jquery.Jcrop.js

/**
 * jquery.Jcrop.js v0.9.13
 * jQuery Image Cropping Plugin - released under MIT License 
 * Author: Kelly Hallman <khallman@gmail.com>
 * http://github.com/tapmodo/Jcrop
 * Copyright (c) 2008-2013 Tapmodo Interactive LLC {{{
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * }}}
 */

(function ($) {

  $.Jcrop = function (obj, opt) {
    var options = $.extend({}, $.Jcrop.defaults),
        docOffset,
        _ua = navigator.userAgent.toLowerCase(),
        is_msie = isInternetExplorer(_ua),
        ie6mode = isInternetExplorer6(_ua);

    // Internal Methods {{{
	function isInternetExplorer(ua) {
		var msie = ua.indexOf("MSIE ");
        if (msie > 0 || !!ua.match(/Trident.*rv\:11\./)) {
			return true;
		}
		return false;
	}
	
	function isInternetExplorer6(ua) {
		var msie = ua.indexOf("MSIE ");
		var ieVersion = parseInt(ua.substring(msie + 5, ua.indexOf(".", msie)));
		return ieVersion <= 6;
	}
	
    function px(n) {
      return Math.round(n) + 'px';
    }
    function cssClass(cl) {
      return options.baseClass + '-' + cl;
    }
    function supportsColorFade() {
      return $.fx.step.hasOwnProperty('backgroundColor');
    }
    function getPos(obj) //{{{
    {
      var pos = $(obj).offset();
      return [pos.left, pos.top];
    }
    //}}}
    function mouseAbs(e) //{{{
    {
      return [(e.pageX - docOffset[0]), (e.pageY - docOffset[1])];
    }
    //}}}
    function setOptions(opt) //{{{
    {
      if (typeof(opt) !== 'object') opt = {};
      options = $.extend(options, opt);

      $.each(['onChange','onSelect','onRelease','onDblClick'],function(i,e) {
        if (typeof(options[e]) !== 'function') options[e] = function () {};
      });
    }
    //}}}
    function startDragMode(mode, pos, touch) //{{{
    {
      docOffset = getPos($img);
      Tracker.setCursor(mode === 'move' ? mode : mode + '-resize');

      if (mode === 'move') {
        return Tracker.activateHandlers(createMover(pos), doneSelect, touch);
      }

      var fc = Coords.getFixed();
      var opp = oppLockCorner(mode);
      var opc = Coords.getCorner(oppLockCorner(opp));

      Coords.setPressed(Coords.getCorner(opp));
      Coords.setCurrent(opc);

      Tracker.activateHandlers(dragmodeHandler(mode, fc), doneSelect, touch);
    }
    //}}}
    function dragmodeHandler(mode, f) //{{{
    {
      return function (pos) {
        if (!options.aspectRatio) {
          switch (mode) {
          case 'e':
            pos[1] = f.y2;
            break;
          case 'w':
            pos[1] = f.y2;
            break;
          case 'n':
            pos[0] = f.x2;
            break;
          case 's':
            pos[0] = f.x2;
            break;
          }
        } else {
          switch (mode) {
          case 'e':
            pos[1] = f.y + 1;
            break;
          case 'w':
            pos[1] = f.y + 1;
            break;
          case 'n':
            pos[0] = f.x + 1;
            break;
          case 's':
            pos[0] = f.x + 1;
            break;
          }
        }
        Coords.setCurrent(pos);
        Selection.update();
      };
    }
    //}}}
    function createMover(pos) //{{{
    {
      var lloc = pos;
      KeyManager.watchKeys();

      return function (pos) {
        Coords.moveOffset([pos[0] - lloc[0], pos[1] - lloc[1]]);
        lloc = pos;

        Selection.update();
      };
    }
    //}}}
    function oppLockCorner(ord) //{{{
    {
      switch (ord) {
      case 'n':
        return 'sw';
      case 's':
        return 'nw';
      case 'e':
        return 'nw';
      case 'w':
        return 'ne';
      case 'ne':
        return 'sw';
      case 'nw':
        return 'se';
      case 'se':
        return 'nw';
      case 'sw':
        return 'ne';
      }
    }
    //}}}
    function createDragger(ord) //{{{
    {
      return function (e) {
        if (options.disabled) {
          return false;
        }
        if ((ord === 'move') && !options.allowMove) {
          return false;
        }
        
        // Fix position of crop area when dragged the very first time.
        // Necessary when crop image is in a hidden element when page is loaded.
        docOffset = getPos($img);

