILD); |
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| 223 | $this.trigger(buildEvent); |
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| 224 | |
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| 225 | if (buildEvent.isDefaultPrevented()) { |
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| 226 | return; |
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| 227 | } |
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| 228 | |
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| 229 | // Create cropper elements |
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| 230 | this.$cropper = ($cropper = $(Cropper.TEMPLATE)); |
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| 231 | |
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| 232 | // Hide the original image |
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| 233 | $this.addClass(CLASS_HIDDEN); |
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| 234 | |
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| 235 | // Show and prepend the clone iamge to the cropper |
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| 236 | this.$clone.removeClass(CLASS_INVISIBLE).prependTo($cropper); |
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| 237 | |
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| 238 | // Save original image for rotation |
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| 239 | if (!this.rotated) { |
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| 240 | this.$original = this.$clone.clone(); |
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| 241 | |
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| 242 | // Append the image to document to avoid "NS_ERROR_NOT_AVAILABLE" error on Firefox when call the "drawImage" method. |
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| 243 | this.$original.addClass(CLASS_HIDDEN).prependTo(this.$cropper); |
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| 244 | |
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| 245 | this.originalImage = $.extend({}, this.image); |
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| 246 | } |
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| 247 | |
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| 248 | this.$container = $this.parent(); |
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| 249 | this.$container.append($cropper); |
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| 250 | |
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| 251 | this.$canvas = $cropper.find(".cropper-canvas"); |
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| 252 | this.$dragger = $cropper.find(".cropper-dragger"); |
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| 253 | this.$viewer = $cropper.find(".cropper-viewer"); |
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| 254 | |
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| 255 | defaults.autoCrop ? (this.cropped = TRUE) : this.$dragger.addClass(CLASS_HIDDEN); |
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| 256 | defaults.modal && this.$canvas.addClass(CLASS_MODAL); |
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| 257 | !defaults.dashed && this.$dragger.find(".cropper-dashed").addClass(CLASS_HIDDEN); |
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| 258 | !defaults.movable && this.$dragger.find(".cropper-face").data(STRING_DIRECTIVE, "move"); |
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| 259 | !defaults.resizable && this.$dragger.find(".cropper-line, .cropper-point").addClass(CLASS_HIDDEN); |
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| 260 | |
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| 261 | this.addListeners(); |
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| 262 | this.initPreview(); |
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| 263 | |
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| 264 | this.built = TRUE; // Set `true` before update |
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| 265 | defaults.dragCrop && this.setDragMode("crop"); // Set after built |
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| 266 | this.update(); |
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| 267 | this.replaced = FALSE; // Reset to `false` after update |
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| 268 | |
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| 269 | $this.one(EVENT_BUILT, defaults.built); // Only trigger once |
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| 270 | $this.trigger(EVENT_BUILT); |
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| 271 | }, |
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| 272 | |
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| 273 | unbuild: function () { |
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| 274 | if (!this.built) { |
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| 275 | return; |
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| 276 | } |
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| 277 | |
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| 278 | this.built = FALSE; |
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| 279 | this.removeListeners(); |
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| 280 | |
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| 281 | this.$preview.empty(); |
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| 282 | this.$preview = NULL; |
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| 283 | |
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| 284 | this.$dragger = NULL; |
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| 285 | this.$canvas = NULL; |
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| 286 | this.$container = NULL; |
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| 287 | |
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| 288 | this.$cropper.remove(); |
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| 289 | this.$cropper = NULL; |
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| 290 | }, |
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| 291 | |
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| 292 | update: function (data) { |
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| 293 | this.initContainer(); |
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| 294 | this.initCropper(); |
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| 295 | this.initImage(); |
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| 296 | this.initDragger(); |
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| 297 | |
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| 298 | if (data) { |
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| 299 | this.setData(data, TRUE); |
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| 300 | this.setDragMode("crop"); |
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| 301 | } else { |
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| 302 | this.setData(this.defaults.data); |
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| 303 | } |
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| 304 | }, |
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| 305 | |
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| 306 | resize: function () { |
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| 307 | clearTimeout(this.resizing); |
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| 308 | this.resizing = setTimeout($.proxy(this.update, this, this.getData()), 200); |
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| 309 | }, |
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| 310 | |
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| 311 | preview: function () { |
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| 312 | var image = this.image, |
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| 313 | dragger = this.dragger, |
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| 314 | width = image.width, |
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| 315 | height = image.height, |
