diff --git a/docs/js/cropper.js b/docs/js/cropper.js
index aa4e5845..36881f74 100644
--- a/docs/js/cropper.js
+++ b/docs/js/cropper.js
@@ -1,2145 +1,2106 @@
/*!
- * Cropper v4.0.0-beta
+ * Cropper v4.0.0
* https://github.com/fengyuanchen/cropper
*
* Copyright (c) 2014-2018 Chen Fengyuan
* Released under the MIT license
*
- * Date: 2018-03-03T03:59:36.917Z
+ * Date: 2018-04-01T06:27:27.267Z
*/
(function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('jquery')) :
- typeof define === 'function' && define.amd ? define(['jquery'], factory) :
- (factory(global.jQuery));
+ typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('jquery')) :
+ typeof define === 'function' && define.amd ? define(['jquery'], factory) :
+ (factory(global.jQuery));
}(this, (function ($) { 'use strict';
-$ = $ && $.hasOwnProperty('default') ? $['default'] : $;
-
-var WINDOW = typeof window !== 'undefined' ? window : {};
-var NAMESPACE = 'cropper';
-
-// Actions
-var ACTION_ALL = 'all';
-var ACTION_CROP = 'crop';
-var ACTION_MOVE = 'move';
-var ACTION_ZOOM = 'zoom';
-var ACTION_EAST = 'e';
-var ACTION_WEST = 'w';
-var ACTION_SOUTH = 's';
-var ACTION_NORTH = 'n';
-var ACTION_NORTH_EAST = 'ne';
-var ACTION_NORTH_WEST = 'nw';
-var ACTION_SOUTH_EAST = 'se';
-var ACTION_SOUTH_WEST = 'sw';
-
-// Classes
-var CLASS_CROP = NAMESPACE + '-crop';
-var CLASS_DISABLED = NAMESPACE + '-disabled';
-var CLASS_HIDDEN = NAMESPACE + '-hidden';
-var CLASS_HIDE = NAMESPACE + '-hide';
-var CLASS_INVISIBLE = NAMESPACE + '-invisible';
-var CLASS_MODAL = NAMESPACE + '-modal';
-var CLASS_MOVE = NAMESPACE + '-move';
+ $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
+
+ var IN_BROWSER = typeof window !== 'undefined';
+ var WINDOW = IN_BROWSER ? window : {};
+ var NAMESPACE = 'cropper';
+
+ // Actions
+ var ACTION_ALL = 'all';
+ var ACTION_CROP = 'crop';
+ var ACTION_MOVE = 'move';
+ var ACTION_ZOOM = 'zoom';
+ var ACTION_EAST = 'e';
+ var ACTION_WEST = 'w';
+ var ACTION_SOUTH = 's';
+ var ACTION_NORTH = 'n';
+ var ACTION_NORTH_EAST = 'ne';
+ var ACTION_NORTH_WEST = 'nw';
+ var ACTION_SOUTH_EAST = 'se';
+ var ACTION_SOUTH_WEST = 'sw';
+
+ // Classes
+ var CLASS_CROP = NAMESPACE + '-crop';
+ var CLASS_DISABLED = NAMESPACE + '-disabled';
+ var CLASS_HIDDEN = NAMESPACE + '-hidden';
+ var CLASS_HIDE = NAMESPACE + '-hide';
+ var CLASS_INVISIBLE = NAMESPACE + '-invisible';
+ var CLASS_MODAL = NAMESPACE + '-modal';
+ var CLASS_MOVE = NAMESPACE + '-move';
-// Data keys
-var DATA_ACTION = 'action';
-var DATA_PREVIEW = 'preview';
+ // Data keys
+ var DATA_ACTION = 'action';
+ var DATA_PREVIEW = 'preview';
-// Drag modes
-var DRAG_MODE_CROP = 'crop';
-var DRAG_MODE_MOVE = 'move';
-var DRAG_MODE_NONE = 'none';
+ // Drag modes
+ var DRAG_MODE_CROP = 'crop';
+ var DRAG_MODE_MOVE = 'move';
+ var DRAG_MODE_NONE = 'none';
-// Events
-var EVENT_CROP = 'crop';
-var EVENT_CROP_END = 'cropend';
-var EVENT_CROP_MOVE = 'cropmove';
-var EVENT_CROP_START = 'cropstart';
-var EVENT_DBLCLICK = 'dblclick';
-var EVENT_LOAD = 'load';
-var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown';
-var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove';
-var EVENT_POINTER_UP = WINDOW.PointerEvent ? 'pointerup pointercancel' : 'touchend touchcancel mouseup';
-var EVENT_READY = 'ready';
-var EVENT_RESIZE = 'resize';
-var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
-var EVENT_ZOOM = 'zoom';
-
-// RegExps
-var REGEXP_ACTIONS = /^(?:e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;
-var REGEXP_DATA_URL = /^data:/;
-var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
-var REGEXP_TAG_NAME = /^(?:img|canvas)$/i;
-
-var DEFAULTS = {
- // Define the view mode of the cropper
- viewMode: 0, // 0, 1, 2, 3
-
- // Define the dragging mode of the cropper
- dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none'
-
- // Define the aspect ratio of the crop box
- aspectRatio: NaN,
-
- // An object with the previous cropping result data
- data: null,
-
- // A selector for adding extra containers to preview
- preview: '',
-
- // Re-render the cropper when resize the window
- responsive: true,
-
- // Restore the cropped area after resize the window
- restore: true,
-
- // Check if the current image is a cross-origin image
- checkCrossOrigin: true,
-
- // Check the current image's Exif Orientation information
- checkOrientation: true,
-
- // Show the black modal
- modal: true,
-
- // Show the dashed lines for guiding
- guides: true,
-
- // Show the center indicator for guiding
- center: true,
-
- // Show the white modal to highlight the crop box
- highlight: true,
-
- // Show the grid background
- background: true,
-
- // Enable to crop the image automatically when initialize
- autoCrop: true,
-
- // Define the percentage of automatic cropping area when initializes
- autoCropArea: 0.8,
-
- // Enable to move the image
- movable: true,
-
- // Enable to rotate the image
- rotatable: true,
-
- // Enable to scale the image
- scalable: true,
-
- // Enable to zoom the image
- zoomable: true,
+ // Events
+ var EVENT_CROP = 'crop';
+ var EVENT_CROP_END = 'cropend';
+ var EVENT_CROP_MOVE = 'cropmove';
+ var EVENT_CROP_START = 'cropstart';
+ var EVENT_DBLCLICK = 'dblclick';
+ var EVENT_LOAD = 'load';
+ var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown';
+ var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove';
+ var EVENT_POINTER_UP = WINDOW.PointerEvent ? 'pointerup pointercancel' : 'touchend touchcancel mouseup';
+ var EVENT_READY = 'ready';
+ var EVENT_RESIZE = 'resize';
+ var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
+ var EVENT_ZOOM = 'zoom';
+
+ // RegExps
+ var REGEXP_ACTIONS = /^(?:e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;
+ var REGEXP_DATA_URL = /^data:/;
+ var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
+ var REGEXP_TAG_NAME = /^(?:img|canvas)$/i;
+
+ var DEFAULTS = {
+ // Define the view mode of the cropper
+ viewMode: 0, // 0, 1, 2, 3
+
+ // Define the dragging mode of the cropper
+ dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none'
+
+ // Define the aspect ratio of the crop box
+ aspectRatio: NaN,
+
+ // An object with the previous cropping result data
+ data: null,
+
+ // A selector for adding extra containers to preview
+ preview: '',
+
+ // Re-render the cropper when resize the window
+ responsive: true,
+
+ // Restore the cropped area after resize the window
+ restore: true,
+
+ // Check if the current image is a cross-origin image
+ checkCrossOrigin: true,
+
+ // Check the current image's Exif Orientation information
+ checkOrientation: true,
+
+ // Show the black modal
+ modal: true,
+
+ // Show the dashed lines for guiding
+ guides: true,
+
+ // Show the center indicator for guiding
+ center: true,
+
+ // Show the white modal to highlight the crop box
+ highlight: true,
+
+ // Show the grid background
+ background: true,
+
+ // Enable to crop the image automatically when initialize
+ autoCrop: true,
+
+ // Define the percentage of automatic cropping area when initializes
+ autoCropArea: 0.8,
+
+ // Enable to move the image
+ movable: true,
+
+ // Enable to rotate the image
+ rotatable: true,
+
+ // Enable to scale the image
+ scalable: true,
+
+ // Enable to zoom the image
+ zoomable: true,
- // Enable to zoom the image by dragging touch
- zoomOnTouch: true,
-
- // Enable to zoom the image by wheeling mouse
- zoomOnWheel: true,
+ // Enable to zoom the image by dragging touch
+ zoomOnTouch: true,
- // Define zoom ratio when zoom the image by wheeling mouse
- wheelZoomRatio: 0.1,
+ // Enable to zoom the image by wheeling mouse
+ zoomOnWheel: true,
- // Enable to move the crop box
- cropBoxMovable: true,
+ // Define zoom ratio when zoom the image by wheeling mouse
+ wheelZoomRatio: 0.1,
- // Enable to resize the crop box
- cropBoxResizable: true,
+ // Enable to move the crop box
+ cropBoxMovable: true,
- // Toggle drag mode between "crop" and "move" when click twice on the cropper
- toggleDragModeOnDblclick: true,
+ // Enable to resize the crop box
+ cropBoxResizable: true,
- // Size limitation
- minCanvasWidth: 0,
- minCanvasHeight: 0,
- minCropBoxWidth: 0,
- minCropBoxHeight: 0,
- minContainerWidth: 200,
- minContainerHeight: 100,
+ // Toggle drag mode between "crop" and "move" when click twice on the cropper
+ toggleDragModeOnDblclick: true,
- // Shortcuts of events
- ready: null,
- cropstart: null,
- cropmove: null,
- cropend: null,
- crop: null,
- zoom: null
-};
+ // Size limitation
+ minCanvasWidth: 0,
+ minCanvasHeight: 0,
+ minCropBoxWidth: 0,
+ minCropBoxHeight: 0,
+ minContainerWidth: 200,
+ minContainerHeight: 100,
-var TEMPLATE = '
' + '
' + '
' + '
' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '
' + '
';
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
- return typeof obj;
-} : function (obj) {
- return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-};
+ // Shortcuts of events
+ ready: null,
+ cropstart: null,
+ cropmove: null,
+ cropend: null,
+ crop: null,
+ zoom: null
+ };
-var classCallCheck = function (instance, Constructor) {
- if (!(instance instanceof Constructor)) {
- throw new TypeError("Cannot call a class as a function");
- }
-};
-
-var createClass = function () {
- function defineProperties(target, props) {
- for (var i = 0; i < props.length; i++) {
- var descriptor = props[i];
- descriptor.enumerable = descriptor.enumerable || false;
- descriptor.configurable = true;
- if ("value" in descriptor) descriptor.writable = true;
- Object.defineProperty(target, descriptor.key, descriptor);
- }
- }
+ var TEMPLATE = '
' + '
' + '
' + '
' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '
' + '
';
- return function (Constructor, protoProps, staticProps) {
- if (protoProps) defineProperties(Constructor.prototype, protoProps);
- if (staticProps) defineProperties(Constructor, staticProps);
- return Constructor;
+ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
+ return typeof obj;
+ } : function (obj) {
+ return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
-}();
-var toConsumableArray = function (arr) {
- if (Array.isArray(arr)) {
- for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+ var classCallCheck = function (instance, Constructor) {
+ if (!(instance instanceof Constructor)) {
+ throw new TypeError("Cannot call a class as a function");
+ }
+ };
- return arr2;
- } else {
- return Array.from(arr);
- }
-};
+ var createClass = function () {
+ function defineProperties(target, props) {
+ for (var i = 0; i < props.length; i++) {
+ var descriptor = props[i];
+ descriptor.enumerable = descriptor.enumerable || false;
+ descriptor.configurable = true;
+ if ("value" in descriptor) descriptor.writable = true;
+ Object.defineProperty(target, descriptor.key, descriptor);
+ }
+ }
-/**
- * Check if the given value is not a number.
- */
-var isNaN = Number.isNaN || WINDOW.isNaN;
+ return function (Constructor, protoProps, staticProps) {
+ if (protoProps) defineProperties(Constructor.prototype, protoProps);
+ if (staticProps) defineProperties(Constructor, staticProps);
+ return Constructor;
+ };
+ }();
-/**
- * Check if the given value is a number.
- * @param {*} value - The value to check.
- * @returns {boolean} Returns `true` if the given value is a number, else `false`.
- */
-function isNumber(value) {
- return typeof value === 'number' && !isNaN(value);
-}
-
-/**
- * Check if the given value is undefined.
- * @param {*} value - The value to check.
- * @returns {boolean} Returns `true` if the given value is undefined, else `false`.
- */
-function isUndefined(value) {
- return typeof value === 'undefined';
-}
-
-/**
- * Check if the given value is an object.
- * @param {*} value - The value to check.
- * @returns {boolean} Returns `true` if the given value is an object, else `false`.
- */
-function isObject(value) {
- return (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value !== null;
-}
+ var toConsumableArray = function (arr) {
+ if (Array.isArray(arr)) {
+ for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-var hasOwnProperty = Object.prototype.hasOwnProperty;
+ return arr2;
+ } else {
+ return Array.from(arr);
+ }
+ };
-/**
- * Check if the given value is a plain object.
- * @param {*} value - The value to check.
- * @returns {boolean} Returns `true` if the given value is a plain object, else `false`.
- */
+ /**
+ * Check if the given value is not a number.
+ */
+ var isNaN = Number.isNaN || WINDOW.isNaN;
-function isPlainObject(value) {
- if (!isObject(value)) {
- return false;
+ /**
+ * Check if the given value is a number.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is a number, else `false`.
+ */
+ function isNumber(value) {
+ return typeof value === 'number' && !isNaN(value);
}
- try {
- var _constructor = value.constructor;
- var prototype = _constructor.prototype;
-
+ /**
+ * Check if the given value is undefined.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is undefined, else `false`.
+ */
+ function isUndefined(value) {
+ return typeof value === 'undefined';
+ }
- return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
- } catch (e) {
- return false;
+ /**
+ * Check if the given value is an object.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is an object, else `false`.
+ */
+ function isObject(value) {
+ return (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value !== null;
}
-}
-/**
- * Check if the given value is a function.
- * @param {*} value - The value to check.
- * @returns {boolean} Returns `true` if the given value is a function, else `false`.
- */
-function isFunction(value) {
- return typeof value === 'function';
-}
-
-/**
- * Iterate the given data.
- * @param {*} data - The data to iterate.
- * @param {Function} callback - The process function for each element.
- * @returns {*} The original data.
- */
-function forEach(data, callback) {
- if (data && isFunction(callback)) {
- if (Array.isArray(data) || isNumber(data.length) /* array-like */) {
- var length = data.length;
+ var hasOwnProperty = Object.prototype.hasOwnProperty;
- var i = void 0;
+ /**
+ * Check if the given value is a plain object.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is a plain object, else `false`.
+ */
- for (i = 0; i < length; i += 1) {
- if (callback.call(data, data[i], i, data) === false) {
- break;
- }
- }
- } else if (isObject(data)) {
- Object.keys(data).forEach(function (key) {
- callback.call(data, data[key], key, data);
- });
+ function isPlainObject(value) {
+ if (!isObject(value)) {
+ return false;
}
- }
- return data;
-}
+ try {
+ var _constructor = value.constructor;
+ var prototype = _constructor.prototype;
-/**
- * Extend the given object.
- * @param {*} obj - The object to be extended.
- * @param {*} args - The rest objects which will be merged to the first object.
- * @returns {Object} The extended object.
- */
-var assign = Object.assign || function assign(obj) {
- for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
- args[_key - 1] = arguments[_key];
- }
- if (isObject(obj) && args.length > 0) {
- args.forEach(function (arg) {
- if (isObject(arg)) {
- Object.keys(arg).forEach(function (key) {
- obj[key] = arg[key];
- });
- }
- });
+ return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
+ } catch (e) {
+ return false;
+ }
}
- return obj;
-};
-
-var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i;
+ /**
+ * Check if the given value is a function.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is a function, else `false`.
+ */
+ function isFunction(value) {
+ return typeof value === 'function';
+ }
-/**
- * Normalize decimal number.
- * Check out {@link http://0.30000000000000004.com/ }
- * @param {number} value - The value to normalize.
- * @param {number} [times=100000000000] - The times for normalizing.
- * @returns {number} Returns the normalized number.
- */
-function normalizeDecimalNumber(value) {
- var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;
+ /**
+ * Iterate the given data.
+ * @param {*} data - The data to iterate.
+ * @param {Function} callback - The process function for each element.
+ * @returns {*} The original data.
+ */
+ function forEach(data, callback) {
+ if (data && isFunction(callback)) {
+ if (Array.isArray(data) || isNumber(data.length) /* array-like */) {
+ var length = data.length;
- return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;
-}
+ var i = void 0;
-var REGEXP_SUFFIX = /^(?:width|height|left|top|marginLeft|marginTop)$/;
+ for (i = 0; i < length; i += 1) {
+ if (callback.call(data, data[i], i, data) === false) {
+ break;
+ }
+ }
+ } else if (isObject(data)) {
+ Object.keys(data).forEach(function (key) {
+ callback.call(data, data[key], key, data);
+ });
+ }
+ }
-/**
- * Apply styles to the given element.
- * @param {Element} element - The target element.
- * @param {Object} styles - The styles for applying.
- */
-function setStyle(element, styles) {
- var style = element.style;
+ return data;
+ }
+ /**
+ * Extend the given object.
+ * @param {*} obj - The object to be extended.
+ * @param {*} args - The rest objects which will be merged to the first object.
+ * @returns {Object} The extended object.
+ */
+ var assign = Object.assign || function assign(obj) {
+ for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+ args[_key - 1] = arguments[_key];
+ }
- forEach(styles, function (value, property) {
- if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
- value += 'px';
+ if (isObject(obj) && args.length > 0) {
+ args.forEach(function (arg) {
+ if (isObject(arg)) {
+ Object.keys(arg).forEach(function (key) {
+ obj[key] = arg[key];
+ });
+ }
+ });
}
- style[property] = value;
- });
-}
+ return obj;
+ };
-/**
- * Check if the given element has a special class.
- * @param {Element} element - The element to check.
- * @param {string} value - The class to search.
- * @returns {boolean} Returns `true` if the special class was found.
- */
-function hasClass(element, value) {
- return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;
-}
-
-/**
- * Add classes to the given element.
- * @param {Element} element - The target element.
- * @param {string} value - The classes to be added.
- */
-function addClass(element, value) {
- if (!value) {
- return;
- }
+ var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i;
- if (isNumber(element.length)) {
- forEach(element, function (elem) {
- addClass(elem, value);
- });
- return;
- }
+ /**
+ * Normalize decimal number.
+ * Check out {@link http://0.30000000000000004.com/}
+ * @param {number} value - The value to normalize.
+ * @param {number} [times=100000000000] - The times for normalizing.
+ * @returns {number} Returns the normalized number.
+ */
+ function normalizeDecimalNumber(value) {
+ var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;
- if (element.classList) {
- element.classList.add(value);
- return;
+ return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;
}
- var className = element.className.trim();
+ var REGEXP_SUFFIX = /^(?:width|height|left|top|marginLeft|marginTop)$/;
- if (!className) {
- element.className = value;
- } else if (className.indexOf(value) < 0) {
- element.className = className + ' ' + value;
- }
-}
+ /**
+ * Apply styles to the given element.
+ * @param {Element} element - The target element.
+ * @param {Object} styles - The styles for applying.
+ */
+ function setStyle(element, styles) {
+ var style = element.style;
-/**
- * Remove classes from the given element.
- * @param {Element} element - The target element.
- * @param {string} value - The classes to be removed.
- */
-function removeClass(element, value) {
- if (!value) {
- return;
- }
- if (isNumber(element.length)) {
- forEach(element, function (elem) {
- removeClass(elem, value);
- });
- return;
- }
+ forEach(styles, function (value, property) {
+ if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
+ value += 'px';
+ }
- if (element.classList) {
- element.classList.remove(value);
- return;
+ style[property] = value;
+ });
}
- if (element.className.indexOf(value) >= 0) {
- element.className = element.className.replace(value, '');
+ /**
+ * Check if the given element has a special class.
+ * @param {Element} element - The element to check.
+ * @param {string} value - The class to search.
