/*
 * uCharts v1.7.0.4
 * uni-app平台高性能跨全端图表
 * 支持H5、APP、小程序（微信/支付宝/百度/头条）
 * Designed by QIUN秋云
 * 
 * uCharts官方网站
 * https://www.uCharts.cn
 * 
 * 开源地址:
 * https://github.com/16cheng/uCharts(停更)
 * 开源地址即将变更为：
 * https://gitee.com/qiuyunkeji/uCharts(尚未上传)
 * 开源协议变更为Apache-2.0
 * 
 * uni-app插件市场地址：
 * http://ext.dcloud.net.cn/plugin?id=271
 * 
 * 主要更新记录
 * 2019-04-01
 * 改造为兼容uni-app的uCharts
 * 2019-04-14
 * 支持支付宝/百度/头条小程序实现跨全端
 * 2019-04-15
 * 支持横屏模式，新增rotate参数，默认flase
 * 2019-04-16
 * 新增圆弧进度图，图表类型arcbar
 * 2019-04-22
 * 修改图表拖拽功能跨端支持，增加拖拽时显示滚动条
 * 2019-04-28
 * 新增柱状图自定义颜色
 * 2019-05-01
 * 新增仪表盘图
 * 2019-05-14
 * 新增K线图
 * 2019-05-20
 * 新增混合图、堆叠图、温度计图、柱状图类ToolTip效果
 * 
 * 
 */

'use strict';

var config = {
    yAxisWidth: 15,
    yAxisSplit: 5,
    xAxisHeight: 15,
    xAxisLineHeight: 15,
    legendHeight: 15,
    yAxisTitleWidth: 15,
    padding: 12,
	pixelRatio:1,//适配H5高分屏
	rotate:false,//横屏模式
    columePadding: 3,
    fontSize: 13,
    //dataPointShape: ['diamond', 'circle', 'triangle', 'rect'],
	dataPointShape: ['circle', 'circle', 'circle', 'circle'],//仿F2图例样式改为圆点
    colors: ['#0B80E3', '#FC9F32', '#facc14', '#f04864', '#8543e0', '#90ed7d'],
    pieChartLinePadding: 15,
    pieChartTextPadding: 5,
    xAxisTextPadding: 3,
    titleColor: '#333333',
    titleFontSize: 20,
    subtitleColor: '#999999',
    subtitleFontSize: 15,
    toolTipPadding: 3,
    toolTipBackground: '#000000',
    toolTipOpacity: 0.7,
    toolTipLineHeight: 20,
    radarGridCount: 3,
    radarLabelTextMargin: 15,
	gaugeLabelTextMargin:15
};

// Object.assign polyfill
// https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
function assign(target, varArgs) {
    if (target == null) {
        // TypeError if undefined or null
        throw new TypeError('Cannot convert undefined or null to object');
    }

    var to = Object(target);

    for (var index = 1; index < arguments.length; index++) {
        var nextSource = arguments[index];

        if (nextSource != null) {
            // Skip over if undefined or null
            for (var nextKey in nextSource) {
                // Avoid bugs when hasOwnProperty is shadowed
                if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
                    to[nextKey] = nextSource[nextKey];
                }
            }
        }
    }
    return to;
}

var util = {
    toFixed: function toFixed(num, limit) {
        limit = limit || 2;
        if (this.isFloat(num)) {
            num = num.toFixed(limit);
        }
        return num;
    },
    isFloat: function isFloat(num) {
        return num % 1 !== 0;
    },
    approximatelyEqual: function approximatelyEqual(num1, num2) {
        return Math.abs(num1 - num2) < 1e-10;
    },
    isSameSign: function isSameSign(num1, num2) {
        return Math.abs(num1) === num1 && Math.abs(num2) === num2 || Math.abs(num1) !== num1 && Math.abs(num2) !== num2;
    },
    isSameXCoordinateArea: function isSameXCoordinateArea(p1, p2) {
        return this.isSameSign(p1.x, p2.x);
    },
    isCollision: function isCollision(obj1, obj2) {
        obj1.end = {};
        obj1.end.x = obj1.start.x + obj1.width;
        obj1.end.y = obj1.start.y - obj1.height;
        obj2.end = {};
        obj2.end.x = obj2.start.x + obj2.width;
        obj2.end.y = obj2.start.y - obj2.height;
        var flag = obj2.start.x > obj1.end.x || obj2.end.x < obj1.start.x || obj2.end.y > obj1.start.y || obj2.start.y < obj1.end.y;

        return !flag;
    }
};

// hex 转 rgba
function hexToRgb(hexValue, opc) {
    var rgx = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
    var hex = hexValue.replace(rgx, function (m, r, g, b) {
        return r + r + g + g + b + b;
    });
    var rgb = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
    var r = parseInt(rgb[1], 16);
    var g = parseInt(rgb[2], 16);
    var b = parseInt(rgb[3], 16);
    return 'rgba(' + r + ',' + g + ',' + b + ',' + opc + ')';
}

function findRange(num, type, limit) {
    if (isNaN(num)) {
        throw new Error('[wxCharts] unvalid series data!');
    }
    limit = limit || 10;
    type = type ? type : 'upper';
    var multiple = 1;
    while (limit < 1) {
        limit *= 10;
        multiple *= 10;
    }
    if (type === 'upper') {
        num = Math.ceil(num * multiple);
    } else {
        num = Math.floor(num * multiple);
    }
    while (num % limit !== 0) {
        if (type === 'upper') {
            num++;
        } else {
            num--;
        }
    }

    return num / multiple;
}

function calValidDistance(distance, chartData, config, opts) {

    var dataChartAreaWidth = opts.width - config.padding - chartData.xAxisPoints[0];
    var dataChartWidth = chartData.eachSpacing * opts.categories.length;
    var validDistance = distance;
    if (distance >= 0) {
        validDistance = 0;
    } else if (Math.abs(distance) >= dataChartWidth - dataChartAreaWidth) {
        validDistance = dataChartAreaWidth - dataChartWidth;
    }
    return validDistance;
}

function isInAngleRange(angle, startAngle, endAngle) {
    function adjust(angle) {
        while (angle < 0) {
            angle += 2 * Math.PI;
        }
        while (angle > 2 * Math.PI) {
            angle -= 2 * Math.PI;
        }

        return angle;
    }

    angle = adjust(angle);
    startAngle = adjust(startAngle);
    endAngle = adjust(endAngle);
    if (startAngle > endAngle) {
        endAngle += 2 * Math.PI;
        if (angle < startAngle) {
            angle += 2 * Math.PI;
        }
    }

    return angle >= startAngle && angle <= endAngle;
}

function calRotateTranslate(x, y, h) {
    var xv = x;
    var yv = h - y;

    var transX = xv + (h - yv - xv) / Math.sqrt(2);
    transX *= -1;

    var transY = (h - yv) * (Math.sqrt(2) - 1) - (h - yv - xv) / Math.sqrt(2);

    return {
        transX: transX,
        transY: transY
    };
}

function createCurveControlPoints(points, i) {

    function isNotMiddlePoint(points, i) {
        if (points[i - 1] && points[i + 1]) {
            return points[i].y >= Math.max(points[i - 1].y, points[i + 1].y) || points[i].y <= Math.min(points[i - 1].y, points[i + 1].y);
        } else {
            return false;
        }
    }

    var a = 0.2;
    var b = 0.2;
    var pAx = null;
    var pAy = null;
    var pBx = null;
    var pBy = null;
    if (i < 1) {
        pAx = points[0].x + (points[1].x - points[0].x) * a;
        pAy = points[0].y + (points[1].y - points[0].y) * a;
    } else {
        pAx = points[i].x + (points[i + 1].x - points[i - 1].x) * a;
        pAy = points[i].y + (points[i + 1].y - points[i - 1].y) * a;
    }

    if (i > points.length - 3) {
        var last = points.length - 1;
        pBx = points[last].x - (points[last].x - points[last - 1].x) * b;
        pBy = points[last].y - (points[last].y - points[last - 1].y) * b;
    } else {
        pBx = points[i + 1].x - (points[i + 2].x - points[i].x) * b;
        pBy = points[i + 1].y - (points[i + 2].y - points[i].y) * b;
    }

