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Edit File: jquery.Jcrop.js

/*! Jcrop.js v2.0.4 - build: 20151117
 *  @copyright 2008-2015 Tapmodo Interactive LLC
 *  @license Free software under MIT License
 *  @website http://jcrop.org/
 **/
(function($){
  'use strict';

// Jcrop constructor
  var Jcrop = function(element,opt){
    var _ua = navigator.userAgent.toLowerCase();

this.opt = $.extend({},Jcrop.defaults,opt || {});

this.container = $(element);

this.opt.is_msie = /msie/.test(_ua);
    this.opt.is_ie_lt9 = /msie [1-8]\./.test(_ua);

this.container.addClass(this.opt.css_container);

this.ui = {};
    this.state = null;
    this.ui.multi = [];
    this.ui.selection = null;
    this.filter = {};

this.init();
    this.setOptions(opt);
    this.applySizeConstraints();
    this.container.trigger('cropinit',this);
      
    // IE<9 doesn't work if mouse events are attached to window
    if (this.opt.is_ie_lt9)
      this.opt.dragEventTarget = document.body;
  };

// Jcrop static functions
  $.extend(Jcrop,{
    component: { },
    filter: { },
    stage: { },
    registerComponent: function(name,component){
      Jcrop.component[name] = component;
    },
    registerFilter: function(name,filter){
      Jcrop.filter[name] = filter;
    },
    registerStageType: function(name,stage){
      Jcrop.stage[name] = stage;
    },
    // attach: function(element,opt){{{
    attach: function(element,opt){
      var obj = new $.Jcrop(element,opt);
      return obj;
    },
    // }}}
    // imgCopy: function(imgel){{{
    imgCopy: function(imgel){
      var img = new Image;
      img.src = imgel.src;
      return img;
    },
    // }}}
    // imageClone: function(imgel){{{
    imageClone: function(imgel){
      return $.Jcrop.supportsCanvas?
        Jcrop.canvasClone(imgel):
        Jcrop.imgCopy(imgel);
    },
    // }}}
    // canvasClone: function(imgel){{{
    canvasClone: function(imgel){
      var canvas = document.createElement('canvas'),
          ctx = canvas.getContext('2d');

$(canvas).width(imgel.width).height(imgel.height),
      canvas.width = imgel.naturalWidth;
      canvas.height = imgel.naturalHeight;
      ctx.drawImage(imgel,0,0,imgel.naturalWidth,imgel.naturalHeight);
      return canvas;
    },
    // }}}
    // propagate: function(plist,config,obj){{{
    propagate: function(plist,config,obj){
      for(var i=0,l=plist.length;i<l;i++)
        if (config.hasOwnProperty(plist[i]))
          obj[plist[i]] = config[plist[i]];
    },
    // }}}
    // getLargestBox: function(ratio,w,h){{{
    getLargestBox: function(ratio,w,h){
      if ((w/h) > ratio)
        return [ h * ratio, h ];
          else return [ w, w / ratio ];
    },
    // }}}
    // stageConstructor: function(el,options,callback){{{
    stageConstructor: function(el,options,callback){

// Get a priority-ordered list of available stages
      var stages = [];
      $.each(Jcrop.stage,function(i,e){
        stages.push(e);
      });
      stages.sort(function(a,b){ return a.priority - b.priority; });

// Find the first one that supports this element
      for(var i=0,l=stages.length;i<l;i++){
        if (stages[i].isSupported(el,options)){
          stages[i].create(el,options,function(obj,opt){
            if (typeof callback == 'function') callback(obj,opt);
          });
          break;
        }
      }
    },
    // }}}
    // supportsColorFade: function(){{{
    supportsColorFade: function(){
      return $.fx.step.hasOwnProperty('backgroundColor');
    },
    // }}}
    // wrapFromXywh: function(xywh){{{
    wrapFromXywh: function(xywh){
      var b = { x: xywh[0], y: xywh[1], w: xywh[2], h: xywh[3] };
      b.x2 = b.x + b.w;
      b.y2 = b.y + b.h;
      return b;
    }
    // }}}
  });

var AbstractStage = function(){
};

$.extend(AbstractStage,{
  isSupported: function(el,o){
    // @todo: should actually check if it's an HTML element
    return true;
  },
  // A higher priority means less desirable
  // AbstractStage is the last one we want to use
  priority: 100,
  create: function(el,options,callback){
    var obj = new AbstractStage;
    obj.element = el;
    callback.call(this,obj,options);
  },
  prototype: {
    attach: function(core){
      this.init(core);
      core.ui.stage = this;
    },
    triggerEvent: function(ev){
      $(this.element).trigger(ev);
      return this;
    },
    getElement: function(){
      return this.element;
    }
  }
});
Jcrop.registerStageType('Block',AbstractStage);

var ImageStage = function(){
};

ImageStage.prototype = new AbstractStage();

$.extend(ImageStage,{
  isSupported: function(el,o){
    if (el.tagName == 'IMG') return true;
  },
  priority: 90,
  create: function(el,options,callback){
    $.Jcrop.component.ImageLoader.attach(el,function(w,h){
      var obj = new ImageStage;
      obj.element = $(el).wrap('<div />').parent();

obj.element.width(w).height(h);
      obj.imgsrc = el;

if (typeof callback == 'function')
        callback.call(this,obj,options);
    });
  }
});
Jcrop.registerStageType('Image',ImageStage);

var CanvasStage = function(){
  this.angle = 0;
  this.scale = 1;
  this.scaleMin = 0.2;
  this.scaleMax = 1.25;
  this.offset = [0,0];
};

CanvasStage.prototype = new ImageStage();

$.extend(CanvasStage,{
  isSupported: function(el,o){
    if ($.Jcrop.supportsCanvas && (el.tagName == 'IMG')) return true;
  },
  priority: 60,
  create: function(el,options,callback){
    var $el = $(el);
    var opt = $.extend({},options);
    $.Jcrop.component.ImageLoader.attach(el,function(w,h){
      var obj = new CanvasStage;
      $el.hide();
      obj.createCanvas(el,w,h);
      $el.before(obj.element);
      obj.imgsrc = el;
      opt.imgsrc = el;

if (typeof callback == 'function'){
        callback(obj,opt);
        obj.redraw();
      }
    });
  }
});

$.extend(CanvasStage.prototype,{
  init: function(core){
    this.core = core;
  },
  // setOffset: function(x,y) {{{
  setOffset: function(x,y) {
    this.offset = [x,y];
    return this;
  },
  // }}}
  // setAngle: function(v) {{{
  setAngle: function(v) {
    this.angle = v;
    return this;
  },
  // }}}
  // setScale: function(v) {{{
  setScale: function(v) {
    this.scale = this.boundScale(v);
    return this;
  },
  // }}}
  boundScale: function(v){
    if (v<this.scaleMin) v = this.scaleMin;
    else if (v>this.scaleMax) v = this.scaleMax;
    return v;
  },
  createCanvas: function(img,w,h){
    this.width = w;
    this.height = h;
    this.canvas = document.createElement('canvas');
    this.canvas.width = w;
    this.canvas.height = h;
    this.$canvas = $(this.canvas).width('100%').height('100%');
    this.context = this.canvas.getContext('2d');
    this.fillstyle = "rgb(0,0,0)";
    this.element = this.$canvas.wrap('<div />').parent().width(w).height(h);
  },
  triggerEvent: function(ev){
    this.$canvas.trigger(ev);
    return this;
  },
  // clear: function() {{{
  clear: function() {
    this.context.fillStyle = this.fillstyle;
    this.context.fillRect(0, 0, this.canvas.width, this.canvas.height);
    return this;
  },
  // }}}
  // redraw: function() {{{
  redraw: function() {
    // Save the current context
    this.context.save();
    this.clear();

// Translate to the center point of our image
    this.context.translate(parseInt(this.width * 0.5), parseInt(this.height * 0.5));
    // Perform the rotation and scaling
    this.context.translate(this.offset[0]/this.core.opt.xscale,this.offset[1]/this.core.opt.yscale);
    this.context.rotate(this.angle * (Math.PI/180));
    this.context.scale(this.scale,this.scale);
    // Translate back to the top left of our image
    this.context.translate(-parseInt(this.width * 0.5), -parseInt(this.height * 0.5));
    // Finally we draw the image
    this.context.drawImage(this.imgsrc,0,0,this.width,this.height);

// And restore the updated context
    this.context.restore();
    this.$canvas.trigger('cropredraw');
    return this;
  },
  // }}}
  // setFillStyle: function(v) {{{
  setFillStyle: function(v) {
    this.fillstyle = v;
    return this;
  }
  // }}}
});

Jcrop.registerStageType('Canvas',CanvasStage);

/**
   *  BackoffFilter
   *  move out-of-bounds selection into allowed position at same size
   */
  var BackoffFilter = function(){
    this.minw = 40;
    this.minh = 40;
    this.maxw = 0;
    this.maxh = 0;
    this.core = null;
  };
  $.extend(BackoffFilter.prototype,{
    tag: 'backoff',
    priority: 22,
    filter: function(b){
      var r = this.bound;

if (b.x < r.minx) { b.x = r.minx; b.x2 = b.w + b.x; }
      if (b.y < r.miny) { b.y = r.miny; b.y2 = b.h + b.y; }
      if (b.x2 > r.maxx) { b.x2 = r.maxx; b.x = b.x2 - b.w; }
      if (b.y2 > r.maxy) { b.y2 = r.maxy; b.y = b.y2 - b.h; }

return b;
    },
    refresh: function(sel){
      this.elw = sel.core.container.width();
      this.elh = sel.core.container.height();
      this.bound = {
        minx: 0 + sel.edge.w,
        miny: 0 + sel.edge.n,
        maxx: this.elw + sel.edge.e,
        maxy: this.elh + sel.edge.s
      };
    }
  });
  Jcrop.registerFilter('backoff',BackoffFilter);