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| 316 | left = dragger.left - image.left, |
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| 317 | top = dragger.top - image.top; |
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| 318 | |
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| 319 | this.$viewer.find("img").css({ |
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| 320 | width: width, |
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| 321 | height: height, |
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| 322 | marginLeft: -left, |
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| 323 | marginTop: -top |
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| 324 | }); |
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| 325 | |
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| 326 | this.$preview.each(function () { |
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| 327 | var $this = $(this), |
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| 328 | data = $this.data(), |
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| 329 | ratio = data.width / dragger.width, |
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| 330 | newWidth = data.width, |
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| 331 | newHeight = dragger.height * ratio; |
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| 332 | |
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| 333 | if (newHeight > data.height) { |
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| 334 | ratio = data.height / dragger.height, |
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| 335 | newWidth = dragger.width * ratio; |
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| 336 | newHeight = data.height; |
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| 337 | } |
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| 338 | |
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| 339 | $this.width(newWidth).height(newHeight).find("img").css({ |
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| 340 | width: width * ratio, |
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| 341 | height: height * ratio, |
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| 342 | marginLeft: -left * ratio, |
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| 343 | marginTop: -top * ratio |
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| 344 | }); |
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| 345 | }); |
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| 346 | }, |
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| 347 | |
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| 348 | addListeners: function () { |
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| 349 | var defaults = this.defaults; |
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| 350 | |
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| 351 | this.$element.on(EVENT_DRAG_START, defaults.dragstart).on(EVENT_DRAG_MOVE, defaults.dragmove).on(EVENT_DRAG_END, defaults.dragend); |
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| 352 | this.$cropper.on(EVENT_MOUSE_DOWN, $.proxy(this.dragstart, this)).on(EVENT_DBLCLICK, $.proxy(this.dblclick, this)); |
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| 353 | |
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| 354 | if (defaults.zoomable) { |
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| 355 | this.$cropper.on(EVENT_WHEEL, $.proxy(this.wheel, this)); |
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| 356 | } |
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| 357 | |
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| 358 | if (defaults.multiple) { |
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| 359 | this.$cropper.on(EVENT_MOUSE_MOVE, $.proxy(this.dragmove, this)).on(EVENT_MOUSE_UP, $.proxy(this.dragend, this)); |
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| 360 | } else { |
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| 361 | $document.on(EVENT_MOUSE_MOVE, (this._dragmove = proxy(this.dragmove, this))).on(EVENT_MOUSE_UP, (this._dragend = proxy(this.dragend, this))); |
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| 362 | } |
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| 363 | |
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| 364 | $window.on(EVENT_RESIZE, (this._resize = proxy(this.resize, this))); |
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| 365 | }, |
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| 366 | |
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| 367 | removeListeners: function () { |
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| 368 | var defaults = this.defaults; |
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| 369 | |
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| 370 | this.$element.off(EVENT_DRAG_START, defaults.dragstart).off(EVENT_DRAG_MOVE, defaults.dragmove).off(EVENT_DRAG_END, defaults.dragend); |
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| 371 | this.$cropper.off(EVENT_MOUSE_DOWN, this.dragstart).off(EVENT_DBLCLICK, this.dblclick); |
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| 372 | |
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| 373 | if (defaults.zoomable) { |
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| 374 | this.$cropper.off(EVENT_WHEEL, this.wheel); |
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| 375 | } |
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| 376 | |
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| 377 | if (defaults.multiple) { |
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| 378 | this.$cropper.off(EVENT_MOUSE_MOVE, this.dragmove).off(EVENT_MOUSE_UP, this.dragend); |
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| 379 | } else { |
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| 380 | $document.off(EVENT_MOUSE_MOVE, this._dragmove).off(EVENT_MOUSE_UP, this._dragend); |
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| 381 | } |
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| 382 | |
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| 383 | $window.off(EVENT_RESIZE, this._resize); |
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| 384 | }, |
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| 385 | |
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| 386 | initPreview: function () { |
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| 387 | var url = this.url; |
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| 388 | |
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| 389 | this.$preview = $(this.defaults.preview); |
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| 390 | this.$viewer.html('<img src="' + url + '">'); |
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| 391 | |
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| 392 | this.$preview.each(function () { |
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| 393 | var $this = $(this); |
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| 394 | |
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| 395 | $this.data({ |
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| 396 | width: $this.width(), |
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| 397 | height: $this.height() |
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| 398 | }).html('<img src="' + url + '" style="display:block;width:100%;min-width:0!important;min-height:0!important;max-width:none!important;max-height:none!important;">'); |
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| 399 | }); |
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| 400 | }, |
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| 401 | |
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| 402 | initContainer: function () { |
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| 403 | var $this = this.$element, |
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| 404 | $container = this.$container, |
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| 405 | $cropper = this.$cropper, |
