File: /var/www/compelsupport/wp-content/themes/compel/assets/plugins/cropper/js/cropper.js
/*!
* Cropper v3.1.3
* https://github.com/fengyuanchen/cropper
*
* Copyright (c) 2014-2017 Chen Fengyuan
* Released under the MIT license
*
* Date: 2017-10-21T10:04:29.734Z
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('jquery')) :
typeof define === 'function' && define.amd ? define(['jquery'], factory) :
(factory(global.jQuery));
}(this, (function ($) { 'use strict';
$ = $ && $.hasOwnProperty('default') ? $['default'] : $;
var WINDOW = typeof window !== 'undefined' ? window : {};
var NAMESPACE = 'cropper';
// Actions
var ACTION_ALL = 'all';
var ACTION_CROP = 'crop';
var ACTION_MOVE = 'move';
var ACTION_ZOOM = 'zoom';
var ACTION_EAST = 'e';
var ACTION_WEST = 'w';
var ACTION_SOUTH = 's';
var ACTION_NORTH = 'n';
var ACTION_NORTH_EAST = 'ne';
var ACTION_NORTH_WEST = 'nw';
var ACTION_SOUTH_EAST = 'se';
var ACTION_SOUTH_WEST = 'sw';
// Classes
var CLASS_CROP = NAMESPACE + '-crop';
var CLASS_DISABLED = NAMESPACE + '-disabled';
var CLASS_HIDDEN = NAMESPACE + '-hidden';
var CLASS_HIDE = NAMESPACE + '-hide';
var CLASS_INVISIBLE = NAMESPACE + '-invisible';
var CLASS_MODAL = NAMESPACE + '-modal';
var CLASS_MOVE = NAMESPACE + '-move';
// Data keys
var DATA_ACTION = 'action';
var DATA_PREVIEW = 'preview';
// Drag modes
var DRAG_MODE_CROP = 'crop';
var DRAG_MODE_MOVE = 'move';
var DRAG_MODE_NONE = 'none';
// Events
var EVENT_CROP = 'crop';
var EVENT_CROP_END = 'cropend';
var EVENT_CROP_MOVE = 'cropmove';
var EVENT_CROP_START = 'cropstart';
var EVENT_DBLCLICK = 'dblclick';
var EVENT_ERROR = 'error';
var EVENT_LOAD = 'load';
var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown';
var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove';
var EVENT_POINTER_UP = WINDOW.PointerEvent ? ' pointerup pointercancel' : 'touchend touchcancel mouseup';
var EVENT_READY = 'ready';
var EVENT_RESIZE = 'resize';
var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
var EVENT_ZOOM = 'zoom';
// RegExps
var REGEXP_ACTIONS = /^(e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;
var REGEXP_DATA_URL = /^data:/;
var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
var REGEXP_TAG_NAME = /^(img|canvas)$/i;
var DEFAULTS = {
// Define the view mode of the cropper
viewMode: 0, // 0, 1, 2, 3
// Define the dragging mode of the cropper
dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none'
// Define the aspect ratio of the crop box
aspectRatio: NaN,
// An object with the previous cropping result data
data: null,
// A selector for adding extra containers to preview
preview: '',
// Re-render the cropper when resize the window
responsive: true,
// Restore the cropped area after resize the window
restore: true,
// Check if the current image is a cross-origin image
checkCrossOrigin: true,
// Check the current image's Exif Orientation information
checkOrientation: true,
// Show the black modal
modal: true,
// Show the dashed lines for guiding
guides: true,
// Show the center indicator for guiding
center: true,
// Show the white modal to highlight the crop box
highlight: true,
// Show the grid background
background: true,
// Enable to crop the image automatically when initialize
autoCrop: true,
// Define the percentage of automatic cropping area when initializes
autoCropArea: 0.8,
// Enable to move the image
movable: true,
// Enable to rotate the image
rotatable: true,
// Enable to scale the image
scalable: true,
// Enable to zoom the image
zoomable: true,
// Enable to zoom the image by dragging touch
zoomOnTouch: true,
// Enable to zoom the image by wheeling mouse
zoomOnWheel: true,
// Define zoom ratio when zoom the image by wheeling mouse
wheelZoomRatio: 0.1,
// Enable to move the crop box
cropBoxMovable: true,
// Enable to resize the crop box
cropBoxResizable: true,
// Toggle drag mode between "crop" and "move" when click twice on the cropper
toggleDragModeOnDblclick: true,
// Size limitation
minCanvasWidth: 0,
minCanvasHeight: 0,
minCropBoxWidth: 0,
minCropBoxHeight: 0,
minContainerWidth: 200,
minContainerHeight: 100,
// Shortcuts of events
ready: null,
cropstart: null,
cropmove: null,
cropend: null,
crop: null,
zoom: null
};
var TEMPLATE = '<div class="cropper-container">' + '<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-action="e"></span>' + '<span class="cropper-line line-n" data-action="n"></span>' + '<span class="cropper-line line-w" data-action="w"></span>' + '<span class="cropper-line line-s" data-action="s"></span>' + '<span class="cropper-point point-e" data-action="e"></span>' + '<span class="cropper-point point-n" data-action="n"></span>' + '<span class="cropper-point point-w" data-action="w"></span>' + '<span class="cropper-point point-s" data-action="s"></span>' + '<span class="cropper-point point-ne" data-action="ne"></span>' + '<span class="cropper-point point-nw" data-action="nw"></span>' + '<span class="cropper-point point-sw" data-action="sw"></span>' + '<span class="cropper-point point-se" data-action="se"></span>' + '</div>' + '</div>';
function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
/**
* Check if the given value is a string.
* @param {*} value - The value to check.
* @returns {boolean} Returns `true` if the given value is a string, else `false`.
*/
function isString(value) {
return typeof value === 'string';
}
/**
* Check if the given value is not a number.
*/
var isNaN = Number.isNaN || WINDOW.isNaN;
/**
* Check if the given value is a number.
* @param {*} value - The value to check.
* @returns {boolean} Returns `true` if the given value is a number, else `false`.
*/
function isNumber(value) {
return typeof value === 'number' && !isNaN(value);
}
/**
* Check if the given value is undefined.
* @param {*} value - The value to check.
* @returns {boolean} Returns `true` if the given value is undefined, else `false`.
*/
function isUndefined(value) {
return typeof value === 'undefined';
}
/**
* Takes a function and returns a new one that will always have a particular context.
* Custom proxy to avoid jQuery's guid.
* @param {Function} fn - The target function.
* @param {Object} context - The new context for the function.
* @returns {Function} The new function.
*/
function proxy(fn, context) {
for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
args[_key - 2] = arguments[_key];
}
return function () {
for (var _len2 = arguments.length, args2 = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args2[_key2] = arguments[_key2];
}
return fn.apply(context, args.concat(args2));
};
}
/**
* Get the own enumerable properties of a given object.
* @param {Object} obj - The target object.
* @returns {Array} All the own enumerable properties of the given object.
*/
var objectKeys = Object.keys || function objectKeys(obj) {
var keys = [];
$.each(obj, function (key) {
keys.push(key);
});
return keys;
};
var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i;
/**
* Normalize decimal number.
* Check out {@link http://0.30000000000000004.com/ }
* @param {number} value - The value to normalize.
* @param {number} [times=100000000000] - The times for normalizing.
* @returns {number} Returns the normalized number.
*/
function normalizeDecimalNumber(value) {
var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;
return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;
}
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=' + new Date().getTime();
return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
}
/**
* Get transform values base on the given object.
* @param {Object} obj - The target object.
* @returns {string} A string contains transform values.
