/*! Verify-v0.1.0 MIT License by 大熊*/


;(function($, window, document,undefined) {

	//定义Code的构造函数
    var Code = function(ele, opt) {
        this.$element = ele,
        this.defaults = {
        	type : 1,
        	figure : 100,	//位数，仅在type=2时生效
        	arith : 0,	//算法，支持加减乘，0为随机，仅在type=2时生效
        	width : '200px',
		    height : '60px',
		    fontSize : '30px',
        	codeLength : 6,
        	btnId : 'check-btn',
        	ready : function(){},
        	success : function(){},
            error : function(){}
        },
        this.options = $.extend({}, this.defaults, opt)
    };

    var _code_chars = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'];
    var _code_color1 = ['#fffff0', '#f0ffff', '#f0fff0', '#fff0f0'];
    var _code_color2 = ['#FF0033', '#006699', '#993366', '#FF9900', '#66CC66', '#FF33CC'];

    //定义Code的方法
    Code.prototype = {
    	init : function() {

			var _this = this;

			this.loadDom();
			this.setCode();

			this.options.ready();

			this.$element[0].onselectstart = document.body.ondrag = function(){
				return false;
			};

			//点击验证码
			this.$element.find('.verify-code, .verify-change-code').on('click', function() {
				_this.setCode();
			});

			//确定的点击事件
			this.htmlDoms.code_btn.on('click', function() {
				_this.checkCode();
			})

    	},

    	//加载页面
    	loadDom : function() {
    		var panelHtml = '<div class="cerify-code-panel"><div class="verify-code-area"><div class="verify-input-area"><input type="text"class="varify-input-code"/></div><div class="verify-change-area"><a class="verify-change-code">换一张</a></div></div><div class="verify-code"></div></div>';
        	this.$element.append(panelHtml);

        	this.isEnd = false;

        	this.htmlDoms = {
        		code_btn : $('#'+this.options.btnId),
        		code : this.$element.find('.verify-code'),
        		code_area : this.$element.find('.verify-code-area'),
        		code_input : this.$element.find('.varify-input-code'),
        	};

        	this.htmlDoms.code.css({'width':this.options.width, 'height':this.options.height,'line-height':this.options.height, 'font-size':this.options.fontSize});
        	this.htmlDoms.code_area.css({'width':this.options.width});
    	},


    	//设置验证码
    	setCode : function() {
    		if(this.isEnd == false) {

	    		var color1Num = Math.floor(Math.random() * 3);
	    		var color2Num = Math.floor(Math.random() * 5);

	    		this.htmlDoms.code.css({'background-color': _code_color1[color1Num], 'color': _code_color2[color2Num]});
	    		this.htmlDoms.code_input.val('');

	    		var code = '';
	    		this.code_chose = '';

	    		if(this.options.type == 1) {		//普通验证码
					for(var i = 0; i < this.options.codeLength; i++) {
						var charNum = Math.floor(Math.random() * 52);
						var tmpStyle = (charNum%2 ==0)? "font-style:italic;margin-right: 10px;":"font-weight:bolder;";
						tmpStyle += (Math.floor(Math.random() * 2) == 1)? "font-weight:bolder;":"";

						this.code_chose += _code_chars[charNum];
						code += '<font style="'+tmpStyle+'">'+_code_chars[charNum]+'</font>';
					}
	    		}else {		//算法验证码

	    			var num1 = Math.floor(Math.random() * this.options.figure);
	    			var num2 = Math.floor(Math.random() * this.options.figure);

	    			if(this.options.arith == 0) {
	    				var tmparith = Math.floor(Math.random() * 3);
	    			}

