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/*************************
* Croppie
* Copyright 2018
* Foliotek
* Version: 2.6.2
*************************/
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['exports'], factory);
} else if (typeof exports === 'object' && typeof exports.nodeName !== 'string') {
// CommonJS
factory(exports);
} else {
// Browser globals
factory((root.commonJsStrict = {}));
}
}(this, function (exports) {
/* Polyfills */
if (typeof Promise !== 'function') {
/*! promise-polyfill 3.1.0 */
!function(a){function b(a,b){return function(){a.apply(b,arguments)}}function c(a){if("object"!==typeof this)throw new TypeError("Promises must be constructed via new");if("function"!==typeof a)throw new TypeError("not a function");this._state=null,this._value=null,this._deferreds=[],i(a,b(e,this),b(f,this))}function d(a){var b=this;return null===this._state?void this._deferreds.push(a):void k(function(){var c=b._state?a.onFulfilled:a.onRejected;if(null===c)return void(b._state?a.resolve:a.reject)(b._value);var d;try{d=c(b._value)}catch(e){return void a.reject(e)}a.resolve(d)})}function e(a){try{if(a===this)throw new TypeError("A promise cannot be resolved with itself.");if(a&&("object"===typeof a||"function"===typeof a)){var c=a.then;if("function"===typeof c)return void i(b(c,a),b(e,this),b(f,this))}this._state=!0,this._value=a,g.call(this)}catch(d){f.call(this,d)}}function f(a){this._state=!1,this._value=a,g.call(this)}function g(){for(var a=0,b=this._deferreds.length;b>a;a++)d.call(this,this._deferreds[a]);this._deferreds=null}function h(a,b,c,d){this.onFulfilled="function"===typeof a?a:null,this.onRejected="function"===typeof b?b:null,this.resolve=c,this.reject=d}function i(a,b,c){var d=!1;try{a(function(a){d||(d=!0,b(a))},function(a){d||(d=!0,c(a))})}catch(e){if(d)return;d=!0,c(e)}}var j=setTimeout,k="function"===typeof setImmediate&&setImmediate||function(a){j(a,1)},l=Array.isArray||function(a){return"[object Array]"===Object.prototype.toString.call(a)};c.prototype["catch"]=function(a){return this.then(null,a)},c.prototype.then=function(a,b){var e=this;return new c(function(c,f){d.call(e,new h(a,b,c,f))})},c.all=function(){var a=Array.prototype.slice.call(1===arguments.length&&l(arguments[0])?arguments[0]:arguments);return new c(function(b,c){function d(f,g){try{if(g&&("object"===typeof g||"function"===typeof g)){var h=g.then;if("function"===typeof h)return void h.call(g,function(a){d(f,a)},c)}a[f]=g,0===--e&&b(a)}catch(i){c(i)}}if(0===a.length)return b([]);for(var e=a.length,f=0;f<a.length;f++)d(f,a[f])})},c.resolve=function(a){return a&&"object"===typeof a&&a.constructor===c?a:new c(function(b){b(a)})},c.reject=function(a){return new c(function(b,c){c(a)})},c.race=function(a){return new c(function(b,c){for(var d=0,e=a.length;e>d;d++)a[d].then(b,c)})},c._setImmediateFn=function(a){k=a},"undefined"!==typeof module&&module.exports?module.exports=c:a.Promise||(a.Promise=c)}(this);
}
if ( typeof window.CustomEvent !== "function" ) {
(function(){
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;
}());
}
if (!HTMLCanvasElement.prototype.toBlob) {
Object.defineProperty(HTMLCanvasElement.prototype, 'toBlob', {
value: function (callback, type, quality) {
var binStr = atob( this.toDataURL(type, quality).split(',')[1] ),
len = binStr.length,
arr = new Uint8Array(len);
for (var i=0; i<len; i++ ) {
arr[i] = binStr.charCodeAt(i);
}
callback( new Blob( [arr], {type: type || 'image/png'} ) );
}
});
}
/* End Polyfills */
var cssPrefixes = ['Webkit', 'Moz', 'ms'],
emptyStyles = document.createElement('div').style,
EXIF_NORM = [1,8,3,6],
EXIF_FLIP = [2,7,4,5],
CSS_TRANS_ORG,
CSS_TRANSFORM,
CSS_USERSELECT;
function vendorPrefix(prop) {
if (prop in emptyStyles) {
return prop;
}
var capProp = prop[0].toUpperCase() + prop.slice(1),
i = cssPrefixes.length;
while (i--) {
prop = cssPrefixes[i] + capProp;
if (prop in emptyStyles) {
return prop;
}
}
}
CSS_TRANSFORM = vendorPrefix('transform');
CSS_TRANS_ORG = vendorPrefix('transformOrigin');
CSS_USERSELECT = vendorPrefix('userSelect');
function getExifOffset(ornt, rotate) {
var arr = EXIF_NORM.indexOf(ornt) > -1 ? EXIF_NORM : EXIF_FLIP,
index = arr.indexOf(ornt),
offset = (rotate / 90) % arr.length;// 180 = 2%4 = 2 shift exif by 2 indexes
return arr[(arr.length + index + (offset % arr.length)) % arr.length];
}
// Credits to : Andrew Dupont - http://andrewdupont.net/2009/08/28/deep-extending-objects-in-javascript/
function deepExtend(destination, source) {
destination = destination || {};
for (var property in source) {
if (source[property] && source[property].constructor && source[property].constructor === Object) {
destination[property] = destination[property] || {};
deepExtend(destination[property], source[property]);
} else {
destination[property] = source[property];
}
}
return destination;
}
function clone(object) {
return deepExtend({}, object);
}
function debounce(func, wait, immediate) {
var timeout;
return function () {
var context = this, args = arguments;
