(
function
(global, factory) {
typeof
exports === &
#39;object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof
define === &
#39;function' && define.amd ? define(factory) :
global.layui && layui.define ? layui.define(
function
(exports) {
exports(&
#39;cropper', factory())
}) :
(global.Cropper = factory());
}(
this
, (
function
() {
&
#39;use strict';
function
_typeof(obj) {
if
(
typeof
Symbol ===
"function"
&&
typeof
Symbol.iterator ===
"symbol"
) {
_typeof =
function
(obj) {
return
typeof
obj;
};
}
else
{
_typeof =
function
(obj) {
return
obj &&
typeof
Symbol ===
"function"
&& obj.constructor === Symbol && obj !== Symbol.prototype ?
"symbol"
:
typeof
obj;
};
}
return
_typeof(obj);
}
function
_classCallCheck(instance, Constructor) {
if
(!(instance
instanceof
Constructor)) {
throw
new
TypeError(
"Cannot call a class as a 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);
}
}
function
_createClass(Constructor, protoProps, staticProps) {
if
(protoProps) _defineProperties(Constructor.prototype, protoProps);
if
(staticProps) _defineProperties(Constructor, staticProps);
return
Constructor;
}
function
_toConsumableArray(arr) {
return
_arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
}
function
_arrayWithoutHoles(arr) {
if
(Array.isArray(arr)) {
for
(
var
i = 0, arr2 =
new
Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
return
arr2;
}
}
function
_iterableToArray(iter) {
if
(Symbol.iterator
in
Object(iter) || Object.prototype.toString.call(iter) ===
"[object Arguments]"
)
return
Array.from(iter);
}
function
_nonIterableSpread() {
throw
new
TypeError(
"Invalid attempt to spread non-iterable instance"
);
}
var
IN_BROWSER =
typeof
window !== &
#39;undefined';
var
WINDOW = IN_BROWSER ? window : {};
var
NAMESPACE = &
#39;cropper'; // Actions
var
ACTION_ALL = &
#39;all';
var
ACTION_CROP = &
#39;crop';
var
ACTION_MOVE = &
#39;move';
var
ACTION_ZOOM = &
#39;zoom';
var
ACTION_EAST = &
#39;e';
var
ACTION_WEST = &
#39;w';
var
ACTION_SOUTH = &
#39;s';
var
ACTION_NORTH = &
#39;n';
var
ACTION_NORTH_EAST = &
#39;ne';
var
ACTION_NORTH_WEST = &
#39;nw';
var
ACTION_SOUTH_EAST = &
#39;se';
var
ACTION_SOUTH_WEST = &
#39;sw'; // Classes
var
CLASS_CROP =
""
.concat(NAMESPACE,
"-crop"
);
var
CLASS_DISABLED =
""
.concat(NAMESPACE,
"-disabled"
);
var
CLASS_HIDDEN =
""
.concat(NAMESPACE,
"-hidden"
);
var
CLASS_HIDE =
""
.concat(NAMESPACE,
"-hide"
);
var
CLASS_INVISIBLE =
""
.concat(NAMESPACE,
"-invisible"
);
var
CLASS_MODAL =
""
.concat(NAMESPACE,
"-modal"
);
var
CLASS_MOVE =
""
.concat(NAMESPACE,
"-move"
);
var
DATA_ACTION =
""
.concat(NAMESPACE,
"Action"
);
var
DATA_PREVIEW =
""
.concat(NAMESPACE,
"Preview"
);
var
DRAG_MODE_CROP = &
#39;crop';
var
DRAG_MODE_MOVE = &
#39;move';
var
DRAG_MODE_NONE = &
#39;none'; // Events
var
EVENT_CROP = &
#39;crop';
var
EVENT_CROP_END = &
#39;cropend';
var
EVENT_CROP_MOVE = &
#39;cropmove';
var
EVENT_CROP_START = &
#39;cropstart';
var
EVENT_DBLCLICK = &
#39;dblclick';
var
EVENT_POINTER_DOWN = WINDOW.PointerEvent ? &
#39;pointerdown' : 'touchstart mousedown';
var
EVENT_POINTER_MOVE = WINDOW.PointerEvent ? &
#39;pointermove' : 'touchmove mousemove';
var
EVENT_POINTER_UP = WINDOW.PointerEvent ? &
#39;pointerup pointercancel' : 'touchend touchcancel mouseup';
var
EVENT_READY = &
#39;ready';
var
EVENT_RESIZE = &
#39;resize';
var
EVENT_WHEEL = &
#39;wheel mousewheel DOMMouseScroll';
var
EVENT_ZOOM = &
#39;zoom'; // Mime types
var
MIME_TYPE_JPEG = &
#39;image/jpeg'; // 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 = {
viewMode: 0,
dragMode: DRAG_MODE_CROP,
initialAspectRatio: NaN,
aspectRatio: NaN,
data:
null
,
preview: &
#39;',
responsive:
true
,
restore:
true
,
checkCrossOrigin:
false
,
checkOrientation:
true
,
modal:
true
,
guides:
true
,
center:
true
,
highlight:
true
,
background:
true
,
autoCrop:
true
,
autoCropArea: 0.8,
movable:
true
,
rotatable:
true
,
scalable:
true
,
zoomable:
true
,
zoomOnTouch:
true
,
zoomOnWheel:
true
,
wheelZoomRatio: 0.1,
cropBoxMovable:
true
,
cropBoxResizable:
true
,
toggleDragModeOnDblclick:
true
,
minCanvasWidth: 0,
minCanvasHeight: 0,
minCropBoxWidth: 0,
minCropBoxHeight: 0,
minContainerWidth: 200,
minContainerHeight: 100,
ready:
null
,
cropstart:
null
,
cropmove:
null
,
cropend:
null
,
crop:
null
,
zoom:
null
};
var
TEMPLATE = &
#39;<div class="cropper-container" touch-action="none">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-cropper-action="e"></span>' + '<span class="cropper-line line-n" data-cropper-action="n"></span>' + '<span class="cropper-line line-w" data-cropper-action="w"></span>' + '<span class="cropper-line line-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-e" data-cropper-action="e"></span>' + '<span class="cropper-point point-n" data-cropper-action="n"></span>' + '<span class="cropper-point point-w" data-cropper-action="w"></span>' + '<span class="cropper-point point-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-ne" data-cropper-action="ne"></span>' + '<span class="cropper-point point-nw" data-cropper-action="nw"></span>' + '<span class="cropper-point point-sw" data-cropper-action="sw"></span>' + '<span class="cropper-point point-se" data-cropper-action="se"></span>' + '</div>' + '</div>';
var
isNaN = Number.isNaN || WINDOW.isNaN;
function
isNumber(value) {
return
typeof
value === &
#39;number' && !isNaN(value);
}
function
isUndefined(value) {
return
typeof
value === &
#39;undefined';
}
function
isObject(value) {
return
_typeof(value) === &
#39;object' && value !== null;
}
var
hasOwnProperty = Object.prototype.hasOwnProperty;
function
isPlainObject(value) {
if
(!isObject(value)) {
return
false
;
}
try
{
var
_constructor = value.constructor;
var
prototype = _constructor.prototype;
return
_constructor && prototype && hasOwnProperty.call(prototype, &
#39;isPrototypeOf');
}
catch
(e) {
return
false
;
}
}
function
isFunction(value) {
return
typeof
value === &
#39;function';
}
function
forEach(data, callback) {
if
(data && isFunction(callback)) {
if
(Array.isArray(data) || isNumber(data.length)
) {
var
length = data.length;
var
i;
for
(i = 0; i < length; i += 1) {
if
(callback.call(data, data[i], i, data) ===
false
) {
break
;
}
}
}
else
if
(isObject(data)) {
Object.keys(data).forEach(
function
(key) {
callback.call(data, data[key], key, data);
});
}
}
return
data;
}
var
assign = Object.assign ||
function
assign(obj) {
for
(
var
_len = arguments.length, args =
new
Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
if
(isObject(obj) && args.length > 0) {
args.forEach(
function
(arg) {
if
(isObject(arg)) {
Object.keys(arg).forEach(
function
(key) {
obj[key] = arg[key];
});
}
});
}
return
obj;
};
var
REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/;
function
normalizeDecimalNumber(value) {
var
times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;
return
REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;
}
var
REGEXP_SUFFIX = /^(?:width|height|left|top|marginLeft|marginTop)$/;
function
setStyle(element, styles) {
var
style = element.style;
forEach(styles,
function
(value, property) {
if
(REGEXP_SUFFIX.test(property) && isNumber(value)) {
value += &
#39;px';
}
style[property] = value;
});
}
function
hasClass(element, value) {
return
element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;
}
function
addClass(element, value) {
if
(!value) {
return
;
}
if
(isNumber(element.length)) {
forEach(element,
function
(elem) {
addClass(elem, value);
});
return
;
}
if
(element.classList) {
element.classList.add(value);
return
;
}
var
className = element.className.trim();
if
(!className) {
element.className = value;
}
else
if
(className.indexOf(value) < 0) {
element.className =
""
.concat(className,
" "
).concat(value);
}
}
function
removeClass(element, value) {
if
(!value) {
return
;
}
if
(isNumber(element.length)) {
forEach(element,
function
(elem) {
removeClass(elem, value);
});
return
;
}
if
(element.classList) {
element.classList.remove(value);
return
;
}
if
(element.className.indexOf(value) >= 0) {
element.className = element.className.replace(value, &
#39;');
}
}
function
toggleClass(element, value, added) {