+ * @returns {boolean} Returns `true` if the special class was found.
+ */
+ function hasClass(element, value) {
+ return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;
}
-}
-/**
- * Add or remove classes from the given element.
- * @param {Element} element - The target element.
- * @param {string} value - The classes to be toggled.
- * @param {boolean} added - Add only.
- */
-function toggleClass(element, value, added) {
- if (!value) {
- return;
- }
+ /**
+ * Add classes to the given element.
+ * @param {Element} element - The target element.
+ * @param {string} value - The classes to be added.
+ */
+ function addClass(element, value) {
+ if (!value) {
+ return;
+ }
- if (isNumber(element.length)) {
- forEach(element, function (elem) {
- toggleClass(elem, value, added);
- });
- return;
- }
+ if (isNumber(element.length)) {
+ forEach(element, function (elem) {
+ addClass(elem, value);
+ });
+ return;
+ }
- // IE10-11 doesn't support the second parameter of `classList.toggle`
- if (added) {
- addClass(element, value);
- } else {
- removeClass(element, value);
- }
-}
+ if (element.classList) {
+ element.classList.add(value);
+ return;
+ }
-var REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g;
+ var className = element.className.trim();
-/**
- * Transform the given string from camelCase to kebab-case
- * @param {string} value - The value to transform.
- * @returns {string} The transformed value.
- */
-function hyphenate(value) {
- return value.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase();
-}
-
-/**
- * Get data from the given element.
- * @param {Element} element - The target element.
- * @param {string} name - The data key to get.
- * @returns {string} The data value.
- */
-function getData(element, name) {
- if (isObject(element[name])) {
- return element[name];
- } else if (element.dataset) {
- return element.dataset[name];
+ if (!className) {
+ element.className = value;
+ } else if (className.indexOf(value) < 0) {
+ element.className = className + ' ' + value;
+ }
}
- return element.getAttribute('data-' + hyphenate(name));
-}
+ /**
+ * Remove classes from the given element.
+ * @param {Element} element - The target element.
+ * @param {string} value - The classes to be removed.
+ */
+ function removeClass(element, value) {
+ if (!value) {
+ return;
+ }
-/**
- * Set data to the given element.
- * @param {Element} element - The target element.
- * @param {string} name - The data key to set.
- * @param {string} data - The data value.
- */
-function setData(element, name, data) {
- if (isObject(data)) {
- element[name] = data;
- } else if (element.dataset) {
- element.dataset[name] = data;
- } else {
- element.setAttribute('data-' + hyphenate(name), data);
- }
-}
+ if (isNumber(element.length)) {
+ forEach(element, function (elem) {
+ removeClass(elem, value);
+ });
+ return;
+ }
-/**
- * Remove data from the given element.
- * @param {Element} element - The target element.
- * @param {string} name - The data key to remove.
- */
-function removeData(element, name) {
- if (isObject(element[name])) {
- try {
- delete element[name];
- } catch (e) {
- element[name] = undefined;
+ if (element.classList) {
+ element.classList.remove(value);
+ return;
}
- } else if (element.dataset) {
- // #128 Safari not allows to delete dataset property
- try {
- delete element.dataset[name];
- } catch (e) {
- element.dataset[name] = undefined;
+
+ if (element.className.indexOf(value) >= 0) {
+ element.className = element.className.replace(value, '');
}
- } else {
- element.removeAttribute('data-' + hyphenate(name));
}
-}
-
-var REGEXP_SPACES = /\s\s*/;
-
-/**
- * Remove event listener from the target element.
- * @param {Element} element - The event target.
- * @param {string} type - The event type(s).
- * @param {Function} listener - The event listener.
- * @param {Object} options - The event options.
- */
-function removeListener(element, type, listener) {
- var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
-
- forEach(type.trim().split(REGEXP_SPACES), function (t) {
- element.removeEventListener(t, listener, options);
- });
-}
-
-/**
- * Add event listener to the target element.
- * @param {Element} element - The event target.
- * @param {string} type - The event type(s).
- * @param {Function} listener - The event listener.
- * @param {Object} options - The event options.
- */
-function addListener(element, type, _listener) {
- var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
- if (options.once) {
- var originalListener = _listener;
+ /**
+ * Add or remove classes from the given element.
+ * @param {Element} element - The target element.
+ * @param {string} value - The classes to be toggled.
+ * @param {boolean} added - Add only.
+ */
+ function toggleClass(element, value, added) {
+ if (!value) {
+ return;
+ }
- _listener = function listener() {
- for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
- args[_key2] = arguments[_key2];
- }
+ if (isNumber(element.length)) {
+ forEach(element, function (elem) {
+ toggleClass(elem, value, added);
+ });
+ return;
+ }
- removeListener(element, type, _listener, options);
- return originalListener.apply(element, args);
- };
+ // IE10-11 doesn't support the second parameter of `classList.toggle`
+ if (added) {
+ addClass(element, value);
+ } else {
+ removeClass(element, value);
+ }
}
- forEach(type.trim().split(REGEXP_SPACES), function (t) {
- element.addEventListener(t, _listener, options);
- });
-}
-
-/**
- * Dispatch event on the target element.
- * @param {Element} element - The event target.
- * @param {string} type - The event type(s).
- * @param {Object} data - The additional event data.
- * @returns {boolean} Indicate if the event is default prevented or not.
- */
-function dispatchEvent(element, type, data) {
- var event = void 0;
-
- // Event and CustomEvent on IE9-11 are global objects, not constructors
- if (isFunction(Event) && isFunction(CustomEvent)) {
- event = new CustomEvent(type, {
- detail: data,
- bubbles: true,
- cancelable: true
- });
- } else {
- event = document.createEvent('CustomEvent');
- event.initCustomEvent(type, true, true, data);
- }
+ var REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g;
- return element.dispatchEvent(event);
-}
+ /**
+ * Transform the given string from camelCase to kebab-case
+ * @param {string} value - The value to transform.
+ * @returns {string} The transformed value.
+ */
+ function hyphenate(value) {
+ return value.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase();
+ }
-/**
- * Get the offset base on the document.
- * @param {Element} element - The target element.
- * @returns {Object} The offset data.
- */
-function getOffset(element) {
- var box = element.getBoundingClientRect();
+ /**
+ * Get data from the given element.
+ * @param {Element} element - The target element.
+ * @param {string} name - The data key to get.
+ * @returns {string} The data value.
+ */
+ function getData(element, name) {
+ if (isObject(element[name])) {
+ return element[name];
+ } else if (element.dataset) {
+ return element.dataset[name];
+ }
- return {
- left: box.left + (window.pageXOffset - document.documentElement.clientLeft),
- top: box.top + (window.pageYOffset - document.documentElement.clientTop)
- };
-}
+ return element.getAttribute('data-' + hyphenate(name));
+ }
-var location = WINDOW.location;
+ /**
+ * Set data to the given element.
+ * @param {Element} element - The target element.
+ * @param {string} name - The data key to set.
+ * @param {string} data - The data value.
+ */
+ function setData(element, name, data) {
+ if (isObject(data)) {
+ element[name] = data;
+ } else if (element.dataset) {
+ element.dataset[name] = data;
+ } else {
+ element.setAttribute('data-' + hyphenate(name), data);
+ }
+ }
-var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i;
+ /**
+ * Remove data from the given element.
+ * @param {Element} element - The target element.
+ * @param {string} name - The data key to remove.
+ */
+ function removeData(element, name) {
+ if (isObject(element[name])) {
+ try {
+ delete element[name];
+ } catch (e) {
+ element[name] = undefined;
+ }
+ } else if (element.dataset) {
+ // #128 Safari not allows to delete dataset property
+ try {
+ delete element.dataset[name];
+ } catch (e) {
+ element.dataset[name] = undefined;
+ }
+ } else {
+ element.removeAttribute('data-' + hyphenate(name));
+ }
+ }
-/**
- * Check if the given URL is a cross origin URL.
- * @param {string} url - The target URL.
- * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
- */
-function isCrossOriginURL(url) {
- var parts = url.match(REGEXP_ORIGINS);
+ var REGEXP_SPACES = /\s\s*/;
+ var onceSupported = function () {
+ var supported = false;
+
+ if (IN_BROWSER) {
+ var once = false;
+ var listener = function listener() {};
+ var options = Object.defineProperty({}, 'once', {
+ get: function get$$1() {
+ supported = true;
+ return once;
+ },
+
+
+ /**
+ * This setter can fix a `TypeError` in strict mode
+ * {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_only}
+ * @param {boolean} value - The value to set
+ */
+ set: function set$$1(value) {
+ once = value;
+ }
+ });
- return parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
-}
+ WINDOW.addEventListener('test', listener, options);
+ WINDOW.removeEventListener('test', listener, options);
+ }
-/**
- * Add timestamp to the given URL.
- * @param {string} url - The target URL.
- * @returns {string} The result URL.
- */
-function addTimestamp(url) {
- var timestamp = 'timestamp=' + new Date().getTime();
+ return supported;
+ }();
- return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
-}
+ /**
+ * Remove event listener from the target element.
+ * @param {Element} element - The event target.
+ * @param {string} type - The event type(s).
+ * @param {Function} listener - The event listener.
+ * @param {Object} options - The event options.
+ */
+ function removeListener(element, type, listener) {
+ var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
-/**
- * Get transforms base on the given object.
- * @param {Object} obj - The target object.
- * @returns {string} A string contains transform values.
- */
-function getTransforms(_ref) {
- var rotate = _ref.rotate,
- scaleX = _ref.scaleX,
- scaleY = _ref.scaleY,
- translateX = _ref.translateX,
- translateY = _ref.translateY;
+ var handler = listener;
- var values = [];
+ type.trim().split(REGEXP_SPACES).forEach(function (event) {
+ if (!onceSupported) {
+ var listeners = element.listeners;
- if (isNumber(translateX) && translateX !== 0) {
- values.push('translateX(' + translateX + 'px)');
- }
- if (isNumber(translateY) && translateY !== 0) {
- values.push('translateY(' + translateY + 'px)');
- }
+ if (listeners && listeners[event] && listeners[event][listener]) {
+ handler = listeners[event][listener];
+ delete listeners[event][listener];
- // Rotate should come first before scale to match orientation transform
- if (isNumber(rotate) && rotate !== 0) {
- values.push('rotate(' + rotate + 'deg)');
- }
+ if (Object.keys(listeners[event]).length === 0) {
+ delete listeners[event];
+ }
- if (isNumber(scaleX) && scaleX !== 1) {
- values.push('scaleX(' + scaleX + ')');
- }
+ if (Object.keys(listeners).length === 0) {
+ delete element.listeners;
+ }
+ }
+ }
- if (isNumber(scaleY) && scaleY !== 1) {
- values.push('scaleY(' + scaleY + ')');
+ element.removeEventListener(event, handler, options);
+ });
}
- var transform = values.length ? values.join(' ') : 'none';
-
- return {
- WebkitTransform: transform,
- msTransform: transform,
- transform: transform
- };
-}
-
-/**
- * Get the max ratio of a group of pointers.
- * @param {string} pointers - The target pointers.
- * @returns {number} The result ratio.
- */
-function getMaxZoomRatio(pointers) {
- var pointers2 = assign({}, pointers);
- var ratios = [];
-
- forEach(pointers, function (pointer, pointerId) {
- delete pointers2[pointerId];
-
- forEach(pointers2, function (pointer2) {
- var x1 = Math.abs(pointer.startX - pointer2.startX);
- var y1 = Math.abs(pointer.startY - pointer2.startY);
- var x2 = Math.abs(pointer.endX - pointer2.endX);
- var y2 = Math.abs(pointer.endY - pointer2.endY);
- var z1 = Math.sqrt(x1 * x1 + y1 * y1);
- var z2 = Math.sqrt(x2 * x2 + y2 * y2);
- var ratio = (z2 - z1) / z1;
-
- ratios.push(ratio);
- });
- });
+ /**
+ * Add event listener to the target element.
+ * @param {Element} element - The event target.
+ * @param {string} type - The event type(s).
+ * @param {Function} listener - The event listener.
+ * @param {Object} options - The event options.
+ */
+ function addListener(element, type, listener) {
+ var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
- ratios.sort(function (a, b) {
- return Math.abs(a) < Math.abs(b);
- });
+ var _handler = listener;
- return ratios[0];
-}
+ type.trim().split(REGEXP_SPACES).forEach(function (event) {
+ if (options.once && !onceSupported) {
+ var _element$listeners = element.listeners,
+ listeners = _element$listeners === undefined ? {} : _element$listeners;
-/**
- * Get a pointer from an event object.
- * @param {Object} event - The target event object.
- * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
- * @returns {Object} The result pointer contains start and/or end point coordinates.
- */
-function getPointer(_ref2, endOnly) {
- var pageX = _ref2.pageX,
- pageY = _ref2.pageY;
- var end = {
- endX: pageX,
- endY: pageY
- };
+ _handler = function handler() {
+ for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
- return endOnly ? end : assign({
- startX: pageX,
- startY: pageY
- }, end);
-}
+ delete listeners[event][listener];
+ element.removeEventListener(event, _handler, options);
+ listener.apply(element, args);
+ };
-/**
- * Get the center point coordinate of a group of pointers.
- * @param {Object} pointers - The target pointers.
- * @returns {Object} The center point coordinate.
- */
-function getPointersCenter(pointers) {
- var pageX = 0;
- var pageY = 0;
- var count = 0;
-
- forEach(pointers, function (_ref3) {
- var startX = _ref3.startX,
- startY = _ref3.startY;
-
- pageX += startX;
- pageY += startY;
- count += 1;
- });
-
- pageX /= count;
- pageY /= count;
-
- return {
- pageX: pageX,
- pageY: pageY
- };
-}
+ if (!listeners[event]) {
+ listeners[event] = {};
+ }
-/**
- * Check if the given value is a finite number.
- */
-var isFinite = Number.isFinite || WINDOW.isFinite;
+ if (listeners[event][listener]) {
+ element.removeEventListener(event, listeners[event][listener], options);
+ }
-/**
- * Get the max sizes in a rectangle under the given aspect ratio.
- * @param {Object} data - The original sizes.
- * @param {string} [type='contain'] - The adjust type.
- * @returns {Object} The result sizes.
- */
-function getAdjustedSizes(_ref4) // or 'cover'
-{
- var aspectRatio = _ref4.aspectRatio,
- height = _ref4.height,
- width = _ref4.width;
- var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'contain';
-
- var isValidNumber = function isValidNumber(value) {
- return isFinite(value) && value > 0;
- };
+ listeners[event][listener] = _handler;
+ element.listeners = listeners;
+ }
- if (isValidNumber(width) && isValidNumber(height)) {
- var adjustedWidth = height * aspectRatio;
+ element.addEventListener(event, _handler, options);
+ });
+ }
- if (type === 'contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) {
- height = width / aspectRatio;
+ /**
+ * Dispatch event on the target element.
+ * @param {Element} element - The event target.
+ * @param {string} type - The event type(s).
+ * @param {Object} data - The additional event data.
+ * @returns {boolean} Indicate if the event is default prevented or not.
+ */
+ function dispatchEvent(element, type, data) {
+ var event = void 0;
+
+ // Event and CustomEvent on IE9-11 are global objects, not constructors
+ if (isFunction(Event) && isFunction(CustomEvent)) {
+ event = new CustomEvent(type, {
+ detail: data,
+ bubbles: true,
+ cancelable: true
+ });
} else {
- width = height * aspectRatio;
+ event = document.createEvent('CustomEvent');
+ event.initCustomEvent(type, true, true, data);
}
- } else if (isValidNumber(width)) {
- height = width / aspectRatio;
- } else if (isValidNumber(height)) {
- width = height * aspectRatio;
- }
-
- return {
- width: width,
- height: height
- };
-}
-/**
- * Get the new sizes of a rectangle after rotated.
- * @param {Object} data - The original sizes.
- * @returns {Object} The result sizes.
- */
-function getRotatedSizes(_ref5) {
- var width = _ref5.width,
- height = _ref5.height,
- degree = _ref5.degree;
+ return element.dispatchEvent(event);
+ }
- degree = Math.abs(degree) % 180;
+ /**
+ * Get the offset base on the document.
+ * @param {Element} element - The target element.
+ * @returns {Object} The offset data.
+ */
+ function getOffset(element) {
+ var box = element.getBoundingClientRect();
- if (degree === 90) {
return {
- width: height,
- height: width
+ left: box.left + (window.pageXOffset - document.documentElement.clientLeft),
+ top: box.top + (window.pageYOffset - document.documentElement.clientTop)
};
}
- var arc = degree % 90 * Math.PI / 180;
- var sinArc = Math.sin(arc);
- var cosArc = Math.cos(arc);
- var newWidth = width * cosArc + height * sinArc;
- var newHeight = width * sinArc + height * cosArc;
-
- return degree > 90 ? {
- width: newHeight,
- height: newWidth
- } : {
- width: newWidth,
- height: newHeight
- };
-}
-
-/**
- * Get a canvas which drew the given image.
- * @param {HTMLImageElement} image - The image for drawing.
- * @param {Object} imageData - The image data.
- * @param {Object} canvasData - The canvas data.
- * @param {Object} options - The options.
- * @returns {HTMLCanvasElement} The result canvas.
- */
-function getSourceCanvas(image, _ref6, _ref7, _ref8) {
- var imageNaturalWidth = _ref6.naturalWidth,
- imageNaturalHeight = _ref6.naturalHeight,
- _ref6$rotate = _ref6.rotate,
- rotate = _ref6$rotate === undefined ? 0 : _ref6$rotate,
- _ref6$scaleX = _ref6.scaleX,
- scaleX = _ref6$scaleX === undefined ? 1 : _ref6$scaleX,
- _ref6$scaleY = _ref6.scaleY,
- scaleY = _ref6$scaleY === undefined ? 1 : _ref6$scaleY;
- var aspectRatio = _ref7.aspectRatio,
- naturalWidth = _ref7.naturalWidth,
- naturalHeight = _ref7.naturalHeight;
- var _ref8$fillColor = _ref8.fillColor,
- fillColor = _ref8$fillColor === undefined ? 'transparent' : _ref8$fillColor,
- _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
- imageSmoothingEnabled = _ref8$imageSmoothingE === undefined ? true : _ref8$imageSmoothingE,
- _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
- imageSmoothingQuality = _ref8$imageSmoothingQ === undefined ? 'low' : _ref8$imageSmoothingQ,
- _ref8$maxWidth = _ref8.maxWidth,
- maxWidth = _ref8$maxWidth === undefined ? Infinity : _ref8$maxWidth,
- _ref8$maxHeight = _ref8.maxHeight,
- maxHeight = _ref8$maxHeight === undefined ? Infinity : _ref8$maxHeight,
- _ref8$minWidth = _ref8.minWidth,
- minWidth = _ref8$minWidth === undefined ? 0 : _ref8$minWidth,
- _ref8$minHeight = _ref8.minHeight,
- minHeight = _ref8$minHeight === undefined ? 0 : _ref8$minHeight;
-
- var canvas = document.createElement('canvas');
- var context = canvas.getContext('2d');
- var maxSizes = getAdjustedSizes({
- aspectRatio: aspectRatio,
- width: maxWidth,
- height: maxHeight
- });
- var minSizes = getAdjustedSizes({
- aspectRatio: aspectRatio,
- width: minWidth,
- height: minHeight
- }, 'cover');
- var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
- var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));
-
- // Note: should always use image's natural sizes for drawing as
- // imageData.naturalWidth === canvasData.naturalHeight when rotate % 180 === 90
- var destWidth = Math.min(maxSizes.width, Math.max(minSizes.width, imageNaturalWidth));
- var destHeight = Math.min(maxSizes.height, Math.max(minSizes.height, imageNaturalHeight));
- var params = [-destWidth / 2, -destHeight / 2, destWidth, destHeight];
-
- canvas.width = normalizeDecimalNumber(width);
- canvas.height = normalizeDecimalNumber(height);
- context.fillStyle = fillColor;
- context.fillRect(0, 0, width, height);
- context.save();
- context.translate(width / 2, height / 2);
- context.rotate(rotate * Math.PI / 180);
- context.scale(scaleX, scaleY);
- context.imageSmoothingEnabled = imageSmoothingEnabled;
- context.imageSmoothingQuality = imageSmoothingQuality;
- context.drawImage.apply(context, [image].concat(toConsumableArray(params.map(function (param) {
- return Math.floor(normalizeDecimalNumber(param));
- }))));
- context.restore();
- return canvas;
-}
-
-var fromCharCode = String.fromCharCode;
-
-/**
- * Get string from char code in data view.
