/**
* Croppr.js
* https://github.com/jamesssooi/Croppr.js
*
* A JavaScript image cropper that's lightweight, awesome, and has
* zero dependencies.
*
* (C) 2017 James Ooi. Released under the MIT License.
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.Croppr = factory());
}(this, (function () { 'use strict';
(function () {
var lastTime = 0;
var vendors = ['ms', 'moz', 'webkit', 'o'];
for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];
}
if (!window.requestAnimationFrame) window.requestAnimationFrame = function (callback, element) {
var currTime = new Date().getTime();
var timeToCall = Math.max(0, 16 - (currTime - lastTime));
var id = window.setTimeout(function () {
callback(currTime + timeToCall);
}, timeToCall);
lastTime = currTime + timeToCall;
return id;
};
if (!window.cancelAnimationFrame) window.cancelAnimationFrame = function (id) {
clearTimeout(id);
};
})();
(function () {
if (typeof window.CustomEvent === "function") return false;
function CustomEvent(event, params) {
params = params || { bubbles: false, cancelable: false, detail: undefined };
var evt = document.createEvent('CustomEvent');
evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
return evt;
}
CustomEvent.prototype = window.Event.prototype;
window.CustomEvent = CustomEvent;
})();
(function (window) {
try {
new CustomEvent('test');
return false;
} catch (e) {}
function MouseEvent(eventType, params) {
params = params || { bubbles: false, cancelable: false };
var mouseEvent = document.createEvent('MouseEvent');
mouseEvent.initMouseEvent(eventType, params.bubbles, params.cancelable, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
return mouseEvent;
}
MouseEvent.prototype = Event.prototype;
window.MouseEvent = MouseEvent;
})(window);
var classCallCheck = function (instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
};
var createClass = function () {
function defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
return function (Constructor, protoProps, staticProps) {
if (protoProps) defineProperties(Constructor.prototype, protoProps);
if (staticProps) defineProperties(Constructor, staticProps);
return Constructor;
};
}();
var get = function get(object, property, receiver) {
if (object === null) object = Function.prototype;
var desc = Object.getOwnPropertyDescriptor(object, property);
if (desc === undefined) {
var parent = Object.getPrototypeOf(object);
if (parent === null) {
return undefined;
} else {
return get(parent, property, receiver);
}
} else if ("value" in desc) {
return desc.value;
} else {
var getter = desc.get;
if (getter === undefined) {
return undefined;
}
return getter.call(receiver);
}
};
var inherits = function (subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
enumerable: false,
writable: true,
configurable: true
}
});
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};
var possibleConstructorReturn = function (self, call) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return call && (typeof call === "object" || typeof call === "function") ? call : self;
};
var slicedToArray = function () {
function sliceIterator(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i["return"]) _i["return"]();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
return function (arr, i) {
if (Array.isArray(arr)) {
return arr;
} else if (Symbol.iterator in Object(arr)) {
return sliceIterator(arr, i);
} else {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
};
}();
var Handle =
/**
* Creates a new Handle instance.
* @constructor
* @param {Array} position The x and y ratio position of the handle
* within the crop region. Accepts a value between 0 to 1 in the order
* of [X, Y].
* @param {Array} constraints Define the side of the crop region that
* is to be affected by this handle. Accepts a value of 0 or 1 in the
* order of [TOP, RIGHT, BOTTOM, LEFT].
* @param {String} cursor The CSS cursor of this handle.
* @param {Element} eventBus The element to dispatch events to.
*/
function Handle(position, constraints, cursor, eventBus) {
classCallCheck(this, Handle);
var self = this;
this.position = position;
this.constraints = constraints;
this.cursor = cursor;
this.eventBus = eventBus;
this.el = document.createElement('div');
this.el.className = 'croppr-handle';
this.el.style.cursor = cursor;
this.el.addEventListener('mousedown', onMouseDown);
function onMouseDown(e) {
e.stopPropagation();
document.addEventListener('mouseup', onMouseUp);
document.addEventListener('mousemove', onMouseMove);
self.eventBus.dispatchEvent(new CustomEvent('handlestart', {
detail: { handle: self }
}));
}
function onMouseUp(e) {
e.stopPropagation();
document.removeEventListener('mouseup', onMouseUp);
document.removeEventListener('mousemove', onMouseMove);
self.eventBus.dispatchEvent(new CustomEvent('handleend', {
detail: { handle: self }
}));
}
function onMouseMove(e) {
e.stopPropagation();
self.eventBus.dispatchEvent(new CustomEvent('handlemove', {
detail: { mouseX: e.clientX, mouseY: e.clientY }
}));
}
};
var Box = function () {
/**
* Creates a new Box instance.