*/
function getTransformValues(_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(' + translateX + 'px)');
}
if (isNumber(translateY) && translateY !== 0) {
values.push('translateY(' + translateY + 'px)');
}
// Rotate should come first before scale to match orientation transform
if (isNumber(rotate) && rotate !== 0) {
values.push('rotate(' + rotate + 'deg)');
}
if (isNumber(scaleX) && scaleX !== 1) {
values.push('scaleX(' + scaleX + ')');
}
if (isNumber(scaleY) && scaleY !== 1) {
values.push('scaleY(' + scaleY + ')');
}
return values.length ? values.join(' ') : 'none';
}
var navigator = WINDOW.navigator;
var IS_SAFARI_OR_UIWEBVIEW = navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent);
/**
* Get an image's natural sizes.
* @param {string} image - The target image.
* @param {Function} callback - The callback function.
*/
function getImageNaturalSizes(image, callback) {
// Modern browsers (except Safari)
if (image.naturalWidth && !IS_SAFARI_OR_UIWEBVIEW) {
callback(image.naturalWidth, image.naturalHeight);
return;
}
var newImage = document.createElement('img');
newImage.onload = function () {
callback(newImage.width, newImage.height);
};
newImage.src = image.src;
}
/**
* 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 = $.extend({}, pointers);
var ratios = [];
$.each(pointers, function (pointerId, pointer) {
delete pointers2[pointerId];
$.each(pointers2, function (pointerId2, 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
};
if (endOnly) {
return end;
}
return $.extend({
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;
$.each(pointers, function (pointerId, _ref3) {
var startX = _ref3.startX,
startY = _ref3.startY;
pageX += startX;
pageY += startY;
count += 1;
});
pageX /= count;
pageY /= count;
return {
pageX: pageX,
pageY: pageY
};
}
/**
* Check if the given value is a finite number.
*/
var isFinite = Number.isFinite || WINDOW.isFinite;
/**
* Get the max sizes in a rectangle under the given aspect ratio.
* @param {Object} data - The original sizes.
* @returns {Object} The result sizes.
*/
function getContainSizes(_ref4) {
var aspectRatio = _ref4.aspectRatio,
height = _ref4.height,
width = _ref4.width;
var isValidNumber = function isValidNumber(value) {
return isFinite(value) && value > 0;
};
if (isValidNumber(width) && isValidNumber(height)) {
if (height * aspectRatio > width) {
height = width / aspectRatio;
} else {
width = height * aspectRatio;
}
} else if (isValidNumber(width)) {
height = width / aspectRatio;
} else if (isValidNumber(height)) {
width = height * aspectRatio;
}
return {
width: width,
height: height
};
}
/**
* Get the new sizes of a rectangle after rotated.
* @param {Object} data - The original sizes.
* @returns {Object} The result sizes.
*/
function getRotatedSizes(_ref5) {
var width = _ref5.width,
height = _ref5.height,
degree = _ref5.degree;
degree = Math.abs(degree);
if (degree % 180 === 90) {
return {
width: height,
height: width
};
}
var arc = degree % 90 * Math.PI / 180;
var sinArc = Math.sin(arc);
var cosArc = Math.cos(arc);
return {
width: width * cosArc + height * sinArc,
height: width * sinArc + height * cosArc
};
}
/**
* Get a canvas which drew the given image.
* @param {HTMLImageElement} image - The image for drawing.
* @param {Object} imageData - The image data.
* @param {Object} canvasData - The canvas data.
* @param {Object} options - The options.
* @returns {HTMLCanvasElement} The result canvas.
*/
function getSourceCanvas(image, _ref6, _ref7, _ref8) {
var imageNaturalWidth = _ref6.naturalWidth,
imageNaturalHeight = _ref6.naturalHeight,
_ref6$rotate = _ref6.rotate,
rotate = _ref6$rotate === undefined ? 0 : _ref6$rotate,
_ref6$scaleX = _ref6.scaleX,
scaleX = _ref6$scaleX === undefined ? 1 : _ref6$scaleX,
_ref6$scaleY = _ref6.scaleY,
scaleY = _ref6$scaleY === undefined ? 1 : _ref6$scaleY;
var aspectRatio = _ref7.aspectRatio,
naturalWidth = _ref7.naturalWidth,
naturalHeight = _ref7.naturalHeight;
var _ref8$fillColor = _ref8.fillColor,
fillColor = _ref8$fillColor === undefined ? 'transparent' : _ref8$fillColor,
_ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
imageSmoothingEnabled = _ref8$imageSmoothingE === undefined ? true : _ref8$imageSmoothingE,
_ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
imageSmoothingQuality = _ref8$imageSmoothingQ === undefined ? 'low' : _ref8$imageSmoothingQ,
_ref8$maxWidth = _ref8.maxWidth,
maxWidth = _ref8$maxWidth === undefined ? Infinity : _ref8$maxWidth,
_ref8$maxHeight = _ref8.maxHeight,
maxHeight = _ref8$maxHeight === undefined ? Infinity : _ref8$maxHeight,
_ref8$minWidth = _ref8.minWidth,
minWidth = _ref8$minWidth === undefined ? 0 : _ref8$minWidth,
_ref8$minHeight = _ref8.minHeight,
minHeight = _ref8$minHeight === undefined ? 0 : _ref8$minHeight;
var maxSizes = getContainSizes({
aspectRatio: aspectRatio,
width: maxWidth,
height: maxHeight
});
var minSizes = getContainSizes({
aspectRatio: aspectRatio,
width: minWidth,
height: minHeight
});
var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));
var canvas = document.createElement('canvas');
var context = canvas.getContext('2d');
var params = [-imageNaturalWidth / 2, -imageNaturalHeight / 2, imageNaturalWidth, imageNaturalHeight];
canvas.width = normalizeDecimalNumber(width);
canvas.height = normalizeDecimalNumber(height);
context.fillStyle = fillColor;
context.fillRect(0, 0, width, height);
context.save();
context.translate(width / 2, height / 2);
context.rotate(rotate * Math.PI / 180);
context.scale(scaleX, scaleY);
context.imageSmoothingEnabled = !!imageSmoothingEnabled;
context.imageSmoothingQuality = imageSmoothingQuality;
context.drawImage.apply(context, [image].concat(_toConsumableArray($.map(params, 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 = void 0;
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);
$.each(uint8, function (i) {
uint8[i] = binary.charCodeAt(i);
});
return arrayBuffer;
}
/**
* Transform array buffer to Data URL.
* @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
* @param {string} mimeType - The mime type of the Data URL.
* @returns {string} The result Data URL.
*/
function arrayBufferToDataURL(arrayBuffer, mimeType) {
var uint8 = new Uint8Array(arrayBuffer);
var data = '';
// TypedArray.prototype.forEach is not supported in some browsers.
$.each(uint8, function (i, value) {
data += fromCharCode(value);
});
return 'data:' + mimeType + ';base64,' + btoa(data);
}
/**
* Get orientation value from given array buffer.
* @param {ArrayBuffer} arrayBuffer - The array buffer to read.
* @returns {number} The read orientation value.