- * @param {DataView} dataView - The data view for read.
- * @param {number} start - The start index.
- * @param {number} length - The read length.
- * @returns {string} The read result.
- */
+ var location = WINDOW.location;
-function getStringFromCharCode(dataView, start, length) {
- var str = '';
- var i = void 0;
+ var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i;
- length += start;
+ /**
+ * Check if the given URL is a cross origin URL.
+ * @param {string} url - The target URL.
+ * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
+ */
+ function isCrossOriginURL(url) {
+ var parts = url.match(REGEXP_ORIGINS);
- for (i = start; i < length; i += 1) {
- str += fromCharCode(dataView.getUint8(i));
+ return parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
}
- return str;
-}
-
-var REGEXP_DATA_URL_HEAD = /^data:.*,/;
-
-/**
- * Transform Data URL to array buffer.
- * @param {string} dataURL - The Data URL to transform.
- * @returns {ArrayBuffer} The result array buffer.
- */
-function dataURLToArrayBuffer(dataURL) {
- var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
- var binary = atob(base64);
- var arrayBuffer = new ArrayBuffer(binary.length);
- var uint8 = new Uint8Array(arrayBuffer);
-
- forEach(uint8, function (value, i) {
- uint8[i] = binary.charCodeAt(i);
- });
-
- return arrayBuffer;
-}
-
-/**
- * Transform array buffer to Data URL.
- * @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
- * @param {string} mimeType - The mime type of the Data URL.
- * @returns {string} The result Data URL.
- */
-function arrayBufferToDataURL(arrayBuffer, mimeType) {
- var uint8 = new Uint8Array(arrayBuffer);
- var data = '';
-
- // TypedArray.prototype.forEach is not supported in some browsers.
- forEach(uint8, function (value) {
- data += fromCharCode(value);
- });
-
- return 'data:' + mimeType + ';base64,' + btoa(data);
-}
-
-/**
- * Get orientation value from given array buffer.
- * @param {ArrayBuffer} arrayBuffer - The array buffer to read.
- * @returns {number} The read orientation value.
- */
-function getOrientation(arrayBuffer) {
- var dataView = new DataView(arrayBuffer);
- var orientation = void 0;
- var littleEndian = void 0;
- var app1Start = void 0;
- var ifdStart = void 0;
-
- // Only handle JPEG image (start by 0xFFD8)
- if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
- var length = dataView.byteLength;
- var offset = 2;
-
- while (offset < length) {
- if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
- app1Start = offset;
- break;
- }
+ /**
+ * Add timestamp to the given URL.
+ * @param {string} url - The target URL.
+ * @returns {string} The result URL.
+ */
+ function addTimestamp(url) {
+ var timestamp = 'timestamp=' + new Date().getTime();
- offset += 1;
- }
+ return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
}
- if (app1Start) {
- var exifIDCode = app1Start + 4;
- var tiffOffset = app1Start + 10;
-
- if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
- var endianness = dataView.getUint16(tiffOffset);
-
- littleEndian = endianness === 0x4949;
+ /**
+ * Get transforms base on the given object.
+ * @param {Object} obj - The target object.
+ * @returns {string} A string contains transform values.
+ */
+ function getTransforms(_ref) {
+ var rotate = _ref.rotate,
+ scaleX = _ref.scaleX,
+ scaleY = _ref.scaleY,
+ translateX = _ref.translateX,
+ translateY = _ref.translateY;
- if (littleEndian || endianness === 0x4D4D /* bigEndian */) {
- if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
- var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
+ var values = [];
- if (firstIFDOffset >= 0x00000008) {
- ifdStart = tiffOffset + firstIFDOffset;
- }
- }
- }
+ if (isNumber(translateX) && translateX !== 0) {
+ values.push('translateX(' + translateX + 'px)');
}
- }
- if (ifdStart) {
- var _length = dataView.getUint16(ifdStart, littleEndian);
- var _offset = void 0;
- var i = void 0;
-
- for (i = 0; i < _length; i += 1) {
- _offset = ifdStart + i * 12 + 2;
+ if (isNumber(translateY) && translateY !== 0) {
+ values.push('translateY(' + translateY + 'px)');
+ }
- if (dataView.getUint16(_offset, littleEndian) === 0x0112 /* Orientation */) {
- // 8 is the offset of the current tag's value
- _offset += 8;
+ // Rotate should come first before scale to match orientation transform
+ if (isNumber(rotate) && rotate !== 0) {
+ values.push('rotate(' + rotate + 'deg)');
+ }
- // Get the original orientation value
- orientation = dataView.getUint16(_offset, littleEndian);
+ if (isNumber(scaleX) && scaleX !== 1) {
+ values.push('scaleX(' + scaleX + ')');
+ }
- // Override the orientation with its default value
- dataView.setUint16(_offset, 1, littleEndian);
- break;
- }
+ if (isNumber(scaleY) && scaleY !== 1) {
+ values.push('scaleY(' + scaleY + ')');
}
- }
- return orientation;
-}
+ var transform = values.length ? values.join(' ') : 'none';
-/**
- * Parse Exif Orientation value.
- * @param {number} orientation - The orientation to parse.
- * @returns {Object} The parsed result.
- */
-function parseOrientation(orientation) {
- var rotate = 0;
- var scaleX = 1;
- var scaleY = 1;
-
- switch (orientation) {
- // Flip horizontal
- case 2:
- scaleX = -1;
- break;
-
- // Rotate left 180°
- case 3:
- rotate = -180;
- break;
-
- // Flip vertical
- case 4:
- scaleY = -1;
- break;
-
- // Flip vertical and rotate right 90°
- case 5:
- rotate = 90;
- scaleY = -1;
- break;
-
- // Rotate right 90°
- case 6:
- rotate = 90;
- break;
-
- // Flip horizontal and rotate right 90°
- case 7:
- rotate = 90;
- scaleX = -1;
- break;
-
- // Rotate left 90°
- case 8:
- rotate = -90;
- break;
-
- default:
+ return {
+ WebkitTransform: transform,
+ msTransform: transform,
+ transform: transform
+ };
}
- return {
- rotate: rotate,
- scaleX: scaleX,
- scaleY: scaleY
- };
-}
-
-var render = {
- render: function render() {
- this.initContainer();
- this.initCanvas();
- this.initCropBox();
- this.renderCanvas();
+ /**
+ * Get the max ratio of a group of pointers.
+ * @param {string} pointers - The target pointers.
+ * @returns {number} The result ratio.
+ */
+ function getMaxZoomRatio(pointers) {
+ var pointers2 = assign({}, pointers);
+ var ratios = [];
+
+ forEach(pointers, function (pointer, pointerId) {
+ delete pointers2[pointerId];
+
+ forEach(pointers2, function (pointer2) {
+ var x1 = Math.abs(pointer.startX - pointer2.startX);
+ var y1 = Math.abs(pointer.startY - pointer2.startY);
+ var x2 = Math.abs(pointer.endX - pointer2.endX);
+ var y2 = Math.abs(pointer.endY - pointer2.endY);
+ var z1 = Math.sqrt(x1 * x1 + y1 * y1);
+ var z2 = Math.sqrt(x2 * x2 + y2 * y2);
+ var ratio = (z2 - z1) / z1;
+
+ ratios.push(ratio);
+ });
+ });
- if (this.cropped) {
- this.renderCropBox();
- }
- },
- initContainer: function initContainer() {
- var element = this.element,
- options = this.options,
- container = this.container,
- cropper = this.cropper;
+ ratios.sort(function (a, b) {
+ return Math.abs(a) < Math.abs(b);
+ });
+ return ratios[0];
+ }
- addClass(cropper, CLASS_HIDDEN);
- removeClass(element, CLASS_HIDDEN);
+ /**
+ * Get a pointer from an event object.
+ * @param {Object} event - The target event object.
+ * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
+ * @returns {Object} The result pointer contains start and/or end point coordinates.
+ */
+ function getPointer(_ref2, endOnly) {
+ var pageX = _ref2.pageX,
+ pageY = _ref2.pageY;
- var containerData = {
- width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200),
- height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100)
+ var end = {
+ endX: pageX,
+ endY: pageY
};
- this.containerData = containerData;
+ return endOnly ? end : assign({
+ startX: pageX,
+ startY: pageY
+ }, end);
+ }
- setStyle(cropper, {
- width: containerData.width,
- height: containerData.height
- });
+ /**
+ * Get the center point coordinate of a group of pointers.
+ * @param {Object} pointers - The target pointers.
+ * @returns {Object} The center point coordinate.
+ */
+ function getPointersCenter(pointers) {
+ var pageX = 0;
+ var pageY = 0;
+ var count = 0;
+
+ forEach(pointers, function (_ref3) {
+ var startX = _ref3.startX,
+ startY = _ref3.startY;
+
+ pageX += startX;
+ pageY += startY;
+ count += 1;
+ });
+
+ pageX /= count;
+ pageY /= count;
- addClass(element, CLASS_HIDDEN);
- removeClass(cropper, CLASS_HIDDEN);
- },
+ return {
+ pageX: pageX,
+ pageY: pageY
+ };
+ }
+ /**
+ * Check if the given value is a finite number.
+ */
+ var isFinite = Number.isFinite || WINDOW.isFinite;
- // Canvas (image wrapper)
- initCanvas: function initCanvas() {
- var containerData = this.containerData,
- imageData = this.imageData;
- var viewMode = this.options.viewMode;
+ /**
+ * Get the max sizes in a rectangle under the given aspect ratio.
+ * @param {Object} data - The original sizes.
+ * @param {string} [type='contain'] - The adjust type.
+ * @returns {Object} The result sizes.
+ */
+ function getAdjustedSizes(_ref4) // or 'cover'
+ {
+ var aspectRatio = _ref4.aspectRatio,
+ height = _ref4.height,
+ width = _ref4.width;
+ var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'contain';
+
+ var isValidNumber = function isValidNumber(value) {
+ return isFinite(value) && value > 0;
+ };
- var rotated = Math.abs(imageData.rotate) % 180 === 90;
- var naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth;
- var naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight;
- var aspectRatio = naturalWidth / naturalHeight;
- var canvasWidth = containerData.width;
- var canvasHeight = containerData.height;
+ if (isValidNumber(width) && isValidNumber(height)) {
+ var adjustedWidth = height * aspectRatio;
- if (containerData.height * aspectRatio > containerData.width) {
- if (viewMode === 3) {
- canvasWidth = containerData.height * aspectRatio;
+ if (type === 'contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) {
+ height = width / aspectRatio;
} else {
- canvasHeight = containerData.width / aspectRatio;
+ width = height * aspectRatio;
}
- } else if (viewMode === 3) {
- canvasHeight = containerData.width / aspectRatio;
- } else {
- canvasWidth = containerData.height * aspectRatio;
+ } else if (isValidNumber(width)) {
+ height = width / aspectRatio;
+ } else if (isValidNumber(height)) {
+ width = height * aspectRatio;
}
- var canvasData = {
- aspectRatio: aspectRatio,
- naturalWidth: naturalWidth,
- naturalHeight: naturalHeight,
- width: canvasWidth,
- height: canvasHeight
+ return {
+ width: width,
+ height: height
};
+ }
- canvasData.left = (containerData.width - canvasWidth) / 2;
- canvasData.top = (containerData.height - canvasHeight) / 2;
- canvasData.oldLeft = canvasData.left;
- canvasData.oldTop = canvasData.top;
-
- this.canvasData = canvasData;
- this.limited = viewMode === 1 || viewMode === 2;
- this.limitCanvas(true, true);
- this.initialImageData = assign({}, imageData);
- this.initialCanvasData = assign({}, canvasData);
- },
- limitCanvas: function limitCanvas(sizeLimited, positionLimited) {
- var options = this.options,
- containerData = this.containerData,
- canvasData = this.canvasData,
- cropBoxData = this.cropBoxData;
- var viewMode = options.viewMode;
- var aspectRatio = canvasData.aspectRatio;
-
- var cropped = this.cropped && cropBoxData;
-
- if (sizeLimited) {
- var minCanvasWidth = Number(options.minCanvasWidth) || 0;
- var minCanvasHeight = Number(options.minCanvasHeight) || 0;
-
- if (viewMode > 1) {
- minCanvasWidth = Math.max(minCanvasWidth, containerData.width);
- minCanvasHeight = Math.max(minCanvasHeight, containerData.height);
+ /**
+ * Get the new sizes of a rectangle after rotated.
+ * @param {Object} data - The original sizes.
+ * @returns {Object} The result sizes.
+ */
+ function getRotatedSizes(_ref5) {
+ var width = _ref5.width,
+ height = _ref5.height,
+ degree = _ref5.degree;
- if (viewMode === 3) {
- if (minCanvasHeight * aspectRatio > minCanvasWidth) {
- minCanvasWidth = minCanvasHeight * aspectRatio;
- } else {
- minCanvasHeight = minCanvasWidth / aspectRatio;
- }
- }
- } else if (viewMode > 0) {
- if (minCanvasWidth) {
- minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBoxData.width : 0);
- } else if (minCanvasHeight) {
- minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBoxData.height : 0);
- } else if (cropped) {
- minCanvasWidth = cropBoxData.width;
- minCanvasHeight = cropBoxData.height;
-
- if (minCanvasHeight * aspectRatio > minCanvasWidth) {
- minCanvasWidth = minCanvasHeight * aspectRatio;
- } else {
- minCanvasHeight = minCanvasWidth / aspectRatio;
- }
- }
- }
+ degree = Math.abs(degree) % 180;
- var _getAdjustedSizes = getAdjustedSizes({
- aspectRatio: aspectRatio,
- width: minCanvasWidth,
- height: minCanvasHeight
- });
+ if (degree === 90) {
+ return {
+ width: height,
+ height: width
+ };
+ }
- minCanvasWidth = _getAdjustedSizes.width;
- minCanvasHeight = _getAdjustedSizes.height;
+ var arc = degree % 90 * Math.PI / 180;
+ var sinArc = Math.sin(arc);
+ var cosArc = Math.cos(arc);
+ var newWidth = width * cosArc + height * sinArc;
+ var newHeight = width * sinArc + height * cosArc;
+ return degree > 90 ? {
+ width: newHeight,
+ height: newWidth
+ } : {
+ width: newWidth,
+ height: newHeight
+ };
+ }
- canvasData.minWidth = minCanvasWidth;
- canvasData.minHeight = minCanvasHeight;
- canvasData.maxWidth = Infinity;
- canvasData.maxHeight = Infinity;
- }
+ /**
+ * Get a canvas which drew the given image.
+ * @param {HTMLImageElement} image - The image for drawing.
+ * @param {Object} imageData - The image data.
+ * @param {Object} canvasData - The canvas data.
+ * @param {Object} options - The options.
+ * @returns {HTMLCanvasElement} The result canvas.
+ */
+ function getSourceCanvas(image, _ref6, _ref7, _ref8) {
+ var imageAspectRatio = _ref6.aspectRatio,
+ imageNaturalWidth = _ref6.naturalWidth,
+ imageNaturalHeight = _ref6.naturalHeight,
+ _ref6$rotate = _ref6.rotate,
+ rotate = _ref6$rotate === undefined ? 0 : _ref6$rotate,
+ _ref6$scaleX = _ref6.scaleX,
+ scaleX = _ref6$scaleX === undefined ? 1 : _ref6$scaleX,
+ _ref6$scaleY = _ref6.scaleY,
+ scaleY = _ref6$scaleY === undefined ? 1 : _ref6$scaleY;
+ var aspectRatio = _ref7.aspectRatio,
+ naturalWidth = _ref7.naturalWidth,
+ naturalHeight = _ref7.naturalHeight;
+ var _ref8$fillColor = _ref8.fillColor,
+ fillColor = _ref8$fillColor === undefined ? 'transparent' : _ref8$fillColor,
+ _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
+ imageSmoothingEnabled = _ref8$imageSmoothingE === undefined ? true : _ref8$imageSmoothingE,
+ _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
+ imageSmoothingQuality = _ref8$imageSmoothingQ === undefined ? 'low' : _ref8$imageSmoothingQ,
+ _ref8$maxWidth = _ref8.maxWidth,
+ maxWidth = _ref8$maxWidth === undefined ? Infinity : _ref8$maxWidth,
+ _ref8$maxHeight = _ref8.maxHeight,
+ maxHeight = _ref8$maxHeight === undefined ? Infinity : _ref8$maxHeight,
+ _ref8$minWidth = _ref8.minWidth,
+ minWidth = _ref8$minWidth === undefined ? 0 : _ref8$minWidth,
+ _ref8$minHeight = _ref8.minHeight,
+ minHeight = _ref8$minHeight === undefined ? 0 : _ref8$minHeight;
- if (positionLimited) {
- if (viewMode) {
- var newCanvasLeft = containerData.width - canvasData.width;
- var newCanvasTop = containerData.height - canvasData.height;
-
- canvasData.minLeft = Math.min(0, newCanvasLeft);
- canvasData.minTop = Math.min(0, newCanvasTop);
- canvasData.maxLeft = Math.max(0, newCanvasLeft);
- canvasData.maxTop = Math.max(0, newCanvasTop);
-
- if (cropped && this.limited) {
- canvasData.minLeft = Math.min(cropBoxData.left, cropBoxData.left + (cropBoxData.width - canvasData.width));
- canvasData.minTop = Math.min(cropBoxData.top, cropBoxData.top + (cropBoxData.height - canvasData.height));
- canvasData.maxLeft = cropBoxData.left;
- canvasData.maxTop = cropBoxData.top;
-
- if (viewMode === 2) {
- if (canvasData.width >= containerData.width) {
- canvasData.minLeft = Math.min(0, newCanvasLeft);
- canvasData.maxLeft = Math.max(0, newCanvasLeft);
- }
+ var canvas = document.createElement('canvas');
+ var context = canvas.getContext('2d');
+ var maxSizes = getAdjustedSizes({
+ aspectRatio: aspectRatio,
+ width: maxWidth,
+ height: maxHeight
+ });
+ var minSizes = getAdjustedSizes({
+ aspectRatio: aspectRatio,
+ width: minWidth,
+ height: minHeight
+ }, 'cover');
+ var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
+ var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));
+
+ // Note: should always use image's natural sizes for drawing as
+ // imageData.naturalWidth === canvasData.naturalHeight when rotate % 180 === 90
+ var destMaxSizes = getAdjustedSizes({
+ aspectRatio: imageAspectRatio,
+ width: maxWidth,
+ height: maxHeight
+ });
+ var destMinSizes = getAdjustedSizes({
+ aspectRatio: imageAspectRatio,
+ width: minWidth,
+ height: minHeight
+ }, 'cover');
+ var destWidth = Math.min(destMaxSizes.width, Math.max(destMinSizes.width, imageNaturalWidth));
+ var destHeight = Math.min(destMaxSizes.height, Math.max(destMinSizes.height, imageNaturalHeight));
+ var params = [-destWidth / 2, -destHeight / 2, destWidth, destHeight];
- if (canvasData.height >= containerData.height) {
- canvasData.minTop = Math.min(0, newCanvasTop);
- canvasData.maxTop = Math.max(0, newCanvasTop);
- }
- }
- }
- } else {
- canvasData.minLeft = -canvasData.width;
- canvasData.minTop = -canvasData.height;
- canvasData.maxLeft = containerData.width;
- canvasData.maxTop = containerData.height;
- }
- }
- },
- renderCanvas: function renderCanvas(changed, transformed) {
- var canvasData = this.canvasData,
- imageData = this.imageData;
+ canvas.width = normalizeDecimalNumber(width);
+ canvas.height = normalizeDecimalNumber(height);
+ context.fillStyle = fillColor;
+ context.fillRect(0, 0, width, height);
+ context.save();
+ context.translate(width / 2, height / 2);
+ context.rotate(rotate * Math.PI / 180);
+ context.scale(scaleX, scaleY);
+ context.imageSmoothingEnabled = imageSmoothingEnabled;
+ context.imageSmoothingQuality = imageSmoothingQuality;
+ context.drawImage.apply(context, [image].concat(toConsumableArray(params.map(function (param) {
+ return Math.floor(normalizeDecimalNumber(param));
+ }))));
+ context.restore();
+ return canvas;
+ }
+ var fromCharCode = String.fromCharCode;
- if (transformed) {
- var _getRotatedSizes = getRotatedSizes({
- width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1),
- height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1),
- degree: imageData.rotate || 0
- }),
- naturalWidth = _getRotatedSizes.width,
- naturalHeight = _getRotatedSizes.height;
-
- var width = canvasData.width * (naturalWidth / canvasData.naturalWidth);
- var height = canvasData.height * (naturalHeight / canvasData.naturalHeight);
-
- canvasData.left -= (width - canvasData.width) / 2;
- canvasData.top -= (height - canvasData.height) / 2;
- canvasData.width = width;
- canvasData.height = height;
- canvasData.aspectRatio = naturalWidth / naturalHeight;
- canvasData.naturalWidth = naturalWidth;
- canvasData.naturalHeight = naturalHeight;
- this.limitCanvas(true, false);
- }
+ /**
+ * Get string from char code in data view.
