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diff --git a/javascript/jquery/plugins/cropper/cropper.js b/javascript/jquery/plugins/cropper/cropper.js
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-/*!
- * Cropper v1.0.0
- * https://github.com/fengyuanchen/cropper
- *
- * Copyright (c) 2014-2015 Fengyuan Chen and contributors
- * Released under the MIT license
- *
- * Date: 2015-10-10T02:10:08.624Z
- */
-
-(function (factory) {
- if (typeof define === 'function' && define.amd) {
- // AMD. Register as anonymous module.
- define(['jquery'], factory);
- } else if (typeof exports === 'object') {
- // Node / CommonJS
- factory(require('jquery'));
- } else {
- // Browser globals.
- factory(jQuery);
- }
-})(function ($) {
-
- 'use strict';
-
- // Globals
- var $window = $(window);
- var $document = $(document);
- var location = window.location;
-
- // Constants
- var NAMESPACE = 'cropper';
-
- // Classes
- var CLASS_MODAL = 'cropper-modal';
- var CLASS_HIDE = 'cropper-hide';
- var CLASS_HIDDEN = 'cropper-hidden';
- var CLASS_INVISIBLE = 'cropper-invisible';
- var CLASS_MOVE = 'cropper-move';
- var CLASS_CROP = 'cropper-crop';
- var CLASS_DISABLED = 'cropper-disabled';
- var CLASS_BG = 'cropper-bg';
-
- // Events
- var EVENT_MOUSE_DOWN = 'mousedown touchstart pointerdown MSPointerDown';
- var EVENT_MOUSE_MOVE = 'mousemove touchmove pointermove MSPointerMove';
- var EVENT_MOUSE_UP = 'mouseup touchend touchcancel pointerup pointercancel MSPointerUp MSPointerCancel';
- var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
- var EVENT_DBLCLICK = 'dblclick';
- var EVENT_LOAD = 'load.' + NAMESPACE;
- var EVENT_ERROR = 'error.' + NAMESPACE;
- var EVENT_RESIZE = 'resize.' + NAMESPACE; // Bind to window with namespace
- var EVENT_BUILD = 'build.' + NAMESPACE;
- var EVENT_BUILT = 'built.' + NAMESPACE;
- var EVENT_CROP_START = 'cropstart.' + NAMESPACE;
- var EVENT_CROP_MOVE = 'cropmove.' + NAMESPACE;
- var EVENT_CROP_END = 'cropend.' + NAMESPACE;
- var EVENT_CROP = 'crop.' + NAMESPACE;
- var EVENT_ZOOM = 'zoom.' + NAMESPACE;
-
- // RegExps
- var REGEXP_ACTIONS = /^(e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;
-
- // Data keys
- var DATA_PREVIEW = 'preview';
- var DATA_ACTION = 'action';
-
- // Actions
- var ACTION_EAST = 'e';
- var ACTION_WEST = 'w';
- var ACTION_SOUTH = 's';
- var ACTION_NORTH = 'n';
- var ACTION_SOUTH_EAST = 'se';
- var ACTION_SOUTH_WEST = 'sw';
- var ACTION_NORTH_EAST = 'ne';
- var ACTION_NORTH_WEST = 'nw';
- var ACTION_ALL = 'all';
- var ACTION_CROP = 'crop';
- var ACTION_MOVE = 'move';
- var ACTION_ZOOM = 'zoom';
- var ACTION_NONE = 'none';
-
- // Supports
- var SUPPORT_CANVAS = $.isFunction($('<canvas>')[0].getContext);
-
- // Maths
- var sqrt = Math.sqrt;
- var min = Math.min;
- var max = Math.max;
- var abs = Math.abs;
- var sin = Math.sin;
- var cos = Math.cos;
- var num = parseFloat;
-
- // Prototype
- var prototype = {
- version: '1.0.0'
- };
-
- function isNumber(n) {
- return typeof n === 'number' && !isNaN(n);
- }
-
- function isUndefined(n) {
- return typeof n === 'undefined';
- }
-
- function toArray(obj, offset) {
- var args = [];
-
- // This is necessary for IE8
- if (isNumber(offset)) {
- args.push(offset);
- }
-
- return args.slice.apply(obj, args);
- }
-
- // Custom proxy to avoid jQuery's guid
- function proxy(fn, context) {
- var args = toArray(arguments, 2);
-
- return function () {
- return fn.apply(context, args.concat(toArray(arguments)));
- };
- }
-
- function isCrossOriginURL(url) {
- var parts = url.match(/^(https?:)\/\/([^\:\/\?#]+):?(\d*)/i);
-
- return parts && (
- parts[1] !== location.protocol ||
- parts[2] !== location.hostname ||
- parts[3] !== location.port
- );
- }
-
- function addTimestamp(url) {
- var timestamp = 'timestamp=' + (new Date()).getTime();
-
- return (url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp);
- }
-
- function getCrossOrigin(crossOrigin) {
- return crossOrigin ? ' crossOrigin="' + crossOrigin + '"' : '';
- }
-
- function getImageSize(image, callback) {
- var newImage;
-
- // Modern browsers
- if (image.naturalWidth) {
- return callback(image.naturalWidth, image.naturalHeight);
- }
-
- // IE8: Don't use `new Image()` here (#319)
- newImage = document.createElement('img');
-
- newImage.onload = function () {
- callback(this.width, this.height);
- };
-
- newImage.src = image.src;
- }
-
- function getTransform(options) {
- var transforms = [];
- var rotate = options.rotate;
- var scaleX = options.scaleX;
- var scaleY = options.scaleY;
-
- if (isNumber(rotate)) {
- transforms.push('rotate(' + rotate + 'deg)');
- }
-
- if (isNumber(scaleX) && isNumber(scaleY)) {
- transforms.push('scale(' + scaleX + ',' + scaleY + ')');
- }
-
- return transforms.length ? transforms.join(' ') : 'none';
- }
-
- function getRotatedSizes(data, reverse) {
- var deg = abs(data.degree) % 180;
- var arc = (deg > 90 ? (180 - deg) : deg) * Math.PI / 180;
- var sinArc = sin(arc);
- var cosArc = cos(arc);
- var width = data.width;
- var height = data.height;
- var aspectRatio = data.aspectRatio;
- var newWidth;
- var newHeight;
-
- if (!reverse) {
- newWidth = width * cosArc + height * sinArc;
- newHeight = width * sinArc + height * cosArc;
- } else {
- newWidth = width / (cosArc + sinArc / aspectRatio);
- newHeight = newWidth / aspectRatio;
- }
-
- return {
- width: newWidth,
- height: newHeight
- };
- }
-
- function getSourceCanvas(image, data) {
- var canvas = $('<canvas>')[0];
- var context = canvas.getContext('2d');
- var x = 0;
- var y = 0;
- var width = data.naturalWidth;
- var height = data.naturalHeight;
- var rotate = data.rotate;
- var scaleX = data.scaleX;
- var scaleY = data.scaleY;
- var scalable = isNumber(scaleX) && isNumber(scaleY) && (scaleX !== 1 || scaleY !== 1);
- var rotatable = isNumber(rotate) && rotate !== 0;
- var advanced = rotatable || scalable;
- var canvasWidth = width;
- var canvasHeight = height;
- var translateX;
- var translateY;
- var rotated;
-
- if (scalable) {
- translateX = width / 2;
- translateY = height / 2;
- }
-
- if (rotatable) {
- rotated = getRotatedSizes({
- width: width,
- height: height,
- degree: rotate
- });
-
- canvasWidth = rotated.width;
- canvasHeight = rotated.height;
- translateX = rotated.width / 2;
- translateY = rotated.height / 2;
- }
-
- canvas.width = canvasWidth;
- canvas.height = canvasHeight;
-
- if (advanced) {
- x = -width / 2;
- y = -height / 2;
-
- context.save();
- context.translate(translateX, translateY);
- }
-
- if (rotatable) {
- context.rotate(rotate * Math.PI / 180);
- }
-
- // Should call `scale` after rotated
- if (scalable) {
- context.scale(scaleX, scaleY);
- }
-