/**
   *  ConstrainFilter
   *  a filter to constrain crop selection to bounding element
   */
  var ConstrainFilter = function(){
    this.core = null;
  };
  $.extend(ConstrainFilter.prototype,{
    tag: 'constrain',
    priority: 5,
    filter: function(b,ord){
      if (ord == 'move') {
        if (b.x < this.minx) { b.x = this.minx; b.x2 = b.w + b.x; }
        if (b.y < this.miny) { b.y = this.miny; b.y2 = b.h + b.y; }
        if (b.x2 > this.maxx) { b.x2 = this.maxx; b.x = b.x2 - b.w; }
        if (b.y2 > this.maxy) { b.y2 = this.maxy; b.y = b.y2 - b.h; }
      } else {
        if (b.x < this.minx) { b.x = this.minx; }
        if (b.y < this.miny) { b.y = this.miny; }
        if (b.x2 > this.maxx) { b.x2 = this.maxx; }
        if (b.y2 > this.maxy) { b.y2 = this.maxy; }
      }
      b.w = b.x2 - b.x;
      b.h = b.y2 - b.y;
      return b;
    },
    refresh: function(sel){
      this.elw = sel.core.container.width();
      this.elh = sel.core.container.height();
      this.minx = 0 + sel.edge.w;
      this.miny = 0 + sel.edge.n;
      this.maxx = this.elw + sel.edge.e;
      this.maxy = this.elh + sel.edge.s;
    }
  });
  Jcrop.registerFilter('constrain',ConstrainFilter);

/**
   *  ExtentFilter
   *  a filter to implement minimum or maximum size
   */
  var ExtentFilter = function(){
    this.core = null;
  };
  $.extend(ExtentFilter.prototype,{
    tag: 'extent',
    priority: 12,
    offsetFromCorner: function(corner,box,b){
      var w = box[0], h = box[1];
      switch(corner){
        case 'bl': return [ b.x2 - w, b.y, w, h ];
        case 'tl': return [ b.x2 - w , b.y2 - h, w, h ];
        case 'br': return [ b.x, b.y, w, h ];
        case 'tr': return [ b.x, b.y2 - h, w, h ];
      }
    },
    getQuadrant: function(s){
      var relx = s.opposite[0]-s.offsetx
      var rely = s.opposite[1]-s.offsety;

if ((relx < 0) && (rely < 0)) return 'br';
        else if ((relx >= 0) && (rely >= 0)) return 'tl';
        else if ((relx < 0) && (rely >= 0)) return 'tr';
        return 'bl';
    },
    filter: function(b,ord,sel){

if (ord == 'move') return b;

var w = b.w, h = b.h, st = sel.state, r = this.limits;
      var quad = st? this.getQuadrant(st): 'br';

if (r.minw && (w < r.minw)) w = r.minw;
      if (r.minh && (h < r.minh)) h = r.minh;
      if (r.maxw && (w > r.maxw)) w = r.maxw;
      if (r.maxh && (h > r.maxh)) h = r.maxh;

if ((w == b.w) && (h == b.h)) return b;

return Jcrop.wrapFromXywh(this.offsetFromCorner(quad,[w,h],b));
    },
    refresh: function(sel){
      this.elw = sel.core.container.width();
      this.elh = sel.core.container.height();

this.limits = {
        minw: sel.minSize[0],
        minh: sel.minSize[1],
        maxw: sel.maxSize[0],
        maxh: sel.maxSize[1]
      };
    }
  });
  Jcrop.registerFilter('extent',ExtentFilter);

/**
   *  GridFilter
   *  a rudimentary grid effect
   */
  var GridFilter = function(){
    this.stepx = 1;
    this.stepy = 1;
    this.core = null;
  };
  $.extend(GridFilter.prototype,{
    tag: 'grid',
    priority: 19,
    filter: function(b){
      
      var n = {
        x: Math.round(b.x / this.stepx) * this.stepx,
        y: Math.round(b.y / this.stepy) * this.stepy,
        x2: Math.round(b.x2 / this.stepx) * this.stepx,
        y2: Math.round(b.y2 / this.stepy) * this.stepy
      };
      
      n.w = n.x2 - n.x;
      n.h = n.y2 - n.y;

return n;
    }
  });
  Jcrop.registerFilter('grid',GridFilter);

/**
   *  RatioFilter
   *  implements aspectRatio locking
   */
  var RatioFilter = function(){
    this.ratio = 0;
    this.core = null;
  };
  $.extend(RatioFilter.prototype,{
    tag: 'ratio',
    priority: 15,
    offsetFromCorner: function(corner,box,b){
      var w = box[0], h = box[1];
      switch(corner){
        case 'bl': return [ b.x2 - w, b.y, w, h ];
        case 'tl': return [ b.x2 - w , b.y2 - h, w, h ];
        case 'br': return [ b.x, b.y, w, h ];
        case 'tr': return [ b.x, b.y2 - h, w, h ];
      }
    },
    getBoundRatio: function(b,quad){
      var box = Jcrop.getLargestBox(this.ratio,b.w,b.h);
      return Jcrop.wrapFromXywh(this.offsetFromCorner(quad,box,b));
    },
    getQuadrant: function(s){
      var relx = s.opposite[0]-s.offsetx
      var rely = s.opposite[1]-s.offsety;

if (!this.ratio) return b;

var rt = b.w / b.h;
      var st = sel.state;

var quad = st? this.getQuadrant(st): 'br';
      ord = ord || 'se';

if (ord == 'move') return b;

switch(ord) {
        case 'n':
          b.x2 = this.elw;
          b.w = b.x2 - b.x;
          quad = 'tr';
          break;
        case 's':
          b.x2 = this.elw;
          b.w = b.x2 - b.x;
          quad = 'br';
          break;
        case 'e':
          b.y2 = this.elh;
          b.h = b.y2 - b.y;
          quad = 'br';
          break;
        case 'w':
          b.y2 = this.elh;
          b.h = b.y2 - b.y;
          quad = 'bl';
          break;
      }

return this.getBoundRatio(b,quad);
    },
    refresh: function(sel){
      this.ratio = sel.aspectRatio;
      this.elw = sel.core.container.width();
      this.elh = sel.core.container.height();
    }
  });
  Jcrop.registerFilter('ratio',RatioFilter);

/**
   *  RoundFilter
   *  rounds coordinate values to integers
   */
  var RoundFilter = function(){
    this.core = null;
  };
  $.extend(RoundFilter.prototype,{
    tag: 'round',
    priority: 90,
    filter: function(b){
      
      var n = {
        x: Math.round(b.x),
        y: Math.round(b.y),
        x2: Math.round(b.x2),
        y2: Math.round(b.y2)
      };
      
      n.w = n.x2 - n.x;
      n.h = n.y2 - n.y;

return n;
    }
  });
  Jcrop.registerFilter('round',RoundFilter);

/**
   *  ShadeFilter
   *  A filter that implements div-based shading on any element
   *
   *  The shading you see is actually four semi-opaque divs
   *  positioned inside the container, around the selection
   */
  var ShadeFilter = function(opacity,color){
    this.color = color || 'black';
    this.opacity = opacity || 0.5;
    this.core = null;
    this.shades = {};
  };
  $.extend(ShadeFilter.prototype,{
    tag: 'shader',
    fade: true,
    fadeEasing: 'swing',
    fadeSpeed: 320,
    priority: 95,
    init: function(){
      var t = this;

if (!t.attached) {
        t.visible = false;

t.container = $('<div />').addClass(t.core.opt.css_shades)
          .prependTo(this.core.container).hide();

t.elh = this.core.container.height();
        t.elw = this.core.container.width();

t.shades = {
          top: t.createShade(),
          right: t.createShade(),
          left: t.createShade(),
          bottom: t.createShade()
        };

t.attached = true;
      }
    },
    destroy: function(){
      this.container.remove();
    },
    setColor: function(color,instant){
      var t = this;

if (color == t.color) return t;

this.color = color;
      var colorfade = Jcrop.supportsColorFade();
      $.each(t.shades,function(u,i){
        if (!t.fade || instant || !colorfade) i.css('backgroundColor',color);
          else i.animate({backgroundColor:color},{queue:false,duration:t.fadeSpeed,easing:t.fadeEasing});
      });
      return t;
    },
    setOpacity: function(opacity,instant){
      var t = this;

if (opacity == t.opacity) return t;

t.opacity = opacity;
      $.each(t.shades,function(u,i){
        if (!t.fade || instant) i.css({opacity:opacity});
          else i.animate({opacity:opacity},{queue:false,duration:t.fadeSpeed,easing:t.fadeEasing});
      });
      return t;
    },
    createShade: function(){
      return $('<div />').css({
        position: 'absolute',
        backgroundColor: this.color,
        opacity: this.opacity
      }).appendTo(this.container);
    },
    refresh: function(sel){
      var m = this.core, s = this.shades;

this.setColor(sel.bgColor?sel.bgColor:this.core.opt.bgColor);
      this.setOpacity(sel.bgOpacity?sel.bgOpacity:this.core.opt.bgOpacity);
        
      this.elh = m.container.height();
      this.elw = m.container.width();
      s.right.css('height',this.elh+'px');
      s.left.css('height',this.elh+'px');
    },
    filter: function(b,ord,sel){

if (!sel.active) return b;

if (!t.visible) {
        t.container.show();
        t.visible = true;
      }

return b;
    }
  });
  Jcrop.registerFilter('shader',ShadeFilter);