    // fix issue https://github.com/xiaolin3303/wx-charts/issues/79
    if (isNotMiddlePoint(points, i + 1)) {
        pBy = points[i + 1].y;
    }
    if (isNotMiddlePoint(points, i)) {
        pAy = points[i].y;
    }

    return {
        ctrA: { x: pAx, y: pAy },
        ctrB: { x: pBx, y: pBy }
    };
}

function convertCoordinateOrigin(x, y, center) {
    return {
        x: center.x + x,
        y: center.y - y
    };
}

function avoidCollision(obj, target) {
    if (target) {
        // is collision test
        while (util.isCollision(obj, target)) {
            if (obj.start.x > 0) {
                obj.start.y--;
            } else if (obj.start.x < 0) {
                obj.start.y++;
            } else {
                if (obj.start.y > 0) {
                    obj.start.y++;
                } else {
                    obj.start.y--;
                }
            }
        }
    }
    return obj;
}

function fillSeriesColor(series, config) {
    var index = 0;
    return series.map(function (item) {
        if (!item.color) {
            item.color = config.colors[index];
            index = (index + 1) % config.colors.length;
        }
        return item;
    });
}

function fillSeriesType(series, opts) {
    return series.map(function (item) {
        if (!item.type) {
            item.type = opts.type;
        }
        return item;
    });
}

function getDataRange(minData, maxData) {
    var limit = 0;
    var range = maxData - minData;
    if (range >= 10000) {
        limit = 1000;
    } else if (range >= 1000) {
        limit = 100;
    } else if (range >= 100) {
        limit = 10;
    } else if (range >= 10) {
        limit = 5;
    } else if (range >= 1) {
        limit = 1;
    } else if (range >= 0.1) {
        limit = 0.1;
    } else {
        limit = 0.01;
    }
    return {
        minRange: findRange(minData, 'lower', limit),
        maxRange: findRange(maxData, 'upper', limit)
    };
}

function measureText(text) {
    var fontSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : config.fontSize;

    // wx canvas 未实现measureText方法, 此处自行实现
	// 适配修改初始字体10px为其他大小的方法
    text = String(text);
    var text = text.split('');
    var width = 0;
    text.forEach(function (item) {
        if (/[a-zA-Z]/.test(item)) {
            width += 7;
        } else if (/[0-9]/.test(item)) {
            width += 5.5;
        } else if (/\./.test(item)) {
            width += 2.7;
        } else if (/-/.test(item)) {
            width += 3.25;
        } else if (/[\u4e00-\u9fa5]/.test(item)) {
            width += 10;
        } else if (/\(|\)/.test(item)) {
            width += 3.73;
        } else if (/\s/.test(item)) {
            width += 2.5;
        } else if (/%/.test(item)) {
            width += 8;
        } else {
            width += 10;
        }
    });
    return width * fontSize / 10 ;
}

function dataCombine(series) {
    return series.reduce(function (a, b) {
        return (a.data ? a.data : a).concat(b.data);
    }, []);
}

function dataCombineStack(series) {
	var sum = new Array(series[0].data.length);
	for(var j = 0; j < sum.length; j++) {
			sum[j] =0;
	}
	for(var i = 0; i < series.length; i++) {
	  for(var j = 0; j < sum.length; j++) {
		sum[j] += series[i].data[j];
	  }
	}
	return series.reduce(function (a, b) {
	    return (a.data ? a.data : a).concat(b.data).concat(sum);
	}, []);
}

function getTouches(touches, opts, e){
	let x,y;
	if(touches.clientX){
		if(opts.rotate){//适配横屏
			y = opts.height-touches.clientX*opts.pixelRatio;
			x = (touches.pageY-e.mp.currentTarget.offsetTop-(opts.height/opts.pixelRatio/2)*(opts.pixelRatio-1))*opts.pixelRatio;
		}else{
			x = touches.clientX*opts.pixelRatio;
			y = (touches.pageY-e.mp.currentTarget.offsetTop-(opts.height/opts.pixelRatio/2)*(opts.pixelRatio-1))*opts.pixelRatio;
		}
	}else{
		if(opts.rotate){//适配横屏
			y = opts.height-touches.x*opts.pixelRatio;
			x = touches.y*opts.pixelRatio;
		}else{
			x = touches.x*opts.pixelRatio;
			y = touches.y*opts.pixelRatio;
		}
	}
	return{x:x,y:y}
}

function getSeriesDataItem(series, index) {
    var data = [];
    series.forEach(function (item) {
        if (item.data[index] !== null && typeof item.data[index] !== 'undefined') {
            var seriesItem = {};
            seriesItem.color = item.color;
            seriesItem.name = item.name;
            seriesItem.data = item.format ? item.format(item.data[index]) : item.data[index];
            data.push(seriesItem);
        }
    });

    return data;
}

function getMaxTextListLength(list) {
    var lengthList = list.map(function (item) {
        return measureText(item);
    });
    return Math.max.apply(null, lengthList);
}

function getRadarCoordinateSeries(length) {
    var eachAngle = 2 * Math.PI / length;
    var CoordinateSeries = [];
    for (var i = 0; i < length; i++) {
        CoordinateSeries.push(eachAngle * i);
    }

    return CoordinateSeries.map(function (item) {
        return -1 * item + Math.PI / 2;
    });
}

function getToolTipData(seriesData, calPoints, index, categories) {
    var option = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};

    var textList = seriesData.map(function (item) {
        return {
            text: option.format ? option.format(item, categories[index]) : item.name + ': ' + item.data,
            color: item.color
        };
    });
    var validCalPoints = [];
    var offset = {
        x: 0,
        y: 0
    };
    calPoints.forEach(function (points) {
        if (typeof points[index] !== 'undefined' && points[index] !== null) {
            validCalPoints.push(points[index]);
        }
    });
    validCalPoints.forEach(function (item) {
        offset.x = Math.round(item.x);
        offset.y += item.y;
    });

    offset.y /= validCalPoints.length;
    return { textList: textList, offset: offset };
}

function getCandleToolTipData(series,seriesData, calPoints, index, categories,extra) {
    var option = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : {};
	let upColor = extra.color.upFill;
	let downColor = extra.color.downFill;
	//颜色顺序为开盘，收盘，最低，最高
	let color=[upColor,upColor,downColor,upColor];
    var textList = [];
	let text0={
		text: categories[index],
		color: null
	};
	textList.push(text0);
	seriesData.map(function (item) {
		//console.log(color)
		if(index==0 && item.data[1]-item.data[0]<0){
			color[1]=downColor;
		}else{
			if(item.data[0]<series[index-1][1]){
				color[0]=downColor;
			}
			if(item.data[1]<item.data[0]){
				color[1]=downColor;
			}
			if(item.data[2]>series[index-1][1]){
				color[2]=upColor;
			}
			if(item.data[3]<series[index-1][1]){
				color[3]=downColor;
			}
		}
		