if
(!value) {
return
;
}
if
(isNumber(element.length)) {
forEach(element,
function
(elem) {
toggleClass(elem, value, added);
});
return
;
}
if
(added) {
addClass(element, value);
}
else
{
removeClass(element, value);
}
}
var
REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g;
function
hyphenate(value) {
return
value.replace(REGEXP_HYPHENATE, &
#39;$1-$2').toLowerCase();
}
function
getData(element, name) {
if
(isObject(element[name])) {
return
element[name];
}
if
(element.dataset) {
return
element.dataset[name];
}
return
element.getAttribute(
"data-"
.concat(hyphenate(name)));
}
function
setData(element, name, data) {
if
(isObject(data)) {
element[name] = data;
}
else
if
(element.dataset) {
element.dataset[name] = data;
}
else
{
element.setAttribute(
"data-"
.concat(hyphenate(name)), data);
}
}
function
removeData(element, name) {
if
(isObject(element[name])) {
try
{
delete
element[name];
}
catch
(e) {
element[name] = undefined;
}
}
else
if
(element.dataset) {
try
{
delete
element.dataset[name];
}
catch
(e) {
element.dataset[name] = undefined;
}
}
else
{
element.removeAttribute(
"data-"
.concat(hyphenate(name)));
}
}
var
REGEXP_SPACES = /\s\s*/;
var
onceSupported =
function
() {
var
supported =
false
;
if
(IN_BROWSER) {
var
once =
false
;
var
listener =
function
listener() {
};
var
options = Object.defineProperty({}, &
#39;once', {
get:
function
get() {
supported =
true
;
return
once;
},
set:
function
set(value) {
once = value;
}
});
WINDOW.addEventListener(&
#39;test', listener, options);
WINDOW.removeEventListener(&
#39;test', listener, options);
}
return
supported;
}();
function
removeListener(element, type, listener) {
var
options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
var
handler = listener;
type.trim().split(REGEXP_SPACES).forEach(
function
(event) {
if
(!onceSupported) {
var
listeners = element.listeners;
if
(listeners && listeners[event] && listeners[event][listener]) {
handler = listeners[event][listener];
delete
listeners[event][listener];
if
(Object.keys(listeners[event]).length === 0) {
delete
listeners[event];
}
if
(Object.keys(listeners).length === 0) {
delete
element.listeners;
}
}
}
element.removeEventListener(event, handler, options);
});
}
function
addListener(element, type, listener) {
var
options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
var
_handler = listener;
type.trim().split(REGEXP_SPACES).forEach(
function
(event) {
if
(options.once && !onceSupported) {
var
_element$listeners = element.listeners,
listeners = _element$listeners === void 0 ? {} : _element$listeners;
_handler =
function
handler() {
delete
listeners[event][listener];
element.removeEventListener(event, _handler, options);
for
(
var
_len2 = arguments.length, args =
new
Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
listener.apply(element, args);
};
if
(!listeners[event]) {
listeners[event] = {};
}
if
(listeners[event][listener]) {
element.removeEventListener(event, listeners[event][listener], options);
}
listeners[event][listener] = _handler;
element.listeners = listeners;
}
element.addEventListener(event, _handler, options);
});
}
function
dispatchEvent(element, type, data) {
var
event;
if
(isFunction(Event) && isFunction(CustomEvent)) {
event =
new
CustomEvent(type, {
detail: data,
bubbles:
true
,
cancelable:
true
});
}
else
{
event = document.createEvent(&
#39;CustomEvent');
event.initCustomEvent(type,
true
,
true
, data);
}
return
element.dispatchEvent(event);
}
function
getOffset(element) {
var
box = element.getBoundingClientRect();
return
{
left: box.left + (window.pageXOffset - document.documentElement.clientLeft),
top: box.top + (window.pageYOffset - document.documentElement.clientTop)
};
}
var
location = WINDOW.location;
var
REGEXP_ORIGINS = /^(https?:)\/\/([^:/?
#]+):?(\d*)/i;
function
isCrossOriginURL(url) {
var
parts = url.match(REGEXP_ORIGINS);
return
parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
}
function
addTimestamp(url) {
var
timestamp =
"timestamp="
.concat(
new
Date().getTime());
return
url + (url.indexOf(&
#39;?') === -1 ? '?' : '&') + timestamp;
}
function
getTransforms(_ref) {
var
rotate = _ref.rotate,
scaleX = _ref.scaleX,
scaleY = _ref.scaleY,
translateX = _ref.translateX,
translateY = _ref.translateY;
var
values = [];
if
(isNumber(translateX) && translateX !== 0) {
values.push(
"translateX("
.concat(translateX,
"px)"
));
}
if
(isNumber(translateY) && translateY !== 0) {
values.push(
"translateY("
.concat(translateY,
"px)"
));
}
if
(isNumber(rotate) && rotate !== 0) {
values.push(
"rotate("
.concat(rotate,
"deg)"
));
}
if
(isNumber(scaleX) && scaleX !== 1) {
values.push(
"scaleX("
.concat(scaleX,
")"
));
}
if
(isNumber(scaleY) && scaleY !== 1) {
values.push(
"scaleY("
.concat(scaleY,
")"
));
}
var
transform = values.length ? values.join(&
#39; ') : 'none';
return
{
WebkitTransform: transform,
msTransform: transform,
transform: transform
};
}
function
getMaxZoomRatio(pointers) {
var
pointers2 = assign({}, pointers);
var
ratios = [];
forEach(pointers,
function
(pointer, pointerId) {
delete
pointers2[pointerId];
forEach(pointers2,
function
(pointer2) {
var
x1 = Math.abs(pointer.startX - pointer2.startX);
var
y1 = Math.abs(pointer.startY - pointer2.startY);
var
x2 = Math.abs(pointer.endX - pointer2.endX);
var
y2 = Math.abs(pointer.endY - pointer2.endY);
var
z1 = Math.sqrt(x1 * x1 + y1 * y1);
var
z2 = Math.sqrt(x2 * x2 + y2 * y2);
var
ratio = (z2 - z1) / z1;
ratios.push(ratio);
});
});
ratios.sort(
function
(a, b) {
return
Math.abs(a) < Math.abs(b);
});
return
ratios[0];
}
function
getPointer(_ref2, endOnly) {
var
pageX = _ref2.pageX,
pageY = _ref2.pageY;
var
end = {
endX: pageX,
endY: pageY
};
return
endOnly ? end : assign({
startX: pageX,
startY: pageY
}, end);
}
function
getPointersCenter(pointers) {
var
pageX = 0;
var
pageY = 0;
var
count = 0;
forEach(pointers,
function
(_ref3) {
var
startX = _ref3.startX,
startY = _ref3.startY;
pageX += startX;
pageY += startY;
count += 1;
});
pageX /= count;
pageY /= count;
return
{
pageX: pageX,
pageY: pageY
};
}
var
isFinite = Number.isFinite || WINDOW.isFinite;
function
getAdjustedSizes(_ref4)
{
var
aspectRatio = _ref4.aspectRatio,
height = _ref4.height,
width = _ref4.width;
var
type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : &
#39;contain';
var
isValidNumber =
function
isValidNumber(value) {
return
isFinite(value) && value > 0;
};
if
(isValidNumber(width) && isValidNumber(height)) {
var
adjustedWidth = height * aspectRatio;
if
(type === &
#39;contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) {
height = width / aspectRatio;
}
else
{
width = height * aspectRatio;
}
}
else
if
(isValidNumber(width)) {
height = width / aspectRatio;
}
else
if
(isValidNumber(height)) {
width = height * aspectRatio;
}
return
{
width: width,
height: height
};
}
function
getRotatedSizes(_ref5) {
var
width = _ref5.width,
height = _ref5.height,
degree = _ref5.degree;
degree = Math.abs(degree) % 180;
if
(degree === 90) {
return
{
width: height,
height: width
};
}
var
arc = degree % 90 * Math.PI / 180;
var
sinArc = Math.sin(arc);
var
cosArc = Math.cos(arc);
var
newWidth = width * cosArc + height * sinArc;
var
newHeight = width * sinArc + height * cosArc;
return
degree > 90 ? {
width: newHeight,
height: newWidth
} : {
width: newWidth,
height: newHeight
};
}
function
getSourceCanvas(image, _ref6, _ref7, _ref8) {
var
imageAspectRatio = _ref6.aspectRatio,
imageNaturalWidth = _ref6.naturalWidth,
imageNaturalHeight = _ref6.naturalHeight,
_ref6$rotate = _ref6.rotate,
rotate = _ref6$rotate === void 0 ? 0 : _ref6$rotate,
_ref6$scaleX = _ref6.scaleX,
scaleX = _ref6$scaleX === void 0 ? 1 : _ref6$scaleX,
_ref6$scaleY = _ref6.scaleY,
scaleY = _ref6$scaleY === void 0 ? 1 : _ref6$scaleY;
var
aspectRatio = _ref7.aspectRatio,
naturalWidth = _ref7.naturalWidth,
naturalHeight = _ref7.naturalHeight;
var
_ref8$fillColor = _ref8.fillColor,
fillColor = _ref8$fillColor === void 0 ? &
#39;transparent' : _ref8$fillColor,
_ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
imageSmoothingEnabled = _ref8$imageSmoothingE === void 0 ?