/**
   *  CanvasAnimator
   *  manages smooth cropping animation
   *
   *  This object is called internally to manage animation.
   *  An in-memory div is animated and a progress callback
   *  is used to update the selection coordinates of the
   *  visible selection in realtime.
   */
  var CanvasAnimator = function(stage){
    this.stage = stage;
    this.core = stage.core;
    this.cloneStagePosition();
  };

CanvasAnimator.prototype = {

cloneStagePosition: function(){
      var s = this.stage;
      this.angle = s.angle;
      this.scale = s.scale;
      this.offset = s.offset;
    },

getElement: function(){
      var s = this.stage;

return $('<div />')
        .css({
          position: 'absolute',
          top: s.offset[0]+'px',
          left: s.offset[1]+'px',
          width: s.angle+'px',
          height: s.scale+'px'
        });
    },

animate: function(cb){
      var t = this;

this.scale = this.stage.boundScale(this.scale);
      t.stage.triggerEvent('croprotstart');

t.getElement().animate({
        top: t.offset[0]+'px',
        left: t.offset[1]+'px',
        width: t.angle+'px',
        height: t.scale+'px'
      },{
        easing: t.core.opt.animEasing,
        duration: t.core.opt.animDuration,
        complete: function(){
          t.stage.triggerEvent('croprotend');
          (typeof cb == 'function') && cb.call(this);
        },
        progress: function(anim){
          var props = {}, i, tw = anim.tweens;

for(i=0;i<tw.length;i++){
            props[tw[i].prop] = tw[i].now; }

t.stage.setAngle(props.width)
            .setScale(props.height)
            .setOffset(props.top,props.left)
            .redraw();
        }
      });
    }

};
  Jcrop.stage.Canvas.prototype.getAnimator = function(){
    return new CanvasAnimator(this);
  };
  Jcrop.registerComponent('CanvasAnimator',CanvasAnimator);

/**
   *  CropAnimator
   *  manages smooth cropping animation
   *
   *  This object is called internally to manage animation.
   *  An in-memory div is animated and a progress callback
   *  is used to update the selection coordinates of the
   *  visible selection in realtime.
   */
  // var CropAnimator = function(selection){{{
  var CropAnimator = function(selection){
    this.selection = selection;
    this.core = selection.core;
  };
  // }}}

CropAnimator.prototype = {

getElement: function(){
      var b = this.selection.get();

return $('<div />')
        .css({
          position: 'absolute',
          top: b.y+'px',
          left: b.x+'px',
          width: b.w+'px',
          height: b.h+'px'
        });
    },

animate: function(x,y,w,h,cb){
      var t = this;

t.selection.allowResize(false);

t.getElement().animate({
        top: y+'px',
        left: x+'px',
        width: w+'px',
        height: h+'px'
      },{
        easing: t.core.opt.animEasing,
        duration: t.core.opt.animDuration,
        complete: function(){
          t.selection.allowResize(true);
          cb && cb.call(this);
        },
        progress: function(anim){
          var props = {}, i, tw = anim.tweens;

for(i=0;i<tw.length;i++){
            props[tw[i].prop] = tw[i].now; }

var b = {
            x: parseInt(props.left),
            y: parseInt(props.top),
            w: parseInt(props.width),
            h: parseInt(props.height)
          };

b.x2 = b.x + b.w;
          b.y2 = b.y + b.h;

t.selection.updateRaw(b,'se');
        }
      });
    }

};
  Jcrop.registerComponent('Animator',CropAnimator);

/**
   *  DragState
   *  an object that handles dragging events
   *
   *  This object is used by the built-in selection object to
   *  track a dragging operation on a selection
   */
  // var DragState = function(e,selection,ord){{{
  var DragState = function(e,selection,ord){
    var t = this;

t.x = e.pageX;
    t.y = e.pageY;

t.selection = selection;
    t.eventTarget = selection.core.opt.dragEventTarget;
    t.orig = selection.get();

selection.callFilterFunction('refresh');

var p = selection.core.container.position();
    t.elx = p.left;
    t.ely = p.top;

t.offsetx = 0;
    t.offsety = 0;
    t.ord = ord;
    t.opposite = t.getOppositeCornerOffset();

t.initEvents(e);

};
  // }}}

DragState.prototype = {
    // getOppositeCornerOffset: function(){{{
    // Calculate relative offset of locked corner
    getOppositeCornerOffset: function(){

var o = this.orig;
      var relx = this.x - this.elx - o.x;
      var rely = this.y - this.ely - o.y;

switch(this.ord){
        case 'nw':
        case 'w':
          return [ o.w - relx, o.h - rely ];
          return [ o.x + o.w, o.y + o.h ];

case 'sw':
          return [ o.w - relx, -rely ];
          return [ o.x + o.w, o.y ];

case 'se':
        case 's':
        case 'e':
          return [ -relx, -rely ];
          return [ o.x, o.y ];

case 'ne':
        case 'n':
          return [ -relx, o.h - rely ];
          return [ o.w, o.y + o.h ];
      }

return [ null, null ];
    },
    // }}}
    // initEvents: function(e){{{
    initEvents: function(e){
      $(this.eventTarget)
        .on('mousemove.jcrop',this.createDragHandler())
        .on('mouseup.jcrop',this.createStopHandler());
    },
    // }}}
    // dragEvent: function(e){{{
    dragEvent: function(e){
      this.offsetx = e.pageX - this.x;
      this.offsety = e.pageY - this.y;
      this.selection.updateRaw(this.getBox(),this.ord);
    },
    // }}}
    // endDragEvent: function(e){{{
    endDragEvent: function(e){
      var sel = this.selection;
      sel.core.container.removeClass('jcrop-dragging');
      sel.element.trigger('cropend',[sel,sel.core.unscale(sel.get())]);
      sel.focus();
    },
    // }}}
    // createStopHandler: function(){{{
    createStopHandler: function(){
      var t = this;
      return function(e){
        $(t.eventTarget).off('.jcrop');
        t.endDragEvent(e);
        return false;
      };
    },
    // }}}
    // createDragHandler: function(){{{
    createDragHandler: function(){
      var t = this;
      return function(e){
        t.dragEvent(e);
        return false;
      };
    },
    // }}}
    //update: function(x,y){{{
    update: function(x,y){
      var t = this;
      t.offsetx = x - t.x;
      t.offsety = y - t.y;
    },
    //}}}
    //resultWrap: function(d){{{
    resultWrap: function(d){
      var b = {
          x: Math.min(d[0],d[2]),
          y: Math.min(d[1],d[3]),
          x2: Math.max(d[0],d[2]),
          y2: Math.max(d[1],d[3])
        };

b.w = b.x2 - b.x;
      b.h = b.y2 - b.y;

return b;
    },
    //}}}
    //getBox: function(){{{
    getBox: function(){
      var t = this;
      var o = t.orig;
      var _c = { x2: o.x + o.w, y2: o.y + o.h };
      switch(t.ord){
        case 'n': return t.resultWrap([ o.x, t.offsety + o.y, _c.x2, _c.y2 ]);
        case 's': return t.resultWrap([ o.x, o.y, _c.x2, t.offsety + _c.y2 ]);
        case 'e': return t.resultWrap([ o.x, o.y, t.offsetx + _c.x2, _c.y2 ]);
        case 'w': return t.resultWrap([ o.x + t.offsetx, o.y, _c.x2, _c.y2 ]);
        case 'sw': return t.resultWrap([ t.offsetx + o.x, o.y, _c.x2, t.offsety + _c.y2 ]);
        case 'se': return t.resultWrap([ o.x, o.y, t.offsetx + _c.x2, t.offsety + _c.y2 ]);
        case 'ne': return t.resultWrap([ o.x, t.offsety + o.y, t.offsetx + _c.x2, _c.y2 ]);
        case 'nw': return t.resultWrap([ t.offsetx + o.x, t.offsety + o.y, _c.x2, _c.y2 ]);
        case 'move':
          _c.nx = o.x + t.offsetx;
          _c.ny = o.y + t.offsety;
          return t.resultWrap([ _c.nx, _c.ny, _c.nx + o.w, _c.ny + o.h ]);
      }
    }
    //}}}
  };
  Jcrop.registerComponent('DragState',DragState);

/**
   *  EventManager
   *  provides internal event support
   */
  var EventManager = function(core){
    this.core = core;
  };
  EventManager.prototype = {
      on: function(n,cb){ $(this).on(n,cb); },
      off: function(n){ $(this).off(n); },
      trigger: function(n){ $(this).trigger(n); }
  };
  Jcrop.registerComponent('EventManager',EventManager);