*/
function getOrientation(arrayBuffer) {
var dataView = new DataView(arrayBuffer);
var orientation = void 0;
var littleEndian = void 0;
var app1Start = void 0;
var ifdStart = void 0;
// Only handle JPEG image (start by 0xFFD8)
if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
var length = dataView.byteLength;
var offset = 2;
while (offset < length) {
if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
app1Start = offset;
break;
}
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 = void 0;
var i = void 0;
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;
$cropper.addClass(CLASS_HIDDEN);
$element.removeClass(CLASS_HIDDEN);
$cropper.css(this.container = {
width: Math.max($container.width(), Number(options.minContainerWidth) || 200),
height: Math.max($container.height(), Number(options.minContainerHeight) || 100)
});
$element.addClass(CLASS_HIDDEN);
$cropper.removeClass(CLASS_HIDDEN);
},
// Canvas (image wrapper)
initCanvas: function initCanvas() {
var container = this.container,
image = this.image;
var viewMode = this.options.viewMode;
var rotated = Math.abs(image.rotate) % 180 === 90;
var naturalWidth = rotated ? image.naturalHeight : image.naturalWidth;
var naturalHeight = rotated ? image.naturalWidth : image.naturalHeight;
var aspectRatio = naturalWidth / naturalHeight;
var canvasWidth = container.width;
var canvasHeight = container.height;
if (container.height * aspectRatio > container.width) {
if (viewMode === 3) {
canvasWidth = container.height * aspectRatio;
} else {
canvasHeight = container.width / aspectRatio;
}
} else if (viewMode === 3) {
canvasHeight = container.width / aspectRatio;
} else {
canvasWidth = container.height * aspectRatio;
}
var canvas = {
aspectRatio: aspectRatio,
naturalWidth: naturalWidth,
naturalHeight: naturalHeight,
width: canvasWidth,
height: canvasHeight
};
canvas.left = (container.width - canvasWidth) / 2;
canvas.top = (container.height - canvasHeight) / 2;
canvas.oldLeft = canvas.left;
canvas.oldTop = canvas.top;
this.canvas = canvas;
this.limited = viewMode === 1 || viewMode === 2;
this.limitCanvas(true, true);
this.initialImage = $.extend({}, image);
this.initialCanvas = $.extend({}, canvas);
},
limitCanvas: function limitCanvas(isSizeLimited, isPositionLimited) {
var options = this.options,
container = this.container,
canvas = this.canvas,
cropBox = this.cropBox;
var viewMode = options.viewMode;
var aspectRatio = canvas.aspectRatio;
var cropped = this.cropped && cropBox;
if (isSizeLimited) {
var minCanvasWidth = Number(options.minCanvasWidth) || 0;
var minCanvasHeight = Number(options.minCanvasHeight) || 0;
if (viewMode > 0) {
if (viewMode > 1) {
minCanvasWidth = Math.max(minCanvasWidth, container.width);
minCanvasHeight = Math.max(minCanvasHeight, container.height);
if (viewMode === 3) {
if (minCanvasHeight * aspectRatio > minCanvasWidth) {
minCanvasWidth = minCanvasHeight * aspectRatio;
} else {
minCanvasHeight = minCanvasWidth / aspectRatio;
}
}
} else if (minCanvasWidth) {
minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBox.width : 0);
} else if (minCanvasHeight) {
minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBox.height : 0);
} else if (cropped) {
minCanvasWidth = cropBox.width;
minCanvasHeight = cropBox.height;
if (minCanvasHeight * aspectRatio > minCanvasWidth) {
minCanvasWidth = minCanvasHeight * aspectRatio;
} else {
minCanvasHeight = minCanvasWidth / aspectRatio;
}
}
}
var _getContainSizes = getContainSizes({
aspectRatio: aspectRatio,
width: minCanvasWidth,
height: minCanvasHeight
});
minCanvasWidth = _getContainSizes.width;
minCanvasHeight = _getContainSizes.height;
canvas.minWidth = minCanvasWidth;
canvas.minHeight = minCanvasHeight;
canvas.maxWidth = Infinity;
canvas.maxHeight = Infinity;
}
if (isPositionLimited) {
if (viewMode > 0) {
var newCanvasLeft = container.width - canvas.width;
var newCanvasTop = container.height - canvas.height;
canvas.minLeft = Math.min(0, newCanvasLeft);
canvas.minTop = Math.min(0, newCanvasTop);
canvas.maxLeft = Math.max(0, newCanvasLeft);
canvas.maxTop = Math.max(0, newCanvasTop);
if (cropped && this.limited) {
canvas.minLeft = Math.min(cropBox.left, cropBox.left + cropBox.width - canvas.width);
canvas.minTop = Math.min(cropBox.top, cropBox.top + cropBox.height - canvas.height);
canvas.maxLeft = cropBox.left;
canvas.maxTop = cropBox.top;
if (viewMode === 2) {
if (canvas.width >= container.width) {
canvas.minLeft = Math.min(0, newCanvasLeft);
canvas.maxLeft = Math.max(0, newCanvasLeft);
}
if (canvas.height >= container.height) {
canvas.minTop = Math.min(0, newCanvasTop);
canvas.maxTop = Math.max(0, newCanvasTop);
}
}
}
} else {
canvas.minLeft = -canvas.width;
canvas.minTop = -canvas.height;
canvas.maxLeft = container.width;
canvas.maxTop = container.height;
}
}
},
renderCanvas: function renderCanvas(changed, transformed) {
var canvas = this.canvas,
image = this.image;
if (transformed) {
var _getRotatedSizes = getRotatedSizes({
width: image.naturalWidth * Math.abs(image.scaleX || 1),
height: image.naturalHeight * Math.abs(image.scaleY || 1),
degree: image.rotate || 0
}),
naturalWidth = _getRotatedSizes.width,
naturalHeight = _getRotatedSizes.height;
var width = canvas.width * (naturalWidth / canvas.naturalWidth);
var height = canvas.height * (naturalHeight / canvas.naturalHeight);
canvas.left -= (width - canvas.width) / 2;
canvas.top -= (height - canvas.height) / 2;
canvas.width = width;
canvas.height = height;
canvas.aspectRatio = naturalWidth / naturalHeight;
canvas.naturalWidth = naturalWidth;
canvas.naturalHeight = naturalHeight;
this.limitCanvas(true, false);
}
if (canvas.width > canvas.maxWidth || canvas.width < canvas.minWidth) {
canvas.left = canvas.oldLeft;
}
if (canvas.height > canvas.maxHeight || canvas.height < canvas.minHeight) {
canvas.top = canvas.oldTop;
}
canvas.width = Math.min(Math.max(canvas.width, canvas.minWidth), canvas.maxWidth);
canvas.height = Math.min(Math.max(canvas.height, canvas.minHeight), canvas.maxHeight);
this.limitCanvas(false, true);
canvas.left = Math.min(Math.max(canvas.left, canvas.minLeft), canvas.maxLeft);
canvas.top = Math.min(Math.max(canvas.top, canvas.minTop), canvas.maxTop);
canvas.oldLeft = canvas.left;
canvas.oldTop = canvas.top;
this.$canvas.css({
width: canvas.width,
height: canvas.height,
transform: getTransformValues({
translateX: canvas.left,
translateY: canvas.top
})
});
this.renderImage(changed);
if (this.cropped && this.limited) {
this.limitCropBox(true, true);
}
},
renderImage: function renderImage(changed) {
var canvas = this.canvas,
image = this.image;
var width = image.naturalWidth * (canvas.width / canvas.naturalWidth);
var height = image.naturalHeight * (canvas.height / canvas.naturalHeight);
$.extend(image, {
width: width,
height: height,
left: (canvas.width - width) / 2,
top: (canvas.height - height) / 2
});
this.$clone.css({
width: image.width,
height: image.height,
transform: getTransformValues($.extend({
translateX: image.left,
translateY: image.top
}, image))
});
if (changed) {
this.output();
}
},
initCropBox: function initCropBox() {
var options = this.options,
canvas = this.canvas;
var aspectRatio = options.aspectRatio;
var autoCropArea = Number(options.autoCropArea) || 0.8;
var cropBox = {
width: canvas.width,
height: canvas.height
};
if (aspectRatio) {
if (canvas.height * aspectRatio > canvas.width) {
cropBox.height = cropBox.width / aspectRatio;
} else {
cropBox.width = cropBox.height * aspectRatio;
}
}
this.cropBox = cropBox;
this.limitCropBox(true, true);
// Initialize auto crop area
cropBox.width = Math.min(Math.max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
cropBox.height = Math.min(Math.max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);
// The width of auto crop area must large than "minWidth", and the height too. (#164)
cropBox.width = Math.max(cropBox.minWidth, cropBox.width * autoCropArea);
cropBox.height = Math.max(cropBox.minHeight, cropBox.height * autoCropArea);
cropBox.left = canvas.left + (canvas.width - cropBox.width) / 2;