	    			switch(tmparith) {
	    				case 1 :
	    					this.code_chose = parseInt(num1) + parseInt(num2);
	    					code = num1 + ' + ' + num2 + ' = ?';
	    					break;
	    				case 2 :
	    					if(parseInt(num1) < parseInt(num2)) {
	    						var tmpnum = num1;
	    						num1 = num2;
	    						num2 = tmpnum;
	    					}
	    					this.code_chose = parseInt(num1) - parseInt(num2);
	    					code = num1 + ' - ' + num2 + ' = ?';
	    					break;
	    				default :
	    					this.code_chose = parseInt(num1) * parseInt(num2);
	    					code = num1 + ' × ' + num2 + ' = ?';
	    					break;
	    			}
	    		}

	    		this.htmlDoms.code.html(code);
    		}
    	},

    	//比对验证码
    	checkCode : function() {
    		if(this.options.type == 1) {		//普通验证码
    			var own_input = this.htmlDoms.code_input.val().toUpperCase();
    			this.code_chose = this.code_chose.toUpperCase();
    		}else {
    			var own_input = this.htmlDoms.code_input.val();
    		}

    		if(own_input == this.code_chose) {
    			this.isEnd = true;
    			this.options.success(this);
    		}else {
    			this.options.error(this);
    			this.setCode();
    		}
    	},

    	//刷新
    	refresh : function() {
    		this.isEnd = false;
    		this.$element.find('.verify-code').click();
    	}


    };


    //定义Slide的构造函数
    var Slide = function(ele, opt) {
        this.$element = ele,
        this.defaults = {

        	type : 1,
        	mode : 'fixed',	//弹出式pop，固定fixed
        	vOffset: 5,
            vSpace : 5,
            explain : '向右滑动完成验证',
            imgUrl : 'images/',
            imgName : ['1.jpg', '2.jpg'],
            imgSize : {
	        	width: '400px',
	        	height: '200px',
	        },
	        blockSize : {
	        	width: '50px',
	        	height: '50px',
	        },
	        barSize : {
	        	width : '400px',
	        	height : '40px',
	        },
            ready : function(){},
        	success : function(){},
            error : function(){}

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


    //定义Slide的方法
    Slide.prototype = {

        init: function() {
        	var _this = this;

        	//加载页面
        	this.loadDom();
        	this.options.ready();

        	this.$element[0].onselectstart = document.body.ondrag = function(){
				return false;
			};

        	if(this.options.mode == 'pop')	{
        		this.$element.on('mouseover', function(e){
        			_this.showImg();
	        	});

	        	this.$element.on('mouseout', function(e){
	        		_this.hideImg();
	        	});


	        	this.htmlDoms.out_panel.on('mouseover', function(e){
	        		_this.showImg();
	        	});

	        	this.htmlDoms.out_panel.on('mouseout', function(e){
	        		_this.hideImg();
	        	});
        	}

        	//按下
        	this.htmlDoms.move_block.on('touchstart', function(e) {
        		_this.start(e);
        	});

        	this.htmlDoms.move_block.on('mousedown', function(e) {
        		_this.start(e);
        	});

        	//拖动
            window.addEventListener("touchmove", function(e) {
            	_this.move(e);
            });
            window.addEventListener("mousemove", function(e) {

            	_this.move(e);
            });

            //鼠标松开
            window.addEventListener("touchend", function() {
            	_this.end();
            });
            window.addEventListener("mouseup", function() {
            	_this.end();
            });

            //刷新
            _this.$element.find('.verify-refresh').on('click', function() {
            	_this.refresh();
            });
        },

        //初始化加载
        loadDom : function() {
        	this.img_rand = Math.floor(Math.random() * this.options.imgName.length);			//随机的背景图片

        	var panelHtml = '';
        	var tmpHtml = '';

        	if(this.options.type != 1) {		//图片滑动
        		panelHtml += '<div class="verify-img-out"><div class="verify-img-panel"><div  class="verify-refresh"><i class="iconfont icon-refresh"></i></div><div class="verify-gap"></div></div></div>';
        		tmpHtml = '<div  class="verify-sub-block"></div>';
        	}