var later = function () {
timeout = null;
if (!immediate) func.apply(context, args);
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) func.apply(context, args);
};
}
function dispatchChange(element) {
if ("createEvent" in document) {
var evt = document.createEvent("HTMLEvents");
evt.initEvent("change", false, true);
element.dispatchEvent(evt);
}
else {
element.fireEvent("onchange");
}
}
//http://jsperf.com/vanilla-css
function css(el, styles, val) {
if (typeof (styles) === 'string') {
var tmp = styles;
styles = {};
styles[tmp] = val;
}
for (var prop in styles) {
el.style[prop] = styles[prop];
}
}
function addClass(el, c) {
if (el.classList) {
el.classList.add(c);
}
else {
el.className += ' ' + c;
}
}
function removeClass(el, c) {
if (el.classList) {
el.classList.remove(c);
}
else {
el.className = el.className.replace(c, '');
}
}
function setAttributes(el, attrs) {
for (var key in attrs) {
el.setAttribute(key, attrs[key]);
}
}
function num(v) {
return parseInt(v, 10);
}
/* Utilities */
function loadImage(src, doExif) {
var img = new Image();
img.style.opacity = 0;
return new Promise(function (resolve) {
function _resolve() {
img.style.opacity = 1;
setTimeout(function () {
resolve(img);
}, 1);
}
img.removeAttribute('crossOrigin');
if (src.match(/^https?:\/\/|^\/\//)) {
img.setAttribute('crossOrigin', 'anonymous');
}
img.onload = function () {
if (doExif) {
EXIF.getData(img, function () {
_resolve();
});
}
else {
_resolve();
}
};
img.src = src;
});
}
function naturalImageDimensions(img, ornt) {
var w = img.naturalWidth;
var h = img.naturalHeight;
var orient = ornt || getExifOrientation(img);
if (orient && orient >= 5) {
var x= w;
w = h;
h = x;
}
return { width: w, height: h };
}
/* CSS Transform Prototype */
var TRANSLATE_OPTS = {
'translate3d': {
suffix: ', 0px'
},
'translate': {
suffix: ''
}
};
var Transform = function (x, y, scale) {
this.x = parseFloat(x);
this.y = parseFloat(y);
this.scale = parseFloat(scale);
};
Transform.parse = function (v) {
if (v.style) {
return Transform.parse(v.style[CSS_TRANSFORM]);
}
else if (v.indexOf('matrix') > -1 || v.indexOf('none') > -1) {
return Transform.fromMatrix(v);
}
else {
return Transform.fromString(v);
}
};
Transform.fromMatrix = function (v) {
var vals = v.substring(7).split(',');
if (!vals.length || v === 'none') {
vals = [1, 0, 0, 1, 0, 0];
}
return new Transform(num(vals[4]), num(vals[5]), parseFloat(vals[0]));
};
Transform.fromString = function (v) {
var values = v.split(') '),
translate = values[0].substring(Croppie.globals.translate.length + 1).split(','),
scale = values.length > 1 ? values[1].substring(6) : 1,
x = translate.length > 1 ? translate[0] : 0,
y = translate.length > 1 ? translate[1] : 0;
return new Transform(x, y, scale);
};
Transform.prototype.toString = function () {
var suffix = TRANSLATE_OPTS[Croppie.globals.translate].suffix || '';
return Croppie.globals.translate + '(' + this.x + 'px, ' + this.y + 'px' + suffix + ') scale(' + this.scale + ')';
};
var TransformOrigin = function (el) {
if (!el || !el.style[CSS_TRANS_ORG]) {
this.x = 0;
this.y = 0;
return;
}
var css = el.style[CSS_TRANS_ORG].split(' ');
this.x = parseFloat(css[0]);
this.y = parseFloat(css[1]);
};
TransformOrigin.prototype.toString = function () {
return this.x + 'px ' + this.y + 'px';
};
function getExifOrientation (img) {
return img.exifdata ? img.exifdata.Orientation : 1;
}
function drawCanvas(canvas, img, orientation) {
var width = img.width,
height = img.height,
ctx = canvas.getContext('2d');
canvas.width = img.width;
canvas.height = img.height;
ctx.save();
switch (orientation) {
case 2:
ctx.translate(width, 0);
ctx.scale(-1, 1);
break;
case 3:
ctx.translate(width, height);
ctx.rotate(180*Math.PI/180);
break;
case 4:
ctx.translate(0, height);
ctx.scale(1, -1);
break;
case 5:
canvas.width = height;
canvas.height = width;
ctx.rotate(90*Math.PI/180);
ctx.scale(1, -1);
break;
case 6:
canvas.width = height;
canvas.height = width;
ctx.rotate(90*Math.PI/180);
ctx.translate(0, -height);
break;
case 7:
canvas.width = height;
canvas.height = width;
ctx.rotate(-90*Math.PI/180);
ctx.translate(-width, height);
ctx.scale(1, -1);
break;
case 8:
canvas.width = height;
canvas.height = width;
ctx.translate(0, width);
ctx.rotate(-90*Math.PI/180);
break;
}
ctx.drawImage(img, 0,0, width, height);
ctx.restore();
}
/* Private Methods */
function _create() {
var self = this,
contClass = 'croppie-container',
customViewportClass = self.options.viewport.type ? 'cr-vp-' + self.options.viewport.type : null,
boundary, img, viewport, overlay, bw, bh;
self.options.useCanvas = self.options.enableOrientation || _hasExif.call(self);
// Properties on class
self.data = {};
self.elements = {};
boundary = self.elements.boundary = document.createElement('div');
viewport = self.elements.viewport = document.createElement('div');
img = self.elements.img = document.createElement('img');
overlay = self.elements.overlay = document.createElement('div');
if (self.options.useCanvas) {
self.elements.canvas = document.createElement('canvas');