cropBox.top = canvas.top + (canvas.height - cropBox.height) / 2;
cropBox.oldLeft = cropBox.left;
cropBox.oldTop = cropBox.top;
this.initialCropBox = $.extend({}, cropBox);
},
limitCropBox: function limitCropBox(isSizeLimited, isPositionLimited) {
var options = this.options,
container = this.container,
canvas = this.canvas,
cropBox = this.cropBox,
limited = this.limited;
var aspectRatio = options.aspectRatio;
if (isSizeLimited) {
var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
var maxCropBoxWidth = Math.min(container.width, limited ? canvas.width : container.width);
var maxCropBoxHeight = Math.min(container.height, limited ? canvas.height : container.height);
// The min/maxCropBoxWidth/Height must be less than container's width/Height
minCropBoxWidth = Math.min(minCropBoxWidth, container.width);
minCropBoxHeight = Math.min(minCropBoxHeight, container.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
cropBox.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
cropBox.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
cropBox.maxWidth = maxCropBoxWidth;
cropBox.maxHeight = maxCropBoxHeight;
}
if (isPositionLimited) {
if (limited) {
cropBox.minLeft = Math.max(0, canvas.left);
cropBox.minTop = Math.max(0, canvas.top);
cropBox.maxLeft = Math.min(container.width, canvas.left + canvas.width) - cropBox.width;
cropBox.maxTop = Math.min(container.height, canvas.top + canvas.height) - cropBox.height;
} else {
cropBox.minLeft = 0;
cropBox.minTop = 0;
cropBox.maxLeft = container.width - cropBox.width;
cropBox.maxTop = container.height - cropBox.height;
}
}
},
renderCropBox: function renderCropBox() {
var options = this.options,
container = this.container,
cropBox = this.cropBox;
if (cropBox.width > cropBox.maxWidth || cropBox.width < cropBox.minWidth) {
cropBox.left = cropBox.oldLeft;
}
if (cropBox.height > cropBox.maxHeight || cropBox.height < cropBox.minHeight) {
cropBox.top = cropBox.oldTop;
}
cropBox.width = Math.min(Math.max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
cropBox.height = Math.min(Math.max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);
this.limitCropBox(false, true);
cropBox.left = Math.min(Math.max(cropBox.left, cropBox.minLeft), cropBox.maxLeft);
cropBox.top = Math.min(Math.max(cropBox.top, cropBox.minTop), cropBox.maxTop);
cropBox.oldLeft = cropBox.left;
cropBox.oldTop = cropBox.top;
if (options.movable && options.cropBoxMovable) {
// Turn to move the canvas when the crop box is equal to the container
this.$face.data(DATA_ACTION, cropBox.width >= container.width && cropBox.height >= container.height ? ACTION_MOVE : ACTION_ALL);
}
this.$cropBox.css({
width: cropBox.width,
height: cropBox.height,
transform: getTransformValues({
translateX: cropBox.left,
translateY: cropBox.top
})
});
if (this.cropped && this.limited) {
this.limitCanvas(true, true);
}
if (!this.disabled) {
this.output();
}
},
output: function output() {
this.preview();
if (this.completed) {
this.trigger(EVENT_CROP, this.getData());
}
}
};
var preview = {
initPreview: function initPreview() {
var crossOrigin = this.crossOrigin;
var url = crossOrigin ? this.crossOriginUrl : this.url;
var image = document.createElement('img');
if (crossOrigin) {
image.crossOrigin = crossOrigin;
}
image.src = url;
var $clone2 = $(image);
this.$preview = $(this.options.preview);
this.$clone2 = $clone2;
this.$viewBox.html($clone2);
this.$preview.each(function (i, element) {
var $element = $(element);
var img = document.createElement('img');
// Save the original size for recover
$element.data(DATA_PREVIEW, {
width: $element.width(),
height: $element.height(),
html: $element.html()
});
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;"';
$element.html(img);
});
},
resetPreview: function resetPreview() {
this.$preview.each(function (i, element) {
var $element = $(element);
var data = $element.data(DATA_PREVIEW);
$element.css({
width: data.width,
height: data.height
}).html(data.html).removeData(DATA_PREVIEW);
});
},
preview: function preview() {
var image = this.image,
canvas = this.canvas,
cropBox = this.cropBox;
var cropBoxWidth = cropBox.width,
cropBoxHeight = cropBox.height;
var width = image.width,
height = image.height;
var left = cropBox.left - canvas.left - image.left;
var top = cropBox.top - canvas.top - image.top;
if (!this.cropped || this.disabled) {
return;
}
this.$clone2.css({
width: width,
height: height,
transform: getTransformValues($.extend({
translateX: -left,
translateY: -top
}, image))
});
this.$preview.each(function (i, element) {
var $element = $(element);
var data = $element.data(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;
}
$element.css({
width: newWidth,
height: newHeight
}).find('img').css({
width: width * ratio,
height: height * ratio,
transform: getTransformValues($.extend({
translateX: -left * ratio,
translateY: -top * ratio
}, image))
});
});
}
};
var events = {
bind: function bind() {
var $element = this.$element,
options = this.options,
$cropper = this.$cropper;
if ($.isFunction(options.cropstart)) {
$element.on(EVENT_CROP_START, options.cropstart);
}
if ($.isFunction(options.cropmove)) {
$element.on(EVENT_CROP_MOVE, options.cropmove);
}
if ($.isFunction(options.cropend)) {
$element.on(EVENT_CROP_END, options.cropend);
}
if ($.isFunction(options.crop)) {
$element.on(EVENT_CROP, options.crop);
}
if ($.isFunction(options.zoom)) {
$element.on(EVENT_ZOOM, options.zoom);
}
$cropper.on(EVENT_POINTER_DOWN, proxy(this.cropStart, this));
if (options.zoomable && options.zoomOnWheel) {
$cropper.on(EVENT_WHEEL, proxy(this.wheel, this));
}
if (options.toggleDragModeOnDblclick) {
$cropper.on(EVENT_DBLCLICK, proxy(this.dblclick, this));
}
$(document).on(EVENT_POINTER_MOVE, this.onCropMove = proxy(this.cropMove, this)).on(EVENT_POINTER_UP, this.onCropEnd = proxy(this.cropEnd, this));
if (options.responsive) {
$(window).on(EVENT_RESIZE, this.onResize = proxy(this.resize, this));
}
},
unbind: function unbind() {
var $element = this.$element,
options = this.options,
$cropper = this.$cropper;
if ($.isFunction(options.cropstart)) {
$element.off(EVENT_CROP_START, options.cropstart);
}
if ($.isFunction(options.cropmove)) {
$element.off(EVENT_CROP_MOVE, options.cropmove);
}
if ($.isFunction(options.cropend)) {
$element.off(EVENT_CROP_END, options.cropend);
}
if ($.isFunction(options.crop)) {
$element.off(EVENT_CROP, options.crop);
}
if ($.isFunction(options.zoom)) {
$element.off(EVENT_ZOOM, options.zoom);
}
$cropper.off(EVENT_POINTER_DOWN, this.cropStart);
if (options.zoomable && options.zoomOnWheel) {
$cropper.off(EVENT_WHEEL, this.wheel);
}
if (options.toggleDragModeOnDblclick) {
$cropper.off(EVENT_DBLCLICK, this.dblclick);
}
$(document).off(EVENT_POINTER_MOVE, this.onCropMove).off(EVENT_POINTER_UP, this.onCropEnd);
if (options.responsive) {
$(window).off(EVENT_RESIZE, this.onResize);
}
}
};
var handlers = {
resize: function resize() {
var options = this.options,
$container = this.$container,
container = this.container;
var minContainerWidth = Number(options.minContainerWidth) || 200;
var minContainerHeight = Number(options.minContainerHeight) || 100;
if (this.disabled || container.width <= minContainerWidth || container.height <= minContainerHeight) {
return;
}
var ratio = $container.width() / container.width;
// Resize when width changed or height changed
if (ratio !== 1 || $container.height() !== container.height) {
var canvasData = void 0;
var cropBoxData = void 0;
if (options.restore) {
canvasData = this.getCanvasData();
cropBoxData = this.getCropBoxData();
}
this.render();
if (options.restore) {
this.setCanvasData($.each(canvasData, function (i, n) {
canvasData[i] = n * ratio;
}));
this.setCropBoxData($.each(cropBoxData, function (i, n) {
cropBoxData[i] = n * ratio;
}));
}
}
},
dblclick: function dblclick() {
if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
return;
}
this.setDragMode(this.$dragBox.hasClass(CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
},
wheel: function wheel(event) {
var _this = this;
var e = event.originalEvent || event;
