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3516 lines
106 KiB
3516 lines
106 KiB
/*! |
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* Cropper.js v1.4.2 |
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* https://fengyuanchen.github.io/cropperjs |
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* |
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* Copyright 2015-present Chen Fengyuan |
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* Released under the MIT license |
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* |
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* Date: 2018-10-15T13:27:01.969Z |
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*/ |
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(function (global, factory) { |
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : |
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typeof define === 'function' && define.amd ? define(factory) : |
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(global.Cropper = factory()); |
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}(this, (function () { 'use strict'; |
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function _typeof(obj) { |
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if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { |
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_typeof = function (obj) { |
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return typeof obj; |
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}; |
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} else { |
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_typeof = function (obj) { |
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return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; |
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}; |
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} |
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return _typeof(obj); |
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} |
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function _classCallCheck(instance, Constructor) { |
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if (!(instance instanceof Constructor)) { |
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throw new TypeError("Cannot call a class as a function"); |
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} |
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} |
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function _defineProperties(target, props) { |
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for (var i = 0; i < props.length; i++) { |
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var descriptor = props[i]; |
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descriptor.enumerable = descriptor.enumerable || false; |
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descriptor.configurable = true; |
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if ("value" in descriptor) descriptor.writable = true; |
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Object.defineProperty(target, descriptor.key, descriptor); |
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} |
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} |
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function _createClass(Constructor, protoProps, staticProps) { |
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if (protoProps) _defineProperties(Constructor.prototype, protoProps); |
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if (staticProps) _defineProperties(Constructor, staticProps); |
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return Constructor; |
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} |
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function _toConsumableArray(arr) { |
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return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); |
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} |
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function _arrayWithoutHoles(arr) { |
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if (Array.isArray(arr)) { |
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for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; |
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return arr2; |
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} |
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} |
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function _iterableToArray(iter) { |
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if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); |
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} |
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function _nonIterableSpread() { |
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throw new TypeError("Invalid attempt to spread non-iterable instance"); |
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} |
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var IN_BROWSER = typeof window !== 'undefined'; |
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var WINDOW = IN_BROWSER ? window : {}; |
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var NAMESPACE = 'cropper'; // Actions |
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var ACTION_ALL = 'all'; |
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var ACTION_CROP = 'crop'; |
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var ACTION_MOVE = 'move'; |
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var ACTION_ZOOM = 'zoom'; |
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var ACTION_EAST = 'e'; |
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var ACTION_WEST = 'w'; |
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var ACTION_SOUTH = 's'; |
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var ACTION_NORTH = 'n'; |
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var ACTION_NORTH_EAST = 'ne'; |
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var ACTION_NORTH_WEST = 'nw'; |
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var ACTION_SOUTH_EAST = 'se'; |
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var ACTION_SOUTH_WEST = 'sw'; // Classes |
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var CLASS_CROP = "".concat(NAMESPACE, "-crop"); |
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var CLASS_DISABLED = "".concat(NAMESPACE, "-disabled"); |
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var CLASS_HIDDEN = "".concat(NAMESPACE, "-hidden"); |
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var CLASS_HIDE = "".concat(NAMESPACE, "-hide"); |
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var CLASS_INVISIBLE = "".concat(NAMESPACE, "-invisible"); |
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var CLASS_MODAL = "".concat(NAMESPACE, "-modal"); |
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var CLASS_MOVE = "".concat(NAMESPACE, "-move"); // Data keys |
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var DATA_ACTION = "".concat(NAMESPACE, "Action"); |
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var DATA_PREVIEW = "".concat(NAMESPACE, "Preview"); // Drag modes |
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var DRAG_MODE_CROP = 'crop'; |
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var DRAG_MODE_MOVE = 'move'; |
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var DRAG_MODE_NONE = 'none'; // Events |
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var EVENT_CROP = 'crop'; |
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var EVENT_CROP_END = 'cropend'; |
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var EVENT_CROP_MOVE = 'cropmove'; |
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var EVENT_CROP_START = 'cropstart'; |
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var EVENT_DBLCLICK = 'dblclick'; |
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var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown'; |
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var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove'; |
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var EVENT_POINTER_UP = WINDOW.PointerEvent ? 'pointerup pointercancel' : 'touchend touchcancel mouseup'; |
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var EVENT_READY = 'ready'; |
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var EVENT_RESIZE = 'resize'; |
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var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll'; |
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var EVENT_ZOOM = 'zoom'; // Mime types |
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var MIME_TYPE_JPEG = 'image/jpeg'; // RegExps |
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var REGEXP_ACTIONS = /^(?:e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/; |
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var REGEXP_DATA_URL = /^data:/; |
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var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/; |
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var REGEXP_TAG_NAME = /^(?:img|canvas)$/i; |
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var DEFAULTS = { |
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// Define the view mode of the cropper |
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viewMode: 0, |
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// 0, 1, 2, 3 |
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// Define the dragging mode of the cropper |
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dragMode: DRAG_MODE_CROP, |
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// 'crop', 'move' or 'none' |
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// Define the initial aspect ratio of the crop box |
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initialAspectRatio: NaN, |
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// Define the aspect ratio of the crop box |