		let text1={
			text: '开盘：'+item.data[0],
			color: color[0]
		};
		let text2={
			text: '收盘：'+item.data[1],
			color: color[1]
		};
		let text3={
			text: '最低：'+item.data[2],
			color: color[2]
		};
		let text4={
			text: '最高：'+item.data[3],
			color: color[3]
		};
		textList.push(text1,text2,text3,text4);
    });
    var validCalPoints = [];
    var offset = {
        x: 0,
        y: 0
    };
    calPoints.forEach(function (points) {
        if (typeof points[index] !== 'undefined' && points[index] !== null) {
            validCalPoints.push(points[index]);
        }
    });
	offset.x=Math.round(validCalPoints[0][0].x);
    return { textList: textList, offset: offset };
}

function findCurrentIndex(currentPoints, xAxisPoints, opts, config) {
    var offset = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0;
    var currentIndex = -1;
    if (isInExactChartArea(currentPoints, opts, config)) {
        xAxisPoints.forEach(function (item, index) {
            if (currentPoints.x + offset > item) {
                currentIndex = index;
            }
        });
    }

    return currentIndex;
}

function isInExactChartArea(currentPoints, opts, config) {
    return currentPoints.x < opts.width - config.padding && currentPoints.x > config.padding + config.yAxisWidth + config.yAxisTitleWidth && currentPoints.y > config.padding && currentPoints.y < opts.height - config.legendHeight - config.xAxisHeight - config.padding;
}

function findRadarChartCurrentIndex(currentPoints, radarData, count) {
    var eachAngleArea = 2 * Math.PI / count;
    var currentIndex = -1;
    if (isInExactPieChartArea(currentPoints, radarData.center, radarData.radius)) {
        var fixAngle = function fixAngle(angle) {
            if (angle < 0) {
                angle += 2 * Math.PI;
            }
            if (angle > 2 * Math.PI) {
                angle -= 2 * Math.PI;
            }
            return angle;
        };

        var angle = Math.atan2(radarData.center.y - currentPoints.y, currentPoints.x - radarData.center.x);
        angle = -1 * angle;
        if (angle < 0) {
            angle += 2 * Math.PI;
        }

        var angleList = radarData.angleList.map(function (item) {
            item = fixAngle(-1 * item);

            return item;
        });

        angleList.forEach(function (item, index) {
            var rangeStart = fixAngle(item - eachAngleArea / 2);
            var rangeEnd = fixAngle(item + eachAngleArea / 2);
            if (rangeEnd < rangeStart) {
                rangeEnd += 2 * Math.PI;
            }
            if (angle >= rangeStart && angle <= rangeEnd || angle + 2 * Math.PI >= rangeStart && angle + 2 * Math.PI <= rangeEnd) {
                currentIndex = index;
            }
        });
    }

    return currentIndex;
}

function findPieChartCurrentIndex(currentPoints, pieData) {
    var currentIndex = -1;
    if (isInExactPieChartArea(currentPoints, pieData.center, pieData.radius)) {
        var angle = Math.atan2(pieData.center.y - currentPoints.y, currentPoints.x - pieData.center.x);
        angle = -angle;
        for (var i = 0, len = pieData.series.length; i < len; i++) {
            var item = pieData.series[i];
            if (isInAngleRange(angle, item._start_, item._start_ + item._proportion_ * 2 * Math.PI)) {
                currentIndex = i;
                break;
            }
        }
    }

    return currentIndex;
}

function isInExactPieChartArea(currentPoints, center, radius) {
    return Math.pow(currentPoints.x - center.x, 2) + Math.pow(currentPoints.y - center.y, 2) <= Math.pow(radius, 2);
}

function splitPoints(points) {
    var newPoints = [];
    var items = [];
    points.forEach(function (item, index) {
        if (item !== null) {
            items.push(item);
        } else {
            if (items.length) {
                newPoints.push(items);
            }
            items = [];
        }
    });
    if (items.length) {
        newPoints.push(items);
    }

    return newPoints;
}

function calLegendData(series, opts, config) {
    if (opts.legend === false) {
        return {
            legendList: [],
            legendHeight: 0
        };
    }
	//适配H5高分屏
    var padding = 5*opts.pixelRatio;
    var marginTop = 8*opts.pixelRatio;
    var shapeWidth = 15*opts.pixelRatio;
    var legendList = [];
    var widthCount = 0;
    var currentRow = [];
    series.forEach(function (item) {
        var itemWidth = 3 * padding + shapeWidth + measureText(item.name || 'undefined');
        if (widthCount + itemWidth > opts.width) {
            legendList.push(currentRow);
            widthCount = itemWidth;
            currentRow = [item];
        } else {
            widthCount += itemWidth;
            currentRow.push(item);
        }
    });
    if (currentRow.length) {
        legendList.push(currentRow);
    }

    return {
        legendList: legendList,
        legendHeight: legendList.length * (config.fontSize + marginTop) + padding
    };
}

function calCategoriesData(categories, opts, config) {
    var result = {
        angle: 0,
        xAxisHeight: config.xAxisHeight
    };

    var _getXAxisPoints = getXAxisPoints(categories, opts, config),
        eachSpacing = _getXAxisPoints.eachSpacing;

    // get max length of categories text


    var categoriesTextLenth = categories.map(function (item) {
        return measureText(item);
    });
	
    var maxTextLength = Math.max.apply(this, categoriesTextLenth);

    if (opts.xAxis.rotateLabel==true && maxTextLength + 2 * config.xAxisTextPadding > eachSpacing) {
        result.angle = 45 * Math.PI / 180;
        result.xAxisHeight = 2 * config.xAxisTextPadding + maxTextLength * Math.sin(result.angle);
    }
	
    return result;
}

function getRadarDataPoints(angleList, center, radius, series, opts) {
    var process = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 1;

    var radarOption = opts.extra.radar || {};
    radarOption.max = radarOption.max || 0;
    var maxData = Math.max(radarOption.max, Math.max.apply(null, dataCombine(series)));

    var data = [];
    series.forEach(function (each) {
        var listItem = {};
        listItem.color = each.color;
        listItem.data = [];
        each.data.forEach(function (item, index) {
            var tmp = {};
            tmp.angle = angleList[index];

            tmp.proportion = item / maxData;
            tmp.position = convertCoordinateOrigin(radius * tmp.proportion * process * Math.cos(tmp.angle), radius * tmp.proportion * process * Math.sin(tmp.angle), center);
            listItem.data.push(tmp);
        });

        data.push(listItem);
    });

    return data;
}

function getPieDataPoints(series) {
    var process = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;

    var count = 0;
    var _start_ = 0;
    series.forEach(function (item) {
        item.data = item.data === null ? 0 : item.data;
        count += item.data;
    });
    series.forEach(function (item) {
        item.data = item.data === null ? 0 : item.data;
        item._proportion_ = item.data / count * process;
    });
    series.forEach(function (item) {
        item._start_ = _start_;
        _start_ += 2 * item._proportion_ * Math.PI;
    });