        btndown = true;
        startDragMode(ord, mouseAbs(e));
        e.stopPropagation();
        e.preventDefault();
        return false;
      };
    }
    //}}}
    function presize($obj, w, h) //{{{
    {
      var nw = $obj.width(),
          nh = $obj.height();
      if ((nw > w) && w > 0) {
        nw = w;
        nh = (w / $obj.width()) * $obj.height();
      }
      if ((nh > h) && h > 0) {
        nh = h;
        nw = (h / $obj.height()) * $obj.width();
      }
      xscale = $obj.width() / nw;
      yscale = $obj.height() / nh;
      $obj.width(nw).height(nh);
    }
    //}}}
    function unscale(c) //{{{
    {
      return {
        x: c.x * xscale,
        y: c.y * yscale,
        x2: c.x2 * xscale,
        y2: c.y2 * yscale,
        w: c.w * xscale,
        h: c.h * yscale
      };
    }
    //}}}
    function doneSelect(pos) //{{{
    {
      var c = Coords.getFixed();
      if ((c.w > options.minSelect[0]) && (c.h > options.minSelect[1])) {
        Selection.enableHandles();
        Selection.done();
      } else {
        Selection.release();
      }
      Tracker.setCursor(options.allowSelect ? 'crosshair' : 'default');
    }
    //}}}
    function newSelection(e) //{{{
    {
      if (options.disabled) {
        return;
      }
      if (!options.allowSelect) {
        return;
      }
      btndown = true;
      docOffset = getPos($img);
      Selection.disableHandles();
      Tracker.setCursor('crosshair');
      var pos = mouseAbs(e);
      Coords.setPressed(pos);
      Selection.update();
      Tracker.activateHandlers(selectDrag, doneSelect, e.type.substring(0,5)==='touch');
      KeyManager.watchKeys();

      e.stopPropagation();
      e.preventDefault();
      return false;
    }
    //}}}
    function selectDrag(pos) //{{{
    {
      Coords.setCurrent(pos);
      Selection.update();
    }
    //}}}
    function newTracker() //{{{
    {
      var trk = $('<div></div>').addClass(cssClass('tracker'));
      if (is_msie) {
        trk.css({
          opacity: 0,
          backgroundColor: 'white'
        });
      }
      return trk;
    }
    //}}}

    // }}}
    // Initialization {{{
    // Sanitize some options {{{
    if (typeof(obj) !== 'object') {
      obj = $(obj)[0];
    }
    if (typeof(opt) !== 'object') {
      opt = {};
    }
    // }}}
    setOptions(opt);
    // Initialize some jQuery objects {{{
    // The values are SET on the image(s) for the interface
    // If the original image has any of these set, they will be reset
    // However, if you destroy() the Jcrop instance the original image's
    // character in the DOM will be as you left it.
    var img_css = {
      border: 'none',
      visibility: 'visible',
      margin: 0,
      padding: 0,
      position: 'absolute',
      top: 0,
      left: 0
    };

    var $origimg = $(obj),
      img_mode = true;

    if (obj.tagName == 'IMG') {
      // Fix size of crop image.
      // Necessary when crop image is within a hidden element when page is loaded.
      if ($origimg[0].width != 0 && $origimg[0].height != 0) {
        // Obtain dimensions from contained img element.
        $origimg.width($origimg[0].width);
        $origimg.height($origimg[0].height);
      } else {
        // Obtain dimensions from temporary image in case the original is not loaded yet (e.g. IE 7.0). 
        var tempImage = new Image();
        tempImage.src = $origimg[0].src;
        $origimg.width(tempImage.width);
        $origimg.height(tempImage.height);
      } 

      var $img = $origimg.clone().removeAttr('id').css(img_css).show();

      $img.width($origimg.width());
      $img.height($origimg.height());
      $origimg.after($img).hide();

    } else {
      $img = $origimg.css(img_css).show();
      img_mode = false;
      if (options.shade === null) { options.shade = true; }
    }

    presize($img, options.boxWidth, options.boxHeight);

    var boundx = $img.width(),
        boundy = $img.height(),
        
        
        $div = $('<div />').width(boundx).height(boundy).addClass(cssClass('holder')).css({
        position: 'relative',
        backgroundColor: options.bgColor
      }).insertAfter($origimg).append($img);

    if (options.addClass) {
      $div.addClass(options.addClass);
    }

    var $img2 = $('<div />'),

        $img_holder = $('<div />') 
        .width('100%').height('100%').css({
          zIndex: 310,
          position: 'absolute',
          overflow: 'hidden'
        }),

        $hdl_holder = $('<div />') 
        .width('100%').height('100%').css('zIndex', 320), 

        $sel = $('<div />') 
        .css({
          position: 'absolute',
          zIndex: 600
        }).dblclick(function(){
          var c = Coords.getFixed();
          options.onDblClick.call(api,c);
        }).insertBefore($img).append($img_holder, $hdl_holder); 

    if (img_mode) {

      $img2 = $('<img />')
          .attr('src', $img.attr('src')).css(img_css).width(boundx).height(boundy),

      $img_holder.append($img2);

    }

    if (ie6mode) {
      $sel.css({
        overflowY: 'hidden'
      });
    }

    var bound = options.boundary;
    var $trk = newTracker().width(boundx + (bound * 2)).height(boundy + (bound * 2)).css({
      position: 'absolute',
      top: px(-bound),
      left: px(-bound),
      zIndex: 290
    }).mousedown(newSelection);

