NN2019090901/public/static/weixin/lib/cropper/cropper.js

/*!
 * Cropper v0.9.2
 * https://github.com/fengyuanchen/cropper
 *
 * Copyright (c) 2014-2015 Fengyuan Chen and contributors
 * Released under the MIT license
 *
 * Date: 2015-04-18T04:35:01.500Z
 */

(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';

    var $window = $(window),
        $document = $(document),
        location = window.location,

        // Constants
        CROPPER_NAMESPACE = '.cropper',
        CROPPER_PREVIEW = 'preview' + CROPPER_NAMESPACE,

        // RegExps
        REGEXP_DRAG_TYPES = /^(e|n|w|s|ne|nw|sw|se|all|crop|move|zoom)$/,

        // Classes
        CLASS_MODAL = 'cropper-modal',
        CLASS_HIDE = 'cropper-hide',
        CLASS_HIDDEN = 'cropper-hidden',
        CLASS_INVISIBLE = 'cropper-invisible',
        CLASS_MOVE = 'cropper-move',
        CLASS_CROP = 'cropper-crop',
        CLASS_DISABLED = 'cropper-disabled',
        CLASS_BG = 'cropper-bg',

        // Events
        EVENT_MOUSE_DOWN = 'mousedown touchstart',
        EVENT_MOUSE_MOVE = 'mousemove touchmove',
        EVENT_MOUSE_UP = 'mouseup mouseleave touchend touchleave touchcancel',
        EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll',
        EVENT_DBLCLICK = 'dblclick',
        EVENT_RESIZE = 'resize' + CROPPER_NAMESPACE, // Bind to window with namespace
        EVENT_BUILD = 'build' + CROPPER_NAMESPACE,
        EVENT_BUILT = 'built' + CROPPER_NAMESPACE,
        EVENT_DRAG_START = 'dragstart' + CROPPER_NAMESPACE,
        EVENT_DRAG_MOVE = 'dragmove' + CROPPER_NAMESPACE,
        EVENT_DRAG_END = 'dragend' + CROPPER_NAMESPACE,
        EVENT_ZOOM_IN = 'zoomin' + CROPPER_NAMESPACE,
        EVENT_ZOOM_OUT = 'zoomout' + CROPPER_NAMESPACE,

        // Supports
        SUPPORT_CANVAS = $.isFunction($('<canvas>')[0].getContext),

        // Others
        sqrt = Math.sqrt,
        min = Math.min,
        max = Math.max,
        abs = Math.abs,
        sin = Math.sin,
        cos = Math.cos,
        num = parseFloat,

        // Prototype
        prototype = {};

    function isNumber(n) {
        return typeof n === 'number';
    }

    function isUndefined(n) {
        return typeof n === 'undefined';
    }

    function toArray(obj, offset) {
        var args = [];

        if (isNumber(offset)) { // It's necessary for IE8
            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 inRange(source, target) {
        return target.left < 0 && source.width < (target.left + target.width) && target.top < 0 && source.height < (target.top + target.height);
    }

    function getRotateValue(degree) {
        return degree ? 'rotate(' + degree + 'deg)' : 'none';
    }

    function getRotatedSizes(data, reverse) {
        var deg = abs(data.degree) % 180,
            arc = (deg > 90 ? (180 - deg) : deg) * Math.PI / 180,
            sinArc = sin(arc),
            cosArc = cos(arc),
            width = data.width,
            height = data.height,
            aspectRatio = data.aspectRatio,
            newWidth,
            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],
            context = canvas.getContext('2d');
            context.translate(0.5, 0.5);
        var width = data.naturalWidth,
            height = data.naturalHeight,
            rotate = data.rotate,
            rotated = getRotatedSizes({
                width: width,
                height: height,
                degree: rotate
            });

        if (rotate) {
            canvas.width = rotated.width;
            canvas.height = rotated.height;
            context.save();
            // context.translate(0.5, 0.5);
            context.translate(rotated.width / 2, rotated.height / 2);
            // context.translate(rotated.width / 2, rotated.height / 2);
            context.rotate(rotate * Math.PI / 180);
            context.drawImage(image, -width / 2, -height / 2, width, height);
            context.restore();
        } else {
            canvas.width = width;
            canvas.height = height;
            context.drawImage(image, 0, 0, width, height);
        }