* @constructor
* @param {Number} x1
* @param {Number} y1
* @param {Number} x2
* @param {Number} y2
*/
function Box(x1, y1, x2, y2) {
classCallCheck(this, Box);
this.x1 = x1;
this.y1 = y1;
this.x2 = x2;
this.y2 = y2;
}
/**
* Sets the new dimensions of the box.
* @param {Number} x1
* @param {Number} y1
* @param {Number} x2
* @param {Number} y2
*/
createClass(Box, [{
key: 'set',
value: function set$$1() {
var x1 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
var y1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
var x2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
var y2 = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
this.x1 = x1 == null ? this.x1 : x1;
this.y1 = y1 == null ? this.y1 : y1;
this.x2 = x2 == null ? this.x2 : x2;
this.y2 = y2 == null ? this.y2 : y2;
return this;
}
/**
* Calculates the width of the box.
* @returns {Number}
*/
}, {
key: 'width',
value: function width() {
return Math.abs(this.x2 - this.x1);
}
/**
* Calculates the height of the box.
* @returns {Number}
*/
}, {
key: 'height',
value: function height() {
return Math.abs(this.y2 - this.y1);
}
/**
* Resizes the box to a new size.
* @param {Number} newWidth
* @param {Number} newHeight
* @param {Array} [origin] The origin point to resize from.
* Defaults to [0, 0] (top left).
*/
}, {
key: 'resize',
value: function resize(newWidth, newHeight) {
var origin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [0, 0];
var fromX = this.x1 + this.width() * origin[0];
var fromY = this.y1 + this.height() * origin[1];
this.x1 = fromX - newWidth * origin[0];
this.y1 = fromY - newHeight * origin[1];
this.x2 = this.x1 + newWidth;
this.y2 = this.y1 + newHeight;
return this;
}
/**
* Scale the box by a factor.
* @param {Number} factor
* @param {Array} [origin] The origin point to resize from.
* Defaults to [0, 0] (top left).
*/
}, {
key: 'scale',
value: function scale(factor) {
var origin = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [0, 0];
var newWidth = this.width() * factor;
var newHeight = this.height() * factor;
this.resize(newWidth, newHeight, origin);
return this;
}
}, {
key: 'move',
value: function move() {
var x = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
var width = this.width();
var height = this.height();
x = x === null ? this.x1 : x;
y = y === null ? this.y1 : y;
this.x1 = x;
this.y1 = y;
this.x2 = x + width;
this.y2 = y + height;
return this;
}
/**
* Get relative x and y coordinates of a given point within the box.
* @param {Array} point The x and y ratio position within the box.
* @returns {Array} The x and y coordinates [x, y].
*/
}, {
key: 'getRelativePoint',
value: function getRelativePoint() {
var point = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [0, 0];
var x = this.width() * point[0];
var y = this.height() * point[1];
return [x, y];
}
/**
* Get absolute x and y coordinates of a given point within the box.
* @param {Array} point The x and y ratio position within the box.
* @returns {Array} The x and y coordinates [x, y].
*/
}, {
key: 'getAbsolutePoint',
value: function getAbsolutePoint() {
var point = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [0, 0];
var x = this.x1 + this.width() * point[0];
var y = this.y1 + this.height() * point[1];
return [x, y];
}
/**
* Constrain the box to a fixed ratio.
* @param {Number} ratio
* @param {Array} [origin] The origin point to resize from.
* Defaults to [0, 0] (top left).
* @param {String} [grow] The axis to grow to maintain the ratio.
* Defaults to 'height'.
*/
}, {
key: 'constrainToRatio',
value: function constrainToRatio(ratio) {
var origin = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [0, 0];
var grow = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'height';
if (ratio === null) {
return;
}
var width = this.width();
var height = this.height();
switch (grow) {
case 'height':
this.resize(this.width(), this.width() * ratio, origin);
break;
case 'width':
this.resize(this.height() * 1 / ratio, this.height(), origin);
break;
default:
this.resize(this.width(), this.width() * ratio, origin);
}
return this;
}
/**
* Constrain the box within a boundary.
* @param {Number} boundaryWidth
* @param {Number} boundaryHeight
* @param {Array} [origin] The origin point to resize from.
* Defaults to [0, 0] (top left).