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aspectRatio: NaN, |
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// An object with the previous cropping result data |
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data: null, |
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// A selector for adding extra containers to preview |
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preview: '', |
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// Re-render the cropper when resize the window |
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responsive: true, |
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// Restore the cropped area after resize the window |
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restore: true, |
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// Check if the current image is a cross-origin image |
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checkCrossOrigin: true, |
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// Check the current image's Exif Orientation information |
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checkOrientation: true, |
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// Show the black modal |
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modal: true, |
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// Show the dashed lines for guiding |
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guides: true, |
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// Show the center indicator for guiding |
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center: true, |
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// Show the white modal to highlight the crop box |
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highlight: true, |
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// Show the grid background |
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background: true, |
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// Enable to crop the image automatically when initialize |
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autoCrop: true, |
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// Define the percentage of automatic cropping area when initializes |
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autoCropArea: 0.8, |
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// Enable to move the image |
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movable: true, |
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// Enable to rotate the image |
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rotatable: true, |
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// Enable to scale the image |
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scalable: true, |
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// Enable to zoom the image |
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zoomable: true, |
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// Enable to zoom the image by dragging touch |
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zoomOnTouch: true, |
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// Enable to zoom the image by wheeling mouse |
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zoomOnWheel: true, |
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// Define zoom ratio when zoom the image by wheeling mouse |
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wheelZoomRatio: 0.1, |
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// Enable to move the crop box |
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cropBoxMovable: true, |
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// Enable to resize the crop box |
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cropBoxResizable: true, |
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// Toggle drag mode between "crop" and "move" when click twice on the cropper |
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toggleDragModeOnDblclick: true, |
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// Size limitation |
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minCanvasWidth: 0, |
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minCanvasHeight: 0, |
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minCropBoxWidth: 0, |
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minCropBoxHeight: 0, |
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minContainerWidth: 200, |
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minContainerHeight: 100, |
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// Shortcuts of events |
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ready: null, |
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cropstart: null, |
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cropmove: null, |
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cropend: null, |
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crop: null, |
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zoom: null |
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}; |
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var TEMPLATE = '<div class="cropper-container" touch-action="none">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-cropper-action="e"></span>' + '<span class="cropper-line line-n" data-cropper-action="n"></span>' + '<span class="cropper-line line-w" data-cropper-action="w"></span>' + '<span class="cropper-line line-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-e" data-cropper-action="e"></span>' + '<span class="cropper-point point-n" data-cropper-action="n"></span>' + '<span class="cropper-point point-w" data-cropper-action="w"></span>' + '<span class="cropper-point point-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-ne" data-cropper-action="ne"></span>' + '<span class="cropper-point point-nw" data-cropper-action="nw"></span>' + '<span class="cropper-point point-sw" data-cropper-action="sw"></span>' + '<span class="cropper-point point-se" data-cropper-action="se"></span>' + '</div>' + '</div>'; |
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/** |
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* Check if the given value is not a number. |
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*/ |
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var isNaN = Number.isNaN || WINDOW.isNaN; |
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/** |
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* Check if the given value is a number. |
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* @param {*} value - The value to check. |
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* @returns {boolean} Returns `true` if the given value is a number, else `false`. |
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*/ |
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function isNumber(value) { |
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return typeof value === 'number' && !isNaN(value); |
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} |
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/** |
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* Check if the given value is undefined. |
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* @param {*} value - The value to check. |
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* @returns {boolean} Returns `true` if the given value is undefined, else `false`. |
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*/ |
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function isUndefined(value) { |
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return typeof value === 'undefined'; |
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} |
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/** |
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* Check if the given value is an object. |
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* @param {*} value - The value to check. |
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* @returns {boolean} Returns `true` if the given value is an object, else `false`. |
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*/ |
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function isObject(value) { |
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return _typeof(value) === 'object' && value !== null; |
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} |
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var hasOwnProperty = Object.prototype.hasOwnProperty; |
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/** |
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* Check if the given value is a plain object. |
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* @param {*} value - The value to check. |
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* @returns {boolean} Returns `true` if the given value is a plain object, else `false`. |
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*/ |
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function isPlainObject(value) { |
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if (!isObject(value)) { |
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return false; |
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} |
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try { |
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var _constructor = value.constructor; |
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var prototype = _constructor.prototype; |
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return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf'); |
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} catch (e) { |
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return false; |
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} |
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} |
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/** |
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* Check if the given value is a function. |