        return canvas;
    }

    function Cropper(element, options) {
        this.$element = $(element);
        this.options = $.extend({}, Cropper.DEFAULTS, $.isPlainObject(options) && options);

        this.ready = false;
        this.built = false;
        this.rotated = false;
        this.cropped = false;
        this.disabled = false;
        this.canvas = null;
        this.cropBox = null;

        this.load();
    }

    prototype.load = function (url) {
        var options = this.options,
            $this = this.$element,
            crossOrigin,
            bustCacheUrl,
            buildEvent,
            $clone;

        if (!url) {
            if ($this.is('img')) {
                if (!$this.attr('src')) {
                    return;
                }

                url = $this.prop('src');
            } else if ($this.is('canvas') && SUPPORT_CANVAS) {
                url = $this[0].toDataURL();
            }
        }

        if (!url) {
            return;
        }

        buildEvent = $.Event(EVENT_BUILD);
        $this.one(EVENT_BUILD, options.build).trigger(buildEvent); // Only trigger once

        if (buildEvent.isDefaultPrevented()) {
            return;
        }

        if (options.checkImageOrigin && isCrossOriginURL(url)) {
            crossOrigin = 'anonymous';

            if (!$this.prop('crossOrigin')) { // Only when there was not a "crossOrigin" property
                bustCacheUrl = addTimestamp(url); // Bust cache (#148)
            }
        }

        this.$clone = $clone = $('<img>');

        $clone.one('load', $.proxy(function () {
            var naturalWidth = $clone.prop('naturalWidth') || $clone.width(),
                naturalHeight = $clone.prop('naturalHeight') || $clone.height();

            this.image = {
                naturalWidth: naturalWidth,
                naturalHeight: naturalHeight,
                aspectRatio: naturalWidth / naturalHeight,
                rotate: 0
            };

            this.url = url;
            this.ready = true;
            this.build();
        }, this)).one('error', function () {
            $clone.remove();
        }).attr({
            src: bustCacheUrl || url,
            crossOrigin: crossOrigin
        });

        // Hide and insert into the document
        $clone.addClass(CLASS_HIDE).insertAfter($this);
    };

    prototype.build = function () {
        var $this = this.$element,
            $clone = this.$clone,
            options = this.options,
            $cropper,
            $cropBox;

        if (!this.ready) {
            return;
        }

        if (this.built) {
            this.unbuild();
        }

        // Create cropper elements
        this.$cropper = $cropper = $(Cropper.TEMPLATE);

        // Hide the original image
        $this.addClass(CLASS_HIDDEN);

        // Show the clone iamge
        $clone.removeClass(CLASS_HIDE);

        this.$container = $this.parent().append($cropper);
        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.addListeners();
        this.initPreview();

        // Format aspect ratio
        options.aspectRatio = num(options.aspectRatio) || NaN; // 0 -> NaN

        if (options.autoCrop) {
            this.cropped = true;

            if (options.modal) {
                this.$dragBox.addClass(CLASS_MODAL);
            }
        } else {
            $cropBox.addClass(CLASS_HIDDEN);
        }

        if (options.background) {
            $cropper.addClass(CLASS_BG);
        }

        if (!options.highlight) {
            $cropBox.find('.cropper-face').addClass(CLASS_INVISIBLE);
        }

        if (!options.guides) {
            $cropBox.find('.cropper-dashed').addClass(CLASS_HIDDEN);
        }

        if (!options.movable) {
            $cropBox.find('.cropper-face').data('drag', 'move');
        }

        if (!options.resizable) {
            $cropBox.find('.cropper-line, .cropper-point').addClass(CLASS_HIDDEN);
        }

        this.setDragMode(options.dragCrop ? 'crop' : 'move');

        this.built = true;
        this.render();
        $this.one(EVENT_BUILT, options.built).trigger(EVENT_BUILT); // Only trigger once
    };

    prototype.unbuild = function () {
        if (!this.built) {
            return;
        }

        this.built = false;
        this.container = null;
        this.canvas = null;
        this.cropBox = null; // This is necessary when replace
        this.removeListeners();

        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 $this = this.$element,
                $container = this.$container,
                $cropper = this.$cropper,
                options = this.options;