var ratio = Number(this.options.wheelZoomRatio) || 0.1;
if (this.disabled) {
return;
}
event.preventDefault();
// Limit wheel speed to prevent zoom too fast
if (this.wheeling) {
return;
}
this.wheeling = true;
setTimeout(function () {
_this.wheeling = false;
}, 50);
var delta = 1;
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, event);
},
cropStart: function cropStart(e) {
if (this.disabled) {
return;
}
var options = this.options,
pointers = this.pointers;
var originalEvent = e.originalEvent;
var action = void 0;
if (originalEvent && originalEvent.changedTouches) {
// Handle touch event
$.each(originalEvent.changedTouches, function (i, touch) {
pointers[touch.identifier] = getPointer(touch);
});
} else {
// Handle mouse event and pointer event
pointers[originalEvent && originalEvent.pointerId || 0] = getPointer(originalEvent || e);
}
if (objectKeys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
action = ACTION_ZOOM;
} else {
action = $(e.target).data(DATA_ACTION);
}
if (!REGEXP_ACTIONS.test(action)) {
return;
}
if (this.trigger(EVENT_CROP_START, {
originalEvent: originalEvent,
action: action
}).isDefaultPrevented()) {
return;
}
e.preventDefault();
this.action = action;
this.cropping = false;
if (action === ACTION_CROP) {
this.cropping = true;
this.$dragBox.addClass(CLASS_MODAL);
}
},
cropMove: function cropMove(e) {
var action = this.action;
if (this.disabled || !action) {
return;
}
var pointers = this.pointers;
var originalEvent = e.originalEvent;
e.preventDefault();
if (this.trigger(EVENT_CROP_MOVE, {
originalEvent: originalEvent,
action: action
}).isDefaultPrevented()) {
return;
}
if (originalEvent && originalEvent.changedTouches) {
$.each(originalEvent.changedTouches, function (i, touch) {
$.extend(pointers[touch.identifier], getPointer(touch, true));
});
} else {
$.extend(pointers[originalEvent && originalEvent.pointerId || 0], getPointer(originalEvent || e, true));
}
this.change(e);
},
cropEnd: function cropEnd(e) {
if (this.disabled) {
return;
}
var action = this.action;
var pointers = this.pointers;
var originalEvent = e.originalEvent;
if (originalEvent && originalEvent.changedTouches) {
$.each(originalEvent.changedTouches, function (i, touch) {
delete pointers[touch.identifier];
});
} else {
delete pointers[originalEvent && originalEvent.pointerId || 0];
}
if (!action) {
return;
}
e.preventDefault();
if (!objectKeys(pointers).length) {
this.action = '';
}
if (this.cropping) {
this.cropping = false;
this.$dragBox.toggleClass(CLASS_MODAL, this.cropped && this.options.modal);
}
this.trigger(EVENT_CROP_END, {
originalEvent: originalEvent,
action: action
});
}
};
var change = {
change: function change(e) {
var options = this.options,
pointers = this.pointers,
container = this.container,
canvas = this.canvas,
cropBox = this.cropBox;
var action = this.action;
var aspectRatio = options.aspectRatio;
var left = cropBox.left,
top = cropBox.top,
width = cropBox.width,
height = cropBox.height;
var right = left + width;
var bottom = top + height;
var minLeft = 0;
var minTop = 0;
var maxWidth = container.width;
var maxHeight = container.height;
var renderable = true;
var offset = void 0;
// Locking aspect ratio in "free mode" by holding shift key (#259)
if (!aspectRatio && e.shiftKey) {
aspectRatio = width && height ? width / height : 1;
}
if (this.limited) {
minLeft = cropBox.minLeft;
minTop = cropBox.minTop;
maxWidth = minLeft + Math.min(container.width, canvas.width, canvas.left + canvas.width);
maxHeight = minTop + Math.min(container.height, canvas.height, canvas.top + canvas.height);
}
var pointer = pointers[objectKeys(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 (aspectRatio) {
height = width / aspectRatio;
top -= range.x / aspectRatio / 2;
}
if (width < 0) {
action = ACTION_WEST;
width = 0;
}
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 (aspectRatio) {
width = height * aspectRatio;
left += range.y * aspectRatio / 2;
}
if (height < 0) {
action = ACTION_SOUTH;
height = 0;
}
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 (aspectRatio) {
height = width / aspectRatio;
top += range.x / aspectRatio / 2;
}
if (width < 0) {
action = ACTION_EAST;
width = 0;
}
break;
case ACTION_SOUTH:
if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {
renderable = false;
break;
}
check(ACTION_SOUTH);
height += range.y;
if (aspectRatio) {
width = height * aspectRatio;
left -= range.y * aspectRatio / 2;
}
if (height < 0) {
action = ACTION_NORTH;
height = 0;
}
break;
case ACTION_NORTH_EAST:
if (aspectRatio) {
if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
renderable = false;
break;
}
check(ACTION_NORTH);
height -= range.y;
top += range.y;
width = height * aspectRatio;
} else {
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 = 0;
width = 0;
} else if (width < 0) {
action = ACTION_NORTH_WEST;
width = 0;
} else if (height < 0) {
action = ACTION_SOUTH_EAST;
height = 0;
}
break;
case ACTION_NORTH_WEST:
if (aspectRatio) {
if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
renderable = false;
break;
}
check(ACTION_NORTH);
height -= range.y;
top += range.y;
width = height * aspectRatio;
left += range.y * aspectRatio;
} else {
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 = 0;
width = 0;
} else if (width < 0) {
action = ACTION_NORTH_EAST;
width = 0;
} else if (height < 0) {
action = ACTION_SOUTH_WEST;
height = 0;
}
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 = 0;
width = 0;
} else if (width < 0) {
action = ACTION_SOUTH_EAST;
width = 0;
} else if (height < 0) {
action = ACTION_NORTH_WEST;
height = 0;
}
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 = 0;
width = 0;
} else if (width < 0) {
action = ACTION_SOUTH_WEST;
width = 0;
} else if (height < 0) {
action = ACTION_NORTH_EAST;
height = 0;
}
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.originalEvent);
renderable = false;
break;
// Create crop box
case ACTION_CROP:
if (!range.x || !range.y) {
renderable = false;
break;
}
offset = this.$cropper.offset();
left = pointer.startX - offset.left;
top = pointer.startY - offset.top;
width = cropBox.minWidth;
height = cropBox.minHeight;
if (range.x > 0) {
action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
} else if (range.x < 0) {
left -= width;
action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
}
if (range.y < 0) {
top -= height;
}
// Show the crop box if is hidden
if (!this.cropped) {
this.$cropBox.removeClass(CLASS_HIDDEN);
this.cropped = true;
if (this.limited) {
this.limitCropBox(true, true);
}
}
break;
default:
}
if (renderable) {
cropBox.width = width;
cropBox.height = height;
cropBox.left = left;
cropBox.top = top;
this.action = action;
this.renderCropBox();
}
// Override
$.each(pointers, function (i, p) {
p.startX = p.endX;
p.startY = p.endY;
});
}
};
function _toConsumableArray$1(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
var methods = {
// Show the crop box manually
crop: function crop() {
if (!this.ready || this.disabled) {
return;
}
if (!this.cropped) {
this.cropped = true;
this.limitCropBox(true, true);
if (this.options.modal) {
this.$dragBox.addClass(CLASS_MODAL);
}
this.$cropBox.removeClass(CLASS_HIDDEN);
}
this.setCropBoxData(this.initialCropBox);
},
// Reset the image and crop box to their initial states
reset: function reset() {
if (!this.ready || this.disabled) {
return;
}
this.image = $.extend({}, this.initialImage);
this.canvas = $.extend({}, this.initialCanvas);
this.cropBox = $.extend({}, this.initialCropBox);
this.renderCanvas();
if (this.cropped) {
this.renderCropBox();
}
},
// Clear the crop box
clear: function clear() {
if (!this.cropped || this.disabled) {
return;
}
$.extend(this.cropBox, {
left: 0,
top: 0,
width: 0,
height: 0
});
this.cropped = false;
this.renderCropBox();
this.limitCanvas(true, true);
// Render canvas after crop box rendered
this.renderCanvas();
this.$dragBox.removeClass(CLASS_MODAL);
this.$cropBox.addClass(CLASS_HIDDEN);
},
/**
* Replace the image's src and rebuild the cropper
* @param {string} url - The new URL.