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* @param {*} value - The value to check. |
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* @returns {boolean} Returns `true` if the given value is a function, else `false`. |
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*/ |
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function isFunction(value) { |
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return typeof value === 'function'; |
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} |
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/** |
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* Iterate the given data. |
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* @param {*} data - The data to iterate. |
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* @param {Function} callback - The process function for each element. |
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* @returns {*} The original data. |
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*/ |
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function forEach(data, callback) { |
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if (data && isFunction(callback)) { |
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if (Array.isArray(data) || isNumber(data.length) |
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/* array-like */ |
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) { |
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var length = data.length; |
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var i; |
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for (i = 0; i < length; i += 1) { |
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if (callback.call(data, data[i], i, data) === false) { |
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break; |
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} |
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} |
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} else if (isObject(data)) { |
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Object.keys(data).forEach(function (key) { |
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callback.call(data, data[key], key, data); |
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}); |
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} |
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} |
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return data; |
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} |
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/** |
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* Extend the given object. |
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* @param {*} obj - The object to be extended. |
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* @param {*} args - The rest objects which will be merged to the first object. |
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* @returns {Object} The extended object. |
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*/ |
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var assign = Object.assign || function assign(obj) { |
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for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { |
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args[_key - 1] = arguments[_key]; |
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} |
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if (isObject(obj) && args.length > 0) { |
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args.forEach(function (arg) { |
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if (isObject(arg)) { |
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Object.keys(arg).forEach(function (key) { |
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obj[key] = arg[key]; |
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}); |
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} |
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}); |
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} |
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return obj; |
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}; |
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var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/; |
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/** |
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* Normalize decimal number. |
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* Check out {@link http://0.30000000000000004.com/} |
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* @param {number} value - The value to normalize. |
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* @param {number} [times=100000000000] - The times for normalizing. |
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* @returns {number} Returns the normalized number. |
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*/ |
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function normalizeDecimalNumber(value) { |
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var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000; |
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return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value; |
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} |
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var REGEXP_SUFFIX = /^(?:width|height|left|top|marginLeft|marginTop)$/; |
|
/** |
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* Apply styles to the given element. |
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* @param {Element} element - The target element. |
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* @param {Object} styles - The styles for applying. |
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*/ |
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function setStyle(element, styles) { |
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var style = element.style; |
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forEach(styles, function (value, property) { |
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if (REGEXP_SUFFIX.test(property) && isNumber(value)) { |
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value += 'px'; |
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} |
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style[property] = value; |
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}); |
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} |
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/** |
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* Check if the given element has a special class. |
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* @param {Element} element - The element to check. |
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* @param {string} value - The class to search. |
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* @returns {boolean} Returns `true` if the special class was found. |
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*/ |
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function hasClass(element, value) { |
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return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1; |
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} |
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/** |
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* Add classes to the given element. |
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* @param {Element} element - The target element. |
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* @param {string} value - The classes to be added. |
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*/ |
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function addClass(element, value) { |
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if (!value) { |
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return; |
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} |
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if (isNumber(element.length)) { |
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forEach(element, function (elem) { |
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addClass(elem, value); |
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}); |
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return; |
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} |
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if (element.classList) { |
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element.classList.add(value); |
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return; |
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} |
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var className = element.className.trim(); |
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|
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if (!className) { |
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element.className = value; |
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} else if (className.indexOf(value) < 0) { |
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element.className = "".concat(className, " ").concat(value); |
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} |
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} |
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/** |
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* Remove classes from the given element. |
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* @param {Element} element - The target element. |
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* @param {string} value - The classes to be removed. |
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*/ |
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function removeClass(element, value) { |
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if (!value) { |
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return; |
