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-rw-r--r--library/cropperjs/src/js/change.js471
-rw-r--r--library/cropperjs/src/js/constants.js56
-rw-r--r--library/cropperjs/src/js/cropper.js421
-rw-r--r--library/cropperjs/src/js/defaults.js99
-rw-r--r--library/cropperjs/src/js/events.js111
-rw-r--r--library/cropperjs/src/js/handlers.js212
-rw-r--r--library/cropperjs/src/js/methods.js842
-rw-r--r--library/cropperjs/src/js/preview.js142
-rw-r--r--library/cropperjs/src/js/render.js495
-rw-r--r--library/cropperjs/src/js/template.js27
-rw-r--r--library/cropperjs/src/js/utilities.js985
11 files changed, 3861 insertions, 0 deletions
diff --git a/library/cropperjs/src/js/change.js b/library/cropperjs/src/js/change.js
new file mode 100644
index 000000000..014222ef0
--- /dev/null
+++ b/library/cropperjs/src/js/change.js
@@ -0,0 +1,471 @@
+import {
+ ACTION_ALL,
+ ACTION_CROP,
+ ACTION_EAST,
+ ACTION_MOVE,
+ ACTION_NORTH,
+ ACTION_NORTH_EAST,
+ ACTION_NORTH_WEST,
+ ACTION_SOUTH,
+ ACTION_SOUTH_EAST,
+ ACTION_SOUTH_WEST,
+ ACTION_WEST,
+ ACTION_ZOOM,
+ CLASS_HIDDEN,
+} from './constants';
+import {
+ each,
+ getMaxZoomRatio,
+ getOffset,
+ removeClass,
+} from './utilities';
+
+export default {
+ change(e) {
+ const {
+ options,
+ canvasData,
+ containerData,
+ cropBoxData,
+ pointers,
+ } = this;
+ let { action } = this;
+ let { aspectRatio } = options;
+ let {
+ left,
+ top,
+ width,
+ height,
+ } = cropBoxData;
+ const right = left + width;
+ const bottom = top + height;
+ let minLeft = 0;
+ let minTop = 0;
+ let maxWidth = containerData.width;
+ let maxHeight = containerData.height;
+ let renderable = true;
+ let offset;
+
+ // Locking aspect ratio in "free mode" by holding shift key
+ if (!aspectRatio && e.shiftKey) {
+ aspectRatio = width && height ? width / height : 1;
+ }
+
+ if (this.limited) {
+ ({ minLeft, minTop } = cropBoxData);
+ maxWidth = minLeft + Math.min(
+ containerData.width,
+ canvasData.width,
+ canvasData.left + canvasData.width,
+ );
+ maxHeight = minTop + Math.min(
+ containerData.height,
+ canvasData.height,
+ canvasData.top + canvasData.height,
+ );
+ }
+
+ const pointer = pointers[Object.keys(pointers)[0]];
+ const range = {
+ x: pointer.endX - pointer.startX,
+ y: pointer.endY - pointer.startY,
+ };
+ const check = (side) => {
+ switch (side) {
+ case ACTION_EAST:
+ if (right + range.x > maxWidth) {
+ range.x = maxWidth - right;
+ }
+
+ break;
+
+ case ACTION_WEST:
+ if (left + range.x < minLeft) {
+ range.x = minLeft - left;
+ }
+
+ break;
+
+ case ACTION_NORTH:
+ if (top + range.y < minTop) {
+ range.y = minTop - top;
+ }
+
+ break;
+
+ case ACTION_SOUTH:
+ if (bottom + range.y > maxHeight) {
+ range.y = maxHeight - bottom;
+ }
+
+ break;
+
+ default:
+ }
+ };
+
+ switch (action) {
+ // Move crop box
+ case ACTION_ALL:
+ left += range.x;
+ top += range.y;
+ break;
+
+ // Resize crop box
+ case ACTION_EAST:
+ if (range.x >= 0 && (right >= maxWidth || (aspectRatio &&
+ (top <= minTop || bottom >= maxHeight)))) {
+ renderable = false;
+ break;
+ }
+
+ check(ACTION_EAST);
+ width += range.x;
+
+ if (aspectRatio) {
+ height = width / aspectRatio;
+ top -= (range.x / aspectRatio) / 2;
+ }
+
+ if (width < 0) {
+ action = ACTION_WEST;
+ width = 0;
+ }
+
+ break;
+
+ case ACTION_NORTH:
+ if (range.y <= 0 && (top <= minTop || (aspectRatio &&
+ (left <= minLeft || right >= maxWidth)))) {
+ renderable = false;
+ break;
+ }
+
+ check(ACTION_NORTH);
+ height -= range.y;
+ top += range.y;
+
+ if (aspectRatio) {
+ width = height * aspectRatio;
+ left += (range.y * aspectRatio) / 2;
+ }
+
+ if (height < 0) {
+ action = ACTION_SOUTH;
+ height = 0;
+ }
+
+ break;
+
+ case ACTION_WEST:
+ if (range.x <= 0 && (left <= minLeft || (aspectRatio &&
+ (top <= minTop || bottom >= maxHeight)))) {
+ renderable = false;
+ break;
+ }
+
+ check(ACTION_WEST);
+ width -= range.x;
+ left += range.x;
+
+ if (aspectRatio) {
+ height = width / aspectRatio;
+ top += (range.x / aspectRatio) / 2;
+ }
+
+ if (width < 0) {
+ action = ACTION_EAST;
+ width = 0;
+ }
+
+ break;
+
+ case ACTION_SOUTH:
+ if (range.y >= 0 && (bottom >= maxHeight || (aspectRatio &&
+ (left <= minLeft || right >= maxWidth)))) {
+ renderable = false;
+ break;
+ }
+
+ check(ACTION_SOUTH);
+ height += range.y;
+
+ if (aspectRatio) {
+ width = height * aspectRatio;
+ left -= (range.y * aspectRatio) / 2;
+ }
+
+ if (height < 0) {
+ action = ACTION_NORTH;
+ height = 0;
+ }
+
+ break;
+
+ case ACTION_NORTH_EAST:
+ if (aspectRatio) {
+ if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
+ renderable = false;
+ break;
+ }
+
+ check(ACTION_NORTH);
+ height -= range.y;
+ top += range.y;
+ width = height * aspectRatio;
+ } else {
+ check(ACTION_NORTH);
+ check(ACTION_EAST);
+
+ if (range.x >= 0) {
+ if (right < maxWidth) {
+ width += range.x;
+ } else if (range.y <= 0 && top <= minTop) {
+ renderable = false;
+ }
+ } else {
+ width += range.x;
+ }
+
+ if (range.y <= 0) {
+ if (top > minTop) {
+ height -= range.y;
+ top += range.y;
+ }
+ } else {
+ height -= range.y;
+ top += range.y;
+ }
+ }
+
+ if (width < 0 && height < 0) {
+ action = ACTION_SOUTH_WEST;
+ height = 0;
+ width = 0;
+ } else if (width < 0) {
+ action = ACTION_NORTH_WEST;
+ width = 0;
+ } else if (height < 0) {
+ action = ACTION_SOUTH_EAST;
+ height = 0;
+ }
+
+ break;
+
+ case ACTION_NORTH_WEST:
+ if (aspectRatio) {
+ if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
+ renderable = false;
+ break;
+ }
+
+ check(ACTION_NORTH);
+ height -= range.y;
+ top += range.y;
+ width = height * aspectRatio;
+ left += range.y * aspectRatio;
+ } else {
+ check(ACTION_NORTH);
+ check(ACTION_WEST);
+
+ if (range.x <= 0) {
+ if (left > minLeft) {
+ width -= range.x;
+ left += range.x;
+ } else if (range.y <= 0 && top <= minTop) {
+ renderable = false;
+ }
+ } else {
+ width -= range.x;
+ left += range.x;
+ }
+
+ if (range.y <= 0) {
+ if (top > minTop) {
+ height -= range.y;
+ top += range.y;
+ }
+ } else {
+ height -= range.y;
+ top += range.y;
+ }
+ }
+
+ if (width < 0 && height < 0) {
+ action = ACTION_SOUTH_EAST;
+ height = 0;
+ width = 0;
+ } else if (width < 0) {
+ action = ACTION_NORTH_EAST;
+ width = 0;
+ } else if (height < 0) {
+ action = ACTION_SOUTH_WEST;
+ height = 0;
+ }
+
+ break;
+
+ case ACTION_SOUTH_WEST:
+ if (aspectRatio) {
+ if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
+ renderable = false;
+ break;
+ }
+
+ check(ACTION_WEST);
+ width -= range.x;
+ left += range.x;
+ height = width / aspectRatio;
+ } else {
+ check(ACTION_SOUTH);
+ check(ACTION_WEST);
+
+ if (range.x <= 0) {
+ if (left > minLeft) {
+ width -= range.x;
+ left += range.x;
+ } else if (range.y >= 0 && bottom >= maxHeight) {
+ renderable = false;
+ }
+ } else {
+ width -= range.x;
+ left += range.x;
+ }
+
+ if (range.y >= 0) {
+ if (bottom < maxHeight) {
+ height += range.y;
+ }
+ } else {
+ height += range.y;
+ }
+ }
+
+ if (width < 0 && height < 0) {
+ action = ACTION_NORTH_EAST;
+ height = 0;
+ width = 0;
+ } else if (width < 0) {
+ action = ACTION_SOUTH_EAST;
+ width = 0;
+ } else if (height < 0) {
+ action = ACTION_NORTH_WEST;
+ height = 0;
+ }
+
+ break;
+
+ case ACTION_SOUTH_EAST:
+ if (aspectRatio) {
+ if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
+ renderable = false;
+ break;
+ }
+
+ check(ACTION_EAST);
+ width += range.x;
+ height = width / aspectRatio;
+ } else {
+ check(ACTION_SOUTH);
+ check(ACTION_EAST);
+
+ if (range.x >= 0) {
+ if (right < maxWidth) {
+ width += range.x;
+ } else if (range.y >= 0 && bottom >= maxHeight) {
+ renderable = false;
+ }
+ } else {
+ width += range.x;
+ }
+
+ if (range.y >= 0) {
+ if (bottom < maxHeight) {
+ height += range.y;
+ }
+ } else {
+ height += range.y;
+ }
+ }
+
+ if (width < 0 && height < 0) {
+ action = ACTION_NORTH_WEST;
+ height = 0;
+ width = 0;
+ } else if (width < 0) {
+ action = ACTION_SOUTH_WEST;
+ width = 0;
+ } else if (height < 0) {
+ action = ACTION_NORTH_EAST;
+ height = 0;
+ }
+
+ break;
+
+ // Move canvas
+ case ACTION_MOVE:
+ this.move(range.x, range.y);
+ renderable = false;
+ break;
+
+ // Zoom canvas
+ case ACTION_ZOOM:
+ this.zoom(getMaxZoomRatio(pointers), e);
+ renderable = false;
+ break;
+
+ // Create crop box
+ case ACTION_CROP:
+ if (!range.x || !range.y) {
+ renderable = false;
+ break;
+ }
+
+ offset = getOffset(this.cropper);
+ left = pointer.startX - offset.left;
+ top = pointer.startY - offset.top;
+ width = cropBoxData.minWidth;
+ height = cropBoxData.minHeight;
+
+ if (range.x > 0) {
+ action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
+ } else if (range.x < 0) {
+ left -= width;
+ action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
+ }
+
+ if (range.y < 0) {
+ top -= height;
+ }
+
+ // Show the crop box if is hidden
+ if (!this.cropped) {
+ removeClass(this.cropBox, CLASS_HIDDEN);
+ this.cropped = true;
+
+ if (this.limited) {
+ this.limitCropBox(true, true);
+ }
+ }
+
+ break;
+
+ default:
+ }
+
+ if (renderable) {
+ cropBoxData.width = width;
+ cropBoxData.height = height;
+ cropBoxData.left = left;
+ cropBoxData.top = top;
+ this.action = action;
+ this.renderCropBox();
+ }
+
+ // Override
+ each(pointers, (p) => {
+ p.startX = p.endX;
+ p.startY = p.endY;
+ });
+ },
+};
diff --git a/library/cropperjs/src/js/constants.js b/library/cropperjs/src/js/constants.js
new file mode 100644
index 000000000..c675d4d1c
--- /dev/null
+++ b/library/cropperjs/src/js/constants.js
@@ -0,0 +1,56 @@
+export const WINDOW = typeof window !== 'undefined' ? window : {};
+export const NAMESPACE = 'cropper';
+
+// Actions
+export const ACTION_ALL = 'all';
+export const ACTION_CROP = 'crop';
+export const ACTION_MOVE = 'move';
+export const ACTION_ZOOM = 'zoom';
+export const ACTION_EAST = 'e';
+export const ACTION_WEST = 'w';