+ * @param {DataView} dataView - The data view for read.
+ * @param {number} start - The start index.
+ * @param {number} length - The read length.
+ * @returns {string} The read result.
+ */
- if (canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) {
- canvasData.left = canvasData.oldLeft;
- }
+ function getStringFromCharCode(dataView, start, length) {
+ var str = '';
+ var i = void 0;
+
+ length += start;
- if (canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) {
- canvasData.top = canvasData.oldTop;
+ for (i = start; i < length; i += 1) {
+ str += fromCharCode(dataView.getUint8(i));
}
- canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth);
- canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight);
+ return str;
+ }
- this.limitCanvas(false, true);
+ var REGEXP_DATA_URL_HEAD = /^data:.*,/;
- canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft);
- canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop);
- canvasData.oldLeft = canvasData.left;
- canvasData.oldTop = canvasData.top;
+ /**
+ * Transform Data URL to array buffer.
+ * @param {string} dataURL - The Data URL to transform.
+ * @returns {ArrayBuffer} The result array buffer.
+ */
+ function dataURLToArrayBuffer(dataURL) {
+ var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
+ var binary = atob(base64);
+ var arrayBuffer = new ArrayBuffer(binary.length);
+ var uint8 = new Uint8Array(arrayBuffer);
+
+ forEach(uint8, function (value, i) {
+ uint8[i] = binary.charCodeAt(i);
+ });
- setStyle(this.canvas, assign({
- width: canvasData.width,
- height: canvasData.height
- }, getTransforms({
- translateX: canvasData.left,
- translateY: canvasData.top
- })));
+ return arrayBuffer;
+ }
- this.renderImage(changed);
+ /**
+ * Transform array buffer to Data URL.
+ * @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
+ * @param {string} mimeType - The mime type of the Data URL.
+ * @returns {string} The result Data URL.
+ */
+ function arrayBufferToDataURL(arrayBuffer, mimeType) {
+ var uint8 = new Uint8Array(arrayBuffer);
+ var data = '';
- if (this.cropped && this.limited) {
- this.limitCropBox(true, true);
- }
- },
- renderImage: function renderImage(changed) {
- var canvasData = this.canvasData,
- imageData = this.imageData;
+ // TypedArray.prototype.forEach is not supported in some browsers.
+ forEach(uint8, function (value) {
+ data += fromCharCode(value);
+ });
- var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth);
- var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight);
+ return 'data:' + mimeType + ';base64,' + btoa(data);
+ }
- assign(imageData, {
- width: width,
- height: height,
- left: (canvasData.width - width) / 2,
- top: (canvasData.height - height) / 2
- });
- setStyle(this.image, assign({
- width: imageData.width,
- height: imageData.height
- }, getTransforms(assign({
- translateX: imageData.left,
- translateY: imageData.top
- }, imageData))));
-
- if (changed) {
- this.output();
- }
- },
- initCropBox: function initCropBox() {
- var options = this.options,
- canvasData = this.canvasData;
- var aspectRatio = options.aspectRatio;
-
- var autoCropArea = Number(options.autoCropArea) || 0.8;
- var cropBoxData = {
- width: canvasData.width,
- height: canvasData.height
- };
+ /**
+ * Get orientation value from given array buffer.
+ * @param {ArrayBuffer} arrayBuffer - The array buffer to read.
+ * @returns {number} The read orientation value.
+ */
+ function getOrientation(arrayBuffer) {
+ var dataView = new DataView(arrayBuffer);
+ var orientation = void 0;
+ var littleEndian = void 0;
+ var app1Start = void 0;
+ var ifdStart = void 0;
+
+ // Only handle JPEG image (start by 0xFFD8)
+ if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
+ var length = dataView.byteLength;
+ var offset = 2;
+
+ while (offset < length) {
+ if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
+ app1Start = offset;
+ break;
+ }
- if (aspectRatio) {
- if (canvasData.height * aspectRatio > canvasData.width) {
- cropBoxData.height = cropBoxData.width / aspectRatio;
- } else {
- cropBoxData.width = cropBoxData.height * aspectRatio;
+ offset += 1;
}
}
- this.cropBoxData = cropBoxData;
- this.limitCropBox(true, true);
-
- // Initialize auto crop area
- cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
- cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);
-
- // The width/height of auto crop area must large than "minWidth/Height"
- cropBoxData.width = Math.max(cropBoxData.minWidth, cropBoxData.width * autoCropArea);
- cropBoxData.height = Math.max(cropBoxData.minHeight, cropBoxData.height * autoCropArea);
- cropBoxData.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2;
- cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2;
- cropBoxData.oldLeft = cropBoxData.left;
- cropBoxData.oldTop = cropBoxData.top;
-
- this.initialCropBoxData = assign({}, cropBoxData);
- },
- limitCropBox: function limitCropBox(sizeLimited, positionLimited) {
- var options = this.options,
- containerData = this.containerData,
- canvasData = this.canvasData,
- cropBoxData = this.cropBoxData,
- limited = this.limited;
- var aspectRatio = options.aspectRatio;
-
-
- if (sizeLimited) {
- var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
- var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
- var maxCropBoxWidth = Math.min(containerData.width, limited ? canvasData.width : containerData.width);
- var maxCropBoxHeight = Math.min(containerData.height, limited ? canvasData.height : containerData.height);
-
- // The min/maxCropBoxWidth/Height must be less than container's width/height
- minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width);
- minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height);
+ if (app1Start) {
+ var exifIDCode = app1Start + 4;
+ var tiffOffset = app1Start + 10;
- if (aspectRatio) {
- if (minCropBoxWidth && minCropBoxHeight) {
- if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
- minCropBoxHeight = minCropBoxWidth / aspectRatio;
- } else {
- minCropBoxWidth = minCropBoxHeight * aspectRatio;
- }
- } else if (minCropBoxWidth) {
- minCropBoxHeight = minCropBoxWidth / aspectRatio;
- } else if (minCropBoxHeight) {
- minCropBoxWidth = minCropBoxHeight * aspectRatio;
- }
+ if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
+ var endianness = dataView.getUint16(tiffOffset);
- if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
- maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
- } else {
- maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
- }
- }
+ littleEndian = endianness === 0x4949;
- // The minWidth/Height must be less than maxWidth/Height
- cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
- cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
- cropBoxData.maxWidth = maxCropBoxWidth;
- cropBoxData.maxHeight = maxCropBoxHeight;
- }
+ if (littleEndian || endianness === 0x4D4D /* bigEndian */) {
+ if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
+ var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
- if (positionLimited) {
- if (limited) {
- cropBoxData.minLeft = Math.max(0, canvasData.left);
- cropBoxData.minTop = Math.max(0, canvasData.top);
- cropBoxData.maxLeft = Math.min(containerData.width, canvasData.left + canvasData.width) - cropBoxData.width;
- cropBoxData.maxTop = Math.min(containerData.height, canvasData.top + canvasData.height) - cropBoxData.height;
- } else {
- cropBoxData.minLeft = 0;
- cropBoxData.minTop = 0;
- cropBoxData.maxLeft = containerData.width - cropBoxData.width;
- cropBoxData.maxTop = containerData.height - cropBoxData.height;
+ if (firstIFDOffset >= 0x00000008) {
+ ifdStart = tiffOffset + firstIFDOffset;
+ }
+ }
+ }
}
}
- },
- renderCropBox: function renderCropBox() {
- var options = this.options,
- containerData = this.containerData,
- cropBoxData = this.cropBoxData;
+ if (ifdStart) {
+ var _length = dataView.getUint16(ifdStart, littleEndian);
+ var _offset = void 0;
+ var i = void 0;
- if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) {
- cropBoxData.left = cropBoxData.oldLeft;
- }
+ for (i = 0; i < _length; i += 1) {
+ _offset = ifdStart + i * 12 + 2;
- if (cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) {
- cropBoxData.top = cropBoxData.oldTop;
+ if (dataView.getUint16(_offset, littleEndian) === 0x0112 /* Orientation */) {
+ // 8 is the offset of the current tag's value
+ _offset += 8;
+
+ // Get the original orientation value
+ orientation = dataView.getUint16(_offset, littleEndian);
+
+ // Override the orientation with its default value
+ dataView.setUint16(_offset, 1, littleEndian);
+ break;
+ }
+ }
}
- cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
- cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);
+ return orientation;
+ }
- this.limitCropBox(false, true);
+ /**
+ * Parse Exif Orientation value.
+ * @param {number} orientation - The orientation to parse.
+ * @returns {Object} The parsed result.
+ */
+ function parseOrientation(orientation) {
+ var rotate = 0;
+ var scaleX = 1;
+ var scaleY = 1;
+
+ switch (orientation) {
+ // Flip horizontal
+ case 2:
+ scaleX = -1;
+ break;
- cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft);
- cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop);
- cropBoxData.oldLeft = cropBoxData.left;
- cropBoxData.oldTop = cropBoxData.top;
+ // Rotate left 180°
+ case 3:
+ rotate = -180;
+ break;
- if (options.movable && options.cropBoxMovable) {
- // Turn to move the canvas when the crop box is equal to the container
- setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL);
- }
+ // Flip vertical
+ case 4:
+ scaleY = -1;
+ break;
- setStyle(this.cropBox, assign({
- width: cropBoxData.width,
- height: cropBoxData.height
- }, getTransforms({
- translateX: cropBoxData.left,
- translateY: cropBoxData.top
- })));
+ // Flip vertical and rotate right 90°
+ case 5:
+ rotate = 90;
+ scaleY = -1;
+ break;
- if (this.cropped && this.limited) {
- this.limitCanvas(true, true);
- }
+ // Rotate right 90°
+ case 6:
+ rotate = 90;
+ break;
+
+ // Flip horizontal and rotate right 90°
+ case 7:
+ rotate = 90;
+ scaleX = -1;
+ break;
+
+ // Rotate left 90°
+ case 8:
+ rotate = -90;
+ break;
- if (!this.disabled) {
- this.output();
+ default:
}
- },
- output: function output() {
- this.preview();
- dispatchEvent(this.element, EVENT_CROP, this.getData());
+
+ return {
+ rotate: rotate,
+ scaleX: scaleX,
+ scaleY: scaleY
+ };
}
-};
-var preview = {
- initPreview: function initPreview() {
- var crossOrigin = this.crossOrigin;
- var preview = this.options.preview;
+ var render = {
+ render: function render() {
+ this.initContainer();
+ this.initCanvas();
+ this.initCropBox();
+ this.renderCanvas();
- var url = crossOrigin ? this.crossOriginUrl : this.url;
- var image = document.createElement('img');
+ if (this.cropped) {
+ this.renderCropBox();
+ }
+ },
+ initContainer: function initContainer() {
+ var element = this.element,
+ options = this.options,
+ container = this.container,
+ cropper = this.cropper;
- if (crossOrigin) {
- image.crossOrigin = crossOrigin;
- }
- image.src = url;
- this.viewBox.appendChild(image);
- this.viewBoxImage = image;
+ addClass(cropper, CLASS_HIDDEN);
+ removeClass(element, CLASS_HIDDEN);
- if (!preview) {
- return;
- }
+ var containerData = {
+ width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200),
+ height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100)
+ };
- var previews = preview;
+ this.containerData = containerData;
- if (typeof preview === 'string') {
- previews = this.element.ownerDocument.querySelectorAll(preview);
- } else if (preview.querySelector) {
- previews = [preview];
- }
+ setStyle(cropper, {
+ width: containerData.width,
+ height: containerData.height
+ });
- this.previews = previews;
+ addClass(element, CLASS_HIDDEN);
+ removeClass(cropper, CLASS_HIDDEN);
+ },
- forEach(previews, function (el) {
- var img = document.createElement('img');
- // Save the original size for recover
- setData(el, DATA_PREVIEW, {
- width: el.offsetWidth,
- height: el.offsetHeight,
- html: el.innerHTML
- });
+ // Canvas (image wrapper)
+ initCanvas: function initCanvas() {
+ var containerData = this.containerData,
+ imageData = this.imageData;
+ var viewMode = this.options.viewMode;
- if (crossOrigin) {
- img.crossOrigin = crossOrigin;
- }
+ var rotated = Math.abs(imageData.rotate) % 180 === 90;
+ var naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth;
+ var naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight;
+ var aspectRatio = naturalWidth / naturalHeight;
+ var canvasWidth = containerData.width;
+ var canvasHeight = containerData.height;
- img.src = url;
+ if (containerData.height * aspectRatio > containerData.width) {
+ if (viewMode === 3) {
+ canvasWidth = containerData.height * aspectRatio;
+ } else {
+ canvasHeight = containerData.width / aspectRatio;
+ }
+ } else if (viewMode === 3) {
+ canvasHeight = containerData.width / aspectRatio;
+ } else {
+ canvasWidth = containerData.height * aspectRatio;
+ }
- /**
- * Override img element styles
- * Add `display:block` to avoid margin top issue
- * Add `height:auto` to override `height` attribute on IE8
- * (Occur only when margin-top <= -height)
- */
- img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';
+ var canvasData = {
+ aspectRatio: aspectRatio,
+ naturalWidth: naturalWidth,
+ naturalHeight: naturalHeight,
+ width: canvasWidth,
+ height: canvasHeight
+ };
- el.innerHTML = '';
- el.appendChild(img);
- });
- },
- resetPreview: function resetPreview() {
- forEach(this.previews, function (element) {
- var data = getData(element, DATA_PREVIEW);
-
- setStyle(element, {
- width: data.width,
- height: data.height
- });
+ canvasData.left = (containerData.width - canvasWidth) / 2;
+ canvasData.top = (containerData.height - canvasHeight) / 2;
+ canvasData.oldLeft = canvasData.left;
+ canvasData.oldTop = canvasData.top;
- element.innerHTML = data.html;
- removeData(element, DATA_PREVIEW);
- });
- },
- preview: function preview() {
- var imageData = this.imageData,
- canvasData = this.canvasData,
- cropBoxData = this.cropBoxData;
- var cropBoxWidth = cropBoxData.width,
- cropBoxHeight = cropBoxData.height;
- var width = imageData.width,
- height = imageData.height;
-
- var left = cropBoxData.left - canvasData.left - imageData.left;
- var top = cropBoxData.top - canvasData.top - imageData.top;
-
- if (!this.cropped || this.disabled) {
- return;
- }
+ this.canvasData = canvasData;
+ this.limited = viewMode === 1 || viewMode === 2;
+ this.limitCanvas(true, true);
+ this.initialImageData = assign({}, imageData);
+ this.initialCanvasData = assign({}, canvasData);
+ },
+ limitCanvas: function limitCanvas(sizeLimited, positionLimited) {
+ var options = this.options,
+ containerData = this.containerData,
+ canvasData = this.canvasData,
+ cropBoxData = this.cropBoxData;
+ var viewMode = options.viewMode;
+ var aspectRatio = canvasData.aspectRatio;
+
+ var cropped = this.cropped && cropBoxData;
+
+ if (sizeLimited) {
+ var minCanvasWidth = Number(options.minCanvasWidth) || 0;
+ var minCanvasHeight = Number(options.minCanvasHeight) || 0;
+
+ if (viewMode > 1) {
+ minCanvasWidth = Math.max(minCanvasWidth, containerData.width);
+ minCanvasHeight = Math.max(minCanvasHeight, containerData.height);
+
+ if (viewMode === 3) {
+ if (minCanvasHeight * aspectRatio > minCanvasWidth) {
+ minCanvasWidth = minCanvasHeight * aspectRatio;
+ } else {
+ minCanvasHeight = minCanvasWidth / aspectRatio;
+ }
+ }
+ } else if (viewMode > 0) {
+ if (minCanvasWidth) {
+ minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBoxData.width : 0);
+ } else if (minCanvasHeight) {
+ minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBoxData.height : 0);
+ } else if (cropped) {
+ minCanvasWidth = cropBoxData.width;
+ minCanvasHeight = cropBoxData.height;
+
+ if (minCanvasHeight * aspectRatio > minCanvasWidth) {
+ minCanvasWidth = minCanvasHeight * aspectRatio;
+ } else {
+ minCanvasHeight = minCanvasWidth / aspectRatio;
+ }
+ }
+ }
- setStyle(this.viewBoxImage, assign({
- width: width,
- height: height
- }, getTransforms(assign({
- translateX: -left,
- translateY: -top
- }, imageData))));
+ var _getAdjustedSizes = getAdjustedSizes({
+ aspectRatio: aspectRatio,
+ width: minCanvasWidth,
+ height: minCanvasHeight
+ });
- forEach(this.previews, function (element) {
- var data = getData(element, DATA_PREVIEW);
- var originalWidth = data.width;
- var originalHeight = data.height;
- var newWidth = originalWidth;
- var newHeight = originalHeight;
- var ratio = 1;
+ minCanvasWidth = _getAdjustedSizes.width;
+ minCanvasHeight = _getAdjustedSizes.height;
- if (cropBoxWidth) {
- ratio = originalWidth / cropBoxWidth;
- newHeight = cropBoxHeight * ratio;
- }
- if (cropBoxHeight && newHeight > originalHeight) {
- ratio = originalHeight / cropBoxHeight;
- newWidth = cropBoxWidth * ratio;
- newHeight = originalHeight;
+ canvasData.minWidth = minCanvasWidth;
+ canvasData.minHeight = minCanvasHeight;
+ canvasData.maxWidth = Infinity;
+ canvasData.maxHeight = Infinity;
}
- setStyle(element, {
- width: newWidth,
- height: newHeight
- });
+ if (positionLimited) {
+ if (viewMode) {
+ var newCanvasLeft = containerData.width - canvasData.width;
+ var newCanvasTop = containerData.height - canvasData.height;
- setStyle(element.getElementsByTagName('img')[0], assign({
- width: width * ratio,
- height: height * ratio
- }, getTransforms(assign({
- translateX: -left * ratio,
- translateY: -top * ratio
- }, imageData))));
- });
- }
-};
+ canvasData.minLeft = Math.min(0, newCanvasLeft);
+ canvasData.minTop = Math.min(0, newCanvasTop);
+ canvasData.maxLeft = Math.max(0, newCanvasLeft);
+ canvasData.maxTop = Math.max(0, newCanvasTop);
-var events = {
- bind: function bind() {
- var element = this.element,
- options = this.options,
- cropper = this.cropper;
+ if (cropped && this.limited) {
+ canvasData.minLeft = Math.min(cropBoxData.left, cropBoxData.left + (cropBoxData.width - canvasData.width));
+ canvasData.minTop = Math.min(cropBoxData.top, cropBoxData.top + (cropBoxData.height - canvasData.height));
+ canvasData.maxLeft = cropBoxData.left;
+ canvasData.maxTop = cropBoxData.top;
+ if (viewMode === 2) {
+ if (canvasData.width >= containerData.width) {
+ canvasData.minLeft = Math.min(0, newCanvasLeft);
+ canvasData.maxLeft = Math.max(0, newCanvasLeft);
+ }
- if (isFunction(options.cropstart)) {
- addListener(element, EVENT_CROP_START, options.cropstart);
- }
+ if (canvasData.height >= containerData.height) {
+ canvasData.minTop = Math.min(0, newCanvasTop);
+ canvasData.maxTop = Math.max(0, newCanvasTop);
+ }
+ }
+ }
+ } else {
+ canvasData.minLeft = -canvasData.width;
+ canvasData.minTop = -canvasData.height;
+ canvasData.maxLeft = containerData.width;
+ canvasData.maxTop = containerData.height;
+ }
+ }
+ },
+ renderCanvas: function renderCanvas(changed, transformed) {
+ var canvasData = this.canvasData,
+ imageData = this.imageData;
- if (isFunction(options.cropmove)) {
- addListener(element, EVENT_CROP_MOVE, options.cropmove);
- }
- if (isFunction(options.cropend)) {
- addListener(element, EVENT_CROP_END, options.cropend);
- }
+ if (transformed) {
+ var _getRotatedSizes = getRotatedSizes({
+ width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1),
+ height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1),
+ degree: imageData.rotate || 0
+ }),
+ naturalWidth = _getRotatedSizes.width,
+ naturalHeight = _getRotatedSizes.height;
- if (isFunction(options.crop)) {
- addListener(element, EVENT_CROP, options.crop);