* @param {boolean} [onlyColorChanged] - Indicate if the new image only changed color.
*/
replace: function replace(url, onlyColorChanged) {
if (!this.disabled && url) {
if (this.isImg) {
this.$element.attr('src', url);
}
if (onlyColorChanged) {
this.url = url;
this.$clone.attr('src', url);
if (this.ready) {
this.$preview.find('img').add(this.$clone2).attr('src', url);
}
} else {
if (this.isImg) {
this.replaced = true;
}
// Clear previous data
this.options.data = null;
this.load(url);
}
}
},
// Enable (unfreeze) the cropper
enable: function enable() {
if (this.ready) {
this.disabled = false;
this.$cropper.removeClass(CLASS_DISABLED);
}
},
// Disable (freeze) the cropper
disable: function disable() {
if (this.ready) {
this.disabled = true;
this.$cropper.addClass(CLASS_DISABLED);
}
},
// Destroy the cropper and remove the instance from the image
destroy: function destroy() {
var $element = this.$element;
if (this.loaded) {
if (this.isImg && this.replaced) {
$element.attr('src', this.originalUrl);
}
this.unbuild();
$element.removeClass(CLASS_HIDDEN);
} else if (this.isImg) {
$element.off(EVENT_LOAD, this.start);
} else if (this.$clone) {
this.$clone.remove();
}
$element.removeData(NAMESPACE);
},
/**
* Move the canvas with relative offsets
* @param {number} offsetX - The relative offset distance on the x-axis.
* @param {number} offsetY - The relative offset distance on the y-axis.
*/
move: function move(offsetX, offsetY) {
var _canvas = this.canvas,
left = _canvas.left,
top = _canvas.top;
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.
*/
moveTo: function moveTo(x, y) {
var canvas = this.canvas;
var changed = false;
// If "y" is not present, its default value is "x"
if (isUndefined(y)) {
y = x;
}
x = Number(x);
y = Number(y);
if (this.ready && !this.disabled && this.options.movable) {
if (isNumber(x)) {
canvas.left = x;
changed = true;
}
if (isNumber(y)) {
canvas.top = y;
changed = true;
}
if (changed) {
this.renderCanvas(true);
}
}
},
/**
* Zoom the canvas with a relative ratio
* @param {Number} ratio - The target ratio.
* @param {Event} _event - The related event if any.
*/
zoom: function zoom(ratio, _event) {
var canvas = this.canvas;
ratio = Number(ratio);
if (ratio < 0) {
ratio = 1 / (1 - ratio);
} else {
ratio = 1 + ratio;
}
this.zoomTo(canvas.width * ratio / canvas.naturalWidth, _event);
},
/**
* Zoom the canvas to an absolute ratio
* @param {number} ratio - The target ratio.
* @param {Event} _event - The related event if any.
*/
zoomTo: function zoomTo(ratio, _event) {
var options = this.options,
pointers = this.pointers,
canvas = this.canvas;
var width = canvas.width,
height = canvas.height,
naturalWidth = canvas.naturalWidth,
naturalHeight = canvas.naturalHeight;
ratio = Number(ratio);
if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
var newWidth = naturalWidth * ratio;
var newHeight = naturalHeight * ratio;
var originalEvent = void 0;
if (_event) {
originalEvent = _event.originalEvent;
}
if (this.trigger(EVENT_ZOOM, {
originalEvent: originalEvent,
oldRatio: width / naturalWidth,
ratio: newWidth / naturalWidth
}).isDefaultPrevented()) {
return;
}
if (originalEvent) {
var offset = this.$cropper.offset();
var center = pointers && objectKeys(pointers).length ? getPointersCenter(pointers) : {
pageX: _event.pageX || originalEvent.pageX || 0,
pageY: _event.pageY || originalEvent.pageY || 0
};
// Zoom from the triggering point of the event
canvas.left -= (newWidth - width) * ((center.pageX - offset.left - canvas.left) / width);
canvas.top -= (newHeight - height) * ((center.pageY - offset.top - canvas.top) / height);
} else {
// Zoom from the center of the canvas
canvas.left -= (newWidth - width) / 2;
canvas.top -= (newHeight - height) / 2;
}
canvas.width = newWidth;
canvas.height = newHeight;
this.renderCanvas(true);
}
},
/**
* Rotate the canvas with a relative degree
* @param {number} degree - The rotate degree.
*/
rotate: function rotate(degree) {
this.rotateTo((this.image.rotate || 0) + Number(degree));
},
/**
* Rotate the canvas to an absolute degree
* @param {number} degree - The rotate degree.
*/
rotateTo: function rotateTo(degree) {
degree = Number(degree);
if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
this.image.rotate = degree % 360;
this.renderCanvas(true, true);
}
},
/**
* Scale the image on the x-axis.
* @param {number} scaleX - The scale ratio on the x-axis.
*/
scaleX: function scaleX(_scaleX) {
var scaleY = this.image.scaleY;
this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
},
/**
* Scale the image on the y-axis.
* @param {number} scaleY - The scale ratio on the y-axis.
*/
scaleY: function scaleY(_scaleY) {
var scaleX = this.image.scaleX;
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.
*/
scale: function scale(scaleX) {
var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
var image = this.image;
var transformed = false;
scaleX = Number(scaleX);
scaleY = Number(scaleY);
if (this.ready && !this.disabled && this.options.scalable) {
if (isNumber(scaleX)) {
image.scaleX = scaleX;
transformed = true;
}
if (isNumber(scaleY)) {
image.scaleY = scaleY;
transformed = true;
}
if (transformed) {
this.renderCanvas(true, true);
}
}
},
/**
* 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() {
var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
var options = this.options,
image = this.image,
canvas = this.canvas,
cropBox = this.cropBox;
var data = void 0;
if (this.ready && this.cropped) {
data = {
x: cropBox.left - canvas.left,
y: cropBox.top - canvas.top,
width: cropBox.width,
height: cropBox.height
};
var ratio = image.width / image.naturalWidth;
$.each(data, function (i, n) {
n /= ratio;
data[i] = rounded ? Math.round(n) : n;
});
} else {
data = {
x: 0,
y: 0,
width: 0,
height: 0
};
}
if (options.rotatable) {
data.rotate = image.rotate || 0;
}
if (options.scalable) {
data.scaleX = image.scaleX || 1;
data.scaleY = image.scaleY || 1;
}
return data;
},
/**
* Set the cropped area position and size with new data
* @param {Object} data - The new data.
*/
setData: function setData(data) {
var options = this.options,
image = this.image,
canvas = this.canvas;
var cropBoxData = {};
if ($.isFunction(data)) {
data = data.call(this.element);
}
if (this.ready && !this.disabled && $.isPlainObject(data)) {
var transformed = false;
if (options.rotatable) {
if (isNumber(data.rotate) && data.rotate !== image.rotate) {
image.rotate = data.rotate;
transformed = true;
}
}
if (options.scalable) {
if (isNumber(data.scaleX) && data.scaleX !== image.scaleX) {
image.scaleX = data.scaleX;
transformed = true;
}
if (isNumber(data.scaleY) && data.scaleY !== image.scaleY) {
image.scaleY = data.scaleY;
transformed = true;
}
}
if (transformed) {
this.renderCanvas(true, true);
}
var ratio = image.width / image.naturalWidth;
if (isNumber(data.x)) {
cropBoxData.left = data.x * ratio + canvas.left;
}
if (isNumber(data.y)) {
cropBoxData.top = data.y * ratio + canvas.top;
}
if (isNumber(data.width)) {
cropBoxData.width = data.width * ratio;
}
if (isNumber(data.height)) {
cropBoxData.height = data.height * ratio;
}
this.setCropBoxData(cropBoxData);
}
},
/**
* Get the container size data.