self.elements.preview = self.elements.canvas;
}
else {
self.elements.preview = self.elements.img;
}
addClass(boundary, 'cr-boundary');
boundary.setAttribute('aria-dropeffect', 'none');
bw = self.options.boundary.width;
bh = self.options.boundary.height;
css(boundary, {
width: (bw + (isNaN(bw) ? '' : 'px')),
height: (bh + (isNaN(bh) ? '' : 'px'))
});
addClass(viewport, 'cr-viewport');
if (customViewportClass) {
addClass(viewport, customViewportClass);
}
css(viewport, {
width: self.options.viewport.width + 'px',
height: self.options.viewport.height + 'px'
});
viewport.setAttribute('tabindex', 0);
addClass(self.elements.preview, 'cr-image');
setAttributes(self.elements.preview, { 'alt': 'preview', 'aria-grabbed': 'false' });
addClass(overlay, 'cr-overlay');
self.element.appendChild(boundary);
boundary.appendChild(self.elements.preview);
boundary.appendChild(viewport);
boundary.appendChild(overlay);
addClass(self.element, contClass);
if (self.options.customClass) {
addClass(self.element, self.options.customClass);
}
_initDraggable.call(this);
if (self.options.enableZoom) {
_initializeZoom.call(self);
}
// if (self.options.enableOrientation) {
// _initRotationControls.call(self);
// }
if (self.options.enableResize) {
_initializeResize.call(self);
}
}
// function _initRotationControls () {
// var self = this,
// wrap, btnLeft, btnRight, iLeft, iRight;
// wrap = document.createElement('div');
// self.elements.orientationBtnLeft = btnLeft = document.createElement('button');
// self.elements.orientationBtnRight = btnRight = document.createElement('button');
// wrap.appendChild(btnLeft);
// wrap.appendChild(btnRight);
// iLeft = document.createElement('i');
// iRight = document.createElement('i');
// btnLeft.appendChild(iLeft);
// btnRight.appendChild(iRight);
// addClass(wrap, 'cr-rotate-controls');
// addClass(btnLeft, 'cr-rotate-l');
// addClass(btnRight, 'cr-rotate-r');
// self.elements.boundary.appendChild(wrap);
// btnLeft.addEventListener('click', function () {
// self.rotate(-90);
// });
// btnRight.addEventListener('click', function () {
// self.rotate(90);
// });
// }
function _hasExif() {
return this.options.enableExif && window.EXIF;
}
function _initializeResize () {
var self = this;
var wrap = document.createElement('div');
var isDragging = false;
var direction;
var originalX;
var originalY;
var minSize = 50;
var maxWidth;
var maxHeight;
var vr;
var hr;
addClass(wrap, 'cr-resizer');
css(wrap, {
width: this.options.viewport.width + 'px',
height: this.options.viewport.height + 'px'
});
if (this.options.resizeControls.height) {
vr = document.createElement('div');
addClass(vr, 'cr-resizer-vertical');
wrap.appendChild(vr);
}
if (this.options.resizeControls.width) {
hr = document.createElement('div');
addClass(hr, 'cr-resizer-horisontal');
wrap.appendChild(hr);
}
function mouseDown(ev) {
if (ev.button !== undefined && ev.button !== 0) return;
ev.preventDefault();
if (isDragging) {
return;
}
var overlayRect = self.elements.overlay.getBoundingClientRect();
isDragging = true;
originalX = ev.pageX;
originalY = ev.pageY;
direction = ev.currentTarget.className.indexOf('vertical') !== -1 ? 'v' : 'h';
maxWidth = overlayRect.width;
maxHeight = overlayRect.height;
if (ev.touches) {
var touches = ev.touches[0];
originalX = touches.pageX;
originalY = touches.pageY;
}
window.addEventListener('mousemove', mouseMove);
window.addEventListener('touchmove', mouseMove);
window.addEventListener('mouseup', mouseUp);
window.addEventListener('touchend', mouseUp);
document.body.style[CSS_USERSELECT] = 'none';
}
function mouseMove(ev) {
var pageX = ev.pageX;
var pageY = ev.pageY;
ev.preventDefault();
if (ev.touches) {
var touches = ev.touches[0];
pageX = touches.pageX;
pageY = touches.pageY;
}
var deltaX = pageX - originalX;
var deltaY = pageY - originalY;
var newHeight = self.options.viewport.height + deltaY;
var newWidth = self.options.viewport.width + deltaX;
if (direction === 'v' && newHeight >= minSize && newHeight <= maxHeight) {
css(wrap, {
height: newHeight + 'px'
});
self.options.boundary.height += deltaY;
css(self.elements.boundary, {
height: self.options.boundary.height + 'px'
});
self.options.viewport.height += deltaY;
css(self.elements.viewport, {
height: self.options.viewport.height + 'px'
});
}
else if (direction === 'h' && newWidth >= minSize && newWidth <= maxWidth) {
css(wrap, {
width: newWidth + 'px'
});
self.options.boundary.width += deltaX;
css(self.elements.boundary, {
width: self.options.boundary.width + 'px'
});
self.options.viewport.width += deltaX;
css(self.elements.viewport, {
width: self.options.viewport.width + 'px'
});
}
_updateOverlay.call(self);
_updateZoomLimits.call(self);
_updateCenterPoint.call(self);
_triggerUpdate.call(self);
originalY = pageY;
originalX = pageX;
}
function mouseUp() {
isDragging = false;
window.removeEventListener('mousemove', mouseMove);
window.removeEventListener('touchmove', mouseMove);
window.removeEventListener('mouseup', mouseUp);
window.removeEventListener('touchend', mouseUp);