true
: _ref8$imageSmoothingE,
_ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
imageSmoothingQuality = _ref8$imageSmoothingQ === void 0 ? &
#39;low' : _ref8$imageSmoothingQ,
_ref8$maxWidth = _ref8.maxWidth,
maxWidth = _ref8$maxWidth === void 0 ? Infinity : _ref8$maxWidth,
_ref8$maxHeight = _ref8.maxHeight,
maxHeight = _ref8$maxHeight === void 0 ? Infinity : _ref8$maxHeight,
_ref8$minWidth = _ref8.minWidth,
minWidth = _ref8$minWidth === void 0 ? 0 : _ref8$minWidth,
_ref8$minHeight = _ref8.minHeight,
minHeight = _ref8$minHeight === void 0 ? 0 : _ref8$minHeight;
var
canvas = document.createElement(&
#39;canvas');
var
context = canvas.getContext(&
#39;2d');
var
maxSizes = getAdjustedSizes({
aspectRatio: aspectRatio,
width: maxWidth,
height: maxHeight
});
var
minSizes = getAdjustedSizes({
aspectRatio: aspectRatio,
width: minWidth,
height: minHeight
}, &
#39;cover');
var
width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
var
height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));
var
destMaxSizes = getAdjustedSizes({
aspectRatio: imageAspectRatio,
width: maxWidth,
height: maxHeight
});
var
destMinSizes = getAdjustedSizes({
aspectRatio: imageAspectRatio,
width: minWidth,
height: minHeight
}, &
#39;cover');
var
destWidth = Math.min(destMaxSizes.width, Math.max(destMinSizes.width, imageNaturalWidth));
var
destHeight = Math.min(destMaxSizes.height, Math.max(destMinSizes.height, imageNaturalHeight));
var
params = [-destWidth / 2, -destHeight / 2, destWidth, destHeight];
canvas.width = normalizeDecimalNumber(width);
canvas.height = normalizeDecimalNumber(height);
context.fillStyle = fillColor;
context.fillRect(0, 0, width, height);
context.save();
context.translate(width / 2, height / 2);
context.rotate(rotate * Math.PI / 180);
context.scale(scaleX, scaleY);
context.imageSmoothingEnabled = imageSmoothingEnabled;
context.imageSmoothingQuality = imageSmoothingQuality;
context.drawImage.apply(context, [image].concat(_toConsumableArray(params.map(
function
(param) {
return
Math.floor(normalizeDecimalNumber(param));
}))));
context.restore();
return
canvas;
}
var
fromCharCode = String.fromCharCode;
function
getStringFromCharCode(dataView, start, length) {
var
str = &
#39;';
var
i;
length += start;
for
(i = start; i < length; i += 1) {
str += fromCharCode(dataView.getUint8(i));
}
return
str;
}
var
REGEXP_DATA_URL_HEAD = /^data:.*,/;
function
dataURLToArrayBuffer(dataURL) {
var
base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, &
#39;');
var
binary = atob(base64);
var
arrayBuffer =
new
ArrayBuffer(binary.length);
var
uint8 =
new
Uint8Array(arrayBuffer);
forEach(uint8,
function
(value, i) {
uint8[i] = binary.charCodeAt(i);
});
return
arrayBuffer;
}
function
arrayBufferToDataURL(arrayBuffer, mimeType) {
var
chunks = [];
var
chunkSize = 8192;
var
uint8 =
new
Uint8Array(arrayBuffer);
while
(uint8.length > 0) {
chunks.push(fromCharCode.apply(void 0, _toConsumableArray(uint8.subarray(0, chunkSize))));
uint8 = uint8.subarray(chunkSize);
}
return
"data:"
.concat(mimeType,
";base64,"
).concat(btoa(chunks.join(&
#39;')));
}
function
resetAndGetOrientation(arrayBuffer) {
var
dataView =
new
DataView(arrayBuffer);
var
orientation;
try
{
var
littleEndian;
var
app1Start;
var
ifdStart;
if
(dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
var
length = dataView.byteLength;
var
offset = 2;
while
(offset + 1 < 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) === &
#39;Exif') {
var
endianness = dataView.getUint16(tiffOffset);
littleEndian = endianness === 0x4949;
if
(littleEndian || endianness === 0x4D4D
) {
if
(dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
var
firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
if
(firstIFDOffset >= 0x00000008) {
ifdStart = tiffOffset + firstIFDOffset;
}
}
}
}
}
if
(ifdStart) {
var
_length = dataView.getUint16(ifdStart, littleEndian);
var
_offset;
var
i;
for
(i = 0; i < _length; i += 1) {
_offset = ifdStart + i * 12 + 2;
if
(dataView.getUint16(_offset, littleEndian) === 0x0112
) {
_offset += 8;
orientation = dataView.getUint16(_offset, littleEndian);
dataView.setUint16(_offset, 1, littleEndian);
break
;
}
}
}
}
catch
(e) {
orientation = 1;
}
return
orientation;
}
function
parseOrientation(orientation) {
var
rotate = 0;
var
scaleX = 1;
var
scaleY = 1;
switch
(orientation) {
case
2:
scaleX = -1;
break
;
case
3:
rotate = -180;
break
;
case
4:
scaleY = -1;
break
;
case
5:
rotate = 90;
scaleY = -1;
break
;
case
6:
rotate = 90;
break
;
case
7:
rotate = 90;
scaleX = -1;
break
;
case
8:
rotate = -90;
break
;
default
:
}
return
{
rotate: rotate,
scaleX: scaleX,
scaleY: scaleY
};
}
var
render = {
render:
function
render() {
this
.initContainer();
this
.initCanvas();
this
.initCropBox();
this
.renderCanvas();
if
(
this
.cropped) {
this
.renderCropBox();
}
},
initContainer:
function
initContainer() {
var
element =
this
.element,
options =
this
.options,
container =
this
.container,
cropper =
this
.cropper;
addClass(cropper, CLASS_HIDDEN);
removeClass(element, CLASS_HIDDEN);
var
containerData = {
width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200),
height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100)
};
this
.containerData = containerData;
setStyle(cropper, {
width: containerData.width,
height: containerData.height
});
addClass(element, CLASS_HIDDEN);
removeClass(cropper, CLASS_HIDDEN);
},
initCanvas:
function
initCanvas() {
var
containerData =
this
.containerData,
imageData =
this
.imageData;
var
viewMode =
this
.options.viewMode;
var
rotated = Math.abs(imageData.rotate) % 180 === 90;
var
naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth;
var
naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight;
var
aspectRatio = naturalWidth / naturalHeight;
var
canvasWidth = containerData.width;
var
canvasHeight = containerData.height;
if
(containerData.height * aspectRatio > containerData.width) {
if
(viewMode === 3) {
canvasWidth = containerData.height * aspectRatio;
}
else
{
canvasHeight = containerData.width / aspectRatio;
}
}
else
if
(viewMode === 3) {
canvasHeight = containerData.width / aspectRatio;
}
else
{
canvasWidth = containerData.height * aspectRatio;
}
var
canvasData = {
aspectRatio: aspectRatio,
naturalWidth: naturalWidth,
naturalHeight: naturalHeight,
width: canvasWidth,
height: canvasHeight
};
canvasData.left = (containerData.width - canvasWidth) / 2;
canvasData.top = (containerData.height - canvasHeight) / 2;
canvasData.oldLeft = canvasData.left;
canvasData.oldTop = canvasData.top;
this
.canvasData = canvasData;
this
.limited = viewMode === 1 || viewMode === 2;
this
.limitCanvas(
true
,
true
);
this
.initialImageData = assign({}, imageData);
this
.initialCanvasData = assign({}, canvasData);
},
limitCanvas:
function
limitCanvas(sizeLimited, positionLimited) {
var
options =
this
.options,
containerData =
this
.containerData,
canvasData =
this
.canvasData,
cropBoxData =
this
.cropBoxData;
var
viewMode = options.viewMode;
var
aspectRatio = canvasData.aspectRatio;
var
cropped =
this
.cropped && cropBoxData;
if
(sizeLimited) {
var
minCanvasWidth = Number(options.minCanvasWidth) || 0;
var
minCanvasHeight = Number(options.minCanvasHeight) || 0;
if
(viewMode > 1) {
minCanvasWidth = Math.max(minCanvasWidth, containerData.width);
minCanvasHeight = Math.max(minCanvasHeight, containerData.height);
if
(viewMode === 3) {
if
(minCanvasHeight * aspectRatio > minCanvasWidth) {
minCanvasWidth = minCanvasHeight * aspectRatio;
}
else
{
minCanvasHeight = minCanvasWidth / aspectRatio;
}
}
}
else
if
(viewMode > 0) {
if
(minCanvasWidth) {
minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBoxData.width : 0);
}
else
if
(minCanvasHeight) {
minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBoxData.height : 0);
}
else
if
(cropped) {
minCanvasWidth = cropBoxData.width;
minCanvasHeight = cropBoxData.height;
if
(minCanvasHeight * aspectRatio > minCanvasWidth) {
minCanvasWidth = minCanvasHeight * aspectRatio;
}
else
{
minCanvasHeight = minCanvasWidth / aspectRatio;
}
}
}
var
_getAdjustedSizes = getAdjustedSizes({
aspectRatio: aspectRatio,
width: minCanvasWidth,
height: minCanvasHeight
});
minCanvasWidth = _getAdjustedSizes.width;
minCanvasHeight = _getAdjustedSizes.height;
canvasData.minWidth = minCanvasWidth;
canvasData.minHeight = minCanvasHeight;
canvasData.maxWidth = Infinity;
canvasData.maxHeight = Infinity;
}
if
(positionLimited) {
if
(viewMode > (cropped ? 0 : 1)) {
var
newCanvasLeft = containerData.width - canvasData.width;
var
newCanvasTop = containerData.height - canvasData.height;
canvasData.minLeft = Math.min(0, newCanvasLeft);
canvasData.minTop = Math.min(0, newCanvasTop);
canvasData.maxLeft = Math.max(0, newCanvasLeft);
canvasData.maxTop = Math.max(0, newCanvasTop);
if
(cropped &&
this
.limited) {
canvasData.minLeft = Math.min(cropBoxData.left, cropBoxData.left + (cropBoxData.width - canvasData.width));
canvasData.minTop = Math.min(cropBoxData.top, cropBoxData.top + (cropBoxData.height - canvasData.height));