/**
   * Image Loader
   * Reliably pre-loads images
   */
  // var ImageLoader = function(src,element,cb){{{
  var ImageLoader = function(src,element,cb){
    this.src = src;
    if (!element) element = new Image;
    this.element = element;
    this.callback = cb;
    this.load();
  };
  // }}}

$.extend(ImageLoader,{
    // attach: function(el,cb){{{
    attach: function(el,cb){
      return new ImageLoader(el.src,el,cb);
    },
    // }}}
    // prototype: {{{
    prototype: {
      getDimensions: function(){
        var el = this.element;

if (el.naturalWidth)
          return [ el.naturalWidth, el. naturalHeight ];

if (el.width)
          return [ el.width, el.height ];

return null;
      },
      fireCallback: function(){
        this.element.onload = null;
        if (typeof this.callback == 'function')
          this.callback.apply(this,this.getDimensions());
      },
      isLoaded: function(){
        return this.element.complete;
      },
      load: function(){
        var t = this;
        var el = t.element;

el.src = t.src;

if (t.isLoaded()) t.fireCallback();
          else t.element.onload = function(e){
            t.fireCallback();
          };
      }
    }
    // }}}
  });
  Jcrop.registerComponent('ImageLoader',ImageLoader);

/**
   * JcropTouch
   * Detects and enables mobile touch support
   */
  // var JcropTouch = function(core){{{
  var JcropTouch = function(core){
    this.core = core;
    this.init();
  };
  // }}}

$.extend(JcropTouch,{
    // support: function(){{{
    support: function(){
      if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch)
        return true;
    },
    // }}}
    prototype: {
      // init: function(){{{
      init: function(){
        var t = this,
          p = $.Jcrop.component.DragState.prototype;

// A bit of an ugly hack to make sure we modify prototype
        // only once, store a key on the prototype
        if (!p.touch) {
          t.initEvents();
          t.shimDragState();
          t.shimStageDrag();
          p.touch = true;
        }
      },
      // }}}
      // shimDragState: function(){{{
      shimDragState: function(){
        var t = this;
        $.Jcrop.component.DragState.prototype.initEvents = function(e){
          
          // Attach subsequent drag event handlers based on initial
          // event type - avoids collecting "pseudo-mouse" events
          // generated by some mobile browsers in some circumstances
          if (e.type.substr(0,5) == 'touch') {

$(this.eventTarget)
              .on('touchmove.jcrop.jcrop-touch',t.dragWrap(this.createDragHandler()))
              .on('touchend.jcrop.jcrop-touch',this.createStopHandler());

}
          
          // For other events, use the mouse handlers that
          // the default DragState.initEvents() method sets...
          else {

$(this.eventTarget)
              .on('mousemove.jcrop',this.createDragHandler())
              .on('mouseup.jcrop',this.createStopHandler());

}

};
      },
      // }}}
      // shimStageDrag: function(){{{
      shimStageDrag: function(){
        this.core.container
          .addClass('jcrop-touch')
          .on('touchstart.jcrop.jcrop-stage',this.dragWrap(this.core.ui.manager.startDragHandler()));
      },
      // }}}
      // dragWrap: function(cb){{{
      dragWrap: function(cb){
        return function(e){
          e.preventDefault();
          e.stopPropagation();
          if (e.type.substr(0,5) == 'touch') {
            e.pageX = e.originalEvent.changedTouches[0].pageX;
            e.pageY = e.originalEvent.changedTouches[0].pageY;
            return cb(e);
          }
          return false;
        };
      },
      // }}}
      // initEvents: function(){{{
      initEvents: function(){
        var t = this, c = t.core;

c.container.on(
          'touchstart.jcrop.jcrop-touch',
          '.'+c.opt.css_drag,
          t.dragWrap(c.startDrag())
        );
      }
      // }}}
    }
  });
  Jcrop.registerComponent('Touch',JcropTouch);

/**
   *  KeyWatcher
   *  provides keyboard support
   */
  // var KeyWatcher = function(core){{{
  var KeyWatcher = function(core){
    this.core = core;
    this.init();
  };
  // }}}
  $.extend(KeyWatcher,{
    // defaults: {{{
    defaults: {
      eventName: 'keydown.jcrop',
      passthru: [ 9 ],
      debug: false
    },
    // }}}
    prototype: {
      // init: function(){{{
      init: function(){
        $.extend(this,KeyWatcher.defaults);
        this.enable();
      },
      // }}}
      // disable: function(){{{
      disable: function(){
        this.core.container.off(this.eventName);
      },
      // }}}
      // enable: function(){{{
      enable: function(){
        var t = this, m = t.core;
        m.container.on(t.eventName,function(e){
          var nudge = e.shiftKey? 16: 2;

if ($.inArray(e.keyCode,t.passthru) >= 0)
            return true;

switch(e.keyCode){
            case 37: m.nudge(-nudge,0); break;
            case 38: m.nudge(0,-nudge); break;
            case 39: m.nudge(nudge,0); break;
            case 40: m.nudge(0,nudge); break;

case 46:
            case 8:
              m.requestDelete();
              return false;
              break;

default:
              if (t.debug) console.log('keycode: ' + e.keyCode);
              break;
          }

if (!e.metaKey && !e.ctrlKey)
            e.preventDefault();
        });
      }
      // }}}
    }
  });
  Jcrop.registerComponent('Keyboard',KeyWatcher);

/**
   * Selection
   * Built-in selection object
   */
  var Selection = function(){};

$.extend(Selection,{
    // defaults: {{{
    defaults: {
      minSize: [ 8, 8 ],
      maxSize: [ 0, 0 ],
      aspectRatio: 0,
      edge: { n: 0, s: 0, e: 0, w: 0 },
      bgColor: null,
      bgOpacity: null,
      last: null,

state: null,
      active: true,
      linked: true,
      canDelete: true,
      canDrag: true,
      canResize: true,
      canSelect: true
    },
    // }}}
    prototype: {
      // init: function(core){{{
      init: function(core){
        this.core = core;
        this.startup();
        this.linked = this.core.opt.linked;
        this.attach();
        this.setOptions(this.core.opt);
        core.container.trigger('cropcreate',[this]);
      },
      // }}}
      // attach: function(){{{
      attach: function(){
        // For extending init() sequence
      },
      // }}}
      // startup: function(){{{
      startup: function(){
        var t = this, o = t.core.opt;
        $.extend(t,Selection.defaults);
        t.filter = t.core.getDefaultFilters();

t.element = $('<div />').addClass(o.css_selection).data({ selection: t });
        t.frame = $('<button />').addClass(o.css_button).data('ord','move').attr('type','button');
        t.element.append(t.frame).appendTo(t.core.container);

// IE background/draggable hack
        if (t.core.opt.is_msie) t.frame.css({
          opacity: 0,
          backgroundColor: 'white'
        });

t.insertElements();

// Bind focus and blur events for this selection
        t.frame.on('focus.jcrop',function(e){
          t.core.setSelection(t);
          t.element.trigger('cropfocus',t);
          t.element.addClass('jcrop-focus');
        }).on('blur.jcrop',function(e){
          t.element.removeClass('jcrop-focus');
          t.element.trigger('cropblur',t);
        });
      },
      // }}}
      // propagate: [{{{
      propagate: [
        'canDelete', 'canDrag', 'canResize', 'canSelect',
        'minSize', 'maxSize', 'aspectRatio', 'edge'
      ],
      // }}}
      // setOptions: function(opt){{{
      setOptions: function(opt){
        Jcrop.propagate(this.propagate,opt,this);
        this.refresh();
        return this;
      },
      // }}}
      // refresh: function(){{{
      refresh: function(){
        this.allowResize();
        this.allowDrag();
        this.allowSelect();
        this.callFilterFunction('refresh');
        this.updateRaw(this.get(),'se');
      },
      // }}}
      // callFilterFunction: function(f,args){{{
      callFilterFunction: function(f,args){
        for(var i=0;i<this.filter.length;i++)
          if (this.filter[i][f]) this.filter[i][f](this);
        return this;
      },
      // }}}
      //addFilter: function(filter){{{
      addFilter: function(filter){
        filter.core = this.core;
        if (!this.hasFilter(filter)) {
          this.filter.push(filter);
          this.sortFilters();
          if (filter.init) filter.init();
          this.refresh();
        }
      },
      //}}}
      // hasFilter: function(filter){{{
      hasFilter: function(filter){
        var i, f = this.filter, n = [];
        for(i=0;i<f.length;i++) if (f[i] === filter) return true;
      },
      // }}}
      // sortFilters: function(){{{
      sortFilters: function(){
        this.filter.sort(
          function(x,y){ return x.priority - y.priority; }
        );
      },
      // }}}
      //clearFilters: function(){{{
      clearFilters: function(){
        var i, f = this.filter;

for(var i=0;i<f.length;i++)
          if (f[i].destroy) f[i].destroy();

this.filter = [];
      },
      //}}}
      // removeFiltersByTag: function(tag){{{
      removeFilter: function(tag){
        var i, f = this.filter, n = [];

for(var i=0;i<f.length;i++)
          if ((f[i].tag && (f[i].tag == tag)) || (tag === f[i])){
            if (f[i].destroy) f[i].destroy();
          }
          else n.push(f[i]);