            $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);
        },

        // image box (wrapper)
        initCanvas: function () {
            var container = this.container,
                containerWidth = container.width,
                containerHeight = container.height,
                image = this.image,
                aspectRatio = image.aspectRatio,
                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,
                strict = options.strict,
                container = this.container,
                containerWidth = container.width,
                containerHeight = container.height,
                canvas = this.canvas,
                aspectRatio = canvas.aspectRatio,
                cropBox = this.cropBox,
                cropped = this.cropped && cropBox,
                minCanvasWidth,
                minCanvasHeight;

            if (size) {
                minCanvasWidth = num(options.minCanvasWidth) || 0;
                minCanvasHeight = num(options.minCanvasHeight) || 0;

                if (minCanvasWidth) {
                    if (strict) {
                        minCanvasWidth = max(cropped ? cropBox.width : containerWidth, minCanvasWidth);
                    }

                    minCanvasHeight = minCanvasWidth / aspectRatio;
                } else if (minCanvasHeight) {

                    if (strict) {
                        minCanvasHeight = max(cropped ? cropBox.height : containerHeight, minCanvasHeight);
                    }

                    minCanvasWidth = minCanvasHeight * aspectRatio;
                } else if (strict) {
                    if (cropped) {
                        minCanvasWidth = cropBox.width;
                        minCanvasHeight = cropBox.height;

                        if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                            minCanvasWidth = minCanvasHeight * aspectRatio;
                        } else {
                            minCanvasHeight = minCanvasWidth / aspectRatio;
                        }
                    } else {
                        minCanvasWidth = containerWidth;
                        minCanvasHeight = containerHeight;

                        if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                            minCanvasHeight = minCanvasWidth / aspectRatio;
                        } else {
                            minCanvasWidth = minCanvasHeight * aspectRatio;
                        }
                    }
                }

                $.extend(canvas, {
                    minWidth: minCanvasWidth,
                    minHeight: minCanvasHeight,
                    maxWidth: Infinity,
                    maxHeight: Infinity
                });
            }

            if (position) {
                if (strict) {
                    if (cropped) {
                        canvas.minLeft = min(cropBox.left, (cropBox.left + cropBox.width) - canvas.width);
                        canvas.minTop = min(cropBox.top, (cropBox.top + cropBox.height) - canvas.height);
                        canvas.maxLeft = cropBox.left;
                        canvas.maxTop = cropBox.top;
                    } else {
                        canvas.minLeft = min(0, containerWidth - canvas.width);
                        canvas.minTop = min(0, containerHeight - canvas.height);
                        canvas.maxLeft = max(0, containerWidth - canvas.width);
                        canvas.maxTop = 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,
                canvas = this.canvas,
                image = this.image,
                aspectRatio,
                rotated;

            if (this.rotated) {
                this.rotated = false;

                // Computes rotatation 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 && !inRange(this.container, canvas)) {
                this.limitCropBox(true, true);
            }

            if (changed) {
                this.output();
            }
        },

        renderImage: function () {
            var canvas = this.canvas,
                image = this.image,
                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: getRotateValue(image.rotate)
            });
        },

        initCropBox: function () {
            var options = this.options,
                canvas = this.canvas,
                aspectRatio = options.aspectRatio,
                autoCropArea = num(options.autoCropArea) || 0.8,
                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,
                strict = options.strict,
                container = this.container,
                containerWidth = container.width,
                containerHeight = container.height,
                canvas = this.canvas,
                cropBox = this.cropBox,
                aspectRatio = options.aspectRatio,
                minCropBoxWidth,
                minCropBoxHeight;

            if (size) {
                minCropBoxWidth = num(options.minCropBoxWidth) || 0;
                minCropBoxHeight = num(options.minCropBoxHeight) || 0;

                // min/maxCropBoxWidth/Height must less than conatiner width/height
                cropBox.minWidth = min(containerWidth, minCropBoxWidth);
                cropBox.minHeight = min(containerHeight, minCropBoxHeight);
                cropBox.maxWidth = min(containerWidth, strict ? canvas.width : containerWidth);
                cropBox.maxHeight = min(containerHeight, strict ? canvas.height : containerHeight);

                if (aspectRatio) {
                    // compare crop box size with container first
                    if (cropBox.maxHeight * aspectRatio > cropBox.maxWidth) {
                        cropBox.minHeight = cropBox.minWidth / aspectRatio;
                        cropBox.maxHeight = cropBox.maxWidth / aspectRatio;
                    } else {
                        cropBox.minWidth = cropBox.minHeight * aspectRatio;
                        cropBox.maxWidth = cropBox.maxHeight * aspectRatio;
                    }
                }