canvasData.maxLeft = cropBoxData.left;
canvasData.maxTop = cropBoxData.top;
if
(viewMode === 2) {
if
(canvasData.width >= containerData.width) {
canvasData.minLeft = Math.min(0, newCanvasLeft);
canvasData.maxLeft = Math.max(0, newCanvasLeft);
}
if
(canvasData.height >= containerData.height) {
canvasData.minTop = Math.min(0, newCanvasTop);
canvasData.maxTop = Math.max(0, newCanvasTop);
}
}
}
}
else
{
canvasData.minLeft = -canvasData.width;
canvasData.minTop = -canvasData.height;
canvasData.maxLeft = containerData.width;
canvasData.maxTop = containerData.height;
}
}
},
renderCanvas:
function
renderCanvas(changed, transformed) {
var
canvasData =
this
.canvasData,
imageData =
this
.imageData;
if
(transformed) {
var
_getRotatedSizes = getRotatedSizes({
width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1),
height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1),
degree: imageData.rotate || 0
}),
naturalWidth = _getRotatedSizes.width,
naturalHeight = _getRotatedSizes.height;
var
width = canvasData.width * (naturalWidth / canvasData.naturalWidth);
var
height = canvasData.height * (naturalHeight / canvasData.naturalHeight);
canvasData.left -= (width - canvasData.width) / 2;
canvasData.top -= (height - canvasData.height) / 2;
canvasData.width = width;
canvasData.height = height;
canvasData.aspectRatio = naturalWidth / naturalHeight;
canvasData.naturalWidth = naturalWidth;
canvasData.naturalHeight = naturalHeight;
this
.limitCanvas(
true
,
false
);
}
if
(canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) {
canvasData.left = canvasData.oldLeft;
}
if
(canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) {
canvasData.top = canvasData.oldTop;
}
canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth);
canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight);
this
.limitCanvas(
false
,
true
);
canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft);
canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop);
canvasData.oldLeft = canvasData.left;
canvasData.oldTop = canvasData.top;
setStyle(
this
.canvas, assign({
width: canvasData.width,
height: canvasData.height
}, getTransforms({
translateX: canvasData.left,
translateY: canvasData.top
})));
this
.renderImage(changed);
if
(
this
.cropped &&
this
.limited) {
this
.limitCropBox(
true
,
true
);
}
},
renderImage:
function
renderImage(changed) {
var
canvasData =
this
.canvasData,
imageData =
this
.imageData;
var
width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth);
var
height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight);
assign(imageData, {
width: width,
height: height,
left: (canvasData.width - width) / 2,
top: (canvasData.height - height) / 2
});
setStyle(
this
.image, assign({
width: imageData.width,
height: imageData.height
}, getTransforms(assign({
translateX: imageData.left,
translateY: imageData.top
}, imageData))));
if
(changed) {
this
.output();
}
},
initCropBox:
function
initCropBox() {
var
options =
this
.options,
canvasData =
this
.canvasData;
var
aspectRatio = options.aspectRatio || options.initialAspectRatio;
var
autoCropArea = Number(options.autoCropArea) || 0.8;
var
cropBoxData = {
width: canvasData.width,
height: canvasData.height
};
if
(aspectRatio) {
if
(canvasData.height * aspectRatio > canvasData.width) {
cropBoxData.height = cropBoxData.width / aspectRatio;
}
else
{
cropBoxData.width = cropBoxData.height * aspectRatio;
}
}
this
.cropBoxData = cropBoxData;
this
.limitCropBox(
true
,
true
);
cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);
cropBoxData.width = Math.max(cropBoxData.minWidth, cropBoxData.width * autoCropArea);
cropBoxData.height = Math.max(cropBoxData.minHeight, cropBoxData.height * autoCropArea);
cropBoxData.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2;
cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2;
cropBoxData.oldLeft = cropBoxData.left;
cropBoxData.oldTop = cropBoxData.top;
this
.initialCropBoxData = assign({}, cropBoxData);
},
limitCropBox:
function
limitCropBox(sizeLimited, positionLimited) {
var
options =
this
.options,
containerData =
this
.containerData,
canvasData =
this
.canvasData,
cropBoxData =
this
.cropBoxData,
limited =
this
.limited;
var
aspectRatio = options.aspectRatio;
if
(sizeLimited) {
var
minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
var
minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
var
maxCropBoxWidth = limited ? Math.min(containerData.width, canvasData.width, canvasData.width + canvasData.left, containerData.width - canvasData.left) : containerData.width;
var
maxCropBoxHeight = limited ? Math.min(containerData.height, canvasData.height, canvasData.height + canvasData.top, containerData.height - canvasData.top) : containerData.height;
minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width);
minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height);
if
(aspectRatio) {
if
(minCropBoxWidth && minCropBoxHeight) {
if
(minCropBoxHeight * aspectRatio > minCropBoxWidth) {
minCropBoxHeight = minCropBoxWidth / aspectRatio;
}
else
{
minCropBoxWidth = minCropBoxHeight * aspectRatio;
}
}
else
if
(minCropBoxWidth) {
minCropBoxHeight = minCropBoxWidth / aspectRatio;
}
else
if
(minCropBoxHeight) {
minCropBoxWidth = minCropBoxHeight * aspectRatio;
}
if
(maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
}
else
{
maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
}
}
cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
cropBoxData.maxWidth = maxCropBoxWidth;
cropBoxData.maxHeight = maxCropBoxHeight;
}
if
(positionLimited) {
if
(limited) {
cropBoxData.minLeft = Math.max(0, canvasData.left);
cropBoxData.minTop = Math.max(0, canvasData.top);
cropBoxData.maxLeft = Math.min(containerData.width, canvasData.left + canvasData.width) - cropBoxData.width;
cropBoxData.maxTop = Math.min(containerData.height, canvasData.top + canvasData.height) - cropBoxData.height;
}
else
{
cropBoxData.minLeft = 0;
cropBoxData.minTop = 0;
cropBoxData.maxLeft = containerData.width - cropBoxData.width;
cropBoxData.maxTop = containerData.height - cropBoxData.height;
}
}
},
renderCropBox:
function
renderCropBox() {
var
options =
this
.options,
containerData =
this
.containerData,
cropBoxData =
this
.cropBoxData;
if
(cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) {
cropBoxData.left = cropBoxData.oldLeft;
}
if
(cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) {
cropBoxData.top = cropBoxData.oldTop;
}
cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);
this
.limitCropBox(
false
,
true
);
cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft);
cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop);
cropBoxData.oldLeft = cropBoxData.left;
cropBoxData.oldTop = cropBoxData.top;
if
(options.movable && options.cropBoxMovable) {
setData(
this
.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL);
}
setStyle(
this
.cropBox, assign({
width: cropBoxData.width,
height: cropBoxData.height
}, getTransforms({
translateX: cropBoxData.left,
translateY: cropBoxData.top
})));
if
(
this
.cropped &&
this
.limited) {
this
.limitCanvas(
true
,
true
);
}
if
(!
this
.disabled) {
this
.output();
}
},
output:
function
output() {
this
.preview();
dispatchEvent(
this
.element, EVENT_CROP,
this
.getData());
}
};
var
preview = {
initPreview:
function
initPreview() {
var
crossOrigin =
this
.crossOrigin;
var
preview =
this
.options.preview;
var
url = crossOrigin ?
this
.crossOriginUrl :
this
.url;
var
image = document.createElement(&
#39;img');
if
(crossOrigin) {
image.crossOrigin = crossOrigin;
}
image.src = url;
this
.viewBox.appendChild(image);
this
.viewBoxImage = image;
if
(!preview) {
return
;
}
var
previews = preview;
if
(
typeof
preview === &
#39;string') {
previews =
this
.element.ownerDocument.querySelectorAll(preview);
}
else
if
(preview.querySelector) {
previews = [preview];
}
this
.previews = previews;
forEach(previews,
function
(el) {
var
img = document.createElement(&
#39;img'); // Save the original size for recover
setData(el, DATA_PREVIEW, {
width: el.offsetWidth,
height: el.offsetHeight,
html: el.innerHTML
});
if
(crossOrigin) {
img.crossOrigin = crossOrigin;
}
img.src = url;
img.style.cssText = &
#39;display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';
el.innerHTML = &
#39;';
el.appendChild(img);
});
},
resetPreview:
function
resetPreview() {
forEach(
this
.previews,
function
(element) {
var
data = getData(element, DATA_PREVIEW);
setStyle(element, {
width: data.width,
height: data.height
});
element.innerHTML = data.html;
removeData(element, DATA_PREVIEW);
});
},
preview:
function
preview() {
var
imageData =
this
.imageData,
canvasData =
this
.canvasData,
cropBoxData =
this
.cropBoxData;
var
cropBoxWidth = cropBoxData.width,
cropBoxHeight = cropBoxData.height;
var
width = imageData.width,
height = imageData.height;
var
left = cropBoxData.left - canvasData.left - imageData.left;
var
top = cropBoxData.top - canvasData.top - imageData.top;
if
(!