this.filter = n;
      },
      // }}}
      // runFilters: function(b,ord){{{
      runFilters: function(b,ord){
        for(var i=0;i<this.filter.length;i++)
          b = this.filter[i].filter(b,ord,this);
        return b;
      },
      // }}}
      //endDrag: function(){{{
      endDrag: function(){
        if (this.state) {
          $(document.body).off('.jcrop');
          this.focus();
          this.state = null;
        }
      },
      //}}}
      // startDrag: function(e,ord){{{
      startDrag: function(e,ord){
        var t = this;
        var m = t.core;

ord = ord || $(e.target).data('ord');

this.focus();

if ((ord == 'move') && t.element.hasClass(t.core.opt.css_nodrag))
          return false;

this.state = new Jcrop.component.DragState(e,this,ord);
        return false;
      },
      // }}}
      // allowSelect: function(v){{{
      allowSelect: function(v){
        if (v === undefined) v = this.canSelect;

if (v && this.canSelect) this.frame.attr('disabled',false);
          else this.frame.attr('disabled','disabled');

return this;
      },
      // }}}
      // allowDrag: function(v){{{
      allowDrag: function(v){
        var t = this, o = t.core.opt;
        if (v == undefined) v = t.canDrag;

if (v && t.canDrag) t.element.removeClass(o.css_nodrag);
          else t.element.addClass(o.css_nodrag);

return this;
      },
      // }}}
      // allowResize: function(v){{{
      allowResize: function(v){
        var t = this, o = t.core.opt;
        if (v == undefined) v = t.canResize;

if (v && t.canResize) t.element.removeClass(o.css_noresize);
          else t.element.addClass(o.css_noresize);

return this;
      },
      // }}}
      // remove: function(){{{
      remove: function(){
        this.element.trigger('cropremove',this);
        this.element.remove();
      },
      // }}}
      // toBack: function(){{{
      toBack: function(){
        this.active = false;
        this.element.removeClass('jcrop-current jcrop-focus');
      },
      // }}}
      // toFront: function(){{{
      toFront: function(){
        this.active = true;
        this.element.addClass('jcrop-current');
        this.callFilterFunction('refresh');
        this.refresh();
      },
      // }}}
      // redraw: function(b){{{
      redraw: function(b){
        this.moveTo(b.x,b.y);
        this.resize(b.w,b.h);
        this.last = b;
        return this;
      },
      // }}}
      // update: function(b,ord){{{
      update: function(b,ord){
        return this.updateRaw(this.core.scale(b),ord);
      },
      // }}}
      // update: function(b,ord){{{
      updateRaw: function(b,ord){
        b = this.runFilters(b,ord);
        this.redraw(b);
        this.element.trigger('cropmove',[this,this.core.unscale(b)]);
        return this;
      },
      // }}}
      // animateTo: function(box,cb){{{
      animateTo: function(box,cb){
        var ca = new Jcrop.component.Animator(this),
            b = this.core.scale(Jcrop.wrapFromXywh(box));

ca.animate(b.x,b.y,b.w,b.h,cb);
      },
      // }}}
      // center: function(instant){{{
      center: function(instant){
        var b = this.get(), m = this.core;
        var elw = m.container.width(), elh = m.container.height();
        var box = [ (elw-b.w)/2, (elh-b.h)/2, b.w, b.h ];
        return this[instant?'setSelect':'animateTo'](box);
      },
      // }}}
      //createElement: function(type,ord){{{
      createElement: function(type,ord){
        return $('<div />').addClass(type+' ord-'+ord).data('ord',ord);
      },
      //}}}
      //moveTo: function(x,y){{{
      moveTo: function(x,y){
        this.element.css({top: y+'px', left: x+'px'});
      },
      //}}}
      // blur: function(){{{
      blur: function(){
        this.element.blur();
        return this;
      },
      // }}}
      // focus: function(){{{
      focus: function(){
        this.core.setSelection(this);
        this.frame.focus();
        return this;
      },
      // }}}
      //resize: function(w,h){{{
      resize: function(w,h){
        this.element.css({width: w+'px', height: h+'px'});
      },
      //}}}
      //get: function(){{{
      get: function(){
        var b = this.element,
          o = b.position(),
          w = b.width(),
          h = b.height(),
          rv = { x: o.left, y: o.top };

rv.x2 = rv.x + w;
        rv.y2 = rv.y + h;
        rv.w = w;
        rv.h = h;

return rv;
      },
      //}}}
      //insertElements: function(){{{
      insertElements: function(){
        var t = this, i,
          m = t.core,
          fr = t.element,
          o = t.core.opt,
          b = o.borders,
          h = o.handles,
          d = o.dragbars;

for(i=0; i<d.length; i++)
          fr.append(t.createElement(o.css_dragbars,d[i]));

for(i=0; i<h.length; i++)
          fr.append(t.createElement(o.css_handles,h[i]));

for(i=0; i<b.length; i++)
          fr.append(t.createElement(o.css_borders,b[i]));
      }
      //}}}
    }
  });
  Jcrop.registerComponent('Selection',Selection);

/**
   * StageDrag
   * Facilitates dragging
   */
  // var StageDrag = function(manager,opt){{{
  var StageDrag = function(manager,opt){
    $.extend(this,StageDrag.defaults,opt || {});
    this.manager = manager;
    this.core = manager.core;
  };
  // }}}
  // StageDrag.defaults = {{{
  StageDrag.defaults = {
    offset: [ -8, -8 ],
    active: true,
    minsize: [ 20, 20 ]
  };
  // }}}

$.extend(StageDrag.prototype,{
    // start: function(e){{{
    start: function(e){
      var c = this.core;

// Do nothing if allowSelect is off
      if (!c.opt.allowSelect) return;

// Also do nothing if we can't draw any more selections
      if (c.opt.multi && c.opt.multiMax && (c.ui.multi.length >= c.opt.multiMax)) return false;

// calculate a few variables for this drag operation
      var o = $(e.currentTarget).offset();
      var origx = e.pageX - o.left + this.offset[0];
      var origy = e.pageY - o.top + this.offset[1];
      var m = c.ui.multi;

// Determine newly dragged crop behavior if multi disabled
      if (!c.opt.multi) {
        // For multiCleaanup true, remove all existing selections
        if (c.opt.multiCleanup){
          for(var i=0;i<m.length;i++) m[i].remove();
          c.ui.multi = [];
        }
        // If not, only remove the currently active selection
        else {
          c.removeSelection(c.ui.selection);
        }
      }

c.container.addClass('jcrop-dragging');

// Create the new selection
      var sel = c.newSelection()
        // and position it
        .updateRaw(Jcrop.wrapFromXywh([origx,origy,1,1]));

sel.element.trigger('cropstart',[sel,this.core.unscale(sel.get())]);
      
      return sel.startDrag(e,'se');
    },
    // }}}
    // end: function(x,y){{{
    end: function(x,y){
      this.drag(x,y);
      var b = this.sel.get();

this.core.container.removeClass('jcrop-dragging');

if ((b.w < this.minsize[0]) || (b.h < this.minsize[1]))
        this.core.requestDelete();

else this.sel.focus();
    }
    // }}}
  });
  Jcrop.registerComponent('StageDrag',StageDrag);

/**
   * StageManager
   * Provides basic stage-specific functionality
   */
  // var StageManager = function(core){{{
  var StageManager = function(core){
    this.core = core;
    this.ui = core.ui;
    this.init();
  };
  // }}}

$.extend(StageManager.prototype,{
    // init: function(){{{
    init: function(){
      this.setupEvents();
      this.dragger = new StageDrag(this);
    },
    // }}}
    // tellConfigUpdate: function(options){{{
    tellConfigUpdate: function(options){
      for(var i=0,m=this.ui.multi,l=m.length;i<l;i++)
        if (m[i].setOptions && (m[i].linked || (this.core.opt.linkCurrent && m[i] == this.ui.selection)))
          m[i].setOptions(options);
    },
    // }}}
    // startDragHandler: function(){{{
    startDragHandler: function(){
      var t = this;
      return function(e){
        if (!e.button || t.core.opt.is_ie_lt9) return t.dragger.start(e);
      };
    },
    // }}}
    // removeEvents: function(){{{
    removeEvents: function(){
      this.core.event.off('.jcrop-stage');
      this.core.container.off('.jcrop-stage');
    },
    // }}}
    // shimLegacyHandlers: function(options){{{
    // This method uses the legacyHandlers configuration object to
    // gracefully wrap old-style Jcrop events with new ones
    shimLegacyHandlers: function(options){
      var _x = {}, core = this.core, tmp;

$.each(core.opt.legacyHandlers,function(k,i){
        if (k in options) {
          tmp = options[k];
          core.container.off('.jcrop-'+k)
            .on(i+'.jcrop.jcrop-'+k,function(e,s,c){
              tmp.call(core,c);
            });
          delete options[k];
        }
      });
    },
    // }}}
    // setupEvents: function(){{{
    setupEvents: function(){
      var t = this, c = t.core;

c.event.on('configupdate.jcrop-stage',function(e){
        t.shimLegacyHandlers(c.opt);
        t.tellConfigUpdate(c.opt)
        c.container.trigger('cropconfig',[c,c.opt]);
      });

this.core.container
        .on('mousedown.jcrop.jcrop-stage',this.startDragHandler());
    }
    // }}}
  });
  Jcrop.registerComponent('StageManager',StageManager);

var Thumbnailer = function(){
  };