- context.drawImage(image, x, y, width, height);
-
- if (advanced) {
- context.restore();
- }
-
- return canvas;
- }
-
- function Cropper(element, options) {
- this.$element = $(element);
- this.options = $.extend({}, Cropper.DEFAULTS, $.isPlainObject(options) && options);
- this.ready = false;
- this.built = false;
- this.complete = false;
- this.rotated = false;
- this.cropped = false;
- this.disabled = false;
- this.replaced = false;
- this.isImg = false;
- this.originalUrl = '';
- this.crossOrigin = '';
- this.canvas = null;
- this.cropBox = null;
- this.init();
- }
-
- $.extend(prototype, {
- init: function () {
- var $this = this.$element;
- var url;
-
- if ($this.is('img')) {
- this.isImg = true;
-
- // Should use `$.fn.attr` here. e.g.: "img/picture.jpg"
- this.originalUrl = url = $this.attr('src');
-
- // Stop when it's a blank image
- if (!url) {
- return;
- }
-
- // Should use `$.fn.prop` here. e.g.: "http://example.com/img/picture.jpg"
- url = $this.prop('src');
- } else if ($this.is('canvas') && SUPPORT_CANVAS) {
- url = $this[0].toDataURL();
- }
-
- this.load(url);
- },
-
- // A shortcut for triggering custom events
- trigger: function (type, data) {
- var e = $.Event(type, data);
-
- this.$element.trigger(e);
-
- return e;
- },
-
- load: function (url) {
- var options = this.options;
- var $this = this.$element;
- var crossOrigin = '';
- var bustCacheUrl;
- var $clone;
-
- if (!url) {
- return;
- }
-
- this.url = url;
-
- // Trigger build event first
- $this.one(EVENT_BUILD, options.build);
-
- if (this.trigger(EVENT_BUILD).isDefaultPrevented()) {
- return;
- }
-
- if (options.checkImageOrigin && isCrossOriginURL(url)) {
- crossOrigin = $this.prop('crossOrigin');
-
- // Bust cache (#148), only when there was not a "crossOrigin" property
- if (!crossOrigin) {
- crossOrigin = 'anonymous';
- bustCacheUrl = addTimestamp(url);
- }
-
- this.crossOrigin = crossOrigin;
- }
-
- this.$clone = $clone = $('<img' + getCrossOrigin(crossOrigin) + ' src="' + (bustCacheUrl || url) + '">');
-
- if (this.isImg) {
- if ($this[0].complete) {
- this.start();
- } else {
- $this.one(EVENT_LOAD, $.proxy(this.start, this));
- }
- } else {
- $clone.
- one(EVENT_LOAD, $.proxy(this.start, this)).
- one(EVENT_ERROR, $.proxy(this.stop, this)).
- addClass(CLASS_HIDE).
- insertAfter($this);
- }
- },
-
- start: function () {
- var $image = this.$element;
- var $clone = this.$clone;
-
- if (!this.isImg) {
- $clone.off(EVENT_ERROR, this.stop);
- $image = $clone;
- }
-
- getImageSize($image[0], $.proxy(function (naturalWidth, naturalHeight) {
- this.image = {
- naturalWidth: naturalWidth,
- naturalHeight: naturalHeight,
- aspectRatio: naturalWidth / naturalHeight
- };
-
- this.ready = true;
- this.build();
- }, this));
- },
-
- stop: function () {
- this.$clone.remove();
- this.$clone = null;
- }
- });
-
- $.extend(prototype, {
- build: function () {
- var options = this.options;
- var $this = this.$element;
- var $clone = this.$clone;
- var $cropper;
- var $cropBox;
- var $face;
-
- if (!this.ready) {
- return;
- }
-
- // Unbuild first when replace
- if (this.built) {
- this.unbuild();
- }
-
- // Create cropper elements
- this.$container = $this.parent();
- this.$cropper = $cropper = $(Cropper.TEMPLATE);
- this.$canvas = $cropper.find('.cropper-canvas').append($clone);
- this.$dragBox = $cropper.find('.cropper-drag-box');
- this.$cropBox = $cropBox = $cropper.find('.cropper-crop-box');
- this.$viewBox = $cropper.find('.cropper-view-box');
- this.$face = $face = $cropBox.find('.cropper-face');
-
- // Hide the original image
- $this.addClass(CLASS_HIDDEN).after($cropper);
-
- // Show the clone image if is hidden
- if (!this.isImg) {
- $clone.removeClass(CLASS_HIDE);
- }
-
- this.initPreview();
- this.bind();
-
- // Format aspect ratio (0 -> NaN)
- options.aspectRatio = num(options.aspectRatio) || NaN;
-
- if (options.autoCrop) {
- this.cropped = true;
-
- if (options.modal) {
- this.$dragBox.addClass(CLASS_MODAL);
- }
- } else {
- $cropBox.addClass(CLASS_HIDDEN);
- }
-
- if (!options.guides) {
- $cropBox.find('.cropper-dashed').addClass(CLASS_HIDDEN);
- }
-
- if (!options.center) {
- $cropBox.find('.cropper-center').addClass(CLASS_HIDDEN);
- }
-
- if (options.cropBoxMovable) {
- $face.addClass(CLASS_MOVE).data(DATA_ACTION, ACTION_ALL);
- }
-
- if (!options.highlight) {
- $face.addClass(CLASS_INVISIBLE);
- }
-
- if (options.background) {
- $cropper.addClass(CLASS_BG);
- }
-
- if (!options.cropBoxResizable) {
- $cropBox.find('.cropper-line, .cropper-point').addClass(CLASS_HIDDEN);
- }
-
- this.setDragMode(options.dragCrop ? ACTION_CROP : (options.movable ? ACTION_MOVE : ACTION_NONE));
-
- this.render();
- this.built = true;
- this.setData(options.data);
- $this.one(EVENT_BUILT, options.built);
-
- // Trigger the built event asynchronously to keep `data('cropper')` is defined
- setTimeout($.proxy(function () {
- this.trigger(EVENT_BUILT);
- this.complete = true;
- }, this), 0);
- },
-
- unbuild: function () {
- if (!this.built) {
- return;
- }
-
- this.built = false;
- this.initialImage = null;
-
- // Clear `initialCanvas` is necessary when replace
- this.initialCanvas = null;
- this.initialCropBox = null;
- this.container = null;
- this.canvas = null;
-
- // Clear `cropBox` is necessary when replace
- this.cropBox = null;
- this.unbind();
-
- this.resetPreview();
- this.$preview = null;
-
- this.$viewBox = null;
- this.$cropBox = null;
- this.$dragBox = null;
- this.$canvas = null;
- this.$container = null;
-
- this.$cropper.remove();
- this.$cropper = null;
- }
- });
-
- $.extend(prototype, {
- render: function () {
- this.initContainer();
- this.initCanvas();
- this.initCropBox();
-
- this.renderCanvas();
-
- if (this.cropped) {
- this.renderCropBox();
- }
- },
-
- initContainer: function () {
- var options = this.options;
- var $this = this.$element;
- var $container = this.$container;
- var $cropper = this.$cropper;
-
- $cropper.addClass(CLASS_HIDDEN);
- $this.removeClass(CLASS_HIDDEN);
-
- $cropper.css((this.container = {
- width: max($container.width(), num(options.minContainerWidth) || 200),
- height: max($container.height(), num(options.minContainerHeight) || 100)
- }));
-
- $this.addClass(CLASS_HIDDEN);
- $cropper.removeClass(CLASS_HIDDEN);
- },
-
- // Canvas (image wrapper)
- initCanvas: function () {
- var container = this.container;
- var containerWidth = container.width;
- var containerHeight = container.height;
- var image = this.image;
- var aspectRatio = image.aspectRatio;
- var canvas = {
- aspectRatio: aspectRatio,
- width: containerWidth,
- height: containerHeight
- };
-
- if (containerHeight * aspectRatio > containerWidth) {