        	panelHtml += '<div class="verify-bar-area"><span  class="verify-msg">'+this.options.explain+'</span><div class="verify-left-bar"><span  class="verify-msg"></span><div  class="verify-move-block"><i  class="verify-icon iconfont icon-right"></i>'+tmpHtml+'</div></div></div>';
        	this.$element.append(panelHtml);

        	this.htmlDoms = {
        		gap : this.$element.find('.verify-gap'),
        		sub_block : this.$element.find('.verify-sub-block'),
        		out_panel : this.$element.find('.verify-img-out'),
        		img_panel : this.$element.find('.verify-img-panel'),
        		bar_area : this.$element.find('.verify-bar-area'),
        		move_block : this.$element.find('.verify-move-block'),
        		left_bar : this.$element.find('.verify-left-bar'),
        		msg : this.$element.find('.verify-msg'),
        		icon : this.$element.find('.verify-icon'),
        		refresh :this.$element.find('.verify-refresh')
        	};

        	this.status = false;	//鼠标状态
        	this.isEnd = false;		//是够验证完成
        	this.setSize = this.resetSize(this);	//重新设置宽度高度

        	this.$element.css('position', 'relative');
        	if(this.options.mode == 'pop') {
        		this.htmlDoms.out_panel.css({'display': 'none', 'position': 'absolute', 'bottom': '42px'});
        		this.htmlDoms.sub_block.css({'display': 'none'});
        	}else {
        		this.htmlDoms.out_panel.css({'position': 'relative'});
        	}

        	this.htmlDoms.gap.css({'width': this.options.blockSize.width, 'height': this.options.blockSize.height});
        	this.htmlDoms.sub_block.css({'width': this.options.blockSize.width, 'height': this.options.blockSize.height});
        	this.htmlDoms.out_panel.css('height', parseInt(this.setSize.img_height) + this.options.vSpace + 'px');
        	this.htmlDoms.img_panel.css({'width': this.setSize.img_width, 'height': this.setSize.img_height, 'background': 'url(' + this.options.imgUrl + this.options.imgName[this.img_rand]+')', 'background-size' : this.setSize.img_width + ' '+ this.setSize.img_height});
        	this.htmlDoms.bar_area.css({'width': this.setSize.bar_width, 'height': this.options.barSize.height, 'line-height':this.options.barSize.height});
        	this.htmlDoms.move_block.css({'width': this.options.barSize.height, 'height': this.options.barSize.height});
        	this.htmlDoms.left_bar.css({'width': this.options.barSize.height, 'height': this.options.barSize.height});

        	this.randSet();
        },

        //鼠标按下
        start: function(e) {
        	if(this.isEnd == false) {
	        	this.htmlDoms.msg.text('');
	        	this.htmlDoms.move_block.css('background-color', '#337ab7');
	        	this.htmlDoms.left_bar.css('border-color', '#337AB7');
	        	this.htmlDoms.icon.css('color', '#fff');
	        	e.stopPropagation();
	        	this.status = true;
        	}
        },

        //鼠标移动
        move: function(e) {
        	if(this.status && this.isEnd == false) {
				if(this.options.mode == 'pop')	{
        			this.showImg();
				}

	            if(!e.touches) {    //兼容移动端
	                var x = e.clientX;
	            }else {     //兼容PC端
	                var x = e.touches[0].pageX;
	            }
	            var bar_area_left = Slide.prototype.getLeft(this.htmlDoms.bar_area[0]);
	            var move_block_left = x - bar_area_left; //小方块相对于父元素的left值


	            if(this.options.type != 1) {		//图片滑动
	            	if(move_block_left >= this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.options.blockSize.width)/2) - 2) {
	                	move_block_left = this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.options.blockSize.width)/2) - 2;
	            	}