this
.cropped ||
this
.disabled) {
return
;
}
setStyle(
this
.viewBoxImage, assign({
width: width,
height: height
}, getTransforms(assign({
translateX: -left,
translateY: -top
}, imageData))));
forEach(
this
.previews,
function
(element) {
var
data = getData(element, DATA_PREVIEW);
var
originalWidth = data.width;
var
originalHeight = data.height;
var
newWidth = originalWidth;
var
newHeight = originalHeight;
var
ratio = 1;
if
(cropBoxWidth) {
ratio = originalWidth / cropBoxWidth;
newHeight = cropBoxHeight * ratio;
}
if
(cropBoxHeight && newHeight > originalHeight) {
ratio = originalHeight / cropBoxHeight;
newWidth = cropBoxWidth * ratio;
newHeight = originalHeight;
}
setStyle(element, {
width: newWidth,
height: newHeight
});
setStyle(element.getElementsByTagName(&
#39;img')[0], assign({
width: width * ratio,
height: height * ratio
}, getTransforms(assign({
translateX: -left * ratio,
translateY: -top * ratio
}, imageData))));
});
}
};
var
events = {
bind:
function
bind() {
var
element =
this
.element,
options =
this
.options,
cropper =
this
.cropper;
if
(isFunction(options.cropstart)) {
addListener(element, EVENT_CROP_START, options.cropstart);
}
if
(isFunction(options.cropmove)) {
addListener(element, EVENT_CROP_MOVE, options.cropmove);
}
if
(isFunction(options.cropend)) {
addListener(element, EVENT_CROP_END, options.cropend);
}
if
(isFunction(options.crop)) {
addListener(element, EVENT_CROP, options.crop);
}
if
(isFunction(options.zoom)) {
addListener(element, EVENT_ZOOM, options.zoom);
}
addListener(cropper, EVENT_POINTER_DOWN,
this
.onCropStart =
this
.cropStart.bind(
this
));
if
(options.zoomable && options.zoomOnWheel) {
addListener(cropper, EVENT_WHEEL,
this
.onWheel =
this
.wheel.bind(
this
));
}
if
(options.toggleDragModeOnDblclick) {
addListener(cropper, EVENT_DBLCLICK,
this
.onDblclick =
this
.dblclick.bind(
this
));
}
addListener(element.ownerDocument, EVENT_POINTER_MOVE,
this
.onCropMove =
this
.cropMove.bind(
this
));
addListener(element.ownerDocument, EVENT_POINTER_UP,
this
.onCropEnd =
this
.cropEnd.bind(
this
));
if
(options.responsive) {
addListener(window, EVENT_RESIZE,
this
.onResize =
this
.resize.bind(
this
));
}
},
unbind:
function
unbind() {
var
element =
this
.element,
options =
this
.options,
cropper =
this
.cropper;
if
(isFunction(options.cropstart)) {
removeListener(element, EVENT_CROP_START, options.cropstart);
}
if
(isFunction(options.cropmove)) {
removeListener(element, EVENT_CROP_MOVE, options.cropmove);
}
if
(isFunction(options.cropend)) {
removeListener(element, EVENT_CROP_END, options.cropend);
}
if
(isFunction(options.crop)) {
removeListener(element, EVENT_CROP, options.crop);
}
if
(isFunction(options.zoom)) {
removeListener(element, EVENT_ZOOM, options.zoom);
}
removeListener(cropper, EVENT_POINTER_DOWN,
this
.onCropStart);
if
(options.zoomable && options.zoomOnWheel) {
removeListener(cropper, EVENT_WHEEL,
this
.onWheel);
}
if
(options.toggleDragModeOnDblclick) {
removeListener(cropper, EVENT_DBLCLICK,
this
.onDblclick);
}
removeListener(element.ownerDocument, EVENT_POINTER_MOVE,
this
.onCropMove);
removeListener(element.ownerDocument, EVENT_POINTER_UP,
this
.onCropEnd);
if
(options.responsive) {
removeListener(window, EVENT_RESIZE,
this
.onResize);
}
}
};
var
handlers = {
resize:
function
resize() {
var
options =
this
.options,
container =
this
.container,
containerData =
this
.containerData;
var
minContainerWidth = Number(options.minContainerWidth) || 200;
var
minContainerHeight = Number(options.minContainerHeight) || 100;
if
(
this
.disabled || containerData.width <= minContainerWidth || containerData.height <= minContainerHeight) {
return
;
}
var
ratio = container.offsetWidth / containerData.width;
if
(ratio !== 1 || container.offsetHeight !== containerData.height) {
var
canvasData;
var
cropBoxData;
if
(options.restore) {
canvasData =
this
.getCanvasData();
cropBoxData =
this
.getCropBoxData();
}
this
.render();
if
(options.restore) {
this
.setCanvasData(forEach(canvasData,
function
(n, i) {
canvasData[i] = n * ratio;
}));
this
.setCropBoxData(forEach(cropBoxData,
function
(n, i) {
cropBoxData[i] = n * ratio;
}));
}
}
},
dblclick:
function
dblclick() {
if
(
this
.disabled ||
this
.options.dragMode === DRAG_MODE_NONE) {
return
;
}
this
.setDragMode(hasClass(
this
.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
},
wheel:
function
wheel(e) {
var
_this =
this
;
var
ratio = Number(
this
.options.wheelZoomRatio) || 0.1;
var
delta = 1;
if
(
this
.disabled) {
return
;
}
e.preventDefault();
if
(
this
.wheeling) {
return
;
}
this
.wheeling =
true
;
setTimeout(
function
() {
_this.wheeling =
false
;
}, 50);
if
(e.deltaY) {
delta = e.deltaY > 0 ? 1 : -1;
}
else
if
(e.wheelDelta) {
delta = -e.wheelDelta / 120;
}
else
if
(e.detail) {
delta = e.detail > 0 ? 1 : -1;
}
this
.zoom(-delta * ratio, e);
},
cropStart:
function
cropStart(e) {
if
(
this
.disabled) {
return
;
}
var
options =
this
.options,
pointers =
this
.pointers;
var
action;
if
(e.changedTouches) {
forEach(e.changedTouches,
function
(touch) {
pointers[touch.identifier] = getPointer(touch);
});
}
else
{
pointers[e.pointerId || 0] = getPointer(e);
}
if
(Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
action = ACTION_ZOOM;
}
else
{
action = getData(e.target, DATA_ACTION);
}
if
(!REGEXP_ACTIONS.test(action)) {
return
;
}
if
(dispatchEvent(
this
.element, EVENT_CROP_START, {
originalEvent: e,
action: action
}) ===
false
) {
return
;
}
e.preventDefault();
this
.action = action;
this
.cropping =
false
;
if
(action === ACTION_CROP) {
this
.cropping =
true
;
addClass(
this
.dragBox, CLASS_MODAL);
}
},
cropMove:
function
cropMove(e) {
var
action =
this
.action;
if
(
this
.disabled || !action) {
return
;
}
var
pointers =
this
.pointers;
e.preventDefault();
if
(dispatchEvent(
this
.element, EVENT_CROP_MOVE, {
originalEvent: e,
action: action
}) ===
false
) {
return
;
}
if
(e.changedTouches) {
forEach(e.changedTouches,
function
(touch) {
assign(pointers[touch.identifier] || {}, getPointer(touch,
true
));
});
}
else
{
assign(pointers[e.pointerId || 0] || {}, getPointer(e,
true
));
}
this
.change(e);
},
cropEnd:
function
cropEnd(e) {
if
(
this
.disabled) {
return
;
}
var
action =
this
.action,
pointers =
this
.pointers;
if
(e.changedTouches) {
forEach(e.changedTouches,
function
(touch) {
delete
pointers[touch.identifier];
});
}
else
{
delete
pointers[e.pointerId || 0];
}
if
(!action) {
return
;
}
e.preventDefault();
if
(!Object.keys(pointers).length) {
this
.action = &
#39;';
}
if
(
this
.cropping) {
this
.cropping =
false
;
toggleClass(
this
.dragBox, CLASS_MODAL,
this
.cropped &&
this
.options.modal);
}
dispatchEvent(
this
.element, EVENT_CROP_END, {
originalEvent: e,
action: action
});
}
};
var
change = {
change:
function
change(e) {
var
options =
this
.options,
canvasData =
this
.canvasData,
containerData =
this
.containerData,
cropBoxData =
this
.cropBoxData,
pointers =
this
.pointers;
var
action =
this
.action;
var
aspectRatio = options.aspectRatio;
var
left = cropBoxData.left,
top = cropBoxData.top,
width = cropBoxData.width,
height = cropBoxData.height;
var
right = left + width;
var
bottom = top + height;
var
minLeft = 0;
var
minTop = 0;
var
maxWidth = containerData.width;
var
maxHeight = containerData.height;
var
renderable =
true
;
var
offset;
if
(!aspectRatio && e.shiftKey) {
aspectRatio = width && height ? width / height : 1;
}
if
(
this
.limited) {
minLeft = cropBoxData.minLeft;
minTop = cropBoxData.minTop;
maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width);
maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height);
}
var
pointer = pointers[Object.keys(pointers)[0]];
var
range = {
x: pointer.endX - pointer.startX,
y: pointer.endY - pointer.startY
};
var
check =
function
check(side) {
switch
(side) {
case
ACTION_EAST:
if
(right + range.x > maxWidth) {
range.x = maxWidth - right;
}
break
;
case
ACTION_WEST:
if
(left + range.x < minLeft) {
range.x = minLeft - left;
}
break
;
case
ACTION_NORTH:
if
(top + range.y < minTop) {
range.y = minTop - top;
}
break
;
case
ACTION_SOUTH:
if
(bottom + range.y > maxHeight) {
range.y = maxHeight - bottom;
}
break
;
default
:
}
};
switch
(action) {
case
ACTION_ALL:
left += range.x;
top += range.y;
break
;
case
ACTION_EAST:
if
(range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
renderable =
false
;
break
;
}
check(ACTION_EAST);
width += range.x;
if
(width < 0) {
action = ACTION_WEST;
width = -width;
left -= width;
}
if
(aspectRatio) {
height = width / aspectRatio;
top += (cropBoxData.height - height) / 2;
}
break
;
case
ACTION_NORTH:
if
(range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) {
renderable =
false
;
break
;
}
check(ACTION_NORTH);
height -= range.y;
top += range.y;
if
(height < 0) {
action = ACTION_SOUTH;
height = -height;
top -= height;
}
if
(aspectRatio) {
width = height * aspectRatio;
left += (cropBoxData.width - width) / 2;
}
break
;
case
ACTION_WEST:
if
(range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
renderable =
false
;
break
;
}
check(ACTION_WEST);
width -= range.x;
left += range.x;
if
(width < 0) {
action = ACTION_EAST;
width = -width;
left -= width;
}
if
(aspectRatio) {
height = width / aspectRatio;
top += (cropBoxData.height - height) / 2;
}
break
;
case
ACTION_SOUTH:
if
(range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {
renderable =
false
;
break
;
}
check(ACTION_SOUTH);
height += range.y;
if
(height < 0) {
action = ACTION_NORTH;
height = -height;
top -= height;
}
if
(aspectRatio) {
width = height * aspectRatio;
left += (cropBoxData.width - width) / 2;
}
break
;
case
ACTION_NORTH_EAST:
if
(aspectRatio) {
if
(range.y <= 0 && (top <= minTop || right >= maxWidth)) {
renderable =
false
;
break
;
}
check(ACTION_NORTH);
height -= range.y;