- canvas.height = containerWidth / aspectRatio;
- } else {
- canvas.width = containerHeight * aspectRatio;
- }
-
- canvas.oldLeft = canvas.left = (containerWidth - canvas.width) / 2;
- canvas.oldTop = canvas.top = (containerHeight - canvas.height) / 2;
-
- this.canvas = canvas;
- this.limitCanvas(true, true);
- this.initialImage = $.extend({}, image);
- this.initialCanvas = $.extend({}, canvas);
- },
-
- limitCanvas: function (size, position) {
- var options = this.options;
- var strict = options.strict;
- var container = this.container;
- var containerWidth = container.width;
- var containerHeight = container.height;
- var canvas = this.canvas;
- var aspectRatio = canvas.aspectRatio;
- var cropBox = this.cropBox;
- var cropped = this.cropped && cropBox;
- var initialCanvas = this.initialCanvas || canvas;
- var minCanvasWidth;
- var minCanvasHeight;
-
- if (size) {
- minCanvasWidth = num(options.minCanvasWidth) || 0;
- minCanvasHeight = num(options.minCanvasHeight) || 0;
-
- if (strict) {
- if (minCanvasWidth) {
- minCanvasWidth = max(minCanvasWidth, cropped ? cropBox.width : initialCanvas.width);
- } else if (minCanvasHeight) {
- minCanvasHeight = max(minCanvasHeight, cropped ? cropBox.height : initialCanvas.height);
- } else if (cropped) {
- minCanvasWidth = cropBox.width;
- minCanvasHeight = cropBox.height;
-
- if (minCanvasHeight * aspectRatio > minCanvasWidth) {
- minCanvasWidth = minCanvasHeight * aspectRatio;
- } else {
- minCanvasHeight = minCanvasWidth / aspectRatio;
- }
- }
- }
-
- if (minCanvasWidth && minCanvasHeight) {
- if (minCanvasHeight * aspectRatio > minCanvasWidth) {
- minCanvasHeight = minCanvasWidth / aspectRatio;
- } else {
- minCanvasWidth = minCanvasHeight * aspectRatio;
- }
- } else if (minCanvasWidth) {
- minCanvasHeight = minCanvasWidth / aspectRatio;
- } else if (minCanvasHeight) {
- minCanvasWidth = minCanvasHeight * aspectRatio;
- }
-
- canvas.minWidth = minCanvasWidth;
- canvas.minHeight = minCanvasHeight;
- canvas.maxWidth = Infinity;
- canvas.maxHeight = Infinity;
- }
-
- if (position) {
- if (strict) {
- canvas.minLeft = cropped ?
- min(cropBox.left, (cropBox.left + cropBox.width) - canvas.width) :
- min(0, containerWidth - canvas.width);
- canvas.minTop = cropped ?
- min(cropBox.top, (cropBox.top + cropBox.height) - canvas.height) :
- min(0, containerHeight - canvas.height);
- canvas.maxLeft = cropped ? cropBox.left : max(0, containerWidth - canvas.width);
- canvas.maxTop = cropped ? cropBox.top : max(0, containerHeight - canvas.height);
- } else {
- canvas.minLeft = -canvas.width;
- canvas.minTop = -canvas.height;
- canvas.maxLeft = containerWidth;
- canvas.maxTop = containerHeight;
- }
- }
- },
-
- renderCanvas: function (changed) {
- var options = this.options;
- var canvas = this.canvas;
- var image = this.image;
- var aspectRatio;
- var rotated;
-
- if (this.rotated) {
- this.rotated = false;
-
- // Computes rotated sizes with image sizes
- rotated = getRotatedSizes({
- width: image.width,
- height: image.height,
- degree: image.rotate
- });
-
- aspectRatio = rotated.width / rotated.height;
-
- if (aspectRatio !== canvas.aspectRatio) {
- canvas.left -= (rotated.width - canvas.width) / 2;
- canvas.top -= (rotated.height - canvas.height) / 2;
- canvas.width = rotated.width;
- canvas.height = rotated.height;
- canvas.aspectRatio = aspectRatio;
- this.limitCanvas(true, false);
- }
- }
-
- if (canvas.width > canvas.maxWidth || canvas.width < canvas.minWidth) {
- canvas.left = canvas.oldLeft;
- }
-
- if (canvas.height > canvas.maxHeight || canvas.height < canvas.minHeight) {
- canvas.top = canvas.oldTop;
- }
-
- canvas.width = min(max(canvas.width, canvas.minWidth), canvas.maxWidth);
- canvas.height = min(max(canvas.height, canvas.minHeight), canvas.maxHeight);
-
- this.limitCanvas(false, true);
-
- canvas.oldLeft = canvas.left = min(max(canvas.left, canvas.minLeft), canvas.maxLeft);
- canvas.oldTop = canvas.top = min(max(canvas.top, canvas.minTop), canvas.maxTop);
-
- this.$canvas.css({
- width: canvas.width,
- height: canvas.height,
- left: canvas.left,
- top: canvas.top
- });
-
- this.renderImage();
-
- if (this.cropped && options.strict) {
- this.limitCropBox(true, true);
- }
-
- if (changed) {
- this.output();
- }
- },
-
- renderImage: function (changed) {
- var canvas = this.canvas;
- var image = this.image;
- var reversed;
-
- if (image.rotate) {
- reversed = getRotatedSizes({
- width: canvas.width,
- height: canvas.height,
- degree: image.rotate,
- aspectRatio: image.aspectRatio
- }, true);
- }
-
- $.extend(image, reversed ? {
- width: reversed.width,
- height: reversed.height,
- left: (canvas.width - reversed.width) / 2,
- top: (canvas.height - reversed.height) / 2
- } : {
- width: canvas.width,
- height: canvas.height,
- left: 0,
- top: 0
- });
-
- this.$clone.css({
- width: image.width,
- height: image.height,
- marginLeft: image.left,
- marginTop: image.top,
- transform: getTransform(image)
- });
-
- if (changed) {
- this.output();
- }
- },
-
- initCropBox: function () {
- var options = this.options;
- var canvas = this.canvas;
- var aspectRatio = options.aspectRatio;
- var autoCropArea = num(options.autoCropArea) || 0.8;
- var cropBox = {
- width: canvas.width,
- height: canvas.height
- };
-
- if (aspectRatio) {
- if (canvas.height * aspectRatio > canvas.width) {
- cropBox.height = cropBox.width / aspectRatio;
- } else {
- cropBox.width = cropBox.height * aspectRatio;
- }
- }
-
- this.cropBox = cropBox;
- this.limitCropBox(true, true);
-
- // Initialize auto crop area
- cropBox.width = min(max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
- cropBox.height = min(max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);
-
- // The width of auto crop area must large than "minWidth", and the height too. (#164)
- cropBox.width = max(cropBox.minWidth, cropBox.width * autoCropArea);
- cropBox.height = max(cropBox.minHeight, cropBox.height * autoCropArea);
- cropBox.oldLeft = cropBox.left = canvas.left + (canvas.width - cropBox.width) / 2;
- cropBox.oldTop = cropBox.top = canvas.top + (canvas.height - cropBox.height) / 2;
-
- this.initialCropBox = $.extend({}, cropBox);
- },
-
- limitCropBox: function (size, position) {
- var options = this.options;
- var strict = options.strict;
- var container = this.container;
- var containerWidth = container.width;
- var containerHeight = container.height;
- var canvas = this.canvas;
- var cropBox = this.cropBox;
- var aspectRatio = options.aspectRatio;
- var minCropBoxWidth;
- var minCropBoxHeight;
- var maxCropBoxWidth;
- var maxCropBoxHeight;
-
- if (size) {
- minCropBoxWidth = num(options.minCropBoxWidth) || 0;