    return series;
}

function getArcbarDataPoints(series,arcbarOption) {
    var process = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
	if(process==1){
		process=0.999999;
	}
    series.forEach(function (item) {
        item.data = item.data === null ? 0 : item.data;
		let totalAngle;
		if(arcbarOption.type=='default'){
			totalAngle=arcbarOption.startAngle-arcbarOption.endAngle+1;
		}else{
			totalAngle=2;
		}
		item._proportion_ = totalAngle * item.data* process + arcbarOption.startAngle;
		if (item._proportion_ >= 2) {
			item._proportion_ = item._proportion_ % 2;
		}
    });
    return series;
}

function getGaugeAxisPoints(categories,startAngle,endAngle) {
	let totalAngle=startAngle-endAngle+1;
	let tempStartAngle=startAngle;
	for(let i=0 ; i<categories.length; i++){
		categories[i].value = categories[i].value === null ? 0 : categories[i].value;
		categories[i]._startAngle_=tempStartAngle;
		categories[i]._endAngle_=totalAngle* categories[i].value + startAngle;
		if (categories[i]._endAngle_ >= 2) {
			categories[i]._endAngle_ = categories[i]._endAngle_ % 2;
		}
		tempStartAngle=categories[i]._endAngle_;
	}
	return categories;
}

function getGaugeDataPoints(series,categories,gaugeOption) {
    var process = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 1;
    series.forEach(function (item) {
        item.data = item.data === null ? 0 : item.data;
		if(gaugeOption.pointer.color=='auto'){
			for(let i=0 ;i<categories.length;i++){
				if(item.data<=categories[i].value){
					item.color=categories[i].color;
					break;
				}
			}
		}else{
			item.color=gaugeOption.pointer.color;
		}
		let totalAngle=gaugeOption.startAngle-gaugeOption.endAngle+1;
		item._endAngle_=totalAngle * item.data + gaugeOption.startAngle;
		item._oldAngle_=gaugeOption.oldAngle;
		if(gaugeOption.oldAngle<gaugeOption.endAngle){
			item._oldAngle_+=2;
		}
		if(item.data>=gaugeOption.oldData){
			item._proportion_ = (item._endAngle_-item._oldAngle_)* process+gaugeOption.oldAngle;
		}else{
			item._proportion_ =item._oldAngle_- (item._oldAngle_-item._endAngle_)* process;
		}
		if (item._proportion_ >= 2) {
			item._proportion_ = item._proportion_ % 2;
		}
    });
    return series;
}


function getPieTextMaxLength(series) {
    series = getPieDataPoints(series);
    var maxLength = 0;
    series.forEach(function (item) {
        var text = item.format ? item.format(+item._proportion_.toFixed(2)) : util.toFixed(item._proportion_ * 100) + '%';
        maxLength = Math.max(maxLength, measureText(text));
    });

    return maxLength;
}

function fixColumeData(points, eachSpacing, columnLen, index, config, opts) {
    return points.map(function (item) {
        if (item === null) {
            return null;
        }
        item.width = (eachSpacing - 2 * config.columePadding) / columnLen;

        if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) {
            // customer column width
            item.width = Math.min(item.width, +opts.extra.column.width);
        } else {
            // default width should less tran 25px
            // don't ask me why, I don't know
            item.width = Math.min(item.width, 25);
        }
        item.x += (index + 0.5 - columnLen / 2) * item.width;

        return item;
    });
}

function fixColumeMeterData(points, eachSpacing, columnLen, index, config, opts, border) {
    return points.map(function (item) {
        if (item === null) {
            return null;
        }
        item.width = eachSpacing - 2 * config.columePadding;

        if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) {
            item.width = Math.min(item.width, +opts.extra.column.width);
        } else {
            item.width = Math.min(item.width, 25);
        }
		if(index>0){
			item.width -= 2*border;
		}
        return item;
    });
}

function fixColumeStackData(points, eachSpacing, columnLen, index, config, opts,series) {
	
    return points.map(function (item,indexn) {
		
        if (item === null) {
            return null;
        }
        item.width = eachSpacing - 2 * config.columePadding;

        if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) {
            item.width = Math.min(item.width, +opts.extra.column.width);
        } else {
            item.width = Math.min(item.width, 25);
        }
        return item;
    });
}

function getXAxisPoints(categories, opts, config) {
    var yAxisTotalWidth = config.yAxisWidth + config.yAxisTitleWidth;
    var spacingValid = opts.width - 2 * config.padding - yAxisTotalWidth;
    var dataCount = opts.enableScroll ? Math.min(opts.xAxis.itemCount, categories.length) : categories.length;
    var eachSpacing = spacingValid / dataCount;

    var xAxisPoints = [];
    var startX = config.padding + yAxisTotalWidth;
    var endX = opts.width - config.padding;
    categories.forEach(function (item, index) {
        xAxisPoints.push(startX + index * eachSpacing);
    });
    if (opts.enableScroll === true) {
        xAxisPoints.push(startX + categories.length * eachSpacing);
    } else {
        xAxisPoints.push(endX);
    }

    return { xAxisPoints: xAxisPoints, startX: startX, endX: endX, eachSpacing: eachSpacing };
}

function getCandleDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config) {
    var process = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : 1;

    var points = [];
    var validHeight = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight;
    data.forEach(function (item, index) {
        if (item === null) {
            points.push(null);
        } else {
			var cPoints = [];
			item.forEach(function (items, indexs) {
				 var point = {};
				 point.x = xAxisPoints[index] + Math.round(eachSpacing / 2);
				 var value = items.value || items;
				 var height = validHeight * (value - minRange) / (maxRange - minRange);
				 height *= process;
				 point.y = opts.height - config.xAxisHeight - config.legendHeight - Math.round(height) - config.padding;
				 cPoints.push(point);
			});
            points.push(cPoints);
        }
    });

    return points;
}

function getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config) {
    var process = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : 1;

    var points = [];
    var validHeight = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight;
    data.forEach(function (item, index) {
        if (item === null) {
            points.push(null);
        } else {
            var point = {};
			point.color = item.color;
            point.x = xAxisPoints[index] + Math.round(eachSpacing / 2);
			var value = item.value || item;
            var height = validHeight * (value - minRange) / (maxRange - minRange);
            height *= process;
            point.y = opts.height - config.xAxisHeight - config.legendHeight - Math.round(height) - config.padding;
            points.push(point);
        }
    });

    return points;
}

function getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config,seriesIndex, stackSeries) {
    var process = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : 1;
    var points = [];
    var validHeight = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight;
	
    data.forEach(function (item, index) {
        if (item === null) {
            points.push(null);
        } else {
            var point = {};
			point.color = item.color;
            point.x = xAxisPoints[index] + Math.round(eachSpacing / 2);
			
			if(seriesIndex>0){
				var value=0;
				for(let i=0;i<=seriesIndex;i++){
					value+=stackSeries[i].data[index];
				}
				var value0 = value-item;
				var height = validHeight * (value - minRange) / (maxRange - minRange);
				var height0 = validHeight * (value0 - minRange) / (maxRange - minRange);
			}else{
				var value = item;
				var height = validHeight * (value - minRange) / (maxRange - minRange);
				var height0 = 0;
			}
			var heightc=height0;
            height *= process;
			heightc *= process;
			point.y = opts.height - config.xAxisHeight - config.legendHeight - Math.round(height) - config.padding;
			point.y0 = opts.height - config.xAxisHeight - config.legendHeight - Math.round(heightc) - config.padding;
            points.push(point);
        }
    });

    return points;
}

function getYAxisTextList(series, opts, config ,stack) {
	var data;
	if(stack=='stack'){
		//data = dataCombine(series);
		data = dataCombineStack(series);
	}else{
		data = dataCombine(series);
	}
	