                // The "minWidth" must be less than "maxWidth", and the "minHeight" too.
                cropBox.minWidth = min(cropBox.maxWidth, cropBox.minWidth);
                cropBox.minHeight = min(cropBox.maxHeight, cropBox.minHeight);
            }

            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,
                container = this.container,
                containerWidth = container.width,
                containerHeight = container.height,
                $cropBox = this.$cropBox,
                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) {
                $cropBox.find('.cropper-face').data('drag', (cropBox.width === containerWidth && cropBox.height === containerHeight) ? 'move' : 'all');
            }

            $cropBox.css({
                width: cropBox.width,
                height: cropBox.height,
                left: cropBox.left,
                top: cropBox.top
            });

            if (this.cropped && options.strict && !inRange(container, this.canvas)) {
                this.limitCanvas(true, true);
            }

            if (!this.disabled) {
                this.output();
            }
        },

        output: function () {
            var options = this.options;

            this.preview();

            if (options.crop) {
                options.crop.call(this.$element, this.getData());
            }
        }
    });

    prototype.initPreview = function () {
        var url = this.url;

        this.$preview = $(this.options.preview);
        this.$viewBox.html('<img src="' + url + '">');

        // Override img element styles
        // Add `display:block` to avoid margin top issue (Occur only when margin-top <= -height)
        this.$preview.each(function () {
            var $this = $(this);

            $this.data(CROPPER_PREVIEW, {
                width: $this.width(),
                height: $this.height(),
                original: $this.html()
            }).html('<img src="' + url + '" style="display:block;width:100%;min-width:0!important;min-height:0!important;max-width:none!important;max-height:none!important;image-orientation: 0deg!important">');
        });
    };

    prototype.resetPreview = function () {
        this.$preview.each(function () {
            var $this = $(this);

            $this.html($this.data(CROPPER_PREVIEW).original).removeData(CROPPER_PREVIEW);
        });
    };

    prototype.preview = function () {
        var image = this.image,
            canvas = this.canvas,
            cropBox = this.cropBox,
            width = image.width,
            height = image.height,
            left = cropBox.left - canvas.left - image.left,
            top = cropBox.top - canvas.top - image.top,
            rotate = image.rotate;

        if (!this.cropped || this.disabled) {
            return;
        }

        this.$viewBox.find('img').css({
            width: width,
            height: height,
            marginLeft: -left,
            marginTop: -top,
            transform: getRotateValue(rotate)
        });

        this.$preview.each(function () {
            var $this = $(this),
                data = $this.data(CROPPER_PREVIEW),
                ratio = data.width / cropBox.width,
                newWidth = data.width,
                newHeight = cropBox.height * ratio;

            if (newHeight > data.height) {
                ratio = data.height / cropBox.height;
                newWidth = cropBox.width * ratio;
                newHeight = data.height;
            }

            $this.width(newWidth).height(newHeight).find('img').css({
                width: width * ratio,
                height: height * ratio,
                marginLeft: -left * ratio,
                marginTop: -top * ratio,
                transform: getRotateValue(rotate)
            });
        });
    };

    prototype.addListeners = function () {
        var options = this.options;

        this.$element.on(EVENT_DRAG_START, options.dragstart).on(EVENT_DRAG_MOVE, options.dragmove).on(EVENT_DRAG_END, options.dragend).on(EVENT_ZOOM_IN, options.zoomin).on(EVENT_ZOOM_OUT, options.zoomout);
        this.$cropper.on(EVENT_MOUSE_DOWN, $.proxy(this.dragstart, this)).on(EVENT_DBLCLICK, $.proxy(this.dblclick, this));

        if (options.zoomable && options.mouseWheelZoom) {
            this.$cropper.on(EVENT_WHEEL, $.proxy(this.wheel, this));
        }

        $document.on(EVENT_MOUSE_MOVE, (this._dragmove = proxy(this.dragmove, this))).on(EVENT_MOUSE_UP, (this._dragend = proxy(this.dragend, this)));

        if (options.responsive) {
            $window.on(EVENT_RESIZE, (this._resize = proxy(this.resize, this)));
        }
    };

    prototype.removeListeners = function () {
        var options = this.options;

        this.$element.off(EVENT_DRAG_START, options.dragstart).off(EVENT_DRAG_MOVE, options.dragmove).off(EVENT_DRAG_END, options.dragend).off(EVENT_ZOOM_IN, options.zoomin).off(EVENT_ZOOM_OUT, options.zoomout);
        this.$cropper.off(EVENT_MOUSE_DOWN, this.dragstart).off(EVENT_DBLCLICK, this.dblclick);

        if (options.zoomable && options.mouseWheelZoom) {
            this.$cropper.off(EVENT_WHEEL, this.wheel);
        }