- minCropBoxHeight = num(options.minCropBoxHeight) || 0;
-
- // The min/maxCropBoxWidth/Height must be less than containerWidth/Height
- minCropBoxWidth = min(minCropBoxWidth, containerWidth);
- minCropBoxHeight = min(minCropBoxHeight, containerHeight);
- maxCropBoxWidth = min(containerWidth, strict ? canvas.width : containerWidth);
- maxCropBoxHeight = min(containerHeight, strict ? canvas.height : containerHeight);
-
- if (aspectRatio) {
- if (minCropBoxWidth && minCropBoxHeight) {
- if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
- minCropBoxHeight = minCropBoxWidth / aspectRatio;
- } else {
- minCropBoxWidth = minCropBoxHeight * aspectRatio;
- }
- } else if (minCropBoxWidth) {
- minCropBoxHeight = minCropBoxWidth / aspectRatio;
- } else if (minCropBoxHeight) {
- minCropBoxWidth = minCropBoxHeight * aspectRatio;
- }
-
- if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
- maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
- } else {
- maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
- }
- }
-
- // The minWidth/Height must be less than maxWidth/Height
- cropBox.minWidth = min(minCropBoxWidth, maxCropBoxWidth);
- cropBox.minHeight = min(minCropBoxHeight, maxCropBoxHeight);
- cropBox.maxWidth = maxCropBoxWidth;
- cropBox.maxHeight = maxCropBoxHeight;
- }
-
- if (position) {
- if (strict) {
- cropBox.minLeft = max(0, canvas.left);
- cropBox.minTop = max(0, canvas.top);
- cropBox.maxLeft = min(containerWidth, canvas.left + canvas.width) - cropBox.width;
- cropBox.maxTop = min(containerHeight, canvas.top + canvas.height) - cropBox.height;
- } else {
- cropBox.minLeft = 0;
- cropBox.minTop = 0;
- cropBox.maxLeft = containerWidth - cropBox.width;
- cropBox.maxTop = containerHeight - cropBox.height;
- }
- }
- },
-
- renderCropBox: function () {
- var options = this.options;
- var container = this.container;
- var containerWidth = container.width;
- var containerHeight = container.height;
- var cropBox = this.cropBox;
-
- if (cropBox.width > cropBox.maxWidth || cropBox.width < cropBox.minWidth) {
- cropBox.left = cropBox.oldLeft;
- }
-
- if (cropBox.height > cropBox.maxHeight || cropBox.height < cropBox.minHeight) {
- cropBox.top = cropBox.oldTop;
- }
-
- cropBox.width = min(max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
- cropBox.height = min(max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);
-
- this.limitCropBox(false, true);
-
- cropBox.oldLeft = cropBox.left = min(max(cropBox.left, cropBox.minLeft), cropBox.maxLeft);
- cropBox.oldTop = cropBox.top = min(max(cropBox.top, cropBox.minTop), cropBox.maxTop);
-
- if (options.movable && options.cropBoxMovable) {
-
- // Turn to move the canvas when the crop box is equal to the container
- this.$face.data(DATA_ACTION, (cropBox.width === containerWidth && cropBox.height === containerHeight) ? ACTION_MOVE : ACTION_ALL);
- }
-
- this.$cropBox.css({
- width: cropBox.width,
- height: cropBox.height,
- left: cropBox.left,
- top: cropBox.top
- });
-
- if (this.cropped && options.strict) {
- this.limitCanvas(true, true);
- }
-
- if (!this.disabled) {
- this.output();
- }
- },
-
- output: function () {
- this.preview();
-
- if (this.complete) {
- this.trigger(EVENT_CROP, this.getData());
- } else if (!this.built) {
-
- // Only trigger one crop event before complete
- this.$element.one(EVENT_BUILT, $.proxy(function () {
- this.trigger(EVENT_CROP, this.getData());
- }, this));
- }
- }
- });
-
- $.extend(prototype, {
- initPreview: function () {
- var crossOrigin = getCrossOrigin(this.crossOrigin);
- var url = this.url;
-
- this.$preview = $(this.options.preview);
- this.$viewBox.html('<img' + crossOrigin + ' src="' + url + '">');
- this.$preview.each(function () {
- var $this = $(this);
-
- // Save the original size for recover
- $this.data(DATA_PREVIEW, {
- width: $this.width(),
- height: $this.height(),
- original: $this.html()
- });
-
- /**
- * Override img element styles
- * Add `display:block` to avoid margin top issue
- * (Occur only when margin-top <= -height)
- */
- $this.html(
- '<img' + crossOrigin + ' src="' + url + '" style="' +
- 'display:block;width:100%;height:auto;' +
- 'min-width:0!important;min-height:0!important;' +
- 'max-width:none!important;max-height:none!important;' +
- 'image-orientation:0deg!important">'
- );
- });
- },
-
- resetPreview: function () {
- this.$preview.each(function () {
- var $this = $(this);
-
- $this.html($this.data(DATA_PREVIEW).original).removeData(DATA_PREVIEW);
- });
- },
-
- preview: function () {
- var image = this.image;
- var canvas = this.canvas;
- var cropBox = this.cropBox;
- var cropBoxWidth = cropBox.width;
- var cropBoxHeight = cropBox.height;
- var width = image.width;
- var height = image.height;
- var left = cropBox.left - canvas.left - image.left;
- var top = cropBox.top - canvas.top - image.top;
-
- if (!this.cropped || this.disabled) {
- return;
- }
-
- this.$viewBox.find('img').css({
- width: width,
- height: height,
- marginLeft: -left,
- marginTop: -top,
- transform: getTransform(image)
- });
-
- this.$preview.each(function () {
- var $this = $(this);
- var data = $this.data(DATA_PREVIEW);
- var originalWidth = data.width;
- var originalHeight = data.height;
- var newWidth = originalWidth;
- var newHeight = originalHeight;
- var ratio = 1;
-
- if (cropBoxWidth) {
- ratio = originalWidth / cropBoxWidth;
- newHeight = cropBoxHeight * ratio;
- }
-
- if (cropBoxHeight && newHeight > originalHeight) {
- ratio = originalHeight / cropBoxHeight;
- newWidth = cropBoxWidth * ratio;
- newHeight = originalHeight;
- }
-
- $this.width(newWidth).height(newHeight).find('img').css({
- width: width * ratio,
- height: height * ratio,
- marginLeft: -left * ratio,
- marginTop: -top * ratio,
- transform: getTransform(image)
- });
- });
- }
- });
-
- $.extend(prototype, {
- bind: function () {
- var options = this.options;
- var $this = this.$element;
- var $cropper = this.$cropper;
-
- if ($.isFunction(options.cropstart)) {
- $this.on(EVENT_CROP_START, options.cropstart);
- }
-
- if ($.isFunction(options.cropmove)) {
- $this.on(EVENT_CROP_MOVE, options.cropmove);
- }
-
- if ($.isFunction(options.cropend)) {
- $this.on(EVENT_CROP_END, options.cropend);
- }
-
- if ($.isFunction(options.crop)) {
- $this.on(EVENT_CROP, options.crop);
- }
-
- if ($.isFunction(options.zoom)) {
- $this.on(EVENT_ZOOM, options.zoom);
- }
-
- $cropper.on(EVENT_MOUSE_DOWN, $.proxy(this.cropStart, this));
-
- if (options.zoomable && options.mouseWheelZoom) {
- $cropper.on(EVENT_WHEEL, $.proxy(this.wheel, this));
- }
-
- if (options.doubleClickToggle) {
- $cropper.on(EVENT_DBLCLICK, $.proxy(this.dblclick, this));
- }
-
- $document.