	var sorted = [];
    // remove null from data
    data = data.filter(function (item) {
        //return item !== null;
		if(typeof item === 'object' && item !== null) {
			//判断是否为数组
			if(item.constructor == Array){
				return item !== null;
			}else{
				return item.value !== null;
			}
        } else {
            return item !== null;
        }
    });
    //var minData = Math.min.apply(this, data);
    //var maxData = Math.max.apply(this, data);
	data.map((item)=>{
		if(typeof item === 'object') {
			if(item.constructor == Array){
				item.map((subitem)=>{
					sorted.push(subitem);
				})
			}else{
				sorted.push(item.value);
			}
		} else {
		    sorted.push(item);
		}
        //typeof item === 'object' ? sorted.push(item.value) : sorted.push(item)
    })
	var minData = 0;
	var maxData = 0;
	if(sorted.length>0){
		minData = Math.min.apply(this, sorted);
		maxData = Math.max.apply(this, sorted);
	}
    if (typeof opts.yAxis.min === 'number') {
       minData = Math.min(opts.yAxis.min, minData);
    }
    if (typeof opts.yAxis.max === 'number') {
        maxData = Math.max(opts.yAxis.max, maxData);
    }

    // fix issue https://github.com/xiaolin3303/wx-charts/issues/9
    if (minData === maxData) {
        var rangeSpan = maxData || 10;
        //minData -= rangeSpan;
        maxData += rangeSpan;
    }

    var dataRange = getDataRange(minData, maxData);
    var minRange = dataRange.minRange;
    var maxRange = dataRange.maxRange;

    var range = [];
    var eachRange = (maxRange - minRange) / config.yAxisSplit;

    for (var i = 0; i <= config.yAxisSplit; i++) {
        range.push(minRange + eachRange * i);
    }
    return range.reverse();
}

function calYAxisData(series, opts, config) {
	//堆叠图重算Y轴
	var columnstyle=assign({},opts.extra.column||{"type":""});
	
    var ranges = getYAxisTextList(series, opts, config, columnstyle.type);
    var yAxisWidth = config.yAxisWidth;
    var rangesFormat = ranges.map(function (item) {
        item = util.toFixed(item, 2);
        item = opts.yAxis.format ? opts.yAxis.format(Number(item)) : item;
        yAxisWidth = Math.max(yAxisWidth, measureText(item) + 5);
        return item;
    });
    if (opts.yAxis.disabled === true) {
        yAxisWidth = 0;
    }

    return { rangesFormat: rangesFormat, ranges: ranges, yAxisWidth: yAxisWidth };
}

function calTooltipYAxisData(point,series, opts, config, eachSpacing) {
    var ranges = getYAxisTextList(series, opts, config);
	var spacingValid = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight;
	let maxVal=ranges[0];
	let minVal=ranges[ranges.length-1];
	let minAxis=config.padding;
	let maxAxis=config.padding+spacingValid;
	let item=maxVal-(maxVal-minVal)*(point-minAxis)/(maxAxis-minAxis);
	item = opts.yAxis.format ? opts.yAxis.format(Number(item)) : item;
    return item;
}

function contextRotate(context,opts) {
	if(opts.rotateLock!==true){
		context.translate(opts.height, 0);
		context.rotate(90 * Math.PI / 180);
	}else if(opts._rotate_!==true){
		context.translate(opts.height, 0);
		context.rotate(90 * Math.PI / 180);
		opts._rotate_=true;
	}
}
	
function drawPointShape(points, color, shape, context,opts) {
    context.beginPath();
    context.setStrokeStyle("#ffffff");
    context.setLineWidth(1*opts.pixelRatio);
    context.setFillStyle(color);
    if (shape === 'diamond') {
        points.forEach(function (item, index) {
            if (item !== null) {
                context.moveTo(item.x, item.y - 4.5);
                context.lineTo(item.x - 4.5, item.y);
                context.lineTo(item.x, item.y + 4.5);
                context.lineTo(item.x + 4.5, item.y);
                context.lineTo(item.x, item.y - 4.5);
            }
        });
    } else if (shape === 'circle') {
        points.forEach(function (item, index) {
            if (item !== null) {
                context.moveTo(item.x + 3.5*opts.pixelRatio, item.y);
                context.arc(item.x, item.y, 4*opts.pixelRatio, 0, 2 * Math.PI, false);
            }
        });
    } else if (shape === 'rect') {
        points.forEach(function (item, index) {
            if (item !== null) {
                context.moveTo(item.x - 3.5, item.y - 3.5);
                context.rect(item.x - 3.5, item.y - 3.5, 7, 7);
            }
        });
    } else if (shape === 'triangle') {
        points.forEach(function (item, index) {
            if (item !== null) {
                context.moveTo(item.x, item.y - 4.5);
                context.lineTo(item.x - 4.5, item.y + 4.5);
                context.lineTo(item.x + 4.5, item.y + 4.5);
                context.lineTo(item.x, item.y - 4.5);
            }
        });
    }
    context.closePath();
    context.fill();
    context.stroke();
}

function drawRingTitle(opts, config, context) {
    var titlefontSize = opts.title.fontSize || config.titleFontSize;
    var subtitlefontSize = opts.subtitle.fontSize || config.subtitleFontSize;
    var title = opts.title.name || '';
    var subtitle = opts.subtitle.name || '';
    var titleFontColor = opts.title.color || config.titleColor;
    var subtitleFontColor = opts.subtitle.color || config.subtitleColor;
    var titleHeight = title ? titlefontSize : 0;
    var subtitleHeight = subtitle ? subtitlefontSize : 0;
    var margin = 5;
    if (subtitle) {
        var textWidth = measureText(subtitle, subtitlefontSize);
        var startX = (opts.width - textWidth) / 2 + (opts.subtitle.offsetX || 0);
        var startY = ((opts.height - config.legendHeight + subtitlefontSize) / 2 )+ (opts.subtitle.offsetY || 0);
        if (title) {
            startY -= (titleHeight + margin) / 2 ;
        }
        context.beginPath();
        context.setFontSize(subtitlefontSize);
        context.setFillStyle(subtitleFontColor);
        context.fillText(subtitle, startX, startY);
        context.closePath();
        context.stroke();
    }
    if (title) {
        var _textWidth = measureText(title, titlefontSize);
        var _startX = (opts.width - _textWidth) / 2 + (opts.title.offsetX || 0);
        var _startY = ((opts.height - config.legendHeight + titlefontSize) / 2 ) + (opts.title.offsetY || 0);
        if (subtitle) {
            _startY += (subtitleHeight + margin) / 2;
        }
        context.beginPath();
        context.setFontSize(titlefontSize);
        context.setFillStyle(titleFontColor);
        context.fillText(title, _startX, _startY);
        context.closePath();
        context.stroke();
    }
}

function drawPointText(points, series, config, context) {
    // 绘制数据文案
    var data = series.data;

    
    points.forEach(function (item, index) {
        if (item !== null) {
            //var formatVal = series.format ? series.format(data[index]) : data[index];
			context.beginPath();
			context.setFontSize(config.fontSize);
			context.setFillStyle('#666666');
			var value = data[index].value || data[index]
            var formatVal = series.format ? series.format(value) : value;
            context.fillText(formatVal, item.x - measureText(formatVal) / 2, item.y - 2);
			context.closePath();
			context.stroke();
        }
    });
   