document.body.style[CSS_USERSELECT] = '';
}
if (vr) {
vr.addEventListener('mousedown', mouseDown);
vr.addEventListener('touchstart', mouseDown);
}
if (hr) {
hr.addEventListener('mousedown', mouseDown);
hr.addEventListener('touchstart', mouseDown);
}
this.elements.boundary.appendChild(wrap);
}
function _setZoomerVal(v) {
if (this.options.enableZoom) {
var z = this.elements.zoomer,
val = fix(v, 4);
z.value = Math.max(z.min, Math.min(z.max, val));
}
}
function _initializeZoom() {
var self = this,
wrap = self.elements.zoomerWrap = document.createElement('div'),
zoomer = self.elements.zoomer = document.createElement('input');
addClass(wrap, 'cr-slider-wrap');
addClass(zoomer, 'cr-slider');
zoomer.type = 'range';
zoomer.step = '0.0001';
zoomer.value = 1;
zoomer.style.display = self.options.showZoomer ? '' : 'none';
zoomer.setAttribute('aria-label', 'zoom');
self.element.appendChild(wrap);
wrap.appendChild(zoomer);
self._currentZoom = 1;
function change() {
_onZoom.call(self, {
value: parseFloat(zoomer.value),
origin: new TransformOrigin(self.elements.preview),
viewportRect: self.elements.viewport.getBoundingClientRect(),
transform: Transform.parse(self.elements.preview)
});
}
function scroll(ev) {
var delta, targetZoom;
if(self.options.mouseWheelZoom === 'ctrl' && ev.ctrlKey !== true){
return 0;
} else if (ev.wheelDelta) {
delta = ev.wheelDelta / 1200; //wheelDelta min: -120 max: 120 // max x 10 x 2
} else if (ev.deltaY) {
delta = ev.deltaY / 1060; //deltaY min: -53 max: 53 // max x 10 x 2
} else if (ev.detail) {
delta = ev.detail / -60; //delta min: -3 max: 3 // max x 10 x 2
} else {
delta = 0;
}
targetZoom = self._currentZoom + (delta * self._currentZoom);
ev.preventDefault();
_setZoomerVal.call(self, targetZoom);
change.call(self);
}
self.elements.zoomer.addEventListener('input', change);// this is being fired twice on keypress
self.elements.zoomer.addEventListener('change', change);
if (self.options.mouseWheelZoom) {
self.elements.boundary.addEventListener('mousewheel', scroll);
self.elements.boundary.addEventListener('DOMMouseScroll', scroll);
}
}
function _onZoom(ui) {
var self = this,
transform = ui ? ui.transform : Transform.parse(self.elements.preview),
vpRect = ui ? ui.viewportRect : self.elements.viewport.getBoundingClientRect(),
origin = ui ? ui.origin : new TransformOrigin(self.elements.preview);
function applyCss() {
var transCss = {};
transCss[CSS_TRANSFORM] = transform.toString();
transCss[CSS_TRANS_ORG] = origin.toString();
css(self.elements.preview, transCss);
}
self._currentZoom = ui ? ui.value : self._currentZoom;
transform.scale = self._currentZoom;
self.elements.zoomer.setAttribute('aria-valuenow', self._currentZoom);
applyCss();
if (self.options.enforceBoundary) {
var boundaries = _getVirtualBoundaries.call(self, vpRect),
transBoundaries = boundaries.translate,
oBoundaries = boundaries.origin;
if (transform.x >= transBoundaries.maxX) {
origin.x = oBoundaries.minX;
transform.x = transBoundaries.maxX;
}
if (transform.x <= transBoundaries.minX) {
origin.x = oBoundaries.maxX;
transform.x = transBoundaries.minX;
}
if (transform.y >= transBoundaries.maxY) {
origin.y = oBoundaries.minY;
transform.y = transBoundaries.maxY;
}
if (transform.y <= transBoundaries.minY) {
origin.y = oBoundaries.maxY;
transform.y = transBoundaries.minY;
}
}
applyCss();
_debouncedOverlay.call(self);
_triggerUpdate.call(self);
}
function _getVirtualBoundaries(viewport) {
var self = this,
scale = self._currentZoom,
vpWidth = viewport.width,
vpHeight = viewport.height,
centerFromBoundaryX = self.elements.boundary.clientWidth / 2,
centerFromBoundaryY = self.elements.boundary.clientHeight / 2,
imgRect = self.elements.preview.getBoundingClientRect(),
curImgWidth = imgRect.width,
curImgHeight = imgRect.height,
halfWidth = vpWidth / 2,
halfHeight = vpHeight / 2;
var maxX = ((halfWidth / scale) - centerFromBoundaryX) * -1;
var minX = maxX - ((curImgWidth * (1 / scale)) - (vpWidth * (1 / scale)));
var maxY = ((halfHeight / scale) - centerFromBoundaryY) * -1;
var minY = maxY - ((curImgHeight * (1 / scale)) - (vpHeight * (1 / scale)));
var originMinX = (1 / scale) * halfWidth;
var originMaxX = (curImgWidth * (1 / scale)) - originMinX;
var originMinY = (1 / scale) * halfHeight;
var originMaxY = (curImgHeight * (1 / scale)) - originMinY;
return {
translate: {
maxX: maxX,
minX: minX,
maxY: maxY,
minY: minY
},
origin: {
maxX: originMaxX,
minX: originMinX,
maxY: originMaxY,
minY: originMinY
}
};
}
function _updateCenterPoint() {
var self = this,
scale = self._currentZoom,
data = self.elements.preview.getBoundingClientRect(),
vpData = self.elements.viewport.getBoundingClientRect(),
transform = Transform.parse(self.elements.preview.style[CSS_TRANSFORM]),
pc = new TransformOrigin(self.elements.preview),
top = (vpData.top - data.top) + (vpData.height / 2),
left = (vpData.left - data.left) + (vpData.width / 2),
center = {},
adj = {};
center.y = top / scale;
center.x = left / scale;
adj.y = (center.y - pc.y) * (1 - scale);
adj.x = (center.x - pc.x) * (1 - scale);