*/
}, {
key: 'constrainToBoundary',
value: function constrainToBoundary(boundaryWidth, boundaryHeight) {
var origin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [0, 0];
var _getAbsolutePoint = this.getAbsolutePoint(origin),
_getAbsolutePoint2 = slicedToArray(_getAbsolutePoint, 2),
originX = _getAbsolutePoint2[0],
originY = _getAbsolutePoint2[1];
var maxIfLeft = originX;
var maxIfTop = originY;
var maxIfRight = boundaryWidth - originX;
var maxIfBottom = boundaryHeight - originY;
var directionX = -2 * origin[0] + 1;
var directionY = -2 * origin[1] + 1;
var maxWidth = null,
maxHeight = null;
switch (directionX) {
case -1:
maxWidth = maxIfLeft;break;
case 0:
maxWidth = Math.min(maxIfLeft, maxIfRight) * 2;break;
case +1:
maxWidth = maxIfRight;break;
}
switch (directionY) {
case -1:
maxHeight = maxIfTop;break;
case 0:
maxHeight = Math.min(maxIfTop, maxIfBottom) * 2;break;
case +1:
maxHeight = maxIfBottom;break;
}
if (this.width() > maxWidth) {
var factor = maxWidth / this.width();
this.scale(factor, origin);
}
if (this.height() > maxHeight) {
var _factor = maxHeight / this.height();
this.scale(_factor, origin);
}
return this;
}
/**
* Constrain the box to a maximum/minimum size.
* @param {Number} [maxWidth]
* @param {Number} [maxHeight]
* @param {Number} [minWidth]
* @param {Number} [minHeight]
* @param {Array} [origin] The origin point to resize from.
* Defaults to [0, 0] (top left).
* @param {Number} [ratio] Ratio to maintain.
*/
}, {
key: 'constrainToSize',
value: function constrainToSize() {
var maxWidth = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
var maxHeight = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
var minWidth = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
var minHeight = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
var origin = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [0, 0];
var ratio = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : null;
if (ratio) {
if (ratio > 1) {
maxWidth = maxHeight * 1 / ratio;
minHeight = minHeight * ratio;
} else if (ratio < 1) {
maxHeight = maxWidth * ratio;
minWidth = minHeight * 1 / ratio;
}
}
if (maxWidth && this.width() > maxWidth) {
var newWidth = maxWidth,
newHeight = ratio === null ? this.height() : maxHeight;
this.resize(newWidth, newHeight, origin);
}
if (maxHeight && this.height() > maxHeight) {
var _newWidth = ratio === null ? this.width() : maxWidth,
_newHeight = maxHeight;
this.resize(_newWidth, _newHeight, origin);
}
if (minWidth && this.width() < minWidth) {
var _newWidth2 = minWidth,
_newHeight2 = ratio === null ? this.height() : minHeight;
this.resize(_newWidth2, _newHeight2, origin);
}
if (minHeight && this.height() < minHeight) {
var _newWidth3 = ratio === null ? this.width() : minWidth,
_newHeight3 = minHeight;
this.resize(_newWidth3, _newHeight3, origin);
}
return this;
}
}]);
return Box;
}();
/**
* Binds an element's touch events to be simulated as mouse events.
* @param {Element} element
*/
function enableTouch(element) {
element.addEventListener('touchstart', simulateMouseEvent);
element.addEventListener('touchend', simulateMouseEvent);
element.addEventListener('touchmove', simulateMouseEvent);
}
/**
* Translates a touch event to a mouse event.
* @param {Event} e
*/
function simulateMouseEvent(e) {
e.preventDefault();
var touch = e.changedTouches[0];
var eventMap = {
'touchstart': 'mousedown',
'touchmove': 'mousemove',
'touchend': 'mouseup'
};
touch.target.dispatchEvent(new MouseEvent(eventMap[e.type], {
bubbles: true,
cancelable: true,
view: window,
clientX: touch.clientX,
clientY: touch.clientY,
screenX: touch.screenX,
screenY: touch.screenY
}));
}
/**
* Define a list of handles to create.
*
* @property {Array} position - The x and y ratio position of the handle within
* the crop region. Accepts a value between 0 to 1 in the order of [X, Y].
* @property {Array} constraints - Define the side of the crop region that is to
* be affected by this handle. Accepts a value of 0 or 1 in the order of
* [TOP, RIGHT, BOTTOM, LEFT].
* @property {String} cursor - The CSS cursor of this handle.