        $document.off(EVENT_MOUSE_MOVE, this._dragmove).off(EVENT_MOUSE_UP, this._dragend);

        if (options.responsive) {
            $window.off(EVENT_RESIZE, this._resize);
        }
    };

    $.extend(prototype, {
        resize: function () {
            var $container = this.$container,
                container = this.container,
                canvasData,
                cropBoxData,
                ratio;

            if (this.disabled) {
                return;
            }

            ratio = $container.width() / container.width;

            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('move');
            } else {
                this.setDragMode('crop');
            }
        },

        wheel: function (event) {
            var e = event.originalEvent,
                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 * 0.1);
        },

        dragstart: function (event) {
            var options = this.options,
                originalEvent = event.originalEvent,
                touches = originalEvent && originalEvent.touches,
                e = event,
                dragType,
                dragStartEvent,
                touchesLength;

            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;
                        dragType = 'zoom';
                    } else {
                        return;
                    }
                }

                e = touches[0];
            }

            dragType = dragType || $(e.target).data('drag');

            if (REGEXP_DRAG_TYPES.test(dragType)) {
                event.preventDefault();

                dragStartEvent = $.Event(EVENT_DRAG_START, {
                    originalEvent: originalEvent,
                    dragType: dragType
                });

                this.$element.trigger(dragStartEvent);

                if (dragStartEvent.isDefaultPrevented()) {
                    return;
                }

                this.dragType = dragType;
                this.cropping = false;
                this.startX = e.pageX;
                this.startY = e.pageY;

                if (dragType === 'crop') {
                    this.cropping = true;
                    this.$dragBox.addClass(CLASS_MODAL);
                }
            }
        },

        dragmove: function (event) {
            var options = this.options,
                originalEvent = event.originalEvent,
                touches = originalEvent && originalEvent.touches,
                e = event,
                dragType = this.dragType,
                dragMoveEvent,
                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 (dragType) {
                event.preventDefault();

                dragMoveEvent = $.Event(EVENT_DRAG_MOVE, {
                    originalEvent: originalEvent,
                    dragType: dragType
                });

                this.$element.trigger(dragMoveEvent);

                if (dragMoveEvent.isDefaultPrevented()) {
                    return;
                }

                this.endX = e.pageX;
                this.endY = e.pageY;

                this.change();
            }
        },

        dragend: function (event) {
            var dragType = this.dragType,
                dragEndEvent;

            if (this.disabled) {
                return;
            }

            if (dragType) {
                event.preventDefault();

                dragEndEvent = $.Event(EVENT_DRAG_END, {
                    originalEvent: event.originalEvent,
                    dragType: dragType
                });

                this.$element.trigger(dragEndEvent);

                if (dragEndEvent.isDefaultPrevented()) {
                    return;
                }

                if (this.cropping) {
                    this.cropping = false;
                    this.$dragBox.toggleClass(CLASS_MODAL, this.cropped && this.options.modal);
                }

                this.dragType = '';
            }
        }
    });

    $.extend(prototype, {
        reset: function () {
            if (!this.built || this.disabled) {
                return;
            }

            this.image = $.extend({}, this.initialImage);
            this.canvas = $.extend({}, this.initialCanvas);
            this.renderCanvas();

            if (this.cropped) {
                this.cropBox = $.extend({}, this.initialCropBox);
                this.renderCropBox();
            }
        },

        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();
            this.renderCanvas(); // Render canvas after render crop box

            this.$dragBox.removeClass(CLASS_MODAL);
            this.$cropBox.addClass(CLASS_HIDDEN);
        },

        destroy: function () {
            var $this = this.$element;

            if (this.ready) {
                this.unbuild();
                $this.removeClass(CLASS_HIDDEN);
            } else {
                this.$clone.off('load').remove();
            }