- on(EVENT_MOUSE_MOVE, (this._cropMove = proxy(this.cropMove, this))).
- on(EVENT_MOUSE_UP, (this._cropEnd = proxy(this.cropEnd, this)));
-
- if (options.responsive) {
- $window.on(EVENT_RESIZE, (this._resize = proxy(this.resize, this)));
- }
- },
-
- unbind: function () {
- var options = this.options;
- var $this = this.$element;
- var $cropper = this.$cropper;
-
- if ($.isFunction(options.cropstart)) {
- $this.off(EVENT_CROP_START, options.cropstart);
- }
-
- if ($.isFunction(options.cropmove)) {
- $this.off(EVENT_CROP_MOVE, options.cropmove);
- }
-
- if ($.isFunction(options.cropend)) {
- $this.off(EVENT_CROP_END, options.cropend);
- }
-
- if ($.isFunction(options.crop)) {
- $this.off(EVENT_CROP, options.crop);
- }
-
- if ($.isFunction(options.zoom)) {
- $this.off(EVENT_ZOOM, options.zoom);
- }
-
- $cropper.off(EVENT_MOUSE_DOWN, this.cropStart);
-
- if (options.zoomable && options.mouseWheelZoom) {
- $cropper.off(EVENT_WHEEL, this.wheel);
- }
-
- if (options.doubleClickToggle) {
- $cropper.off(EVENT_DBLCLICK, this.dblclick);
- }
-
- $document.
- off(EVENT_MOUSE_MOVE, this._cropMove).
- off(EVENT_MOUSE_UP, this._cropEnd);
-
- if (options.responsive) {
- $window.off(EVENT_RESIZE, this._resize);
- }
- }
- });
-
- $.extend(prototype, {
- resize: function () {
- var $container = this.$container;
- var container = this.container;
- var canvasData;
- var cropBoxData;
- var ratio;
-
- // Check `container` is necessary for IE8
- if (this.disabled || !container) {
- return;
- }
-
- ratio = $container.width() / container.width;
-
- // Resize when width changed or height changed
- if (ratio !== 1 || $container.height() !== container.height) {
- canvasData = this.getCanvasData();
- cropBoxData = this.getCropBoxData();
-
- this.render();
- this.setCanvasData($.each(canvasData, function (i, n) {
- canvasData[i] = n * ratio;
- }));
- this.setCropBoxData($.each(cropBoxData, function (i, n) {
- cropBoxData[i] = n * ratio;
- }));
- }
- },
-
- dblclick: function () {
- if (this.disabled) {
- return;
- }
-
- if (this.$dragBox.hasClass(CLASS_CROP)) {
- this.setDragMode(ACTION_MOVE);
- } else {
- this.setDragMode(ACTION_CROP);
- }
- },
-
- wheel: function (event) {
- var originalEvent = event.originalEvent;
- var e = originalEvent;
- var ratio = num(this.options.wheelZoomRatio) || 0.1;
- var delta = 1;
-
- if (this.disabled) {
- return;
- }
-
- event.preventDefault();
-
- 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, originalEvent);
- },
-
- cropStart: function (event) {
- var options = this.options;
- var originalEvent = event.originalEvent;
- var touches = originalEvent && originalEvent.touches;
- var e = event;
- var touchesLength;
- var action;
-
- if (this.disabled) {
- return;
- }
-
- if (touches) {
- touchesLength = touches.length;
-
- if (touchesLength > 1) {
- if (options.zoomable && options.touchDragZoom && touchesLength === 2) {
- e = touches[1];
- this.startX2 = e.pageX;
- this.startY2 = e.pageY;
- action = ACTION_ZOOM;
- } else {
- return;
- }
- }
-
- e = touches[0];
- }
-
- action = action || $(e.target).data(DATA_ACTION);
-
- if (REGEXP_ACTIONS.test(action)) {
- if (this.trigger(EVENT_CROP_START, {
- originalEvent: originalEvent,
- action: action
- }).isDefaultPrevented()) {
- return;
- }
-
- event.preventDefault();
-
- this.action = action;
- this.cropping = false;
-
- // IE8 has `event.pageX/Y`, but not `event.originalEvent.pageX/Y`
- // IE10 has `event.originalEvent.pageX/Y`, but not `event.pageX/Y`
- this.startX = e.pageX || originalEvent && originalEvent.pageX;
- this.startY = e.pageY || originalEvent && originalEvent.pageY;
-
- if (action === ACTION_CROP) {
- this.cropping = true;
- this.$dragBox.addClass(CLASS_MODAL);
- }
- }
- },
-
- cropMove: function (event) {
- var options = this.options;
- var originalEvent = event.originalEvent;
- var touches = originalEvent && originalEvent.touches;
- var e = event;
- var action = this.action;
- var touchesLength;
-
- if (this.disabled) {
- return;
- }
-
- if (touches) {
- touchesLength = touches.length;
-
- if (touchesLength > 1) {
- if (options.zoomable && options.touchDragZoom && touchesLength === 2) {
- e = touches[1];
- this.endX2 = e.pageX;
- this.endY2 = e.pageY;
- } else {
- return;
- }
- }
-
- e = touches[0];
- }
-
- if (action) {
- if (this.trigger(EVENT_CROP_MOVE, {
- originalEvent: originalEvent,
- action: action
- }).isDefaultPrevented()) {
- return;
- }
-
- event.preventDefault();
-
- this.endX = e.pageX || originalEvent && originalEvent.pageX;
- this.endY = e.pageY || originalEvent && originalEvent.pageY;
-
- this.change(e.shiftKey, action === ACTION_ZOOM ? originalEvent : null);
- }
- },
-
- cropEnd: function (event) {
- var originalEvent = event.originalEvent;
- var action = this.action;
-
- if (this.disabled) {
- return;
- }
-
- if (action) {
- event.preventDefault();
-
- if (this.cropping) {
- this.cropping = false;
- this.$dragBox.toggleClass(CLASS_MODAL, this.cropped && this.options.modal);
- }
-
- this.action = '';
-
- this.trigger(EVENT_CROP_END, {
- originalEvent: originalEvent,
- action: action
- });
- }
- }
- });
-
- $.extend(prototype, {
- change: function (shiftKey, originalEvent) {
- var options = this.options;
- var aspectRatio = options.aspectRatio;
- var action = this.action;
- var container = this.container;
- var canvas = this.canvas;
- var cropBox = this.cropBox;
- var width = cropBox.width;
- var height = cropBox.height;
- var left = cropBox.left;
- var top = cropBox.top;
- var right = left + width;
- var bottom = top + height;
- var minLeft = 0;
- var minTop = 0;
- var maxWidth = container.width;
- var maxHeight = container.height;
- var renderable = true;
- var offset;
- var range;
-
- // Locking aspect ratio in "free mode" by holding shift key (#259)
- if (!aspectRatio && shiftKey) {
- aspectRatio = width && height ? width / height : 1;
- }
-
- if (options.strict) {
- minLeft = cropBox.minLeft;
- minTop = cropBox.minTop;
- maxWidth = minLeft + min(container.width, canvas.width);
- maxHeight = minTop + min(container.height, canvas.height);
- }
-
- range = {
- x: this.endX - this.startX,
- y: this.endY - this.startY
- };
-
- if (aspectRatio) {
- range.X = range.y * aspectRatio;
- range.Y = range.x / aspectRatio;
- }
-