*/
var HANDLES = [{ position: [0.0, 0.0], constraints: [1, 0, 0, 1], cursor: 'nw-resize' }, { position: [0.5, 0.0], constraints: [1, 0, 0, 0], cursor: 'n-resize' }, { position: [1.0, 0.0], constraints: [1, 1, 0, 0], cursor: 'ne-resize' }, { position: [1.0, 0.5], constraints: [0, 1, 0, 0], cursor: 'e-resize' }, { position: [1.0, 1.0], constraints: [0, 1, 1, 0], cursor: 'se-resize' }, { position: [0.5, 1.0], constraints: [0, 0, 1, 0], cursor: 's-resize' }, { position: [0.0, 1.0], constraints: [0, 0, 1, 1], cursor: 'sw-resize' }, { position: [0.0, 0.5], constraints: [0, 0, 0, 1], cursor: 'w-resize' }];
var CropprCore = function () {
function CropprCore(element, options) {
var _this = this;
var deferred = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
classCallCheck(this, CropprCore);
this.options = CropprCore.parseOptions(options || {});
if (!element.nodeName) {
element = document.querySelector(element);
if (element == null) {
throw 'Unable to find element.';
}
}
if (!element.getAttribute('src')) {
throw 'Image src not provided.';
}
this._initialized = false;
this._restore = {
parent: element.parentNode,
element: element
};
if (!deferred) {
if (element.width === 0 || element.height === 0) {
element.onload = function () {
_this.initialize(element);
};
} else {
this.initialize(element);
}
}
}
createClass(CropprCore, [{
key: 'initialize',
value: function initialize(element) {
this.createDOM(element);
this.options.convertToPixels(this.cropperEl);
this.attachHandlerEvents();
this.attachRegionEvents();
this.attachOverlayEvents();
this.box = this.initializeBox(this.options);
this.redraw();
this._initialized = true;
if (this.options.onInitialize !== null) {
this.options.onInitialize(this);
}
}
}, {
key: 'createDOM',
value: function createDOM(targetEl) {
this.containerEl = document.createElement('div');
this.containerEl.className = 'croppr-container';
this.eventBus = this.containerEl;
enableTouch(this.containerEl);
this.cropperEl = document.createElement('div');
this.cropperEl.className = 'croppr';
this.imageEl = document.createElement('img');
this.imageEl.setAttribute('src', targetEl.getAttribute('src'));
this.imageEl.setAttribute('alt', targetEl.getAttribute('alt'));
this.imageEl.className = 'croppr-image';
this.imageClippedEl = this.imageEl.cloneNode();
this.imageClippedEl.className = 'croppr-imageClipped';
this.regionEl = document.createElement('div');
this.regionEl.className = 'croppr-region';
this.overlayEl = document.createElement('div');
this.overlayEl.className = 'croppr-overlay';
var handleContainerEl = document.createElement('div');
handleContainerEl.className = 'croppr-handleContainer';
this.handles = [];
for (var i = 0; i < HANDLES.length; i++) {
var handle = new Handle(HANDLES[i].position, HANDLES[i].constraints, HANDLES[i].cursor, this.eventBus);
this.handles.push(handle);
handleContainerEl.appendChild(handle.el);
}
this.cropperEl.appendChild(this.imageEl);
this.cropperEl.appendChild(this.imageClippedEl);
this.cropperEl.appendChild(this.regionEl);
this.cropperEl.appendChild(this.overlayEl);
this.cropperEl.appendChild(handleContainerEl);
this.containerEl.appendChild(this.cropperEl);
targetEl.parentElement.replaceChild(this.containerEl, targetEl);
}
/**
* Changes the image src.
* @param {String} src
*/
}, {
key: 'setImage',
value: function setImage(src) {
var _this2 = this;
this.imageEl.onload = function () {
_this2.box = _this2.initializeBox(_this2.options);
_this2.redraw();
};
this.imageEl.src = src;
this.imageClippedEl.src = src;
return this;
}
}, {
key: 'destroy',
value: function destroy() {
this._restore.parent.replaceChild(this._restore.element, this.containerEl);
}
/**
* Create a new box region with a set of options.
* @param {Object} opts The options.