transform.x -= adj.x;
transform.y -= adj.y;
var newCss = {};
newCss[CSS_TRANS_ORG] = center.x + 'px ' + center.y + 'px';
newCss[CSS_TRANSFORM] = transform.toString();
css(self.elements.preview, newCss);
}
function _initDraggable() {
var self = this,
isDragging = false,
originalX,
originalY,
originalDistance,
vpRect,
transform;
function assignTransformCoordinates(deltaX, deltaY) {
var imgRect = self.elements.preview.getBoundingClientRect(),
top = transform.y + deltaY,
left = transform.x + deltaX;
if (self.options.enforceBoundary) {
if (vpRect.top > imgRect.top + deltaY && vpRect.bottom < imgRect.bottom + deltaY) {
transform.y = top;
}
if (vpRect.left > imgRect.left + deltaX && vpRect.right < imgRect.right + deltaX) {
transform.x = left;
}
}
else {
transform.y = top;
transform.x = left;
}
}
function toggleGrabState(isDragging) {
self.elements.preview.setAttribute('aria-grabbed', isDragging);
self.elements.boundary.setAttribute('aria-dropeffect', isDragging? 'move': 'none');
}
function keyDown(ev) {
var LEFT_ARROW = 37,
UP_ARROW = 38,
RIGHT_ARROW = 39,
DOWN_ARROW = 40;
if (ev.shiftKey && (ev.keyCode === UP_ARROW || ev.keyCode === DOWN_ARROW)) {
var zoom = 0.0;
if (ev.keyCode === UP_ARROW) {
zoom = parseFloat(self.elements.zoomer.value, 10) + parseFloat(self.elements.zoomer.step, 10)
}
else {
zoom = parseFloat(self.elements.zoomer.value, 10) - parseFloat(self.elements.zoomer.step, 10)
}
self.setZoom(zoom);
}
else if (self.options.enableKeyMovement && (ev.keyCode >= 37 && ev.keyCode <= 40)) {
ev.preventDefault();
var movement = parseKeyDown(ev.keyCode);
transform = Transform.parse(self.elements.preview);
document.body.style[CSS_USERSELECT] = 'none';
vpRect = self.elements.viewport.getBoundingClientRect();
keyMove(movement);
}
function parseKeyDown(key) {
switch (key) {
case LEFT_ARROW:
return [1, 0];
case UP_ARROW:
return [0, 1];
case RIGHT_ARROW:
return [-1, 0];
case DOWN_ARROW:
return [0, -1];
}
}
}
function keyMove(movement) {
var deltaX = movement[0],
deltaY = movement[1],
newCss = {};
assignTransformCoordinates(deltaX, deltaY);
newCss[CSS_TRANSFORM] = transform.toString();
css(self.elements.preview, newCss);
_updateOverlay.call(self);
document.body.style[CSS_USERSELECT] = '';
_updateCenterPoint.call(self);
_triggerUpdate.call(self);
originalDistance = 0;
}
function mouseDown(ev) {
if (ev.button !== undefined && ev.button !== 0) return;
ev.preventDefault();
if (isDragging) return;
isDragging = true;
originalX = ev.pageX;
originalY = ev.pageY;
if (ev.touches) {
var touches = ev.touches[0];
originalX = touches.pageX;
originalY = touches.pageY;
}
toggleGrabState(isDragging);
transform = Transform.parse(self.elements.preview);
window.addEventListener('mousemove', mouseMove);
window.addEventListener('touchmove', mouseMove);
window.addEventListener('mouseup', mouseUp);
window.addEventListener('touchend', mouseUp);
document.body.style[CSS_USERSELECT] = 'none';
vpRect = self.elements.viewport.getBoundingClientRect();
}
function mouseMove(ev) {
ev.preventDefault();
var pageX = ev.pageX,
pageY = ev.pageY;
if (ev.touches) {
var touches = ev.touches[0];
pageX = touches.pageX;
pageY = touches.pageY;
}
var deltaX = pageX - originalX,
deltaY = pageY - originalY,
newCss = {};
if (ev.type === 'touchmove') {
if (ev.touches.length > 1) {
var touch1 = ev.touches[0];
var touch2 = ev.touches[1];
var dist = Math.sqrt((touch1.pageX - touch2.pageX) * (touch1.pageX - touch2.pageX) + (touch1.pageY - touch2.pageY) * (touch1.pageY - touch2.pageY));
if (!originalDistance) {
originalDistance = dist / self._currentZoom;
}
var scale = dist / originalDistance;
_setZoomerVal.call(self, scale);
dispatchChange(self.elements.zoomer);
return;
}
}
assignTransformCoordinates(deltaX, deltaY);
newCss[CSS_TRANSFORM] = transform.toString();
css(self.elements.preview, newCss);
_updateOverlay.call(self);
originalY = pageY;
originalX = pageX;
}
function mouseUp() {
isDragging = false;
toggleGrabState(isDragging);
window.removeEventListener('mousemove', mouseMove);
window.removeEventListener('touchmove', mouseMove);
window.removeEventListener('mouseup', mouseUp);
window.removeEventListener('touchend', mouseUp);
document.body.style[CSS_USERSELECT] = '';
_updateCenterPoint.call(self);
_triggerUpdate.call(self);
originalDistance = 0;
}
self.elements.overlay.addEventListener('mousedown', mouseDown);
self.elements.viewport.addEventListener('keydown', keyDown);
self.elements.overlay.addEventListener('touchstart', mouseDown);
}
function _updateOverlay() {
if (!this.elements) return; // since this is debounced, it can be fired after destroy
var self = this,
boundRect = self.elements.boundary.getBoundingClientRect(),
imgData = self.elements.preview.getBoundingClientRect();
css(self.elements.overlay, {
width: imgData.width + 'px',
height: imgData.height + 'px',
top: (imgData.top - boundRect.top) + 'px',
left: (imgData.left - boundRect.left) + 'px'
});
}
var _debouncedOverlay = debounce(_updateOverlay, 500);
function _triggerUpdate() {
var self = this,
data = self.get(),
ev;