            $this.removeData('cropper');
        },

        replace: function (url) {
            if (!this.disabled && url) {
                this.load(url);
            }
        },

        enable: function () {
            if (this.built) {
                this.disabled = false;
                this.$cropper.removeClass(CLASS_DISABLED);
            }
        },

        disable: function () {
            if (this.built) {
                this.disabled = true;
                this.$cropper.addClass(CLASS_DISABLED);
            }
        },

        move: function (offsetX, offsetY) {
            var canvas = this.canvas;

            if (this.built && !this.disabled && isNumber(offsetX) && isNumber(offsetY)) {
                canvas.left += offsetX;
                canvas.top += offsetY;
                this.renderCanvas(true);
            }
        },

        zoom: function (delta) {
            var canvas = this.canvas,
                zoomEvent,
                width,
                height;

            delta = num(delta);

            if (delta && this.built && !this.disabled && this.options.zoomable) {
                zoomEvent = delta > 0 ? $.Event(EVENT_ZOOM_IN) : $.Event(EVENT_ZOOM_OUT);
                this.$element.trigger(zoomEvent);

                if (zoomEvent.isDefaultPrevented()) {
                    return;
                }

                delta = delta <= -1 ? 1 / (1 - delta) : delta <= 1 ? (1 + delta) : delta;
                width = canvas.width * delta;
                height = canvas.height * delta;
                canvas.left -= (width - canvas.width) / 2;
                canvas.top -= (height - canvas.height) / 2;
                canvas.width = width;
                canvas.height = height;
                this.renderCanvas(true);
                this.setDragMode('move');
            }
        },

        rotate: function (degree) {
            var image = this.image;

            degree = num(degree);

            if (degree && this.built && !this.disabled && this.options.rotatable) {
                image.rotate = (image.rotate + degree) % 360;
                this.rotated = true;
                this.renderCanvas(true);
            }
        },

        getData: function () {
            var cropBox = this.cropBox,
                canvas = this.canvas,
                image = this.image,
                ratio,
                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] = n;
                });

            } else {
                data = {
                    x: 0,
                    y: 0,
                    width: 0,
                    height: 0
                };
            }

            data.rotate = image.rotate;

            return data;
        },

        getContainerData: function () {
            return this.built ? this.container : {};
        },

        getImageData: function () {
            return this.ready ? this.image : {};
        },

        getCanvasData: function () {
            var canvas = this.canvas,
                data;

            if (this.built) {
                data = {
                    left: canvas.left,
                    top: canvas.top,
                    width: canvas.width,
                    height: canvas.height
                };
            }

            return data || {};
        },

        setCanvasData: function (data) {
            var canvas = this.canvas,
                aspectRatio = canvas.aspectRatio;

            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);
            }
        },

        getCropBoxData: function () {
            var cropBox = this.cropBox,
                data;

            if (this.built && this.cropped) {
                data = {
                    left: cropBox.left,
                    top: cropBox.top,
                    width: cropBox.width,
                    height: cropBox.height
                };
            }

            return data || {};
        },

        setCropBoxData: function (data) {
            var cropBox = this.cropBox,
                aspectRatio = this.options.aspectRatio;

            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 (aspectRatio) {
                    if (isNumber(data.width)) {
                        cropBox.width = data.width;
                        cropBox.height = cropBox.width / aspectRatio;
                    } else if (isNumber(data.height)) {
                        cropBox.height = data.height;
                        cropBox.width = cropBox.height * aspectRatio;
                    }
                } else {
                    if (isNumber(data.width)) {
                        cropBox.width = data.width;
                    }

                    if (isNumber(data.height)) {
                        cropBox.height = data.height;
                    }
                }

                this.renderCropBox();
            }
        },

        getCroppedCanvas: function (options) {
            var originalWidth,
                originalHeight,
                canvasWidth,
                canvasHeight,
                scaledWidth,
                scaledHeight,
                scaledRatio,
                aspectRatio,
                canvas,
                context,
                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),
                    sourceWidth = source.width,
                    sourceHeight = source.height,
                    args = [source],
                    srcX = data.x, // source canvas
                    srcY = data.y,
                    srcWidth,
                    srcHeight,
                    dstX, // destination canvas
                    dstY,
                    dstWidth,
                    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;
        },

        setAspectRatio: function (aspectRatio) {
            var options = this.options;

            if (!this.disabled && !isUndefined(aspectRatio)) {
                options.aspectRatio = num(aspectRatio) || NaN; // 0 -> NaN

                if (this.built) {
                    this.initCropBox();

                    if (this.cropped) {
                        this.renderCropBox();
                    }
                }
            }
        },