+export const ACTION_SOUTH = 's';
+export const ACTION_NORTH = 'n';
+export const ACTION_NORTH_EAST = 'ne';
+export const ACTION_NORTH_WEST = 'nw';
+export const ACTION_SOUTH_EAST = 'se';
+export const ACTION_SOUTH_WEST = 'sw';
+
+// Classes
+export const CLASS_CROP = `${NAMESPACE}-crop`;
+export const CLASS_DISABLED = `${NAMESPACE}-disabled`;
+export const CLASS_HIDDEN = `${NAMESPACE}-hidden`;
+export const CLASS_HIDE = `${NAMESPACE}-hide`;
+export const CLASS_INVISIBLE = `${NAMESPACE}-invisible`;
+export const CLASS_MODAL = `${NAMESPACE}-modal`;
+export const CLASS_MOVE = `${NAMESPACE}-move`;
+
+// Data keys
+export const DATA_ACTION = 'action';
+export const DATA_PREVIEW = 'preview';
+
+// Drag modes
+export const DRAG_MODE_CROP = 'crop';
+export const DRAG_MODE_MOVE = 'move';
+export const DRAG_MODE_NONE = 'none';
+
+// Events
+export const EVENT_CROP = 'crop';
+export const EVENT_CROP_END = 'cropend';
+export const EVENT_CROP_MOVE = 'cropmove';
+export const EVENT_CROP_START = 'cropstart';
+export const EVENT_DBLCLICK = 'dblclick';
+export const EVENT_ERROR = 'error';
+export const EVENT_LOAD = 'load';
+export const EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown';
+export const EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove';
+export const EVENT_POINTER_UP = WINDOW.PointerEvent ? 'pointerup pointercancel' : 'touchend touchcancel mouseup';
+export const EVENT_READY = 'ready';
+export const EVENT_RESIZE = 'resize';
+export const EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
+export const EVENT_ZOOM = 'zoom';
+
+// RegExps
+export const REGEXP_ACTIONS = /^(?:e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;
+export const REGEXP_DATA_URL = /^data:/;
+export const REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
+export const REGEXP_TAG_NAME = /^(?:img|canvas)$/i;
diff --git a/library/cropperjs/src/js/cropper.js b/library/cropperjs/src/js/cropper.js
new file mode 100644
index 000000000..97f3511df
--- /dev/null
+++ b/library/cropperjs/src/js/cropper.js
@@ -0,0 +1,421 @@
+import DEFAULTS from './defaults';
+import TEMPLATE from './template';
+import render from './render';
+import preview from './preview';
+import events from './events';
+import handlers from './handlers';
+import change from './change';
+import methods from './methods';
+import {
+ ACTION_ALL,
+ CLASS_HIDDEN,
+ CLASS_HIDE,
+ CLASS_INVISIBLE,
+ CLASS_MODAL,
+ CLASS_MOVE,
+ DATA_ACTION,
+ EVENT_CROP,
+ EVENT_ERROR,
+ EVENT_LOAD,
+ EVENT_READY,
+ NAMESPACE,
+ REGEXP_DATA_URL,
+ REGEXP_DATA_URL_JPEG,
+ REGEXP_TAG_NAME,
+ WINDOW,
+} from './constants';
+import {
+ addClass,
+ addListener,
+ addTimestamp,
+ arrayBufferToDataURL,
+ dataURLToArrayBuffer,
+ dispatchEvent,
+ extend,
+ getData,
+ getImageNaturalSizes,
+ getOrientation,
+ isCrossOriginURL,
+ isFunction,
+ isPlainObject,
+ parseOrientation,
+ proxy,
+ removeClass,
+ removeListener,
+ setData,
+} from './utilities';
+
+const AnotherCropper = WINDOW.Cropper;
+
+class Cropper {
+ /**
+ * Create a new Cropper.
+ * @param {Element} element - The target element for cropping.
+ * @param {Object} [options={}] - The configuration options.
+ */
+ constructor(element, options = {}) {
+ if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {
+ throw new Error('The first argument is required and must be an <img> or <canvas> element.');
+ }
+
+ this.element = element;
+ this.options = extend({}, DEFAULTS, isPlainObject(options) && options);
+ this.complete = false;
+ this.cropped = false;
+ this.disabled = false;
+ this.isImg = false;
+ this.limited = false;
+ this.loaded = false;
+ this.ready = false;
+ this.replaced = false;
+ this.wheeling = false;
+ this.originalUrl = '';
+ this.canvasData = null;
+ this.cropBoxData = null;
+ this.previews = null;
+ this.pointers = {};
+ this.init();
+ }
+
+ init() {
+ const { element } = this;
+ const tagName = element.tagName.toLowerCase();
+ let url;
+
+ if (getData(element, NAMESPACE)) {
+ return;
+ }
+
+ setData(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);
+ }
+
+ load(url) {
+ if (!url) {
+ return;
+ }
+
+ this.url = url;
+ this.imageData = {};
+
+ const { element, options } = this;
+
+ 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;
+ }
+
+ const xhr = new XMLHttpRequest();
+
+ xhr.onerror = () => {
+ this.clone();
+ };
+
+ xhr.onload = () => {
+ this.read(xhr.response);
+ };
+
+ // Bust cache when there is a "crossOrigin" property
+ 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();
+ }
+
+ read(arrayBuffer) {
+ const { options, imageData } = this;
+ const orientation = getOrientation(arrayBuffer);
+ let rotate = 0;
+ let scaleX = 1;
+ let scaleY = 1;
+
+ if (orientation > 1) {
+ this.url = arrayBufferToDataURL(arrayBuffer, 'image/jpeg');
+ ({ rotate, scaleX, scaleY } = parseOrientation(orientation));
+ }
+
+ if (options.rotatable) {
+ imageData.rotate = rotate;
+ }
+
+ if (options.scalable) {
+ imageData.scaleX = scaleX;
+ imageData.scaleY = scaleY;
+ }
+
+ this.clone();
+ }
+
+ clone() {
+ const { element, url } = this;
+ let crossOrigin;
+ let crossOriginUrl;
+
+ if (this.options.checkCrossOrigin && isCrossOriginURL(url)) {
+ ({ crossOrigin } = element);
+
+ 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;
+
+ const image = document.createElement('img');
+
+ if (crossOrigin) {
+ image.crossOrigin = crossOrigin;
+ }
+
+ image.src = crossOriginUrl || url;
+
+ const start = proxy(this.start, this);
+ const stop = proxy(this.stop, this);
+
+ this.image = image;
+ this.onStart = start;
+ this.onStop = stop;
+
+ if (this.isImg) {
+ if (element.complete) {
+ this.start();
+ } else {
+ addListener(element, EVENT_LOAD, start);
+ }
+ } else {
+ addListener(image, EVENT_LOAD, start);
+ addListener(image, EVENT_ERROR, stop);
+ addClass(image, CLASS_HIDE);
+ element.parentNode.insertBefore(image, element.nextSibling);
+ }
+ }
+
+ start(event) {
+ const image = this.isImg ? this.element : this.image;
+
+ if (event) {
+ removeListener(image, EVENT_LOAD, this.onStart);
+ removeListener(image, EVENT_ERROR, this.onStop);
+ }
+
+ getImageNaturalSizes(image, (naturalWidth, naturalHeight) => {
+ extend(this.imageData, {
+ naturalWidth,
+ naturalHeight,
+ aspectRatio: naturalWidth / naturalHeight,
+ });
+ this.loaded = true;
+ this.build();
+ });
+ }
+
+ stop() {
+ const { image } = this;
+
+ removeListener(image, EVENT_LOAD, this.onStart);
+ removeListener(image, EVENT_ERROR, this.onStop);
+ image.parentNode.removeChild(image);
+ this.image = null;
+ }
+
+ build() {
+ if (!this.loaded) {
+ return;
+ }
+
+ // Unbuild first when replace
+ if (this.ready) {
+ this.unbuild();
+ }
+
+ const { element, options, image } = this;
+
+ // Create cropper elements
+ const container = element.parentNode;
+ const template = document.createElement('div');
+
+ template.innerHTML = TEMPLATE;
+
+ const cropper = template.querySelector(`.${NAMESPACE}-container`);
+ const canvas = cropper.querySelector(`.${NAMESPACE}-canvas`);
+ const dragBox = cropper.querySelector(`.${NAMESPACE}-drag-box`);
+ const cropBox = cropper.querySelector(`.${NAMESPACE}-crop-box`);
+ const face = cropBox.querySelector(`.${NAMESPACE}-face`);
+
+ this.container = container;
+ this.cropper = cropper;
+ this.canvas = canvas;
+ this.dragBox = dragBox;
+ this.cropBox = cropBox;
+ this.viewBox = cropper.querySelector(`.${NAMESPACE}-view-box`);
+ this.face = face;
+
+ canvas.appendChild(image);
+
+ // Hide the original image
+ addClass(element, CLASS_HIDDEN);
+
+ // Inserts the cropper after to the current image
+ container.insertBefore(cropper, element.nextSibling);
+
+ // Show the image if is hidden
+ if (!this.isImg) {
+ removeClass(image, CLASS_HIDE);
+ }
+
+ this.initPreview();
+ this.bind();
+
+ options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
+ options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;
+
+ this.cropped = options.autoCrop;
+
+ if (options.autoCrop) {
+ if (options.modal) {
+ addClass(dragBox, CLASS_MODAL);
+ }
+ } else {
+ addClass(cropBox, CLASS_HIDDEN);
+ }
+
+ if (!options.guides) {
+ addClass(cropBox.getElementsByClassName(`${NAMESPACE}-dashed`), CLASS_HIDDEN);
+ }
+
+ if (!options.center) {
+ addClass(cropBox.getElementsByClassName(`${NAMESPACE}-center`), CLASS_HIDDEN);
+ }
+
+ if (options.background) {
+ addClass(cropper, `${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(`${NAMESPACE}-line`), CLASS_HIDDEN);
+ addClass(cropBox.getElementsByClassName(`${NAMESPACE}-point`), CLASS_HIDDEN);
+ }
+
+ this.setDragMode(options.dragMode);
+ this.render();
+ this.ready = true;
+ this.setData(options.data);
+
+ // Call the "ready" option asynchronously to keep "image.cropper" is defined
+ this.completing = setTimeout(() => {
+ if (isFunction(options.ready)) {
+ addListener(element, EVENT_READY, options.ready, {
+ once: true,
+ });
+ }
+
+ dispatchEvent(element, EVENT_READY);
+ dispatchEvent(element, EVENT_CROP, this.getData());
+
+ this.complete = true;
+ }, 0);
+ }
+
+ unbuild() {
+ if (!this.ready) {
+ return;
+ }
+
+ if (!this.complete) {
+ clearTimeout(this.completing);
+ }
+
+ this.ready = false;
+ this.complete = false;
+ this.initialImageData = null;
+
+ // Clear `initialCanvasData` is necessary when replace
+ this.initialCanvasData = null;
+ this.initialCropBoxData = null;
+ this.containerData = null;
+ this.canvasData = null;
+
+ // Clear `cropBoxData` is necessary when replace
+ this.cropBoxData = null;
+ this.unbind();
+ this.resetPreview();
+ this.previews = null;
+ this.viewBox = null;
+ this.cropBox = null;
+ this.dragBox = null;
+ this.canvas = null;
+ this.container = null;
+ this.cropper.parentNode.removeChild(this.cropper);
+ this.cropper = null;
+ }
+
+ /**
+ * Get the no conflict cropper class.