	            }else {		//普通滑动
	            	if(move_block_left >= this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.options.barSize.height)/2) + 3) {
	            		this.$element.find('.verify-msg:eq(1)').text('松开验证');
	                	move_block_left = this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.options.barSize.height)/2) + 3;
	            	}else {
	            		this.$element.find('.verify-msg:eq(1)').text('');
	            	}
	            }


	            if(move_block_left <= 0) {
            		move_block_left = parseInt(parseInt(this.options.blockSize.width)/2);
            	}

	            //拖动后小方块的left值
	            this.htmlDoms.move_block.css('left', move_block_left-parseInt(parseInt(this.options.blockSize.width)/2) + "px");
	            this.htmlDoms.left_bar.css('width', move_block_left-parseInt(parseInt(this.options.blockSize.width)/2) + "px");
	        }
        },

        //鼠标松开
        end: function() {

        	var _this = this;

        	//判断是否重合
        	if(this.status  && this.isEnd == false) {

        		if(this.options.type != 1) {		//图片滑动

        			var vOffset = parseInt(this.options.vOffset);
		            if(parseInt(this.htmlDoms.gap.css('left')) >= (parseInt(this.htmlDoms.move_block.css('left')) - vOffset) && parseInt(this.htmlDoms.gap.css('left')) <= (parseInt(this.htmlDoms.move_block.css('left')) + vOffset)) {
		            	this.htmlDoms.move_block.css('background-color', '#5cb85c');
		            	this.htmlDoms.left_bar.css({'border-color': '#5cb85c', 'background-color': '#fff'});
		            	this.htmlDoms.icon.css('color', '#fff');
		            	this.htmlDoms.icon.removeClass('icon-right');
		            	this.htmlDoms.icon.addClass('icon-check');
		            	this.htmlDoms.refresh.hide();
		            	this.isEnd = true;
		            	this.options.success(this);
		            }else{
		            	this.htmlDoms.move_block.css('background-color', '#d9534f');
		            	this.htmlDoms.left_bar.css('border-color', '#d9534f');
		            	this.htmlDoms.icon.css('color', '#fff');
		            	this.htmlDoms.icon.removeClass('icon-right');
		            	this.htmlDoms.icon.addClass('icon-close');


		            	setTimeout(function () {
					    	_this.refresh();
					    }, 400);

		            	this.options.error(this);
		            }

        		}else {		//普通滑动

        			if(parseInt(this.htmlDoms.move_block.css('left')) >= (parseInt(this.setSize.bar_width) - parseInt(this.options.barSize.height) - parseInt(this.options.vOffset))) {
        				this.htmlDoms.move_block.css('background-color', '#5cb85c');
        				this.htmlDoms.left_bar.css({'color': '#4cae4c', 'border-color': '#5cb85c', 'background-color': '#fff' });
        				this.htmlDoms.icon.css('color', '#fff');
		            	this.htmlDoms.icon.removeClass('icon-right');
		            	this.htmlDoms.icon.addClass('icon-check');
		            	this.htmlDoms.refresh.hide();
        				this.$element.find('.verify-msg:eq(1)').text('验证成功');
        				this.isEnd = true;
        				this.options.success(this);
        			}else {
        				this.$element.find('.verify-msg:eq(1)').text('');
        				this.htmlDoms.move_block.css('background-color', '#d9534f');
		            	this.htmlDoms.left_bar.css('border-color', '#d9534f');
		            	this.htmlDoms.icon.css('color', '#fff');
		            	this.htmlDoms.icon.removeClass('icon-right');
		            	this.htmlDoms.icon.addClass('icon-close');
		            	this.isEnd = true;

		            	setTimeout(function () {
		            		_this.$element.find('.verify-msg:eq(1)').text('');
					    	_this.refresh();
					    	_this.isEnd = false;
					    }, 400);

		            	this.options.error(this);
        			}
        		}

	            this.status = false;
        	}
        },

        //弹出式
        showImg : function() {
        	this.htmlDoms.out_panel.css({'display': 'block'});
        	this.htmlDoms.sub_block.css({'display': 'block'});
        },