    /* }}} */
    // Set more variables {{{
    var bgcolor = options.bgColor,
        bgopacity = options.bgOpacity,
        xlimit, ylimit, xmin, ymin, xscale, yscale, enabled = true,
        btndown, animating, shift_down;

    docOffset = getPos($img);
    // }}}
    // }}}
    // Internal Modules {{{
    // Touch Module {{{ 
    var Touch = (function () {
      // Touch support detection function adapted (under MIT License)
      // from code by Jeffrey Sambells - http://github.com/iamamused/
      function hasTouchSupport() {
        var support = {}, events = ['touchstart', 'touchmove', 'touchend'],
            el = document.createElement('div'), i;

        try {
          for(i=0; i<events.length; i++) {
            var eventName = events[i];
            eventName = 'on' + eventName;
            var isSupported = (eventName in el);
            if (!isSupported) {
              el.setAttribute(eventName, 'return;');
              isSupported = typeof el[eventName] == 'function';
            }
            support[events[i]] = isSupported;
          }
          return support.touchstart && support.touchend && support.touchmove;
        }
        catch(err) {
          return false;
        }
      }

      function detectSupport() {
        if ((options.touchSupport === true) || (options.touchSupport === false)) return options.touchSupport;
          else return hasTouchSupport();
      }
      return {
        createDragger: function (ord) {
          return function (e) {
            if (options.disabled) {
              return false;
            }
            if ((ord === 'move') && !options.allowMove) {
              return false;
            }
            docOffset = getPos($img);
            btndown = true;
            startDragMode(ord, mouseAbs(Touch.cfilter(e)), true);
            e.stopPropagation();
            e.preventDefault();
            return false;
          };
        },
        newSelection: function (e) {
          return newSelection(Touch.cfilter(e));
        },
        cfilter: function (e){
          e.pageX = e.originalEvent.changedTouches[0].pageX;
          e.pageY = e.originalEvent.changedTouches[0].pageY;
          return e;
        },
        isSupported: hasTouchSupport,
        support: detectSupport()
      };
    }());
    // }}}
    // Coords Module {{{
    var Coords = (function () {
      var x1 = 0,
          y1 = 0,
          x2 = 0,
          y2 = 0,
          ox, oy;

      function setPressed(pos) //{{{
      {
        pos = rebound(pos);
        x2 = x1 = pos[0];
        y2 = y1 = pos[1];
      }
      //}}}
      function setCurrent(pos) //{{{
      {
        pos = rebound(pos);
        ox = pos[0] - x2;
        oy = pos[1] - y2;
        x2 = pos[0];
        y2 = pos[1];
      }
      //}}}
      function getOffset() //{{{
      {
        return [ox, oy];
      }
      //}}}
      function moveOffset(offset) //{{{
      {
        var ox = offset[0],
            oy = offset[1];

        if (0 > x1 + ox) {
          ox -= ox + x1;
        }
        if (0 > y1 + oy) {
          oy -= oy + y1;
        }

        if (boundy < y2 + oy) {
          oy += boundy - (y2 + oy);
        }
        if (boundx < x2 + ox) {
          ox += boundx - (x2 + ox);
        }

        x1 += ox;
        x2 += ox;
        y1 += oy;
        y2 += oy;
      }
      //}}}
      function getCorner(ord) //{{{
      {
        var c = getFixed();
        switch (ord) {
        case 'ne':
          return [c.x2, c.y];
        case 'nw':
          return [c.x, c.y];
        case 'se':
          return [c.x2, c.y2];
        case 'sw':
          return [c.x, c.y2];
        }
      }
      //}}}
      function getFixed() //{{{
      {
        if (!options.aspectRatio) {
          return getRect();
        }
        // This function could use some optimization I think...
        var aspect = options.aspectRatio,
            min_x = options.minSize[0] / xscale,
            
            
            //min_y = options.minSize[1]/yscale,
            max_x = options.maxSize[0] / xscale,
            max_y = options.maxSize[1] / yscale,
            rw = x2 - x1,
            rh = y2 - y1,
            rwa = Math.abs(rw),
            rha = Math.abs(rh),
            real_ratio = rwa / rha,
            xx, yy, w, h;

        if (max_x === 0) {
          max_x = boundx * 10;
        }
        if (max_y === 0) {
          max_y = boundy * 10;
        }
        if (real_ratio < aspect) {
          yy = y2;
          w = rha * aspect;
          xx = rw < 0 ? x1 - w : w + x1;

          if (xx < 0) {
            xx = 0;
            h = Math.abs((xx - x1) / aspect);
            yy = rh < 0 ? y1 - h : h + y1;
          } else if (xx > boundx) {
            xx = boundx;
            h = Math.abs((xx - x1) / aspect);
            yy = rh < 0 ? y1 - h : h + y1;
          }
        } else {
          xx = x2;
          h = rwa / aspect;
          yy = rh < 0 ? y1 - h : y1 + h;
          if (yy < 0) {
            yy = 0;
            w = Math.abs((yy - y1) * aspect);
            xx = rw < 0 ? x1 - w : w + x1;
          } else if (yy > boundy) {
            yy = boundy;
            w = Math.abs(yy - y1) * aspect;
            xx = rw < 0 ? x1 - w : w + x1;
          }
        }