top += range.y;
width = height * aspectRatio;
}
else
{
check(ACTION_NORTH);
check(ACTION_EAST);
if
(range.x >= 0) {
if
(right < maxWidth) {
width += range.x;
}
else
if
(range.y <= 0 && top <= minTop) {
renderable =
false
;
}
}
else
{
width += range.x;
}
if
(range.y <= 0) {
if
(top > minTop) {
height -= range.y;
top += range.y;
}
}
else
{
height -= range.y;
top += range.y;
}
}
if
(width < 0 && height < 0) {
action = ACTION_SOUTH_WEST;
height = -height;
width = -width;
top -= height;
left -= width;
}
else
if
(width < 0) {
action = ACTION_NORTH_WEST;
width = -width;
left -= width;
}
else
if
(height < 0) {
action = ACTION_SOUTH_EAST;
height = -height;
top -= height;
}
break
;
case
ACTION_NORTH_WEST:
if
(aspectRatio) {
if
(range.y <= 0 && (top <= minTop || left <= minLeft)) {
renderable =
false
;
break
;
}
check(ACTION_NORTH);
height -= range.y;
top += range.y;
width = height * aspectRatio;
left += cropBoxData.width - width;
}
else
{
check(ACTION_NORTH);
check(ACTION_WEST);
if
(range.x <= 0) {
if
(left > minLeft) {
width -= range.x;
left += range.x;
}
else
if
(range.y <= 0 && top <= minTop) {
renderable =
false
;
}
}
else
{
width -= range.x;
left += range.x;
}
if
(range.y <= 0) {
if
(top > minTop) {
height -= range.y;
top += range.y;
}
}
else
{
height -= range.y;
top += range.y;
}
}
if
(width < 0 && height < 0) {
action = ACTION_SOUTH_EAST;
height = -height;
width = -width;
top -= height;
left -= width;
}
else
if
(width < 0) {
action = ACTION_NORTH_EAST;
width = -width;
left -= width;
}
else
if
(height < 0) {
action = ACTION_SOUTH_WEST;
height = -height;
top -= height;
}
break
;
case
ACTION_SOUTH_WEST:
if
(aspectRatio) {
if
(range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
renderable =
false
;
break
;
}
check(ACTION_WEST);
width -= range.x;
left += range.x;
height = width / aspectRatio;
}
else
{
check(ACTION_SOUTH);
check(ACTION_WEST);
if
(range.x <= 0) {
if
(left > minLeft) {
width -= range.x;
left += range.x;
}
else
if
(range.y >= 0 && bottom >= maxHeight) {
renderable =
false
;
}
}
else
{
width -= range.x;
left += range.x;
}
if
(range.y >= 0) {
if
(bottom < maxHeight) {
height += range.y;
}
}
else
{
height += range.y;
}
}
if
(width < 0 && height < 0) {
action = ACTION_NORTH_EAST;
height = -height;
width = -width;
top -= height;
left -= width;
}
else
if
(width < 0) {
action = ACTION_SOUTH_EAST;
width = -width;
left -= width;
}
else
if
(height < 0) {
action = ACTION_NORTH_WEST;
height = -height;
top -= height;
}
break
;
case
ACTION_SOUTH_EAST:
if
(aspectRatio) {
if
(range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
renderable =
false
;
break
;
}
check(ACTION_EAST);
width += range.x;
height = width / aspectRatio;
}
else
{
check(ACTION_SOUTH);
check(ACTION_EAST);
if
(range.x >= 0) {
if
(right < maxWidth) {
width += range.x;
}
else
if
(range.y >= 0 && bottom >= maxHeight) {
renderable =
false
;
}
}
else
{
width += range.x;
}
if
(range.y >= 0) {
if
(bottom < maxHeight) {
height += range.y;
}
}
else
{
height += range.y;
}
}
if
(width < 0 && height < 0) {
action = ACTION_NORTH_WEST;
height = -height;
width = -width;
top -= height;
left -= width;
}
else
if
(width < 0) {
action = ACTION_SOUTH_WEST;
width = -width;
left -= width;
}
else
if
(height < 0) {
action = ACTION_NORTH_EAST;
height = -height;
top -= height;
}
break
;
case
ACTION_MOVE:
this
.move(range.x, range.y);
renderable =
false
;
break
;
case
ACTION_ZOOM:
this
.zoom(getMaxZoomRatio(pointers), e);
renderable =
false
;
break
;
case
ACTION_CROP:
if
(!range.x || !range.y) {
renderable =
false
;
break
;
}
offset = getOffset(
this
.cropper);
left = pointer.startX - offset.left;
top = pointer.startY - offset.top;
width = cropBoxData.minWidth;
height = cropBoxData.minHeight;
if
(range.x > 0) {
action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
}
else
if
(range.x < 0) {
left -= width;
action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
}
if
(range.y < 0) {
top -= height;
}
if
(!
this
.cropped) {
removeClass(
this
.cropBox, CLASS_HIDDEN);
this
.cropped =
true
;
if
(
this
.limited) {
this
.limitCropBox(
true
,
true
);
}
}
break
;
default
:
}
if
(renderable) {
cropBoxData.width = width;
cropBoxData.height = height;
cropBoxData.left = left;
cropBoxData.top = top;
this
.action = action;
this
.renderCropBox();
}
forEach(pointers,
function
(p) {
p.startX = p.endX;
p.startY = p.endY;
});
}
};
var
methods = {
crop:
function
crop() {
if
(
this
.ready && !
this
.cropped && !
this
.disabled) {
this
.cropped =
true
;
this
.limitCropBox(
true
,
true
);
if
(
this
.options.modal) {
addClass(
this
.dragBox, CLASS_MODAL);
}
removeClass(
this
.cropBox, CLASS_HIDDEN);
this
.setCropBoxData(
this
.initialCropBoxData);
}
return
this
;
},
reset:
function
reset() {
if
(
this
.ready && !
this
.disabled) {
this
.imageData = assign({},
this
.initialImageData);
this
.canvasData = assign({},
this
.initialCanvasData);
this
.cropBoxData = assign({},
this
.initialCropBoxData);
this
.renderCanvas();
if
(
this
.cropped) {
this
.renderCropBox();
}
}
return
this
;
},
clear:
function
clear() {
if
(
this
.cropped && !
this
.disabled) {
assign(
this
.cropBoxData, {
left: 0,
top: 0,
width: 0,
height: 0
});
this
.cropped =
false
;
this
.renderCropBox();
this
.limitCanvas(
true
,
true
);
this
.renderCanvas();
removeClass(
this
.dragBox, CLASS_MODAL);
addClass(
this
.cropBox, CLASS_HIDDEN);
}
return
this
;
},
replace:
function
replace(url) {
var
hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] :
false
;
if
(!
this
.disabled && url) {
if
(
this
.isImg) {
this
.element.src = url;
}
if
(hasSameSize) {
this
.url = url;
this
.image.src = url;
if
(
this
.ready) {
this
.viewBoxImage.src = url;
forEach(
this
.previews,
function
(element) {
element.getElementsByTagName(&
#39;img')[0].src = url;
});
}
}
else
{
if
(
this
.isImg) {
this
.replaced =
true
;
}
this
.options.data =
null
;
this
.uncreate();
this
.load(url);
}
}
return
this
;
},
enable:
function
enable() {
if
(
this
.ready &&
this
.disabled) {
this
.disabled =
false
;
removeClass(
this
.cropper, CLASS_DISABLED);
}
return
this
;
},
disable:
function
disable() {
if
(
this
.ready && !
this
.disabled) {
this
.disabled =
true
;
addClass(
this
.cropper, CLASS_DISABLED);
}
return
this
;
},
destroy:
function
destroy() {
var
element =
this
.element;
if
(!element[NAMESPACE]) {
return
this
;
}
element[NAMESPACE] = undefined;
if
(
this
.isImg &&
this
.replaced) {
element.src =
this
.originalUrl;
}
this
.uncreate();
return
this
;
},
move:
function
move(offsetX) {
var
offsetY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : offsetX;
var
_this$canvasData =
this
.canvasData,
left = _this$canvasData.left,
top = _this$canvasData.top;
return
this
.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY));
},
moveTo:
function
moveTo(x) {
var
y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x;
var
canvasData =
this
.canvasData;
var
changed =
false
;
x = Number(x);
y = Number(y);
if
(
this
.ready && !
this
.disabled &&
this
.options.movable) {
if
(isNumber(x)) {
canvasData.left = x;
changed =
true
;
}
if
(isNumber(y)) {
canvasData.top = y;
changed =
true
;
}
if
(changed) {
this
.renderCanvas(
true
);
}
}
return
this
;
},
zoom:
function
zoom(ratio, _originalEvent) {
var
canvasData =
this
.canvasData;
ratio = Number(ratio);
if
(ratio < 0) {
ratio = 1 / (1 - ratio);
}
else
{
ratio = 1 + ratio;
}
return
this
.zoomTo(canvasData.width * ratio / canvasData.naturalWidth,
null
, _originalEvent);
},
zoomTo:
function
zoomTo(ratio, pivot, _originalEvent) {
var
options =
this
.options,
canvasData =
this
.canvasData;
var
width = canvasData.width,
height = canvasData.height,
naturalWidth = canvasData.naturalWidth,
naturalHeight = canvasData.naturalHeight;
ratio = Number(ratio);
if
(ratio >= 0 &&
this
.ready && !
this
.disabled && options.zoomable) {
var
newWidth = naturalWidth * ratio;
var
newHeight = naturalHeight * ratio;
if
(dispatchEvent(
this
.element, EVENT_ZOOM, {
ratio: ratio,
oldRatio: width / naturalWidth,
originalEvent: _originalEvent
}) ===
false
) {
return
this
;
}
if
(_originalEvent) {
var
pointers =
this
.pointers;
var
offset = getOffset(
this
.cropper);
var
center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : {
pageX: _originalEvent.pageX,
pageY: _originalEvent.pageY
};
canvasData.left -= (newWidth - width) * ((center.pageX - offset.left - canvasData.left) / width);
canvasData.top -= (newHeight - height) * ((center.pageY - offset.top - canvasData.top) / height);
}
else
if
(isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) {
canvasData.left -= (newWidth - width) * ((pivot.x - canvasData.left) / width);
canvasData.top -= (newHeight - height) * ((pivot.y - canvasData.top) / height);
}
else
{
canvasData.left -= (newWidth - width) / 2;
canvasData.top -= (newHeight - height) / 2;
}
canvasData.width = newWidth;
canvasData.height = newHeight;
this
.renderCanvas(
true
);
}
return
this
;
},
rotate:
function
rotate(degree) {
return
this
.rotateTo((
this
.imageData.rotate || 0) + Number(degree));
},
rotateTo:
function
rotateTo(degree) {
degree = Number(degree);
if
(isNumber(degree) &&
this
.ready && !
this
.disabled &&
this
.options.rotatable) {
this
.imageData.rotate = degree % 360;
this
.renderCanvas(
true
,
true
);
}
return
this
;
},
scaleX:
function
scaleX(_scaleX) {
var
scaleY =
this
.imageData.scaleY;
return
this
.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
},
scaleY:
function
scaleY(_scaleY) {
var
scaleX =
this
.imageData.scaleX;
return
this
.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);
},
scale:
function
scale(scaleX) {
var
scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
var
imageData =
this
.imageData;
var
transformed =
false
;
scaleX = Number(scaleX);
scaleY = Number(scaleY);
if
(
this
.ready && !