- }
+ var width = canvasData.width * (naturalWidth / canvasData.naturalWidth);
+ var height = canvasData.height * (naturalHeight / canvasData.naturalHeight);
- if (isFunction(options.zoom)) {
- addListener(element, EVENT_ZOOM, options.zoom);
- }
+ canvasData.left -= (width - canvasData.width) / 2;
+ canvasData.top -= (height - canvasData.height) / 2;
+ canvasData.width = width;
+ canvasData.height = height;
+ canvasData.aspectRatio = naturalWidth / naturalHeight;
+ canvasData.naturalWidth = naturalWidth;
+ canvasData.naturalHeight = naturalHeight;
+ this.limitCanvas(true, false);
+ }
- addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = this.cropStart.bind(this));
+ if (canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) {
+ canvasData.left = canvasData.oldLeft;
+ }
- if (options.zoomable && options.zoomOnWheel) {
- addListener(cropper, EVENT_WHEEL, this.onWheel = this.wheel.bind(this));
- }
+ if (canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) {
+ canvasData.top = canvasData.oldTop;
+ }
- if (options.toggleDragModeOnDblclick) {
- addListener(cropper, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this));
- }
+ canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth);
+ canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight);
- addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = this.cropMove.bind(this));
- addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = this.cropEnd.bind(this));
+ this.limitCanvas(false, true);
- if (options.responsive) {
- addListener(window, EVENT_RESIZE, this.onResize = this.resize.bind(this));
- }
- },
- unbind: function unbind() {
- var element = this.element,
- options = this.options,
- cropper = this.cropper;
+ canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft);
+ canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop);
+ canvasData.oldLeft = canvasData.left;
+ canvasData.oldTop = canvasData.top;
+ setStyle(this.canvas, assign({
+ width: canvasData.width,
+ height: canvasData.height
+ }, getTransforms({
+ translateX: canvasData.left,
+ translateY: canvasData.top
+ })));
- if (isFunction(options.cropstart)) {
- removeListener(element, EVENT_CROP_START, options.cropstart);
- }
+ this.renderImage(changed);
- if (isFunction(options.cropmove)) {
- removeListener(element, EVENT_CROP_MOVE, options.cropmove);
- }
+ if (this.cropped && this.limited) {
+ this.limitCropBox(true, true);
+ }
+ },
+ renderImage: function renderImage(changed) {
+ var canvasData = this.canvasData,
+ imageData = this.imageData;
- if (isFunction(options.cropend)) {
- removeListener(element, EVENT_CROP_END, options.cropend);
- }
+ var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth);
+ var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight);
- if (isFunction(options.crop)) {
- removeListener(element, EVENT_CROP, options.crop);
- }
+ assign(imageData, {
+ width: width,
+ height: height,
+ left: (canvasData.width - width) / 2,
+ top: (canvasData.height - height) / 2
+ });
+ setStyle(this.image, assign({
+ width: imageData.width,
+ height: imageData.height
+ }, getTransforms(assign({
+ translateX: imageData.left,
+ translateY: imageData.top
+ }, imageData))));
- if (isFunction(options.zoom)) {
- removeListener(element, EVENT_ZOOM, options.zoom);
- }
+ if (changed) {
+ this.output();
+ }
+ },
+ initCropBox: function initCropBox() {
+ var options = this.options,
+ canvasData = this.canvasData;
+ var aspectRatio = options.aspectRatio;
- removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart);
+ var autoCropArea = Number(options.autoCropArea) || 0.8;
+ var cropBoxData = {
+ width: canvasData.width,
+ height: canvasData.height
+ };
- if (options.zoomable && options.zoomOnWheel) {
- removeListener(cropper, EVENT_WHEEL, this.onWheel);
- }
+ if (aspectRatio) {
+ if (canvasData.height * aspectRatio > canvasData.width) {
+ cropBoxData.height = cropBoxData.width / aspectRatio;
+ } else {
+ cropBoxData.width = cropBoxData.height * aspectRatio;
+ }
+ }
- if (options.toggleDragModeOnDblclick) {
- removeListener(cropper, EVENT_DBLCLICK, this.onDblclick);
- }
+ this.cropBoxData = cropBoxData;
+ this.limitCropBox(true, true);
- removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove);
- removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd);
+ // Initialize auto crop area
+ cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
+ cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);
+
+ // The width/height of auto crop area must large than "minWidth/Height"
+ cropBoxData.width = Math.max(cropBoxData.minWidth, cropBoxData.width * autoCropArea);
+ cropBoxData.height = Math.max(cropBoxData.minHeight, cropBoxData.height * autoCropArea);
+ cropBoxData.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2;
+ cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2;
+ cropBoxData.oldLeft = cropBoxData.left;
+ cropBoxData.oldTop = cropBoxData.top;
+
+ this.initialCropBoxData = assign({}, cropBoxData);
+ },
+ limitCropBox: function limitCropBox(sizeLimited, positionLimited) {
+ var options = this.options,
+ containerData = this.containerData,
+ canvasData = this.canvasData,
+ cropBoxData = this.cropBoxData,
+ limited = this.limited;
+ var aspectRatio = options.aspectRatio;
- if (options.responsive) {
- removeListener(window, EVENT_RESIZE, this.onResize);
- }
- }
-};
-var handlers = {
- resize: function resize() {
- var options = this.options,
- container = this.container,
- containerData = this.containerData;
+ if (sizeLimited) {
+ var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
+ var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
+ var maxCropBoxWidth = Math.min(containerData.width, limited ? canvasData.width : containerData.width);
+ var maxCropBoxHeight = Math.min(containerData.height, limited ? canvasData.height : containerData.height);
- var minContainerWidth = Number(options.minContainerWidth) || 200;
- var minContainerHeight = Number(options.minContainerHeight) || 100;
+ // The min/maxCropBoxWidth/Height must be less than container's width/height
+ minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width);
+ minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height);
- if (this.disabled || containerData.width <= minContainerWidth || containerData.height <= minContainerHeight) {
- return;
- }
+ if (aspectRatio) {
+ if (minCropBoxWidth && minCropBoxHeight) {
+ if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
+ minCropBoxHeight = minCropBoxWidth / aspectRatio;
+ } else {
+ minCropBoxWidth = minCropBoxHeight * aspectRatio;
+ }
+ } else if (minCropBoxWidth) {
+ minCropBoxHeight = minCropBoxWidth / aspectRatio;
+ } else if (minCropBoxHeight) {
+ minCropBoxWidth = minCropBoxHeight * aspectRatio;
+ }
- var ratio = container.offsetWidth / containerData.width;
+ if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
+ maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
+ } else {
+ maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
+ }
+ }
- // Resize when width changed or height changed
- if (ratio !== 1 || container.offsetHeight !== containerData.height) {
- var canvasData = void 0;
- var cropBoxData = void 0;
+ // The minWidth/Height must be less than maxWidth/Height
+ cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
+ cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
+ cropBoxData.maxWidth = maxCropBoxWidth;
+ cropBoxData.maxHeight = maxCropBoxHeight;
+ }
- if (options.restore) {
- canvasData = this.getCanvasData();
- cropBoxData = this.getCropBoxData();
+ if (positionLimited) {
+ if (limited) {
+ cropBoxData.minLeft = Math.max(0, canvasData.left);
+ cropBoxData.minTop = Math.max(0, canvasData.top);
+ cropBoxData.maxLeft = Math.min(containerData.width, canvasData.left + canvasData.width) - cropBoxData.width;
+ cropBoxData.maxTop = Math.min(containerData.height, canvasData.top + canvasData.height) - cropBoxData.height;
+ } else {
+ cropBoxData.minLeft = 0;
+ cropBoxData.minTop = 0;
+ cropBoxData.maxLeft = containerData.width - cropBoxData.width;
+ cropBoxData.maxTop = containerData.height - cropBoxData.height;
+ }
}
+ },
+ renderCropBox: function renderCropBox() {
+ var options = this.options,
+ containerData = this.containerData,
+ cropBoxData = this.cropBoxData;
- this.render();
- if (options.restore) {
- this.setCanvasData(forEach(canvasData, function (n, i) {
- canvasData[i] = n * ratio;
- }));
- this.setCropBoxData(forEach(cropBoxData, function (n, i) {
- cropBoxData[i] = n * ratio;
- }));
+ if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) {
+ cropBoxData.left = cropBoxData.oldLeft;
}
- }
- },
- dblclick: function dblclick() {
- if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
- return;
- }
- this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
- },
- wheel: function wheel(e) {
- var _this = this;
+ if (cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) {
+ cropBoxData.top = cropBoxData.oldTop;
+ }
- var ratio = Number(this.options.wheelZoomRatio) || 0.1;
- var delta = 1;
+ cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
+ cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);
- if (this.disabled) {
- return;
- }
+ this.limitCropBox(false, true);
- e.preventDefault();
+ cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft);
+ cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop);
+ cropBoxData.oldLeft = cropBoxData.left;
+ cropBoxData.oldTop = cropBoxData.top;
- // Limit wheel speed to prevent zoom too fast (#21)
- if (this.wheeling) {
- return;
- }
+ if (options.movable && options.cropBoxMovable) {
+ // Turn to move the canvas when the crop box is equal to the container
+ setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL);
+ }
- this.wheeling = true;
+ setStyle(this.cropBox, assign({
+ width: cropBoxData.width,
+ height: cropBoxData.height
+ }, getTransforms({
+ translateX: cropBoxData.left,
+ translateY: cropBoxData.top
+ })));
- setTimeout(function () {
- _this.wheeling = false;
- }, 50);
+ if (this.cropped && this.limited) {
+ this.limitCanvas(true, true);
+ }
- if (e.deltaY) {
- delta = e.deltaY > 0 ? 1 : -1;
- } else if (e.wheelDelta) {
- delta = -e.wheelDelta / 120;
- } else if (e.detail) {
- delta = e.detail > 0 ? 1 : -1;
+ if (!this.disabled) {
+ this.output();
+ }
+ },
+ output: function output() {
+ this.preview();
+ dispatchEvent(this.element, EVENT_CROP, this.getData());
}
+ };
- this.zoom(-delta * ratio, e);
- },
- cropStart: function cropStart(e) {
- if (this.disabled) {
- return;
- }
+ var preview = {
+ initPreview: function initPreview() {
+ var crossOrigin = this.crossOrigin;
+ var preview = this.options.preview;
- var options = this.options,
- pointers = this.pointers;
+ var url = crossOrigin ? this.crossOriginUrl : this.url;
+ var image = document.createElement('img');
- var action = void 0;
+ if (crossOrigin) {
+ image.crossOrigin = crossOrigin;
+ }
- if (e.changedTouches) {
- // Handle touch event
- forEach(e.changedTouches, function (touch) {
- pointers[touch.identifier] = getPointer(touch);
- });
- } else {
- // Handle mouse event and pointer event
- pointers[e.pointerId || 0] = getPointer(e);
- }
+ image.src = url;
+ this.viewBox.appendChild(image);
+ this.viewBoxImage = image;
- if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
- action = ACTION_ZOOM;
- } else {
- action = getData(e.target, DATA_ACTION);
- }
+ if (!preview) {
+ return;
+ }
- if (!REGEXP_ACTIONS.test(action)) {
- return;
- }
+ var previews = preview;
- if (dispatchEvent(this.element, EVENT_CROP_START, {
- originalEvent: e,
- action: action
- }) === false) {
- return;
- }
+ if (typeof preview === 'string') {
+ previews = this.element.ownerDocument.querySelectorAll(preview);
+ } else if (preview.querySelector) {
+ previews = [preview];
+ }
- e.preventDefault();
+ this.previews = previews;
- this.action = action;
- this.cropping = false;
+ forEach(previews, function (el) {
+ var img = document.createElement('img');
- if (action === ACTION_CROP) {
- this.cropping = true;
- addClass(this.dragBox, CLASS_MODAL);
- }
- },
- cropMove: function cropMove(e) {
- var action = this.action;
+ // Save the original size for recover
+ setData(el, DATA_PREVIEW, {
+ width: el.offsetWidth,
+ height: el.offsetHeight,
+ html: el.innerHTML
+ });
+ if (crossOrigin) {
+ img.crossOrigin = crossOrigin;
+ }
- if (this.disabled || !action) {
- return;
- }
+ img.src = url;
- var pointers = this.pointers;
+ /**
+ * Override img element styles
+ * Add `display:block` to avoid margin top issue
+ * Add `height:auto` to override `height` attribute on IE8
+ * (Occur only when margin-top <= -height)
+ */
+ img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';
+ el.innerHTML = '';
+ el.appendChild(img);
+ });
+ },
+ resetPreview: function resetPreview() {
+ forEach(this.previews, function (element) {
+ var data = getData(element, DATA_PREVIEW);
+
+ setStyle(element, {
+ width: data.width,
+ height: data.height
+ });
- e.preventDefault();
+ element.innerHTML = data.html;
+ removeData(element, DATA_PREVIEW);
+ });
+ },
+ preview: function preview() {
+ var imageData = this.imageData,
+ canvasData = this.canvasData,
+ cropBoxData = this.cropBoxData;
+ var cropBoxWidth = cropBoxData.width,
+ cropBoxHeight = cropBoxData.height;
+ var width = imageData.width,
+ height = imageData.height;
+
+ var left = cropBoxData.left - canvasData.left - imageData.left;
+ var top = cropBoxData.top - canvasData.top - imageData.top;
+
+ if (!this.cropped || this.disabled) {
+ return;
+ }
- if (dispatchEvent(this.element, EVENT_CROP_MOVE, {
- originalEvent: e,
- action: action
- }) === false) {
- return;
- }
+ setStyle(this.viewBoxImage, assign({
+ width: width,
+ height: height
+ }, getTransforms(assign({
+ translateX: -left,
+ translateY: -top
+ }, imageData))));
+
+ forEach(this.previews, function (element) {
+ var data = getData(element, DATA_PREVIEW);
+ var originalWidth = data.width;
+ var originalHeight = data.height;
+ var newWidth = originalWidth;
+ var newHeight = originalHeight;
+ var ratio = 1;
+
+ if (cropBoxWidth) {
+ ratio = originalWidth / cropBoxWidth;
+ newHeight = cropBoxHeight * ratio;
+ }
+
+ if (cropBoxHeight && newHeight > originalHeight) {
+ ratio = originalHeight / cropBoxHeight;
+ newWidth = cropBoxWidth * ratio;
+ newHeight = originalHeight;
+ }
+
+ setStyle(element, {
+ width: newWidth,
+ height: newHeight
+ });
- if (e.changedTouches) {
- forEach(e.changedTouches, function (touch) {
- assign(pointers[touch.identifier], getPointer(touch, true));
+ setStyle(element.getElementsByTagName('img')[0], assign({
+ width: width * ratio,
+ height: height * ratio
+ }, getTransforms(assign({
+ translateX: -left * ratio,
+ translateY: -top * ratio
+ }, imageData))));
});
- } else {
- assign(pointers[e.pointerId || 0], getPointer(e, true));
}
+ };
- this.change(e);
- },
- cropEnd: function cropEnd(e) {
- if (this.disabled) {
- return;
- }
+ var events = {
+ bind: function bind() {
+ var element = this.element,
+ options = this.options,
+ cropper = this.cropper;
- var action = this.action,
- pointers = this.pointers;
+ if (isFunction(options.cropstart)) {
+ addListener(element, EVENT_CROP_START, options.cropstart);
+ }
- if (e.changedTouches) {
- forEach(e.changedTouches, function (touch) {
- delete pointers[touch.identifier];
- });
- } else {
- delete pointers[e.pointerId || 0];
- }
+ if (isFunction(options.cropmove)) {
+ addListener(element, EVENT_CROP_MOVE, options.cropmove);
+ }
- if (!action) {
- return;
- }
+ if (isFunction(options.cropend)) {
+ addListener(element, EVENT_CROP_END, options.cropend);
+ }
- e.preventDefault();
+ if (isFunction(options.crop)) {
+ addListener(element, EVENT_CROP, options.crop);
+ }
- if (!Object.keys(pointers).length) {
- this.action = '';
- }
+ if (isFunction(options.zoom)) {
+ addListener(element, EVENT_ZOOM, options.zoom);
+ }
- if (this.cropping) {
- this.cropping = false;
- toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal);
- }
+ addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = this.cropStart.bind(this));
- dispatchEvent(this.element, EVENT_CROP_END, {
- originalEvent: e,
- action: action
- });
- }
-};
-
-var change = {
- change: function change(e) {
- var options = this.options,
- canvasData = this.canvasData,
- containerData = this.containerData,
- cropBoxData = this.cropBoxData,
- pointers = this.pointers;
- var action = this.action;
- var aspectRatio = options.aspectRatio;
- var left = cropBoxData.left,
- top = cropBoxData.top,
- width = cropBoxData.width,
- height = cropBoxData.height;
-
- var right = left + width;
- var bottom = top + height;
- var minLeft = 0;
- var minTop = 0;
- var maxWidth = containerData.width;
- var maxHeight = containerData.height;
- var renderable = true;
- var offset = void 0;
-
- // Locking aspect ratio in "free mode" by holding shift key
- if (!aspectRatio && e.shiftKey) {
- aspectRatio = width && height ? width / height : 1;
- }
+ if (options.zoomable && options.zoomOnWheel) {
+ addListener(cropper, EVENT_WHEEL, this.onWheel = this.wheel.bind(this));
+ }
- if (this.limited) {
- minLeft = cropBoxData.minLeft;
- minTop = cropBoxData.minTop;
+ if (options.toggleDragModeOnDblclick) {
+ addListener(cropper, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this));
+ }
- maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width);
- maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height);
- }
+ addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = this.cropMove.bind(this));
+ addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = this.cropEnd.bind(this));
- var pointer = pointers[Object.keys(pointers)[0]];
- var range = {
- x: pointer.endX - pointer.startX,
- y: pointer.endY - pointer.startY
- };
- var check = function check(side) {
- switch (side) {
- case ACTION_EAST:
- if (right + range.x > maxWidth) {
- range.x = maxWidth - right;
- }
+ if (options.responsive) {
+ addListener(window, EVENT_RESIZE, this.onResize = this.resize.bind(this));
+ }
+ },
+ unbind: function unbind() {
+ var element = this.element,
+ options = this.options,
+ cropper = this.cropper;
- break;
- case ACTION_WEST:
- if (left + range.x < minLeft) {
- range.x = minLeft - left;
- }
+ if (isFunction(options.cropstart)) {
+ removeListener(element, EVENT_CROP_START, options.cropstart);
+ }
- break;
+ if (isFunction(options.cropmove)) {
+ removeListener(element, EVENT_CROP_MOVE, options.cropmove);
+ }
- case ACTION_NORTH:
- if (top + range.y < minTop) {
- range.y = minTop - top;
- }
+ if (isFunction(options.cropend)) {
+ removeListener(element, EVENT_CROP_END, options.cropend);
+ }
- break;
+ if (isFunction(options.crop)) {
+ removeListener(element, EVENT_CROP, options.crop);
+ }
- case ACTION_SOUTH:
- if (bottom + range.y > maxHeight) {
- range.y = maxHeight - bottom;
- }
+ if (isFunction(options.zoom)) {
+ removeListener(element, EVENT_ZOOM, options.zoom);
+ }
- break;
+ removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart);
- default:
+ if (options.zoomable && options.zoomOnWheel) {
+ removeListener(cropper, EVENT_WHEEL, this.onWheel);
}
- };
- switch (action) {
- // Move crop box
- case ACTION_ALL:
- left += range.x;
- top += range.y;
- break;
+ if (options.toggleDragModeOnDblclick) {
+ removeListener(cropper, EVENT_DBLCLICK, this.onDblclick);
+ }
- // Resize crop box
- case ACTION_EAST:
- if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
- renderable = false;
- break;
- }
+ removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove);
+ removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd);