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} |
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if (isNumber(element.length)) { |
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forEach(element, function (elem) { |
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removeClass(elem, value); |
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}); |
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return; |
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} |
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|
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if (element.classList) { |
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element.classList.remove(value); |
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return; |
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} |
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|
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if (element.className.indexOf(value) >= 0) { |
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element.className = element.className.replace(value, ''); |
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} |
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} |
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/** |
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* Add or remove classes from the given element. |
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* @param {Element} element - The target element. |
|
* @param {string} value - The classes to be toggled. |
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* @param {boolean} added - Add only. |
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*/ |
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function toggleClass(element, value, added) { |
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if (!value) { |
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return; |
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} |
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|
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if (isNumber(element.length)) { |
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forEach(element, function (elem) { |
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toggleClass(elem, value, added); |
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}); |
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return; |
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} // IE10-11 doesn't support the second parameter of `classList.toggle` |
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if (added) { |
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addClass(element, value); |
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} else { |
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removeClass(element, value); |
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} |
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} |
|
var REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g; |
|
/** |
|
* Transform the given string from camelCase to kebab-case |
|
* @param {string} value - The value to transform. |
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* @returns {string} The transformed value. |
|
*/ |
|
|
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function hyphenate(value) { |
|
return value.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase(); |
|
} |
|
/** |
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* Get data from the given element. |
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* @param {Element} element - The target element. |
|
* @param {string} name - The data key to get. |
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* @returns {string} The data value. |
|
*/ |
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|
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function getData(element, name) { |
|
if (isObject(element[name])) { |
|
return element[name]; |
|
} |
|
|
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if (element.dataset) { |
|
return element.dataset[name]; |
|
} |
|
|
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return element.getAttribute("data-".concat(hyphenate(name))); |
|
} |
|
/** |
|
* 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. |
|
*/ |
|
|
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function setData(element, name, data) { |
|
if (isObject(data)) { |
|
element[name] = data; |
|
} else if (element.dataset) { |
|
element.dataset[name] = data; |
|
} else { |
|
element.setAttribute("data-".concat(hyphenate(name)), data); |
|
} |
|
} |
|
/** |
|
* 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-".concat(hyphenate(name))); |
|
} |
|
} |
|
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() { |
|
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(value) { |
|
once = value; |
|
} |
|
}); |
|
WINDOW.addEventListener('test', listener, options); |
|
WINDOW.removeEventListener('test', listener, options); |
|
} |
|
|
|
return supported; |
|
}(); |
|
/** |
|
* 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] : {}; |
|
var handler = listener; |
|
type.trim().split(REGEXP_SPACES).forEach(function (event) { |
|
if (!onceSupported) { |
|
var listeners = element.listeners; |
|
|
|
if (listeners && listeners[event] && listeners[event][listener]) { |
|
handler = listeners[event][listener]; |
|
delete listeners[event][listener]; |
|
|
|
if (Object.keys(listeners[event]).length === 0) { |
|
delete listeners[event]; |
|
} |
|
|
|
if (Object.keys(listeners).length === 0) { |
|
delete element.listeners; |
|
} |
|
} |
|
} |
|
|
|
element.removeEventListener(event, handler, 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] : {}; |
|
var _handler = listener; |
|
type.trim().split(REGEXP_SPACES).forEach(function (event) { |
|
if (options.once && !onceSupported) { |
|
var _element$listeners = element.listeners, |
|
listeners = _element$listeners === void 0 ? {} : _element$listeners; |
|
|
|
_handler = function handler() { |
|
delete listeners[event][listener]; |
|
element.removeEventListener(event, _handler, options); |
|
|
|
for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { |
|
args[_key2] = arguments[_key2]; |
|
} |
|
|
|
listener.apply(element, args); |
|
}; |
|
|
|
if (!listeners[event]) { |
|
listeners[event] = {}; |
|
} |
|
|
|
if (listeners[event][listener]) { |
|
element.removeEventListener(event, listeners[event][listener], options); |
|
} |
|
|
|
listeners[event][listener] = _handler; |
|
element.listeners = listeners; |
|
} |
|
|
|
element.addEventListener(event, _handler, 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; // 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); |
|
} |
|
|
|
return element.dispatchEvent(event); |
|
} |
|
/** |
|
* 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(); |
|
return { |
|
left: box.left + (window.pageXOffset - document.documentElement.clientLeft), |
|
top: box.top + (window.pageYOffset - document.documentElement.clientTop) |
|
}; |
|
} |
|
var location = WINDOW.location; |
|
var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i; |
|
/** |
|
* 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); |
|
return parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port); |
|
} |
|
/** |
|
* Add timestamp to the given URL. |
|
* @param {string} url - The target URL. |
|
* @returns {string} The result URL. |
|
*/ |
|
|
|
function addTimestamp(url) { |
|
var timestamp = "timestamp=".concat(new Date().getTime()); |
|
return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp; |
|
} |
|
/** |
|
* 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 values = []; |
|
|
|
if (isNumber(translateX) && translateX !== 0) { |
|
values.push("translateX(".concat(translateX, "px)")); |
|
} |
|
|
|
if (isNumber(translateY) && translateY !== 0) { |
|
values.push("translateY(".concat(translateY, "px)")); |
|
} // Rotate should come first before scale to match orientation transform |
|
|
|
|
|
if (isNumber(rotate) && rotate !== 0) { |
|
values.push("rotate(".concat(rotate, "deg)")); |
|
} |
|
|
|
if (isNumber(scaleX) && scaleX !== 1) { |
|
values.push("scaleX(".concat(scaleX, ")")); |
|
} |
|
|
|
if (isNumber(scaleY) && scaleY !== 1) { |
|
values.push("scaleY(".concat(scaleY, ")")); |
|
} |
|
|
|
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); |
|
}); |
|
}); |
|
ratios.sort(function (a, b) { |
|
return Math.abs(a) < Math.abs(b); |
|
}); |
|
return ratios[0]; |
|
} |
|
/** |
|
* 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 |
|
}; |
|
return endOnly ? end : assign({ |
|
startX: pageX, |
|
startY: pageY |
|
}, end); |
|
} |
|
/** |
|
* 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 |
|
}; |
|
} |
|
/** |
|
* Check if the given value is a finite number. |
|
*/ |
|
|
|
var isFinite = Number.isFinite || WINDOW.isFinite; |
|
/** |
|
* 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; |
|
}; |
|
|
|
if (isValidNumber(width) && isValidNumber(height)) { |
|
var adjustedWidth = height * aspectRatio; |
|
|
|
if (type === 'contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) { |
|
height = width / aspectRatio; |
|
} else { |
|
width = height * aspectRatio; |
|
} |
|
} 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; |
|
degree = Math.abs(degree) % 180; |
|
|
|
if (degree === 90) { |
|
return { |
|
width: height, |
|
height: width |
|
}; |
|
} |
|
|
|
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 imageAspectRatio = _ref6.aspectRatio, |
|
imageNaturalWidth = _ref6.naturalWidth, |
|
imageNaturalHeight = _ref6.naturalHeight, |
|
_ref6$rotate = _ref6.rotate, |
|
rotate = _ref6$rotate === void 0 ? 0 : _ref6$rotate, |
|
_ref6$scaleX = _ref6.scaleX, |
|
scaleX = _ref6$scaleX === void 0 ? 1 : _ref6$scaleX, |
|
_ref6$scaleY = _ref6.scaleY, |
|
scaleY = _ref6$scaleY === void 0 ? 1 : _ref6$scaleY; |
|
var aspectRatio = _ref7.aspectRatio, |
|
naturalWidth = _ref7.naturalWidth, |
|
naturalHeight = _ref7.naturalHeight; |
|
var _ref8$fillColor = _ref8.fillColor, |
|
fillColor = _ref8$fillColor === void 0 ? 'transparent' : _ref8$fillColor, |
|
_ref8$imageSmoothingE = _ref8.imageSmoothingEnabled, |