}

function drawGaugeLabel(gaugeOption, radius, centerPosition, opts, config, context) {
    radius -= gaugeOption.width/2+config.gaugeLabelTextMargin;
    
	let totalAngle=gaugeOption.startAngle-gaugeOption.endAngle+1;
	let splitAngle=totalAngle/gaugeOption.splitLine.splitNumber;
	let totalNumber=gaugeOption.endNumber-gaugeOption.startNumber;
	let splitNumber=totalNumber/gaugeOption.splitLine.splitNumber;
	let nowAngle=gaugeOption.startAngle;
	let nowNumber=gaugeOption.startNumber;
	for(let i=0;i<gaugeOption.splitLine.splitNumber+1;i++){
		var pos = {
		    x: radius * Math.cos(nowAngle*Math.PI),
		    y: radius * Math.sin(nowAngle*Math.PI)
		};
		pos.x+=centerPosition.x-measureText(nowNumber)/2;
		pos.y+=centerPosition.y;
		var startX = pos.x;
		var startY = pos.y;
		
		context.beginPath();
		context.setFontSize(config.fontSize);
		context.setFillStyle(gaugeOption.labelColor || '#666666');
		context.fillText(nowNumber, startX, startY + config.fontSize / 2);
		context.closePath();
		context.stroke();
		
		nowAngle+=splitAngle;
		if(nowAngle>=2){
			nowAngle=nowAngle % 2;
		}
		nowNumber+=splitNumber;
	}
	
}

function drawRadarLabel(angleList, radius, centerPosition, opts, config, context) {
    var radarOption = opts.extra.radar || {};
    radius += config.radarLabelTextMargin;
    
    angleList.forEach(function (angle, index) {
        var pos = {
            x: radius * Math.cos(angle),
            y: radius * Math.sin(angle)
        };
        var posRelativeCanvas = convertCoordinateOrigin(pos.x, pos.y, centerPosition);
        var startX = posRelativeCanvas.x;
        var startY = posRelativeCanvas.y;
        if (util.approximatelyEqual(pos.x, 0)) {
            startX -= measureText(opts.categories[index] || '') / 2;
        } else if (pos.x < 0) {
            startX -= measureText(opts.categories[index] || '');
        }
		context.beginPath();
		context.setFontSize(config.fontSize);
		context.setFillStyle(radarOption.labelColor || '#666666');
        context.fillText(opts.categories[index] || '', startX, startY + config.fontSize / 2);
		context.closePath();
		context.stroke();
    });
    
}

function drawPieText(series, opts, config, context, radius, center) {
    var lineRadius = radius + config.pieChartLinePadding;
    var textObjectCollection = [];
    var lastTextObject = null;

    var seriesConvert = series.map(function (item) {
        var arc = 2 * Math.PI - (item._start_ + 2 * Math.PI * item._proportion_ / 2);
        var text = item.format ? item.format(+item._proportion_.toFixed(2)) : util.toFixed(item._proportion_ * 100) + '%';
        var color = item.color;
        return { arc: arc, text: text, color: color };
    });
    seriesConvert.forEach(function (item) {
        // line end
        var orginX1 = Math.cos(item.arc) * lineRadius;
        var orginY1 = Math.sin(item.arc) * lineRadius;

        // line start
        var orginX2 = Math.cos(item.arc) * radius;
        var orginY2 = Math.sin(item.arc) * radius;

        // text start
        var orginX3 = orginX1 >= 0 ? orginX1 + config.pieChartTextPadding : orginX1 - config.pieChartTextPadding;
        var orginY3 = orginY1;

        var textWidth = measureText(item.text);
        var startY = orginY3;

        if (lastTextObject && util.isSameXCoordinateArea(lastTextObject.start, { x: orginX3 })) {
            if (orginX3 > 0) {
                startY = Math.min(orginY3, lastTextObject.start.y);
            } else if (orginX1 < 0) {
                startY = Math.max(orginY3, lastTextObject.start.y);
            } else {
                if (orginY3 > 0) {
                    startY = Math.max(orginY3, lastTextObject.start.y);
                } else {
                    startY = Math.min(orginY3, lastTextObject.start.y);
                }
            }
        }

        if (orginX3 < 0) {
            orginX3 -= textWidth;
        }

        var textObject = {
            lineStart: {
                x: orginX2,
                y: orginY2
            },
            lineEnd: {
                x: orginX1,
                y: orginY1
            },
            start: {
                x: orginX3,
                y: startY
            },
            width: textWidth,
            height: config.fontSize,
            text: item.text,
            color: item.color
        };

        lastTextObject = avoidCollision(textObject, lastTextObject);
        textObjectCollection.push(lastTextObject);
    });

    textObjectCollection.forEach(function (item) {
        var lineStartPoistion = convertCoordinateOrigin(item.lineStart.x, item.lineStart.y, center);
        var lineEndPoistion = convertCoordinateOrigin(item.lineEnd.x, item.lineEnd.y, center);
        var textPosition = convertCoordinateOrigin(item.start.x, item.start.y, center);
        context.setLineWidth(1*opts.pixelRatio);
        context.setFontSize(config.fontSize);
        context.beginPath();
        context.setStrokeStyle(item.color);
        context.setFillStyle(item.color);
        context.moveTo(lineStartPoistion.x, lineStartPoistion.y);
        var curveStartX = item.start.x < 0 ? textPosition.x + item.width : textPosition.x;
        var textStartX = item.start.x < 0 ? textPosition.x - 5 : textPosition.x + 5;
        context.quadraticCurveTo(lineEndPoistion.x, lineEndPoistion.y, curveStartX, textPosition.y);
        context.moveTo(lineStartPoistion.x, lineStartPoistion.y);
        context.stroke();
        context.closePath();
        context.beginPath();
        context.moveTo(textPosition.x + item.width, textPosition.y);
        context.arc(curveStartX, textPosition.y, 2, 0, 2 * Math.PI);
        context.closePath();
        context.fill();
        context.beginPath();
		context.setFontSize(config.fontSize);
        context.setFillStyle('#666666');
        context.fillText(item.text, textStartX, textPosition.y + 3);
        context.closePath();
        context.stroke();
        context.closePath();
    });
}

function drawToolTipSplitLine(offsetX, opts, config, context) {
	var toolTipOption = opts.extra.tooltip || {};
	toolTipOption.gridType=toolTipOption.gridType==undefined? 'solid':toolTipOption.gridType;
	toolTipOption.dashLength=toolTipOption.dashLength==undefined? 4:toolTipOption.dashLength;
    var startY = config.padding;
    var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight;

	if(toolTipOption.gridType=='dash'){
		context.setLineDash([toolTipOption.dashLength,toolTipOption.dashLength]);
	}
    context.beginPath();
	context.setStrokeStyle(toolTipOption.gridColor || '#cccccc');
	context.setLineWidth(1*opts.pixelRatio);
    context.moveTo(offsetX, startY);
    context.lineTo(offsetX, endY);
    context.closePath();
    context.stroke();
	context.setLineDash([]);
	
	if(toolTipOption.xAxisLabel){
		let lableText = opts.categories[opts.tooltip.index];
		context.setFontSize(config.fontSize);
		let textWidth = context.measureText(lableText).width;
		
		let textX = offsetX - config.toolTipPadding - 0.5 * textWidth ;
		let textY = endY;
		context.beginPath();
		context.setFillStyle(hexToRgb(toolTipOption.labelBgColor || config.toolTipBackground, toolTipOption.labelBgOpacity || config.toolTipOpacity));
		context.setStrokeStyle(toolTipOption.labelBgColor || config.toolTipBackground);
		context.setLineWidth(1*opts.pixelRatio);
		context.rect(textX, textY, textWidth + 2 * config.toolTipPadding , config.fontSize + 2 * config.toolTipPadding);
		context.closePath();
		context.stroke();
		context.fill();
		