* @returns {Object} The result container data.
*/
getContainerData: function getContainerData() {
return this.ready ? $.extend({}, this.container) : {};
},
/**
* Get the image position and size data.
* @returns {Object} The result image data.
*/
getImageData: function getImageData() {
return this.loaded ? $.extend({}, this.image) : {};
},
/**
* Get the canvas position and size data.
* @returns {Object} The result canvas data.
*/
getCanvasData: function getCanvasData() {
var canvas = this.canvas;
var data = {};
if (this.ready) {
$.each(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (i, n) {
data[n] = canvas[n];
});
}
return data;
},
/**
* Set the canvas position and size with new data.
* @param {Object} data - The new canvas data.
*/
setCanvasData: function setCanvasData(data) {
var canvas = this.canvas;
var aspectRatio = canvas.aspectRatio;
if ($.isFunction(data)) {
data = data.call(this.$element);
}
if (this.ready && !this.disabled && $.isPlainObject(data)) {
if (isNumber(data.left)) {
canvas.left = data.left;
}
if (isNumber(data.top)) {
canvas.top = data.top;
}
if (isNumber(data.width)) {
canvas.width = data.width;
canvas.height = data.width / aspectRatio;
} else if (isNumber(data.height)) {
canvas.height = data.height;
canvas.width = data.height * aspectRatio;
}
this.renderCanvas(true);
}
},
/**
* Get the crop box position and size data.
* @returns {Object} The result crop box data.
*/
getCropBoxData: function getCropBoxData() {
var cropBox = this.cropBox;
return this.ready && this.cropped ? {
left: cropBox.left,
top: cropBox.top,
width: cropBox.width,
height: cropBox.height
} : {};
},
/**
* Set the crop box position and size with new data.
* @param {Object} data - The new crop box data.
*/
setCropBoxData: function setCropBoxData(data) {
var cropBox = this.cropBox;
var aspectRatio = this.options.aspectRatio;
var widthChanged = void 0;
var heightChanged = void 0;
if ($.isFunction(data)) {
data = data.call(this.$element);
}
if (this.ready && this.cropped && !this.disabled && $.isPlainObject(data)) {
if (isNumber(data.left)) {
cropBox.left = data.left;
}
if (isNumber(data.top)) {
cropBox.top = data.top;
}
if (isNumber(data.width) && data.width !== cropBox.width) {
widthChanged = true;
cropBox.width = data.width;
}
if (isNumber(data.height) && data.height !== cropBox.height) {
heightChanged = true;
cropBox.height = data.height;
}
if (aspectRatio) {
if (widthChanged) {
cropBox.height = cropBox.width / aspectRatio;
} else if (heightChanged) {
cropBox.width = cropBox.height * aspectRatio;
}
}
this.renderCropBox();
}
},
/**
* Get a canvas drawn the cropped image.
* @param {Object} [options={}] - The config options.
* @returns {HTMLCanvasElement} - The result canvas.
*/
getCroppedCanvas: function getCroppedCanvas() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
if (!this.ready || !window.HTMLCanvasElement) {
return null;
}
var canvasData = this.canvas;
var source = getSourceCanvas(this.$clone[0], this.image, canvasData, options);
// Returns the source canvas if it is not cropped.
if (!this.cropped) {
return source;
}
var _getData = this.getData(),
x = _getData.x,
y = _getData.y,
initialWidth = _getData.width,
initialHeight = _getData.height;
var aspectRatio = initialWidth / initialHeight;
var maxSizes = getContainSizes({
aspectRatio: aspectRatio,
width: options.maxWidth || Infinity,
height: options.maxHeight || Infinity
});
var minSizes = getContainSizes({
aspectRatio: aspectRatio,
width: options.minWidth || 0,
height: options.minHeight || 0
});
var _getContainSizes = getContainSizes({
aspectRatio: aspectRatio,
width: options.width || initialWidth,
height: options.height || initialHeight
}),
width = _getContainSizes.width,
height = _getContainSizes.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 === undefined ? 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 = x;
var srcY = y;
var srcWidth = void 0;
var srcHeight = void 0;
// Destination canvas parameters
var dstX = void 0;
var dstY = void 0;
var dstWidth = void 0;
var dstHeight = void 0;
if (srcX <= -initialWidth || srcX > sourceWidth) {
srcX = 0;
srcWidth = 0;
dstX = 0;
dstWidth = 0;
} else if (srcX <= 0) {
dstX = -srcX;
srcX = 0;
srcWidth = Math.min(sourceWidth, initialWidth + srcX);
dstWidth = srcWidth;
} else if (srcX <= sourceWidth) {
dstX = 0;
srcWidth = Math.min(initialWidth, sourceWidth - srcX);
dstWidth = srcWidth;
}
if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
srcY = 0;
srcHeight = 0;
dstY = 0;
dstHeight = 0;
} else if (srcY <= 0) {
dstY = -srcY;
srcY = 0;
srcHeight = Math.min(sourceHeight, initialHeight + srcY);
dstHeight = srcHeight;
} else if (srcY <= sourceHeight) {
dstY = 0;
srcHeight = Math.min(initialHeight, sourceHeight - srcY);
dstHeight = srcHeight;
}
// All the numerical parameters should be integer for `drawImage`
// https://github.com/fengyuanchen/cropper/issues/476
var params = [srcX, srcY, srcWidth, srcHeight];
// Avoid "IndexSizeError"
if (dstWidth > 0 && dstHeight > 0) {
var scale = width / initialWidth;
params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);
}
context.drawImage.apply(context, [source].concat(_toConsumableArray$1($.map(params, function (param) {
return Math.floor(normalizeDecimalNumber(param));
}))));
return canvas;
},
/**
* Change the aspect ratio of the crop box.
* @param {number} aspectRatio - The new aspect ratio.
*/
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();
}
}
}
},
/**
* Change the drag mode.
* @param {string} mode - The new drag mode.
*/
setDragMode: function setDragMode(mode) {
var options = this.options;
var croppable = void 0;
var movable = void 0;
if (this.loaded && !this.disabled) {
croppable = mode === DRAG_MODE_CROP;
movable = options.movable && mode === DRAG_MODE_MOVE;
mode = croppable || movable ? mode : DRAG_MODE_NONE;
this.$dragBox.data(DATA_ACTION, mode).toggleClass(CLASS_CROP, croppable).toggleClass(CLASS_MOVE, movable);
if (!options.cropBoxMovable) {
// Sync drag mode to crop box when it is not movable(#300)
this.$face.data(DATA_ACTION, mode).toggleClass(CLASS_CROP, croppable).toggleClass(CLASS_MOVE, movable);
}
}
}
};
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var Cropper = function () {
/**
* Create a new Cropper.
* @param {Element} element - The target element for cropping.
* @param {Object} [options={}] - The configuration options.