if (!_isVisible.call(self)) {
return;
}
self.options.update.call(self, data);
if (self.$ && typeof Prototype === 'undefined') {
self.$(self.element).trigger('update.croppie', data);
}
else {
var ev;
if (window.CustomEvent) {
ev = new CustomEvent('update', { detail: data });
} else {
ev = document.createEvent('CustomEvent');
ev.initCustomEvent('update', true, true, data);
}
self.element.dispatchEvent(ev);
}
}
function _isVisible() {
return this.elements.preview.offsetHeight > 0 && this.elements.preview.offsetWidth > 0;
}
function _updatePropertiesFromImage() {
var self = this,
initialZoom = 1,
cssReset = {},
img = self.elements.preview,
imgData = null,
transformReset = new Transform(0, 0, initialZoom),
originReset = new TransformOrigin(),
isVisible = _isVisible.call(self);
if (!isVisible || self.data.bound) {// if the croppie isn't visible or it doesn't need binding
return;
}
self.data.bound = true;
cssReset[CSS_TRANSFORM] = transformReset.toString();
cssReset[CSS_TRANS_ORG] = originReset.toString();
cssReset['opacity'] = 1;
css(img, cssReset);
imgData = self.elements.preview.getBoundingClientRect();
self._originalImageWidth = imgData.width;
self._originalImageHeight = imgData.height;
self.data.orientation = getExifOrientation(self.elements.img);
if (self.options.enableZoom) {
_updateZoomLimits.call(self, true);
}
else {
self._currentZoom = initialZoom;
}
transformReset.scale = self._currentZoom;
cssReset[CSS_TRANSFORM] = transformReset.toString();
css(img, cssReset);
if (self.data.points.length) {
_bindPoints.call(self, self.data.points);
}
else {
_centerImage.call(self);
}
_updateCenterPoint.call(self);
_updateOverlay.call(self);
}
function _updateZoomLimits (initial) {
var self = this,
minZoom = 0,
maxZoom = self.options.maxZoom || 1.5,
initialZoom,
defaultInitialZoom,
zoomer = self.elements.zoomer,
scale = parseFloat(zoomer.value),
boundaryData = self.elements.boundary.getBoundingClientRect(),
imgData = naturalImageDimensions(self.elements.img, self.data.orientation),
vpData = self.elements.viewport.getBoundingClientRect(),
minW,
minH;
if (self.options.enforceBoundary) {
minW = vpData.width / imgData.width;
minH = vpData.height / imgData.height;
minZoom = Math.max(minW, minH);
}
if (minZoom >= maxZoom) {
maxZoom = minZoom + 1;
}
zoomer.min = fix(minZoom, 4);
zoomer.max = fix(maxZoom, 4);
if (!initial && (scale < zoomer.min || scale > zoomer.max)) {
_setZoomerVal.call(self, scale < zoomer.min ? zoomer.min : zoomer.max);
}
else if (initial) {
defaultInitialZoom = Math.max((boundaryData.width / imgData.width), (boundaryData.height / imgData.height));
initialZoom = self.data.boundZoom !== null ? self.data.boundZoom : defaultInitialZoom;
_setZoomerVal.call(self, initialZoom);
}
dispatchChange(zoomer);
}
function _bindPoints(points) {
if (points.length !== 4) {
throw "Croppie - Invalid number of points supplied: " + points;
}
var self = this,
pointsWidth = points[2] - points[0],
// pointsHeight = points[3] - points[1],
vpData = self.elements.viewport.getBoundingClientRect(),
boundRect = self.elements.boundary.getBoundingClientRect(),
vpOffset = {
left: vpData.left - boundRect.left,
top: vpData.top - boundRect.top
},
scale = vpData.width / pointsWidth,
originTop = points[1],
originLeft = points[0],
transformTop = (-1 * points[1]) + vpOffset.top,
transformLeft = (-1 * points[0]) + vpOffset.left,
newCss = {};
newCss[CSS_TRANS_ORG] = originLeft + 'px ' + originTop + 'px';
newCss[CSS_TRANSFORM] = new Transform(transformLeft, transformTop, scale).toString();
css(self.elements.preview, newCss);
_setZoomerVal.call(self, scale);
self._currentZoom = scale;
}
function _centerImage() {
var self = this,
imgDim = self.elements.preview.getBoundingClientRect(),
vpDim = self.elements.viewport.getBoundingClientRect(),
boundDim = self.elements.boundary.getBoundingClientRect(),
vpLeft = vpDim.left - boundDim.left,
vpTop = vpDim.top - boundDim.top,
w = vpLeft - ((imgDim.width - vpDim.width) / 2),
h = vpTop - ((imgDim.height - vpDim.height) / 2),
transform = new Transform(w, h, self._currentZoom);
css(self.elements.preview, CSS_TRANSFORM, transform.toString());
}
function _transferImageToCanvas(customOrientation) {
var self = this,
canvas = self.elements.canvas,
img = self.elements.img,
ctx = canvas.getContext('2d'),
exif = _hasExif.call(self),
customOrientation = self.options.enableOrientation && customOrientation;
ctx.clearRect(0, 0, canvas.width, canvas.height);
canvas.width = img.width;
canvas.height = img.height;
if (exif && !customOrientation) {
var orientation = getExifOrientation(img);
drawCanvas(canvas, img, num(orientation || 0, 10));
}
else if (customOrientation) {
drawCanvas(canvas, img, customOrientation);
}
}
function _getCanvas(data) {
var self = this,
points = data.points,
left = num(points[0]),
top = num(points[1]),
right = num(points[2]),
bottom = num(points[3]),
width = right-left,
height = bottom-top,
circle = data.circle,
canvas = document.createElement('canvas'),
ctx = canvas.getContext('2d'),
startX = 0,
startY = 0,
canvasWidth = data.outputWidth || width,