* @returns {Box}
*/
}, {
key: 'initializeBox',
value: function initializeBox(opts) {
var width = opts.startSize.width;
var height = opts.startSize.height;
var box = new Box(0, 0, width, height);
box.constrainToRatio(opts.aspectRatio, [0.5, 0.5]);
var min = opts.minSize;
var max = opts.maxSize;
box.constrainToSize(max.width, max.height, min.width, min.height, [0.5, 0.5], opts.aspectRatio);
var parentWidth = this.cropperEl.offsetWidth;
var parentHeight = this.cropperEl.offsetHeight;
box.constrainToBoundary(parentWidth, parentHeight, [0.5, 0.5]);
var x = this.cropperEl.offsetWidth / 2 - box.width() / 2;
var y = this.cropperEl.offsetHeight / 2 - box.height() / 2;
box.move(x, y);
return box;
}
}, {
key: 'redraw',
value: function redraw() {
var _this3 = this;
var width = Math.round(this.box.width()),
height = Math.round(this.box.height()),
x1 = Math.round(this.box.x1),
y1 = Math.round(this.box.y1),
x2 = Math.round(this.box.x2),
y2 = Math.round(this.box.y2);
window.requestAnimationFrame(function () {
_this3.regionEl.style.transform = 'translate(' + x1 + 'px, ' + y1 + 'px)';
_this3.regionEl.style.width = width + 'px';
_this3.regionEl.style.height = height + 'px';
_this3.imageClippedEl.style.clip = 'rect(' + y1 + 'px, ' + x2 + 'px, ' + y2 + 'px, ' + x1 + 'px)';
var center = _this3.box.getAbsolutePoint([.5, .5]);
var xSign = center[0] - _this3.cropperEl.offsetWidth / 2 >> 31;
var ySign = center[1] - _this3.cropperEl.offsetHeight / 2 >> 31;
var quadrant = (xSign ^ ySign) + ySign + ySign + 4;
var foregroundHandleIndex = -2 * quadrant + 8;
for (var i = 0; i < _this3.handles.length; i++) {
var handle = _this3.handles[i];
var handleWidth = handle.el.offsetWidth;
var handleHeight = handle.el.offsetHeight;
var left = x1 + width * handle.position[0] - handleWidth / 2;
var top = y1 + height * handle.position[1] - handleHeight / 2;
handle.el.style.transform = 'translate(' + Math.round(left) + 'px, ' + Math.round(top) + 'px)';
handle.el.style.zIndex = foregroundHandleIndex == i ? 5 : 4;
}
});
}
}, {
key: 'attachHandlerEvents',
value: function attachHandlerEvents() {
var eventBus = this.eventBus;
eventBus.addEventListener('handlestart', this.onHandleMoveStart.bind(this));
eventBus.addEventListener('handlemove', this.onHandleMoveMoving.bind(this));
eventBus.addEventListener('handleend', this.onHandleMoveEnd.bind(this));
}
}, {
key: 'attachRegionEvents',
value: function attachRegionEvents() {
var eventBus = this.eventBus;
var self = this;
this.regionEl.addEventListener('mousedown', onMouseDown);
eventBus.addEventListener('regionstart', this.onRegionMoveStart.bind(this));
eventBus.addEventListener('regionmove', this.onRegionMoveMoving.bind(this));
eventBus.addEventListener('regionend', this.onRegionMoveEnd.bind(this));
function onMouseDown(e) {
e.stopPropagation();
document.addEventListener('mouseup', onMouseUp);
document.addEventListener('mousemove', onMouseMove);
eventBus.dispatchEvent(new CustomEvent('regionstart', {
detail: { mouseX: e.clientX, mouseY: e.clientY }
}));
}
function onMouseMove(e) {
e.stopPropagation();
eventBus.dispatchEvent(new CustomEvent('regionmove', {
detail: { mouseX: e.clientX, mouseY: e.clientY }
}));
}
function onMouseUp(e) {
e.stopPropagation();
document.removeEventListener('mouseup', onMouseUp);
document.removeEventListener('mousemove', onMouseMove);
eventBus.dispatchEvent(new CustomEvent('regionend', {
detail: { mouseX: e.clientX, mouseY: e.clientY }
}));
}
}
}, {
key: 'attachOverlayEvents',
value: function attachOverlayEvents() {
var SOUTHEAST_HANDLE_IDX = 4;
var self = this;
var tmpBox = null;
this.overlayEl.addEventListener('mousedown', onMouseDown);
function onMouseDown(e) {
e.stopPropagation();
document.addEventListener('mouseup', onMouseUp);
document.addEventListener('mousemove', onMouseMove);
var container = self.cropperEl.getBoundingClientRect();
var mouseX = e.clientX - container.left;
var mouseY = e.clientY - container.top;
tmpBox = self.box;
self.box = new Box(mouseX, mouseY, mouseX + 1, mouseY + 1);
self.eventBus.dispatchEvent(new CustomEvent('handlestart', {
detail: { handle: self.handles[SOUTHEAST_HANDLE_IDX] }
}));
}
function onMouseMove(e) {