*/
function Cropper(element) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
_classCallCheck(this, Cropper);
if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {
throw new Error('The first argument is required and must be an <img> or <canvas> element.');
}
this.element = element;
this.$element = $(element);
this.options = $.extend({}, DEFAULTS, $.isPlainObject(options) && options);
this.completed = false;
this.cropped = false;
this.disabled = false;
this.isImg = false;
this.limited = false;
this.loaded = false;
this.ready = false;
this.replaced = false;
this.wheeling = false;
this.originalUrl = '';
this.canvas = null;
this.cropBox = null;
this.pointers = {};
this.init();
}
_createClass(Cropper, [{
key: 'init',
value: function init() {
var $element = this.$element;
var url = void 0;
if ($element.is('img')) {
this.isImg = true;
// Should use `$.fn.attr` here. e.g.: "img/picture.jpg"
url = $element.attr('src') || '';
this.originalUrl = url;
// Stop when it's a blank image
if (!url) {
return;
}
// Should use `$.fn.prop` here. e.g.: "http://example.com/img/picture.jpg"
url = $element.prop('src');
} else if ($element.is('canvas') && window.HTMLCanvasElement) {
url = $element[0].toDataURL();
}
this.load(url);
}
// A shortcut for triggering custom events
}, {
key: 'trigger',
value: function trigger(type, data) {
var e = $.Event(type, data);
this.$element.trigger(e);
return e;
}
}, {
key: 'load',
value: function load(url) {
var _this = this;
if (!url) {
return;
}
this.url = url;
this.image = {};
var $element = this.$element,
options = this.options;
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();
xhr.onerror = function () {
_this.clone();
};
xhr.onload = function () {
_this.read(xhr.response);
};
if (options.checkCrossOrigin && isCrossOriginURL(url) && $element.prop('crossOrigin')) {
url = addTimestamp(url);
}
xhr.open('get', url);
xhr.responseType = 'arraybuffer';
xhr.withCredentials = $element.prop('crossOrigin') === 'use-credentials';
xhr.send();
}
}, {
key: 'read',
value: function read(arrayBuffer) {
var options = this.options,
image = this.image;
var orientation = getOrientation(arrayBuffer);
var rotate = 0;
var scaleX = 1;
var scaleY = 1;
if (orientation > 1) {
this.url = arrayBufferToDataURL(arrayBuffer, 'image/jpeg');
var _parseOrientation = parseOrientation(orientation);
rotate = _parseOrientation.rotate;
scaleX = _parseOrientation.scaleX;
scaleY = _parseOrientation.scaleY;
}
if (options.rotatable) {
image.rotate = rotate;
}
if (options.scalable) {
image.scaleX = scaleX;
image.scaleY = scaleY;
}
this.clone();
}
}, {
key: 'clone',
value: function clone() {
var $element = this.$element,
options = this.options,
url = this.url;
var crossOrigin = '';
var crossOriginUrl = void 0;
if (options.checkCrossOrigin && isCrossOriginURL(url)) {
crossOrigin = $element.prop('crossOrigin');
if (crossOrigin) {
crossOriginUrl = url;
} else {
crossOrigin = 'anonymous';
// Bust cache (#148) 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;
var $clone = $(image);
this.$clone = $clone;
if (this.isImg) {
if (this.element.complete) {
this.start();
} else {
$element.one(EVENT_LOAD, $.proxy(this.start, this));
}
} else {
$clone.one(EVENT_LOAD, $.proxy(this.start, this)).one(EVENT_ERROR, $.proxy(this.stop, this)).addClass(CLASS_HIDE).insertAfter($element);
}
}
}, {
key: 'start',
value: function start() {
var _this2 = this;
var $clone = this.$clone;
var $image = this.$element;
if (!this.isImg) {
$clone.off(EVENT_ERROR, this.stop);
$image = $clone;
}
getImageNaturalSizes($image[0], function (naturalWidth, naturalHeight) {
$.extend(_this2.image, {
naturalWidth: naturalWidth,
naturalHeight: naturalHeight,
aspectRatio: naturalWidth / naturalHeight
});
_this2.loaded = true;
_this2.build();
});
}
}, {
key: 'stop',
value: function stop() {
this.$clone.remove();
this.$clone = null;
}
}, {
key: 'build',
value: function build() {
var _this3 = this;
if (!this.loaded) {
return;
}
// Unbuild first when replace
if (this.ready) {
this.unbuild();
}
var $element = this.$element,
options = this.options,
$clone = this.$clone;
var $cropper = $(TEMPLATE);
var $cropBox = $cropper.find('.' + NAMESPACE + '-crop-box');
var $face = $cropBox.find('.' + NAMESPACE + '-face');
// Create cropper elements
this.$container = $element.parent();
this.$cropper = $cropper;
this.$canvas = $cropper.find('.' + NAMESPACE + '-canvas').append($clone);
this.$dragBox = $cropper.find('.' + NAMESPACE + '-drag-box');
this.$cropBox = $cropBox;
this.$viewBox = $cropper.find('.' + NAMESPACE + '-view-box');
this.$face = $face;
// Hide the original image
$element.addClass(CLASS_HIDDEN).after($cropper);
// Show the clone image if is hidden
if (!this.isImg) {
$clone.removeClass(CLASS_HIDE);
}
this.initPreview();
this.bind();
options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;
this.cropped = options.autoCrop;
if (options.autoCrop) {
if (options.modal) {
this.$dragBox.addClass(CLASS_MODAL);
}
} else {
$cropBox.addClass(CLASS_HIDDEN);
}
if (!options.guides) {
$cropBox.find('.' + NAMESPACE + '-dashed').addClass(CLASS_HIDDEN);
}
if (!options.center) {
$cropBox.find('.' + NAMESPACE + '-center').addClass(CLASS_HIDDEN);
}
if (options.cropBoxMovable) {
$face.addClass(CLASS_MOVE).data(DATA_ACTION, ACTION_ALL);
}
if (!options.highlight) {
$face.addClass(CLASS_INVISIBLE);
}
if (options.background) {
$cropper.addClass(NAMESPACE + '-bg');
}
if (!options.cropBoxResizable) {
$cropBox.find('.' + NAMESPACE + '-line,.' + NAMESPACE + '-point').addClass(CLASS_HIDDEN);
}
this.setDragMode(options.dragMode);
this.render();
this.ready = true;
this.setData(options.data);
// Trigger the ready event asynchronously to keep `data('cropper')` is defined
this.completing = setTimeout(function () {
if ($.isFunction(options.ready)) {
$element.one(EVENT_READY, options.ready);
}
_this3.trigger(EVENT_READY);
_this3.trigger(EVENT_CROP, _this3.getData());
_this3.completed = true;
}, 0);
}
}, {
key: 'unbuild',
value: function unbuild() {
if (!this.ready) {
return;
}
if (!this.completed) {
clearTimeout(this.completing);
}
this.ready = false;
this.completed = false;
this.initialImage = null;
// Clear `initialCanvas` is necessary when replace
this.initialCanvas = null;
this.initialCropBox = null;
this.container = null;
this.canvas = null;
// Clear `cropBox` is necessary when replace
this.cropBox = null;
this.unbind();
this.resetPreview();
this.$preview = null;
this.$viewBox = null;
this.$cropBox = null;
this.$dragBox = null;
this.$canvas = null;
this.$container = null;
this.$cropper.remove();
this.$cropper = null;
}
/**
* Change the default options.
* @param {Object} options - The new default options.
*/
}], [{
key: 'setDefaults',
value: function setDefaults(options) {
$.extend(DEFAULTS, $.isPlainObject(options) && options);
}
}]);
return Cropper;
}();
if ($.extend) {
$.extend(Cropper.prototype, render, preview, events, handlers, change, methods);
}
if ($.fn) {
var AnotherCropper = $.fn.cropper;
$.fn.cropper = function jQueryCropper(option) {
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
var result = void 0;
this.each(function (i, element) {
var $element = $(element);
var data = $element.data(NAMESPACE);
if (!data) {
if (/destroy/.test(option)) {
return;
}
var options = $.extend({}, $element.data(), $.isPlainObject(option) && option);
data = new Cropper(element, options);
$element.data(NAMESPACE, data);
}
if (isString(option)) {
var fn = data[option];
if ($.isFunction(fn)) {
result = fn.apply(data, args);
}
}
});
return isUndefined(result) ? this : result;
};
$.fn.cropper.Constructor = Cropper;
$.fn.cropper.setDefaults = Cropper.setDefaults;
$.fn.cropper.noConflict = function noConflict() {
$.fn.cropper = AnotherCropper;
return this;
};
}
})));