		context.beginPath();
		context.setFontSize(config.fontSize);
		context.setFillStyle(toolTipOption.labelFontColor || config.fontColor);
		context.fillText(lableText, textX+2*config.toolTipPadding, textY+config.toolTipPadding+config.fontSize);
		context.closePath();
		context.stroke();
	}
}

function drawToolTipHorizentalLine(opts, config, context, eachSpacing, xAxisPoints) {
	var toolTipOption = opts.extra.tooltip || {};
	toolTipOption.gridType=toolTipOption.gridType==undefined? 'solid':toolTipOption.gridType;
	toolTipOption.dashLength=toolTipOption.dashLength==undefined? 4:toolTipOption.dashLength;
	var startX = config.padding + config.yAxisWidth + config.yAxisTitleWidth;
	var endX = opts.width-config.padding;
	
	if(toolTipOption.gridType=='dash'){
		context.setLineDash([toolTipOption.dashLength,toolTipOption.dashLength]);
	}
    context.beginPath();
	context.setStrokeStyle(toolTipOption.gridColor || '#cccccc');
	context.setLineWidth(1*opts.pixelRatio);
	context.moveTo(startX, opts.tooltip.offset.y);
	context.lineTo(endX, opts.tooltip.offset.y);
    context.closePath();
    context.stroke();
	context.setLineDash([]);
	
	if(toolTipOption.yAxisLabel){
		
		let lableText = calTooltipYAxisData(opts.tooltip.offset.y,opts.series, opts, config,eachSpacing);
		context.setFontSize(config.fontSize);
		let textWidth = context.measureText(lableText).width;
		
		let textX = startX - 2*config.toolTipPadding - textWidth ;
		let textY = opts.tooltip.offset.y;
		context.beginPath();
		context.setFillStyle(hexToRgb(toolTipOption.labelBgColor || config.toolTipBackground, toolTipOption.labelBgOpacity || config.toolTipOpacity));
		context.setStrokeStyle(toolTipOption.labelBgColor || config.toolTipBackground);
		context.setLineWidth(1*opts.pixelRatio);
		context.rect(textX, textY-0.5*config.fontSize-config.toolTipPadding, textWidth + 2 * config.toolTipPadding , config.fontSize + 2 * config.toolTipPadding);
		context.closePath();
		context.stroke();
		context.fill();
		
		context.beginPath();
		context.setFontSize(config.fontSize);
		context.setFillStyle(toolTipOption.labelFontColor || config.fontColor);
		context.fillText(lableText, textX+config.toolTipPadding, textY+0.5*config.fontSize);
		context.closePath();
		context.stroke();
	}
}


function drawToolTipSplitArea(offsetX, opts, config, context, eachSpacing) {
    var startY = config.padding;
    var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight;
    context.beginPath();
	context.setFillStyle(hexToRgb('#000000', 0.08));
	context.rect(offsetX-eachSpacing/2, startY, eachSpacing, endY-startY);
	context.closePath();
	context.fill();
}

function drawToolTip(textList, offset, opts, config, context, eachSpacing, xAxisPoints) {
	var toolTipOption = opts.extra.tooltip || {};
    var legendWidth = 4*opts.pixelRatio;
    var legendMarginRight = 5*opts.pixelRatio;
    var arrowWidth = 8*opts.pixelRatio;
    var isOverRightBorder = false;
	if(opts.type=='line' || opts.type=='area' ||opts.type=='candle' || opts.type=='mix'){
		drawToolTipSplitLine(opts.tooltip.offset.x, opts, config, context);
	}
	
    offset = assign({
        x: 0,
        y: 0
    }, offset);
    offset.y -= 8*opts.pixelRatio;
    var textWidth = textList.map(function (item) {
        return measureText(item.text);
    });

    var toolTipWidth = legendWidth + legendMarginRight + 4 * config.toolTipPadding + Math.max.apply(null, textWidth);
    var toolTipHeight = 2 * config.toolTipPadding + textList.length * config.toolTipLineHeight;

    // if beyond the right border
    if (offset.x - Math.abs(opts._scrollDistance_) + arrowWidth + toolTipWidth > opts.width) {
        isOverRightBorder = true;
    }

    // draw background rect
    context.beginPath();
    context.setFillStyle(hexToRgb(opts.tooltip.option.background || config.toolTipBackground, config.toolTipOpacity));
    if (isOverRightBorder) {
        context.moveTo(offset.x, offset.y + 10*opts.pixelRatio);
        context.lineTo(offset.x - arrowWidth, offset.y + 10*opts.pixelRatio - 5*opts.pixelRatio);
        context.lineTo(offset.x - arrowWidth, offset.y);
        context.lineTo(offset.x - arrowWidth - Math.round(toolTipWidth), offset.y);
        context.lineTo(offset.x - arrowWidth - Math.round(toolTipWidth), offset.y+toolTipHeight);
        context.lineTo(offset.x - arrowWidth, offset.y+toolTipHeight);
        context.lineTo(offset.x - arrowWidth, offset.y + 10*opts.pixelRatio + 5*opts.pixelRatio);
        context.lineTo(offset.x, offset.y + 10*opts.pixelRatio);
    } else {
        context.moveTo(offset.x, offset.y + 10*opts.pixelRatio);
        context.lineTo(offset.x + arrowWidth, offset.y + 10*opts.pixelRatio - 5*opts.pixelRatio);
		context.lineTo(offset.x + arrowWidth, offset.y);
		context.lineTo(offset.x + arrowWidth + Math.round(toolTipWidth), offset.y);
		context.lineTo(offset.x + arrowWidth + Math.round(toolTipWidth), offset.y+toolTipHeight);
		context.lineTo(offset.x + arrowWidth, offset.y+toolTipHeight);
        context.lineTo(offset.x + arrowWidth, offset.y + 10*opts.pixelRatio + 5*opts.pixelRatio);
        context.lineTo(offset.x, offset.y + 10*opts.pixelRatio);
    }

    context.closePath();
    context.fill();

    // draw legend
    textList.forEach(function (item, index) {
		if(item.color !== null){
			context.beginPath();
			context.setFillStyle(item.color);
			var startX = offset.x + arrowWidth + 2 * config.toolTipPadding;
			var startY = offset.y + (config.toolTipLineHeight - config.fontSize) / 2 + config.toolTipLineHeight * index + config.toolTipPadding + 1;
			if (isOverRightBorder) {
			    startX = offset.x - toolTipWidth - arrowWidth + 2 * config.toolTipPadding;
			}
			context.fillRect(startX, startY, legendWidth, config.fontSize);
			context.closePath();
		}
    });