$.extend(Thumbnailer,{
    defaults: {
      // Set to a specific Selection object
      // If this value is set, the preview will only track that Selection
      selection: null,

fading: true,
      fadeDelay: 1000,
      fadeDuration: 1000,
      autoHide: false,
      width: 80,
      height: 80,
      _hiding: null
    },

prototype: {
      recopyCanvas: function(){
        var s = this.core.ui.stage, cxt = s.context;
        this.context.putImageData(cxt.getImageData(0,0,s.canvas.width,s.canvas.height),0,0);
      },
      init: function(core,options){
        var t = this;
        this.core = core;
        $.extend(this,Thumbnailer.defaults,options);
        t.initEvents();
        t.refresh();
        t.insertElements();
        if (t.selection) {
          t.renderSelection(t.selection);
          t.selectionTarget = t.selection.element[0];
        } else if (t.core.ui.selection) {
          t.renderSelection(t.core.ui.selection);
        }

if (t.core.ui.stage.canvas) {
          t.context = t.preview[0].getContext('2d');
          t.core.container.on('cropredraw',function(e){
            t.recopyCanvas();
            t.refresh();
          });
        }
      },
      updateImage: function(imgel){
        this.preview.remove();
        this.preview = $($.Jcrop.imageClone(imgel));
        this.element.append(this.preview);
        this.refresh();
        return this;
      },
      insertElements: function(){
        this.preview = $($.Jcrop.imageClone(this.core.ui.stage.imgsrc));

this.element = $('<div />').addClass('jcrop-thumb')
          .width(this.width).height(this.height)
          .append(this.preview)
          .appendTo(this.core.container);
      },
      resize: function(w,h){
        this.width = w;
        this.height = h;
        this.element.width(w).height(h);
        this.renderCoords(this.last);
      },
      refresh: function(){
        this.cw = (this.core.opt.xscale * this.core.container.width());
        this.ch = (this.core.opt.yscale * this.core.container.height());
        if (this.last) {
          this.renderCoords(this.last);
        }
      },
      renderCoords: function(c){
        var rx = this.width / c.w;
        var ry = this.height / c.h;

this.preview.css({
          width: Math.round(rx * this.cw) + 'px',
          height: Math.round(ry * this.ch) + 'px',
          marginLeft: '-' + Math.round(rx * c.x) + 'px',
          marginTop: '-' + Math.round(ry * c.y) + 'px'
        });

this.last = c;
        return this;
      },
      renderSelection: function(s){
        return this.renderCoords(s.core.unscale(s.get()));
      },
      selectionStart: function(s){
        this.renderSelection(s);
      },
      show: function(){
        if (this._hiding) clearTimeout(this._hiding);

if (!this.fading) this.element.stop().css({ opacity: 1 });
        else this.element.stop().animate({ opacity: 1 },{ duration: 80, queue: false });
      },
      hide: function(){
        var t = this;
        if (!t.fading) t.element.hide();
        else t._hiding = setTimeout(function(){
          t._hiding = null;
          t.element.stop().animate({ opacity: 0 },{ duration: t.fadeDuration, queue: false });
        },t.fadeDelay);
      },
      initEvents: function(){
        var t = this;
        t.core.container.on('croprotstart croprotend cropimage cropstart cropmove cropend',function(e,s,c){
          if (t.selectionTarget && (t.selectionTarget !== e.target)) return false;

switch(e.type){

case 'cropimage':
              t.updateImage(c);
              break;

case 'cropstart':
              t.selectionStart(s);
            case 'croprotstart':
              t.show();
              break;

case 'cropend':
              t.renderCoords(c);
            case 'croprotend':
              if (t.autoHide) t.hide();
              break;

case 'cropmove':
              t.renderCoords(c);
              break;
          }
        });
      }
    }
  });
  Jcrop.registerComponent('Thumbnailer',Thumbnailer);

/**
   * DialDrag component
   * This is a little hacky, it was adapted from some previous/old code
   * Plan to update this API in the future
   */
  var DialDrag = function() { };

DialDrag.prototype = {

init: function(core,actuator,callback){
      var that = this;

if (!actuator) actuator = core.container;
      this.$btn = $(actuator);
      this.$targ = $(actuator);
      this.core = core;

this.$btn
        .addClass('dialdrag')
        .on('mousedown.dialdrag',this.mousedown())
        .data('dialdrag',this);

if (!$.isFunction(callback)) callback = function(){ };
      this.callback = callback;
      this.ondone = callback;
    },

remove: function(){
      this.$btn
        .removeClass('dialdrag')
        .off('.dialdrag')
        .data('dialdrag',null);
      return this;
    },

setTarget: function(obj){
      this.$targ = $(obj);
      return this;
    },

getOffset: function(){
      var targ = this.$targ, pos = targ.offset();
      return [
        pos.left + (targ.width()/2),
        pos.top + (targ.height()/2)
      ];
    },

relMouse: function(e){
      var x = e.pageX - this.offset[0],
          y = e.pageY - this.offset[1],
          ang = Math.atan2(y,x) * (180 / Math.PI),
          vec = Math.sqrt(Math.pow(x,2)+Math.pow(y,2));
      return [ x, y, ang, vec ];
    },

mousedown: function(){
      var that = this;

function mouseUp(e){
        $(window).off('.dialdrag');
        that.ondone.call(that,that.relMouse(e));
        that.core.container.trigger('croprotend');
      }

function mouseMove(e){
        that.callback.call(that,that.relMouse(e));
      }

return function(e) {
        that.offset = that.getOffset();
        var rel = that.relMouse(e);
        that.angleOffset = -that.core.ui.stage.angle+rel[2];
        that.distOffset = rel[3];
        that.dragOffset = [rel[0],rel[1]];
        that.core.container.trigger('croprotstart');

$(window)
          .on('mousemove.dialdrag',mouseMove)
          .on('mouseup.dialdrag',mouseUp);

that.callback.call(that,that.relMouse(e));

return false;
      };
    }
    
  };
  Jcrop.registerComponent('DialDrag',DialDrag);

/////////////////////////////////
    // DEFAULT SETTINGS

Jcrop.defaults = {

// Selection Behavior
      edge: { n: 0, s: 0, e: 0, w: 0 },
      setSelect: null,
      linked: true,
      linkCurrent: true,
      canDelete: true,
      canSelect: true,
      canDrag: true,
      canResize: true,

// Component constructors
      eventManagerComponent:  Jcrop.component.EventManager,
      keyboardComponent:      Jcrop.component.Keyboard,
      dragstateComponent:     Jcrop.component.DragState,
      stagemanagerComponent:  Jcrop.component.StageManager,
      animatorComponent:      Jcrop.component.Animator,
      selectionComponent:     Jcrop.component.Selection,

// This is a function that is called, which returns a stage object
      stageConstructor:       Jcrop.stageConstructor,

// Stage Behavior
      allowSelect: true,
      multi: false,
      multiMax: false,
      multiCleanup: true,
      animation: true,
      animEasing: 'swing',
      animDuration: 400,
      fading: true,
      fadeDuration: 300,
      fadeEasing: 'swing',
      bgColor: 'black',
      bgOpacity: .5,

// Startup options
      applyFilters: [ 'constrain', 'extent', 'backoff', 'ratio', 'shader', 'round' ],
      borders:  [ 'e', 'w', 's', 'n' ],
      handles:  [ 'n', 's', 'e', 'w', 'sw', 'ne', 'nw', 'se' ],
      dragbars: [ 'n', 'e', 'w', 's' ],

dragEventTarget: window,

xscale: 1,
      yscale: 1,

boxWidth: null,
      boxHeight: null,

// CSS Classes
      // @todo: These need to be moved to top-level object keys
      // for better customization. Currently if you try to extend one
      // via an options object to Jcrop, it will wipe out all
      // the others you don't specify. Be careful for now!
      css_nodrag: 'jcrop-nodrag',
      css_drag: 'jcrop-drag',
      css_container: 'jcrop-active',
      css_shades: 'jcrop-shades',
      css_selection: 'jcrop-selection',
      css_borders: 'jcrop-border',
      css_handles: 'jcrop-handle jcrop-drag',
      css_button: 'jcrop-box jcrop-drag',
      css_noresize: 'jcrop-noresize',
      css_dragbars: 'jcrop-dragbar jcrop-drag',

legacyHandlers: {
        onChange: 'cropmove',
        onSelect: 'cropend'
      }

};

// Jcrop API methods
  $.extend(Jcrop.prototype,{
    //init: function(){{{
    init: function(){
      this.event = new this.opt.eventManagerComponent(this);
      this.ui.keyboard = new this.opt.keyboardComponent(this);
      this.ui.manager = new this.opt.stagemanagerComponent(this);
      this.applyFilters();

if ($.Jcrop.supportsTouch)
        new $.Jcrop.component.Touch(this);

this.initEvents();
    },
    //}}}
    // applySizeConstraints: function(){{{
    applySizeConstraints: function(){
      var o = this.opt,
          img = this.opt.imgsrc;

if (img){

var iw = img.naturalWidth || img.width,
            ih = img.naturalHeight || img.height,
            bw = o.boxWidth || iw,
            bh = o.boxHeight || ih;

if (img && ((iw > bw) || (ih > bh))){
          var bx = Jcrop.getLargestBox(iw/ih,bw,bh);
          $(img).width(bx[0]).height(bx[1]);
          this.resizeContainer(bx[0],bx[1]);
          this.opt.xscale = iw / bx[0];
          this.opt.yscale = ih / bx[1];
        }
          