        //固定式
        hideImg : function() {
        	this.htmlDoms.out_panel.css({'display': 'none'});
        	this.htmlDoms.sub_block.css({'display': 'none'});
        },


        resetSize : function(obj) {
        	var img_width,img_height,bar_width,bar_height;	//图片的宽度、高度，移动条的宽度、高度
        	var parentWidth = obj.$element.parent().width() || $(window).width();
        	var parentHeight = obj.$element.parent().height() || $(window).height();

       		if(obj.options.imgSize.width.indexOf('%')!= -1){
        		img_width = parseInt(obj.options.imgSize.width)/100 * parentWidth + 'px';
		　　}else {
				img_width = obj.options.imgSize.width;
			}

			if(obj.options.imgSize.height.indexOf('%')!= -1){
        		img_height = parseInt(obj.options.imgSize.height)/100 * parentHeight + 'px';
		　　}else {
				img_height = obj.options.imgSize.height;
			}

			if(obj.options.barSize.width.indexOf('%')!= -1){
        		bar_width = parseInt(obj.options.barSize.width)/100 * parentWidth + 'px';
		　　}else {
				bar_width = obj.options.barSize.width;
			}

			if(obj.options.barSize.height.indexOf('%')!= -1){
        		bar_height = parseInt(obj.options.barSize.height)/100 * parentHeight + 'px';
		　　}else {
				bar_height = obj.options.barSize.height;
			}

			return {img_width : img_width, img_height : img_height, bar_width : bar_width, bar_height : bar_height};
       	},

        //随机出生点位
        randSet: function() {
        	var rand1 = Math.floor(Math.random()*9+1);
        	var rand2 = Math.floor(Math.random()*9+1);
        	var top = rand1 * parseInt(this.setSize.img_height)/15 + parseInt(this.setSize.img_height) * 0.1;
        	var left = rand2 * parseInt(this.setSize.img_width)/15 + parseInt(this.setSize.img_width) * 0.1;

        	this.$element.find('.verify-gap').css({'top': top, 'left': left});
          	this.$element.find('.verify-sub-block').css({'top':'-'+(parseInt(this.setSize.img_height)- top + this.options.vSpace)+'px', 'background-image': 'url('+ this.options.imgUrl + this.options.imgName[this.img_rand]+')', 'background-size': this.setSize.img_width + ' '+ this.setSize.img_height,'background-position-y': '-'+top+ 'px', 'background-position-x': '-'+left+'px'});
        },

        //刷新
        refresh: function() {
        	this.htmlDoms.refresh.show();
        	this.$element.find('.verify-msg:eq(1)').text('');
        	this.$element.find('.verify-msg:eq(1)').css('color', '#000');
        	this.htmlDoms.move_block.animate({'left':'0px'}, 'fast');
			this.htmlDoms.left_bar.animate({'width': '40px'}, 'fast');
			this.htmlDoms.left_bar.css({'border-color': '#ddd'});

			this.htmlDoms.move_block.css('background-color', '#fff');
			this.htmlDoms.icon.css('color', '#000');
			this.htmlDoms.icon.removeClass('icon-close');
			this.htmlDoms.icon.addClass('icon-right');
			this.$element.find('.verify-msg:eq(0)').text(this.options.explain);

        	this.randSet();
        	this.img_rand = Math.floor(Math.random() * this.options.imgName.length);			//随机的背景图片
            this.$element.find('.verify-img-panel').css({'background': 'url('+ this.options.imgUrl +this.options.imgName[this.img_rand]+')', 'background-size': this.setSize.img_width + ' '+ this.setSize.img_height});
            this.$element.find('.verify-sub-block').css({'background-image': 'url('+ this.options.imgUrl +this.options.imgName[this.img_rand]+')', 'background-size': this.setSize.img_width + ' '+ this.setSize.img_height});

        	this.isEnd = false;
        },

        //获取left值
        getLeft: function(node) {
			var left = $(node).offset().left;
//          var nowPos = node.offsetParent;
//
//          while(nowPos != null) {　　
//              left += $(nowPos).offset().left;　
//              nowPos = nowPos.offsetParent;　　
//          }
            return left;
        }
    };