canvasHeight = data.outputHeight || height,
customDimensions = (data.outputWidth && data.outputHeight),
outputWidthRatio = 1,
outputHeightRatio = 1;
canvas.width = canvasWidth;
canvas.height = canvasHeight;
if (data.backgroundColor) {
ctx.fillStyle = data.backgroundColor;
ctx.fillRect(0, 0, canvasWidth, canvasHeight);
}
if (self.options.enforceBoundary !== false) {
width = Math.min(width, self._originalImageWidth);
height = Math.min(height, self._originalImageHeight);
}
// console.table({ left, right, top, bottom, canvasWidth, canvasHeight });
ctx.drawImage(this.elements.preview, left, top, width, height, startX, startY, canvasWidth, canvasHeight);
if (circle) {
ctx.fillStyle = '#fff';
ctx.globalCompositeOperation = 'destination-in';
ctx.beginPath();
ctx.arc(canvas.width / 2, canvas.height / 2, canvas.width / 2, 0, Math.PI * 2, true);
ctx.closePath();
ctx.fill();
}
return canvas;
}
function _getHtmlResult(data) {
var points = data.points,
div = document.createElement('div'),
img = document.createElement('img'),
width = points[2] - points[0],
height = points[3] - points[1];
addClass(div, 'croppie-result');
div.appendChild(img);
css(img, {
left: (-1 * points[0]) + 'px',
top: (-1 * points[1]) + 'px'
});
img.src = data.url;
css(div, {
width: width + 'px',
height: height + 'px'
});
return div;
}
function _getBase64Result(data) {
return _getCanvas.call(this, data).toDataURL(data.format, data.quality);
}
function _getBlobResult(data) {
var self = this;
return new Promise(function (resolve, reject) {
_getCanvas.call(self, data).toBlob(function (blob) {
resolve(blob);
}, data.format, data.quality);
});
}
function _replaceImage(img) {
if (this.elements.img.parentNode) {
Array.prototype.forEach.call(this.elements.img.classList, function(c) { img.classList.add(c); });
this.elements.img.parentNode.replaceChild(img, this.elements.img);
this.elements.preview = img; // if the img is attached to the DOM, they're not using the canvas
}
this.elements.img = img;
}
function _bind(options, cb) {
var self = this,
url,
points = [],
zoom = null,
hasExif = _hasExif.call(self);
if (typeof (options) === 'string') {
url = options;
options = {};
}
else if (Array.isArray(options)) {
points = options.slice();
}
else if (typeof (options) === 'undefined' && self.data.url) { //refreshing
_updatePropertiesFromImage.call(self);
_triggerUpdate.call(self);
return null;
}
else {
url = options.url;
points = options.points || [];
zoom = typeof(options.zoom) === 'undefined' ? null : options.zoom;
}
self.data.bound = false;
self.data.url = url || self.data.url;
self.data.boundZoom = zoom;
return loadImage(url, hasExif).then(function (img) {
_replaceImage.call(self, img);
if (!points.length) {
var natDim = naturalImageDimensions(img);
var rect = self.elements.viewport.getBoundingClientRect();
var aspectRatio = rect.width / rect.height;
var imgAspectRatio = natDim.width / natDim.height;
var width, height;
if (imgAspectRatio > aspectRatio) {
height = natDim.height;
width = height * aspectRatio;
}
else {
width = natDim.width;
height = natDim.height / aspectRatio;
}
var x0 = (natDim.width - width) / 2;
var y0 = (natDim.height - height) / 2;
var x1 = x0 + width;
var y1 = y0 + height;
self.data.points = [x0, y0, x1, y1];
}
else if (self.options.relative) {
points = [
points[0] * img.naturalWidth / 100,
points[1] * img.naturalHeight / 100,
points[2] * img.naturalWidth / 100,
points[3] * img.naturalHeight / 100
];
}
self.data.points = points.map(function (p) {
return parseFloat(p);
});
if (self.options.useCanvas) {
_transferImageToCanvas.call(self, options.orientation || 1);
}
_updatePropertiesFromImage.call(self);
_triggerUpdate.call(self);
cb && cb();
}).catch(function (err) {
console.error("Croppie:" + err);
});
}
function fix(v, decimalPoints) {
return parseFloat(v).toFixed(decimalPoints || 0);
}
function _get() {
var self = this,
imgData = self.elements.preview.getBoundingClientRect(),
vpData = self.elements.viewport.getBoundingClientRect(),
x1 = vpData.left - imgData.left,
y1 = vpData.top - imgData.top,
widthDiff = (vpData.width - self.elements.viewport.offsetWidth) / 2, //border
heightDiff = (vpData.height - self.elements.viewport.offsetHeight) / 2,
x2 = x1 + self.elements.viewport.offsetWidth + widthDiff,
y2 = y1 + self.elements.viewport.offsetHeight + heightDiff,
scale = self._currentZoom;
if (scale === Infinity || isNaN(scale)) {
scale = 1;
}
var max = self.options.enforceBoundary ? 0 : Number.NEGATIVE_INFINITY;
x1 = Math.max(max, x1 / scale);
y1 = Math.max(max, y1 / scale);
x2 = Math.max(max, x2 / scale);
y2 = Math.max(max, y2 / scale);
return {
points: [fix(x1), fix(y1), fix(x2), fix(y2)],
zoom: scale,
orientation: self.data.orientation
};
}
var RESULT_DEFAULTS = {
type: 'canvas',
format: 'png',
quality: 1
},
RESULT_FORMATS = ['jpeg', 'webp', 'png'];
function _result(options) {
var self = this,
data = _get.call(self),
opts = deepExtend(clone(RESULT_DEFAULTS), clone(options)),
resultType = (typeof (options) === 'string' ? options : (opts.type || 'base64')),