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| 406 | defaults = this.defaults; |
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| 407 | |
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| 408 | $cropper.addClass(CLASS_HIDDEN); |
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| 409 | $this.removeClass(CLASS_HIDDEN); |
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| 410 | |
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| 411 | this.container = { |
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| 412 | width: max($container.width(), defaults.minContainerWidth), |
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| 413 | height: max($container.height(), defaults.minContainerHeight) |
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| 414 | }; |
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| 415 | |
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| 416 | $this.addClass(CLASS_HIDDEN); |
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| 417 | $cropper.removeClass(CLASS_HIDDEN); |
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| 418 | }, |
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| 419 | |
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| 420 | initCropper: function () { |
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| 421 | var container = this.container, |
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| 422 | image = this.image, |
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| 423 | cropper; |
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| 424 | |
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| 425 | if (((image.naturalWidth * container.height / image.naturalHeight) - container.width) >= 0) { |
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| 426 | cropper = { |
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| 427 | width: container.width, |
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| 428 | height: container.width / image.aspectRatio, |
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| 429 | left: 0 |
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| 430 | }; |
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| 431 | |
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| 432 | cropper.top = (container.height - cropper.height) / 2; |
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| 433 | } else { |
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| 434 | cropper = { |
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| 435 | width: container.height * image.aspectRatio, |
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| 436 | height: container.height, |
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| 437 | top: 0 |
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| 438 | }; |
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| 439 | |
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| 440 | cropper.left = (container.width - cropper.width) / 2; |
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| 441 | } |
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| 442 | |
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| 443 | this.$cropper.css({ |
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| 444 | width: cropper.width, |
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| 445 | height: cropper.height, |
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| 446 | left: cropper.left, |
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| 447 | top: cropper.top |
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| 448 | }); |
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| 449 | |
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| 450 | this.cropper = cropper; |
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| 451 | }, |
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| 452 | |
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| 453 | initImage: function () { |
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| 454 | var image = this.image, |
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| 455 | cropper = this.cropper, |
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| 456 | defaultImage = { |
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| 457 | _width: cropper.width, |
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| 458 | _height: cropper.height, |
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| 459 | width: cropper.width, |
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| 460 | height: cropper.height, |
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| 461 | left: 0, |
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| 462 | top: 0, |
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| 463 | ratio: cropper.width / image.naturalWidth |
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| 464 | }; |
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| 465 | |
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| 466 | this.defaultImage = $.extend({}, image, defaultImage); |
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| 467 | |
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| 468 | if (image._width !== cropper.width || image._height !== cropper.height) { |
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| 469 | $.extend(image, defaultImage); |
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| 470 | } else { |
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| 471 | image = $.extend({}, defaultImage, image); |
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| 472 | |
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| 473 | // Reset image ratio |
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| 474 | if (this.replaced) { |
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| 475 | image.ratio = defaultImage.ratio; |
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| 476 | } |
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| 477 | } |
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| 478 | |
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| 479 | this.image = image; |
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| 480 | this.renderImage(); |
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| 481 | }, |
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| 482 | |
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| 483 | renderImage: function (mode) { |
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| 484 | var image = this.image; |
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| 485 | |
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| 486 | if (mode === "zoom") { |
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| 487 | image.left -= (image.width - image.oldWidth) / 2; |
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| 488 | image.top -= (image.height - image.oldHeight) / 2; |
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| 489 | } |
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| 490 | |
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| 491 | image.left = min(max(image.left, image._width - image.width), 0); |
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| 492 | image.top = min(max(image.top, image._height - image.height), 0); |
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| 493 | |
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| 494 | this.$clone.css({ |
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| 495 | width: image.width, |
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| 496 | height: image.height, |
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| 497 | marginLeft: image.left, |
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| 498 | marginTop: image.top |
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| 499 | }); |
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| 500 | |
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| 501 | if (mode) { |
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| 502 | this.defaults.done(this.getData()); |
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| 503 | this.preview(); |