|
imageSmoothingEnabled = _ref8$imageSmoothingE === void 0 ? true : _ref8$imageSmoothingE, |
|
_ref8$imageSmoothingQ = _ref8.imageSmoothingQuality, |
|
imageSmoothingQuality = _ref8$imageSmoothingQ === void 0 ? 'low' : _ref8$imageSmoothingQ, |
|
_ref8$maxWidth = _ref8.maxWidth, |
|
maxWidth = _ref8$maxWidth === void 0 ? Infinity : _ref8$maxWidth, |
|
_ref8$maxHeight = _ref8.maxHeight, |
|
maxHeight = _ref8$maxHeight === void 0 ? Infinity : _ref8$maxHeight, |
|
_ref8$minWidth = _ref8.minWidth, |
|
minWidth = _ref8$minWidth === void 0 ? 0 : _ref8$minWidth, |
|
_ref8$minHeight = _ref8.minHeight, |
|
minHeight = _ref8$minHeight === void 0 ? 0 : _ref8$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 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]; |
|
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. |
|
*/ |
|
|
|
function getStringFromCharCode(dataView, start, length) { |
|
var str = ''; |
|
var i; |
|
length += start; |
|
|
|
for (i = start; i < length; i += 1) { |
|
str += fromCharCode(dataView.getUint8(i)); |
|
} |
|
|
|
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 chunks = []; |
|
var chunkSize = 8192; |
|
var uint8 = new Uint8Array(arrayBuffer); |
|
|
|
while (uint8.length > 0) { |
|
chunks.push(fromCharCode.apply(void 0, _toConsumableArray(uint8.subarray(0, chunkSize)))); |
|
uint8 = uint8.subarray(chunkSize); |
|
} |
|
|
|
return "data:".concat(mimeType, ";base64,").concat(btoa(chunks.join(''))); |
|
} |
|
/** |
|
* Get orientation value from given array buffer. |
|
* @param {ArrayBuffer} arrayBuffer - The array buffer to read. |
|
* @returns {number} The read orientation value. |
|
*/ |
|
|
|
function resetAndGetOrientation(arrayBuffer) { |
|
var dataView = new DataView(arrayBuffer); |
|
var orientation; |
|
var littleEndian; |
|
var app1Start; |
|
var ifdStart; // 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; |
|
} |
|
|
|
offset += 1; |
|
} |
|
} |
|
|
|
if (app1Start) { |
|
var exifIDCode = app1Start + 4; |
|
var tiffOffset = app1Start + 10; |
|
|
|
if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') { |
|
var endianness = dataView.getUint16(tiffOffset); |
|
littleEndian = endianness === 0x4949; |
|
|
|
if (littleEndian || endianness === 0x4D4D |
|
/* bigEndian */ |
|
) { |
|
if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) { |
|
var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian); |
|
|
|
if (firstIFDOffset >= 0x00000008) { |
|
ifdStart = tiffOffset + firstIFDOffset; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
if (ifdStart) { |
|
var _length = dataView.getUint16(ifdStart, littleEndian); |
|
|
|
var _offset; |
|
|
|
var i; |
|
|
|
for (i = 0; i < _length; i += 1) { |
|
_offset = ifdStart + i * 12 + 2; |
|
|
|
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; |
|
} |
|
} |
|
} |
|
|
|
return orientation; |
|
} |
|
/** |
|
* 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 { |
|
rotate: rotate, |
|
scaleX: scaleX, |
|
scaleY: scaleY |
|
}; |
|
} |
|
|
|
var render = { |
|
render: function render() { |
|
this.initContainer(); |
|
this.initCanvas(); |
|
this.initCropBox(); |
|
this.renderCanvas(); |
|
|
|
if (this.cropped) { |
|
this.renderCropBox(); |
|
} |
|
}, |
|
initContainer: function initContainer() { |
|
var element = this.element, |
|
options = this.options, |
|
container = this.container, |
|
cropper = this.cropper; |
|
addClass(cropper, CLASS_HIDDEN); |
|
removeClass(element, CLASS_HIDDEN); |
|
var containerData = { |
|
width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200), |
|
height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100) |
|
}; |
|
this.containerData = containerData; |
|
setStyle(cropper, { |
|
width: containerData.width, |
|
height: containerData.height |
|
}); |
|
addClass(element, CLASS_HIDDEN); |
|
removeClass(cropper, CLASS_HIDDEN); |
|
}, |
|
// Canvas (image wrapper) |
|
initCanvas: function initCanvas() { |
|
var containerData = this.containerData, |
|
imageData = this.imageData; |
|
var viewMode = this.options.viewMode; |
|
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 (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; |
|
} |
|
|
|
var canvasData = { |
|
aspectRatio: aspectRatio, |
|
naturalWidth: naturalWidth, |
|
naturalHeight: naturalHeight, |
|
width: canvasWidth, |
|
height: canvasHeight |
|
}; |
|
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); |
|
|
|
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; |
|
} |
|
} |
|
} |
|
|
|
var _getAdjustedSizes = getAdjustedSizes({ |
|
aspectRatio: aspectRatio, |
|
width: minCanvasWidth, |
|
height: minCanvasHeight |
|
}); |
|
|
|
minCanvasWidth = _getAdjustedSizes.width; |
|
minCanvasHeight = _getAdjustedSizes.height; |
|
canvasData.minWidth = minCanvasWidth; |
|
canvasData.minHeight = minCanvasHeight; |
|
canvasData.maxWidth = Infinity; |
|
canvasData.maxHeight = Infinity; |
|
} |
|
|
|
if (positionLimited) { |
|
if (viewMode > (cropped ? 0 : 1)) { |
|
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); |
|
} |
|
|
|
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 (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); |
|
} |
|
|
|
if (canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) { |
|
canvasData.left = canvasData.oldLeft; |
|
} |
|
|
|
if (canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) { |
|
canvasData.top = canvasData.oldTop; |
|
} |
|
|
|
canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth); |
|
canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight); |
|
this.limitCanvas(false, true); |
|
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 |
|
}))); |
|
this.renderImage(changed); |
|
|
|
if (this.cropped && this.limited) { |
|
this.limitCropBox(true, true); |
|
} |
|
}, |
|
renderImage: function renderImage(changed) { |
|
var canvasData = this.canvasData, |
|
imageData = this.imageData; |
|
var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth); |
|
var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight); |
|
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 || options.initialAspectRatio; |
|
var autoCropArea = Number(options.autoCropArea) || 0.8; |
|
var cropBoxData = { |
|
width: canvasData.width, |
|
height: canvasData.height |
|
}; |
|
|
|
if (aspectRatio) { |
|
if (canvasData.height * aspectRatio > canvasData.width) { |
|
cropBoxData.height = cropBoxData.width / aspectRatio; |
|
} else { |
|
cropBoxData.width = cropBoxData.height * aspectRatio; |
|
} |
|
} |
|
|
|
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 = limited ? Math.min(containerData.width, canvasData.width, canvasData.width + canvasData.left, containerData.width - canvasData.left) : containerData.width; |
|
var maxCropBoxHeight = limited ? Math.min(containerData.height, canvasData.height, canvasData.height + canvasData.top, containerData.height - canvasData.top) : 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 (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 (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) { |
|
maxCropBoxHeight = maxCropBoxWidth / aspectRatio; |
|
} else { |
|
maxCropBoxWidth = maxCropBoxHeight * aspectRatio; |
|
} |
|
} // 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 (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; |
|
|
|
if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) { |
|
cropBoxData.left = cropBoxData.oldLeft; |
|
} |
|
|
|
if (cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) { |
|
cropBoxData.top = cropBoxData.oldTop; |
|
} |
|
|
|
cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth); |
|
cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight); |
|
this.limitCropBox(false, true); |
|
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; |
|
|
|
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); |
|
} |
|
|
|
setStyle(this.cropBox, assign({ |
|
width: cropBoxData.width, |
|
height: cropBoxData.height |
|
}, getTransforms({ |
|
translateX: cropBoxData.left, |
|
translateY: cropBoxData.top |
|
}))); |
|
|
|
if (this.cropped && this.limited) { |
|
this.limitCanvas(true, true); |
|
} |
|
|
|
if (!this.disabled) { |
|
this.output(); |
|
} |
|
}, |
|
output: function output() { |
|
this.preview(); |
|
dispatchEvent(this.element, EVENT_CROP, this.getData()); |
|
} |
|
}; |
|
|
|
var preview = { |
|
initPreview: function initPreview() { |
|
var crossOrigin = this.crossOrigin; |
|
var preview = this.options.preview; |
|
var url = crossOrigin ? this.crossOriginUrl : this.url; |
|
var image = document.createElement('img'); |
|
|
|
if (crossOrigin) { |
|
image.crossOrigin = crossOrigin; |
|
} |
|
|
|
image.src = url; |
|
this.viewBox.appendChild(image); |
|
this.viewBoxImage = image; |
|
|
|
if (!preview) { |
|
return; |
|
} |
|
|
|
var previews = preview; |
|
|
|
if (typeof preview === 'string') { |
|
previews = this.element.ownerDocument.querySelectorAll(preview); |
|
} else if (preview.querySelector) { |
|
previews = [preview]; |
|
} |
|
|
|
this.previews = previews; |
|
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 |
|
}); |
|
|
|
if (crossOrigin) { |
|
img.crossOrigin = crossOrigin; |
|
} |
|
|
|
img.src = url; |
|
/** |
|
* 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 |
|
}); |
|
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; |
|
} |
|
|
|
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 |
|
}); |
|
setStyle(element.getElementsByTagName('img')[0], assign({ |
|
width: width * ratio, |
|
height: height * ratio |
|
}, getTransforms(assign({ |
|
translateX: -left * ratio, |
|
translateY: -top * ratio |
|
}, imageData)))); |
|
}); |
|
} |
|
}; |
|
|
|
var events = { |
|
bind: function bind() { |
|
var element = this.element, |
|
options = this.options, |
|
cropper = this.cropper; |
|
|
|
if (isFunction(options.cropstart)) { |
|
addListener(element, EVENT_CROP_START, options.cropstart); |
|
} |
|
|
|
if (isFunction(options.cropmove)) { |
|
addListener(element, EVENT_CROP_MOVE, options.cropmove); |
|
} |
|
|
|
if (isFunction(options.cropend)) { |
|
addListener(element, EVENT_CROP_END, options.cropend); |
|
} |
|
|
|
if (isFunction(options.crop)) { |
|
addListener(element, EVENT_CROP, options.crop); |