    //定义Points的构造函数
    var Points = function(ele, opt) {
        this.$element = ele,
        this.defaults = {
        	mode : 'fixed',	//弹出式pop，固定fixed
        	defaultNum : 4,	//默认的文字数量
		    checkNum : 3,	//校对的文字数量
		    vSpace : 5,	//间隔
		    imgUrl : 'images/',
        	imgName : ['1.jpg', '2.jpg'],
        	imgSize : {
	        	width: '400px',
	        	height: '200px',
	        },
	        barSize : {
	        	width : '400px',
	        	height : '40px',
	        },
	        ready : function(){},
        	success : function(){},
            error : function(){}
        },
        this.options = $.extend({}, this.defaults, opt)
    };

    //定义Points的方法
    Points.prototype = {
    	init : function() {

			var _this = this;

			//加载页面
        	_this.loadDom();

        	_this.refresh();
        	_this.options.ready();

        	this.$element[0].onselectstart = document.body.ondrag = function(){
				return false;
			};


			if(this.options.mode == 'pop')	{
        		this.$element.on('mouseover', function(e){
        			_this.showImg();
	        	});

	        	this.$element.on('mouseout', function(e){
	        		_this.hideImg();
	        	});


	        	this.htmlDoms.out_panel.on('mouseover', function(e){
	        		_this.showImg();
	        	});

	        	this.htmlDoms.out_panel.on('mouseout', function(e){
	        		_this.hideImg();
	        	});
        	}


		 	//点击事件比对
        	_this.$element.find('.verify-img-panel canvas').on('click', function(e) {

				_this.checkPosArr.push(_this.getMousePos(this, e));

				if(_this.num == _this.options.checkNum) {

					_this.num = _this.createPoint(_this.getMousePos(this, e));
					setTimeout(function () {
						var flag = _this.comparePos(_this.fontPos, _this.checkPosArr);

						if(flag == false) {	//验证失败

							_this.options.error(_this);
							_this.$element.find('.verify-bar-area').css({'color': '#d9534f', 'border-color': '#d9534f'});
						    _this.$element.find('.verify-msg').text('验证失败');

							setTimeout(function () {
								_this.$element.find('.verify-bar-area').css({'color': '#000','border-color': '#ddd'});
						    	_this.refresh();
						    }, 400);

						}else {	//验证成功
							_this.$element.find('.verify-bar-area').css({'color': '#4cae4c', 'border-color': '#5cb85c'});
							_this.$element.find('.verify-msg').text('验证成功');
							_this.$element.find('.verify-refresh').hide();
							_this.$element.find('.verify-img-panel').unbind('click');
							_this.options.success(_this);
						}
					}, 400);

				}

				if(_this.num < _this.options.checkNum) {
					_this.num = _this.createPoint(_this.getMousePos(this, e));
				}

        	});

        	 //刷新
            _this.$element.find('.verify-refresh').on('click', function() {
            	_this.refresh();
            });

    	},



    	//加载页面
    	loadDom : function() {

    		this.fontPos = [];	//选中的坐标信息
    		this.checkPosArr = [];	//用户点击的坐标
    		this.num = 1;	//点击的记数
    		this.img_rand = Math.floor(Math.random() * this.options.imgName.length);			//随机的背景图片

        	var panelHtml = '';
        	var tmpHtml = '';

        	this.setSize = Slide.prototype.resetSize(this);	//重新设置宽度高度

        	panelHtml += '<div class="verify-img-out"><div class="verify-img-panel"><div class="verify-refresh" style="z-index:3"><i class="iconfont icon-refresh"></i></div><canvas width="'+this.setSize.img_width+'" height="'+this.setSize.img_height+'"></canvas></div></div><div class="verify-bar-area"><span  class="verify-msg"></span></div>';