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| 504 | } |
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| 505 | }, |
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| 506 | |
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| 507 | initDragger: function () { |
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| 508 | var defaults = this.defaults, |
---|
| 509 | cropper = this.cropper, |
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| 510 | // If not set, use the original aspect ratio of the image. |
---|
| 511 | aspectRatio = defaults.aspectRatio || this.image.aspectRatio, |
---|
| 512 | ratio = this.image.ratio, |
---|
| 513 | autoCropDragger, |
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| 514 | dragger; |
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| 515 | |
---|
| 516 | if (((cropper.height * aspectRatio) - cropper.width) >= 0) { |
---|
| 517 | dragger = { |
---|
| 518 | height: cropper.width / aspectRatio, |
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| 519 | width: cropper.width, |
---|
| 520 | left: 0, |
---|
| 521 | top: (cropper.height - (cropper.width / aspectRatio)) / 2, |
---|
| 522 | maxWidth: cropper.width, |
---|
| 523 | maxHeight: cropper.width / aspectRatio |
---|
| 524 | }; |
---|
| 525 | } else { |
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| 526 | dragger = { |
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| 527 | height: cropper.height, |
---|
| 528 | width: cropper.height * aspectRatio, |
---|
| 529 | left: (cropper.width - (cropper.height * aspectRatio)) / 2, |
---|
| 530 | top: 0, |
---|
| 531 | maxWidth: cropper.height * aspectRatio, |
---|
| 532 | maxHeight: cropper.height |
---|
| 533 | }; |
---|
| 534 | } |
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| 535 | |
---|
| 536 | dragger.minWidth = 0; |
---|
| 537 | dragger.minHeight = 0; |
---|
| 538 | |
---|
| 539 | if (defaults.aspectRatio) { |
---|
| 540 | if (isFinite(defaults.maxWidth)) { |
---|
| 541 | dragger.maxWidth = min(dragger.maxWidth, defaults.maxWidth * ratio); |
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| 542 | dragger.maxHeight = dragger.maxWidth / aspectRatio; |
---|
| 543 | } else if (isFinite(defaults.maxHeight)) { |
---|
| 544 | dragger.maxHeight = min(dragger.maxHeight, defaults.maxHeight * ratio); |
---|
| 545 | dragger.maxWidth = dragger.maxHeight * aspectRatio; |
---|
| 546 | } |
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| 547 | |
---|
| 548 | if (defaults.minWidth > 0) { |
---|
| 549 | dragger.minWidth = max(0, defaults.minWidth * ratio); |
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| 550 | dragger.minHeight = dragger.minWidth / aspectRatio; |
---|
| 551 | } else if (defaults.minHeight > 0) { |
---|
| 552 | dragger.minHeight = max(0, defaults.minHeight * ratio); |
---|
| 553 | dragger.minWidth = dragger.minHeight * aspectRatio; |
---|
| 554 | } |
---|
| 555 | } else { |
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| 556 | dragger.maxWidth = min(dragger.maxWidth, defaults.maxWidth * ratio); |
---|
| 557 | dragger.maxHeight = min(dragger.maxHeight, defaults.maxHeight * ratio); |
---|
| 558 | dragger.minWidth = max(0, defaults.minWidth * ratio); |
---|
| 559 | dragger.minHeight = max(0, defaults.minHeight * ratio); |
---|
| 560 | } |
---|
| 561 | |
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| 562 | // minWidth can't be greater than maxWidth, and minHeight too. |
---|
| 563 | dragger.minWidth = min(dragger.maxWidth, dragger.minWidth); |
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| 564 | dragger.minHeight = min(dragger.maxHeight, dragger.minHeight); |
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| 565 | |
---|
| 566 | // Center the dragger by default |
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| 567 | autoCropDragger = $.extend({}, dragger); |
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| 568 | |
---|
| 569 | // The width of auto crop area must large than minWidth, and the height too. (#164) |
---|
| 570 | autoCropDragger.width = max(dragger.minWidth, dragger.width * defaults.autoCropArea); |
---|
| 571 | autoCropDragger.height = max(dragger.minHeight, dragger.height * defaults.autoCropArea); |
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| 572 | autoCropDragger.left = (cropper.width - autoCropDragger.width) / 2; |
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| 573 | autoCropDragger.top = (cropper.height - autoCropDragger.height) / 2; |
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| 574 | |
---|
| 575 | autoCropDragger.oldLeft = dragger.oldLeft = dragger.left; |
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| 576 | autoCropDragger.oldTop = dragger.oldTop = dragger.top; |
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| 577 | |
---|
| 578 | this.autoCropDragger = autoCropDragger; |
---|
| 579 | this.defaultDragger = $.extend({}, dragger); |
---|
| 580 | this.dragger = dragger; |
---|
| 581 | }, |
---|
| 582 | |
---|
| 583 | renderDragger: function () { |
---|
| 584 | var dragger = this.dragger, |
---|
| 585 | cropper = this.cropper; |
---|
| 586 | |
---|
| 587 | if (dragger.width > dragger.maxWidth) { |
---|
| 588 | dragger.width = dragger.maxWidth; |
---|
| 589 | dragger.left = dragger.oldLeft; |
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| 590 | } else if (dragger.width < dragger.minWidth) { |
---|
| 591 | dragger.width = dragger.minWidth; |
---|
| 592 | dragger.left = dragger.oldLeft; |
---|
| 593 | } |
---|
| 594 | |
---|
| 595 | if (dragger.height > dragger.maxHeight) { |
---|
| 596 | dragger.height = dragger.maxHeight; |
---|
| 597 | dragger.top = dragger.oldTop; |
---|
| 598 | } else if (dragger.height < dragger.minHeight) { |
---|
| 599 | dragger.height = dragger.minHeight; |
---|
| 600 | dragger.top = dragger.oldTop; |
---|
| 601 | } |
---|
| 602 | |
---|
| 603 | dragger.left = min(max(dragger.left, 0), cropper.width - dragger.width); |
---|
| 604 | dragger.top = min(max(dragger.top, 0), cropper.height - dragger.height); |
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| 605 | dragger.oldLeft = dragger.left; |
---|
| 606 | dragger.oldTop = dragger.top; |
---|
| 607 | |
---|
| 608 | // Re-render the dragger |
---|
| 609 | this.dragger = dragger; |
---|
| 610 | |
---|
| 611 | // #186 |
---|
| 612 | if (this.defaults.movable) { |
---|
| 613 | this.$dragger.find(".cropper-face").data(STRING_DIRECTIVE, (dragger.width === cropper.width && dragger.height === cropper.height) ? "move" : "all"); |
---|
| 614 | } |
---|
| 615 | |
---|
| 616 | if (!this.disabled) { |
---|
| 617 | this.defaults.done(this.getData()); |
---|
| 618 | } |
---|
| 619 | |
---|
| 620 | this.$dragger.css({ |
---|
| 621 | width: dragger.width, |
---|
| 622 | height: dragger.height, |
---|
| 623 | left: dragger.left, |
---|
| 624 | top: dragger.top |
---|
| 625 | }); |
---|
| 626 | |
---|
| 627 | this.preview(); |
---|
| 628 | }, |
---|
| 629 | |
---|
| 630 | reset: function (deep) { |
---|
| 631 | if (!this.cropped || this.disabled) { |
---|
| 632 | return; |
---|
| 633 | } |
---|
| 634 | |
---|
| 635 | if (deep) { |
---|
| 636 | this.defaults.data = {}; |
---|
| 637 | } |
---|
| 638 | |
---|
| 639 | this.image = $.extend({}, this.defaultImage); |
---|
| 640 | this.renderImage(); |
---|
| 641 | this.dragger = $.extend({}, this.defaultDragger); |
---|
| 642 | this.setData(this.defaults.data); |
---|
| 643 | }, |
---|
| 644 | |
---|
| 645 | clear: function () { |
---|
| 646 | if (!this.cropped || this.disabled) { |
---|
| 647 | return; |
---|
| 648 | } |
---|
| 649 | |
---|
| 650 | this.cropped = FALSE; |
---|
| 651 | |
---|
| 652 | this.setData({ |
---|
| 653 | x: 0, |
---|
| 654 | y: 0, |
---|
| 655 | width: 0, |
---|
| 656 | height: 0 |
---|
| 657 | }); |
---|
| 658 | |
---|
| 659 | this.$canvas.removeClass(CLASS_MODAL); |
---|
| 660 | this.$dragger.addClass(CLASS_HIDDEN); |
---|
| 661 | }, |
---|
| 662 | |
---|
| 663 | destroy: function () { |
---|
| 664 | var $this = this.$element; |
---|
| 665 | |
---|
| 666 | if (!this.ready) { |
---|
| 667 | this.$clone.off("load").remove(); |
---|
| 668 | } |
---|
| 669 | |
---|
| 670 | this.unbuild(); |