size = opts.size || 'viewport',
format = opts.format,
quality = opts.quality,
backgroundColor = opts.backgroundColor,
circle = typeof opts.circle === 'boolean' ? opts.circle : (self.options.viewport.type === 'circle'),
vpRect = self.elements.viewport.getBoundingClientRect(),
ratio = vpRect.width / vpRect.height,
prom;
if (size === 'viewport') {
data.outputWidth = vpRect.width;
data.outputHeight = vpRect.height;
} else if (typeof size === 'object') {
if (size.width && size.height) {
data.outputWidth = size.width;
data.outputHeight = size.height;
} else if (size.width) {
data.outputWidth = size.width;
data.outputHeight = size.width / ratio;
} else if (size.height) {
data.outputWidth = size.height * ratio;
data.outputHeight = size.height;
}
}
if (RESULT_FORMATS.indexOf(format) > -1) {
data.format = 'image/' + format;
data.quality = quality;
}
data.circle = circle;
data.url = self.data.url;
data.backgroundColor = backgroundColor;
prom = new Promise(function (resolve, reject) {
switch(resultType.toLowerCase())
{
case 'rawcanvas':
resolve(_getCanvas.call(self, data));
break;
case 'canvas':
case 'base64':
resolve(_getBase64Result.call(self, data));
break;
case 'blob':
_getBlobResult.call(self, data).then(resolve);
break;
default:
resolve(_getHtmlResult.call(self, data));
break;
}
});
return prom;
}
function _refresh() {
_updatePropertiesFromImage.call(this);
}
function _rotate(deg) {
if (!this.options.useCanvas || !this.options.enableOrientation) {
throw 'Croppie: Cannot rotate without enableOrientation && EXIF.js included';
}
var self = this,
canvas = self.elements.canvas,
ornt;
self.data.orientation = getExifOffset(self.data.orientation, deg);
drawCanvas(canvas, self.elements.img, self.data.orientation);
_updateZoomLimits.call(self);
_onZoom.call(self);
copy = null;
}
function _destroy() {
var self = this;
self.element.removeChild(self.elements.boundary);
removeClass(self.element, 'croppie-container');
if (self.options.enableZoom) {
self.element.removeChild(self.elements.zoomerWrap);
}
delete self.elements;
}
if (window.jQuery) {
var $ = window.jQuery;
$.fn.croppie = function (opts) {
var ot = typeof opts;
if (ot === 'string') {
var args = Array.prototype.slice.call(arguments, 1);
var singleInst = $(this).data('croppie');
if (opts === 'get') {
return singleInst.get();
}
else if (opts === 'result') {
return singleInst.result.apply(singleInst, args);
}
else if (opts === 'bind') {
return singleInst.bind.apply(singleInst, args);
}
return this.each(function () {
var i = $(this).data('croppie');
if (!i) return;
var method = i[opts];
if ($.isFunction(method)) {
method.apply(i, args);
if (opts === 'destroy') {
$(this).removeData('croppie');
}
}
else {
throw 'Croppie ' + opts + ' method not found';
}
});
}
else {
return this.each(function () {
var i = new Croppie(this, opts);
i.$ = $;
$(this).data('croppie', i);
});
}
};
}
function Croppie(element, opts) {
if (element.className.indexOf('croppie-container') > -1) {
throw new Error("Croppie: Can't initialize croppie more than once");
}
this.element = element;
this.options = deepExtend(clone(Croppie.defaults), opts);
if (this.element.tagName.toLowerCase() === 'img') {
var origImage = this.element;
addClass(origImage, 'cr-original-image');
setAttributes(origImage, {'aria-hidden' : 'true', 'alt' : '' });
var replacementDiv = document.createElement('div');
this.element.parentNode.appendChild(replacementDiv);
replacementDiv.appendChild(origImage);
this.element = replacementDiv;
this.options.url = this.options.url || origImage.src;
}
_create.call(this);
if (this.options.url) {
var bindOpts = {
url: this.options.url,
points: this.options.points
};
delete this.options['url'];
delete this.options['points'];
_bind.call(this, bindOpts);
}
}
Croppie.defaults = {
viewport: {
width: 100,
height: 100,
type: 'square'
},
boundary: { },
orientationControls: {
enabled: true,
leftClass: '',
rightClass: ''
},
resizeControls: {
width: true,
height: true
},
customClass: '',
showZoomer: true,
enableZoom: true,
enableResize: false,
mouseWheelZoom: true,
enableExif: false,
enforceBoundary: true,
enableOrientation: false,
enableKeyMovement: true,
update: function () { }
};
Croppie.globals = {
translate: 'translate3d'
};
deepExtend(Croppie.prototype, {
bind: function (options, cb) {
return _bind.call(this, options, cb);
},
get: function () {
var data = _get.call(this);
var points = data.points;
if (this.options.relative) {
points[0] /= this.elements.img.naturalWidth / 100;
points[1] /= this.elements.img.naturalHeight / 100;
points[2] /= this.elements.img.naturalWidth / 100;
points[3] /= this.elements.img.naturalHeight / 100;
}
return data;
},
result: function (type) {
return _result.call(this, type);
},
refresh: function () {
return _refresh.call(this);
},
setZoom: function (v) {
_setZoomerVal.call(this, v);
dispatchChange(this.elements.zoomer);
},
rotate: function (deg) {
_rotate.call(this, deg);
},
destroy: function () {
return _destroy.call(this);
}
});
exports.Croppie = window.Croppie = Croppie;
}));