        setDragMode: function (mode) {
            var $dragBox = this.$dragBox,
                cropable = false,
                movable = false;

            if (!this.ready || this.disabled) {
                return;
            }

            switch (mode) {
                case 'crop':
                    if (this.options.dragCrop) {
                        cropable = true;
                        $dragBox.data('drag', mode);
                    } else {
                        movable = true;
                    }

                    break;

                case 'move':
                    movable = true;
                    $dragBox.data('drag', mode);

                    break;

                default:
                    $dragBox.removeData('drag');
            }

            $dragBox.toggleClass(CLASS_CROP, cropable).toggleClass(CLASS_MOVE, movable);
        }
    });

    prototype.change = function () {
        var dragType = this.dragType,
            options = this.options,
            canvas = this.canvas,
            container = this.container,
            cropBox = this.cropBox,
            width = cropBox.width,
            height = cropBox.height,
            left = cropBox.left,
            top = cropBox.top,
            right = left + width,
            bottom = top + height,
            minLeft = 0,
            minTop = 0,
            maxWidth = container.width,
            maxHeight = container.height,
            renderable = true,
            aspectRatio = options.aspectRatio,
            range = {
                x: this.endX - this.startX,
                y: this.endY - this.startY
            },
            offset;

        if (options.strict) {
            minLeft = cropBox.minLeft;
            minTop = cropBox.minTop;
            maxWidth = minLeft + min(container.width, canvas.width);
            maxHeight = minTop + min(container.height, canvas.height);
        }

        if (aspectRatio) {
            range.X = range.y * aspectRatio;
            range.Y = range.x / aspectRatio;
        }

        switch (dragType) {
            // Move cropBox
            case 'all':
                left += range.x;
                top += range.y;
                break;

            // Resize cropBox
            case 'e':
                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) {
                    dragType = 'w';
                    width = 0;
                }

                break;

            case 'n':
                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) {
                    dragType = 's';
                    height = 0;
                }

                break;

            case 'w':
                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) {
                    dragType = 'e';
                    width = 0;
                }

                break;

            case 's':
                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) {
                    dragType = 'n';
                    height = 0;
                }

                break;

            case 'ne':
                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 > 0) {
                            height -= range.y;
                            top += range.y;
                        }
                    } else {
                        height -= range.y;
                        top += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    dragType = 'sw';
                    height = 0;
                    width = 0;
                } else if (width < 0) {
                    dragType = 'nw';
                    width = 0;
                } else if (height < 0) {
                    dragType = 'se';
                    height = 0;
                }

                break;

            case 'nw':
                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 > 0) {
                            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 > 0) {
                            height -= range.y;
                            top += range.y;
                        }
                    } else {
                        height -= range.y;
                        top += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    dragType = 'se';
                    height = 0;
                    width = 0;
                } else if (width < 0) {
                    dragType = 'ne';
                    width = 0;
                } else if (height < 0) {
                    dragType = 'sw';
                    height = 0;
                }

                break;

            case 'sw':
                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 > 0) {
                            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) {
                    dragType = 'ne';
                    height = 0;
                    width = 0;
                } else if (width < 0) {
                    dragType = 'se';
                    width = 0;
                } else if (height < 0) {
                    dragType = 'nw';
                    height = 0;
                }

                break;

            case 'se':
                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) {
                    dragType = 'nw';
                    height = 0;
                    width = 0;
                } else if (width < 0) {
                    dragType = 'sw';
                    width = 0;
                } else if (height < 0) {
                    dragType = 'ne';
                    height = 0;
                }

                break;

            // Move image
            case 'move':
                canvas.left += range.x;
                canvas.top += range.y;
                this.renderCanvas(true);
                renderable = false;
                break;

            // Scale image
            case 'zoom':
                this.zoom(function (x1, y1, x2, y2) {
                    var z1 = sqrt(x1 * x1 + y1 * y1),
                        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)
                ));

                this.startX2 = this.endX2;
                this.startY2 = this.endY2;
                renderable = false;
                break;

            // Crop image
            case '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) {
                            dragType = 'se';
                        } else {
                            dragType = 'ne';
                            top -= height;
                        }
                    } else {
                        if (range.y > 0) {
                            dragType = 'sw';
                            left -= width;
                        } else {
                            dragType = 'nw';
                            left -= width;
                            top -= height;
                        }
                    }

                    // Show the cropBox 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.dragType = dragType;

            this.renderCropBox();
        }

        // Override
        this.startX = this.endX;
        this.startY = this.endY;
    };