---|
| 671 | $this.removeClass(CLASS_HIDDEN).removeData("cropper"); |
---|
| 672 | |
---|
| 673 | if (this.rotated) { |
---|
| 674 | $this.attr("src", this.$original.attr("src")); |
---|
| 675 | } |
---|
| 676 | }, |
---|
| 677 | |
---|
| 678 | replace: function (url, /*INTERNAL*/ rotated) { |
---|
| 679 | var _this = this, |
---|
| 680 | $this = this.$element, |
---|
| 681 | element = this.element, |
---|
| 682 | context; |
---|
| 683 | |
---|
| 684 | if (!this.disabled && url && url !== this.url && url !== $this.attr("src")) { |
---|
| 685 | if (!rotated) { |
---|
| 686 | this.rotated = FALSE; |
---|
| 687 | this.replaced = TRUE; |
---|
| 688 | } |
---|
| 689 | |
---|
| 690 | if ($this.is("img")) { |
---|
| 691 | $this.attr("src", url); |
---|
| 692 | this.load(); |
---|
| 693 | } else if ($this.is("canvas") && this.support.canvas) { |
---|
| 694 | context = element.getContext("2d"); |
---|
| 695 | |
---|
| 696 | $('<img src="' + url + '">').one("load", function () { |
---|
| 697 | element.width = this.width; |
---|
| 698 | element.height = this.height; |
---|
| 699 | context.clearRect(0, 0, element.width, element.height); |
---|
| 700 | context.drawImage(this, 0, 0); |
---|
| 701 | _this.load(); |
---|
| 702 | }); |
---|
| 703 | } |
---|
| 704 | } |
---|
| 705 | }, |
---|
| 706 | |
---|
| 707 | setData: function (data, /*INTERNAL*/ once) { |
---|
| 708 | var cropper = this.cropper, |
---|
| 709 | dragger = this.dragger, |
---|
| 710 | image = this.image, |
---|
| 711 | aspectRatio = this.defaults.aspectRatio; |
---|
| 712 | |
---|
| 713 | if (!this.built || this.disabled || typeof data === STRING_UNDEFINED) { |
---|
| 714 | return; |
---|
| 715 | } |
---|
| 716 | |
---|
| 717 | if (data === NULL || $.isEmptyObject(data)) { |
---|
| 718 | dragger = $.extend({}, this.autoCropDragger); |
---|
| 719 | } |
---|
| 720 | |
---|
| 721 | if ($.isPlainObject(data) && !$.isEmptyObject(data)) { |
---|
| 722 | |
---|
| 723 | if (!once) { |
---|
| 724 | this.defaults.data = data; |
---|
| 725 | } |
---|
| 726 | |
---|
| 727 | data = this.transformData(data); |
---|
| 728 | |
---|
| 729 | if (isNumber(data.x) && data.x <= cropper.width - image.left) { |
---|
| 730 | dragger.left = data.x + image.left; |
---|
| 731 | } |
---|
| 732 | |
---|
| 733 | if (isNumber(data.y) && data.y <= cropper.height - image.top) { |
---|
| 734 | dragger.top = data.y + image.top; |
---|
| 735 | } |
---|
| 736 | |
---|
| 737 | if (aspectRatio) { |
---|
| 738 | if (isNumber(data.width) && data.width <= dragger.maxWidth && data.width >= dragger.minWidth) { |
---|
| 739 | dragger.width = data.width; |
---|
| 740 | dragger.height = dragger.width / aspectRatio; |
---|
| 741 | } else if (isNumber(data.height) && data.height <= dragger.maxHeight && data.height >= dragger.minHeight) { |
---|
| 742 | dragger.height = data.height; |
---|
| 743 | dragger.width = dragger.height * aspectRatio; |
---|
| 744 | } |
---|
| 745 | } else { |
---|
| 746 | if (isNumber(data.width) && data.width <= dragger.maxWidth && data.width >= dragger.minWidth) { |
---|
| 747 | dragger.width = data.width; |
---|
| 748 | } |
---|
| 749 | |
---|
| 750 | if (isNumber(data.height) && data.height <= dragger.maxHeight && data.height >= dragger.minHeight) { |
---|
| 751 | dragger.height = data.height; |
---|
| 752 | } |
---|
| 753 | } |
---|
| 754 | } |
---|
| 755 | |
---|
| 756 | this.dragger = dragger; |
---|
| 757 | this.renderDragger(); |
---|
| 758 | }, |
---|
| 759 | |
---|
| 760 | getData: function (rounded) { |
---|
| 761 | var dragger = this.dragger, |
---|
| 762 | image = this.image, |
---|
| 763 | data = {}; |
---|
| 764 | |
---|
| 765 | if (this.built) { |
---|
| 766 | data = { |
---|
| 767 | x: dragger.left - image.left, |
---|
| 768 | y: dragger.top - image.top, |
---|
| 769 | width: dragger.width, |
---|
| 770 | height: dragger.height |
---|
| 771 | }; |
---|
| 772 | |
---|
| 773 | data = this.transformData(data, TRUE, rounded); |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | return data; |
---|
| 777 | }, |
---|
| 778 | |
---|
| 779 | transformData: function (data, reversed, rounded) { |
---|
| 780 | var ratio = this.image.ratio, |
---|
| 781 | result = {}; |
---|
| 782 | |
---|
| 783 | $.each(data, function (i, n) { |
---|
| 784 | n = num(n); |
---|
| 785 | |
---|
| 786 | if (REGEXP_OPTIONS.test(i) && !isNaN(n)) { |
---|
| 787 | result[i] = reversed ? (rounded ? Math.round(n / ratio) : n / ratio) : n * ratio; |
---|
| 788 | } |
---|
| 789 | }); |
---|
| 790 | |
---|
| 791 | return result; |
---|
| 792 | }, |
---|
| 793 | |
---|
| 794 | setAspectRatio: function (aspectRatio) { |
---|
| 795 | var freeRatio = aspectRatio === "auto"; |
---|
| 796 | |
---|
| 797 | if (this.disabled) { |
---|
| 798 | return; |
---|
| 799 | } |
---|
| 800 | |
---|
| 801 | aspectRatio = num(aspectRatio); |
---|
| 802 | |
---|
| 803 | if (freeRatio || (!isNaN(aspectRatio) && aspectRatio > 0)) { |
---|
| 804 | this.defaults.aspectRatio = freeRatio ? NAN : aspectRatio; |
---|
| 805 | |
---|
| 806 | if (this.built) { |
---|
| 807 | this.initDragger(); |
---|
| 808 | this.renderDragger(); |
---|
| 809 | this.setData(this.defaults.data); // Reset to initial state |
---|
| 810 | } |
---|
| 811 | } |
---|
| 812 | }, |
---|
| 813 | |
---|
| 814 | getImageData: function () { |
---|
| 815 | var data = {}; |
---|
| 816 | |
---|
| 817 | if (this.ready) { |
---|
| 818 | $.each(this.image, function (name, value) { |
---|
| 819 | if (REGEXP_PROPERTIES.test(name)) { |
---|
| 820 | data[name] = value; |
---|
| 821 | } |
---|
| 822 | }); |
---|
| 823 | } |
---|
| 824 | |
---|
| 825 | return data; |
---|
| 826 | }, |
---|
| 827 | |
---|
| 828 | getDataURL: function (options, type, quality) { |
---|
| 829 | var canvas = $("<canvas>")[0], |
---|
| 830 | data = this.getData(), |
---|
| 831 | dataURL = "", |
---|
| 832 | context; |
---|
| 833 | |
---|
| 834 | if (!$.isPlainObject(options)) { |
---|
| 835 | quality = type; |
---|
| 836 | type = options; |
---|
| 837 | options = {}; |
---|
| 838 | } |
---|
| 839 | |
---|
| 840 | options = $.extend({ |
---|
| 841 | width: data.width, |
---|
| 842 | height: data.height |
---|
| 843 | }, options); |
---|
| 844 | |
---|
| 845 | if (this.cropped && this.support.canvas) { |
---|
| 846 | canvas.width = options.width; |
---|
| 847 | canvas.height = options.height; |
---|
| 848 | context = canvas.getContext("2d"); |
---|
| 849 | |
---|
| 850 | if (type === "image/jpeg") { |
---|
| 851 | context.fillStyle = "#fff"; |
---|
| 852 | context.fillRect(0, 0, options.width, options.height); |
---|
| 853 | } |
---|
| 854 | |
---|
| 855 | context.drawImage(this.$clone[0], data.x, data.y, data.width, data.height, 0, 0, options.width, options.height); |
---|
| 856 | dataURL = canvas.toDataURL(type, quality); |
---|
| 857 | } |
---|
| 858 | |
---|
| 859 | return dataURL; |
---|
| 860 | }, |
---|
| 861 | |
---|
| 862 | setDragMode: function (mode) { |
---|
| 863 | var $canvas = this.$canvas, |
---|
| 864 | defaults = this.defaults, |
---|
| 865 | cropable = FALSE, |
---|
| 866 | movable = FALSE; |
---|
| 867 | |
---|
| 868 | if (!this.built || this.disabled) { |
---|
| 869 | return; |
---|
| 870 | } |
---|
| 871 | |
---|
| 872 | switch (mode) { |
---|
| 873 | case "crop": |
---|
| 874 | if (defaults.dragCrop) { |
---|
| 875 | cropable = TRUE; |
---|
| 876 | $canvas.data(STRING_DIRECTIVE, mode); |
---|
| 877 | } |
---|
| 878 | |
---|
| 879 | break; |
---|
| 880 | |
---|
| 881 | case "move": |
---|
| 882 | movable = TRUE; |
---|
| 883 | $canvas.data(STRING_DIRECTIVE, mode); |
---|
| 884 | |
---|
| 885 | break; |
---|
| 886 | |
---|
| 887 | default: |
---|
| 888 | $canvas.removeData(STRING_DIRECTIVE); |
---|
| 889 | } |
---|
| 890 | |
---|
| 891 | $canvas.toggleClass(CLASS_CROP, cropable).toggleClass(CLASS_MOVE, movable); |
---|
| 892 | }, |
---|
| 893 | |
---|
| 894 | enable: function () { |
---|
| 895 | if (this.built) { |
---|
| 896 | this.disabled = FALSE; |
---|
| 897 | this.$cropper.removeClass(CLASS_DISABLED); |
---|
| 898 | } |
---|
| 899 | }, |
---|
| 900 | |
---|
| 901 | disable: function () { |
---|
| 902 | if (this.built) { |
---|
| 903 | this.disabled = TRUE; |
---|