e.stopPropagation();
self.eventBus.dispatchEvent(new CustomEvent('handlemove', {
detail: { mouseX: e.clientX, mouseY: e.clientY }
}));
}
function onMouseUp(e) {
e.stopPropagation();
document.removeEventListener('mouseup', onMouseUp);
document.removeEventListener('mousemove', onMouseMove);
if (self.box.width() === 1 && self.box.height() === 1) {
self.box = tmpBox;
return;
}
self.eventBus.dispatchEvent(new CustomEvent('handleend', {
detail: { mouseX: e.clientX, mouseY: e.clientY }
}));
}
}
}, {
key: 'onHandleMoveStart',
value: function onHandleMoveStart(e) {
var handle = e.detail.handle;
var originPoint = [1 - handle.position[0], 1 - handle.position[1]];
var _box$getAbsolutePoint = this.box.getAbsolutePoint(originPoint),
_box$getAbsolutePoint2 = slicedToArray(_box$getAbsolutePoint, 2),
originX = _box$getAbsolutePoint2[0],
originY = _box$getAbsolutePoint2[1];
this.activeHandle = { handle: handle, originPoint: originPoint, originX: originX, originY: originY };
if (this.options.onCropStart !== null) {
this.options.onCropStart(this.getValue());
}
}
}, {
key: 'onHandleMoveMoving',
value: function onHandleMoveMoving(e) {
var _e$detail = e.detail,
mouseX = _e$detail.mouseX,
mouseY = _e$detail.mouseY;
var container = this.cropperEl.getBoundingClientRect();
mouseX = mouseX - container.left;
mouseY = mouseY - container.top;
if (mouseX < 0) {
mouseX = 0;
} else if (mouseX > container.width) {
mouseX = container.width;
}
if (mouseY < 0) {
mouseY = 0;
} else if (mouseY > container.height) {
mouseY = container.height;
}
var origin = this.activeHandle.originPoint.slice();
var originX = this.activeHandle.originX;
var originY = this.activeHandle.originY;
var handle = this.activeHandle.handle;
var TOP_MOVABLE = handle.constraints[0] === 1;
var RIGHT_MOVABLE = handle.constraints[1] === 1;
var BOTTOM_MOVABLE = handle.constraints[2] === 1;
var LEFT_MOVABLE = handle.constraints[3] === 1;
var MULTI_AXIS = (LEFT_MOVABLE || RIGHT_MOVABLE) && (TOP_MOVABLE || BOTTOM_MOVABLE);
var x1 = LEFT_MOVABLE || RIGHT_MOVABLE ? originX : this.box.x1;
var x2 = LEFT_MOVABLE || RIGHT_MOVABLE ? originX : this.box.x2;
var y1 = TOP_MOVABLE || BOTTOM_MOVABLE ? originY : this.box.y1;
var y2 = TOP_MOVABLE || BOTTOM_MOVABLE ? originY : this.box.y2;
x1 = LEFT_MOVABLE ? mouseX : x1;
x2 = RIGHT_MOVABLE ? mouseX : x2;
y1 = TOP_MOVABLE ? mouseY : y1;
y2 = BOTTOM_MOVABLE ? mouseY : y2;
var isFlippedX = false,
isFlippedY = false;
if (LEFT_MOVABLE || RIGHT_MOVABLE) {
isFlippedX = LEFT_MOVABLE ? mouseX > originX : mouseX < originX;
}
if (TOP_MOVABLE || BOTTOM_MOVABLE) {
isFlippedY = TOP_MOVABLE ? mouseY > originY : mouseY < originY;
}
if (isFlippedX) {
var tmp = x1;x1 = x2;x2 = tmp;
origin[0] = 1 - origin[0];
}
if (isFlippedY) {
var _tmp = y1;y1 = y2;y2 = _tmp;
origin[1] = 1 - origin[1];
}
var box = new Box(x1, y1, x2, y2);
if (this.options.aspectRatio) {
var ratio = this.options.aspectRatio;
var isVerticalMovement = false;
if (MULTI_AXIS) {
isVerticalMovement = mouseY > box.y1 + ratio * box.width() || mouseY < box.y2 - ratio * box.width();
} else if (TOP_MOVABLE || BOTTOM_MOVABLE) {
isVerticalMovement = true;
}
var ratioMode = isVerticalMovement ? 'width' : 'height';
box.constrainToRatio(ratio, origin, ratioMode);
}
var min = this.options.minSize;
var max = this.options.maxSize;
box.constrainToSize(max.width, max.height, min.width, min.height, origin, this.options.aspectRatio);
var parentWidth = this.cropperEl.offsetWidth;
var parentHeight = this.cropperEl.offsetHeight;
box.constrainToBoundary(parentWidth, parentHeight, origin);
this.box = box;
this.redraw();
if (this.options.onCropMove !== null) {
this.options.onCropMove(this.getValue());
}
}
}, {
key: 'onHandleMoveEnd',
value: function onHandleMoveEnd(e) {
if (this.options.onCropEnd !== null) {
this.options.onCropEnd(this.getValue());
}
}
}, {
key: 'onRegionMoveStart',
value: function onRegionMoveStart(e) {
var _e$detail2 = e.detail,
mouseX = _e$detail2.mouseX,
mouseY = _e$detail2.mouseY;
var container = this.cropperEl.getBoundingClientRect();
mouseX = mouseX - container.left;
mouseY = mouseY - container.top;
this.currentMove = {
offsetX: mouseX - this.box.x1,