        // Magic %-)
        if (xx > x1) { // right side
          if (xx - x1 < min_x) {
            xx = x1 + min_x;
          } else if (xx - x1 > max_x) {
            xx = x1 + max_x;
          }
          if (yy > y1) {
            yy = y1 + (xx - x1) / aspect;
          } else {
            yy = y1 - (xx - x1) / aspect;
          }
        } else if (xx < x1) { // left side
          if (x1 - xx < min_x) {
            xx = x1 - min_x;
          } else if (x1 - xx > max_x) {
            xx = x1 - max_x;
          }
          if (yy > y1) {
            yy = y1 + (x1 - xx) / aspect;
          } else {
            yy = y1 - (x1 - xx) / aspect;
          }
        }

        if (xx < 0) {
          x1 -= xx;
          xx = 0;
        } else if (xx > boundx) {
          x1 -= xx - boundx;
          xx = boundx;
        }

        if (yy < 0) {
          y1 -= yy;
          yy = 0;
        } else if (yy > boundy) {
          y1 -= yy - boundy;
          yy = boundy;
        }

        return makeObj(flipCoords(x1, y1, xx, yy));
      }
      //}}}
      function rebound(p) //{{{
      {
        if (p[0] < 0) p[0] = 0;
        if (p[1] < 0) p[1] = 0;

        if (p[0] > boundx) p[0] = boundx;
        if (p[1] > boundy) p[1] = boundy;

        return [Math.round(p[0]), Math.round(p[1])];
      }
      //}}}
      function flipCoords(x1, y1, x2, y2) //{{{
      {
        var xa = x1,
            xb = x2,
            ya = y1,
            yb = y2;
        if (x2 < x1) {
          xa = x2;
          xb = x1;
        }
        if (y2 < y1) {
          ya = y2;
          yb = y1;
        }
        return [xa, ya, xb, yb];
      }
      //}}}
      function getRect() //{{{
      {
        var xsize = x2 - x1,
            ysize = y2 - y1,
            delta;

        if (xlimit && (Math.abs(xsize) > xlimit)) {
          x2 = (xsize > 0) ? (x1 + xlimit) : (x1 - xlimit);
        }
        if (ylimit && (Math.abs(ysize) > ylimit)) {
          y2 = (ysize > 0) ? (y1 + ylimit) : (y1 - ylimit);
        }

        if (ymin / yscale && (Math.abs(ysize) < ymin / yscale)) {
          y2 = (ysize > 0) ? (y1 + ymin / yscale) : (y1 - ymin / yscale);
        }
        if (xmin / xscale && (Math.abs(xsize) < xmin / xscale)) {
          x2 = (xsize > 0) ? (x1 + xmin / xscale) : (x1 - xmin / xscale);
        }

        if (x1 < 0) {
          x2 -= x1;
          x1 -= x1;
        }
        if (y1 < 0) {
          y2 -= y1;
          y1 -= y1;
        }
        if (x2 < 0) {
          x1 -= x2;
          x2 -= x2;
        }
        if (y2 < 0) {
          y1 -= y2;
          y2 -= y2;
        }
        if (x2 > boundx) {
          delta = x2 - boundx;
          x1 -= delta;
          x2 -= delta;
        }
        if (y2 > boundy) {
          delta = y2 - boundy;
          y1 -= delta;
          y2 -= delta;
        }
        if (x1 > boundx) {
          delta = x1 - boundy;
          y2 -= delta;
          y1 -= delta;
        }
        if (y1 > boundy) {
          delta = y1 - boundy;
          y2 -= delta;
          y1 -= delta;
        }

        return makeObj(flipCoords(x1, y1, x2, y2));
      }
      //}}}
      function makeObj(a) //{{{
      {
        return {
          x: a[0],
          y: a[1],
          x2: a[2],
          y2: a[3],
          w: a[2] - a[0],
          h: a[3] - a[1]
        };
      }
      //}}}

      return {
        flipCoords: flipCoords,
        setPressed: setPressed,
        setCurrent: setCurrent,
        getOffset: getOffset,
        moveOffset: moveOffset,
        getCorner: getCorner,
        getFixed: getFixed
      };
    }());

    //}}}
    // Shade Module {{{
    var Shade = (function() {
      var enabled = false,
          holder = $('<div />').css({
            position: 'absolute',
            zIndex: 240,
            opacity: 0
          }),
          shades = {
            top: createShade(),
            left: createShade().height(boundy),
            right: createShade().height(boundy),
            bottom: createShade()
          };

      function resizeShades(w,h) {
        shades.left.css({ height: px(h) });
        shades.right.css({ height: px(h) });
      }
      function updateAuto()
      {
        return updateShade(Coords.getFixed());
      }
      function updateShade(c)
      {
        shades.top.css({
          left: px(c.x),
          width: px(c.w),
          height: px(c.y)
        });
        shades.bottom.css({
          top: px(c.y2),
          left: px(c.x),
          width: px(c.w),
          height: px(boundy-c.y2)
        });
        shades.right.css({
          left: px(c.x2),
          width: px(boundx-c.x2)
        });
        shades.left.css({
          width: px(c.x)
        });
      }
      function createShade() {
        return $('<div />').css({
          position: 'absolute',
          backgroundColor: options.shadeColor||options.bgColor
        }).appendTo(holder);
      }
      function enableShade() {
        if (!enabled) {
          enabled = true;
          holder.insertBefore($img);
          updateAuto();
          Selection.setBgOpacity(1,0,1);
          $img2.hide();