| 904 | this.$cropper.addClass(CLASS_DISABLED); |
---|
| 905 | } |
---|
| 906 | }, |
---|
| 907 | |
---|
| 908 | rotate: function (degree) { |
---|
| 909 | var image = this.image; |
---|
| 910 | |
---|
| 911 | degree = num(degree) || 0; |
---|
| 912 | |
---|
| 913 | if (!this.built || degree === 0 || this.disabled || !this.defaults.rotatable || !this.support.canvas) { |
---|
| 914 | return; |
---|
| 915 | } |
---|
| 916 | |
---|
| 917 | this.rotated = TRUE; |
---|
| 918 | degree = (image.rotate = (image.rotate + degree) % 360); |
---|
| 919 | |
---|
| 920 | // replace with "true" to prevent to override the original image |
---|
| 921 | this.replace(this.getRotatedDataURL(degree), true); |
---|
| 922 | }, |
---|
| 923 | |
---|
| 924 | getRotatedDataURL: function (degree) { |
---|
| 925 | var canvas = $("<canvas>")[0], |
---|
| 926 | context = canvas.getContext("2d"), |
---|
| 927 | originalImage = this.originalImage, |
---|
| 928 | naturalWidth = originalImage.naturalWidth, |
---|
| 929 | naturalHeight = originalImage.naturalHeight, |
---|
| 930 | deg = abs(degree) % 180, |
---|
| 931 | arc = (deg > 90 ? (180 - deg) : deg) * Math.PI / 180, |
---|
| 932 | width = naturalWidth * cos(arc) + naturalHeight * sin(arc), |
---|
| 933 | height = naturalWidth * sin(arc) + naturalHeight * cos(arc); |
---|
| 934 | |
---|
| 935 | canvas.width = width; |
---|
| 936 | canvas.height = height; |
---|
| 937 | context.save(); |
---|
| 938 | context.translate(width / 2, height / 2); |
---|
| 939 | context.rotate(degree * Math.PI / 180); |
---|
| 940 | context.drawImage(this.$original[0], -naturalWidth / 2, -naturalHeight / 2, naturalWidth, naturalHeight); |
---|
| 941 | context.restore(); |
---|
| 942 | |
---|
| 943 | return canvas.toDataURL(); |
---|
| 944 | }, |
---|
| 945 | |
---|
| 946 | zoom: function (delta) { |
---|
| 947 | var image = this.image, |
---|
| 948 | width, |
---|
| 949 | height, |
---|
| 950 | range; |
---|
| 951 | |
---|
| 952 | delta = num(delta); |
---|
| 953 | |
---|
| 954 | if (!this.built || !delta || this.disabled || !this.defaults.zoomable) { |
---|
| 955 | return; |
---|
| 956 | } |
---|
| 957 | |
---|
| 958 | width = image.width * (1 + delta); |
---|
| 959 | height = image.height * (1 + delta); |
---|
| 960 | range = width / image._width; |
---|
| 961 | |
---|
| 962 | if (range > 10) { |
---|
| 963 | return; |
---|
| 964 | } |
---|
| 965 | |
---|
| 966 | if (range < 1) { |
---|
| 967 | width = image._width; |
---|
| 968 | height = image._height; |
---|
| 969 | } |
---|
| 970 | |
---|
| 971 | if (range <= 1) { |
---|
| 972 | this.setDragMode("crop"); |
---|
| 973 | } else { |
---|
| 974 | this.setDragMode("move"); |
---|
| 975 | } |
---|
| 976 | |
---|
| 977 | image.oldWidth = image.width; |
---|
| 978 | image.oldHeight = image.height; |
---|
| 979 | |
---|
| 980 | image.width = width; |
---|
| 981 | image.height = height; |
---|
| 982 | image.ratio = image.width / image.naturalWidth; |
---|
| 983 | |
---|
| 984 | this.renderImage("zoom"); |
---|
| 985 | }, |
---|
| 986 | |
---|
| 987 | dblclick: function () { |
---|
| 988 | if (this.disabled) { |
---|
| 989 | return; |
---|
| 990 | } |
---|
| 991 | |
---|
| 992 | if (this.$canvas.hasClass(CLASS_CROP)) { |
---|
| 993 | this.setDragMode("move"); |
---|
| 994 | } else { |
---|
| 995 | this.setDragMode("crop"); |
---|
| 996 | } |
---|
| 997 | }, |
---|
| 998 | |
---|
| 999 | wheel: function (event) { |
---|
| 1000 | var e = event.originalEvent, |
---|
| 1001 | delta = 1; |
---|
| 1002 | |
---|
| 1003 | if (this.disabled) { |
---|
| 1004 | return; |
---|
| 1005 | } |
---|
| 1006 | |
---|
| 1007 | event.preventDefault(); |
---|
| 1008 | |
---|
| 1009 | if (e.deltaY) { |
---|
| 1010 | delta = e.deltaY > 0 ? 1 : -1; |
---|
| 1011 | } else if (e.wheelDelta) { |
---|
| 1012 | delta = -e.wheelDelta / 120; |
---|
| 1013 | } else if (e.detail) { |
---|
| 1014 | delta = e.detail > 0 ? 1 : -1; |
---|
| 1015 | } |
---|
| 1016 | |
---|
| 1017 | this.zoom(delta * 0.1); |
---|
| 1018 | }, |
---|
| 1019 | |
---|
| 1020 | dragstart: function (event) { |
---|
| 1021 | var touches = event.originalEvent.touches, |
---|
| 1022 | e = event, |
---|
| 1023 | directive, |
---|
| 1024 | dragStartEvent, |
---|
| 1025 | touchesLength; |
---|
| 1026 | |
---|
| 1027 | if (this.disabled) { |
---|
| 1028 | return; |
---|
| 1029 | } |
---|
| 1030 | |
---|
| 1031 | if (touches) { |
---|
| 1032 | touchesLength = touches.length; |
---|
| 1033 | |
---|
| 1034 | if (touchesLength > 1) { |
---|
| 1035 | if (this.defaults.zoomable && touchesLength === 2) { |
---|
| 1036 | e = touches[1]; |
---|
| 1037 | this.startX2 = e.pageX; |
---|
| 1038 | this.startY2 = e.pageY; |
---|
| 1039 | directive = "zoom"; |
---|
| 1040 | } else { |
---|
| 1041 | return; |
---|
| 1042 | } |
---|
| 1043 | } |
---|
| 1044 | |
---|
| 1045 | e = touches[0]; |
---|
| 1046 | } |
---|
| 1047 | |
---|
| 1048 | directive = directive || $(e.target).data(STRING_DIRECTIVE); |
---|
| 1049 | |
---|
| 1050 | if (REGEXP_DIRECTIVES.test(directive)) { |
---|
| 1051 | event.preventDefault(); |
---|
| 1052 | |
---|
| 1053 | dragStartEvent = $.Event(EVENT_DRAG_START); |
---|
| 1054 | this.$element.trigger(dragStartEvent); |
---|
| 1055 | |
---|
| 1056 | if (dragStartEvent.isDefaultPrevented()) { |
---|
| 1057 | return; |
---|
| 1058 | } |
---|
| 1059 | |
---|
| 1060 | this.directive = directive; |
---|
| 1061 | this.cropping = FALSE; |
---|
| 1062 | this.startX = e.pageX; |
---|
| 1063 | this.startY = e.pageY; |
---|
| 1064 | |
---|
| 1065 | if (directive === "crop") { |
---|
| 1066 | this.cropping = TRUE; |
---|
| 1067 | this.$canvas.addClass(CLASS_MODAL); |
---|
| 1068 | } |
---|
| 1069 | } |
---|
| 1070 | }, |
---|
| 1071 | |
---|
| 1072 | dragmove: function (event) { |
---|
| 1073 | var touches = event.originalEvent.touches, |
---|
| 1074 | e = event, |
---|
| 1075 | dragMoveEvent, |
---|
| 1076 | touchesLength; |
---|
| 1077 | |
---|
| 1078 | if (this.disabled) { |
---|
| 1079 | return; |
---|
| 1080 | } |
---|
| 1081 | |
---|
| 1082 | if (touches) { |
---|
| 1083 | touchesLength = touches.length; |
---|
| 1084 | |
---|
| 1085 | if (touchesLength > 1) { |
---|
| 1086 | if (this.defaults.zoomable && touchesLength === 2) { |
---|
| 1087 | e = touches[1]; |
---|
| 1088 | this.endX2 = e.pageX; |
---|
| 1089 | this.endY2 = e.pageY; |
---|
| 1090 | } else { |
---|
| 1091 | return; |
---|
| 1092 | } |
---|
| 1093 | } |
---|
| 1094 | |
---|
| 1095 | e = touches[0]; |
---|
| 1096 | } |
---|
| 1097 | |
---|
| 1098 | if (this.directive) { |
---|
| 1099 | event.preventDefault(); |
---|
| 1100 | |
---|
| 1101 | dragMoveEvent = $.Event(EVENT_DRAG_MOVE); |
---|
| 1102 | this.$element.trigger(dragMoveEvent); |
---|
| 1103 | |
---|
| 1104 | if (dragMoveEvent.isDefaultPrevented()) { |
---|
| 1105 | return; |
---|
| 1106 | } |
---|
| 1107 | |
---|
| 1108 | this.endX = e.pageX; |
---|
| 1109 | this.endY = e.pageY; |
---|
| 1110 | |
---|
| 1111 | this.dragging(); |
---|
| 1112 | } |
---|
| 1113 | }, |
---|
| 1114 | |
---|
| 1115 | dragend: function (event) { |
---|
| 1116 | var dragEndEvent; |
---|
| 1117 | |
---|
| 1118 | if (this.disabled) { |
---|
| 1119 | return; |
---|
| 1120 | } |
---|
| 1121 | |
---|
| 1122 | if (this.directive) { |
---|
| 1123 | event.preventDefault(); |
---|
| 1124 | |
---|
| 1125 | dragEndEvent = $.Event(EVENT_DRAG_END); |
---|
| 1126 | this.$element.trigger(dragEndEvent); |
---|
| 1127 | |
---|
| 1128 | if (dragEndEvent.isDefaultPrevented()) { |
---|
| 1129 | return; |
---|
| 1130 | } |
---|
| 1131 | |
---|
| 1132 | if (this.cropping) { |
---|
| 1133 | this.cropping = FALSE; |
---|
| 1134 | this.$canvas.toggleClass(CLASS_MODAL, this.cropped && this.defaults.modal); |
---|
| 1135 | } |
---|
| 1136 | |
---|
| 1137 | this.directive = ""; |
---|
| 1138 | } |
---|
| 1139 | }, |
---|
| 1140 | |
---|
| 1141 | dragging: function () { |
---|
| 1142 | var directive = this.directive, |
---|
| 1143 | image = this.image, |
---|
| 1144 | cropper = this.cropper, |
---|
| 1145 | maxWidth = cropper.width, |
---|
| 1146 | maxHeight = cropper.height, |
---|
| 1147 | dragger = this.dragger, |
---|
| 1148 | width = dragger.width, |
---|
| 1149 | height = dragger.height, |
---|