- 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;
- }
-
- width += range.x;
-
- if (aspectRatio) {
- height = width / aspectRatio;
- top -= range.Y / 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;
- }
-
- height -= range.y;
- top += range.y;
-
- if (aspectRatio) {
- width = height * aspectRatio;
- left += range.X / 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;
- }
-
- width -= range.x;
- left += range.x;
-
- if (aspectRatio) {
- height = width / aspectRatio;
- top += range.Y / 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;
- }
-
- height += range.y;
-
- if (aspectRatio) {
- width = height * aspectRatio;
- left -= range.X / 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;
- }
-
- height -= range.y;
- top += range.y;
- width = height * aspectRatio;
- } else {
- 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;
- }
-
- height -= range.y;
- top += range.y;
- width = height * aspectRatio;
- left += range.X;
- } else {
- 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;
- }
-
- width -= range.x;
- left += range.x;
- height = width / aspectRatio;
- } else {
- 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;
- }
-
- width += range.x;
- height = width / aspectRatio;
- } else {
- 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((function (x1, y1, x2, y2) {
- var z1 = sqrt(x1 * x1 + y1 * y1);
- var z2 = sqrt(x2 * x2 + y2 * y2);
-
- return (z2 - z1) / z1;
- })(
- abs(this.startX - this.startX2),
- abs(this.startY - this.startY2),
- abs(this.endX - this.endX2),
- abs(this.endY - this.endY2)
- ), originalEvent);
- this.startX2 = this.endX2;
- this.startY2 = this.endY2;
- renderable = false;
- break;
-
- // Create crop box
- case ACTION_CROP:
- if (range.x && range.y) {
- offset = this.$cropper.offset();
- left = this.startX - offset.left;
- top = this.startY - offset.top;
- width = cropBox.minWidth;
- height = cropBox.minHeight;
-
- if (range.x > 0) {
- if (range.y > 0) {
- action = ACTION_SOUTH_EAST;
- } else {
- action = ACTION_NORTH_EAST;
- top -= height;
- }
- } else {
- if (range.y > 0) {
- action = ACTION_SOUTH_WEST;
- left -= width;
- } else {
- action = ACTION_NORTH_WEST;
- left -= width;
- top -= height;
- }
- }
-
- // Show the crop box if is hidden
- if (!this.cropped) {
- this.cropped = true;
- this.$cropBox.removeClass(CLASS_HIDDEN);
- }
- }
-
- break;
-
- // No default
- }
-
- if (renderable) {
- cropBox.width = width;
- cropBox.height = height;
- cropBox.left = left;
- cropBox.top = top;
- this.action = action;
-
- this.renderCropBox();
- }
-
- // Override
- this.startX = this.endX;
- this.startY = this.endY;
- }
- });
-
- $.extend(prototype, {
-
- // Show the crop box manually
- crop: function () {
- if (!this.built || this.disabled) {
- return;
- }
-
- if (!this.cropped) {
- this.cropped = true;
- this.limitCropBox(true, true);
-
- if (this.options.modal) {
- this.$dragBox.addClass(CLASS_MODAL);
- }
-
- this.$cropBox.removeClass(CLASS_HIDDEN);
- }
-
- this.setCropBoxData(this.initialCropBox);
- },
-
- // Reset the image and crop box to their initial states
- reset: function () {
- if (!this.built || this.disabled) {
- return;
- }
-
- this.image = $.extend({}, this.initialImage);
- this.canvas = $.extend({}, this.initialCanvas);
-
- // Required for strict mode
- this.cropBox = $.extend({}, this.initialCropBox);
-
- this.renderCanvas();
-
- if (this.cropped) {
- this.renderCropBox();
- }
- },
-
- // Clear the crop box
- clear: function () {
- if (!this.cropped || this.disabled) {
- return;
- }
-
- $.extend(this.cropBox, {
- left: 0,
- top: 0,
- width: 0,
- height: 0
- });
-
- this.cropped = false;
- this.renderCropBox();
-
- this.limitCanvas(true, true);
-
- // Render canvas after crop box rendered
- this.renderCanvas();
-
- this.$dragBox.removeClass(CLASS_MODAL);
- this.$cropBox.addClass(CLASS_HIDDEN);
- },
-
- /**
- * Replace the image's src and rebuild the cropper
- *
- * @param {String} url
- */
- replace: function (url) {
- if (!this.disabled && url) {
- if (this.isImg) {
- this.replaced = true;
- this.$element.attr('src', url);
- }
-
- // Clear previous data
- this.options.data = null;
- this.load(url);
- }
- },
-
- // Enable (unfreeze) the cropper
- enable: function () {
- if (this.built) {
- this.disabled = false;
- this.$cropper.removeClass(CLASS_DISABLED);
- }
- },
-
- // Disable (freeze) the cropper
- disable: function () {
- if (this.built) {
- this.disabled = true;
- this.$cropper.addClass(CLASS_DISABLED);
- }
- },
-
- // Destroy the cropper and remove the instance from the image
- destroy: function () {
- var $this = this.$element;
-
- if (this.ready) {
- if (this.isImg && this.replaced) {
- $this.attr('src', this.originalUrl);
- }
-
- this.unbuild();
- $this.removeClass(CLASS_HIDDEN);
- } else {
- if (this.isImg) {
- $this.off(EVENT_LOAD, this.start);
- } else if (this.$clone) {
- this.$clone.remove();
- }
- }
-
- $this.removeData(NAMESPACE);
- },
-
- /**
- * Move the canvas
- *
- * @param {Number} offsetX
- * @param {Number} offsetY (optional)
- */
- move: function (offsetX, offsetY) {
- var canvas = this.canvas;
-
- // If "offsetY" is not present, its default value is "offsetX"
- if (isUndefined(offsetY)) {
- offsetY = offsetX;
- }
-
- offsetX = num(offsetX);
- offsetY = num(offsetY);
-
- if (this.built && !this.disabled && this.options.movable) {
- canvas.left += isNumber(offsetX) ? offsetX : 0;
- canvas.top += isNumber(offsetY) ? offsetY : 0;
- this.renderCanvas(true);
- }
- },
-
- /**
- * Zoom the canvas
- *
- * @param {Number} ratio
- * @param {Event} _originalEvent (private)
- */
- zoom: function (ratio, _originalEvent) {
- var canvas = this.canvas;
- var width;
- var height;
-
- ratio = num(ratio);
-
- if (ratio && this.built && !this.disabled && this.options.zoomable) {
- if (this.trigger(EVENT_ZOOM, {
- originalEvent: _originalEvent,
- ratio: ratio
- }).isDefaultPrevented()) {
- return;
- }
-
- if (ratio < 0) {
- ratio = 1 / (1 - ratio);
- } else {
- ratio = 1 + ratio;
- }
-
- width = canvas.width * ratio;
- height = canvas.height * ratio;
- canvas.left -= (width - canvas.width) / 2;
- canvas.top -= (height - canvas.height) / 2;
- canvas.width = width;
- canvas.height = height;
- this.renderCanvas(true);
- this.setDragMode(ACTION_MOVE);
- }
- },