+ * @returns {Cropper} The cropper class.
+ */
+ static noConflict() {
+ window.Cropper = AnotherCropper;
+ return Cropper;
+ }
+
+ /**
+ * Change the default options.
+ * @param {Object} options - The new default options.
+ */
+ static setDefaults(options) {
+ extend(DEFAULTS, isPlainObject(options) && options);
+ }
+}
+
+extend(Cropper.prototype, render, preview, events, handlers, change, methods);
+
+export default Cropper;
diff --git a/library/cropperjs/src/js/defaults.js b/library/cropperjs/src/js/defaults.js
new file mode 100644
index 000000000..aa469e73a
--- /dev/null
+++ b/library/cropperjs/src/js/defaults.js
@@ -0,0 +1,99 @@
+import {
+ DRAG_MODE_CROP,
+} from './constants';
+
+export default {
+ // Define the view mode of the cropper
+ viewMode: 0, // 0, 1, 2, 3
+
+ // Define the dragging mode of the cropper
+ dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none'
+
+ // Define the aspect ratio of the crop box
+ aspectRatio: NaN,
+
+ // An object with the previous cropping result data
+ data: null,
+
+ // A selector for adding extra containers to preview
+ preview: '',
+
+ // Re-render the cropper when resize the window
+ responsive: true,
+
+ // Restore the cropped area after resize the window
+ restore: true,
+
+ // Check if the current image is a cross-origin image
+ checkCrossOrigin: true,
+
+ // Check the current image's Exif Orientation information
+ checkOrientation: true,
+
+ // Show the black modal
+ modal: true,
+
+ // Show the dashed lines for guiding
+ guides: true,
+
+ // Show the center indicator for guiding
+ center: true,
+
+ // Show the white modal to highlight the crop box
+ highlight: true,
+
+ // Show the grid background
+ background: true,
+
+ // Enable to crop the image automatically when initialize
+ autoCrop: true,
+
+ // Define the percentage of automatic cropping area when initializes
+ autoCropArea: 0.8,
+
+ // Enable to move the image
+ movable: true,
+
+ // Enable to rotate the image
+ rotatable: true,
+
+ // Enable to scale the image
+ scalable: true,
+
+ // Enable to zoom the image
+ zoomable: true,
+
+ // Enable to zoom the image by dragging touch
+ zoomOnTouch: true,
+
+ // Enable to zoom the image by wheeling mouse
+ zoomOnWheel: true,
+
+ // Define zoom ratio when zoom the image by wheeling mouse
+ wheelZoomRatio: 0.1,
+
+ // Enable to move the crop box
+ cropBoxMovable: true,
+
+ // Enable to resize the crop box
+ cropBoxResizable: true,
+
+ // Toggle drag mode between "crop" and "move" when click twice on the cropper
+ toggleDragModeOnDblclick: true,
+
+ // Size limitation
+ minCanvasWidth: 0,
+ minCanvasHeight: 0,
+ minCropBoxWidth: 0,
+ minCropBoxHeight: 0,
+ minContainerWidth: 200,
+ minContainerHeight: 100,
+
+ // Shortcuts of events
+ ready: null,
+ cropstart: null,
+ cropmove: null,
+ cropend: null,
+ crop: null,
+ zoom: null,
+};
diff --git a/library/cropperjs/src/js/events.js b/library/cropperjs/src/js/events.js
new file mode 100644
index 000000000..3753db022
--- /dev/null
+++ b/library/cropperjs/src/js/events.js
@@ -0,0 +1,111 @@
+import {
+ EVENT_CROP,
+ EVENT_CROP_END,
+ EVENT_CROP_MOVE,
+ EVENT_CROP_START,
+ EVENT_DBLCLICK,
+ EVENT_POINTER_DOWN,
+ EVENT_POINTER_MOVE,
+ EVENT_POINTER_UP,
+ EVENT_RESIZE,
+ EVENT_WHEEL,
+ EVENT_ZOOM,
+} from './constants';
+import {
+ addListener,
+ isFunction,
+ proxy,
+ removeListener,
+} from './utilities';
+
+export default {
+ bind() {
+ const { element, options, cropper } = this;
+
+ 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 = proxy(this.cropStart, this)));
+
+ if (options.zoomable && options.zoomOnWheel) {
+ addListener(cropper, EVENT_WHEEL, (this.onWheel = proxy(this.wheel, this)));
+ }
+
+ if (options.toggleDragModeOnDblclick) {
+ addListener(cropper, EVENT_DBLCLICK, (this.onDblclick = proxy(this.dblclick, this)));
+ }
+
+ addListener(
+ element.ownerDocument,
+ EVENT_POINTER_MOVE,
+ (this.onCropMove = proxy(this.cropMove, this)),
+ );
+ addListener(
+ element.ownerDocument,
+ EVENT_POINTER_UP,
+ (this.onCropEnd = proxy(this.cropEnd, this)),
+ );
+
+ if (options.responsive) {
+ addListener(window, EVENT_RESIZE, (this.onResize = proxy(this.resize, this)));
+ }
+ },
+
+ unbind() {
+ const { element, options, cropper } = this;
+
+ 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);
+ }
+ },
+};
diff --git a/library/cropperjs/src/js/handlers.js b/library/cropperjs/src/js/handlers.js
new file mode 100644
index 000000000..7b7b2469a
--- /dev/null
+++ b/library/cropperjs/src/js/handlers.js
@@ -0,0 +1,212 @@
+import {
+ ACTION_CROP,
+ ACTION_ZOOM,
+ CLASS_CROP,
+ CLASS_MODAL,
+ DATA_ACTION,
+ DRAG_MODE_CROP,
+ DRAG_MODE_MOVE,
+ DRAG_MODE_NONE,
+ EVENT_CROP_END,
+ EVENT_CROP_MOVE,
+ EVENT_CROP_START,
+ REGEXP_ACTIONS,
+} from './constants';
+import {
+ addClass,
+ dispatchEvent,
+ each,
+ extend,
+ getData,
+ getPointer,
+ hasClass,
+ toggleClass,
+} from './utilities';
+
+export default {
+ resize() {
+ const { options, container, containerData } = this;
+ const minContainerWidth = Number(options.minContainerWidth) || 200;
+ const minContainerHeight = Number(options.minContainerHeight) || 100;
+
+ if (this.disabled || containerData.width <= minContainerWidth ||
+ containerData.height <= minContainerHeight) {
+ return;
+ }
+
+ const ratio = container.offsetWidth / containerData.width;
+
+ // Resize when width changed or height changed
+ if (ratio !== 1 || container.offsetHeight !== containerData.height) {
+ let canvasData;
+ let cropBoxData;
+
+ if (options.restore) {
+ canvasData = this.getCanvasData();
+ cropBoxData = this.getCropBoxData();
+ }
+
+ this.render();
+
+ if (options.restore) {
+ this.setCanvasData(each(canvasData, (n, i) => {
+ canvasData[i] = n * ratio;
+ }));
+ this.setCropBoxData(each(cropBoxData, (n, i) => {
+ cropBoxData[i] = n * ratio;
+ }));
+ }
+ }
+ },
+
+ 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(e) {
+ const ratio = Number(this.options.wheelZoomRatio) || 0.1;
+ let delta = 1;
+
+ if (this.disabled) {
+ return;
+ }
+
+ e.preventDefault();
+
+ // Limit wheel speed to prevent zoom too fast (#21)
+ if (this.wheeling) {
+ return;
+ }
+
+ this.wheeling = true;
+
+ setTimeout(() => {
+ 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(e) {
+ if (this.disabled) {
+ return;
+ }
+
+ const { options, pointers } = this;
+ let action;
+
+ if (e.changedTouches) {
+ // Handle touch event
+ each(e.changedTouches, (touch) => {
+ pointers[touch.identifier] = getPointer(touch);
+ });
+ } else {
+ // Handle mouse event and pointer event
+ pointers[e.pointerId || 0] = getPointer(e);
+ }
+
+ if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
+ action = ACTION_ZOOM;
+ } else {
+ action = getData(e.target, DATA_ACTION);
+ }
+
+ if (!REGEXP_ACTIONS.test(action)) {
+ return;
+ }
+
+ if (dispatchEvent(this.element, EVENT_CROP_START, {
+ originalEvent: e,
+ action,
+ }) === false) {
+ return;
+ }
+
+ e.preventDefault();
+
+ this.action = action;
+ this.cropping = false;
+
+ if (action === ACTION_CROP) {
+ this.cropping = true;
+ addClass(this.dragBox, CLASS_MODAL);
+ }
+ },
+
+ cropMove(e) {
+ const { action } = this;
+
+ if (this.disabled || !action) {
+ return;
+ }
+
+ const { pointers } = this;
+
+ e.preventDefault();
+
+ if (dispatchEvent(this.element, EVENT_CROP_MOVE, {
+ originalEvent: e,
+ action,
+ }) === false) {
+ return;
+ }
+
+ if (e.changedTouches) {
+ each(e.changedTouches, (touch) => {
+ extend(pointers[touch.identifier], getPointer(touch, true));
+ });
+ } else {
+ extend(pointers[e.pointerId || 0], getPointer(e, true));
+ }
+
+ this.change(e);
+ },
+
+ cropEnd(e) {
+ if (this.disabled) {
+ return;
+ }
+
+ const { action, pointers } = this;
+
+ if (e.changedTouches) {
+ each(e.changedTouches, (touch) => {
+ delete pointers[touch.identifier];
+ });
+ } else {
+ delete pointers[e.pointerId || 0];
+ }
+
+ if (!action) {
+ return;
+ }
+
+ e.preventDefault();
+
+ if (!Object.keys(pointers).length) {
+ this.action = '';
+ }
+
+ if (this.cropping) {
+ this.cropping = false;
+ toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal);
+ }
+
+ dispatchEvent(this.element, EVENT_CROP_END, {
+ originalEvent: e,
+ action,
+ });
+ },
+};
diff --git a/library/cropperjs/src/js/methods.js b/library/cropperjs/src/js/methods.js
new file mode 100644
index 000000000..3627d2bd1
--- /dev/null
+++ b/library/cropperjs/src/js/methods.js
@@ -0,0 +1,842 @@
+import {
+ CLASS_CROP,
+ CLASS_DISABLED,
+ CLASS_HIDDEN,
+ CLASS_MODAL,
+ CLASS_MOVE,
+ DATA_ACTION,
+ DRAG_MODE_CROP,
+ DRAG_MODE_MOVE,
+ DRAG_MODE_NONE,
+ EVENT_LOAD,
+ EVENT_ZOOM,
+ NAMESPACE,
+} from './constants';
+import {
+ addClass,
+ dispatchEvent,
+ each,
+ extend,
+ getAdjustedSizes,
+ getOffset,
+ getPointersCenter,
+ getSourceCanvas,
+ isFunction,
+ isNumber,
+ isPlainObject,
+ isUndefined,
+ normalizeDecimalNumber,
+ removeClass,
+ removeData,
+ removeListener,
+ setData,
+ toggleClass,
+} from './utilities';
+
+export default {
+ // Show the crop box manually
+ crop() {
+ if (this.ready && !this.disabled) {
+ if (!this.cropped) {
+ this.cropped = true;
+ this.limitCropBox(true, true);
+
+ if (this.options.modal) {
+ addClass(this.dragBox, CLASS_MODAL);
+ }
+
+ removeClass(this.cropBox, CLASS_HIDDEN);
+ }
+
+ this.setCropBoxData(this.initialCropBoxData);
+ }
+
+ return this;
+ },
+
+ // Reset the image and crop box to their initial states
+ reset() {
+ if (this.ready && !this.disabled) {
+ this.imageData = extend({}, this.initialImageData);
+ this.canvasData = extend({}, this.initialCanvasData);
+ this.cropBoxData = extend({}, this.initialCropBoxData);
+ this.renderCanvas();
+
+ if (this.cropped) {
+ this.renderCropBox();
+ }
+ }
+
+ return this;
+ },
+
+ // Clear the crop box
+ clear() {
+ if (this.cropped && !this.disabled) {
+ extend(this.cropBoxData, {
+ left: 0,
+ top: 0,
+ width: 0,
+ height: 0,
+ });
+
+ this.cropped = false;
+ this.renderCropBox();
+ this.limitCanvas(true, true);
+
+ // Render canvas after crop box rendered
+ this.renderCanvas();
+ removeClass(this.dragBox, CLASS_MODAL);
+ addClass(this.cropBox, CLASS_HIDDEN);
+ }
+
+ return this;
+ },
+
+ /**
+ * Replace the image's src and rebuild the cropper
+ * @param {string} url - The new URL.