offsetY: mouseY - this.box.y1
};
if (this.options.onCropStart !== null) {
this.options.onCropStart(this.getValue());
}
}
}, {
key: 'onRegionMoveMoving',
value: function onRegionMoveMoving(e) {
var _e$detail3 = e.detail,
mouseX = _e$detail3.mouseX,
mouseY = _e$detail3.mouseY;
var _currentMove = this.currentMove,
offsetX = _currentMove.offsetX,
offsetY = _currentMove.offsetY;
var container = this.cropperEl.getBoundingClientRect();
mouseX = mouseX - container.left;
mouseY = mouseY - container.top;
this.box.move(mouseX - offsetX, mouseY - offsetY);
if (this.box.x1 < 0) {
this.box.move(0, null);
}
if (this.box.x2 > container.width) {
this.box.move(container.width - this.box.width(), null);
}
if (this.box.y1 < 0) {
this.box.move(null, 0);
}
if (this.box.y2 > container.height) {
this.box.move(null, container.height - this.box.height());
}
this.redraw();
if (this.options.onCropMove !== null) {
this.options.onCropMove(this.getValue());
}
}
}, {
key: 'onRegionMoveEnd',
value: function onRegionMoveEnd(e) {
if (this.options.onCropEnd !== null) {
this.options.onCropEnd(this.getValue());
}
}
}, {
key: 'getValue',
value: function getValue() {
var mode = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
if (mode === null) {
mode = this.options.returnMode;
}
if (mode == 'real') {
var actualWidth = this.imageEl.naturalWidth;
var actualHeight = this.imageEl.naturalHeight;
var _imageEl$getBoundingC = this.imageEl.getBoundingClientRect(),
elementWidth = _imageEl$getBoundingC.width,
elementHeight = _imageEl$getBoundingC.height;
var factorX = actualWidth / elementWidth;
var factorY = actualHeight / elementHeight;
return {
x: Math.round(this.box.x1 * factorX),
y: Math.round(this.box.y1 * factorY),
width: Math.round(this.box.width() * factorX),
height: Math.round(this.box.height() * factorY)
};
} else if (mode == 'ratio') {
var _imageEl$getBoundingC2 = this.imageEl.getBoundingClientRect(),
_elementWidth = _imageEl$getBoundingC2.width,
_elementHeight = _imageEl$getBoundingC2.height;
return {
x: round(this.box.x1 / _elementWidth, 3),
y: round(this.box.y1 / _elementHeight, 3),
width: round(this.box.width() / _elementWidth, 3),
height: round(this.box.height() / _elementHeight, 3)
};
} else if (mode == 'raw') {
return {
x: Math.round(this.box.x1),
y: Math.round(this.box.y1),
width: Math.round(this.box.width()),
height: Math.round(this.box.height())
};
}
}
}], [{
key: 'parseOptions',
value: function parseOptions(opts) {
var defaults$$1 = {
aspectRatio: null,
maxSize: { width: null, height: null },
minSize: { width: null, height: null },
startSize: { width: 100, height: 100, unit: '%' },
returnMode: 'real',
onInitialize: null,
onCropStart: null,
onCropMove: null,
onCropEnd: null
};
var aspectRatio = null;
if (opts.aspectRatio !== undefined) {
if (typeof opts.aspectRatio === 'number') {
aspectRatio = opts.aspectRatio;
} else if (opts.aspectRatio instanceof Array) {
aspectRatio = opts.aspectRatio[1] / opts.aspectRatio[0];
}
}
var maxSize = null;
if (opts.maxSize !== undefined && opts.maxSize !== null) {
maxSize = {
width: opts.maxSize[0] || null,
height: opts.maxSize[1] || null,
unit: opts.maxSize[2] || 'px'
};
}
var minSize = null;
if (opts.minSize !== undefined && opts.minSize !== null) {
minSize = {
width: opts.minSize[0] || null,
height: opts.minSize[1] || null,
unit: opts.minSize[2] || 'px'
};
}
var startSize = null;
if (opts.startSize !== undefined && opts.startSize !== null) {
startSize = {
width: opts.startSize[0] || null,
height: opts.startSize[1] || null,
unit: opts.startSize[2] || '%'
};
}
var onInitialize = null;
if (typeof opts.onInitialize === 'function') {
onInitialize = opts.onInitialize;
}
var onCropStart = null;
if (typeof opts.onCropStart === 'function') {
onCropStart = opts.onCropStart;
}
var onCropEnd = null;
if (typeof opts.onCropEnd === 'function') {
onCropEnd = opts.onCropEnd;
}
var onCropMove = null;
if (typeof opts.onUpdate === 'function') {
console.warn('Croppr.js: `onUpdate` is deprecated and will be removed in the next major release. Please use `onCropMove` or `onCropEnd` instead.');
onCropMove = opts.onUpdate;
}
if (typeof opts.onCropMove === 'function') {