      }

if (this.opt.trueSize){
        var dw = this.opt.trueSize[0];
        var dh = this.opt.trueSize[1];
        var cs = this.getContainerSize();
        this.opt.xscale = dw / cs[0];
        this.opt.yscale = dh / cs[1];
      }
    },
    // }}}
    initComponent: function(name){
      if (Jcrop.component[name]) {
        var args = Array.prototype.slice.call(arguments);
        var obj = new Jcrop.component[name];
        args.shift();
        args.unshift(this);
        obj.init.apply(obj,args);
        return obj;
      }
    },
    // setOptions: function(opt){{{
    setOptions: function(opt,proptype){

if (!$.isPlainObject(opt)) opt = {};

$.extend(this.opt,opt);

// Handle a setSelect value
      if (this.opt.setSelect) {

// If there is no current selection
        // passing setSelect will create one
        if (!this.ui.multi.length)
          this.newSelection();

// Use these values to update the current selection
        this.setSelect(this.opt.setSelect);

// Set to null so it doesn't get called again
        this.opt.setSelect = null;
      }

this.event.trigger('configupdate');
      return this;
    },
    // }}}
    //destroy: function(){{{
    destroy: function(){
      if (this.opt.imgsrc) {
        this.container.before(this.opt.imgsrc);
        this.container.remove();
        $(this.opt.imgsrc).removeData('Jcrop').show();
      } else {
        // @todo: more elegant destroy() process for non-image containers
        this.container.remove();
      }
    },
    // }}}
    // applyFilters: function(){{{
    applyFilters: function(){
      var obj;
      for(var i=0,f=this.opt.applyFilters,l=f.length; i<l; i++){
        if ($.Jcrop.filter[f[i]])
          obj = new $.Jcrop.filter[f[i]];
          obj.core = this;
          if (obj.init) obj.init();
          this.filter[f[i]] = obj;
      }
    },
    // }}}
    // getDefaultFilters: function(){{{
    getDefaultFilters: function(){
      var rv = [];

for(var i=0,f=this.opt.applyFilters,l=f.length; i<l; i++)
        if(this.filter.hasOwnProperty(f[i]))
          rv.push(this.filter[f[i]]);

rv.sort(function(x,y){ return x.priority - y.priority; });
      return rv;
    },
    // }}}
    // setSelection: function(sel){{{
    setSelection: function(sel){
      var m = this.ui.multi;
      var n = [];
      for(var i=0;i<m.length;i++) {
        if (m[i] !== sel) n.push(m[i]);
        m[i].toBack();
      }
      n.unshift(sel);
      this.ui.multi = n;
      this.ui.selection = sel;
      sel.toFront();
      return sel;
    },
    // }}}
    // getSelection: function(raw){{{
    getSelection: function(raw){
      var b = this.ui.selection.get();
      return b;
    },
    // }}}
    // newSelection: function(){{{
    newSelection: function(sel){
      if (!sel)
        sel = new this.opt.selectionComponent();

sel.init(this);
      this.setSelection(sel);

return sel;
    },
    // }}}
    // hasSelection: function(sel){{{
    hasSelection: function(sel){
      for(var i=0;i<this.ui.multi;i++)
        if (sel === this.ui.multi[i]) return true;
    },
    // }}}
    // removeSelection: function(sel){{{
    removeSelection: function(sel){
      var i, n = [], m = this.ui.multi;
      for(var i=0;i<m.length;i++){
        if (sel !== m[i])
          n.push(m[i]);
        else m[i].remove();
      }
      return this.ui.multi = n;
    },
    // }}}
    //addFilter: function(filter){{{
    addFilter: function(filter){
      for(var i=0,m=this.ui.multi,l=m.length; i<l; i++)
        m[i].addFilter(filter);

return this;
    },
    //}}}
    // removeFiltersByTag: function(tag){{{
    removeFilter: function(filter){
      for(var i=0,m=this.ui.multi,l=m.length; i<l; i++)
        m[i].removeFilter(filter);

return this;
    },
    // }}}
    // blur: function(){{{
    blur: function(){
      this.ui.selection.blur();
      return this;
    },
    // }}}
    // focus: function(){{{
    focus: function(){
      this.ui.selection.focus();
      return this;
    },
    // }}}
    //initEvents: function(){{{
    initEvents: function(){
      var t = this;
      t.container.on('selectstart',function(e){ return false; })
        .on('mousedown','.'+t.opt.css_drag,t.startDrag());
    },
    //}}}
    // maxSelect: function(){{{
    maxSelect: function(){
      this.setSelect([0,0,this.elw,this.elh]);
    },
    // }}}
    // nudge: function(x,y){{{
    nudge: function(x,y){
      var s = this.ui.selection, b = s.get();

b.x += x;
      b.x2 += x;
      b.y += y;
      b.y2 += y;

if (b.x < 0) { b.x2 = b.w; b.x = 0; }
        else if (b.x2 > this.elw) { b.x2 = this.elw; b.x = b.x2 - b.w; }

if (b.y < 0) { b.y2 = b.h; b.y = 0; }
        else if (b.y2 > this.elh) { b.y2 = this.elh; b.y = b.y2 - b.h; }
      
      s.element.trigger('cropstart',[s,this.unscale(b)]);
      s.updateRaw(b,'move');
      s.element.trigger('cropend',[s,this.unscale(b)]);
    },
    // }}}
    // refresh: function(){{{
    refresh: function(){
      for(var i=0,s=this.ui.multi,l=s.length;i<l;i++)
        s[i].refresh();
    },
    // }}}
    // blurAll: function(){{{
    blurAll: function(){
      var m = this.ui.multi;
      for(var i=0;i<m.length;i++) {
        if (m[i] !== sel) n.push(m[i]);
        m[i].toBack();
      }
    },
    // }}}
    // scale: function(b){{{
    scale: function(b){
      var xs = this.opt.xscale,
          ys = this.opt.yscale;

return {
        x: b.x / xs,
        y: b.y / ys,
        x2: b.x2 / xs,
        y2: b.y2 / ys,
        w: b.w / xs,
        h: b.h / ys
      };
    },
    // }}}
    // unscale: function(b){{{
    unscale: function(b){
      var xs = this.opt.xscale,
          ys = this.opt.yscale;

return {
        x: b.x * xs,
        y: b.y * ys,
        x2: b.x2 * xs,
        y2: b.y2 * ys,
        w: b.w * xs,
        h: b.h * ys
      };
    },
    // }}}
    // requestDelete: function(){{{
    requestDelete: function(){
      if ((this.ui.multi.length > 1) && (this.ui.selection.canDelete))
        return this.deleteSelection();
    },
    // }}}
    // deleteSelection: function(){{{
    deleteSelection: function(){
      if (this.ui.selection) {
        this.removeSelection(this.ui.selection);
        if (this.ui.multi.length) this.ui.multi[0].focus();
        this.ui.selection.refresh();
      }
    },
    // }}}
    // animateTo: function(box){{{
    animateTo: function(box){
      if (this.ui.selection)
        this.ui.selection.animateTo(box);
      return this;
    },
    // }}}
    // setselect: function(box){{{
    setSelect: function(box){
      if (this.ui.selection)
        this.ui.selection.update(Jcrop.wrapFromXywh(box));
      return this;
    },
    // }}}
    //startDrag: function(){{{
    startDrag: function(){
      var t = this;
      return function(e){
        var $targ = $(e.target);
        var selection = $targ.closest('.'+t.opt.css_selection).data('selection');
        var ord = $targ.data('ord');
        t.container.trigger('cropstart',[selection,t.unscale(selection.get())]);
        selection.startDrag(e,ord);
        return false;
      };
    },
    //}}}
    // getContainerSize: function(){{{
    getContainerSize: function(){
      return [ this.container.width(), this.container.height() ];
    },
    // }}}
    // resizeContainer: function(w,h){{{
    resizeContainer: function(w,h){
      this.container.width(w).height(h);
      this.refresh();
    },
    // }}}
    // setImage: function(src,cb){{{
    setImage: function(src,cb){
      var t = this, targ = t.opt.imgsrc;

if (!targ) return false;

new $.Jcrop.component.ImageLoader(src,null,function(w,h){
        t.resizeContainer(w,h);

targ.src = src;
        $(targ).width(w).height(h);
        t.applySizeConstraints();
        t.refresh();
        t.container.trigger('cropimage',[t,targ]);

if (typeof cb == 'function')
          cb.call(t,w,h);
      });
    },
    // }}}
    // update: function(b){{{
    update: function(b){
      if (this.ui.selection)
        this.ui.selection.update(b);
    }
    // }}}
  });

// Jcrop jQuery plugin function
  $.fn.Jcrop = function(options,callback){
    options = options || {};

var first = this.eq(0).data('Jcrop');
    var args = Array.prototype.slice.call(arguments);

// Return API if requested
    if (options == 'api') { return first; }

// Allow calling API methods (with arguments)
    else if (first && (typeof options == 'string')) {

// Call method if it exists
      if (first[options]) {
        args.shift();
        first[options].apply(first,args);
        return first;
      }

// Unknown input/method does not exist
      return false;
    }

// Otherwise, loop over selected elements
    this.each(function(){
      var t = this, $t = $(this);
      var exists = $t.data('Jcrop');
      var obj;