+ * @param {boolean} [onlyColorChanged] - Indicate if the new image only changed color.
+ * @returns {Object} this
+ */
+ replace(url, onlyColorChanged = false) {
+ if (!this.disabled && url) {
+ if (this.isImg) {
+ this.element.src = url;
+ }
+
+ if (onlyColorChanged) {
+ this.url = url;
+ this.image.src = url;
+
+ if (this.ready) {
+ this.image2.src = url;
+
+ each(this.previews, (element) => {
+ element.getElementsByTagName('img')[0].src = url;
+ });
+ }
+ } else {
+ if (this.isImg) {
+ this.replaced = true;
+ }
+
+ // Clear previous data
+ this.options.data = null;
+ this.load(url);
+ }
+ }
+
+ return this;
+ },
+
+ // Enable (unfreeze) the cropper
+ enable() {
+ if (this.ready) {
+ this.disabled = false;
+ removeClass(this.cropper, CLASS_DISABLED);
+ }
+
+ return this;
+ },
+
+ // Disable (freeze) the cropper
+ disable() {
+ if (this.ready) {
+ this.disabled = true;
+ addClass(this.cropper, CLASS_DISABLED);
+ }
+
+ return this;
+ },
+
+ // Destroy the cropper and remove the instance from the image
+ destroy() {
+ const { element, image } = this;
+
+ if (this.loaded) {
+ if (this.isImg && this.replaced) {
+ element.src = this.originalUrl;
+ }
+
+ this.unbuild();
+ removeClass(element, CLASS_HIDDEN);
+ } else if (this.isImg) {
+ removeListener(element, EVENT_LOAD, this.onStart);
+ } else if (image) {
+ image.parentNode.removeChild(image);
+ }
+
+ removeData(element, NAMESPACE);
+
+ return this;
+ },
+
+ /**
+ * Move the canvas with relative offsets
+ * @param {number} offsetX - The relative offset distance on the x-axis.
+ * @param {number} offsetY - The relative offset distance on the y-axis.
+ * @returns {Object} this
+ */
+ move(offsetX, offsetY) {
+ const { left, top } = this.canvasData;
+
+ return this.moveTo(
+ isUndefined(offsetX) ? offsetX : (left + Number(offsetX)),
+ isUndefined(offsetY) ? offsetY : (top + Number(offsetY)),
+ );
+ },
+
+ /**
+ * Move the canvas to an absolute point
+ * @param {number} x - The x-axis coordinate.
+ * @param {number} [y=x] - The y-axis coordinate.
+ * @returns {Object} this
+ */
+ moveTo(x, y = x) {
+ const { canvasData } = this;
+ let changed = false;
+
+ x = Number(x);
+ y = Number(y);
+
+ if (this.ready && !this.disabled && this.options.movable) {
+ if (isNumber(x)) {
+ canvasData.left = x;
+ changed = true;
+ }
+
+ if (isNumber(y)) {
+ canvasData.top = y;
+ changed = true;
+ }
+
+ if (changed) {
+ this.renderCanvas(true);
+ }
+ }
+
+ return this;
+ },
+
+ /**
+ * Zoom the canvas with a relative ratio
+ * @param {number} ratio - The target ratio.
+ * @param {Event} _originalEvent - The original event if any.
+ * @returns {Object} this
+ */
+ zoom(ratio, _originalEvent) {
+ const { canvasData } = this;
+
+ ratio = Number(ratio);
+
+ if (ratio < 0) {
+ ratio = 1 / (1 - ratio);
+ } else {
+ ratio = 1 + ratio;
+ }
+
+ return this.zoomTo((canvasData.width * ratio) / canvasData.naturalWidth, null, _originalEvent);
+ },
+
+ /**
+ * Zoom the canvas to an absolute ratio
+ * @param {number} ratio - The target ratio.
+ * @param {Object} pivot - The zoom pivot point coordinate.
+ * @param {Event} _originalEvent - The original event if any.
+ * @returns {Object} this
+ */
+ zoomTo(ratio, pivot, _originalEvent) {
+ const { options, canvasData } = this;
+ const {
+ width,
+ height,
+ naturalWidth,
+ naturalHeight,
+ } = canvasData;
+
+ ratio = Number(ratio);
+
+ if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
+ const newWidth = naturalWidth * ratio;
+ const newHeight = naturalHeight * ratio;
+
+ if (dispatchEvent(this.element, EVENT_ZOOM, {
+ originalEvent: _originalEvent,
+ oldRatio: width / naturalWidth,
+ ratio: newWidth / naturalWidth,
+ }) === false) {
+ return this;
+ }
+
+ if (_originalEvent) {
+ const { pointers } = this;
+ const offset = getOffset(this.cropper);
+ const center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : {
+ pageX: _originalEvent.pageX,
+ pageY: _originalEvent.pageY,
+ };
+
+ // Zoom from the triggering point of the event
+ canvasData.left -= (newWidth - width) * (
+ ((center.pageX - offset.left) - canvasData.left) / width
+ );
+ canvasData.top -= (newHeight - height) * (
+ ((center.pageY - offset.top) - canvasData.top) / height
+ );
+ } else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) {
+ canvasData.left -= (newWidth - width) * (
+ (pivot.x - canvasData.left) / width
+ );
+ canvasData.top -= (newHeight - height) * (
+ (pivot.y - canvasData.top) / height
+ );
+ } else {
+ // Zoom from the center of the canvas
+ canvasData.left -= (newWidth - width) / 2;
+ canvasData.top -= (newHeight - height) / 2;
+ }
+
+ canvasData.width = newWidth;
+ canvasData.height = newHeight;
+ this.renderCanvas(true);
+ }
+
+ return this;
+ },
+
+ /**
+ * Rotate the canvas with a relative degree
+ * @param {number} degree - The rotate degree.
+ * @returns {Object} this
+ */
+ rotate(degree) {
+ return this.rotateTo((this.imageData.rotate || 0) + Number(degree));
+ },
+
+ /**
+ * Rotate the canvas to an absolute degree
+ * @param {number} degree - The rotate degree.
+ * @returns {Object} this
+ */
+ rotateTo(degree) {
+ degree = Number(degree);
+
+ if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
+ this.imageData.rotate = degree % 360;
+ this.renderCanvas(true, true);
+ }
+
+ return this;
+ },
+
+ /**
+ * Scale the image on the x-axis.
+ * @param {number} scaleX - The scale ratio on the x-axis.
+ * @returns {Object} this
+ */
+ scaleX(scaleX) {
+ const { scaleY } = this.imageData;
+
+ return this.scale(scaleX, isNumber(scaleY) ? scaleY : 1);
+ },
+
+ /**
+ * Scale the image on the y-axis.
+ * @param {number} scaleY - The scale ratio on the y-axis.
+ * @returns {Object} this
+ */
+ scaleY(scaleY) {
+ const { scaleX } = this.imageData;
+
+ return this.scale(isNumber(scaleX) ? scaleX : 1, scaleY);
+ },
+
+ /**
+ * Scale the image
+ * @param {number} scaleX - The scale ratio on the x-axis.
+ * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
+ * @returns {Object} this
+ */
+ scale(scaleX, scaleY = scaleX) {
+ const { imageData } = this;
+ let transformed = false;
+
+ scaleX = Number(scaleX);
+ scaleY = Number(scaleY);
+
+ if (this.ready && !this.disabled && this.options.scalable) {
+ if (isNumber(scaleX)) {
+ imageData.scaleX = scaleX;
+ transformed = true;
+ }
+
+ if (isNumber(scaleY)) {
+ imageData.scaleY = scaleY;
+ transformed = true;
+ }
+
+ if (transformed) {
+ this.renderCanvas(true, true);
+ }
+ }
+
+ return this;
+ },
+
+ /**
+ * Get the cropped area position and size data (base on the original image)
+ * @param {boolean} [rounded=false] - Indicate if round the data values or not.
+ * @returns {Object} The result cropped data.
+ */
+ getData(rounded = false) {
+ const {
+ options,
+ imageData,
+ canvasData,
+ cropBoxData,
+ } = this;
+ let data;
+
+ if (this.ready && this.cropped) {
+ data = {
+ x: cropBoxData.left - canvasData.left,
+ y: cropBoxData.top - canvasData.top,
+ width: cropBoxData.width,
+ height: cropBoxData.height,
+ };
+
+ const ratio = imageData.width / imageData.naturalWidth;
+
+ each(data, (n, i) => {
+ n /= ratio;
+ data[i] = rounded ? Math.round(n) : n;
+ });
+ } else {
+ data = {
+ x: 0,
+ y: 0,
+ width: 0,
+ height: 0,
+ };
+ }
+
+ if (options.rotatable) {
+ data.rotate = imageData.rotate || 0;
+ }
+
+ if (options.scalable) {
+ data.scaleX = imageData.scaleX || 1;
+ data.scaleY = imageData.scaleY || 1;
+ }
+
+ return data;
+ },
+
+ /**
+ * Set the cropped area position and size with new data
+ * @param {Object} data - The new data.
+ * @returns {Object} this
+ */
+ setData(data) {
+ const { options, imageData, canvasData } = this;
+ const cropBoxData = {};
+
+ if (isFunction(data)) {
+ data = data.call(this.element);
+ }
+
+ if (this.ready && !this.disabled && isPlainObject(data)) {
+ let 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);
+ }
+
+ const ratio = imageData.width / imageData.naturalWidth;
+
+ if (isNumber(data.x)) {
+ cropBoxData.left = (data.x * ratio) + canvasData.left;
+ }
+
+ if (isNumber(data.y)) {
+ cropBoxData.top = (data.y * ratio) + canvasData.top;
+ }
+
+ if (isNumber(data.width)) {
+ cropBoxData.width = data.width * ratio;
+ }
+
+ if (isNumber(data.height)) {
+ cropBoxData.height = data.height * ratio;
+ }
+
+ this.setCropBoxData(cropBoxData);
+ }
+
+ return this;
+ },
+
+ /**
+ * Get the container size data.
+ * @returns {Object} The result container data.
+ */
+ getContainerData() {
+ return this.ready ? extend({}, this.containerData) : {};
+ },
+
+ /**
+ * Get the image position and size data.
+ * @returns {Object} The result image data.
+ */
+ getImageData() {
+ return this.loaded ? extend({}, this.imageData) : {};
+ },
+
+ /**
+ * Get the canvas position and size data.
+ * @returns {Object} The result canvas data.
+ */
+ getCanvasData() {
+ const { canvasData } = this;
+ const data = {};
+
+ if (this.ready) {
+ each([
+ 'left',
+ 'top',
+ 'width',
+ 'height',
+ 'naturalWidth',
+ 'naturalHeight',
+ ], (n) => {
+ data[n] = canvasData[n];
+ });
+ }
+
+ return data;
+ },
+
+ /**
+ * Set the canvas position and size with new data.