          setBgColor(options.shadeColor||options.bgColor,1);
          if (Selection.isAwake())
          {
            setOpacity(options.bgOpacity,1);
          }
            else setOpacity(1,1);
        }
      }
      function setBgColor(color,now) {
        colorChangeMacro(getShades(),color,now);
      }
      function disableShade() {
        if (enabled) {
          holder.remove();
          $img2.show();
          enabled = false;
          if (Selection.isAwake()) {
            Selection.setBgOpacity(options.bgOpacity,1,1);
          } else {
            Selection.setBgOpacity(1,1,1);
            Selection.disableHandles();
          }
          colorChangeMacro($div,0,1);
        }
      }
      function setOpacity(opacity,now) {
        if (enabled) {
          if (options.bgFade && !now) {
            holder.animate({
              opacity: 1-opacity
            },{
              queue: false,
              duration: options.fadeTime
            });
          }
          else holder.css({opacity:1-opacity});
        }
      }
      function refreshAll() {
        options.shade ? enableShade() : disableShade();
        if (Selection.isAwake()) setOpacity(options.bgOpacity);
      }
      function getShades() {
        return holder.children();
      }

      return {
        update: updateAuto,
        updateRaw: updateShade,
        getShades: getShades,
        setBgColor: setBgColor,
        enable: enableShade,
        disable: disableShade,
        resize: resizeShades,
        refresh: refreshAll,
        opacity: setOpacity
      };
    }());
    // }}}
    // Selection Module {{{
    var Selection = (function () {
      var awake,
          hdep = 370,
          borders = {},
          handle = {},
          dragbar = {},
          seehandles = false;

      // Private Methods
      function insertBorder(type) //{{{
      {
        var jq = $('<div />').css({
          position: 'absolute',
          opacity: options.borderOpacity
        }).addClass(cssClass(type));
        $img_holder.append(jq);
        return jq;
      }
      //}}}
      function dragDiv(ord, zi) //{{{
      {
        var jq = $('<div />').mousedown(createDragger(ord)).css({
          cursor: ord + '-resize',
          position: 'absolute',
          zIndex: zi
        }).addClass('ord-'+ord);

        if (Touch.support) {
          jq.bind('touchstart.jcrop', Touch.createDragger(ord));
        }

        $hdl_holder.append(jq);
        return jq;
      }
      //}}}
      function insertHandle(ord) //{{{
      {
        var hs = options.handleSize,

          div = dragDiv(ord, hdep++).css({
            opacity: options.handleOpacity
          }).addClass(cssClass('handle'));

        if (hs) { div.width(hs).height(hs); }

        return div;
      }
      //}}}
      function insertDragbar(ord) //{{{
      {
        return dragDiv(ord, hdep++).addClass('jcrop-dragbar');
      }
      //}}}
      function createDragbars(li) //{{{
      {
        var i;
        for (i = 0; i < li.length; i++) {
          dragbar[li[i]] = insertDragbar(li[i]);
        }
      }
      //}}}
      function createBorders(li) //{{{
      {
        var cl,i;
        for (i = 0; i < li.length; i++) {
          switch(li[i]){
            case'n': cl='hline'; break;
            case's': cl='hline bottom'; break;
            case'e': cl='vline right'; break;
            case'w': cl='vline'; break;
          }
          borders[li[i]] = insertBorder(cl);
        }
      }
      //}}}
      function createHandles(li) //{{{
      {
        var i;
        for (i = 0; i < li.length; i++) {
          handle[li[i]] = insertHandle(li[i]);
        }
      }
      //}}}
      function moveto(x, y) //{{{
      {
        if (!options.shade) {
          $img2.css({
            top: px(-y),
            left: px(-x)
          });
        }
        $sel.css({
          top: px(y),
          left: px(x)
        });
      }
      //}}}
      function resize(w, h) //{{{
      {
        $sel.width(Math.round(w)).height(Math.round(h));
      }
      //}}}
      function refresh() //{{{
      {
        var c = Coords.getFixed();

        Coords.setPressed([c.x, c.y]);
        Coords.setCurrent([c.x2, c.y2]);

        updateVisible();
      }
      //}}}

      // Internal Methods
      function updateVisible(select) //{{{
      {
        if (awake) {
          return update(select);
        }
      }
      //}}}
      function update(select) //{{{
      {
        var c = Coords.getFixed();

        resize(c.w, c.h);
        moveto(c.x, c.y);
        if (options.shade) Shade.updateRaw(c);

        awake || show();

        if (select) {
          options.onSelect.call(api, unscale(c));
        } else {
          options.onChange.call(api, unscale(c));
        }
      }
      //}}}
      function setBgOpacity(opacity,force,now) //{{{
      {
        if (!awake && !force) return;
        if (options.bgFade && !now) {
          $img.animate({
            opacity: opacity
          },{
            queue: false,
            duration: options.fadeTime
          });
        } else {
          $img.css('opacity', opacity);
        }
      }
      //}}}
      function show() //{{{
      {
        $sel.show();

        if (options.shade) Shade.opacity(bgopacity);
          else setBgOpacity(bgopacity,true);

        awake = true;
      }
      //}}}
      function release() //{{{
      {
        disableHandles();
        $sel.hide();

        if (options.shade) Shade.opacity(1);
          else setBgOpacity(1);

        awake = false;
        options.onRelease.call(api);
      }
      //}}}
      function showHandles() //{{{
      {
        if (seehandles) {
          $hdl_holder.show();
        }
      }
      //}}}
      function enableHandles() //{{{
      {
        seehandles = true;
        if (options.allowResize) {
          $hdl_holder.show();
          return true;
        }
      }
      //}}}
      function disableHandles() //{{{
      {
        seehandles = false;
        $hdl_holder.hide();
      } 
      //}}}
      function animMode(v) //{{{
      {
        if (v) {
          animating = true;
          disableHandles();
        } else {
          animating = false;
          enableHandles();
        }
      } 
      //}}}
      function done() //{{{
      {
        animMode(false);
        refresh();
      } 
      //}}}
      // Insert draggable elements {{{
      // Insert border divs for outline

      if (options.dragEdges && $.isArray(options.createDragbars))
        createDragbars(options.createDragbars);

      if ($.isArray(options.createHandles))
        createHandles(options.createHandles);

      if (options.drawBorders && $.isArray(options.createBorders))
        createBorders(options.createBorders);