- check(ACTION_EAST);
- width += range.x;
+ if (options.responsive) {
+ removeListener(window, EVENT_RESIZE, this.onResize);
+ }
+ }
+ };
- if (aspectRatio) {
- height = width / aspectRatio;
- top -= range.x / aspectRatio / 2;
- }
+ var handlers = {
+ resize: function resize() {
+ var options = this.options,
+ container = this.container,
+ containerData = this.containerData;
- if (width < 0) {
- action = ACTION_WEST;
- width = 0;
- }
+ var minContainerWidth = Number(options.minContainerWidth) || 200;
+ var minContainerHeight = Number(options.minContainerHeight) || 100;
- break;
+ if (this.disabled || containerData.width <= minContainerWidth || containerData.height <= minContainerHeight) {
+ return;
+ }
- case ACTION_NORTH:
- if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) {
- renderable = false;
- break;
- }
+ var ratio = container.offsetWidth / containerData.width;
- check(ACTION_NORTH);
- height -= range.y;
- top += range.y;
+ // Resize when width changed or height changed
+ if (ratio !== 1 || container.offsetHeight !== containerData.height) {
+ var canvasData = void 0;
+ var cropBoxData = void 0;
- if (aspectRatio) {
- width = height * aspectRatio;
- left += range.y * aspectRatio / 2;
+ if (options.restore) {
+ canvasData = this.getCanvasData();
+ cropBoxData = this.getCropBoxData();
}
- if (height < 0) {
- action = ACTION_SOUTH;
- height = 0;
+ this.render();
+
+ if (options.restore) {
+ this.setCanvasData(forEach(canvasData, function (n, i) {
+ canvasData[i] = n * ratio;
+ }));
+ this.setCropBoxData(forEach(cropBoxData, function (n, i) {
+ cropBoxData[i] = n * ratio;
+ }));
}
+ }
+ },
+ dblclick: function dblclick() {
+ if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
+ return;
+ }
- break;
+ this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
+ },
+ wheel: function wheel(e) {
+ var _this = this;
- case ACTION_WEST:
- if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
- renderable = false;
- break;
- }
+ var ratio = Number(this.options.wheelZoomRatio) || 0.1;
+ var delta = 1;
- check(ACTION_WEST);
- width -= range.x;
- left += range.x;
+ if (this.disabled) {
+ return;
+ }
- if (aspectRatio) {
- height = width / aspectRatio;
- top += range.x / aspectRatio / 2;
- }
+ e.preventDefault();
- if (width < 0) {
- action = ACTION_EAST;
- width = 0;
- }
+ // Limit wheel speed to prevent zoom too fast (#21)
+ if (this.wheeling) {
+ return;
+ }
- break;
+ this.wheeling = true;
- case ACTION_SOUTH:
- if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {
- renderable = false;
- break;
- }
+ setTimeout(function () {
+ _this.wheeling = false;
+ }, 50);
- check(ACTION_SOUTH);
- height += range.y;
+ if (e.deltaY) {
+ delta = e.deltaY > 0 ? 1 : -1;
+ } else if (e.wheelDelta) {
+ delta = -e.wheelDelta / 120;
+ } else if (e.detail) {
+ delta = e.detail > 0 ? 1 : -1;
+ }
- if (aspectRatio) {
- width = height * aspectRatio;
- left -= range.y * aspectRatio / 2;
- }
+ this.zoom(-delta * ratio, e);
+ },
+ cropStart: function cropStart(e) {
+ if (this.disabled) {
+ return;
+ }
+
+ var options = this.options,
+ pointers = this.pointers;
+
+ var action = void 0;
+
+ if (e.changedTouches) {
+ // Handle touch event
+ forEach(e.changedTouches, function (touch) {
+ pointers[touch.identifier] = getPointer(touch);
+ });
+ } else {
+ // Handle mouse event and pointer event
+ pointers[e.pointerId || 0] = getPointer(e);
+ }
+
+ if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
+ action = ACTION_ZOOM;
+ } else {
+ action = getData(e.target, DATA_ACTION);
+ }
+
+ if (!REGEXP_ACTIONS.test(action)) {
+ return;
+ }
+
+ if (dispatchEvent(this.element, EVENT_CROP_START, {
+ originalEvent: e,
+ action: action
+ }) === false) {
+ return;
+ }
+
+ e.preventDefault();
+
+ this.action = action;
+ this.cropping = false;
+
+ if (action === ACTION_CROP) {
+ this.cropping = true;
+ addClass(this.dragBox, CLASS_MODAL);
+ }
+ },
+ cropMove: function cropMove(e) {
+ var action = this.action;
+
+
+ if (this.disabled || !action) {
+ return;
+ }
+
+ var pointers = this.pointers;
+
+
+ e.preventDefault();
+
+ if (dispatchEvent(this.element, EVENT_CROP_MOVE, {
+ originalEvent: e,
+ action: action
+ }) === false) {
+ return;
+ }
+
+ if (e.changedTouches) {
+ forEach(e.changedTouches, function (touch) {
+ assign(pointers[touch.identifier], getPointer(touch, true));
+ });
+ } else {
+ assign(pointers[e.pointerId || 0], getPointer(e, true));
+ }
+
+ this.change(e);
+ },
+ cropEnd: function cropEnd(e) {
+ if (this.disabled) {
+ return;
+ }
+
+ var action = this.action,
+ pointers = this.pointers;
- if (height < 0) {
- action = ACTION_NORTH;
- height = 0;
+
+ if (e.changedTouches) {
+ forEach(e.changedTouches, function (touch) {
+ delete pointers[touch.identifier];
+ });
+ } else {
+ delete pointers[e.pointerId || 0];
+ }
+
+ if (!action) {
+ return;
+ }
+
+ e.preventDefault();
+
+ if (!Object.keys(pointers).length) {
+ this.action = '';
+ }
+
+ if (this.cropping) {
+ this.cropping = false;
+ toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal);
+ }
+
+ dispatchEvent(this.element, EVENT_CROP_END, {
+ originalEvent: e,
+ action: action
+ });
+ }
+ };
+
+ var change = {
+ change: function change(e) {
+ var options = this.options,
+ canvasData = this.canvasData,
+ containerData = this.containerData,
+ cropBoxData = this.cropBoxData,
+ pointers = this.pointers;
+ var action = this.action;
+ var aspectRatio = options.aspectRatio;
+ var left = cropBoxData.left,
+ top = cropBoxData.top,
+ width = cropBoxData.width,
+ height = cropBoxData.height;
+
+ var right = left + width;
+ var bottom = top + height;
+ var minLeft = 0;
+ var minTop = 0;
+ var maxWidth = containerData.width;
+ var maxHeight = containerData.height;
+ var renderable = true;
+ var offset = void 0;
+
+ // Locking aspect ratio in "free mode" by holding shift key
+ if (!aspectRatio && e.shiftKey) {
+ aspectRatio = width && height ? width / height : 1;
+ }
+
+ if (this.limited) {
+ minLeft = cropBoxData.minLeft;
+ minTop = cropBoxData.minTop;
+
+ maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width);
+ maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height);
+ }
+
+ var pointer = pointers[Object.keys(pointers)[0]];
+ var range = {
+ x: pointer.endX - pointer.startX,
+ y: pointer.endY - pointer.startY
+ };
+ var check = function check(side) {
+ switch (side) {
+ case ACTION_EAST:
+ if (right + range.x > maxWidth) {
+ range.x = maxWidth - right;
+ }
+
+ break;
+
+ case ACTION_WEST:
+ if (left + range.x < minLeft) {
+ range.x = minLeft - left;
+ }
+
+ break;
+
+ case ACTION_NORTH:
+ if (top + range.y < minTop) {
+ range.y = minTop - top;
+ }
+
+ break;
+
+ case ACTION_SOUTH:
+ if (bottom + range.y > maxHeight) {
+ range.y = maxHeight - bottom;
+ }
+
+ break;
+
+ default:
}
+ };
- break;
+ switch (action) {
+ // Move crop box
+ case ACTION_ALL:
+ left += range.x;
+ top += range.y;
+ break;
- case ACTION_NORTH_EAST:
- if (aspectRatio) {
- if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
+ // Resize crop box
+ case ACTION_EAST:
+ if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
renderable = false;
break;
}
- check(ACTION_NORTH);
- height -= range.y;
- top += range.y;
- width = height * aspectRatio;
- } else {
- check(ACTION_NORTH);
check(ACTION_EAST);
+ width += range.x;
- if (range.x >= 0) {
- if (right < maxWidth) {
- width += range.x;
- } else if (range.y <= 0 && top <= minTop) {
- renderable = false;
- }
- } else {
- width += range.x;
+ if (aspectRatio) {
+ height = width / aspectRatio;
+ top -= range.x / aspectRatio / 2;
}
- if (range.y <= 0) {
- if (top > minTop) {
- height -= range.y;
- top += range.y;
- }
- } else {
- height -= range.y;
- top += range.y;
+ if (width < 0) {
+ action = ACTION_WEST;
+ width = 0;
}
- }
- if (width < 0 && height < 0) {
- action = ACTION_SOUTH_WEST;
- height = 0;
- width = 0;
- } else if (width < 0) {
- action = ACTION_NORTH_WEST;
- width = 0;
- } else if (height < 0) {
- action = ACTION_SOUTH_EAST;
- height = 0;
- }
-
- break;
+ break;
- case ACTION_NORTH_WEST:
- if (aspectRatio) {
- if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
+ case ACTION_NORTH:
+ if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) {
renderable = false;
break;
}
@@ -2147,52 +2108,21 @@ var change = {
check(ACTION_NORTH);
height -= range.y;
top += range.y;
- width = height * aspectRatio;
- left += range.y * aspectRatio;
- } else {
- check(ACTION_NORTH);
- check(ACTION_WEST);
- if (range.x <= 0) {
- if (left > minLeft) {
- width -= range.x;
- left += range.x;
- } else if (range.y <= 0 && top <= minTop) {
- renderable = false;
- }
- } else {
- width -= range.x;
- left += range.x;
+ if (aspectRatio) {
+ width = height * aspectRatio;
+ left += range.y * aspectRatio / 2;
}
- if (range.y <= 0) {
- if (top > minTop) {
- height -= range.y;
- top += range.y;
- }
- } else {
- height -= range.y;
- top += range.y;
+ if (height < 0) {
+ action = ACTION_SOUTH;
+ height = 0;
}
- }
- if (width < 0 && height < 0) {
- action = ACTION_SOUTH_EAST;
- height = 0;
- width = 0;
- } else if (width < 0) {
- action = ACTION_NORTH_EAST;
- width = 0;
- } else if (height < 0) {
- action = ACTION_SOUTH_WEST;
- height = 0;
- }
-
- break;
+ break;
- case ACTION_SOUTH_WEST:
- if (aspectRatio) {
- if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
+ case ACTION_WEST:
+ if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
renderable = false;
break;
}
@@ -2200,1484 +2130,1632 @@ var change = {
check(ACTION_WEST);
width -= range.x;
left += range.x;
- height = width / aspectRatio;
- } else {
+
+ if (aspectRatio) {
+ height = width / aspectRatio;
+ top += range.x / aspectRatio / 2;
+ }
+
+ if (width < 0) {
+ action = ACTION_EAST;
+ width = 0;
+ }
+
+ break;
+
+ case ACTION_SOUTH:
+ if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {
+ renderable = false;
+ break;
+ }
+
check(ACTION_SOUTH);
- check(ACTION_WEST);
+ height += range.y;
- if (range.x <= 0) {
- if (left > minLeft) {
- width -= range.x;
- left += range.x;
- } else if (range.y >= 0 && bottom >= maxHeight) {
+ if (aspectRatio) {
+ width = height * aspectRatio;
+ left -= range.y * aspectRatio / 2;
+ }
+
+ if (height < 0) {
+ action = ACTION_NORTH;
+ height = 0;
+ }
+
+ break;
+
+ case ACTION_NORTH_EAST:
+ if (aspectRatio) {
+ if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
renderable = false;
+ break;
}
+
+ check(ACTION_NORTH);
+ height -= range.y;
+ top += range.y;
+ width = height * aspectRatio;
} else {
- width -= range.x;
- left += range.x;
+ check(ACTION_NORTH);
+ check(ACTION_EAST);
+
+ if (range.x >= 0) {
+ if (right < maxWidth) {
+ width += range.x;
+ } else if (range.y <= 0 && top <= minTop) {
+ renderable = false;
+ }
+ } else {
+ width += range.x;
+ }
+
+ if (range.y <= 0) {
+ if (top > minTop) {
+ height -= range.y;
+ top += range.y;
+ }
+ } else {
+ height -= range.y;
+ top += range.y;
+ }
}
- if (range.y >= 0) {
- if (bottom < maxHeight) {
- height += range.y;
+ if (width < 0 && height < 0) {
+ action = ACTION_SOUTH_WEST;
+ height = 0;
+ width = 0;
+ } else if (width < 0) {
+ action = ACTION_NORTH_WEST;
+ width = 0;
+ } else if (height < 0) {
+ action = ACTION_SOUTH_EAST;
+ height = 0;
+ }
+
+ break;
+
+ case ACTION_NORTH_WEST:
+ if (aspectRatio) {
+ if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
+ renderable = false;
+ break;
}
+
+ check(ACTION_NORTH);
+ height -= range.y;
+ top += range.y;
+ width = height * aspectRatio;
+ left += range.y * aspectRatio;
} else {
- height += range.y;
+ check(ACTION_NORTH);
+ check(ACTION_WEST);
+
+ if (range.x <= 0) {
+ if (left > minLeft) {
+ width -= range.x;
+ left += range.x;
+ } else if (range.y <= 0 && top <= minTop) {
+ renderable = false;
+ }
+ } else {
+ width -= range.x;
+ left += range.x;
+ }
+
+ if (range.y <= 0) {
+ if (top > minTop) {
+ height -= range.y;
+ top += range.y;
+ }
+ } else {
+ height -= range.y;
+ top += range.y;
+ }
}
- }
- if (width < 0 && height < 0) {
- action = ACTION_NORTH_EAST;
- height = 0;
- width = 0;
- } else if (width < 0) {
- action = ACTION_SOUTH_EAST;
- width = 0;
- } else if (height < 0) {
- action = ACTION_NORTH_WEST;
- height = 0;
- }
+ if (width < 0 && height < 0) {
+ action = ACTION_SOUTH_EAST;
+ height = 0;
+ width = 0;
+ } else if (width < 0) {
+ action = ACTION_NORTH_EAST;
+ width = 0;
+ } else if (height < 0) {
+ action = ACTION_SOUTH_WEST;
+ height = 0;
+ }
- break;
+ break;
- case ACTION_SOUTH_EAST:
- if (aspectRatio) {
- if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
- renderable = false;
- break;
+ case ACTION_SOUTH_WEST:
+ if (aspectRatio) {
+ if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
+ renderable = false;
+ break;
+ }
+
+ check(ACTION_WEST);
+ width -= range.x;
+ left += range.x;
+ height = width / aspectRatio;
+ } else {
+ check(ACTION_SOUTH);
+ check(ACTION_WEST);
+
+ if (range.x <= 0) {
+ if (left > minLeft) {
+ width -= range.x;
+ left += range.x;
+ } else if (range.y >= 0 && bottom >= maxHeight) {
+ renderable = false;
+ }
+ } else {
+ width -= range.x;
+ left += range.x;
+ }
+
+ if (range.y >= 0) {
+ if (bottom < maxHeight) {
+ height += range.y;
+ }
+ } else {
+ height += range.y;
+ }
}
- check(ACTION_EAST);
- width += range.x;
- height = width / aspectRatio;
- } else {
- check(ACTION_SOUTH);
- check(ACTION_EAST);
+ if (width < 0 && height < 0) {
+ action = ACTION_NORTH_EAST;
+ height = 0;
+ width = 0;
+ } else if (width < 0) {
+ action = ACTION_SOUTH_EAST;
+ width = 0;
+ } else if (height < 0) {
+ action = ACTION_NORTH_WEST;
+ height = 0;
+ }
- if (range.x >= 0) {
- if (right < maxWidth) {
- width += range.x;
- } else if (range.y >= 0 && bottom >= maxHeight) {
+ break;
+
+ case ACTION_SOUTH_EAST:
+ if (aspectRatio) {
+ if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
renderable = false;
+ break;
}
- } else {
+
+ check(ACTION_EAST);
width += range.x;
- }
+ height = width / aspectRatio;
+ } else {
+ check(ACTION_SOUTH);
+ check(ACTION_EAST);
+
+ if (range.x >= 0) {
+ if (right < maxWidth) {
+ width += range.x;
+ } else if (range.y >= 0 && bottom >= maxHeight) {
+ renderable = false;
+ }
+ } else {
+ width += range.x;
+ }
- if (range.y >= 0) {
- if (bottom < maxHeight) {
+ if (range.y >= 0) {
+ if (bottom < maxHeight) {
+ height += range.y;
+ }
+ } else {
height += range.y;
}
- } else {
- height += range.y;
}
- }
- if (width < 0 && height < 0) {
- action = ACTION_NORTH_WEST;
- height = 0;
- width = 0;
- } else if (width < 0) {
- action = ACTION_SOUTH_WEST;
- width = 0;
- } else if (height < 0) {
- action = ACTION_NORTH_EAST;
- height = 0;
- }
-
- break;
+ if (width < 0 && height < 0) {
+ action = ACTION_NORTH_WEST;
+ height = 0;
+ width = 0;
+ } else if (width < 0) {
+ action = ACTION_SOUTH_WEST;
+ width = 0;
+ } else if (height < 0) {
+ action = ACTION_NORTH_EAST;
+ height = 0;
+ }
- // Move canvas
- case ACTION_MOVE:
- this.move(range.x, range.y);
- renderable = false;
- break;
+ break;
- // Zoom canvas
- case ACTION_ZOOM:
- this.zoom(getMaxZoomRatio(pointers), e);
- renderable = false;
- break;
+ // Move canvas
+ case ACTION_MOVE:
+ this.move(range.x, range.y);
+ renderable = false;
+ break;
- // Create crop box
- case ACTION_CROP:
- if (!range.x || !range.y) {
+ // Zoom canvas
+ case ACTION_ZOOM:
+ this.zoom(getMaxZoomRatio(pointers), e);
renderable = false;
break;
- }
- offset = getOffset(this.cropper);
- left = pointer.startX - offset.left;
- top = pointer.startY - offset.top;
- width = cropBoxData.minWidth;
- height = cropBoxData.minHeight;
+ // Create crop box
+ case ACTION_CROP:
+ if (!range.x || !range.y) {
+ renderable = false;
+ break;
+ }
+
+ offset = getOffset(this.cropper);
+ left = pointer.startX - offset.left;
+ top = pointer.startY - offset.top;
+ width = cropBoxData.minWidth;
+ height = cropBoxData.minHeight;
+
+ if (range.x > 0) {
+ action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
+ } else if (range.x < 0) {
+ left -= width;
+ action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
+ }
+
+ if (range.y < 0) {
+ top -= height;
+ }
+
+ // Show the crop box if is hidden
+ if (!this.cropped) {
+ removeClass(this.cropBox, CLASS_HIDDEN);
+ this.cropped = true;
+
+ if (this.limited) {
+ this.limitCropBox(true, true);
+ }
+ }
+
+ break;
+
+ default:
+ }
- if (range.x > 0) {
- action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
- } else if (range.x < 0) {
- left -= width;
- action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
- }
+ if (renderable) {
+ cropBoxData.width = width;
+ cropBoxData.height = height;
+ cropBoxData.left = left;
+ cropBoxData.top = top;
+ this.action = action;
+ this.renderCropBox();
+ }
- if (range.y < 0) {
- top -= height;
- }
+ // Override
+ forEach(pointers, function (p) {
+ p.startX = p.endX;
+ p.startY = p.endY;
+ });
+ }
+ };
- // Show the crop box if is hidden
- if (!this.cropped) {
- removeClass(this.cropBox, CLASS_HIDDEN);
- this.cropped = true;
+ var methods = {
+ // Show the crop box manually
+ crop: function crop() {
+ if (this.ready && !this.cropped && !this.disabled) {
+ this.cropped = true;
+ this.limitCropBox(true, true);
- if (this.limited) {
- this.limitCropBox(true, true);
- }
+ if (this.options.modal) {
+ addClass(this.dragBox, CLASS_MODAL);
}
- break;
-
- default:
- }
+ removeClass(this.cropBox, CLASS_HIDDEN);
+ this.setCropBoxData(this.initialCropBoxData);
+ }
- if (renderable) {
- cropBoxData.width = width;
- cropBoxData.height = height;
- cropBoxData.left = left;
- cropBoxData.top = top;
- this.action = action;
- this.renderCropBox();
- }
+ return this;
+ },
- // Override
- forEach(pointers, function (p) {
- p.startX = p.endX;
- p.startY = p.endY;
- });
- }
-};
-var methods = {
- // Show the crop box manually
- crop: function crop() {
- if (this.ready && !this.cropped && !this.disabled) {
- this.cropped = true;
- this.limitCropBox(true, true);
+ // Reset the image and crop box to their initial states
+ reset: function reset() {
+ if (this.ready && !this.disabled) {
+ this.imageData = assign({}, this.initialImageData);
+ this.canvasData = assign({}, this.initialCanvasData);
+ this.cropBoxData = assign({}, this.initialCropBoxData);
+ this.renderCanvas();
- if (this.options.modal) {
- addClass(this.dragBox, CLASS_MODAL);
+ if (this.cropped) {
+ this.renderCropBox();
+ }
}
- removeClass(this.cropBox, CLASS_HIDDEN);
- this.setCropBoxData(this.initialCropBoxData);
- }
-
- return this;
- },
+ return this;
+ },
- // Reset the image and crop box to their initial states
- reset: function reset() {
- if (this.ready && !this.disabled) {
- this.imageData = assign({}, this.initialImageData);
- this.canvasData = assign({}, this.initialCanvasData);
- this.cropBoxData = assign({}, this.initialCropBoxData);
- this.renderCanvas();
+ // Clear the crop box
+ clear: function clear() {
+ if (this.cropped && !this.disabled) {
+ assign(this.cropBoxData, {
+ left: 0,
+ top: 0,
+ width: 0,
+ height: 0
+ });
- if (this.cropped) {
+ this.cropped = false;
this.renderCropBox();
- }
- }
+ this.limitCanvas(true, true);
- return this;
- },
+ // Render canvas after crop box rendered
+ this.renderCanvas();
+ removeClass(this.dragBox, CLASS_MODAL);
+ addClass(this.cropBox, CLASS_HIDDEN);
+ }
+ return this;
+ },
- // Clear the crop box
- clear: function clear() {
- if (this.cropped && !this.disabled) {
- assign(this.cropBoxData, {
- left: 0,
- top: 0,
- width: 0,
- height: 0
- });
- this.cropped = false;
- this.renderCropBox();
- this.limitCanvas(true, true);
+ /**
+ * Replace the image's src and rebuild the cropper
+ * @param {string} url - The new URL.