        	this.$element.append(panelHtml);


        	this.htmlDoms = {
        		out_panel : this.$element.find('.verify-img-out'),
        		img_panel : this.$element.find('.verify-img-panel'),
        		bar_area : this.$element.find('.verify-bar-area'),
        		msg : this.$element.find('.verify-msg'),
        	};

        	this.$element.css('position', 'relative');
        	if(this.options.mode == 'pop') {
        		this.htmlDoms.out_panel.css({'display': 'none', 'position': 'absolute', 'bottom': '42px'});
        	}else {
        		this.htmlDoms.out_panel.css({'position': 'relative'});
        	}

        	this.htmlDoms.out_panel.css('height', parseInt(this.setSize.img_height) + this.options.vSpace + 'px');
    		this.htmlDoms.img_panel.css({'width': this.setSize.img_width, 'height': this.setSize.img_height, 'background-size' : this.setSize.img_width + ' '+ this.setSize.img_height, 'margin-bottom': this.options.vSpace + 'px'});
    		this.htmlDoms.bar_area.css({'width': this.options.barSize.width, 'height': this.options.barSize.height, 'line-height':this.options.barSize.height});

    	},

    	//绘制合成的图片
    	drawImg : function(obj, img) {
    		//准备canvas环境
	       	var canvas = this.$element.find('canvas')[0];
	      	//var canvas=document.getElementById("myCanvas");
	       	var ctx=canvas.getContext("2d");

	       	// 绘制图片
	       	ctx.drawImage(img,0,0, parseInt(this.setSize.img_width), parseInt(this.setSize.img_height));

	       	// 绘制水印
	       	var fontSizeArr = ['italic small-caps bold 20px microsoft yahei', 'small-caps normal 25px arial', '34px microsoft yahei'];
	       	var fontStr = '天地玄黄宇宙洪荒日月盈昃辰宿列张寒来暑往秋收冬藏闰余成岁律吕调阳云腾致雨露结为霜金生丽水玉出昆冈剑号巨阙珠称夜光果珍李柰菜重芥姜海咸河淡鳞潜羽翔龙师火帝鸟官人皇始制文字乃服衣裳推位让国有虞陶唐吊民伐罪周发殷汤坐朝问道垂拱平章爱育黎首臣伏戎羌遐迩体率宾归王';	//不重复的汉字


	       	var fontChars = [];

	       	var avg = Math.floor(parseInt(this.setSize.img_width)/(parseInt(this.options.defaultNum)+1));
	       	var tmp_index = '';
	       	var color2Num = Math.floor(Math.random() * 5);

	       	for(var i = 1; i <= this.options.defaultNum; i++) {

	       		fontChars[i-1] = this.getChars(fontStr, fontChars);

	       		tmp_index = Math.floor(Math.random()*3);
	       		ctx.font = fontSizeArr[tmp_index];
		       	ctx.fillStyle = _code_color2[color2Num];

		       	if(Math.floor(Math.random() * 2) == 1) {
		       		var tmp_y = Math.floor(parseInt(this.setSize.img_height)/2) + tmp_index*20 + 20;
		       	}else {
		       		var tmp_y = Math.floor(parseInt(this.setSize.img_height)/2) - tmp_index*20;
		       	}

		       	ctx.fillText(fontChars[i-1],avg * i, tmp_y);
		       	this.fontPos[i-1] = {'char': fontChars[i-1], 'x': avg * i, 'y': tmp_y};