      //}}}

      // This is a hack for iOS5 to support drag/move touch functionality
      $(document).bind('touchstart.jcrop-ios',function(e) {
        if ($(e.currentTarget).hasClass('jcrop-tracker')) e.stopPropagation();
      });

      var $track = newTracker().mousedown(createDragger('move')).css({
        cursor: 'move',
        position: 'absolute',
        zIndex: 360
      });

      if (Touch.support) {
        $track.bind('touchstart.jcrop', Touch.createDragger('move'));
      }

      $img_holder.append($track);
      disableHandles();

      return {
        updateVisible: updateVisible,
        update: update,
        release: release,
        refresh: refresh,
        isAwake: function () {
          return awake;
        },
        setCursor: function (cursor) {
          $track.css('cursor', cursor);
        },
        enableHandles: enableHandles,
        enableOnly: function () {
          seehandles = true;
        },
        showHandles: showHandles,
        disableHandles: disableHandles,
        animMode: animMode,
        setBgOpacity: setBgOpacity,
        done: done
      };
    }());
    
    //}}}
    // Tracker Module {{{
    var Tracker = (function () {
      var onMove = function () {},
          onDone = function () {},
          trackDoc = options.trackDocument;

      function toFront(touch) //{{{
      {
        $trk.css({
          zIndex: 450
        });

        if (touch)
          $(document)
            .bind('touchmove.jcrop', trackTouchMove)
            .bind('touchend.jcrop', trackTouchEnd);

        else if (trackDoc)
          $(document)
            .bind('mousemove.jcrop',trackMove)
            .bind('mouseup.jcrop',trackUp);
      } 
      //}}}
      function toBack() //{{{
      {
        $trk.css({
          zIndex: 290
        });
        $(document).unbind('.jcrop');
      } 
      //}}}
      function trackMove(e) //{{{
      {
        onMove(mouseAbs(e));
        return false;
      } 
      //}}}
      function trackUp(e) //{{{
      {
        e.preventDefault();
        e.stopPropagation();

        if (btndown) {
          btndown = false;

          onDone(mouseAbs(e));

          if (Selection.isAwake()) {
            options.onSelect.call(api, unscale(Coords.getFixed()));
          }

          toBack();
          onMove = function () {};
          onDone = function () {};
        }

        return false;
      }
      //}}}
      function activateHandlers(move, done, touch) //{{{
      {
        btndown = true;
        onMove = move;
        onDone = done;
        toFront(touch);
        return false;
      }
      //}}}
      function trackTouchMove(e) //{{{
      {
        onMove(mouseAbs(Touch.cfilter(e)));
        return false;
      }
      //}}}
      function trackTouchEnd(e) //{{{
      {
        return trackUp(Touch.cfilter(e));
      }
      //}}}
      function setCursor(t) //{{{
      {
        $trk.css('cursor', t);
      }
      //}}}

      if (!trackDoc) {
        $trk.mousemove(trackMove).mouseup(trackUp).mouseout(trackUp);
      }

      $img.before($trk);
      return {
        activateHandlers: activateHandlers,
        setCursor: setCursor
      };
    }());
    //}}}
    // KeyManager Module {{{
    var KeyManager = (function () {
      var $keymgr = $('<input type="radio" />').css({
        position: 'fixed',
        left: '-120px',
        width: '12px'
      }).addClass('jcrop-keymgr'),

        $keywrap = $('<div />').css({
          position: 'absolute',
          overflow: 'hidden'
        }).append($keymgr);

      function watchKeys() //{{{
      {
        if (options.keySupport) {
          $keymgr.show();
          $keymgr.focus();
        }
      }
      //}}}
      function onBlur(e) //{{{
      {
        $keymgr.hide();
      }
      //}}}
      function doNudge(e, x, y) //{{{
      {
        if (options.allowMove) {
          Coords.moveOffset([x, y]);
          Selection.updateVisible(true);
        }
        e.preventDefault();
        e.stopPropagation();
      }
      //}}}
      function parseKey(e) //{{{
      {
        if (e.ctrlKey || e.metaKey) {
          return true;
        }
        shift_down = e.shiftKey ? true : false;
        var nudge = shift_down ? 10 : 1;

        switch (e.keyCode) {
        case 37:
          doNudge(e, -nudge, 0);
          break;
        case 39:
          doNudge(e, nudge, 0);
          break;
        case 38:
          doNudge(e, 0, -nudge);
          break;
        case 40:
          doNudge(e, 0, nudge);
          break;
        case 27:
          if (options.allowSelect) Selection.release();
          break;
        case 9:
          return true;
        }