|
} |
|
|
|
if (isFunction(options.zoom)) { |
|
addListener(element, EVENT_ZOOM, options.zoom); |
|
} |
|
|
|
addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = this.cropStart.bind(this)); |
|
|
|
if (options.zoomable && options.zoomOnWheel) { |
|
addListener(cropper, EVENT_WHEEL, this.onWheel = this.wheel.bind(this)); |
|
} |
|
|
|
if (options.toggleDragModeOnDblclick) { |
|
addListener(cropper, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this)); |
|
} |
|
|
|
addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = this.cropMove.bind(this)); |
|
addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = this.cropEnd.bind(this)); |
|
|
|
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; |
|
|
|
if (isFunction(options.cropstart)) { |
|
removeListener(element, EVENT_CROP_START, options.cropstart); |
|
} |
|
|
|
if (isFunction(options.cropmove)) { |
|
removeListener(element, EVENT_CROP_MOVE, options.cropmove); |
|
} |
|
|
|
if (isFunction(options.cropend)) { |
|
removeListener(element, EVENT_CROP_END, options.cropend); |
|
} |
|
|
|
if (isFunction(options.crop)) { |
|
removeListener(element, EVENT_CROP, options.crop); |
|
} |
|
|
|
if (isFunction(options.zoom)) { |
|
removeListener(element, EVENT_ZOOM, options.zoom); |
|
} |
|
|
|
removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart); |
|
|
|
if (options.zoomable && options.zoomOnWheel) { |
|
removeListener(cropper, EVENT_WHEEL, this.onWheel); |
|
} |
|
|
|
if (options.toggleDragModeOnDblclick) { |
|
removeListener(cropper, EVENT_DBLCLICK, this.onDblclick); |
|
} |
|
|
|
removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove); |
|
removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd); |
|
|
|
if (options.responsive) { |
|
removeListener(window, EVENT_RESIZE, this.onResize); |
|
} |
|
} |
|
}; |
|
|
|
var handlers = { |
|
resize: function resize() { |
|
var options = this.options, |
|
container = this.container, |
|
containerData = this.containerData; |
|
var minContainerWidth = Number(options.minContainerWidth) || 200; |
|
var minContainerHeight = Number(options.minContainerHeight) || 100; |
|
|
|
if (this.disabled || containerData.width <= minContainerWidth || containerData.height <= minContainerHeight) { |
|
return; |
|
} |
|
|
|
var ratio = container.offsetWidth / containerData.width; // Resize when width changed or height changed |
|
|
|
if (ratio !== 1 || container.offsetHeight !== containerData.height) { |
|
var canvasData; |
|
var cropBoxData; |
|
|
|
if (options.restore) { |
|
canvasData = this.getCanvasData(); |
|
cropBoxData = this.getCropBoxData(); |
|
} |
|
|
|
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; |
|
} |
|
|
|
this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP); |
|
}, |
|
wheel: function wheel(e) { |
|
var _this = this; |
|
|
|
var ratio = Number(this.options.wheelZoomRatio) || 0.1; |
|
var delta = 1; |
|
|
|
if (this.disabled) { |
|
return; |
|
} |
|
|
|
e.preventDefault(); // Limit wheel speed to prevent zoom too fast (#21) |
|
|
|
if (this.wheeling) { |
|
return; |
|
} |
|
|
|
this.wheeling = true; |
|
setTimeout(function () { |
|
_this.wheeling = false; |
|
}, 50); |
|
|
|
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; |
|
} |
|
|
|
this.zoom(-delta * ratio, e); |
|
}, |
|
cropStart: function cropStart(e) { |
|
if (this.disabled) { |
|
return; |
|
} |
|
|
|
var options = this.options, |
|
pointers = this.pointers; |
|
var action; |
|
|
|
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; |
|
} // This line is required for preventing page zooming in iOS browsers |
|
|
|
|
|
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) { |
|
// The first parameter should not be undefined (#432) |
|
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 (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; // 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: |
|
} |
|
}; |
|
|
|
switch (action) { |
|
// Move crop box |
|
case ACTION_ALL: |
|
left += range.x; |
|
top += range.y; |
|
break; |
|
// Resize crop box |
|
|
|
case ACTION_EAST: |
|
if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) { |
|
renderable = false; |
|
break; |
|
} |
|
|
|
check(ACTION_EAST); |
|
width += range.x; |
|
|
|
if (width < 0) { |
|
action = ACTION_WEST; |
|
width = -width; |
|
left -= width; |
|
} |
|
|
|
if (aspectRatio) { |
|
height = width / aspectRatio; |
|
top += (cropBoxData.height - height) / 2; |
|
} |
|
|
|
break; |
|
|
|
case ACTION_NORTH: |
|
if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) { |
|
renderable = false; |
|
break; |
|
} |
|
|
|
check(ACTION_NORTH); |
|
height -= range.y; |
|
top += range.y; |
|
|
|
if (height < 0) { |
|
action = ACTION_SOUTH; |
|
height = -height; |
|
top -= height; |
|
} |
|
|
|
if (aspectRatio) { |
|
width = height * aspectRatio; |
|
left += (cropBoxData.width - width) / 2; |
|
} |
|
|
|
break; |
|
|
|
case ACTION_WEST: |
|
if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) { |
|
renderable = false; |
|
break; |
|
} |
|
|
|
check(ACTION_WEST); |
|
width -= range.x; |
|
left += range.x; |
|
|
|
if (width < 0) { |
|
action = ACTION_EAST; |
|
width = -width; |
|
left -= width; |
|
} |
|
|
|
if (aspectRatio) { |
|
height = width / aspectRatio; |
|
top += (cropBoxData.height - height) / 2; |
|
} |
|
|
|
break; |
|
|
|
case ACTION_SOUTH: |
|
if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) { |
|
renderable = false; |
|
break; |
|
} |
|
|
|
check(ACTION_SOUTH); |
|
height += range.y; |
|
|
|
if (height < 0) { |
|
action = ACTION_NORTH; |
|
height = -height; |
|
top -= height; |
|
} |
|
|
|
if (aspectRatio) { |
|
width = height * aspectRatio; |
|
left += (cropBoxData.width - width) / 2; |
|
} |
|
|
|
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 { |
|
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 (width < 0 && height < 0) { |
|
action = ACTION_SOUTH_WEST; |
|
height = -height; |
|
width = -width; |
|
top -= height; |
|
left -= width; |
|
} else if (width < 0) { |
|
action = ACTION_NORTH_WEST; |
|
width = -width; |
|
left -= width; |
|
} else if (height < 0) { |
|
action = ACTION_SOUTH_EAST; |
|
height = -height; |
|
top -= height; |
|
} |
|
|
|
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 += cropBoxData.width - width; |
|
} 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 (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_SOUTH_EAST; |
|
height = -height; |
|
width = -width; |
|
top -= height; |
|
left -= width; |
|
} else if (width < 0) { |
|
action = ACTION_NORTH_EAST; |
|
width = -width; |
|
left -= width; |
|
} else if (height < 0) { |
|
action = ACTION_SOUTH_WEST; |
|
height = -height; |
|
top -= height; |
|
} |
|
|
|
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; |
|
} |
|
} |
|
|
|
if (width < 0 && height < 0) { |
|
action = ACTION_NORTH_EAST; |
|
height = -height; |
|
width = -width; |
|
top -= height; |
|
left -= width; |
|
} else if (width < 0) { |
|
action = ACTION_SOUTH_EAST; |
|
width = -width; |
|
left -= width; |
|
} else if (height < 0) { |
|
action = ACTION_NORTH_WEST; |
|
height = -height; |
|
top -= height; |
|
} |
|
|
|
break; |
|
|
|
case ACTION_SOUTH_EAST: |
|
if (aspectRatio) { |
|
if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) { |
|
renderable = false; |
|
break; |
|
} |
|
|
|
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) { |
|
height += range.y; |
|
} |
|
} else { |
|
height += range.y; |
|
} |
|
} |
|
|
|
if (width < 0 && height < 0) { |
|
action = ACTION_NORTH_WEST; |
|
height = -height; |
|
width = -width; |
|
top -= height; |
|
left -= width; |
|
} else if (width < 0) { |
|
action = ACTION_SOUTH_WEST; |
|
width = -width; |
|
left -= width; |
|
} else if (height < 0) { |
|
action = ACTION_NORTH_EAST; |
|
height = -height; |
|
top -= height; |
|
} |
|
|
|
break; |
|
// Move canvas |
|
|
|
case ACTION_MOVE: |
|
this.move(range.x, range.y); |
|
renderable = false; |
|
break; |
|
// Zoom canvas |
|
|
|
case ACTION_ZOOM: |
|
this.zoom(getMaxZoomRatio(pointers), e); |
|
renderable = false; |
|
break; |
|
// 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 (renderable) { |
|
cropBoxData.width = width; |
|
cropBoxData.height = height; |
|
cropBoxData.left = left; |
|
cropBoxData.top = top; |
|
this.action = action; |
|
this.renderCropBox(); |
|
} // 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); |
|
|
|
if (this.options.modal) { |
|
addClass(this.dragBox, CLASS_MODAL); |
|
} |
|
|
|
removeClass(this.cropBox, CLASS_HIDDEN); |
|
this.setCropBoxData(this.initialCropBoxData); |
|
} |
|
|
|
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(); |
|
|
|
if (this.cropped) { |
|
this.renderCropBox(); |
|
} |
|
} |
|
|
|
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); // Render canvas after crop box rendered |
|
|
|
this.renderCanvas(); |
|
removeClass(this.dragBox, CLASS_MODAL); |
|
addClass(this.cropBox, CLASS_HIDDEN); |
|
} |
|
|
|
return this; |
|
}, |
|
|
|
/** |
|
* 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; |
|
|
|
if (!this.disabled && url) { |
|
if (this.isImg) { |
|
this.element.src = url; |
|
} |
|
|
|
if (hasSameSize) { |
|
this.url = url; |
|
this.image.src = url; |
|
|
|
if (this.ready) { |
|
this.viewBoxImage.src = url; |
|
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); |
|
} |
|
} |
|
|
|
return this; |
|
}, |
|
// Enable (unfreeze) the cropper |
|
enable: function enable() { |
|
if (this.ready && this.disabled) { |
|
this.disabled = false; |
|
removeClass(this.cropper, CLASS_DISABLED); |
|
} |
|
|
|
return this; |
|
}, |
|
// Disable (freeze) the cropper |
|
disable: function disable() { |
|
if (this.ready && !this.disabled) { |
|
this.disabled = true; |
|
addClass(this.cropper, CLASS_DISABLED); |
|
} |
|
|
|
return this; |
|
}, |
|
|
|
/** |
|
* Destroy the cropper and remove the instance from the image |
|
* @returns {Cropper} this |
|
*/ |
|
destroy: function destroy() { |
|
var element = this.element; |
|
|
|
if (!element[NAMESPACE]) { |
|
return this; |
|
} |
|
|
|
element[NAMESPACE] = undefined; |
|
|
|
if (this.isImg && this.replaced) { |
|
element.src = this.originalUrl; |
|
} |
|
|
|
this.uncreate(); |
|