onCropMove = opts.onCropMove;
}
var returnMode = null;
if (opts.returnMode !== undefined) {
var s = opts.returnMode.toLowerCase();
if (['real', 'ratio', 'raw'].indexOf(s) === -1) {
throw "Invalid return mode.";
}
returnMode = s;
}
var convertToPixels = function convertToPixels(container) {
var width = container.offsetWidth;
var height = container.offsetHeight;
var sizeKeys = ['maxSize', 'minSize', 'startSize'];
for (var i = 0; i < sizeKeys.length; i++) {
var key = sizeKeys[i];
if (this[key] !== null) {
if (this[key].unit == '%') {
if (this[key].width !== null) {
this[key].width = this[key].width / 100 * width;
}
if (this[key].height !== null) {
this[key].height = this[key].height / 100 * height;
}
}
delete this[key].unit;
}
}
};
var defaultValue = function defaultValue(v, d) {
return v !== null ? v : d;
};
return {
aspectRatio: defaultValue(aspectRatio, defaults$$1.aspectRatio),
maxSize: defaultValue(maxSize, defaults$$1.maxSize),
minSize: defaultValue(minSize, defaults$$1.minSize),
startSize: defaultValue(startSize, defaults$$1.startSize),
returnMode: defaultValue(returnMode, defaults$$1.returnMode),
onInitialize: defaultValue(onInitialize, defaults$$1.onInitialize),
onCropStart: defaultValue(onCropStart, defaults$$1.onCropStart),
onCropMove: defaultValue(onCropMove, defaults$$1.onCropMove),
onCropEnd: defaultValue(onCropEnd, defaults$$1.onCropEnd),
convertToPixels: convertToPixels
};
}
}]);
return CropprCore;
}();
function round(value, decimals) {
return Number(Math.round(value + 'e' + decimals) + 'e-' + decimals);
}
var Croppr$1 = function (_CropprCore) {
inherits(Croppr, _CropprCore);
/**
* @constructor
* Calls the CropprCore's constructor.
*/
function Croppr(element, options) {
var _deferred = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
classCallCheck(this, Croppr);
return possibleConstructorReturn(this, (Croppr.__proto__ || Object.getPrototypeOf(Croppr)).call(this, element, options, _deferred));
}
/**
* Gets the value of the crop region.
* @param {String} [mode] Which mode of calculation to use: 'real', 'ratio' or
* 'raw'.
*/
createClass(Croppr, [{
key: 'getValue',
value: function getValue(mode) {
return get(Croppr.prototype.__proto__ || Object.getPrototypeOf(Croppr.prototype), 'getValue', this).call(this, mode);
}
/**
* Changes the image src.
* @param {String} src
*/
}, {
key: 'setImage',
value: function setImage(src) {
return get(Croppr.prototype.__proto__ || Object.getPrototypeOf(Croppr.prototype), 'setImage', this).call(this, src);
}
}, {
key: 'destroy',
value: function destroy() {
return get(Croppr.prototype.__proto__ || Object.getPrototypeOf(Croppr.prototype), 'destroy', this).call(this);
}
/**
* Moves the crop region to a specified coordinate.
* @param {Number} x
* @param {Number} y
*/
}, {
key: 'moveTo',
value: function moveTo(x, y) {
this.box.move(x, y);
this.redraw();
if (this.options.onCropEnd !== null) {
this.options.onCropEnd(this.getValue());
}
return this;
}
/**
* Resizes the crop region to a specified width and height.
* @param {Number} width
* @param {Number} height
* @param {Array} origin The origin point to resize from.
* Defaults to [0.5, 0.5] (center).
*/
}, {
key: 'resizeTo',
value: function resizeTo(width, height) {
var origin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [.5, .5];
this.box.resize(width, height, origin);
this.redraw();
if (this.options.onCropEnd !== null) {
this.options.onCropEnd(this.getValue());
}
return this;
}
/**
* Scale the crop region by a factor.
* @param {Number} factor
* @param {Array} origin The origin point to resize from.
* Defaults to [0.5, 0.5] (center).
*/
}, {
key: 'scaleBy',
value: function scaleBy(factor) {
var origin = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [.5, .5];
this.box.scale(factor, origin);
this.redraw();
if (this.options.onCropEnd !== null) {
this.options.onCropEnd(this.getValue());
}
return this;
}
}, {
key: 'reset',
value: function reset() {
this.box = this.initializeBox(this.options);
this.redraw();
if (this.options.onCropEnd !== null) {
this.options.onCropEnd(this.getValue());
}
return this;
}
}]);
return Croppr;
}(CropprCore);
return Croppr$1;
})));