-
- /**
- * Rotate the canvas
- * https://developer.mozilla.org/en-US/docs/Web/CSS/transform-function#rotate()
- *
- * @param {Number} degree
- */
- rotate: function (degree) {
- var image = this.image;
- var rotate = image.rotate || 0;
-
- degree = num(degree) || 0;
-
- if (this.built && !this.disabled && this.options.rotatable) {
- image.rotate = (rotate + degree) % 360;
- this.rotated = true;
- this.renderCanvas(true);
- }
- },
-
- /**
- * Scale the image
- * https://developer.mozilla.org/en-US/docs/Web/CSS/transform-function#scale()
- *
- * @param {Number} scaleX
- * @param {Number} scaleY (optional)
- */
- scale: function (scaleX, scaleY) {
- var image = this.image;
-
- // If "scaleY" is not present, its default value is "scaleX"
- if (isUndefined(scaleY)) {
- scaleY = scaleX;
- }
-
- scaleX = num(scaleX);
- scaleY = num(scaleY);
-
- if (this.built && !this.disabled && this.options.scalable) {
- image.scaleX = isNumber(scaleX) ? scaleX : 1;
- image.scaleY = isNumber(scaleY) ? scaleY : 1;
- this.renderImage(true);
- }
- },
-
- /**
- * Get the cropped area position and size data (base on the original image)
- *
- * @param {Boolean} rounded (optional)
- * @return {Object} data
- */
- getData: function (rounded) {
- var options = this.options;
- var image = this.image;
- var canvas = this.canvas;
- var cropBox = this.cropBox;
- var ratio;
- var data;
-
- if (this.built && this.cropped) {
- data = {
- x: cropBox.left - canvas.left,
- y: cropBox.top - canvas.top,
- width: cropBox.width,
- height: cropBox.height
- };
-
- ratio = image.width / image.naturalWidth;
-
- $.each(data, function (i, n) {
- n = n / ratio;
- data[i] = rounded ? Math.round(n) : n;
- });
-
- } else {
- data = {
- x: 0,
- y: 0,
- width: 0,
- height: 0
- };
- }
-
- if (options.rotatable) {
- data.rotate = image.rotate || 0;
- }
-
- if (options.scalable) {
- data.scaleX = image.scaleX || 1;
- data.scaleY = image.scaleY || 1;
- }
-
- return data;
- },
-
- /**
- * Set the cropped area position and size with new data
- *
- * @param {Object} data
- */
- setData: function (data) {
- var options = this.options;
- var image = this.image;
- var canvas = this.canvas;
- var cropBoxData = {};
- var rotated;
- var scaled;
- var ratio;
-
- if ($.isFunction(data)) {
- data = data.call(this.element);
- }
-
- if (this.built && !this.disabled && $.isPlainObject(data)) {
- if (options.rotatable) {
- if (isNumber(data.rotate) && data.rotate !== image.rotate) {
- image.rotate = data.rotate;
- this.rotated = rotated = true;
- }
- }
-
- if (options.scalable) {
- if (isNumber(data.scaleX) && data.scaleX !== image.scaleX) {
- image.scaleX = data.scaleX;
- scaled = true;
- }
-
- if (isNumber(data.scaleY) && data.scaleY !== image.scaleY) {
- image.scaleY = data.scaleY;
- scaled = true;
- }
- }
-
- if (rotated) {
- this.renderCanvas();
- } else if (scaled) {
- this.renderImage();
- }
-
- ratio = image.width / image.naturalWidth;
-
- if (isNumber(data.x)) {
- cropBoxData.left = data.x * ratio + canvas.left;
- }
-
- if (isNumber(data.y)) {
- cropBoxData.top = data.y * ratio + canvas.top;
- }
-
- if (isNumber(data.width)) {
- cropBoxData.width = data.width * ratio;
- }
-
- if (isNumber(data.height)) {
- cropBoxData.height = data.height * ratio;
- }
-
- this.setCropBoxData(cropBoxData);
- }
- },
-
- /**
- * Get the container size data
- *
- * @return {Object} data
- */
- getContainerData: function () {
- return this.built ? this.container : {};
- },
-
- /**
- * Get the image position and size data
- *
- * @return {Object} data
- */
- getImageData: function () {
- return this.ready ? this.image : {};
- },
-
- /**
- * Get the canvas position and size data
- *
- * @return {Object} data
- */
- getCanvasData: function () {
- var canvas = this.canvas;
- var data;
-
- if (this.built) {
- data = {
- left: canvas.left,
- top: canvas.top,
- width: canvas.width,
- height: canvas.height
- };
- }
-
- return data || {};
- },
-
- /**
- * Set the canvas position and size with new data
- *
- * @param {Object} data
- */
- setCanvasData: function (data) {
- var canvas = this.canvas;
- var aspectRatio = canvas.aspectRatio;
-
- if ($.isFunction(data)) {
- data = data.call(this.$element);
- }
-
- if (this.built && !this.disabled && $.isPlainObject(data)) {
- if (isNumber(data.left)) {
- canvas.left = data.left;
- }
-
- if (isNumber(data.top)) {
- canvas.top = data.top;
- }
-
- if (isNumber(data.width)) {
- canvas.width = data.width;
- canvas.height = data.width / aspectRatio;
- } else if (isNumber(data.height)) {
- canvas.height = data.height;
- canvas.width = data.height * aspectRatio;
- }
-
- this.renderCanvas(true);
- }
- },
-
- /**
- * Get the crop box position and size data
- *
- * @return {Object} data
- */
- getCropBoxData: function () {
- var cropBox = this.cropBox;
- var data;
-
- if (this.built && this.cropped) {
- data = {
- left: cropBox.left,
- top: cropBox.top,
- width: cropBox.width,
- height: cropBox.height
- };
- }
-
- return data || {};
- },
-
- /**
- * Set the crop box position and size with new data
- *
- * @param {Object} data
- */
- setCropBoxData: function (data) {
- var cropBox = this.cropBox;
- var aspectRatio = this.options.aspectRatio;
- var widthChanged;
- var heightChanged;
-
- if ($.isFunction(data)) {
- data = data.call(this.$element);
- }
-
- if (this.built && this.cropped && !this.disabled && $.isPlainObject(data)) {
-
- if (isNumber(data.left)) {
- cropBox.left = data.left;
- }
-
- if (isNumber(data.top)) {
- cropBox.top = data.top;
- }
-
- if (isNumber(data.width) && data.width !== cropBox.width) {
- widthChanged = true;
- cropBox.width = data.width;
- }
-
- if (isNumber(data.height) && data.height !== cropBox.height) {
- heightChanged = true;
- cropBox.height = data.height;
- }
-
- if (aspectRatio) {
- if (widthChanged) {
- cropBox.height = cropBox.width / aspectRatio;
- } else if (heightChanged) {
- cropBox.width = cropBox.height * aspectRatio;
- }
- }
-
- this.renderCropBox();
- }
- },
-
- /**
- * Get a canvas drawn the cropped image
- *
- * @param {Object} options (optional)
- * @return {HTMLCanvasElement} canvas
- */
- getCroppedCanvas: function (options) {
- var originalWidth;
- var originalHeight;
- var canvasWidth;
- var canvasHeight;
- var scaledWidth;