+ * @param {Object} data - The new canvas data.
+ * @returns {Object} this
+ */
+ setCanvasData(data) {
+ const { canvasData } = this;
+ const { aspectRatio } = canvasData;
+
+ if (isFunction(data)) {
+ data = data.call(this.element);
+ }
+
+ if (this.ready && !this.disabled && isPlainObject(data)) {
+ if (isNumber(data.left)) {
+ canvasData.left = data.left;
+ }
+
+ if (isNumber(data.top)) {
+ canvasData.top = data.top;
+ }
+
+ if (isNumber(data.width)) {
+ canvasData.width = data.width;
+ canvasData.height = data.width / aspectRatio;
+ } else if (isNumber(data.height)) {
+ canvasData.height = data.height;
+ canvasData.width = data.height * aspectRatio;
+ }
+
+ this.renderCanvas(true);
+ }
+
+ return this;
+ },
+
+ /**
+ * Get the crop box position and size data.
+ * @returns {Object} The result crop box data.
+ */
+ getCropBoxData() {
+ const { cropBoxData } = this;
+ let data;
+
+ if (this.ready && this.cropped) {
+ data = {
+ left: cropBoxData.left,
+ top: cropBoxData.top,
+ width: cropBoxData.width,
+ height: cropBoxData.height,
+ };
+ }
+
+ return data || {};
+ },
+
+ /**
+ * Set the crop box position and size with new data.
+ * @param {Object} data - The new crop box data.
+ * @returns {Object} this
+ */
+ setCropBoxData(data) {
+ const { cropBoxData } = this;
+ const { aspectRatio } = this.options;
+ let widthChanged;
+ let heightChanged;
+
+ if (isFunction(data)) {
+ data = data.call(this.element);
+ }
+
+ if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) {
+ if (isNumber(data.left)) {
+ cropBoxData.left = data.left;
+ }
+
+ if (isNumber(data.top)) {
+ cropBoxData.top = data.top;
+ }
+
+ if (isNumber(data.width) && data.width !== cropBoxData.width) {
+ widthChanged = true;
+ cropBoxData.width = data.width;
+ }
+
+ if (isNumber(data.height) && data.height !== cropBoxData.height) {
+ heightChanged = true;
+ cropBoxData.height = data.height;
+ }
+
+ if (aspectRatio) {
+ if (widthChanged) {
+ cropBoxData.height = cropBoxData.width / aspectRatio;
+ } else if (heightChanged) {
+ cropBoxData.width = cropBoxData.height * aspectRatio;
+ }
+ }
+
+ this.renderCropBox();
+ }
+
+ return this;
+ },
+
+ /**
+ * Get a canvas drawn the cropped image.
+ * @param {Object} [options={}] - The config options.
+ * @returns {HTMLCanvasElement} - The result canvas.
+ */
+ getCroppedCanvas(options = {}) {
+ if (!this.ready || !window.HTMLCanvasElement) {
+ return null;
+ }
+
+ const { canvasData } = this;
+ const source = getSourceCanvas(this.image, this.imageData, canvasData, options);
+
+ // Returns the source canvas if it is not cropped.
+ if (!this.cropped) {
+ return source;
+ }
+
+ let {
+ x: initialX,
+ y: initialY,
+ width: initialWidth,
+ height: initialHeight,
+ } = this.getData();
+ const ratio = source.width / Math.floor(canvasData.naturalWidth);
+
+ if (ratio !== 1) {
+ initialX *= ratio;
+ initialY *= ratio;
+ initialWidth *= ratio;
+ initialHeight *= ratio;
+ }
+
+ const aspectRatio = initialWidth / initialHeight;
+ const maxSizes = getAdjustedSizes({
+ aspectRatio,
+ width: options.maxWidth || Infinity,
+ height: options.maxHeight || Infinity,
+ });
+ const minSizes = getAdjustedSizes({
+ aspectRatio,
+ width: options.minWidth || 0,
+ height: options.minHeight || 0,
+ }, 'cover');
+ let {
+ width,
+ height,
+ } = getAdjustedSizes({
+ aspectRatio,
+ width: options.width || (ratio !== 1 ? source.width : initialWidth),
+ height: options.height || (ratio !== 1 ? source.height : initialHeight),
+ });
+
+ width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
+ height = Math.min(maxSizes.height, Math.max(minSizes.height, height));
+
+ const canvas = document.createElement('canvas');
+ const context = canvas.getContext('2d');
+
+ canvas.width = normalizeDecimalNumber(width);
+ canvas.height = normalizeDecimalNumber(height);
+
+ context.fillStyle = options.fillColor || 'transparent';
+ context.fillRect(0, 0, width, height);
+
+ const { imageSmoothingEnabled = true, imageSmoothingQuality } = options;
+
+ context.imageSmoothingEnabled = imageSmoothingEnabled;
+
+ if (imageSmoothingQuality) {
+ context.imageSmoothingQuality = imageSmoothingQuality;
+ }
+
+ // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
+ const sourceWidth = source.width;
+ const sourceHeight = source.height;
+
+ // Source canvas parameters
+ let srcX = initialX;
+ let srcY = initialY;
+ let srcWidth;
+ let srcHeight;
+
+ // Destination canvas parameters
+ let dstX;
+ let dstY;
+ let dstWidth;
+ let 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;
+ }
+
+ // All the numerical parameters should be integer for `drawImage`
+ // https://github.com/fengyuanchen/cropper/issues/476
+ const params = [
+ srcX,
+ srcY,
+ srcWidth,
+ srcHeight,
+ ];
+
+ // Avoid "IndexSizeError"
+ if (dstWidth > 0 && dstHeight > 0) {
+ const scale = width / initialWidth;
+
+ params.push(
+ dstX * scale,
+ dstY * scale,
+ dstWidth * scale,
+ dstHeight * scale,
+ );
+ }
+
+ context.drawImage(source, ...params.map(param => Math.floor(normalizeDecimalNumber(param))));
+
+ return canvas;
+ },
+
+ /**
+ * Change the aspect ratio of the crop box.
+ * @param {number} aspectRatio - The new aspect ratio.
+ * @returns {Object} this
+ */
+ setAspectRatio(aspectRatio) {
+ const { options } = this;
+
+ if (!this.disabled && !isUndefined(aspectRatio)) {
+ // 0 -> NaN
+ options.aspectRatio = Math.max(0, aspectRatio) || NaN;
+
+ if (this.ready) {
+ this.initCropBox();
+
+ if (this.cropped) {
+ this.renderCropBox();
+ }
+ }
+ }
+
+ return this;
+ },
+
+ /**
+ * Change the drag mode.
+ * @param {string} mode - The new drag mode.
+ * @returns {Object} this
+ */
+ setDragMode(mode) {
+ const { options, dragBox, face } = this;
+
+ if (this.loaded && !this.disabled) {
+ const croppable = mode === DRAG_MODE_CROP;
+ const movable = options.movable && mode === DRAG_MODE_MOVE;
+
+ mode = (croppable || movable) ? mode : DRAG_MODE_NONE;
+
+ setData(dragBox, DATA_ACTION, mode);
+ toggleClass(dragBox, CLASS_CROP, croppable);
+ toggleClass(dragBox, CLASS_MOVE, movable);
+
+ if (!options.cropBoxMovable) {
+ // Sync drag mode to crop box when it is not movable
+ setData(face, DATA_ACTION, mode);
+ toggleClass(face, CLASS_CROP, croppable);
+ toggleClass(face, CLASS_MOVE, movable);
+ }
+ }
+
+ return this;
+ },
+};
diff --git a/library/cropperjs/src/js/preview.js b/library/cropperjs/src/js/preview.js
new file mode 100644
index 000000000..c47d03f4b
--- /dev/null
+++ b/library/cropperjs/src/js/preview.js
@@ -0,0 +1,142 @@
+import {
+ DATA_PREVIEW,
+} from './constants';
+import {
+ each,
+ empty,
+ extend,
+ getData,
+ getTransforms,
+ removeData,
+ setData,
+ setStyle,
+} from './utilities';
+
+export default {
+ initPreview() {
+ const { crossOrigin } = this;
+ const { preview } = this.options;
+ const url = crossOrigin ? this.crossOriginUrl : this.url;
+ const image = document.createElement('img');
+
+ if (crossOrigin) {
+ image.crossOrigin = crossOrigin;
+ }
+
+ image.src = url;
+ this.viewBox.appendChild(image);
+ this.image2 = image;
+
+ if (!preview) {
+ return;
+ }
+
+ const previews = preview.querySelector ? [preview] : document.querySelectorAll(preview);
+
+ this.previews = previews;
+
+ each(previews, (element) => {
+ const img = document.createElement('img');
+
+ // Save the original size for recover
+ setData(element, DATA_PREVIEW, {
+ width: element.offsetWidth,
+ height: element.offsetHeight,
+ html: element.innerHTML,
+ });
+
+ if (crossOrigin) {
+ img.crossOrigin = crossOrigin;
+ }
+
+ img.src = url;
+
+ /**
+ * Override img element styles
+ * Add `display:block` to avoid margin top issue
+ * Add `height:auto` to override `height` attribute on IE8
+ * (Occur only when margin-top <= -height)
+ */
+ img.style.cssText = (
+ 'display:block;' +
+ 'width:100%;' +
+ 'height:auto;' +
+ 'min-width:0!important;' +
+ 'min-height:0!important;' +
+ 'max-width:none!important;' +
+ 'max-height:none!important;' +
+ 'image-orientation:0deg!important;"'
+ );
+
+ empty(element);
+ element.appendChild(img);
+ });
+ },
+
+ resetPreview() {
+ each(this.previews, (element) => {
+ const data = getData(element, DATA_PREVIEW);
+
+ setStyle(element, {
+ width: data.width,
+ height: data.height,
+ });
+
+ element.innerHTML = data.html;
+ removeData(element, DATA_PREVIEW);
+ });
+ },
+
+ preview() {
+ const { imageData, canvasData, cropBoxData } = this;
+ const { width: cropBoxWidth, height: cropBoxHeight } = cropBoxData;
+ const { width, height } = imageData;
+ const left = cropBoxData.left - canvasData.left - imageData.left;
+ const top = cropBoxData.top - canvasData.top - imageData.top;
+
+ if (!this.cropped || this.disabled) {
+ return;
+ }
+
+ setStyle(this.image2, extend({
+ width,
+ height,
+ }, getTransforms(extend({
+ translateX: -left,
+ translateY: -top,
+ }, imageData))));
+
+ each(this.previews, (element) => {
+ const data = getData(element, DATA_PREVIEW);
+ const originalWidth = data.width;
+ const originalHeight = data.height;
+ let newWidth = originalWidth;
+ let newHeight = originalHeight;
+ let ratio = 1;
+
+ if (cropBoxWidth) {
+ ratio = originalWidth / cropBoxWidth;
+ newHeight = cropBoxHeight * ratio;
+ }
+
+ if (cropBoxHeight && newHeight > originalHeight) {
+ ratio = originalHeight / cropBoxHeight;
+ newWidth = cropBoxWidth * ratio;
+ newHeight = originalHeight;
+ }
+
+ setStyle(element, {
+ width: newWidth,
+ height: newHeight,
+ });
+
+ setStyle(element.getElementsByTagName('img')[0], extend({
+ width: width * ratio,
+ height: height * ratio,
+ }, getTransforms(extend({
+ translateX: -left * ratio,
+ translateY: -top * ratio,
+ }, imageData))));
+ });
+ },
+};
diff --git a/library/cropperjs/src/js/render.js b/library/cropperjs/src/js/render.js
new file mode 100644
index 000000000..09085ce41
--- /dev/null
+++ b/library/cropperjs/src/js/render.js
@@ -0,0 +1,495 @@
+import {
+ ACTION_ALL,
+ ACTION_MOVE,
+ CLASS_HIDDEN,
+ DATA_ACTION,
+ EVENT_CROP,
+} from './constants';
+import {
+ addClass,
+ dispatchEvent,
+ extend,
+ getAdjustedSizes,
+ getRotatedSizes,
+ getTransforms,
+ removeClass,
+ setData,
+ setStyle,
+} from './utilities';
+
+export default {
+ render() {
+ this.initContainer();
+ this.initCanvas();
+ this.initCropBox();
+ this.renderCanvas();
+
+ if (this.cropped) {
+ this.renderCropBox();
+ }
+ },
+
+ initContainer() {
+ const {
+ element,
+ options,
+ container,
+ cropper,
+ } = this;
+
+ addClass(cropper, CLASS_HIDDEN);