this
.disabled &&
this
.options.scalable) {
if
(isNumber(scaleX)) {
imageData.scaleX = scaleX;
transformed =
true
;
}
if
(isNumber(scaleY)) {
imageData.scaleY = scaleY;
transformed =
true
;
}
if
(transformed) {
this
.renderCanvas(
true
,
true
);
}
}
return
this
;
},
getData:
function
getData$$1() {
var
rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] :
false
;
var
options =
this
.options,
imageData =
this
.imageData,
canvasData =
this
.canvasData,
cropBoxData =
this
.cropBoxData;
var
data;
if
(
this
.ready &&
this
.cropped) {
data = {
x: cropBoxData.left - canvasData.left,
y: cropBoxData.top - canvasData.top,
width: cropBoxData.width,
height: cropBoxData.height
};
var
ratio = imageData.width / imageData.naturalWidth;
forEach(data,
function
(n, i) {
data[i] = n / ratio;
});
if
(rounded) {
var
bottom = Math.round(data.y + data.height);
var
right = Math.round(data.x + data.width);
data.x = Math.round(data.x);
data.y = Math.round(data.y);
data.width = right - data.x;
data.height = bottom - data.y;
}
}
else
{
data = {
x: 0,
y: 0,
width: 0,
height: 0
};
}
if
(options.rotatable) {
data.rotate = imageData.rotate || 0;
}
if
(options.scalable) {
data.scaleX = imageData.scaleX || 1;
data.scaleY = imageData.scaleY || 1;
}
return
data;
},
setData:
function
setData$$1(data) {
var
options =
this
.options,
imageData =
this
.imageData,
canvasData =
this
.canvasData;
var
cropBoxData = {};
if
(
this
.ready && !
this
.disabled && isPlainObject(data)) {
var
transformed =
false
;
if
(options.rotatable) {
if
(isNumber(data.rotate) && data.rotate !== imageData.rotate) {
imageData.rotate = data.rotate;
transformed =
true
;
}
}
if
(options.scalable) {
if
(isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) {
imageData.scaleX = data.scaleX;
transformed =
true
;
}
if
(isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) {
imageData.scaleY = data.scaleY;
transformed =
true
;
}
}
if
(transformed) {
this
.renderCanvas(
true
,
true
);
}
var
ratio = imageData.width / imageData.naturalWidth;
if
(isNumber(data.x)) {
cropBoxData.left = data.x * ratio + canvasData.left;
}
if
(isNumber(data.y)) {
cropBoxData.top = data.y * ratio + canvasData.top;
}
if
(isNumber(data.width)) {
cropBoxData.width = data.width * ratio;
}
if
(isNumber(data.height)) {
cropBoxData.height = data.height * ratio;
}
this
.setCropBoxData(cropBoxData);
}
return
this
;
},
getContainerData:
function
getContainerData() {
return
this
.ready ? assign({},
this
.containerData) : {};
},
getImageData:
function
getImageData() {
return
this
.sized ? assign({},
this
.imageData) : {};
},
getCanvasData:
function
getCanvasData() {
var
canvasData =
this
.canvasData;
var
data = {};
if
(
this
.ready) {
forEach([&
#39;left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) {
data[n] = canvasData[n];
});
}
return
data;
},
setCanvasData:
function
setCanvasData(data) {
var
canvasData =
this
.canvasData;
var
aspectRatio = canvasData.aspectRatio;
if
(
this
.ready && !
this
.disabled && isPlainObject(data)) {
if
(isNumber(data.left)) {
canvasData.left = data.left;
}
if
(isNumber(data.top)) {
canvasData.top = data.top;
}
if
(isNumber(data.width)) {
canvasData.width = data.width;
canvasData.height = data.width / aspectRatio;
}
else
if
(isNumber(data.height)) {
canvasData.height = data.height;
canvasData.width = data.height * aspectRatio;
}
this
.renderCanvas(
true
);
}
return
this
;
},
getCropBoxData:
function
getCropBoxData() {
var
cropBoxData =
this
.cropBoxData;
var
data;
if
(
this
.ready &&
this
.cropped) {
data = {
left: cropBoxData.left,
top: cropBoxData.top,
width: cropBoxData.width,
height: cropBoxData.height
};
}
return
data || {};
},
setCropBoxData:
function
setCropBoxData(data) {
var
cropBoxData =
this
.cropBoxData;
var
aspectRatio =
this
.options.aspectRatio;
var
widthChanged;
var
heightChanged;
if
(
this
.ready &&
this
.cropped && !
this
.disabled && isPlainObject(data)) {
if
(isNumber(data.left)) {
cropBoxData.left = data.left;
}
if
(isNumber(data.top)) {
cropBoxData.top = data.top;
}
if
(isNumber(data.width) && data.width !== cropBoxData.width) {
widthChanged =
true
;
cropBoxData.width = data.width;
}
if
(isNumber(data.height) && data.height !== cropBoxData.height) {
heightChanged =
true
;
cropBoxData.height = data.height;
}
if
(aspectRatio) {
if
(widthChanged) {
cropBoxData.height = cropBoxData.width / aspectRatio;
}
else
if
(heightChanged) {
cropBoxData.width = cropBoxData.height * aspectRatio;
}
}
this
.renderCropBox();
}
return
this
;
},
getCroppedCanvas:
function
getCroppedCanvas() {
var
options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
if
(!
this
.ready || !window.HTMLCanvasElement) {
return
null
;
}
var
canvasData =
this
.canvasData;
var
source = getSourceCanvas(
this
.image,
this
.imageData, canvasData, options);
if
(!
this
.cropped) {
return
source;
}
var
_this$getData =
this
.getData(),
initialX = _this$getData.x,
initialY = _this$getData.y,
initialWidth = _this$getData.width,
initialHeight = _this$getData.height;
var
ratio = source.width / Math.floor(canvasData.naturalWidth);
if
(ratio !== 1) {
initialX *= ratio;
initialY *= ratio;
initialWidth *= ratio;
initialHeight *= ratio;
}
var
aspectRatio = initialWidth / initialHeight;
var
maxSizes = getAdjustedSizes({
aspectRatio: aspectRatio,
width: options.maxWidth || Infinity,
height: options.maxHeight || Infinity
});
var
minSizes = getAdjustedSizes({
aspectRatio: aspectRatio,
width: options.minWidth || 0,
height: options.minHeight || 0
}, &
#39;cover');
var
_getAdjustedSizes = getAdjustedSizes({
aspectRatio: aspectRatio,
width: options.width || (ratio !== 1 ? source.width : initialWidth),
height: options.height || (ratio !== 1 ? source.height : initialHeight)
}),
width = _getAdjustedSizes.width,
height = _getAdjustedSizes.height;
width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
height = Math.min(maxSizes.height, Math.max(minSizes.height, height));
var
canvas = document.createElement(&
#39;canvas');
var
context = canvas.getContext(&
#39;2d');
canvas.width = normalizeDecimalNumber(width);
canvas.height = normalizeDecimalNumber(height);
context.fillStyle = options.fillColor || &
#39;transparent';
context.fillRect(0, 0, width, height);
var
_options$imageSmoothi = options.imageSmoothingEnabled,
imageSmoothingEnabled = _options$imageSmoothi === void 0 ?
true
: _options$imageSmoothi,
imageSmoothingQuality = options.imageSmoothingQuality;
context.imageSmoothingEnabled = imageSmoothingEnabled;
if
(imageSmoothingQuality) {
context.imageSmoothingQuality = imageSmoothingQuality;
}
var
sourceWidth = source.width;
var
sourceHeight = source.height;
var
srcX = initialX;
var
srcY = initialY;
var
srcWidth;
var
srcHeight;
var
dstX;
var
dstY;
var
dstWidth;
var
dstHeight;
if
(srcX <= -initialWidth || srcX > sourceWidth) {
srcX = 0;
srcWidth = 0;
dstX = 0;
dstWidth = 0;
}
else
if
(srcX <= 0) {
dstX = -srcX;
srcX = 0;
srcWidth = Math.min(sourceWidth, initialWidth + srcX);
dstWidth = srcWidth;
}
else
if
(srcX <= sourceWidth) {
dstX = 0;
srcWidth = Math.min(initialWidth, sourceWidth - srcX);
dstWidth = srcWidth;
}
if
(srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
srcY = 0;
srcHeight = 0;
dstY = 0;
dstHeight = 0;
}
else
if
(srcY <= 0) {
dstY = -srcY;
srcY = 0;
srcHeight = Math.min(sourceHeight, initialHeight + srcY);
dstHeight = srcHeight;
}
else
if
(srcY <= sourceHeight) {
dstY = 0;
srcHeight = Math.min(initialHeight, sourceHeight - srcY);
dstHeight = srcHeight;
}
var
params = [srcX, srcY, srcWidth, srcHeight];
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(params.map(
function
(param) {
return
Math.floor(normalizeDecimalNumber(param));
}))));
return
canvas;
},
setAspectRatio:
function
setAspectRatio(aspectRatio) {
var
options =
this
.options;
if
(!
this
.disabled && !isUndefined(aspectRatio)) {
options.aspectRatio = Math.max(0, aspectRatio) || NaN;
if
(
this
.ready) {
this
.initCropBox();
if
(
this
.cropped) {
this
.renderCropBox();
}
}
}
return
this
;
},
setDragMode:
function
setDragMode(mode) {
var
options =
this
.options,
dragBox =
this
.dragBox,
face =
this
.face;
if
(
this
.ready && !