- var scaledHeight;
- var scaledRatio;
- var aspectRatio;
- var canvas;
- var context;
- var data;
-
- if (!this.built || !this.cropped || !SUPPORT_CANVAS) {
- return;
- }
-
- if (!$.isPlainObject(options)) {
- options = {};
- }
-
- data = this.getData();
- originalWidth = data.width;
- originalHeight = data.height;
- aspectRatio = originalWidth / originalHeight;
-
- if ($.isPlainObject(options)) {
- scaledWidth = options.width;
- scaledHeight = options.height;
-
- if (scaledWidth) {
- scaledHeight = scaledWidth / aspectRatio;
- scaledRatio = scaledWidth / originalWidth;
- } else if (scaledHeight) {
- scaledWidth = scaledHeight * aspectRatio;
- scaledRatio = scaledHeight / originalHeight;
- }
- }
-
- canvasWidth = scaledWidth || originalWidth;
- canvasHeight = scaledHeight || originalHeight;
-
- canvas = $('<canvas>')[0];
- canvas.width = canvasWidth;
- canvas.height = canvasHeight;
- context = canvas.getContext('2d');
-
- if (options.fillColor) {
- context.fillStyle = options.fillColor;
- context.fillRect(0, 0, canvasWidth, canvasHeight);
- }
-
- // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
- context.drawImage.apply(context, (function () {
- var source = getSourceCanvas(this.$clone[0], this.image);
- var sourceWidth = source.width;
- var sourceHeight = source.height;
- var args = [source];
-
- // Source canvas
- var srcX = data.x;
- var srcY = data.y;
- var srcWidth;
- var srcHeight;
-
- // Destination canvas
- var dstX;
- var dstY;
- var dstWidth;
- var dstHeight;
-
- if (srcX <= -originalWidth || srcX > sourceWidth) {
- srcX = srcWidth = dstX = dstWidth = 0;
- } else if (srcX <= 0) {
- dstX = -srcX;
- srcX = 0;
- srcWidth = dstWidth = min(sourceWidth, originalWidth + srcX);
- } else if (srcX <= sourceWidth) {
- dstX = 0;
- srcWidth = dstWidth = min(originalWidth, sourceWidth - srcX);
- }
-
- if (srcWidth <= 0 || srcY <= -originalHeight || srcY > sourceHeight) {
- srcY = srcHeight = dstY = dstHeight = 0;
- } else if (srcY <= 0) {
- dstY = -srcY;
- srcY = 0;
- srcHeight = dstHeight = min(sourceHeight, originalHeight + srcY);
- } else if (srcY <= sourceHeight) {
- dstY = 0;
- srcHeight = dstHeight = min(originalHeight, sourceHeight - srcY);
- }
-
- args.push(srcX, srcY, srcWidth, srcHeight);
-
- // Scale destination sizes
- if (scaledRatio) {
- dstX *= scaledRatio;
- dstY *= scaledRatio;
- dstWidth *= scaledRatio;
- dstHeight *= scaledRatio;
- }
-
- // Avoid "IndexSizeError" in IE and Firefox
- if (dstWidth > 0 && dstHeight > 0) {
- args.push(dstX, dstY, dstWidth, dstHeight);
- }
-
- return args;
- }).call(this));
-
- return canvas;
- },
-
- /**
- * Change the aspect ratio of the crop box
- *
- * @param {Number} aspectRatio
- */
- setAspectRatio: function (aspectRatio) {
- var options = this.options;
-
- if (!this.disabled && !isUndefined(aspectRatio)) {
-
- // 0 -> NaN
- options.aspectRatio = num(aspectRatio) || NaN;
-
- if (this.built) {
- this.initCropBox();
-
- if (this.cropped) {
- this.renderCropBox();
- }
- }
- }
- },
-
- /**
- * Change the drag mode
- *
- * @param {String} mode (optional)
- */
- setDragMode: function (mode) {
- var options = this.options;
- var croppable;
- var movable;
-
- if (this.ready && !this.disabled) {
- croppable = options.dragCrop && mode === ACTION_CROP;
- movable = options.movable && mode === ACTION_MOVE;
- mode = (croppable || movable) ? mode : ACTION_NONE;
-
- this.$dragBox.
- data(DATA_ACTION, mode).
- toggleClass(CLASS_CROP, croppable).
- toggleClass(CLASS_MOVE, movable);
-
- if (!options.cropBoxMovable) {
-
- // Sync drag mode to crop box when it is not movable(#300)
- this.$face.
- data(DATA_ACTION, mode).
- toggleClass(CLASS_CROP, croppable).
- toggleClass(CLASS_MOVE, movable);
- }
- }
- }
- });
-
- $.extend(Cropper.prototype, prototype);
-
- Cropper.DEFAULTS = {
-
- // Define the aspect ratio of the crop box
- aspectRatio: NaN,
-
- // An object with the previous cropping result data
- data: null,
-
- // A jQuery selector for adding extra containers to preview
- preview: '',
-
- // Strict mode, the image cannot zoom out less than the container
- strict: true,
-
- // Rebuild when resize the window
- responsive: true,
-
- // Check if the target image is cross origin
- checkImageOrigin: 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 create new crop box by dragging over the image
- dragCrop: true,
-
- // 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 wheeling mouse
- mouseWheelZoom: true,
-
- // Define zoom ratio when zoom the image by wheeling mouse
- wheelZoomRatio: 0.1,
-
- // Enable to zoom the image by dragging touch
- touchDragZoom: true,
-
- // Enable to move the crop box
- cropBoxMovable: true,
-
- // Enable to resize the crop box
- cropBoxResizable: true,
-
- // Toggle drag mode between "crop" and "move" when double click on the cropper
- doubleClickToggle: true,
-
- // Size limitation
- minCanvasWidth: 0,
- minCanvasHeight: 0,
- minCropBoxWidth: 0,
- minCropBoxHeight: 0,
- minContainerWidth: 200,
- minContainerHeight: 100,
-
- // Shortcuts of events
- build: null,
- built: null,
- cropstart: null,
- cropmove: null,
- cropend: null,
- crop: null,
- zoom: null
- };
-
- Cropper.setDefaults = function (options) {
- $.extend(Cropper.DEFAULTS, options);
- };
-
- Cropper.TEMPLATE = (
- '<div class="cropper-container">' +
- '<div class="cropper-canvas"></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>'
- );
-
- // Save the other cropper
- Cropper.other = $.fn.cropper;
-
- // Register as jQuery plugin
- $.fn.cropper = function (options) {
- var args = toArray(arguments, 1);
- var result;
-
- this.each(function () {
- var $this = $(this);
- var data = $this.data(NAMESPACE);
- var fn;
-
- if (!data) {
- if (/destroy/.test(options)) {
- return;
- }
-
- $this.data(NAMESPACE, (data = new Cropper(this, options)));
- }
-
- if (typeof options === 'string' && $.isFunction(fn = data[options])) {
- result = fn.apply(data, args);
- }
- });
-
- return isUndefined(result) ? this : result;
- };
-
- $.fn.cropper.Constructor = Cropper;
- $.fn.cropper.setDefaults = Cropper.setDefaults;
-
- // No conflict
- $.fn.cropper.noConflict = function () {
- $.fn.cropper = Cropper.other;
- return this;
- };
-
-});
generated by cgit v1.3 (git 2.53.0) at 2026-06-29 21:20:51 +0000