+ * @param {boolean} [hasSameSize] - Indicate if the new image has the same size as the old one.
+ * @returns {Cropper} this
+ */
+ replace: function replace(url) {
+ var hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
- // Render canvas after crop box rendered
- this.renderCanvas();
- removeClass(this.dragBox, CLASS_MODAL);
- addClass(this.cropBox, CLASS_HIDDEN);
- }
+ if (!this.disabled && url) {
+ if (this.isImg) {
+ this.element.src = url;
+ }
- return this;
- },
+ if (hasSameSize) {
+ this.url = url;
+ this.image.src = url;
+ if (this.ready) {
+ this.viewBoxImage.src = url;
- /**
- * Replace the image's src and rebuild the cropper
- * @param {string} url - The new URL.
- * @param {boolean} [hasSameSize] - Indicate if the new image has the same size as the old one.
- * @returns {Cropper} this
- */
- replace: function replace(url) {
- var hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+ forEach(this.previews, function (element) {
+ element.getElementsByTagName('img')[0].src = url;
+ });
+ }
+ } else {
+ if (this.isImg) {
+ this.replaced = true;
+ }
- if (!this.disabled && url) {
- if (this.isImg) {
- this.element.src = url;
+ this.options.data = null;
+ this.uncreate();
+ this.load(url);
+ }
}
- if (hasSameSize) {
- this.url = url;
- this.image.src = url;
-
- if (this.ready) {
- this.viewBoxImage.src = url;
+ return this;
+ },
- forEach(this.previews, function (element) {
- element.getElementsByTagName('img')[0].src = url;
- });
- }
- } else {
- if (this.isImg) {
- this.replaced = true;
- }
- this.options.data = null;
- this.uncreate();
- this.load(url);
+ // Enable (unfreeze) the cropper
+ enable: function enable() {
+ if (this.ready && this.disabled) {
+ this.disabled = false;
+ removeClass(this.cropper, CLASS_DISABLED);
}
- }
- return this;
- },
+ return this;
+ },
- // Enable (unfreeze) the cropper
- enable: function enable() {
- if (this.ready && this.disabled) {
- this.disabled = false;
- removeClass(this.cropper, CLASS_DISABLED);
- }
+ // Disable (freeze) the cropper
+ disable: function disable() {
+ if (this.ready && !this.disabled) {
+ this.disabled = true;
+ addClass(this.cropper, CLASS_DISABLED);
+ }
- return this;
- },
+ return this;
+ },
- // Disable (freeze) the cropper
- disable: function disable() {
- if (this.ready && !this.disabled) {
- this.disabled = true;
- addClass(this.cropper, CLASS_DISABLED);
- }
+ /**
+ * Destroy the cropper and remove the instance from the image
+ * @returns {Cropper} this
+ */
+ destroy: function destroy() {
+ var element = this.element;
- return this;
- },
+ if (!getData(element, NAMESPACE)) {
+ return this;
+ }
- /**
- * Destroy the cropper and remove the instance from the image
- * @returns {Cropper} this
- */
- destroy: function destroy() {
- var element = this.element;
+ if (this.isImg && this.replaced) {
+ element.src = this.originalUrl;
+ }
+ this.uncreate();
+ removeData(element, NAMESPACE);
- if (!getData(element, NAMESPACE)) {
return this;
- }
-
- if (this.isImg && this.replaced) {
- element.src = this.originalUrl;
- }
+ },
- this.uncreate();
- removeData(element, NAMESPACE);
- return this;
- },
+ /**
+ * Move the canvas with relative offsets
+ * @param {number} offsetX - The relative offset distance on the x-axis.
+ * @param {number} [offsetY=offsetX] - The relative offset distance on the y-axis.
+ * @returns {Cropper} this
+ */
+ move: function move(offsetX) {
+ var offsetY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : offsetX;
+ var _canvasData = this.canvasData,
+ left = _canvasData.left,
+ top = _canvasData.top;
- /**
- * Move the canvas with relative offsets
- * @param {number} offsetX - The relative offset distance on the x-axis.
- * @param {number} [offsetY=offsetX] - The relative offset distance on the y-axis.
- * @returns {Cropper} this
- */
- move: function move(offsetX) {
- var offsetY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : offsetX;
- var _canvasData = this.canvasData,
- left = _canvasData.left,
- top = _canvasData.top;
+ return this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY));
+ },
- return this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY));
- },
+ /**
+ * Move the canvas to an absolute point
+ * @param {number} x - The x-axis coordinate.
+ * @param {number} [y=x] - The y-axis coordinate.
+ * @returns {Cropper} this
+ */
+ moveTo: function moveTo(x) {
+ var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x;
+ var canvasData = this.canvasData;
+ var changed = false;
- /**
- * Move the canvas to an absolute point
- * @param {number} x - The x-axis coordinate.
- * @param {number} [y=x] - The y-axis coordinate.
- * @returns {Cropper} this
- */
- moveTo: function moveTo(x) {
- var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x;
- var canvasData = this.canvasData;
+ x = Number(x);
+ y = Number(y);
- var changed = false;
+ if (this.ready && !this.disabled && this.options.movable) {
+ if (isNumber(x)) {
+ canvasData.left = x;
+ changed = true;
+ }
- x = Number(x);
- y = Number(y);
+ if (isNumber(y)) {
+ canvasData.top = y;
+ changed = true;
+ }
- if (this.ready && !this.disabled && this.options.movable) {
- if (isNumber(x)) {
- canvasData.left = x;
- changed = true;
+ if (changed) {
+ this.renderCanvas(true);
+ }
}
- if (isNumber(y)) {
- canvasData.top = y;
- changed = true;
- }
+ return this;
+ },
- if (changed) {
- this.renderCanvas(true);
- }
- }
- return this;
- },
+ /**
+ * Zoom the canvas with a relative ratio
+ * @param {number} ratio - The target ratio.
+ * @param {Event} _originalEvent - The original event if any.
+ * @returns {Cropper} this
+ */
+ zoom: function zoom(ratio, _originalEvent) {
+ var canvasData = this.canvasData;
- /**
- * Zoom the canvas with a relative ratio
- * @param {number} ratio - The target ratio.
- * @param {Event} _originalEvent - The original event if any.
- * @returns {Cropper} this
- */
- zoom: function zoom(ratio, _originalEvent) {
- var canvasData = this.canvasData;
+ ratio = Number(ratio);
+ if (ratio < 0) {
+ ratio = 1 / (1 - ratio);
+ } else {
+ ratio = 1 + ratio;
+ }
- ratio = Number(ratio);
+ return this.zoomTo(canvasData.width * ratio / canvasData.naturalWidth, null, _originalEvent);
+ },
- if (ratio < 0) {
- ratio = 1 / (1 - ratio);
- } else {
- ratio = 1 + ratio;
- }
- return this.zoomTo(canvasData.width * ratio / canvasData.naturalWidth, null, _originalEvent);
- },
+ /**
+ * Zoom the canvas to an absolute ratio
+ * @param {number} ratio - The target ratio.
+ * @param {Object} pivot - The zoom pivot point coordinate.
+ * @param {Event} _originalEvent - The original event if any.
+ * @returns {Cropper} this
+ */
+ zoomTo: function zoomTo(ratio, pivot, _originalEvent) {
+ var options = this.options,
+ canvasData = this.canvasData;
+ var width = canvasData.width,
+ height = canvasData.height,
+ naturalWidth = canvasData.naturalWidth,
+ naturalHeight = canvasData.naturalHeight;
- /**
- * Zoom the canvas to an absolute ratio
- * @param {number} ratio - The target ratio.
- * @param {Object} pivot - The zoom pivot point coordinate.
- * @param {Event} _originalEvent - The original event if any.
- * @returns {Cropper} this
- */
- zoomTo: function zoomTo(ratio, pivot, _originalEvent) {
- var options = this.options,
- canvasData = this.canvasData;
- var width = canvasData.width,
- height = canvasData.height,
- naturalWidth = canvasData.naturalWidth,
- naturalHeight = canvasData.naturalHeight;
+ ratio = Number(ratio);
+ if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
+ var newWidth = naturalWidth * ratio;
+ var newHeight = naturalHeight * ratio;
- ratio = Number(ratio);
+ if (dispatchEvent(this.element, EVENT_ZOOM, {
+ originalEvent: _originalEvent,
+ oldRatio: width / naturalWidth,
+ ratio: newWidth / naturalWidth
+ }) === false) {
+ return this;
+ }
- if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
- var newWidth = naturalWidth * ratio;
- var newHeight = naturalHeight * ratio;
+ if (_originalEvent) {
+ var pointers = this.pointers;
+
+ var offset = getOffset(this.cropper);
+ var center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : {
+ pageX: _originalEvent.pageX,
+ pageY: _originalEvent.pageY
+ };
+
+ // Zoom from the triggering point of the event
+ canvasData.left -= (newWidth - width) * ((center.pageX - offset.left - canvasData.left) / width);
+ canvasData.top -= (newHeight - height) * ((center.pageY - offset.top - canvasData.top) / height);
+ } else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) {
+ canvasData.left -= (newWidth - width) * ((pivot.x - canvasData.left) / width);
+ canvasData.top -= (newHeight - height) * ((pivot.y - canvasData.top) / height);
+ } else {
+ // Zoom from the center of the canvas
+ canvasData.left -= (newWidth - width) / 2;
+ canvasData.top -= (newHeight - height) / 2;
+ }
- if (dispatchEvent(this.element, EVENT_ZOOM, {
- originalEvent: _originalEvent,
- oldRatio: width / naturalWidth,
- ratio: newWidth / naturalWidth
- }) === false) {
- return this;
+ canvasData.width = newWidth;
+ canvasData.height = newHeight;
+ this.renderCanvas(true);
}
- if (_originalEvent) {
- var pointers = this.pointers;
+ return this;
+ },
- var offset = getOffset(this.cropper);
- var center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : {
- pageX: _originalEvent.pageX,
- pageY: _originalEvent.pageY
- };
- // Zoom from the triggering point of the event
- canvasData.left -= (newWidth - width) * ((center.pageX - offset.left - canvasData.left) / width);
- canvasData.top -= (newHeight - height) * ((center.pageY - offset.top - canvasData.top) / height);
- } else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) {
- canvasData.left -= (newWidth - width) * ((pivot.x - canvasData.left) / width);
- canvasData.top -= (newHeight - height) * ((pivot.y - canvasData.top) / height);
- } else {
- // Zoom from the center of the canvas
- canvasData.left -= (newWidth - width) / 2;
- canvasData.top -= (newHeight - height) / 2;
+ /**
+ * Rotate the canvas with a relative degree
+ * @param {number} degree - The rotate degree.
+ * @returns {Cropper} this
+ */
+ rotate: function rotate(degree) {
+ return this.rotateTo((this.imageData.rotate || 0) + Number(degree));
+ },
+
+
+ /**
+ * Rotate the canvas to an absolute degree
+ * @param {number} degree - The rotate degree.
+ * @returns {Cropper} this
+ */
+ rotateTo: function rotateTo(degree) {
+ degree = Number(degree);
+
+ if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
+ this.imageData.rotate = degree % 360;
+ this.renderCanvas(true, true);
}
- canvasData.width = newWidth;
- canvasData.height = newHeight;
- this.renderCanvas(true);
- }
+ return this;
+ },
- return this;
- },
+ /**
+ * Scale the image on the x-axis.
+ * @param {number} scaleX - The scale ratio on the x-axis.
+ * @returns {Cropper} this
+ */
+ scaleX: function scaleX(_scaleX) {
+ var scaleY = this.imageData.scaleY;
- /**
- * Rotate the canvas with a relative degree
- * @param {number} degree - The rotate degree.
- * @returns {Cropper} this
- */
- rotate: function rotate(degree) {
- return this.rotateTo((this.imageData.rotate || 0) + Number(degree));
- },
+ return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
+ },
- /**
- * Rotate the canvas to an absolute degree
- * @param {number} degree - The rotate degree.
- * @returns {Cropper} this
- */
- rotateTo: function rotateTo(degree) {
- degree = Number(degree);
- if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
- this.imageData.rotate = degree % 360;
- this.renderCanvas(true, true);
- }
+ /**
+ * Scale the image on the y-axis.
+ * @param {number} scaleY - The scale ratio on the y-axis.
+ * @returns {Cropper} this
+ */
+ scaleY: function scaleY(_scaleY) {
+ var scaleX = this.imageData.scaleX;
- return this;
- },
+ return this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);
+ },
- /**
- * Scale the image on the x-axis.
- * @param {number} scaleX - The scale ratio on the x-axis.
- * @returns {Cropper} this
- */
- scaleX: function scaleX(_scaleX) {
- var scaleY = this.imageData.scaleY;
+ /**
+ * Scale the image
+ * @param {number} scaleX - The scale ratio on the x-axis.
+ * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
+ * @returns {Cropper} this
+ */
+ scale: function scale(scaleX) {
+ var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
+ var imageData = this.imageData;
- return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
- },
+ var transformed = false;
+ scaleX = Number(scaleX);
+ scaleY = Number(scaleY);
- /**
- * Scale the image on the y-axis.
- * @param {number} scaleY - The scale ratio on the y-axis.
- * @returns {Cropper} this
- */
- scaleY: function scaleY(_scaleY) {
- var scaleX = this.imageData.scaleX;
+ if (this.ready && !this.disabled && this.options.scalable) {
+ if (isNumber(scaleX)) {
+ imageData.scaleX = scaleX;
+ transformed = true;
+ }
+ if (isNumber(scaleY)) {
+ imageData.scaleY = scaleY;
+ transformed = true;
+ }
- return this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);
- },
+ if (transformed) {
+ this.renderCanvas(true, true);
+ }
+ }
+ return this;
+ },
- /**
- * Scale the image
- * @param {number} scaleX - The scale ratio on the x-axis.
- * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
- * @returns {Cropper} this
- */
- scale: function scale(scaleX) {
- var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
- var imageData = this.imageData;
- var transformed = false;
+ /**
+ * Get the cropped area position and size data (base on the original image)
+ * @param {boolean} [rounded=false] - Indicate if round the data values or not.
+ * @returns {Object} The result cropped data.
+ */
+ getData: function getData$$1() {
+ var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+ var options = this.options,
+ imageData = this.imageData,
+ canvasData = this.canvasData,
+ cropBoxData = this.cropBoxData;
+
+ var data = void 0;
+
+ if (this.ready && this.cropped) {
+ data = {
+ x: cropBoxData.left - canvasData.left,
+ y: cropBoxData.top - canvasData.top,
+ width: cropBoxData.width,
+ height: cropBoxData.height
+ };
- scaleX = Number(scaleX);
- scaleY = Number(scaleY);
+ var ratio = imageData.width / imageData.naturalWidth;
- if (this.ready && !this.disabled && this.options.scalable) {
- if (isNumber(scaleX)) {
- imageData.scaleX = scaleX;
- transformed = true;
+ forEach(data, function (n, i) {
+ n /= ratio;
+ data[i] = rounded ? Math.round(n) : n;
+ });
+ } else {
+ data = {
+ x: 0,
+ y: 0,
+ width: 0,
+ height: 0
+ };
}
- if (isNumber(scaleY)) {
- imageData.scaleY = scaleY;
- transformed = true;
+ if (options.rotatable) {
+ data.rotate = imageData.rotate || 0;
}
- if (transformed) {
- this.renderCanvas(true, true);
+ if (options.scalable) {
+ data.scaleX = imageData.scaleX || 1;
+ data.scaleY = imageData.scaleY || 1;
}
- }
- return this;
- },
+ return data;
+ },
- /**
- * Get the cropped area position and size data (base on the original image)
- * @param {boolean} [rounded=false] - Indicate if round the data values or not.
- * @returns {Object} The result cropped data.
- */
- getData: function getData$$1() {
- var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
- var options = this.options,
- imageData = this.imageData,
- canvasData = this.canvasData,
- cropBoxData = this.cropBoxData;
-
- var data = void 0;
-
- if (this.ready && this.cropped) {
- data = {
- x: cropBoxData.left - canvasData.left,
- y: cropBoxData.top - canvasData.top,
- width: cropBoxData.width,
- height: cropBoxData.height
- };
-
- var ratio = imageData.width / imageData.naturalWidth;
+ /**
+ * Set the cropped area position and size with new data
+ * @param {Object} data - The new data.
+ * @returns {Cropper} this
+ */
+ setData: function setData$$1(data) {
+ var options = this.options,
+ imageData = this.imageData,
+ canvasData = this.canvasData;
- forEach(data, function (n, i) {
- n /= ratio;
- data[i] = rounded ? Math.round(n) : n;
- });
- } else {
- data = {
- x: 0,
- y: 0,
- width: 0,
- height: 0
- };
- }
+ var cropBoxData = {};
- if (options.rotatable) {
- data.rotate = imageData.rotate || 0;
- }
+ if (this.ready && !this.disabled && isPlainObject(data)) {
+ var transformed = false;
- if (options.scalable) {
- data.scaleX = imageData.scaleX || 1;
- data.scaleY = imageData.scaleY || 1;
- }
+ if (options.rotatable) {
+ if (isNumber(data.rotate) && data.rotate !== imageData.rotate) {
+ imageData.rotate = data.rotate;
+ transformed = true;
+ }
+ }
- return data;
- },
+ if (options.scalable) {
+ if (isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) {
+ imageData.scaleX = data.scaleX;
+ transformed = true;
+ }
+ if (isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) {
+ imageData.scaleY = data.scaleY;
+ transformed = true;
+ }
+ }
- /**
- * Set the cropped area position and size with new data
- * @param {Object} data - The new data.