        return false;
      }
      //}}}

      if (options.keySupport) {
        $keymgr.keydown(parseKey).blur(onBlur);
        if (ie6mode || !options.fixedSupport) {
          $keymgr.css({
            position: 'absolute',
            left: '-20px'
          });
          $keywrap.append($keymgr).insertBefore($img);
        } else {
          $keymgr.insertBefore($img);
        }
      }


      return {
        watchKeys: watchKeys
      };
    }());
    //}}}
    // }}}
    // API methods {{{
    function setClass(cname) //{{{
    {
      $div.removeClass().addClass(cssClass('holder')).addClass(cname);
    }
    //}}}
    function animateTo(a, callback) //{{{
    {
      var x1 = a[0] / xscale,
          y1 = a[1] / yscale,
          x2 = a[2] / xscale,
          y2 = a[3] / yscale;

      if (animating) {
        return;
      }

      var animto = Coords.flipCoords(x1, y1, x2, y2),
          c = Coords.getFixed(),
          initcr = [c.x, c.y, c.x2, c.y2],
          animat = initcr,
          interv = options.animationDelay,
          ix1 = animto[0] - initcr[0],
          iy1 = animto[1] - initcr[1],
          ix2 = animto[2] - initcr[2],
          iy2 = animto[3] - initcr[3],
          pcent = 0,
          velocity = options.swingSpeed;

      x1 = animat[0];
      y1 = animat[1];
      x2 = animat[2];
      y2 = animat[3];

      Selection.animMode(true);
      var anim_timer;

      function queueAnimator() {
        window.setTimeout(animator, interv);
      }
      var animator = (function () {
        return function () {
          pcent += (100 - pcent) / velocity;

          animat[0] = Math.round(x1 + ((pcent / 100) * ix1));
          animat[1] = Math.round(y1 + ((pcent / 100) * iy1));
          animat[2] = Math.round(x2 + ((pcent / 100) * ix2));
          animat[3] = Math.round(y2 + ((pcent / 100) * iy2));

          if (pcent >= 99.8) {
            pcent = 100;
          }
          if (pcent < 100) {
            setSelectRaw(animat);
            queueAnimator();
          } else {
            Selection.done();
            Selection.animMode(false);
            if (typeof(callback) === 'function') {
              callback.call(api);
            }
          }
        };
      }());
      queueAnimator();
    }
    //}}}
    function setSelect(rect) //{{{
    {
      setSelectRaw([rect[0] / xscale, rect[1] / yscale, rect[2] / xscale, rect[3] / yscale]);
      options.onSelect.call(api, unscale(Coords.getFixed()));
      Selection.enableHandles();
    }
    //}}}
    function setSelectRaw(l) //{{{
    {
      Coords.setPressed([l[0], l[1]]);
      Coords.setCurrent([l[2], l[3]]);
      Selection.update();
    }
    //}}}
    function tellSelect() //{{{
    {
      return unscale(Coords.getFixed());
    }
    //}}}
    function tellScaled() //{{{
    {
      return Coords.getFixed();
    }
    //}}}
    function setOptionsNew(opt) //{{{
    {
      setOptions(opt);
      interfaceUpdate();
    }
    //}}}
    function disableCrop() //{{{
    {
      options.disabled = true;
      Selection.disableHandles();
      Selection.setCursor('default');
      Tracker.setCursor('default');
    }
    //}}}
    function enableCrop() //{{{
    {
      options.disabled = false;
      interfaceUpdate();
    }
    //}}}
    function cancelCrop() //{{{
    {
      Selection.done();
      Tracker.activateHandlers(null, null);
    }
    //}}}
    function destroy() //{{{
    {
      $div.remove();
      $origimg.show();
      $origimg.css('visibility','visible');
      $(obj).removeData('Jcrop');
    }
    //}}}
    function setImage(src, callback) //{{{
    {
      Selection.release();
      disableCrop();
      var img = new Image();
      img.onload = function () {
        var iw = img.width;
        var ih = img.height;
        var bw = options.boxWidth;
        var bh = options.boxHeight;
        $img.width(iw).height(ih);
        $img.attr('src', src);
        $img2.attr('src', src);
        presize($img, bw, bh);
        boundx = $img.width();
        boundy = $img.height();
        $img2.width(boundx).height(boundy);
        $trk.width(boundx + (bound * 2)).height(boundy + (bound * 2));
        $div.width(boundx).height(boundy);
        Shade.resize(boundx,boundy);
        enableCrop();

        if (typeof(callback) === 'function') {
          callback.call(api);
        }
      };
      img.src = src;
    }
    //}}}
    function colorChangeMacro($obj,color,now) {
      var mycolor = color || options.bgColor;
      if (options.bgFade && supportsColorFade() && options.fadeTime && !now) {
        $obj.animate({
          backgroundColor: mycolor
        }, {
          queue: false,
          duration: options.fadeTime
        });
      } else {
        $obj.css('backgroundColor', mycolor);
      }
    }
    function interfaceUpdate(alt) //{{{
    // This method tweaks the interface based on options object.
    // Called when options are changed and at end of initialization.
    {
      if (options.allowResize) {
        if (alt) {
          Selection.enableOnly();
        } else {
          Selection.enableHandles();
        }
      } else {
        Selection.disableHandles();
      }