+ removeClass(element, CLASS_HIDDEN);
+
+ const containerData = {
+ width: Math.max(
+ container.offsetWidth,
+ Number(options.minContainerWidth) || 200,
+ ),
+ height: Math.max(
+ container.offsetHeight,
+ Number(options.minContainerHeight) || 100,
+ ),
+ };
+
+ this.containerData = containerData;
+
+ setStyle(cropper, {
+ width: containerData.width,
+ height: containerData.height,
+ });
+
+ addClass(element, CLASS_HIDDEN);
+ removeClass(cropper, CLASS_HIDDEN);
+ },
+
+ // Canvas (image wrapper)
+ initCanvas() {
+ const { containerData, imageData } = this;
+ const { viewMode } = this.options;
+ const rotated = Math.abs(imageData.rotate) % 180 === 90;
+ const naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth;
+ const naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight;
+ const aspectRatio = naturalWidth / naturalHeight;
+ let canvasWidth = containerData.width;
+ let 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;
+ }
+
+ const canvasData = {
+ aspectRatio,
+ naturalWidth,
+ 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 = extend({}, imageData);
+ this.initialCanvasData = extend({}, canvasData);
+ },
+
+ limitCanvas(sizeLimited, positionLimited) {
+ const {
+ options,
+ containerData,
+ canvasData,
+ cropBoxData,
+ } = this;
+ const { viewMode } = options;
+ const { aspectRatio } = canvasData;
+ const cropped = this.cropped && cropBoxData;
+
+ if (sizeLimited) {
+ let minCanvasWidth = Number(options.minCanvasWidth) || 0;
+ let 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;
+ }
+ }
+ }
+
+ ({ width: minCanvasWidth, height: minCanvasHeight } = getAdjustedSizes({
+ aspectRatio,
+ width: minCanvasWidth,
+ height: minCanvasHeight,
+ }, 'cover'));
+
+ canvasData.minWidth = minCanvasWidth;
+ canvasData.minHeight = minCanvasHeight;
+ canvasData.maxWidth = Infinity;
+ canvasData.maxHeight = Infinity;
+ }
+
+ if (positionLimited) {
+ if (viewMode) {
+ const newCanvasLeft = containerData.width - canvasData.width;
+ const 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(changed, transformed) {
+ const { canvasData, imageData } = this;
+
+ if (transformed) {
+ const { width: naturalWidth, height: naturalHeight } = getRotatedSizes({
+ width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1),
+ height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1),
+ degree: imageData.rotate || 0,
+ });
+ const width = canvasData.width * (naturalWidth / canvasData.naturalWidth);
+ const 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, extend({
+ 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(changed) {
+ const { canvasData, imageData } = this;
+ const width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth);
+ const height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight);
+
+ extend(imageData, {
+ width,
+ height,
+ left: (canvasData.width - width) / 2,
+ top: (canvasData.height - height) / 2,
+ });
+ setStyle(this.image, extend({
+ width: imageData.width,
+ height: imageData.height,
+ }, getTransforms(extend({
+ translateX: imageData.left,
+ translateY: imageData.top,
+ }, imageData))));
+
+ if (changed) {
+ this.output();
+ }
+ },
+
+ initCropBox() {
+ const { options, canvasData } = this;
+ const { aspectRatio } = options;
+ const autoCropArea = Number(options.autoCropArea) || 0.8;
+ const cropBoxData = {
+ width: canvasData.width,
+ height: canvasData.height,
+ };
+
+ if (aspectRatio) {
+ if (canvasData.height * aspectRatio > canvasData.width) {
+ cropBoxData.height = cropBoxData.width / aspectRatio;
+ } else {
+ cropBoxData.width = cropBoxData.height * aspectRatio;
+ }
+ }
+
+ this.cropBoxData = cropBoxData;
+ this.limitCropBox(true, true);
+
+ // Initialize auto crop area
+ cropBoxData.width = Math.min(
+ Math.max(cropBoxData.width, cropBoxData.minWidth),
+ cropBoxData.maxWidth,
+ );
+ cropBoxData.height = Math.min(
+ Math.max(cropBoxData.height, cropBoxData.minHeight),
+ cropBoxData.maxHeight,
+ );
+
+ // The width/height of auto crop area must large than "minWidth/Height"
+ cropBoxData.width = Math.max(
+ cropBoxData.minWidth,
+ cropBoxData.width * autoCropArea,
+ );
+ cropBoxData.height = Math.max(
+ cropBoxData.minHeight,
+ cropBoxData.height * autoCropArea,
+ );
+ cropBoxData.left = (
+ canvasData.left + ((canvasData.width - cropBoxData.width) / 2)
+ );
+ cropBoxData.top = (
+ canvasData.top + ((canvasData.height - cropBoxData.height) / 2)
+ );
+ cropBoxData.oldLeft = cropBoxData.left;
+ cropBoxData.oldTop = cropBoxData.top;
+
+ this.initialCropBoxData = extend({}, cropBoxData);
+ },
+
+ limitCropBox(sizeLimited, positionLimited) {
+ const {
+ options,
+ containerData,
+ canvasData,
+ cropBoxData,
+ limited,
+ } = this;
+ const { aspectRatio } = options;
+
+ if (sizeLimited) {
+ let minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
+ let minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
+ let maxCropBoxWidth = Math.min(
+ containerData.width,
+ limited ? canvasData.width : containerData.width,
+ );
+ let maxCropBoxHeight = Math.min(
+ containerData.height,
+ limited ? canvasData.height : containerData.height,
+ );
+
+ // The min/maxCropBoxWidth/Height must be less than container's width/height
+ minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width);
+ minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height);
+
+ if (aspectRatio) {
+ if (minCropBoxWidth && minCropBoxHeight) {
+ if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
+ minCropBoxHeight = minCropBoxWidth / aspectRatio;
+ } else {
+ minCropBoxWidth = minCropBoxHeight * aspectRatio;
+ }
+ } else if (minCropBoxWidth) {
+ minCropBoxHeight = minCropBoxWidth / aspectRatio;
+ } else if (minCropBoxHeight) {
+ minCropBoxWidth = minCropBoxHeight * aspectRatio;
+ }
+
+ if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
+ maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
+ } else {
+ maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
+ }
+ }
+
+ // The minWidth/Height must be less than maxWidth/Height
+ cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
+ cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
+ cropBoxData.maxWidth = maxCropBoxWidth;
+ cropBoxData.maxHeight = maxCropBoxHeight;
+ }
+
+ if (positionLimited) {
+ if (limited) {
+ cropBoxData.minLeft = Math.max(0, canvasData.left);
+ cropBoxData.minTop = Math.max(0, canvasData.top);
+ cropBoxData.maxLeft = Math.min(
+ containerData.width,
+ canvasData.left + canvasData.width,
+ ) - cropBoxData.width;
+ cropBoxData.maxTop = Math.min(
+ containerData.height,
+ canvasData.top + canvasData.height,
+ ) - cropBoxData.height;
+ } else {
+ cropBoxData.minLeft = 0;
+ cropBoxData.minTop = 0;
+ cropBoxData.maxLeft = containerData.width - cropBoxData.width;
+ cropBoxData.maxTop = containerData.height - cropBoxData.height;
+ }
+ }
+ },
+
+ renderCropBox() {
+ const { options, containerData, cropBoxData } = this;
+
+ if (cropBoxData.width > cropBoxData.maxWidth ||
+ cropBoxData.width < cropBoxData.minWidth) {
+ cropBoxData.left = cropBoxData.oldLeft;
+ }
+
+ if (cropBoxData.height > cropBoxData.maxHeight ||
+ cropBoxData.height < cropBoxData.minHeight) {
+ cropBoxData.top = cropBoxData.oldTop;
+ }
+
+ cropBoxData.width = Math.min(
+ Math.max(cropBoxData.width, cropBoxData.minWidth),
+ cropBoxData.maxWidth,
+ );
+ cropBoxData.height = Math.min(
+ Math.max(cropBoxData.height, cropBoxData.minHeight),
+ cropBoxData.maxHeight,
+ );
+
+ this.limitCropBox(false, true);
+
+ cropBoxData.left = Math.min(
+ Math.max(cropBoxData.left, cropBoxData.minLeft),
+ cropBoxData.maxLeft,
+ );
+ cropBoxData.top = Math.min(
+ Math.max(cropBoxData.top, cropBoxData.minTop),
+ cropBoxData.maxTop,
+ );
+ cropBoxData.oldLeft = cropBoxData.left;
+ cropBoxData.oldTop = cropBoxData.top;
+
+ if (options.movable && options.cropBoxMovable) {
+ // Turn to move the canvas when the crop box is equal to the container
+ setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width &&
+ cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL);
+ }
+
+ setStyle(this.cropBox, extend({
+ 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() {
+ this.preview();
+
+ if (this.complete) {
+ dispatchEvent(this.element, EVENT_CROP, this.getData());
+ }
+ },
+};
diff --git a/library/cropperjs/src/js/template.js b/library/cropperjs/src/js/template.js
new file mode 100644
index 000000000..589b46a78
--- /dev/null
+++ b/library/cropperjs/src/js/template.js
@@ -0,0 +1,27 @@
+export default (
+ '<div class="cropper-container">' +
+ '<div class="cropper-wrap-box">' +
+ '<div class="cropper-canvas"></div>' +
+ '</div>' +
+ '<div class="cropper-drag-box"></div>' +
+ '<div class="cropper-crop-box">' +
+ '<span class="cropper-view-box"></span>' +
+ '<span class="cropper-dashed dashed-h"></span>' +
+ '<span class="cropper-dashed dashed-v"></span>' +
+ '<span class="cropper-center"></span>' +
+ '<span class="cropper-face"></span>' +
+ '<span class="cropper-line line-e" data-action="e"></span>' +
+ '<span class="cropper-line line-n" data-action="n"></span>' +
+ '<span class="cropper-line line-w" data-action="w"></span>' +
+ '<span class="cropper-line line-s" data-action="s"></span>' +
+ '<span class="cropper-point point-e" data-action="e"></span>' +
+ '<span class="cropper-point point-n" data-action="n"></span>' +
+ '<span class="cropper-point point-w" data-action="w"></span>' +
+ '<span class="cropper-point point-s" data-action="s"></span>' +
+ '<span class="cropper-point point-ne" data-action="ne"></span>' +
+ '<span class="cropper-point point-nw" data-action="nw"></span>' +
+ '<span class="cropper-point point-sw" data-action="sw"></span>' +
+ '<span class="cropper-point point-se" data-action="se"></span>' +
+ '</div>' +
+ '</div>'
+);
diff --git a/library/cropperjs/src/js/utilities.js b/library/cropperjs/src/js/utilities.js
new file mode 100644
index 000000000..50b586a76
--- /dev/null
+++ b/library/cropperjs/src/js/utilities.js
@@ -0,0 +1,985 @@
+import {
+ WINDOW,
+} from './constants';
+
+/**
+ * Check if the given value is not a number.
+ */
+export const isNaN = Number.isNaN || WINDOW.isNaN;
+
+/**
+ * Check if the given value is a number.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is a number, else `false`.
+ */
+export function isNumber(value) {
+ return typeof value === 'number' && !isNaN(value);
+}
+
+/**
+ * Check if the given value is undefined.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is undefined, else `false`.