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 _this$canvasData = this.canvasData, |
|
left = _this$canvasData.left, |
|
top = _this$canvasData.top; |
|
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; |
|
x = Number(x); |
|
y = Number(y); |
|
|
|
if (this.ready && !this.disabled && this.options.movable) { |
|
if (isNumber(x)) { |
|
canvasData.left = x; |
|
changed = true; |
|
} |
|
|
|
if (isNumber(y)) { |
|
canvasData.top = y; |
|
changed = true; |
|
} |
|
|
|
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; |
|
ratio = Number(ratio); |
|
|
|
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; |
|
ratio = Number(ratio); |
|
|
|
if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) { |
|
var newWidth = naturalWidth * ratio; |
|
var newHeight = naturalHeight * ratio; |
|
|
|
if (dispatchEvent(this.element, EVENT_ZOOM, { |
|
ratio: ratio, |
|
oldRatio: width / naturalWidth, |
|
originalEvent: _originalEvent |
|
}) === false) { |
|
return this; |
|
} |
|
|
|
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; |
|
} |
|
|
|
canvasData.width = newWidth; |
|
canvasData.height = newHeight; |
|
this.renderCanvas(true); |
|
} |
|
|
|
return this; |
|
}, |
|
|
|
/** |
|
* 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); |
|
} |
|
|
|
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; |
|
return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1); |
|
}, |
|
|
|
/** |
|
* 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.scale(isNumber(scaleX) ? scaleX : 1, _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; |
|
var transformed = false; |
|
scaleX = Number(scaleX); |
|
scaleY = Number(scaleY); |
|
|
|
if (this.ready && !this.disabled && this.options.scalable) { |
|
if (isNumber(scaleX)) { |
|
imageData.scaleX = scaleX; |
|
transformed = true; |
|
} |
|
|
|
if (isNumber(scaleY)) { |
|
imageData.scaleY = scaleY; |
|
transformed = true; |
|
} |
|
|
|
if (transformed) { |
|
this.renderCanvas(true, true); |
|
} |
|
} |
|
|
|
return this; |
|
}, |
|
|
|
/** |
|
* 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$$1() { |
|
var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; |
|
var options = this.options, |
|
imageData = this.imageData, |
|
canvasData = this.canvasData, |
|
cropBoxData = this.cropBoxData; |
|
var data; |
|
|
|
if (this.ready && this.cropped) { |
|
data = { |
|
x: cropBoxData.left - canvasData.left, |
|
y: cropBoxData.top - canvasData.top, |
|
width: cropBoxData.width, |
|
height: cropBoxData.height |
|
}; |
|
var ratio = imageData.width / imageData.naturalWidth; |
|
forEach(data, function (n, i) { |
|
data[i] = n / ratio; |
|
}); |
|
|
|
if (rounded) { |
|
// In case rounding off leads to extra 1px in right or bottom border |
|
// we should round the top-left corner and the dimension (#343). |
|
var bottom = Math.round(data.y + data.height); |
|
var right = Math.round(data.x + data.width); |
|
data.x = Math.round(data.x); |
|
data.y = Math.round(data.y); |
|
data.width = right - data.x; |
|
data.height = bottom - data.y; |
|
} |
|
} else { |
|
data = { |
|
x: 0, |
|
y: 0, |
|
width: 0, |
|
height: 0 |
|
}; |
|
} |
|
|
|
if (options.rotatable) { |
|
data.rotate = imageData.rotate || 0; |
|
} |
|
|
|
if (options.scalable) { |
|
data.scaleX = imageData.scaleX || 1; |
|
data.scaleY = imageData.scaleY || 1; |
|
} |
|
|
|
return data; |
|
}, |
|
|
|
/** |
|
* Set the cropped area position and size with new data |
|
* @param {Object} data - The new data. |
|
* @returns {Cropper} this |
|
*/ |
|
setData: function setData$$1(data) { |
|
var options = this.options, |
|
imageData = this.imageData, |
|
canvasData = this.canvasData; |
|
var cropBoxData = {}; |
|
|
|
if (this.ready && !this.disabled && isPlainObject(data)) { |
|
var transformed = false; |
|
|
|
if (options.rotatable) { |
|
if (isNumber(data.rotate) && data.rotate !== imageData.rotate) { |
|
imageData.rotate = data.rotate; |
|
transformed = true; |
|
} |
|
} |
|
|
|
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; |
|
} |
|
} |
|
|
|
if (transformed) { |
|
this.renderCanvas(true, true); |
|
} |
|
|
|
var ratio = imageData.width / imageData.naturalWidth; |
|
|
|
if (isNumber(data.x)) { |
|
cropBoxData.left = data.x * ratio + canvasData.left; |
|
} |
|
|
|
if (isNumber(data.y)) { |
|
cropBoxData.top = data.y * ratio + canvasData.top; |
|
} |
|
|
|
if (isNumber(data.width)) { |
|
cropBoxData.width = data.width * ratio; |
|
} |
|
|
|
if (isNumber(data.height)) { |
|
cropBoxData.height = data.height * ratio; |
|
} |
|
|
|
this.setCropBoxData(cropBoxData); |
|
} |
|
|
|
return this; |
|
}, |
|
|
|
/** |
|
* Get the container size data. |
|
* @returns {Object} The result container data. |
|
*/ |
|
getContainerData: function getContainerData() { |
|
return this.ready ? assign({}, this.containerData) : {}; |
|
}, |
|
|
|
/** |
|
* Get the image position and size data. |
|
* @returns {Object} The result image data. |
|
*/ |
|
getImageData: function getImageData() { |
|
return this.sized ? assign({}, this.imageData) : {}; |
|
}, |
|
|
|
/** |
|
* 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) { |
|
forEach(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) { |
|
data[n] = canvasData[n]; |
|
}); |
|
} |
|
|
|
return data; |
|
}, |
|
|
|
/** |
|
* 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; |
|
|
|
if (this.ready && !this.disabled && isPlainObject(data)) { |
|
if (isNumber(data.left)) { |
|
canvasData.left = data.left; |
|
} |
|
|
|
if (isNumber(data.top)) { |
|
canvasData.top = data.top; |
|
} |
|
|
|
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); |
|
} |
|
|
|
return this; |
|
}, |
|
|
|
/** |
|
* Get the crop box position and size data. |
|
* @returns {Object} The result crop box data. |
|
*/ |
|
getCropBoxData: function getCropBoxData() { |
|
var cropBoxData = this.cropBoxData; |
|
var data; |
|
|
|
if (this.ready && this.cropped) { |
|
data = { |
|
left: cropBoxData.left, |
|
top: cropBoxData.top, |
|
width: cropBoxData.width, |
|
height: cropBoxData.height |
|
}; |
|
} |
|
|
|
return data || {}; |
|
}, |
|
|
|
/** |
|
* 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 widthChanged; |
|
var heightChanged; |
|
|
|
if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) { |
|
if (isNumber(data.left)) { |
|
cropBoxData.left = data.left; |
|
} |
|
|
|
if (isNumber(data.top)) { |
|
cropBoxData.top = data.top; |
|
} |
|
|
|
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; |
|
} |
|
|
|
if (aspectRatio) { |
|
if (widthChanged) { |
|
cropBoxData.height = cropBoxData.width / aspectRatio; |
|
} else if (heightChanged) { |
|
cropBoxData.width = cropBoxData.height * aspectRatio; |
|
} |
|
} |
|
|
|
this.renderCropBox(); |
|
} |
|
|
|
return this; |
|
}, |
|
|
|
/** |
|
* 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; |
|
} |
|
|
|
var canvasData = this.canvasData; |
|
var source = getSourceCanvas(this.image, this.imageData, canvasData, options); // Returns the source canvas if it is not cropped. |
|
|
|
if (!this.cropped) { |
|
return source; |
|
} |
|
|
|
var _this$getData = this.getData(), |
|
initialX = _this$getData.x, |
|
initialY = _this$getData.y, |
|
initialWidth = _this$getData.width, |
|
initialHeight = _this$getData.height; |
|
|
|
var ratio = source.width / Math.floor(canvasData.naturalWidth); |
|
|
|
if (ratio !== 1) { |
|
initialX *= ratio; |
|
initialY *= ratio; |
|
initialWidth *= ratio; |
|
initialHeight *= ratio; |
|
} |
|
|
|
var aspectRatio = initialWidth / initialHeight; |
|
var maxSizes = getAdjustedSizes({ |
|
aspectRatio: aspectRatio, |
|
width: options.maxWidth || Infinity, |
|
height: options.maxHeight || Infinity |
|
}); |
|
var minSizes = getAdjustedSizes({ |
|
aspectRatio: aspectRatio, |
|
width: options.minWidth || 0, |
|
height: options.minHeight || 0 |
|
}, 'cover'); |
|
|
|
var _getAdjustedSizes = getAdjustedSizes({ |
|
aspectRatio: aspectRatio, |
|
width: options.width || (ratio !== 1 ? source.width : initialWidth), |
|
height: options.height || (ratio !== 1 ? source.height : initialHeight) |
|
}), |
|
width = _getAdjustedSizes.width, |
|
height = _getAdjustedSizes.height; |
|
|
|
width = Math.min(maxSizes.width, Math.max(minSizes.width, width)); |
|
height = Math.min(maxSizes.height, Math.max(minSizes.height, height)); |
|
var canvas = document.createElement('canvas'); |
|
var context = canvas.getContext('2d'); |
|
canvas.width = normalizeDecimalNumber(width); |
|
canvas.height = normalizeDecimalNumber(height); |
|
context.fillStyle = options.fillColor || 'transparent'; |
|
context.fillRect(0, 0, width, height); |
|
var _options$imageSmoothi = options.imageSmoothingEnabled, |
|
imageSmoothingEnabled = _options$imageSmoothi === void 0 ? true : _options$imageSmoothi, |
|
imageSmoothingQuality = options.imageSmoothingQuality; |
|
context.imageSmoothingEnabled = imageSmoothingEnabled; |
|
|
|
if (imageSmoothingQuality) { |
|
context.imageSmoothingQuality = imageSmoothingQuality; |
|
} // 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; |
|
var srcHeight; // Destination canvas parameters |
|
|
|
var dstX; |
|
var dstY; |
|
var dstWidth; |
|
var dstHeight; |
|
|
|
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; |
|
} |
|
|
|
var params = [srcX, srcY, srcWidth, srcHeight]; // Avoid "IndexSizeError" |
|
|
|
if (dstWidth > 0 && dstHeight > 0) { |
|
var scale = width / initialWidth; |
|
params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale); |
|
} // 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; |
|
}, |
|
|
|
/** |
|
* 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.ready) { |
|
this.initCropBox(); |
|
|
|
if (this.cropped) { |
|
this.renderCropBox(); |
|
} |
|
} |
|
} |
|
|
|
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; |
|
|
|
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; |
|
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); |
|
} |
|
} |
|
|
|
return this; |
|
} |
|
}; |
|
|
|
var AnotherCropper = WINDOW.Cropper; |
|
|
|
var Cropper = |
|
/*#__PURE__*/ |
|
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 <img> or <canvas> element.'); |
|
} |
|
|
|
this.element = element; |
|