	       	}

	       	for(var i = 0; i < (this.options.defaultNum-this.options.checkNum); i++) {
	       		this.shuffle(this.fontPos).pop();
	       	}

	       	var msgStr = '';
	       	for(var i = 0; i < this.fontPos.length; i++) {
	       		msgStr += this.fontPos[i].char + ',';
	       	}

	       	this.htmlDoms.msg.text('请顺序点击【' + msgStr.substring(0,msgStr.length-1) + '】');

	       	return this.fontPos;
    	},

    	//获取坐标
    	getMousePos :function(obj, event) {
            var e = event || window.event;
            var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
            var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
            var x = e.clientX - ($(obj).offset().left - $(window).scrollLeft());
    		var y = e.clientY - ($(obj).offset().top - $(window).scrollTop());

            return {'x': x, 'y': y};
     	},

     	//递归去重
     	getChars : function(fontStr, fontChars) {

     		var tmp_rand = parseInt(Math.floor(Math.random() * fontStr.length));
     		if(tmp_rand > 0) {
     			tmp_rand = tmp_rand - 1;
     		}

     		tmp_char = fontStr.charAt(tmp_rand);
       		if($.inArray(tmp_char, fontChars) == -1) {
       			return tmp_char;
       		}else {
       			return Points.prototype.getChars(fontStr, fontChars);
       		}
     	},

     	//洗牌数组
       	shuffle : function(arr) {
			var m = arr.length, i;
			var tmpF;
			while (m) {
				i = (Math.random() * m--) >>> 0;
				tmpF = arr[m];
				arr[m] = arr[i];
				arr[i] = tmpF;
				//[arr[m], arr[i]] = [arr[i], arr[m]];	//低版本浏览器不支持此写法
			}
			return arr;
		},

       	//创建坐标点
       	createPoint : function (pos) {
       		this.htmlDoms.img_panel.append('<div class="point-area" style="background-color:#1abd6c;color:#fff;z-index:9999;width:30px;height:30px;text-align:center;line-height:30px;border-radius: 50%;position:absolute;top:'+parseInt(pos.y-10)+'px;left:'+parseInt(pos.x-10)+'px;">'+this.num+'</div>');
       		return ++this.num;
       	},

       	//比对坐标点
       	comparePos : function (fontPos, checkPosArr) {

       		var flag = true;
       		for(var i = 0; i < fontPos.length; i++) {
       			if(!(parseInt(checkPosArr[i].x) + 40 > fontPos[i].x && parseInt(checkPosArr[i].x) - 40 < fontPos[i].x && parseInt(checkPosArr[i].y) + 40 > fontPos[i].y && parseInt(checkPosArr[i].y) - 40 < fontPos[i].y)) {
       				flag = false;
       				break;
       			}
       		}

       		return flag;
       	},

       	//弹出式
        showImg : function() {
        	this.htmlDoms.out_panel.css({'display': 'block'});
        },

        //固定式
        hideImg : function() {
        	this.htmlDoms.out_panel.css({'display': 'none'});
        },

       	//刷新
        refresh: function() {
        	var _this = this;
        	this.$element.find('.point-area').remove();
        	this.fontPos = [];
        	this.checkPosArr = [];
        	this.num = 1;

        	this.img_rand = Math.floor(Math.random() * this.options.imgName.length);			//随机的背景图片
        	var img = new Image();
		    img.src = this.options.imgUrl +this.options.imgName[this.img_rand];


		 	// 加载完成开始绘制
		 	$(img).on('load', function(e) {
        		this.fontPos = _this.drawImg(_this, this);
        	});

        	_this.$element.find('.verify-bar-area').css({'color': '#000', 'border-color': '#ddd'});
			_this.$element.find('.verify-msg').text('验证失败');
			_this.$element.find('.verify-refresh').show();
        },

    };

    //在插件中使用codeVerify对象
    $.fn.codeVerify = function(options, callbacks) {
        var code = new Code(this, options);
        code.init();
    };

    //在插件中使用slideVerify对象
    $.fn.slideVerify = function(options, callbacks) {
        var slide = new Slide(this, options);
        slide.init();
    };

    //在插件中使用clickVerify对象
    $.fn.pointsVerify = function(options, callbacks) {
        var points = new Points(this, options);
        points.init();
    };

})(jQuery, window, document);