| 1150 | left = dragger.left, |
---|
| 1151 | top = dragger.top, |
---|
| 1152 | right = left + width, |
---|
| 1153 | bottom = top + height, |
---|
| 1154 | renderable = TRUE, |
---|
| 1155 | aspectRatio = this.defaults.aspectRatio, |
---|
| 1156 | range = { |
---|
| 1157 | x: this.endX - this.startX, |
---|
| 1158 | y: this.endY - this.startY |
---|
| 1159 | }, |
---|
| 1160 | offset; |
---|
| 1161 | |
---|
| 1162 | if (aspectRatio) { |
---|
| 1163 | range.X = range.y * aspectRatio; |
---|
| 1164 | range.Y = range.x / aspectRatio; |
---|
| 1165 | } |
---|
| 1166 | |
---|
| 1167 | switch (directive) { |
---|
| 1168 | // Move dragger |
---|
| 1169 | case "all": |
---|
| 1170 | left += range.x; |
---|
| 1171 | top += range.y; |
---|
| 1172 | |
---|
| 1173 | break; |
---|
| 1174 | |
---|
| 1175 | // Resize dragger |
---|
| 1176 | case "e": |
---|
| 1177 | if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= 0 || bottom >= maxHeight))) { |
---|
| 1178 | renderable = FALSE; |
---|
| 1179 | break; |
---|
| 1180 | } |
---|
| 1181 | |
---|
| 1182 | width += range.x; |
---|
| 1183 | |
---|
| 1184 | if (aspectRatio) { |
---|
| 1185 | height = width / aspectRatio; |
---|
| 1186 | top -= range.Y / 2; |
---|
| 1187 | } |
---|
| 1188 | |
---|
| 1189 | if (width < 0) { |
---|
| 1190 | directive = "w"; |
---|
| 1191 | width = 0; |
---|
| 1192 | } |
---|
| 1193 | |
---|
| 1194 | break; |
---|
| 1195 | |
---|
| 1196 | case "n": |
---|
| 1197 | if (range.y <= 0 && (top <= 0 || aspectRatio && (left <= 0 || right >= maxWidth))) { |
---|
| 1198 | renderable = FALSE; |
---|
| 1199 | break; |
---|
| 1200 | } |
---|
| 1201 | |
---|
| 1202 | height -= range.y; |
---|
| 1203 | top += range.y; |
---|
| 1204 | |
---|
| 1205 | if (aspectRatio) { |
---|
| 1206 | width = height * aspectRatio; |
---|
| 1207 | left += range.X / 2; |
---|
| 1208 | } |
---|
| 1209 | |
---|
| 1210 | if (height < 0) { |
---|
| 1211 | directive = "s"; |
---|
| 1212 | height = 0; |
---|
| 1213 | } |
---|
| 1214 | |
---|
| 1215 | break; |
---|
| 1216 | |
---|
| 1217 | case "w": |
---|
| 1218 | if (range.x <= 0 && (left <= 0 || aspectRatio && (top <= 0 || bottom >= maxHeight))) { |
---|
| 1219 | renderable = FALSE; |
---|
| 1220 | break; |
---|
| 1221 | } |
---|
| 1222 | |
---|
| 1223 | width -= range.x; |
---|
| 1224 | left += range.x; |
---|
| 1225 | |
---|
| 1226 | if (aspectRatio) { |
---|
| 1227 | height = width / aspectRatio; |
---|
| 1228 | top += range.Y / 2; |
---|
| 1229 | } |
---|
| 1230 | |
---|
| 1231 | if (width < 0) { |
---|
| 1232 | directive = "e"; |
---|
| 1233 | width = 0; |
---|
| 1234 | } |
---|
| 1235 | |
---|
| 1236 | break; |
---|
| 1237 | |
---|
| 1238 | case "s": |
---|
| 1239 | if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= 0 || right >= maxWidth))) { |
---|
| 1240 | renderable = FALSE; |
---|
| 1241 | break; |
---|
| 1242 | } |
---|
| 1243 | |
---|
| 1244 | height += range.y; |
---|
| 1245 | |
---|
| 1246 | if (aspectRatio) { |
---|
| 1247 | width = height * aspectRatio; |
---|
| 1248 | left -= range.X / 2; |
---|
| 1249 | } |
---|
| 1250 | |
---|
| 1251 | if (height < 0) { |
---|
| 1252 | directive = "n"; |
---|
| 1253 | height = 0; |
---|
| 1254 | } |
---|
| 1255 | |
---|
| 1256 | break; |
---|
| 1257 | |
---|
| 1258 | case "ne": |
---|
| 1259 | if (aspectRatio) { |
---|
| 1260 | if (range.y <= 0 && (top <= 0 || right >= maxWidth)) { |
---|
| 1261 | renderable = FALSE; |
---|
| 1262 | break; |
---|
| 1263 | } |
---|
| 1264 | |
---|
| 1265 | height -= range.y; |
---|
| 1266 | top += range.y; |
---|
| 1267 | width = height * aspectRatio; |
---|
| 1268 | } else { |
---|
| 1269 | if (range.x >= 0) { |
---|
| 1270 | if (right < maxWidth) { |
---|
| 1271 | width += range.x; |
---|
| 1272 | } else if (range.y <= 0 && top <= 0) { |
---|
| 1273 | renderable = FALSE; |
---|
| 1274 | } |
---|
| 1275 | } else { |
---|
| 1276 | width += range.x; |
---|
| 1277 | } |
---|
| 1278 | |
---|
| 1279 | if (range.y <= 0) { |
---|
| 1280 | if (top > 0) { |
---|
| 1281 | height -= range.y; |
---|
| 1282 | top += range.y; |
---|
| 1283 | } |
---|
| 1284 | } else { |
---|
| 1285 | height -= range.y; |
---|
| 1286 | top += range.y; |
---|
| 1287 | } |
---|
| 1288 | } |
---|
| 1289 | |
---|
| 1290 | if (width < 0 && height < 0) { |
---|
| 1291 | directive = "sw"; |
---|
| 1292 | height = 0; |
---|
| 1293 | width = 0; |
---|
| 1294 | } else if (width < 0) { |
---|
| 1295 | directive = "nw"; |
---|
| 1296 | width = 0; |
---|
| 1297 | } else if (height < 0) { |
---|
| 1298 | directive = "se"; |
---|
| 1299 | height = 0; |
---|
| 1300 | } |
---|
| 1301 | |
---|
| 1302 | break; |
---|
| 1303 | |
---|
| 1304 | case "nw": |
---|
| 1305 | if (aspectRatio) { |
---|
| 1306 | if (range.y <= 0 && (top <= 0 || left <= 0)) { |
---|
| 1307 | renderable = FALSE; |
---|
| 1308 | break; |
---|
| 1309 | } |
---|
| 1310 | |
---|
| 1311 | height -= range.y; |
---|
| 1312 | top += range.y; |
---|
| 1313 | width = height * aspectRatio; |
---|
| 1314 | left += range.X; |
---|
| 1315 | } else { |
---|
| 1316 | if (range.x <= 0) { |
---|
| 1317 | if (left > 0) { |
---|
| 1318 | width -= range.x; |
---|
| 1319 | left += range.x; |
---|
| 1320 | } else if (range.y <= 0 && top <= 0) { |
---|
| 1321 | renderable = FALSE; |
---|
| 1322 | } |
---|
| 1323 | } else { |
---|
| 1324 | width -= range.x; |
---|
| 1325 | left += range.x; |
---|
| 1326 | } |
---|
| 1327 | |
---|
| 1328 | if (range.y <= 0) { |
---|
| 1329 | if (top > 0) { |
---|
| 1330 | height -= range.y; |
---|
| 1331 | top += range.y; |
---|
| 1332 | } |
---|
| 1333 | } else { |
---|
| 1334 | height -= range.y; |
---|
| 1335 | top += range.y; |
---|
| 1336 | } |
---|
| 1337 | } |
---|
| 1338 | |
---|
| 1339 | if (width < 0 && height < 0) { |
---|
| 1340 | directive = "se"; |
---|
| 1341 | height = 0; |
---|
| 1342 | width = 0; |
---|
| 1343 | } else if (width < 0) { |
---|
| 1344 | directive = "ne"; |
---|
| 1345 | width = 0; |
---|
| 1346 | } else if (height < 0) { |
---|
| 1347 | directive = "sw"; |
---|
| 1348 | height = 0; |
---|
| 1349 | } |
---|
| 1350 | |
---|
| 1351 | break; |
---|
| 1352 | |
---|
| 1353 | case "sw": |
---|
| 1354 | if (aspectRatio) { |
---|
| 1355 | if (range.x <= 0 && (left <= 0 || bottom >= maxHeight)) { |
---|
| 1356 | renderable = FALSE; |
---|
| 1357 | break; |
---|
| 1358 | } |
---|
| 1359 | |
---|
| 1360 | width -= range.x; |
---|
| 1361 | left += range.x; |
---|
| 1362 | height = width / aspectRatio; |
---|
| 1363 | } else { |
---|
| 1364 | if (range.x <= 0) { |
---|
| 1365 | if (left > 0) { |
---|
| 1366 | width -= range.x; |
---|
| 1367 | left += range.x; |
---|
| 1368 | } else if (range.y >= 0 && bottom >= maxHeight) { |
---|
| 1369 | renderable = FALSE; |
---|
| 1370 | } |
---|
| 1371 | } else { |
---|
| 1372 | width -= range.x; |
---|
| 1373 | left += range.x; |
---|
| 1374 | } |
---|
| 1375 | |
---|
| 1376 | if (range.y >= 0) { |
---|
| 1377 | if (bottom < maxHeight) { |
---|
| 1378 | height += range.y; |
---|
| 1379 | } |
---|
| 1380 | } else { |
---|
| 1381 | height += range.y; |
---|
| 1382 | } |
---|
| 1383 | } |
---|
| 1384 | |
---|
| 1385 | if (width < 0 && height < 0) { |
---|
| 1386 | directive = "ne"; |
---|
| 1387 | height = 0; |
---|
| 1388 | width = 0; |
---|
| 1389 | } else if (width < 0) { |
---|
| 1390 | directive = "se"; |
---|
| 1391 | width = 0; |
---|
| 1392 | } else if (height < 0) { |
---|
| 1393 | directive = "nw"; |
---|
| 1394 | height = 0; |
---|
| 1395 | } |
---|
| 1396 | |
---|
| 1397 | break; |
---|
| 1398 | |
---|
| 1399 | case "se": |
---|
| 1400 | if (aspectRatio) { |
---|
| 1401 | if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) { |
---|
| 1402 | renderable = FALSE; |
---|
| 1403 | break; |
---|
| 1404 | } |
---|
| 1405 | |
---|
| 1406 | width += range.x; |
---|
| 1407 | height = width / aspectRatio; |
---|
| 1408 | } else { |
---|
| 1409 | if (range.x >= 0) { |
---|
| 1410 | if (right < maxWidth) { |
---|
| 1411 | width += range.x; |
---|
| 1412 | } else if (range.y >= 0 && bottom >= maxHeight) { |
---|
| 1413 | renderable = FALSE; |
---|
| 1414 | } |
---|
| 1415 | } else { |
---|
| 1416 | width += range.x; |
---|
| 1417 | } |
---|
| 1418 | |
---|