this.options = assign({}, DEFAULTS, isPlainObject(options) && options); |
|
this.cropped = false; |
|
this.disabled = false; |
|
this.pointers = {}; |
|
this.ready = false; |
|
this.reloading = false; |
|
this.replaced = false; |
|
this.sized = false; |
|
this.sizing = false; |
|
this.init(); |
|
} |
|
|
|
_createClass(Cropper, [{ |
|
key: "init", |
|
value: function init() { |
|
var element = this.element; |
|
var tagName = element.tagName.toLowerCase(); |
|
var url; |
|
|
|
if (element[NAMESPACE]) { |
|
return; |
|
} |
|
|
|
element[NAMESPACE] = this; |
|
|
|
if (tagName === 'img') { |
|
this.isImg = true; // e.g.: "img/picture.jpg" |
|
|
|
url = element.getAttribute('src') || ''; |
|
this.originalUrl = url; // Stop when it's a blank image |
|
|
|
if (!url) { |
|
return; |
|
} // e.g.: "http://example.com/img/picture.jpg" |
|
|
|
|
|
url = element.src; |
|
} else if (tagName === 'canvas' && window.HTMLCanvasElement) { |
|
url = element.toDataURL(); |
|
} |
|
|
|
this.load(url); |
|
} |
|
}, { |
|
key: "load", |
|
value: function load(url) { |
|
var _this = this; |
|
|
|
if (!url) { |
|
return; |
|
} |
|
|
|
this.url = url; |
|
this.imageData = {}; |
|
var element = this.element, |
|
options = this.options; |
|
|
|
if (!options.rotatable && !options.scalable) { |
|
options.checkOrientation = false; |
|
} // Only IE10+ supports Typed Arrays |
|
|
|
|
|
if (!options.checkOrientation || !window.ArrayBuffer) { |
|
this.clone(); |
|
return; |
|
} // XMLHttpRequest disallows to open a Data URL in some browsers like IE11 and Safari |
|
|
|
|
|
if (REGEXP_DATA_URL.test(url)) { |
|
if (REGEXP_DATA_URL_JPEG.test(url)) { |
|
this.read(dataURLToArrayBuffer(url)); |
|
} else { |
|
this.clone(); |
|
} |
|
|
|
return; |
|
} |
|
|
|
var xhr = new XMLHttpRequest(); |
|
var clone = this.clone.bind(this); |
|
this.reloading = true; |
|
this.xhr = xhr; |
|
xhr.ontimeout = clone; |
|
xhr.onabort = clone; |
|
xhr.onerror = clone; |
|
|
|
xhr.onprogress = function () { |
|
if (xhr.getResponseHeader('content-type') !== MIME_TYPE_JPEG) { |
|
xhr.abort(); |
|
} |
|
}; |
|
|
|
xhr.onload = function () { |
|
_this.read(xhr.response); |
|
}; |
|
|
|
xhr.onloadend = function () { |
|
_this.reloading = false; |
|
_this.xhr = null; |
|
}; // Bust cache when there is a "crossOrigin" property to avoid browser cache error |
|
|
|
|
|
if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) { |
|
url = addTimestamp(url); |
|
} |
|
|
|
xhr.open('GET', url); |
|
xhr.responseType = 'arraybuffer'; |
|
xhr.withCredentials = element.crossOrigin === 'use-credentials'; |
|
xhr.send(); |
|
} |
|
}, { |
|
key: "read", |
|
value: function read(arrayBuffer) { |
|
var options = this.options, |
|
imageData = this.imageData; |
|
var orientation = resetAndGetOrientation(arrayBuffer); |
|
var rotate = 0; |
|
var scaleX = 1; |
|
var scaleY = 1; |
|
|
|
if (orientation > 1) { |
|
// Generate a new Data URL with the orientation value set to 1 |
|
// as some iOS browsers will render image with its orientation |
|
this.url = arrayBufferToDataURL(arrayBuffer, MIME_TYPE_JPEG); |
|
|
|
var _parseOrientation = parseOrientation(orientation); |
|
|
|
rotate = _parseOrientation.rotate; |
|
scaleX = _parseOrientation.scaleX; |
|
scaleY = _parseOrientation.scaleY; |
|
} |
|
|
|
if (options.rotatable) { |
|
imageData.rotate = rotate; |
|
} |
|
|
|
if (options.scalable) { |
|
imageData.scaleX = scaleX; |
|
imageData.scaleY = scaleY; |
|
} |
|
|
|
this.clone(); |
|
} |
|
}, { |
|
key: "clone", |
|
value: function clone() { |
|
var element = this.element, |
|
url = this.url; |
|
var crossOrigin; |
|
var crossOriginUrl; |
|
|
|
if (this.options.checkCrossOrigin && isCrossOriginURL(url)) { |
|
crossOrigin = element.crossOrigin; |
|
|
|
if (crossOrigin) { |
|
crossOriginUrl = url; |
|
} else { |
|
crossOrigin = 'anonymous'; // Bust cache when there is not a "crossOrigin" property |
|
|
|
crossOriginUrl = addTimestamp(url); |
|
} |
|
} |
|
|
|
this.crossOrigin = crossOrigin; |
|
this.crossOriginUrl = crossOriginUrl; |
|
var image = document.createElement('img'); |
|
|
|
if (crossOrigin) { |
|
image.crossOrigin = crossOrigin; |
|
} |
|
|
|
image.src = crossOriginUrl || url; |
|
this.image = image; |
|
image.onload = this.start.bind(this); |
|
image.onerror = this.stop.bind(this); |
|
addClass(image, CLASS_HIDE); |
|
element.parentNode.insertBefore(image, element.nextSibling); |
|
} |
|
}, { |
|
key: "start", |
|
value: function start() { |
|
var _this2 = this; |
|
|
|
var image = this.isImg ? this.element : this.image; |
|
image.onload = null; |
|
image.onerror = null; |
|
this.sizing = true; |
|
var IS_SAFARI = WINDOW.navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(WINDOW.navigator.userAgent); |
|
|
|
var done = function done(naturalWidth, naturalHeight) { |
|
assign(_this2.imageData, { |
|
naturalWidth: naturalWidth, |
|
naturalHeight: naturalHeight, |
|
aspectRatio: naturalWidth / naturalHeight |
|
}); |
|
_this2.sizing = false; |
|
_this2.sized = true; |
|
|
|
_this2.build(); |
|
}; // Modern browsers (except Safari) |
|
|
|
|
|
if (image.naturalWidth && !IS_SAFARI) { |
|
done(image.naturalWidth, image.naturalHeight); |
|
return; |
|
} |
|
|
|
var sizingImage = document.createElement('img'); |
|
var body = document.body || document.documentElement; |
|
this.sizingImage = sizingImage; |
|
|
|
sizingImage.onload = function () { |
|
done(sizingImage.width, sizingImage.height); |
|
|
|
if (!IS_SAFARI) { |
|
body.removeChild(sizingImage); |
|
} |
|
}; |
|
|
|
sizingImage.src = image.src; // iOS Safari will convert the image automatically |
|
// with its orientation once append it into DOM (#279) |
|
|
|
if (!IS_SAFARI) { |
|
sizingImage.style.cssText = 'left:0;' + 'max-height:none!important;' + 'max-width:none!important;' + 'min-height:0!important;' + 'min-width:0!important;' + 'opacity:0;' + 'position:absolute;' + 'top:0;' + 'z-index:-1;'; |
|
body.appendChild(sizingImage); |
|
} |
|
} |
|
}, { |
|
key: "stop", |
|
value: function stop() { |
|
var image = this.image; |
|
image.onload = null; |
|
image.onerror = null; |
|
image.parentNode.removeChild(image); |
|
this.image = null; |
|
} |
|
}, { |
|
key: "build", |
|
value: function build() { |
|
if (!this.sized || this.ready) { |
|
return; |
|
} |
|
|
|
var element = this.element, |
|
options = this.options, |
|
image = this.image; // Create cropper elements |
|
|
|
var container = element.parentNode; |
|
var template = document.createElement('div'); |
|
template.innerHTML = TEMPLATE; |
|
var cropper = template.querySelector(".".concat(NAMESPACE, "-container")); |
|
var canvas = cropper.querySelector(".".concat(NAMESPACE, "-canvas")); |
|
var dragBox = cropper.querySelector(".".concat(NAMESPACE, "-drag-box")); |
|
var cropBox = cropper.querySelector(".".concat(NAMESPACE, "-crop-box")); |
|
var face = cropBox.querySelector(".".concat(NAMESPACE, "-face")); |
|
this.container = container; |
|
this.cropper = cropper; |
|
this.canvas = canvas; |
|
this.dragBox = dragBox; |
|
this.cropBox = cropBox; |
|
this.viewBox = cropper.querySelector(".".concat(NAMESPACE, "-view-box")); |
|
this.face = face; |
|
canvas.appendChild(image); // Hide the original image |
|
|
|
addClass(element, CLASS_HIDDEN); // Inserts the cropper after to the current image |
|
|
|
container.insertBefore(cropper, element.nextSibling); // Show the image if is hidden |
|
|
|
if (!this.isImg) { |
|
removeClass(image, CLASS_HIDE); |
|
} |
|
|
|
this.initPreview(); |
|
this.bind(); |
|
options.initialAspectRatio = Math.max(0, options.initialAspectRatio) || NaN; |
|
options.aspectRatio = Math.max(0, options.aspectRatio) || NaN; |
|
options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0; |
|
addClass(cropBox, CLASS_HIDDEN); |
|
|
|
if (!options.guides) { |
|
addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-dashed")), CLASS_HIDDEN); |
|
} |
|
|
|
if (!options.center) { |
|
addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-center")), CLASS_HIDDEN); |
|
} |
|
|
|
if (options.background) { |
|
addClass(cropper, "".concat(NAMESPACE, "-bg")); |
|
} |
|
|
|
if (!options.highlight) { |
|
addClass(face, CLASS_INVISIBLE); |
|
} |
|
|
|
if (options.cropBoxMovable) { |
|
addClass(face, CLASS_MOVE); |
|
setData(face, DATA_ACTION, ACTION_ALL); |
|
} |
|
|
|
if (!options.cropBoxResizable) { |
|
addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-line")), CLASS_HIDDEN); |
|
addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-point")), CLASS_HIDDEN); |
|
} |
|
|
|
this.render(); |
|
this.ready = true; |
|
this.setDragMode(options.dragMode); |
|
|
|
if (options.autoCrop) { |
|
this.crop(); |
|
} |
|
|
|
this.setData(options.data); |
|
|
|
if (isFunction(options.ready)) { |
|
addListener(element, EVENT_READY, options.ready, { |
|
once: true |
|
}); |
|
} |
|
|
|
dispatchEvent(element, EVENT_READY); |
|
} |
|
}, { |
|
key: "unbuild", |
|
value: function unbuild() { |
|
if (!this.ready) { |
|
return; |
|
} |
|
|
|
this.ready = false; |
|
this.unbind(); |
|
this.resetPreview(); |
|
this.cropper.parentNode.removeChild(this.cropper); |
|
removeClass(this.element, CLASS_HIDDEN); |
|
} |
|
}, { |
|
key: "uncreate", |
|
value: function uncreate() { |
|
if (this.ready) { |
|
this.unbuild(); |
|
this.ready = false; |
|
this.cropped = false; |
|
} else if (this.sizing) { |
|
this.sizingImage.onload = null; |
|
this.sizing = false; |
|
this.sized = false; |
|
} else if (this.reloading) { |
|
this.xhr.onabort = null; |
|
this.xhr.abort(); |
|
} else if (this.image) { |
|
this.stop(); |
|
} |
|
} |
|
/** |
|
* Get the no conflict cropper class. |
|
* @returns {Cropper} The cropper class. |
|
*/ |
|
|
|
}], [{ |
|
key: "noConflict", |
|
value: function noConflict() { |
|
window.Cropper = AnotherCropper; |
|
return Cropper; |
|
} |
|
/** |
|
* Change the default options. |
|
* @param {Object} options - The new default options. |
|
*/ |
|
|
|
}, { |
|
key: "setDefaults", |
|
value: function setDefaults(options) { |
|
assign(DEFAULTS, isPlainObject(options) && options); |
|
} |
|
}]); |
|
|
|
return Cropper; |
|
}(); |
|
|
|
assign(Cropper.prototype, render, preview, events, handlers, change, methods); |
|
|
|
return Cropper; |
|
|
|
})));
|
|
|