      Tracker.setCursor(options.allowSelect ? 'crosshair' : 'default');
      Selection.setCursor(options.allowMove ? 'move' : 'default');

      if (options.hasOwnProperty('trueSize')) {
        xscale = options.trueSize[0] / boundx;
        yscale = options.trueSize[1] / boundy;
      }

      if (options.hasOwnProperty('setSelect')) {
        setSelect(options.setSelect);
        Selection.done();
        delete(options.setSelect);
      }

      Shade.refresh();

      if (options.bgColor != bgcolor) {
        colorChangeMacro(
          options.shade? Shade.getShades(): $div,
          options.shade?
            (options.shadeColor || options.bgColor):
            options.bgColor
        );
        bgcolor = options.bgColor;
      }

      if (bgopacity != options.bgOpacity) {
        bgopacity = options.bgOpacity;
        if (options.shade) Shade.refresh();
          else Selection.setBgOpacity(bgopacity);
      }

      xlimit = options.maxSize[0] || 0;
      ylimit = options.maxSize[1] || 0;
      xmin = options.minSize[0] || 0;
      ymin = options.minSize[1] || 0;

      if (options.hasOwnProperty('outerImage')) {
        $img.attr('src', options.outerImage);
        delete(options.outerImage);
      }

      Selection.refresh();
    }
    //}}}
    //}}}

    if (Touch.support) $trk.bind('touchstart.jcrop', Touch.newSelection);

    $hdl_holder.hide();
    interfaceUpdate(true);

    var api = {
      setImage: setImage,
      animateTo: animateTo,
      setSelect: setSelect,
      setOptions: setOptionsNew,
      tellSelect: tellSelect,
      tellScaled: tellScaled,
      setClass: setClass,

      disable: disableCrop,
      enable: enableCrop,
      cancel: cancelCrop,
      release: Selection.release,
      destroy: destroy,

      focus: KeyManager.watchKeys,

      getBounds: function () {
        return [boundx * xscale, boundy * yscale];
      },
      getWidgetSize: function () {
        return [boundx, boundy];
      },
      getScaleFactor: function () {
        return [xscale, yscale];
      },
      getOptions: function() {
        // careful: internal values are returned
        return options;
      },

      ui: {
        holder: $div,
        selection: $sel
      }
    };

    if (is_msie) $div.bind('selectstart', function () { return false; });

    $origimg.data('Jcrop', api);
    return api;
  };
  $.fn.Jcrop = function (options, callback) //{{{
  {
    var api;
    // Iterate over each object, attach Jcrop
    this.each(function () {
      // If we've already attached to this object
      if ($(this).data('Jcrop')) {
        // The API can be requested this way (undocumented)
        if (options === 'api') return $(this).data('Jcrop');
        // Otherwise, we just reset the options...
        else $(this).data('Jcrop').setOptions(options);
      }
      // If we haven't been attached, preload and attach
      else {
        if (this.tagName == 'IMG')
          $.Jcrop.Loader(this,function(){
            $(this).css({display:'block',visibility:'hidden'});
            api = $.Jcrop(this, options);
            if ($.isFunction(callback)) callback.call(api);
          });
        else {
          $(this).css({display:'block',visibility:'hidden'});
          api = $.Jcrop(this, options);
          if ($.isFunction(callback)) callback.call(api);
        }
      }
    });

    // Return "this" so the object is chainable (jQuery-style)
    return this;
  };
  //}}}
  // $.Jcrop.Loader - basic image loader {{{

  $.Jcrop.Loader = function(imgobj,success,error){
    var $img = $(imgobj), img = $img[0];

    function completeCheck(){
      if (img.complete) {
        $img.unbind('.jcloader');
        if ($.isFunction(success)) success.call(img);
      }
      else window.setTimeout(completeCheck,50);
    }

    $img
      .bind('load.jcloader',completeCheck)
      .bind('error.jcloader',function(e){
        $img.unbind('.jcloader');
        if ($.isFunction(error)) error.call(img);
      });

    if (img.complete && $.isFunction(success)){
      $img.unbind('.jcloader');
      success.call(img);
    }
  };

  //}}}
  // Global Defaults {{{
  $.Jcrop.defaults = {

    // Basic Settings
    allowSelect: true,
    allowMove: true,
    allowResize: true,

    trackDocument: true,

    // Styling Options
    baseClass: 'jcrop',
    addClass: null,
    bgColor: 'black',
    bgOpacity: 0.6,
    bgFade: false,
    borderOpacity: 0.4,
    handleOpacity: 0.5,
    handleSize: null,

    aspectRatio: 0,
    keySupport: true,
    createHandles: ['n','s','e','w','nw','ne','se','sw'],
    createDragbars: ['n','s','e','w'],
    createBorders: ['n','s','e','w'],
    drawBorders: true,
    dragEdges: true,
    fixedSupport: true,
    touchSupport: null,

    shade: null,

    boxWidth: 0,
    boxHeight: 0,
    boundary: 2,
    fadeTime: 400,
    animationDelay: 20,
    swingSpeed: 3,

    minSelect: [0, 0],
    maxSize: [0, 0],
    minSize: [0, 0],

    // Callbacks / Event Handlers
    onChange: function () {},
    onSelect: function () {},
    onDblClick: function () {},
    onRelease: function () {}
  };

  // }}}
}(jQuery));