// If Jcrop already exists on this element only setOptions()
      if (exists)
        exists.setOptions(options);

else {

if (!options.stageConstructor)
          options.stageConstructor = $.Jcrop.stageConstructor;

options.stageConstructor(this,options,function(stage,options){
          var selection = options.setSelect;
          if (selection) delete(options.setSelect);

var obj = $.Jcrop.attach(stage.element,options);

if (typeof stage.attach == 'function')
            stage.attach(obj);

$t.data('Jcrop',obj);

if (selection) {
            obj.newSelection();
            obj.setSelect(selection);
          }

if (typeof callback == 'function')
            callback.call(obj);
        });
      }

return this;
    });
  };

/* Modernizr 2.7.1 (Custom Build) | MIT & BSD
 * Build: http://modernizr.com/download/#-csstransforms-canvas-canvastext-draganddrop-inlinesvg-svg-svgclippaths-touch-teststyles-testprop-testallprops-hasevent-prefixes-domprefixes-url_data_uri
 */
;

var Modernizr = (function( window, document, undefined ) {

var version = '2.7.1',

Modernizr = {},

docElement = document.documentElement,

mod = 'modernizr',
    modElem = document.createElement(mod),
    mStyle = modElem.style,

inputElem  ,

toString = {}.toString,

prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),

omPrefixes = 'Webkit Moz O ms',

cssomPrefixes = omPrefixes.split(' '),

domPrefixes = omPrefixes.toLowerCase().split(' '),

ns = {'svg': 'http://www.w3.org/2000/svg'},

tests = {},
    inputs = {},
    attrs = {},

classes = [],

slice = classes.slice,

featureName,

injectElementWithStyles = function( rule, callback, nodes, testnames ) {

var style, ret, node, docOverflow,
          div = document.createElement('div'),
                body = document.body,
                fakeBody = body || document.createElement('body');

if ( parseInt(nodes, 10) ) {
                      while ( nodes-- ) {
              node = document.createElement('div');
              node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
              div.appendChild(node);
          }
      }

style = ['&#173;','<style id="s', mod, '">', rule, '</style>'].join('');
      div.id = mod;
          (body ? div : fakeBody).innerHTML += style;
      fakeBody.appendChild(div);
      if ( !body ) {
                fakeBody.style.background = '';
                fakeBody.style.overflow = 'hidden';
          docOverflow = docElement.style.overflow;
          docElement.style.overflow = 'hidden';
          docElement.appendChild(fakeBody);
      }

ret = callback(div, rule);
        if ( !body ) {
          fakeBody.parentNode.removeChild(fakeBody);
          docElement.style.overflow = docOverflow;
      } else {
          div.parentNode.removeChild(div);
      }

return !!ret;

isEventSupported = (function() {

var TAGNAMES = {
        'select': 'input', 'change': 'input',
        'submit': 'form', 'reset': 'form',
        'error': 'img', 'load': 'img', 'abort': 'img'
      };

function isEventSupported( eventName, element ) {

element = element || document.createElement(TAGNAMES[eventName] || 'div');
        eventName = 'on' + eventName;

var isSupported = eventName in element;

if ( !isSupported ) {
                if ( !element.setAttribute ) {
            element = document.createElement('div');
          }
          if ( element.setAttribute && element.removeAttribute ) {
            element.setAttribute(eventName, '');
            isSupported = is(element[eventName], 'function');

if ( !is(element[eventName], 'undefined') ) {
              element[eventName] = undefined;
            }
            element.removeAttribute(eventName);
          }
        }

element = null;
        return isSupported;
      }
      return isEventSupported;
    })(),

_hasOwnProperty = ({}).hasOwnProperty, hasOwnProp;

if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) {
      hasOwnProp = function (object, property) {
        return _hasOwnProperty.call(object, property);
      };
    }
    else {
      hasOwnProp = function (object, property) { 
        return ((property in object) && is(object.constructor.prototype[property], 'undefined'));
      };
    }

if (!Function.prototype.bind) {
      Function.prototype.bind = function bind(that) {

var target = this;

if (typeof target != "function") {
            throw new TypeError();
        }

var args = slice.call(arguments, 1),
            bound = function () {

if (this instanceof bound) {

var F = function(){};
              F.prototype = target.prototype;
              var self = new F();

var result = target.apply(
                  self,
                  args.concat(slice.call(arguments))
              );
              if (Object(result) === result) {
                  return result;
              }
              return self;

} else {

return target.apply(
                  that,
                  args.concat(slice.call(arguments))
              );

}

};

return bound;
      };
    }

function setCss( str ) {
        mStyle.cssText = str;
    }

function setCssAll( str1, str2 ) {
        return setCss(prefixes.join(str1 + ';') + ( str2 || '' ));
    }

function is( obj, type ) {
        return typeof obj === type;
    }

function contains( str, substr ) {
        return !!~('' + str).indexOf(substr);
    }

function testDOMProps( props, obj, elem ) {
        for ( var i in props ) {
            var item = obj[props[i]];
            if ( item !== undefined) {

if (elem === false) return props[i];

if (is(item, 'function')){
                                return item.bind(elem || obj);
                }

return item;
            }
        }
        return false;
    }

function testPropsAll( prop, prefixed, elem ) {

var ucProp  = prop.charAt(0).toUpperCase() + prop.slice(1),
            props   = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' ');

if(is(prefixed, "string") || is(prefixed, "undefined")) {
          return testProps(props, prefixed);

} else {
          props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
          return testDOMProps(props, prefixed, elem);
        }
    }

tests['canvas'] = function() {
        var elem = document.createElement('canvas');
        return !!(elem.getContext && elem.getContext('2d'));
    };

tests['canvastext'] = function() {
        return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function'));
    };
    tests['touch'] = function() {
        var bool;

if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) {
          bool = true;
        } else {
          injectElementWithStyles(['@media (',prefixes.join('touch-enabled),('),mod,')','{#modernizr{top:9px;position:absolute}}'].join(''), function( node ) {
            bool = node.offsetTop === 9;
          });
        }

return bool;
    };

tests['draganddrop'] = function() {
        var div = document.createElement('div');
        return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div);
    };

tests['csstransforms'] = function() {
        return !!testPropsAll('transform');
    };

tests['svg'] = function() {
        return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect;
    };

tests['inlinesvg'] = function() {
      var div = document.createElement('div');
      div.innerHTML = '<svg/>';
      return (div.firstChild && div.firstChild.namespaceURI) == ns.svg;
    };

tests['svgclippaths'] = function() {
        return !!document.createElementNS && /SVGClipPath/.test(toString.call(document.createElementNS(ns.svg, 'clipPath')));
    };

for ( var feature in tests ) {
        if ( hasOwnProp(tests, feature) ) {
                                    featureName  = feature.toLowerCase();
            Modernizr[featureName] = tests[feature]();

classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
        }
    }

Modernizr.addTest = function ( feature, test ) {
       if ( typeof feature == 'object' ) {
         for ( var key in feature ) {
           if ( hasOwnProp( feature, key ) ) {
             Modernizr.addTest( key, feature[ key ] );
           }
         }
       } else {

feature = feature.toLowerCase();

if ( Modernizr[feature] !== undefined ) {
                                              return Modernizr;
         }

test = typeof test == 'function' ? test() : test;

if (typeof enableClasses !== "undefined" && enableClasses) {
           docElement.className += ' ' + (test ? '' : 'no-') + feature;
         }
         Modernizr[feature] = test;

}

return Modernizr; 
     };

setCss('');
    modElem = inputElem = null;

Modernizr._version      = version;

Modernizr._prefixes     = prefixes;
    Modernizr._domPrefixes  = domPrefixes;
    Modernizr._cssomPrefixes  = cssomPrefixes;

Modernizr.hasEvent      = isEventSupported;

Modernizr.testProp      = function(prop){
        return testProps([prop]);
    };

Modernizr.testAllProps  = testPropsAll;

Modernizr.testStyles    = injectElementWithStyles;
    return Modernizr;

})(window, window.document);
// data uri test.
// https://github.com/Modernizr/Modernizr/issues/14

// This test is asynchronous. Watch out.

// in IE7 in HTTPS this can cause a Mixed Content security popup. 
//  github.com/Modernizr/Modernizr/issues/362
// To avoid that you can create a new iframe and inject this.. perhaps..

(function(){

var datauri = new Image();

datauri.onerror = function() {
      Modernizr.addTest('datauri', function () { return false; });
  };  
  datauri.onload = function() {
      Modernizr.addTest('datauri', function () { return (datauri.width == 1 && datauri.height == 1); });
  };

datauri.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";

})();
;

// Attach to jQuery object
  $.Jcrop = Jcrop;

$.Jcrop.supportsCanvas = Modernizr.canvas;
  $.Jcrop.supportsCanvasText = Modernizr.canvastext;
  $.Jcrop.supportsDragAndDrop = Modernizr.draganddrop;
  $.Jcrop.supportsDataURI = Modernizr.datauri;
  $.Jcrop.supportsSVG = Modernizr.svg;
  $.Jcrop.supportsInlineSVG = Modernizr.inlinesvg;
  $.Jcrop.supportsSVGClipPaths = Modernizr.svgclippaths;
  $.Jcrop.supportsCSSTransforms = Modernizr.csstransforms;
  $.Jcrop.supportsTouch = Modernizr.touch;

})(jQuery);