    $.extend(Cropper.prototype, prototype);

    Cropper.DEFAULTS = {
        // Defines the aspect ratio of the crop box
        // Type: Number
        aspectRatio: NaN,

        // Defines the percentage of automatic cropping area when initializes
        // Type: Number (Must large than 0 and less than 1)
        autoCropArea: 0.8, // 80%

        // Outputs the cropping results.
        // Type: Function
        crop: null,

        // Add extra containers for previewing
        // Type: String (jQuery selector)
        preview: '',

        // Toggles
        strict: true, // strict mode, the image cannot zoom out less than the container
        responsive: true, // Rebuild when resize the window
        checkImageOrigin: true, // Check if the target image is cross origin

        modal: true, // Show the black modal
        guides: true, // Show the dashed lines for guiding
        highlight: true, // Show the white modal to highlight the crop box
        background: true, // Show the grid background

        autoCrop: true, // Enable to crop the image automatically when initialize
        dragCrop: true, // Enable to create new crop box by dragging over the image
        movable: true, // Enable to move the crop box
        resizable: true, // Enable to resize the crop box
        rotatable: true, // Enable to rotate the image
        zoomable: true, // Enable to zoom the image
        touchDragZoom: true, // Enable to zoom the image by wheeling mouse
        mouseWheelZoom: true, // Enable to zoom the image by dragging touch

        // Dimensions
        minCanvasWidth: 0,
        minCanvasHeight: 0,
        minCropBoxWidth: 0,
        minCropBoxHeight: 0,
        minContainerWidth: 200,
        minContainerHeight: 100,

        // Events
        build: null, // Function
        built: null, // Function
        dragstart: null, // Function
        dragmove: null, // Function
        dragend: null, // Function
        zoomin: null, // Function
        zoomout: null // Function
    };

    Cropper.setDefaults = function (options) {
        $.extend(Cropper.DEFAULTS, options);
    };

    // Use the string compressor: Strmin (https://github.com/fengyuanchen/strmin)
    Cropper.TEMPLATE = (function (source, words) {
        words = words.split(',');
        return source.replace(/\d+/g, function (i) {
            return words[i];
        });
    })('<0 6="5-container"><0 6="5-canvas"></0><0 6="5-2-9" 3-2="move"></0><0 6="5-crop-9"><1 6="5-view-9"></1><1 6="5-8 8-h"></1><1 6="5-8 8-v"></1><1 6="5-face" 3-2="all"></1><1 6="5-7 7-e" 3-2="e"></1><1 6="5-7 7-n" 3-2="n"></1><1 6="5-7 7-w" 3-2="w"></1><1 6="5-7 7-s" 3-2="s"></1><1 6="5-4 4-e" 3-2="e"></1><1 6="5-4 4-n" 3-2="n"></1><1 6="5-4 4-w" 3-2="w"></1><1 6="5-4 4-s" 3-2="s"></1><1 6="5-4 4-ne" 3-2="ne"></1><1 6="5-4 4-nw" 3-2="nw"></1><1 6="5-4 4-sw" 3-2="sw"></1><1 6="5-4 4-se" 3-2="se"></1></0></0>', 'div,span,drag,data,point,cropper,class,line,dashed,box');

    /* Template source:
    <div class="cropper-container">
      <div class="cropper-canvas"></div>
      <div class="cropper-drag-box" data-drag="move"></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-face" data-drag="all"></span>
        <span class="cropper-line line-e" data-drag="e"></span>
        <span class="cropper-line line-n" data-drag="n"></span>
        <span class="cropper-line line-w" data-drag="w"></span>
        <span class="cropper-line line-s" data-drag="s"></span>
        <span class="cropper-point point-e" data-drag="e"></span>
        <span class="cropper-point point-n" data-drag="n"></span>
        <span class="cropper-point point-w" data-drag="w"></span>
        <span class="cropper-point point-s" data-drag="s"></span>
        <span class="cropper-point point-ne" data-drag="ne"></span>
        <span class="cropper-point point-nw" data-drag="nw"></span>
        <span class="cropper-point point-sw" data-drag="sw"></span>
        <span class="cropper-point point-se" data-drag="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),
            result;

        this.each(function () {
            var $this = $(this),
                data = $this.data('cropper'),
                fn;

            if (!data) {
                $this.data('cropper', (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;
    };

});