- * @returns {Cropper} this
- */
- setData: function setData$$1(data) {
- var options = this.options,
- imageData = this.imageData,
- canvasData = this.canvasData;
+ if (transformed) {
+ this.renderCanvas(true, true);
+ }
- var cropBoxData = {};
+ var ratio = imageData.width / imageData.naturalWidth;
- if (this.ready && !this.disabled && isPlainObject(data)) {
- var transformed = false;
+ if (isNumber(data.x)) {
+ cropBoxData.left = data.x * ratio + canvasData.left;
+ }
- if (options.rotatable) {
- if (isNumber(data.rotate) && data.rotate !== imageData.rotate) {
- imageData.rotate = data.rotate;
- transformed = true;
+ if (isNumber(data.y)) {
+ cropBoxData.top = data.y * ratio + canvasData.top;
}
- }
- if (options.scalable) {
- if (isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) {
- imageData.scaleX = data.scaleX;
- transformed = true;
+ if (isNumber(data.width)) {
+ cropBoxData.width = data.width * ratio;
}
- if (isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) {
- imageData.scaleY = data.scaleY;
- transformed = true;
+ if (isNumber(data.height)) {
+ cropBoxData.height = data.height * ratio;
}
- }
- if (transformed) {
- this.renderCanvas(true, true);
+ this.setCropBoxData(cropBoxData);
}
- var ratio = imageData.width / imageData.naturalWidth;
+ return this;
+ },
- if (isNumber(data.x)) {
- cropBoxData.left = data.x * ratio + canvasData.left;
- }
- if (isNumber(data.y)) {
- cropBoxData.top = data.y * ratio + canvasData.top;
- }
+ /**
+ * Get the container size data.
+ * @returns {Object} The result container data.
+ */
+ getContainerData: function getContainerData() {
+ return this.ready ? assign({}, this.containerData) : {};
+ },
- if (isNumber(data.width)) {
- cropBoxData.width = data.width * ratio;
- }
- if (isNumber(data.height)) {
- cropBoxData.height = data.height * ratio;
- }
+ /**
+ * Get the image position and size data.
+ * @returns {Object} The result image data.
+ */
+ getImageData: function getImageData() {
+ return this.sized ? assign({}, this.imageData) : {};
+ },
- this.setCropBoxData(cropBoxData);
- }
- return this;
- },
+ /**
+ * Get the canvas position and size data.
+ * @returns {Object} The result canvas data.
+ */
+ getCanvasData: function getCanvasData() {
+ var canvasData = this.canvasData;
+ var data = {};
- /**
- * Get the container size data.
- * @returns {Object} The result container data.
- */
- getContainerData: function getContainerData() {
- return this.ready ? assign({}, this.containerData) : {};
- },
+ if (this.ready) {
+ forEach(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) {
+ data[n] = canvasData[n];
+ });
+ }
+ return data;
+ },
- /**
- * Get the image position and size data.
- * @returns {Object} The result image data.
- */
- getImageData: function getImageData() {
- return this.sized ? assign({}, this.imageData) : {};
- },
+ /**
+ * Set the canvas position and size with new data.
+ * @param {Object} data - The new canvas data.
+ * @returns {Cropper} this
+ */
+ setCanvasData: function setCanvasData(data) {
+ var canvasData = this.canvasData;
+ var aspectRatio = canvasData.aspectRatio;
- /**
- * Get the canvas position and size data.
- * @returns {Object} The result canvas data.
- */
- getCanvasData: function getCanvasData() {
- var canvasData = this.canvasData;
- var data = {};
+ if (this.ready && !this.disabled && isPlainObject(data)) {
+ if (isNumber(data.left)) {
+ canvasData.left = data.left;
+ }
- if (this.ready) {
- forEach(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) {
- data[n] = canvasData[n];
- });
- }
+ if (isNumber(data.top)) {
+ canvasData.top = data.top;
+ }
- return data;
- },
+ if (isNumber(data.width)) {
+ canvasData.width = data.width;
+ canvasData.height = data.width / aspectRatio;
+ } else if (isNumber(data.height)) {
+ canvasData.height = data.height;
+ canvasData.width = data.height * aspectRatio;
+ }
+ this.renderCanvas(true);
+ }
- /**
- * Set the canvas position and size with new data.
- * @param {Object} data - The new canvas data.
- * @returns {Cropper} this
- */
- setCanvasData: function setCanvasData(data) {
- var canvasData = this.canvasData;
- var aspectRatio = canvasData.aspectRatio;
+ return this;
+ },
- if (this.ready && !this.disabled && isPlainObject(data)) {
- if (isNumber(data.left)) {
- canvasData.left = data.left;
- }
+ /**
+ * Get the crop box position and size data.
+ * @returns {Object} The result crop box data.
+ */
+ getCropBoxData: function getCropBoxData() {
+ var cropBoxData = this.cropBoxData;
- if (isNumber(data.top)) {
- canvasData.top = data.top;
- }
+ var data = void 0;
- if (isNumber(data.width)) {
- canvasData.width = data.width;
- canvasData.height = data.width / aspectRatio;
- } else if (isNumber(data.height)) {
- canvasData.height = data.height;
- canvasData.width = data.height * aspectRatio;
+ if (this.ready && this.cropped) {
+ data = {
+ left: cropBoxData.left,
+ top: cropBoxData.top,
+ width: cropBoxData.width,
+ height: cropBoxData.height
+ };
}
- this.renderCanvas(true);
- }
-
- return this;
- },
+ return data || {};
+ },
- /**
- * Get the crop box position and size data.
- * @returns {Object} The result crop box data.
- */
- getCropBoxData: function getCropBoxData() {
- var cropBoxData = this.cropBoxData;
+ /**
+ * Set the crop box position and size with new data.
+ * @param {Object} data - The new crop box data.
+ * @returns {Cropper} this
+ */
+ setCropBoxData: function setCropBoxData(data) {
+ var cropBoxData = this.cropBoxData;
+ var aspectRatio = this.options.aspectRatio;
- var data = void 0;
+ var widthChanged = void 0;
+ var heightChanged = void 0;
- if (this.ready && this.cropped) {
- data = {
- left: cropBoxData.left,
- top: cropBoxData.top,
- width: cropBoxData.width,
- height: cropBoxData.height
- };
- }
+ if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) {
+ if (isNumber(data.left)) {
+ cropBoxData.left = data.left;
+ }
- return data || {};
- },
+ if (isNumber(data.top)) {
+ cropBoxData.top = data.top;
+ }
+ if (isNumber(data.width) && data.width !== cropBoxData.width) {
+ widthChanged = true;
+ cropBoxData.width = data.width;
+ }
- /**
- * Set the crop box position and size with new data.
- * @param {Object} data - The new crop box data.
- * @returns {Cropper} this
- */
- setCropBoxData: function setCropBoxData(data) {
- var cropBoxData = this.cropBoxData;
- var aspectRatio = this.options.aspectRatio;
+ if (isNumber(data.height) && data.height !== cropBoxData.height) {
+ heightChanged = true;
+ cropBoxData.height = data.height;
+ }
- var widthChanged = void 0;
- var heightChanged = void 0;
+ if (aspectRatio) {
+ if (widthChanged) {
+ cropBoxData.height = cropBoxData.width / aspectRatio;
+ } else if (heightChanged) {
+ cropBoxData.width = cropBoxData.height * aspectRatio;
+ }
+ }
- if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) {
- if (isNumber(data.left)) {
- cropBoxData.left = data.left;
+ this.renderCropBox();
}
- if (isNumber(data.top)) {
- cropBoxData.top = data.top;
- }
+ return this;
+ },
- if (isNumber(data.width) && data.width !== cropBoxData.width) {
- widthChanged = true;
- cropBoxData.width = data.width;
- }
- if (isNumber(data.height) && data.height !== cropBoxData.height) {
- heightChanged = true;
- cropBoxData.height = data.height;
- }
+ /**
+ * Get a canvas drawn the cropped image.
+ * @param {Object} [options={}] - The config options.
+ * @returns {HTMLCanvasElement} - The result canvas.
+ */
+ getCroppedCanvas: function getCroppedCanvas() {
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- if (aspectRatio) {
- if (widthChanged) {
- cropBoxData.height = cropBoxData.width / aspectRatio;
- } else if (heightChanged) {
- cropBoxData.width = cropBoxData.height * aspectRatio;
- }
+ if (!this.ready || !window.HTMLCanvasElement) {
+ return null;
}
- this.renderCropBox();
- }
-
- return this;
- },
+ var canvasData = this.canvasData;
+ var source = getSourceCanvas(this.image, this.imageData, canvasData, options);
- /**
- * Get a canvas drawn the cropped image.
- * @param {Object} [options={}] - The config options.
- * @returns {HTMLCanvasElement} - The result canvas.
- */
- getCroppedCanvas: function getCroppedCanvas() {
- var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
-
- if (!this.ready || !window.HTMLCanvasElement) {
- return null;
- }
+ // Returns the source canvas if it is not cropped.
+ if (!this.cropped) {
+ return source;
+ }
- var canvasData = this.canvasData;
+ var _getData = this.getData(),
+ initialX = _getData.x,
+ initialY = _getData.y,
+ initialWidth = _getData.width,
+ initialHeight = _getData.height;
- var source = getSourceCanvas(this.image, this.imageData, canvasData, options);
+ var ratio = source.width / Math.floor(canvasData.naturalWidth);
- // Returns the source canvas if it is not cropped.
- if (!this.cropped) {
- return source;
- }
+ if (ratio !== 1) {
+ initialX *= ratio;
+ initialY *= ratio;
+ initialWidth *= ratio;
+ initialHeight *= ratio;
+ }
- var _getData = this.getData(),
- initialX = _getData.x,
- initialY = _getData.y,
- initialWidth = _getData.width,
- initialHeight = _getData.height;
+ var aspectRatio = initialWidth / initialHeight;
+ var maxSizes = getAdjustedSizes({
+ aspectRatio: aspectRatio,
+ width: options.maxWidth || Infinity,
+ height: options.maxHeight || Infinity
+ });
+ var minSizes = getAdjustedSizes({
+ aspectRatio: aspectRatio,
+ width: options.minWidth || 0,
+ height: options.minHeight || 0
+ }, 'cover');
- var ratio = source.width / Math.floor(canvasData.naturalWidth);
+ var _getAdjustedSizes = getAdjustedSizes({
+ aspectRatio: aspectRatio,
+ width: options.width || (ratio !== 1 ? source.width : initialWidth),
+ height: options.height || (ratio !== 1 ? source.height : initialHeight)
+ }),
+ width = _getAdjustedSizes.width,
+ height = _getAdjustedSizes.height;
- if (ratio !== 1) {
- initialX *= ratio;
- initialY *= ratio;
- initialWidth *= ratio;
- initialHeight *= ratio;
- }
+ width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
+ height = Math.min(maxSizes.height, Math.max(minSizes.height, height));
- var aspectRatio = initialWidth / initialHeight;
- var maxSizes = getAdjustedSizes({
- aspectRatio: aspectRatio,
- width: options.maxWidth || Infinity,
- height: options.maxHeight || Infinity
- });
- var minSizes = getAdjustedSizes({
- aspectRatio: aspectRatio,
- width: options.minWidth || 0,
- height: options.minHeight || 0
- }, 'cover');
+ var canvas = document.createElement('canvas');
+ var context = canvas.getContext('2d');
- var _getAdjustedSizes = getAdjustedSizes({
- aspectRatio: aspectRatio,
- width: options.width || (ratio !== 1 ? source.width : initialWidth),
- height: options.height || (ratio !== 1 ? source.height : initialHeight)
- }),
- width = _getAdjustedSizes.width,
- height = _getAdjustedSizes.height;
+ canvas.width = normalizeDecimalNumber(width);
+ canvas.height = normalizeDecimalNumber(height);
- width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
- height = Math.min(maxSizes.height, Math.max(minSizes.height, height));
+ context.fillStyle = options.fillColor || 'transparent';
+ context.fillRect(0, 0, width, height);
- var canvas = document.createElement('canvas');
- var context = canvas.getContext('2d');
+ var _options$imageSmoothi = options.imageSmoothingEnabled,
+ imageSmoothingEnabled = _options$imageSmoothi === undefined ? true : _options$imageSmoothi,
+ imageSmoothingQuality = options.imageSmoothingQuality;
- canvas.width = normalizeDecimalNumber(width);
- canvas.height = normalizeDecimalNumber(height);
- context.fillStyle = options.fillColor || 'transparent';
- context.fillRect(0, 0, width, height);
+ context.imageSmoothingEnabled = imageSmoothingEnabled;
- var _options$imageSmoothi = options.imageSmoothingEnabled,
- imageSmoothingEnabled = _options$imageSmoothi === undefined ? true : _options$imageSmoothi,
- imageSmoothingQuality = options.imageSmoothingQuality;
+ if (imageSmoothingQuality) {
+ context.imageSmoothingQuality = imageSmoothingQuality;
+ }
+ // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
+ var sourceWidth = source.width;
+ var sourceHeight = source.height;
- context.imageSmoothingEnabled = imageSmoothingEnabled;
+ // Source canvas parameters
+ var srcX = initialX;
+ var srcY = initialY;
+ var srcWidth = void 0;
+ var srcHeight = void 0;
- if (imageSmoothingQuality) {
- context.imageSmoothingQuality = imageSmoothingQuality;
- }
+ // Destination canvas parameters
+ var dstX = void 0;
+ var dstY = void 0;
+ var dstWidth = void 0;
+ var dstHeight = void 0;
- // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
- var sourceWidth = source.width;
- var sourceHeight = source.height;
-
- // Source canvas parameters
- var srcX = initialX;
- var srcY = initialY;
- var srcWidth = void 0;
- var srcHeight = void 0;
-
- // Destination canvas parameters
- var dstX = void 0;
- var dstY = void 0;
- var dstWidth = void 0;
- var dstHeight = void 0;
-
- if (srcX <= -initialWidth || srcX > sourceWidth) {
- srcX = 0;
- srcWidth = 0;
- dstX = 0;
- dstWidth = 0;
- } else if (srcX <= 0) {
- dstX = -srcX;
- srcX = 0;
- srcWidth = Math.min(sourceWidth, initialWidth + srcX);
- dstWidth = srcWidth;
- } else if (srcX <= sourceWidth) {
- dstX = 0;
- srcWidth = Math.min(initialWidth, sourceWidth - srcX);
- dstWidth = srcWidth;
- }
+ if (srcX <= -initialWidth || srcX > sourceWidth) {
+ srcX = 0;
+ srcWidth = 0;
+ dstX = 0;
+ dstWidth = 0;
+ } else if (srcX <= 0) {
+ dstX = -srcX;
+ srcX = 0;
+ srcWidth = Math.min(sourceWidth, initialWidth + srcX);
+ dstWidth = srcWidth;
+ } else if (srcX <= sourceWidth) {
+ dstX = 0;
+ srcWidth = Math.min(initialWidth, sourceWidth - srcX);
+ dstWidth = srcWidth;
+ }
- if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
- srcY = 0;
- srcHeight = 0;
- dstY = 0;
- dstHeight = 0;
- } else if (srcY <= 0) {
- dstY = -srcY;
- srcY = 0;
- srcHeight = Math.min(sourceHeight, initialHeight + srcY);
- dstHeight = srcHeight;
- } else if (srcY <= sourceHeight) {
- dstY = 0;
- srcHeight = Math.min(initialHeight, sourceHeight - srcY);
- dstHeight = srcHeight;
- }
+ if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
+ srcY = 0;
+ srcHeight = 0;
+ dstY = 0;
+ dstHeight = 0;
+ } else if (srcY <= 0) {
+ dstY = -srcY;
+ srcY = 0;
+ srcHeight = Math.min(sourceHeight, initialHeight + srcY);
+ dstHeight = srcHeight;
+ } else if (srcY <= sourceHeight) {
+ dstY = 0;
+ srcHeight = Math.min(initialHeight, sourceHeight - srcY);
+ dstHeight = srcHeight;
+ }
- // All the numerical parameters should be integer for `drawImage`
- // https://github.com/fengyuanchen/cropper/issues/476
- var params = [srcX, srcY, srcWidth, srcHeight];
+ var params = [srcX, srcY, srcWidth, srcHeight];
- // Avoid "IndexSizeError"
- if (dstWidth > 0 && dstHeight > 0) {
- var scale = width / initialWidth;
+ // Avoid "IndexSizeError"
+ if (dstWidth > 0 && dstHeight > 0) {
+ var scale = width / initialWidth;
- params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);
- }
+ params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);
+ }
- context.drawImage.apply(context, [source].concat(toConsumableArray(params.map(function (param) {
- return Math.floor(normalizeDecimalNumber(param));
- }))));
+ // All the numerical parameters should be integer for `drawImage`
+ // https://github.com/fengyuanchen/cropper/issues/476
+ context.drawImage.apply(context, [source].concat(toConsumableArray(params.map(function (param) {
+ return Math.floor(normalizeDecimalNumber(param));
+ }))));
- return canvas;
- },
+ return canvas;
+ },
- /**
- * Change the aspect ratio of the crop box.
- * @param {number} aspectRatio - The new aspect ratio.
- * @returns {Cropper} this
- */
- setAspectRatio: function setAspectRatio(aspectRatio) {
- var options = this.options;
+ /**
+ * Change the aspect ratio of the crop box.
+ * @param {number} aspectRatio - The new aspect ratio.
+ * @returns {Cropper} this
+ */
+ setAspectRatio: function setAspectRatio(aspectRatio) {
+ var options = this.options;
- if (!this.disabled && !isUndefined(aspectRatio)) {
- // 0 -> NaN
- options.aspectRatio = Math.max(0, aspectRatio) || NaN;
+ if (!this.disabled && !isUndefined(aspectRatio)) {
+ // 0 -> NaN
+ options.aspectRatio = Math.max(0, aspectRatio) || NaN;
- if (this.ready) {
- this.initCropBox();
+ if (this.ready) {
+ this.initCropBox();
- if (this.cropped) {
- this.renderCropBox();
+ if (this.cropped) {
+ this.renderCropBox();
+ }
}
}
- }
- return this;
- },
+ return this;
+ },
- /**
- * Change the drag mode.
- * @param {string} mode - The new drag mode.
- * @returns {Cropper} this
- */
- setDragMode: function setDragMode(mode) {
- var options = this.options,
- dragBox = this.dragBox,
- face = this.face;
+ /**
+ * Change the drag mode.
+ * @param {string} mode - The new drag mode.
+ * @returns {Cropper} this
+ */
+ setDragMode: function setDragMode(mode) {
+ var options = this.options,
+ dragBox = this.dragBox,
+ face = this.face;
- if (this.ready && !this.disabled) {
- var croppable = mode === DRAG_MODE_CROP;
- var movable = options.movable && mode === DRAG_MODE_MOVE;
+ if (this.ready && !this.disabled) {
+ var croppable = mode === DRAG_MODE_CROP;
+ var movable = options.movable && mode === DRAG_MODE_MOVE;
- mode = croppable || movable ? mode : DRAG_MODE_NONE;
+ mode = croppable || movable ? mode : DRAG_MODE_NONE;
- options.dragMode = mode;
- setData(dragBox, DATA_ACTION, mode);
- toggleClass(dragBox, CLASS_CROP, croppable);
- toggleClass(dragBox, CLASS_MOVE, movable);
+ options.dragMode = mode;
+ setData(dragBox, DATA_ACTION, mode);
+ toggleClass(dragBox, CLASS_CROP, croppable);
+ toggleClass(dragBox, CLASS_MOVE, movable);
- if (!options.cropBoxMovable) {
- // Sync drag mode to crop box when it is not movable
- setData(face, DATA_ACTION, mode);
- toggleClass(face, CLASS_CROP, croppable);
- toggleClass(face, CLASS_MOVE, movable);
+ if (!options.cropBoxMovable) {
+ // Sync drag mode to crop box when it is not movable
+ setData(face, DATA_ACTION, mode);
+ toggleClass(face, CLASS_CROP, croppable);
+ toggleClass(face, CLASS_MOVE, movable);
+ }
}
+
+ return this;
}
+ };
- return this;
- }
-};
+ var AnotherCropper = WINDOW.Cropper;
-var AnotherCropper = WINDOW.Cropper;
+ var Cropper = function () {
+ /**
+ * Create a new Cropper.
+ * @param {Element} element - The target element for cropping.
+ * @param {Object} [options={}] - The configuration options.
+ */
+ function Cropper(element) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, Cropper);
-var Cropper = function () {
- /**
- * Create a new Cropper.
- * @param {Element} element - The target element for cropping.
- * @param {Object} [options={}] - The configuration options.
- */
- function Cropper(element) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- classCallCheck(this, Cropper);
+ if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {
+ throw new Error('The first argument is required and must be an
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