+ */
+export function isUndefined(value) {
+ return typeof value === 'undefined';
+}
+
+/**
+ * Check if the given value is an object.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is an object, else `false`.
+ */
+export function isObject(value) {
+ return typeof value === 'object' && value !== null;
+}
+
+const { hasOwnProperty } = Object.prototype;
+
+/**
+ * Check if the given value is a plain object.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is a plain object, else `false`.
+ */
+export function isPlainObject(value) {
+ if (!isObject(value)) {
+ return false;
+ }
+
+ try {
+ const { constructor } = value;
+ const { prototype } = constructor;
+
+ return constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
+ } catch (e) {
+ return false;
+ }
+}
+
+/**
+ * Check if the given value is a function.
+ * @param {*} value - The value to check.
+ * @returns {boolean} Returns `true` if the given value is a function, else `false`.
+ */
+export function isFunction(value) {
+ return typeof value === 'function';
+}
+
+/**
+ * Iterate the given data.
+ * @param {*} data - The data to iterate.
+ * @param {Function} callback - The process function for each element.
+ * @returns {*} The original data.
+ */
+export function each(data, callback) {
+ if (data && isFunction(callback)) {
+ if (Array.isArray(data) || isNumber(data.length)/* array-like */) {
+ const { length } = data;
+ let 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((key) => {
+ callback.call(data, data[key], key, data);
+ });
+ }
+ }
+
+ return data;
+}
+
+/**
+ * Extend the given object.
+ * @param {*} obj - The object to be extended.
+ * @param {*} args - The rest objects which will be merged to the first object.
+ * @returns {Object} The extended object.
+ */
+export function extend(obj, ...args) {
+ if (isObject(obj) && args.length > 0) {
+ if (Object.assign) {
+ return Object.assign(obj, ...args);
+ }
+
+ args.forEach((arg) => {
+ if (isObject(arg)) {
+ Object.keys(arg).forEach((key) => {
+ obj[key] = arg[key];
+ });
+ }
+ });
+ }
+
+ return obj;
+}
+
+/**
+ * Takes a function and returns a new one that will always have a particular context.
+ * @param {Function} fn - The target function.
+ * @param {Object} context - The new context for the function.
+ * @returns {boolean} The new function.
+ */
+export function proxy(fn, context, ...args) {
+ return (...args2) => fn.apply(context, args.concat(args2));
+}
+
+const REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i;
+
+/**
+ * Normalize decimal number.
+ * Check out {@link http://0.30000000000000004.com/ }
+ * @param {number} value - The value to normalize.
+ * @param {number} [times=100000000000] - The times for normalizing.
+ * @returns {number} Returns the normalized number.
+ */
+export function normalizeDecimalNumber(value, times = 100000000000) {
+ return REGEXP_DECIMALS.test(value) ? (Math.round(value * times) / times) : value;
+}
+
+const REGEXP_SUFFIX = /^(?:width|height|left|top|marginLeft|marginTop)$/;
+
+/**
+ * Apply styles to the given element.
+ * @param {Element} element - The target element.
+ * @param {Object} styles - The styles for applying.
+ */
+export function setStyle(element, styles) {
+ const { style } = element;
+
+ each(styles, (value, property) => {
+ if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
+ value += 'px';
+ }
+
+ style[property] = value;
+ });
+}
+
+/**
+ * Check if the given element has a special class.
+ * @param {Element} element - The element to check.
+ * @param {string} value - The class to search.
+ * @returns {boolean} Returns `true` if the special class was found.
+ */
+export function hasClass(element, value) {
+ return element.classList ?
+ element.classList.contains(value) :
+ element.className.indexOf(value) > -1;
+}
+
+/**
+ * Add classes to the given element.
+ * @param {Element} element - The target element.
+ * @param {string} value - The classes to be added.
+ */
+export function addClass(element, value) {
+ if (!value) {
+ return;
+ }
+
+ if (isNumber(element.length)) {
+ each(element, (elem) => {
+ addClass(elem, value);
+ });
+ return;
+ }
+
+ if (element.classList) {
+ element.classList.add(value);
+ return;
+ }
+
+ const className = element.className.trim();
+
+ if (!className) {
+ element.className = value;
+ } else if (className.indexOf(value) < 0) {
+ element.className = `${className} ${value}`;
+ }
+}
+
+/**
+ * Remove classes from the given element.
+ * @param {Element} element - The target element.
+ * @param {string} value - The classes to be removed.
+ */
+export function removeClass(element, value) {
+ if (!value) {
+ return;
+ }
+
+ if (isNumber(element.length)) {
+ each(element, (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, '');
+ }
+}
+
+/**
+ * Add or remove classes from the given element.
+ * @param {Element} element - The target element.
+ * @param {string} value - The classes to be toggled.
+ * @param {boolean} added - Add only.
+ */
+export function toggleClass(element, value, added) {
+ if (!value) {
+ return;
+ }
+
+ if (isNumber(element.length)) {
+ each(element, (elem) => {
+ toggleClass(elem, value, added);
+ });
+ return;
+ }
+
+ // IE10-11 doesn't support the second parameter of `classList.toggle`
+ if (added) {
+ addClass(element, value);
+ } else {
+ removeClass(element, value);
+ }
+}
+
+const REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g;
+
+/**
+ * Hyphenate the given value.
+ * @param {string} value - The value to hyphenate.
+ * @returns {string} The hyphenated value.
+ */
+export function hyphenate(value) {
+ return value.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase();
+}
+
+/**
+ * Get data from the given element.
+ * @param {Element} element - The target element.
+ * @param {string} name - The data key to get.
+ * @returns {string} The data value.
+ */
+export function getData(element, name) {
+ if (isObject(element[name])) {
+ return element[name];
+ } else if (element.dataset) {
+ return element.dataset[name];
+ }
+
+ return element.getAttribute(`data-${hyphenate(name)}`);
+}
+
+/**
+ * Set data to the given element.
+ * @param {Element} element - The target element.
+ * @param {string} name - The data key to set.
+ * @param {string} data - The data value.
+ */
+export function setData(element, name, data) {
+ if (isObject(data)) {
+ element[name] = data;
+ } else if (element.dataset) {
+ element.dataset[name] = data;
+ } else {
+ element.setAttribute(`data-${hyphenate(name)}`, data);
+ }
+}
+
+/**
+ * Remove data from the given element.
+ * @param {Element} element - The target element.
+ * @param {string} name - The data key to remove.
+ */
+export function removeData(element, name) {
+ if (isObject(element[name])) {
+ try {
+ delete element[name];
+ } catch (e) {
+ element[name] = null;
+ }
+ } else if (element.dataset) {
+ // #128 Safari not allows to delete dataset property
+ try {
+ delete element.dataset[name];
+ } catch (e) {
+ element.dataset[name] = null;
+ }
+ } else {
+ element.removeAttribute(`data-${hyphenate(name)}`);
+ }
+}
+
+const REGEXP_SPACES = /\s\s*/;
+
+/**
+ * Remove event listener from the target element.
+ * @param {Element} element - The event target.
+ * @param {string} type - The event type(s).
+ * @param {Function} listener - The event listener.
+ * @param {Object} options - The event options.
+ */
+export function removeListener(element, type, listener, options = {}) {
+ if (!isFunction(listener)) {
+ return;
+ }
+
+ const types = type.trim().split(REGEXP_SPACES);
+
+ if (types.length > 1) {
+ each(types, (t) => {
+ removeListener(element, t, listener, options);
+ });
+ return;
+ }
+
+ if (element.removeEventListener) {
+ element.removeEventListener(type, listener, options);
+ } else if (element.detachEvent) {
+ element.detachEvent(`on${type}`, listener);
+ }
+}
+
+/**
+ * Add event listener to the target element.
+ * @param {Element} element - The event target.
+ * @param {string} type - The event type(s).
+ * @param {Function} listener - The event listener.
+ * @param {Object} options - The event options.
+ */
+export function addListener(element, type, listener, options = {}) {
+ if (!isFunction(listener)) {
+ return;
+ }
+
+ const types = type.trim().split(REGEXP_SPACES);
+
+ if (types.length > 1) {
+ each(types, (t) => {
+ addListener(element, t, listener, options);
+ });
+ return;
+ }
+
+ if (options.once) {
+ const originalListener = listener;
+
+ listener = (...args) => {
+ removeListener(element, type, listener, options);
+ return originalListener.apply(element, args);
+ };
+ }
+
+ if (element.addEventListener) {
+ element.addEventListener(type, listener, options);
+ } else if (element.attachEvent) {
+ element.attachEvent(`on${type}`, listener);
+ }
+}
+
+/**
+ * Dispatch event on the target element.
+ * @param {Element} element - The event target.
+ * @param {string} type - The event type(s).
+ * @param {Object} data - The additional event data.
+ * @returns {boolean} Indicate if the event is default prevented or not.
+ */
+export function dispatchEvent(element, type, data) {
+ if (element.dispatchEvent) {
+ let event;
+
+ // Event and CustomEvent on IE9-11 are global objects, not constructors
+ if (isFunction(Event) && isFunction(CustomEvent)) {
+ if (isUndefined(data)) {
+ event = new Event(type, {
+ bubbles: true,
+ cancelable: true,
+ });
+ } else {
+ event = new CustomEvent(type, {
+ detail: data,
+ bubbles: true,
+ cancelable: true,
+ });
+ }
+ } else if (isUndefined(data)) {
+ event = document.createEvent('Event');
+ event.initEvent(type, true, true);
+ } else {
+ event = document.createEvent('CustomEvent');
+ event.initCustomEvent(type, true, true, data);
+ }
+
+ // IE9+
+ return element.dispatchEvent(event);
+ } else if (element.fireEvent) {
+ // IE6-10 (native events only)
+ return element.fireEvent(`on${type}`);
+ }
+
+ return true;
+}
+
+/**
+ * Get the offset base on the document.
+ * @param {Element} element - The target element.
+ * @returns {Object} The offset data.
+ */
+export function getOffset(element) {
+ const doc = document.documentElement;
+ const box = element.getBoundingClientRect();
+
+ return {
+ left: box.left + (
+ (window.scrollX || (doc && doc.scrollLeft) || 0) - ((doc && doc.clientLeft) || 0)
+ ),
+ top: box.top + (
+ (window.scrollY || (doc && doc.scrollTop) || 0) - ((doc && doc.clientTop) || 0)
+ ),
+ };
+}
+
+/**
+ * Empty an element.
+ * @param {Element} element - The element to empty.
+ */
+export function empty(element) {
+ while (element.firstChild) {
+ element.removeChild(element.firstChild);
+ }
+}
+
+const { location } = WINDOW;
+const REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i;
+
+/**
+ * Check if the given URL is a cross origin URL.
+ * @param {string} url - The target URL.
+ * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
+ */
+export function isCrossOriginURL(url) {
+ const parts = url.match(REGEXP_ORIGINS);
+
+ return parts && (
+ parts[1] !== location.protocol ||
+ parts[2] !== location.hostname ||
+ parts[3] !== location.port
+ );
+}
+
+/**
+ * Add timestamp to the given URL.
+ * @param {string} url - The target URL.
+ * @returns {string} The result URL.
+ */
+export function addTimestamp(url) {
+ const timestamp = `timestamp=${(new Date()).getTime()}`;
+
+ return (url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp);
+}
+
+/**
+ * Get transforms base on the given object.
+ * @param {Object} obj - The target object.
+ * @returns {string} A string contains transform values.