| 1419 | if (range.y >= 0) { |
---|
| 1420 | if (bottom < maxHeight) { |
---|
| 1421 | height += range.y; |
---|
| 1422 | } |
---|
| 1423 | } else { |
---|
| 1424 | height += range.y; |
---|
| 1425 | } |
---|
| 1426 | } |
---|
| 1427 | |
---|
| 1428 | if (width < 0 && height < 0) { |
---|
| 1429 | directive = "nw"; |
---|
| 1430 | height = 0; |
---|
| 1431 | width = 0; |
---|
| 1432 | } else if (width < 0) { |
---|
| 1433 | directive = "sw"; |
---|
| 1434 | width = 0; |
---|
| 1435 | } else if (height < 0) { |
---|
| 1436 | directive = "ne"; |
---|
| 1437 | height = 0; |
---|
| 1438 | } |
---|
| 1439 | |
---|
| 1440 | break; |
---|
| 1441 | |
---|
| 1442 | // Move image |
---|
| 1443 | case "move": |
---|
| 1444 | image.left += range.x; |
---|
| 1445 | image.top += range.y; |
---|
| 1446 | this.renderImage("move"); |
---|
| 1447 | renderable = FALSE; |
---|
| 1448 | break; |
---|
| 1449 | |
---|
| 1450 | // Scale image |
---|
| 1451 | case "zoom": |
---|
| 1452 | this.zoom(function (x, y, x1, y1, x2, y2) { |
---|
| 1453 | return (sqrt(x2 * x2 + y2 * y2) - sqrt(x1 * x1 + y1 * y1)) / sqrt(x * x + y * y); |
---|
| 1454 | }( |
---|
| 1455 | image.width, |
---|
| 1456 | image.height, |
---|
| 1457 | abs(this.startX - this.startX2), |
---|
| 1458 | abs(this.startY - this.startY2), |
---|
| 1459 | abs(this.endX - this.endX2), |
---|
| 1460 | abs(this.endY - this.endY2) |
---|
| 1461 | )); |
---|
| 1462 | |
---|
| 1463 | this.endX2 = this.startX2; |
---|
| 1464 | this.endY2 = this.startY2; |
---|
| 1465 | renderable = FALSE; |
---|
| 1466 | break; |
---|
| 1467 | |
---|
| 1468 | // Crop image |
---|
| 1469 | case "crop": |
---|
| 1470 | if (range.x && range.y) { |
---|
| 1471 | offset = this.$cropper.offset(); |
---|
| 1472 | left = this.startX - offset.left; |
---|
| 1473 | top = this.startY - offset.top; |
---|
| 1474 | width = dragger.minWidth; |
---|
| 1475 | height = dragger.minHeight; |
---|
| 1476 | |
---|
| 1477 | if (range.x > 0) { |
---|
| 1478 | if (range.y > 0) { |
---|
| 1479 | directive = "se"; |
---|
| 1480 | } else { |
---|
| 1481 | directive = "ne"; |
---|
| 1482 | top -= height; |
---|
| 1483 | } |
---|
| 1484 | } else { |
---|
| 1485 | if (range.y > 0) { |
---|
| 1486 | directive = "sw"; |
---|
| 1487 | left -= width; |
---|
| 1488 | } else { |
---|
| 1489 | directive = "nw"; |
---|
| 1490 | left -= width; |
---|
| 1491 | top -= height; |
---|
| 1492 | } |
---|
| 1493 | } |
---|
| 1494 | |
---|
| 1495 | // Show the dragger if is hidden |
---|
| 1496 | if (!this.cropped) { |
---|
| 1497 | this.cropped = TRUE; |
---|
| 1498 | this.$dragger.removeClass(CLASS_HIDDEN); |
---|
| 1499 | } |
---|
| 1500 | } |
---|
| 1501 | |
---|
| 1502 | break; |
---|
| 1503 | |
---|
| 1504 | // No default |
---|
| 1505 | } |
---|
| 1506 | |
---|
| 1507 | if (renderable) { |
---|
| 1508 | dragger.width = width; |
---|
| 1509 | dragger.height = height; |
---|
| 1510 | dragger.left = left; |
---|
| 1511 | dragger.top = top; |
---|
| 1512 | this.directive = directive; |
---|
| 1513 | |
---|
| 1514 | this.renderDragger(); |
---|
| 1515 | } |
---|
| 1516 | |
---|
| 1517 | // Override |
---|
| 1518 | this.startX = this.endX; |
---|
| 1519 | this.startY = this.endY; |
---|
| 1520 | } |
---|
| 1521 | }; |
---|
| 1522 | |
---|
| 1523 | // Use the string compressor: Strmin (https://github.com/fengyuanchen/strmin) |
---|
| 1524 | Cropper.TEMPLATE = (function (source, words) { |
---|
| 1525 | words = words.split(","); |
---|
| 1526 | return source.replace(/\d+/g, function (i) { |
---|
| 1527 | return words[i]; |
---|
| 1528 | }); |
---|
| 1529 | })('<0 6="5-container"><0 6="5-canvas"></0><0 6="5-dragger"><1 6="5-viewer"></1><1 6="5-8 8-h"></1><1 6="5-8 8-v"></1><1 6="5-face" 3-2="all"></1><1 6="5-7 7-e" 3-2="e"></1><1 6="5-7 7-n" 3-2="n"></1><1 6="5-7 7-w" 3-2="w"></1><1 6="5-7 7-s" 3-2="s"></1><1 6="5-4 4-e" 3-2="e"></1><1 6="5-4 4-n" 3-2="n"></1><1 6="5-4 4-w" 3-2="w"></1><1 6="5-4 4-s" 3-2="s"></1><1 6="5-4 4-ne" 3-2="ne"></1><1 6="5-4 4-nw" 3-2="nw"></1><1 6="5-4 4-sw" 3-2="sw"></1><1 6="5-4 4-se" 3-2="se"></1></0></0>', "div,span,directive,data,point,cropper,class,line,dashed"); |
---|
| 1530 | |
---|
| 1531 | /* Template source: |
---|
| 1532 | <div class="cropper-container"> |
---|
| 1533 | <div class="cropper-canvas"></div> |
---|
| 1534 | <div class="cropper-dragger"> |
---|
| 1535 | <span class="cropper-viewer"></span> |
---|
| 1536 | <span class="cropper-dashed dashed-h"></span> |
---|
| 1537 | <span class="cropper-dashed dashed-v"></span> |
---|
| 1538 | <span class="cropper-face" data-directive="all"></span> |
---|
| 1539 | <span class="cropper-line line-e" data-directive="e"></span> |
---|
| 1540 | <span class="cropper-line line-n" data-directive="n"></span> |
---|
| 1541 | <span class="cropper-line line-w" data-directive="w"></span> |
---|
| 1542 | <span class="cropper-line line-s" data-directive="s"></span> |
---|
| 1543 | <span class="cropper-point point-e" data-directive="e"></span> |
---|
| 1544 | <span class="cropper-point point-n" data-directive="n"></span> |
---|
| 1545 | <span class="cropper-point point-w" data-directive="w"></span> |
---|
| 1546 | <span class="cropper-point point-s" data-directive="s"></span> |
---|
| 1547 | <span class="cropper-point point-ne" data-directive="ne"></span> |
---|
| 1548 | <span class="cropper-point point-nw" data-directive="nw"></span> |
---|
| 1549 | <span class="cropper-point point-sw" data-directive="sw"></span> |
---|
| 1550 | <span class="cropper-point point-se" data-directive="se"></span> |
---|
| 1551 | </div> |
---|
| 1552 | </div> |
---|
| 1553 | */ |
---|
| 1554 | |
---|
| 1555 | Cropper.DEFAULTS = { |
---|
| 1556 | // Basic |
---|
| 1557 | aspectRatio: "auto", |
---|
| 1558 | autoCropArea: 0.8, // 80% |
---|
| 1559 | data: { |
---|
| 1560 | x: 18, |
---|
| 1561 | y: 30, |
---|
| 1562 | width: 150, |
---|
| 1563 | height: 85 |
---|
| 1564 | }, |
---|
| 1565 | done: $.noop, |
---|
| 1566 | preview: "", |
---|
| 1567 | |
---|
| 1568 | // Toggles |
---|
| 1569 | multiple: FALSE, |
---|
| 1570 | autoCrop: TRUE, |
---|
| 1571 | dragCrop: TRUE, |
---|
| 1572 | dashed: TRUE, |
---|
| 1573 | modal: FALSE, |
---|
| 1574 | movable: TRUE, |
---|
| 1575 | resizable: TRUE, |
---|
| 1576 | zoomable: FALSE, |
---|
| 1577 | rotatable: TRUE, |
---|
| 1578 | checkImageOrigin: TRUE, |
---|
| 1579 | |
---|
| 1580 | // Dimensions |
---|
| 1581 | minWidth: 0, |
---|
| 1582 | minHeight: 0, |
---|
| 1583 | maxWidth: INFINITY, |
---|
| 1584 | maxHeight: INFINITY, |
---|
| 1585 | minContainerWidth: 300, |
---|
| 1586 | minContainerHeight: 150, |
---|
| 1587 | |
---|
| 1588 | // Events |
---|
| 1589 | build: NULL, |
---|
| 1590 | built: NULL, |
---|
| 1591 | dragstart: NULL, |
---|
| 1592 | dragmove: NULL, |
---|
| 1593 | dragend: NULL |
---|
| 1594 | }; |
---|
| 1595 | |
---|
| 1596 | Cropper.setDefaults = function (options) { |
---|
| 1597 | $.extend(Cropper.DEFAULTS, options); |
---|
| 1598 | }; |
---|
| 1599 | |
---|
| 1600 | // Save the other cropper |
---|
| 1601 | Cropper.other = $.fn.cropper; |
---|
| 1602 | |
---|
| 1603 | // Register as jQuery plugin |
---|
| 1604 | $.fn.cropper = function (options) { |
---|
| 1605 | var args = toArray(arguments, 1), |
---|
| 1606 | result; |
---|
| 1607 | |
---|
| 1608 | this.each(function () { |
---|
| 1609 | var $this = $(this), |
---|
| 1610 | data = $this.data("cropper"), |
---|
| 1611 | fn; |
---|
| 1612 | |
---|
| 1613 | if (!data) { |
---|
| 1614 | $this.data("cropper", (data = new Cropper(this, options))); |
---|
| 1615 | } |
---|
| 1616 | |
---|
| 1617 | if (typeof options === "string" && $.isFunction((fn = data[options]))) { |
---|
| 1618 | result = fn.apply(data, args); |
---|
| 1619 | } |
---|
| 1620 | }); |
---|
| 1621 | |
---|
| 1622 | return (typeof result !== STRING_UNDEFINED ? result : this); |
---|
| 1623 | }; |
---|
| 1624 | |
---|
| 1625 | $.fn.cropper.Constructor = Cropper; |
---|
| 1626 | $.fn.cropper.setDefaults = Cropper.setDefaults; |
---|
| 1627 | |
---|
| 1628 | // No conflict |
---|
| 1629 | $.fn.cropper.noConflict = function () { |
---|
| 1630 | $.fn.cropper = Cropper.other; |
---|
| 1631 | return this; |
---|
| 1632 | }; |
---|
| 1633 | }); |
---|