this
.disabled) {
var
croppable = mode === DRAG_MODE_CROP;
var
movable = options.movable && mode === DRAG_MODE_MOVE;
mode = croppable || movable ? mode : DRAG_MODE_NONE;
options.dragMode = mode;
setData(dragBox, DATA_ACTION, mode);
toggleClass(dragBox, CLASS_CROP, croppable);
toggleClass(dragBox, CLASS_MOVE, movable);
if
(!options.cropBoxMovable) {
setData(face, DATA_ACTION, mode);
toggleClass(face, CLASS_CROP, croppable);
toggleClass(face, CLASS_MOVE, movable);
}
}
return
this
;
}
};
var
AnotherCropper = WINDOW.Cropper;
var
Cropper =
function
() {
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(&
#39;The first argument is required and must be an <img> or <canvas> element.');
}
this
.element = element;
this
.options = assign({}, DEFAULTS, isPlainObject(options) && options);
this
.cropped =
false
;
this
.disabled =
false
;
this
.pointers = {};
this
.ready =
false
;
this
.reloading =
false
;
this
.replaced =
false
;
this
.sized =
false
;
this
.sizing =
false
;
this
.init();
}
_createClass(Cropper, [{
key: "init
",
value: function init() {
var element = this.element;
var tagName = element.tagName.toLowerCase();
var url;
if (element[NAMESPACE]) {
return;
}
element[NAMESPACE] = this;
if (tagName === 'img') {
this.isImg = true; // e.g.: "
img/picture.jpg
"
url = element.getAttribute('src') || '';
this.originalUrl = url; // Stop when it's a blank image
if (!url) {
return;
} // e.g.: "
http://example.com/img/picture.jpg
"
url = element.src;
} else if (tagName === 'canvas' && window.HTMLCanvasElement) {
url = element.toDataURL();
}
this.load(url);
}
}, {
key: "
load
",
value: function load(url) {
var _this = this;
if (!url) {
return;
}
this.url = url;
this.imageData = {};
var element = this.element,
options = this.options;
if (!options.rotatable && !options.scalable) {
options.checkOrientation = false;
} // Only IE10+ supports Typed Arrays
if (!options.checkOrientation || !window.ArrayBuffer) {
this.clone();
return;
} // XMLHttpRequest disallows to open a Data URL in some browsers like IE11 and Safari
if (REGEXP_DATA_URL.test(url)) {
if (REGEXP_DATA_URL_JPEG.test(url)) {
this.read(dataURLToArrayBuffer(url));
} else {
this.clone();
}
return;
}
var xhr = new XMLHttpRequest();
var clone = this.clone.bind(this);
this.reloading = true;
this.xhr = xhr;
xhr.ontimeout = clone;
xhr.onabort = clone;
xhr.onerror = clone;
xhr.onprogress = function () {
if (xhr.getResponseHeader('content-type') !== MIME_TYPE_JPEG) {
xhr.abort();
}
};
xhr.onload = function () {
_this.read(xhr.response);
};
xhr.onloadend = function () {
_this.reloading = false;
_this.xhr = null;
}; // Bust cache when there is a "
crossOrigin
" property to avoid browser cache error
if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) {
url = addTimestamp(url);
}
xhr.open('GET', url);
xhr.responseType = 'arraybuffer';
xhr.withCredentials = element.crossOrigin === 'use-credentials';
xhr.send();
}
}, {
key: "
read
",
value: function read(arrayBuffer) {
var options = this.options,
imageData = this.imageData;
var orientation = resetAndGetOrientation(arrayBuffer);
var rotate = 0;
var scaleX = 1;
var scaleY = 1;
if (orientation > 1) {
// Generate a new Data URL with the orientation value set to 1
// as some iOS browsers will render image with its orientation
this.url = arrayBufferToDataURL(arrayBuffer, MIME_TYPE_JPEG);
var _parseOrientation = parseOrientation(orientation);
rotate = _parseOrientation.rotate;
scaleX = _parseOrientation.scaleX;
scaleY = _parseOrientation.scaleY;
}
if (options.rotatable) {
imageData.rotate = rotate;
}
if (options.scalable) {
imageData.scaleX = scaleX;
imageData.scaleY = scaleY;
}
this.clone();
}
}, {
key: "
clone
",
value: function clone() {
var element = this.element,
url = this.url;
var crossOrigin;
var crossOriginUrl;
if (this.options.checkCrossOrigin && isCrossOriginURL(url)) {
crossOrigin = element.crossOrigin;
if (crossOrigin) {
crossOriginUrl = url;
} else {
crossOrigin = 'anonymous'; // Bust cache when there is not a "
crossOrigin
" property
crossOriginUrl = addTimestamp(url);
}
}
this.crossOrigin = crossOrigin;
this.crossOriginUrl = crossOriginUrl;
var image = document.createElement('img');
if (crossOrigin) {
image.crossOrigin = crossOrigin;
}
image.src = crossOriginUrl || url;
this.image = image;
image.onload = this.start.bind(this);
image.onerror = this.stop.bind(this);
addClass(image, CLASS_HIDE);
element.parentNode.insertBefore(image, element.nextSibling);
}
}, {
key: "
start
",
value: function start() {
var _this2 = this;
var image = this.isImg ? this.element : this.image;
image.onload = null;
image.onerror = null;
this.sizing = true;
var IS_SAFARI = WINDOW.navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(WINDOW.navigator.userAgent);
var done = function done(naturalWidth, naturalHeight) {
assign(_this2.imageData, {
naturalWidth: naturalWidth,
naturalHeight: naturalHeight,
aspectRatio: naturalWidth / naturalHeight
});
_this2.sizing = false;
_this2.sized = true;
_this2.build();
}; // Modern browsers (except Safari)
if (image.naturalWidth && !IS_SAFARI) {
done(image.naturalWidth, image.naturalHeight);
return;
}
var sizingImage = document.createElement('img');
var body = document.body || document.documentElement;
this.sizingImage = sizingImage;
sizingImage.onload = function () {
done(sizingImage.width, sizingImage.height);
if (!IS_SAFARI) {
body.removeChild(sizingImage);
}
};
sizingImage.src = image.src; // iOS Safari will convert the image automatically
// with its orientation once append it into DOM (#279)
if (!IS_SAFARI) {
sizingImage.style.cssText = 'left:0;' + 'max-height:none!important;' + 'max-width:none!important;' + 'min-height:0!important;' + 'min-width:0!important;' + 'opacity:0;' + 'position:absolute;' + 'top:0;' + 'z-index:-1;';
body.appendChild(sizingImage);
}
}
}, {
key: "
stop
",
value: function stop() {
var image = this.image;
image.onload = null;
image.onerror = null;
image.parentNode.removeChild(image);
this.image = null;
}
}, {
key: "
build
",
value: function build() {
if (!this.sized || this.ready) {
return;
}
var element = this.element,
options = this.options,
image = this.image; // Create cropper elements
var container = element.parentNode;
var template = document.createElement('div');
template.innerHTML = TEMPLATE;
var cropper = template.querySelector("
.
".concat(NAMESPACE, "
-container
"));
var canvas = cropper.querySelector("
.
".concat(NAMESPACE, "
-canvas
"));
var dragBox = cropper.querySelector("
.
".concat(NAMESPACE, "
-drag-box
"));
var cropBox = cropper.querySelector("
.
".concat(NAMESPACE, "
-crop-box
"));
var face = cropBox.querySelector("
.
".concat(NAMESPACE, "
-face
"));
this.container = container;
this.cropper = cropper;
this.canvas = canvas;
this.dragBox = dragBox;
this.cropBox = cropBox;
this.viewBox = cropper.querySelector("
.
".concat(NAMESPACE, "
-view-box
"));
this.face = face;
canvas.appendChild(image); // Hide the original image
addClass(element, CLASS_HIDDEN); // Inserts the cropper after to the current image
container.insertBefore(cropper, element.nextSibling); // Show the image if is hidden
if (!this.isImg) {
removeClass(image, CLASS_HIDE);
}
this.initPreview();
this.bind();
options.initialAspectRatio = Math.max(0, options.initialAspectRatio) || NaN;
options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;
addClass(cropBox, CLASS_HIDDEN);
if (!options.guides) {
addClass(cropBox.getElementsByClassName("
".concat(NAMESPACE, "
-dashed
")), CLASS_HIDDEN);
}
if (!options.center) {
addClass(cropBox.getElementsByClassName("
".concat(NAMESPACE, "
-center
")), CLASS_HIDDEN);
}
if (options.background) {
addClass(cropper, "
".concat(NAMESPACE, "
-bg
"));
}
if (!options.highlight) {
addClass(face, CLASS_INVISIBLE);
}
if (options.cropBoxMovable) {
addClass(face, CLASS_MOVE);
setData(face, DATA_ACTION, ACTION_ALL);
}
if (!options.cropBoxResizable) {
addClass(cropBox.getElementsByClassName("
".concat(NAMESPACE, "
-line
")), CLASS_HIDDEN);
addClass(cropBox.getElementsByClassName("
".concat(NAMESPACE, "
-point
")), CLASS_HIDDEN);
}
this.render();
this.ready = true;
this.setDragMode(options.dragMode);
if (options.autoCrop) {
this.crop();
}
this.setData(options.data);
if (isFunction(options.ready)) {
addListener(element, EVENT_READY, options.ready, {
once: true
});
}
dispatchEvent(element, EVENT_READY);
}
}, {
key: "
unbuild
",
value: function unbuild() {
if (!this.ready) {
return;
}
this.ready = false;
this.unbind();
this.resetPreview();
this.cropper.parentNode.removeChild(this.cropper);
removeClass(this.element, CLASS_HIDDEN);
}
}, {
key: "
uncreate
",
value: function uncreate() {
if (this.ready) {
this.unbuild();
this.ready = false;
this.cropped = false;
} else if (this.sizing) {
this.sizingImage.onload = null;
this.sizing = false;
this.sized = false;
} else if (this.reloading) {
this.xhr.onabort = null;
this.xhr.abort();
} else if (this.image) {
this.stop();
}
}
/**
* Get the no conflict cropper class.
* @returns {Cropper} The cropper class.
*/
}], [{
key: "
noConflict
",
value: function noConflict() {
window.Cropper = AnotherCropper;
return Cropper;
}
/**
* Change the default options.
* @param {Object} options - The new default options.
*/
}, {
key: "
setDefaults",
value:
function
setDefaults(options) {
assign(DEFAULTS, isPlainObject(options) && options);
}
}]);
return
Cropper;
}();
assign(Cropper.prototype, render, preview, events, handlers, change, methods);
return
Cropper;
})));
cropper-js