+ */
+export function getTransforms({
+ rotate,
+ scaleX,
+ scaleY,
+ translateX,
+ translateY,
+}) {
+ const values = [];
+
+ if (isNumber(translateX) && translateX !== 0) {
+ values.push(`translateX(${translateX}px)`);
+ }
+
+ if (isNumber(translateY) && translateY !== 0) {
+ values.push(`translateY(${translateY}px)`);
+ }
+
+ // Rotate should come first before scale to match orientation transform
+ if (isNumber(rotate) && rotate !== 0) {
+ values.push(`rotate(${rotate}deg)`);
+ }
+
+ if (isNumber(scaleX) && scaleX !== 1) {
+ values.push(`scaleX(${scaleX})`);
+ }
+
+ if (isNumber(scaleY) && scaleY !== 1) {
+ values.push(`scaleY(${scaleY})`);
+ }
+
+ const transform = values.length ? values.join(' ') : 'none';
+
+ return {
+ WebkitTransform: transform,
+ msTransform: transform,
+ transform,
+ };
+}
+
+const { navigator } = WINDOW;
+const IS_SAFARI_OR_UIWEBVIEW = navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent);
+
+/**
+ * Get an image's natural sizes.
+ * @param {string} image - The target image.
+ * @param {Function} callback - The callback function.
+ */
+export function getImageNaturalSizes(image, callback) {
+ // Modern browsers (except Safari)
+ if (image.naturalWidth && !IS_SAFARI_OR_UIWEBVIEW) {
+ callback(image.naturalWidth, image.naturalHeight);
+ return;
+ }
+
+ const newImage = document.createElement('img');
+ const body = document.body || document.documentElement;
+
+ newImage.onload = () => {
+ callback(newImage.width, newImage.height);
+
+ if (!IS_SAFARI_OR_UIWEBVIEW) {
+ body.removeChild(newImage);
+ }
+ };
+
+ newImage.src = image.src;
+
+ // iOS Safari will convert the image automatically
+ // with its orientation once append it into DOM (#279)
+ if (!IS_SAFARI_OR_UIWEBVIEW) {
+ newImage.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(newImage);
+ }
+}
+
+/**
+ * Get the max ratio of a group of pointers.
+ * @param {string} pointers - The target pointers.
+ * @returns {number} The result ratio.
+ */
+export function getMaxZoomRatio(pointers) {
+ const pointers2 = extend({}, pointers);
+ const ratios = [];
+
+ each(pointers, (pointer, pointerId) => {
+ delete pointers2[pointerId];
+
+ each(pointers2, (pointer2) => {
+ const x1 = Math.abs(pointer.startX - pointer2.startX);
+ const y1 = Math.abs(pointer.startY - pointer2.startY);
+ const x2 = Math.abs(pointer.endX - pointer2.endX);
+ const y2 = Math.abs(pointer.endY - pointer2.endY);
+ const z1 = Math.sqrt((x1 * x1) + (y1 * y1));
+ const z2 = Math.sqrt((x2 * x2) + (y2 * y2));
+ const ratio = (z2 - z1) / z1;
+
+ ratios.push(ratio);
+ });
+ });
+
+ ratios.sort((a, b) => Math.abs(a) < Math.abs(b));
+
+ return ratios[0];
+}
+
+/**
+ * Get a pointer from an event object.
+ * @param {Object} event - The target event object.
+ * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
+ * @returns {Object} The result pointer contains start and/or end point coordinates.
+ */
+export function getPointer({ pageX, pageY }, endOnly) {
+ const end = {
+ endX: pageX,
+ endY: pageY,
+ };
+
+ if (endOnly) {
+ return end;
+ }
+
+ return extend({
+ startX: pageX,
+ startY: pageY,
+ }, end);
+}
+
+/**
+ * Get the center point coordinate of a group of pointers.
+ * @param {Object} pointers - The target pointers.
+ * @returns {Object} The center point coordinate.
+ */
+export function getPointersCenter(pointers) {
+ let pageX = 0;
+ let pageY = 0;
+ let count = 0;
+
+ each(pointers, ({ startX, startY }) => {
+ pageX += startX;
+ pageY += startY;
+ count += 1;
+ });
+
+ pageX /= count;
+ pageY /= count;
+
+ return {
+ pageX,
+ pageY,
+ };
+}
+
+/**
+ * Check if the given value is a finite number.
+ */
+export const isFinite = Number.isFinite || WINDOW.isFinite;
+
+/**
+ * Get the max sizes in a rectangle under the given aspect ratio.
+ * @param {Object} data - The original sizes.
+ * @param {string} [type='contain'] - The adjust type.
+ * @returns {Object} The result sizes.
+ */
+export function getAdjustedSizes(
+ {
+ aspectRatio,
+ height,
+ width,
+ },
+ type = 'contain', // or 'cover'
+) {
+ const isValidNumber = value => isFinite(value) && value > 0;
+
+ if (isValidNumber(width) && isValidNumber(height)) {
+ const adjustedWidth = height * aspectRatio;
+
+ if ((type === 'contain' && adjustedWidth > width) || (type === 'cover' && adjustedWidth < width)) {
+ height = width / aspectRatio;
+ } else {
+ width = height * aspectRatio;
+ }
+ } else if (isValidNumber(width)) {
+ height = width / aspectRatio;
+ } else if (isValidNumber(height)) {
+ width = height * aspectRatio;
+ }
+
+ return {
+ width,
+ height,
+ };
+}
+
+/**
+ * Get the new sizes of a rectangle after rotated.
+ * @param {Object} data - The original sizes.
+ * @returns {Object} The result sizes.
+ */
+export function getRotatedSizes({ width, height, degree }) {
+ degree = Math.abs(degree) % 180;
+
+ if (degree === 90) {
+ return {
+ width: height,
+ height: width,
+ };
+ }
+
+ const arc = ((degree % 90) * Math.PI) / 180;
+ const sinArc = Math.sin(arc);
+ const cosArc = Math.cos(arc);
+ const newWidth = (width * cosArc) + (height * sinArc);
+ const newHeight = (width * sinArc) + (height * cosArc);
+
+ return degree > 90 ? {
+ width: newHeight,
+ height: newWidth,
+ } : {
+ width: newWidth,
+ height: newHeight,
+ };
+}
+
+/**
+ * Get a canvas which drew the given image.
+ * @param {HTMLImageElement} image - The image for drawing.
+ * @param {Object} imageData - The image data.
+ * @param {Object} canvasData - The canvas data.
+ * @param {Object} options - The options.
+ * @returns {HTMLCanvasElement} The result canvas.
+ */
+export function getSourceCanvas(
+ image,
+ {
+ rotate = 0,
+ scaleX = 1,
+ scaleY = 1,
+ },
+ {
+ aspectRatio,
+ naturalWidth,
+ naturalHeight,
+ },
+ {
+ fillColor = 'transparent',
+ imageSmoothingEnabled = true,
+ imageSmoothingQuality = 'low',
+ maxWidth = Infinity,
+ maxHeight = Infinity,
+ minWidth = 0,
+ minHeight = 0,
+ },
+) {
+ const canvas = document.createElement('canvas');
+ const context = canvas.getContext('2d');
+ const maxSizes = getAdjustedSizes({
+ aspectRatio,
+ width: maxWidth,
+ height: maxHeight,
+ });
+ const minSizes = getAdjustedSizes({
+ aspectRatio,
+ width: minWidth,
+ height: minHeight,
+ }, 'cover');
+ const width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
+ const height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));
+ const params = [
+ -width / 2,
+ -height / 2,
+ width,
+ height,
+ ];
+
+ 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(image, ...params.map(param => Math.floor(normalizeDecimalNumber(param))));
+ context.restore();
+ return canvas;
+}
+
+const { fromCharCode } = String;
+
+/**
+ * Get string from char code in data view.
+ * @param {DataView} dataView - The data view for read.
+ * @param {number} start - The start index.
+ * @param {number} length - The read length.
+ * @returns {string} The read result.
+ */
+export function getStringFromCharCode(dataView, start, length) {
+ let str = '';
+ let i;
+
+ length += start;
+
+ for (i = start; i < length; i += 1) {
+ str += fromCharCode(dataView.getUint8(i));
+ }
+
+ return str;
+}
+
+const REGEXP_DATA_URL_HEAD = /^data:.*,/;
+
+/**
+ * Transform Data URL to array buffer.
+ * @param {string} dataURL - The Data URL to transform.
+ * @returns {ArrayBuffer} The result array buffer.
+ */
+export function dataURLToArrayBuffer(dataURL) {
+ const base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
+ const binary = atob(base64);
+ const arrayBuffer = new ArrayBuffer(binary.length);
+ const uint8 = new Uint8Array(arrayBuffer);
+
+ each(uint8, (value, i) => {
+ uint8[i] = binary.charCodeAt(i);
+ });
+
+ return arrayBuffer;
+}
+
+/**
+ * Transform array buffer to Data URL.
+ * @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
+ * @param {string} mimeType - The mime type of the Data URL.
+ * @returns {string} The result Data URL.
+ */
+export function arrayBufferToDataURL(arrayBuffer, mimeType) {
+ const uint8 = new Uint8Array(arrayBuffer);
+ let data = '';
+
+ // TypedArray.prototype.forEach is not supported in some browsers.
+ each(uint8, (value) => {
+ data += fromCharCode(value);
+ });
+
+ return `data:${mimeType};base64,${btoa(data)}`;
+}
+
+/**
+ * Get orientation value from given array buffer.
+ * @param {ArrayBuffer} arrayBuffer - The array buffer to read.
+ * @returns {number} The read orientation value.
+ */
+export function getOrientation(arrayBuffer) {
+ const dataView = new DataView(arrayBuffer);
+ let orientation;
+ let littleEndian;
+ let app1Start;
+ let ifdStart;
+
+ // Only handle JPEG image (start by 0xFFD8)
+ if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
+ const length = dataView.byteLength;
+ let offset = 2;
+
+ while (offset < length) {
+ if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
+ app1Start = offset;
+ break;
+ }
+
+ offset += 1;
+ }
+ }
+
+ if (app1Start) {
+ const exifIDCode = app1Start + 4;
+ const tiffOffset = app1Start + 10;
+
+ if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
+ const endianness = dataView.getUint16(tiffOffset);
+
+ littleEndian = endianness === 0x4949;
+
+ if (littleEndian || endianness === 0x4D4D /* bigEndian */) {
+ if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
+ const firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
+
+ if (firstIFDOffset >= 0x00000008) {
+ ifdStart = tiffOffset + firstIFDOffset;
+ }
+ }
+ }
+ }
+ }
+
+ if (ifdStart) {
+ const length = dataView.getUint16(ifdStart, littleEndian);
+ let offset;
+ let i;
+
+ for (i = 0; i < length; i += 1) {
+ offset = ifdStart + (i * 12) + 2;
+
+ if (dataView.getUint16(offset, littleEndian) === 0x0112 /* Orientation */) {
+ // 8 is the offset of the current tag's value
+ offset += 8;
+
+ // Get the original orientation value
+ orientation = dataView.getUint16(offset, littleEndian);
+
+ // Override the orientation with its default value
+ dataView.setUint16(offset, 1, littleEndian);
+ break;
+ }
+ }
+ }
+
+ return orientation;
+}
+
+/**
+ * Parse Exif Orientation value.
+ * @param {number} orientation - The orientation to parse.
+ * @returns {Object} The parsed result.
+ */
+export function parseOrientation(orientation) {
+ let rotate = 0;
+ let scaleX = 1;
+ let scaleY = 1;
+
+ switch (orientation) {
+ // Flip horizontal
+ case 2:
+ scaleX = -1;
+ break;
+
+ // Rotate left 180°
+ case 3:
+ rotate = -180;
+ break;
+
+ // Flip vertical
+ case 4:
+ scaleY = -1;
+ break;
+
+ // Flip vertical and rotate right 90°
+ case 5:
+ rotate = 90;
+ scaleY = -1;
+ break;
+
+ // Rotate right 90°
+ case 6:
+ rotate = 90;
+ break;
+
+ // Flip horizontal and rotate right 90°
+ case 7:
+ rotate = 90;
+ scaleX = -1;
+ break;
+
+ // Rotate left 90°
+ case 8:
+ rotate = -90;
+ break;
+
+ default:
+ }
+
+ return {
+ rotate,
+ scaleX,
+ scaleY,
+ };
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 19:48:48 +0000