    // draw text list
    
    textList.forEach(function (item, index) {
        var startX = offset.x + arrowWidth + 2 * config.toolTipPadding + legendWidth + legendMarginRight;
        if (isOverRightBorder) {
            startX = offset.x - toolTipWidth - arrowWidth + 2 * config.toolTipPadding + +legendWidth + legendMarginRight;
        }
        var startY = offset.y + (config.toolTipLineHeight - config.fontSize) / 2 + config.toolTipLineHeight * index + config.toolTipPadding;
		context.beginPath();
		context.setFontSize(config.fontSize);
		context.setFillStyle('#ffffff');
        context.fillText(item.text, startX, startY + config.fontSize);
		context.closePath();
		context.stroke();
    });
}

function drawYAxisTitle(title, opts, config, context) {
    var startX = config.xAxisHeight + (opts.height - config.xAxisHeight - measureText(title)) / 2;
    context.save();
    context.beginPath();
    context.setFontSize(config.fontSize);
    context.setFillStyle(opts.yAxis.titleFontColor || '#333333');
    context.translate(0, opts.height);
    context.rotate(-90 * Math.PI / 180);
    context.fillText(title, startX, config.padding + 0.5 * config.fontSize);
    context.closePath();
    context.stroke();
    context.restore();
}

function drawColumnDataPoints(series, opts, config, context) {
    var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
	var columnOption = opts.extra.column || {type:{},meter:{}};
	columnOption.type=columnOption.type==undefined? 'group':columnOption.type;
	columnOption.meter=columnOption.meter||{}
	columnOption.meter.border=columnOption.meter.border==undefined? 4:columnOption.meter.border;
	columnOption.meter.fillColor=columnOption.meter.fillColor==undefined? '#FFFFFF':columnOption.meter.fillColor;
    var _calYAxisData = calYAxisData(series, opts, config),
        ranges = _calYAxisData.ranges;
		
    var _getXAxisPoints = getXAxisPoints(opts.categories, opts, config),
        xAxisPoints = _getXAxisPoints.xAxisPoints,
        eachSpacing = _getXAxisPoints.eachSpacing;

    var minRange = ranges.pop();
    var maxRange = ranges.shift();
	var calPoints = [];
	
    context.save();
    if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
        context.translate(opts._scrollDistance_, 0);
    }
	if (opts.tooltip && opts.tooltip.textList && opts.tooltip.textList.length && process === 1) {
	    drawToolTipSplitArea(opts.tooltip.offset.x, opts, config, context, eachSpacing);
	}
	
    series.forEach(function (eachSeries, seriesIndex) {
        var data = eachSeries.data;
		switch (columnOption.type){
		case 'group':
			var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
			var tooltipPoints = getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, series,process);
			calPoints.push(tooltipPoints);
			points = fixColumeData(points, eachSpacing, series.length, seriesIndex, config, opts);
			points.forEach(function (item, index) {
				if (item !== null) {
					context.beginPath();
					context.setFillStyle(item.color || eachSeries.color);
					var startX = item.x - item.width / 2 + 1;
					var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight;
					context.moveTo(startX, item.y);
					context.fillRect(startX, item.y, item.width - 2, height);
					context.closePath();
					context.fill();
				}
			});
			break;
		case 'stack':
			// 绘制堆叠数据图
			var points = getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, series,process);
			calPoints.push(points);
			points = fixColumeStackData(points, eachSpacing, series.length, seriesIndex, config, opts,series);
			
			points.forEach(function (item, index) {
				if (item !== null) {
					context.beginPath();
					context.setFillStyle(item.color || eachSeries.color);
					var startX = item.x - item.width / 2 + 1;
					var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight;
					var height0 = opts.height - item.y0 - config.padding - config.xAxisHeight - config.legendHeight;
					if(seriesIndex>0){
						height -= height0;
					}
					context.moveTo(startX, item.y);
					context.fillRect(startX, item.y, item.width - 2, height);
					context.closePath();
					context.fill();
				}
			});
			break;
		case 'meter':
		// 绘制温度计数据图
			var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
			calPoints.push(points);
			points = fixColumeMeterData(points, eachSpacing, series.length, seriesIndex, config, opts, columnOption.meter.border);
			if(seriesIndex==0){
				points.forEach(function (item, index) {
					if (item !== null) {
						//画背景颜色
						context.beginPath();
						context.setFillStyle(columnOption.meter.fillColor);
						var startX = item.x - item.width / 2 + 1;
						var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight;
						context.moveTo(startX, item.y);
						context.fillRect(startX, item.y, item.width - 2, height);
						context.closePath();
						context.fill();
						//画边框线
						context.beginPath();
						context.setStrokeStyle(eachSeries.color);
						context.setLineWidth(columnOption.meter.border*opts.pixelRatio);
						context.moveTo(startX+columnOption.meter.border*0.5, item.y+height);
						context.lineTo(startX+columnOption.meter.border*0.5, item.y+columnOption.meter.border*0.5);
						context.lineTo(startX+item.width-columnOption.meter.border, item.y+columnOption.meter.border*0.5);
						context.lineTo(startX+item.width-columnOption.meter.border, item.y+height);
						context.stroke();
					}
				});
			}else{
				points.forEach(function (item, index) {
					if (item !== null) {
						context.beginPath();
						context.setFillStyle(item.color || eachSeries.color);
						var startX = item.x - item.width / 2 + 1;
						var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight;
						context.moveTo(startX, item.y);
						context.rect(startX, item.y, item.width - 2, height);
						context.closePath();
						context.fill();
					}
				});
			}
			break;
		}
    });
	if (opts.dataLabel !== false && process === 1) {
	    series.forEach(function (eachSeries, seriesIndex) {
	        var data = eachSeries.data;
			switch (columnOption.type){
				case 'group':
				var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
				points = fixColumeData(points, eachSpacing, series.length, seriesIndex, config, opts);
				drawPointText(points, eachSeries, config, context);
				break;
				case 'stack':
				var points = getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, series,process);
				drawPointText(points, eachSeries, config, context);
				break;
				case 'meter':
				var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
				drawPointText(points, eachSeries, config, context);
				break;
			}
	    });
	}
	
    context.restore();
	
    return {
        xAxisPoints: xAxisPoints,
		calPoints: calPoints,
        eachSpacing: eachSpacing
    };
}

function drawCandleDataPoints(series, opts, config, context) {
    var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
	var candleOption = opts.extra.candle || {color:{},average:{}};
	candleOption.color.upLine=candleOption.color.upLine? candleOption.color.upLine: '#f04864';
	candleOption.color.upFill=candleOption.color.upFill? candleOption.color.upFill: '#f04864';
	candleOption.color.downLine=candleOption.color.downLine? candleOption.color.downLine: '#2fc25b';
	candleOption.color.downFill=candleOption.color.downFill? candleOption.color.downFill: '#2fc25b';
	candleOption.average.show = candleOption.average.show===true? true : false;
	candleOption.average.name = candleOption.average.name? candleOption.average.name : [];
	candleOption.average.day = candleOption.average.day? candleOption.average.day : [];
	candleOption.average.color = candleOption.average.color? candleOption.average.color : ['#1890ff', '#2fc25b', '#facc14', '#f04864', '#8543e0', '#90ed7d'];
	opts.extra.candle=candleOption;
	
    var _calYAxisData5 = calYAxisData(series, opts, config),
        ranges = _calYAxisData5.ranges;
		
    var _getXAxisPoints5 = getXAxisPoints(opts.categories, opts, config),
        xAxisPoints = _getXAxisPoints5.xAxisPoints,
        eachSpacing = _getXAxisPoints5.eachSpacing;

    var minRange = ranges.pop();
    var maxRange = ranges.shift();
    var calPoints = [];

    context.save();
    if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
        context.translate(opts._scrollDistance_, 0);
    }

    series.forEach(function (eachSeries, seriesIndex) {
        var data = eachSeries.data;
        var points = getCandleDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
        calPoints.push(points);
        var splitPointList = splitPoints(points);
		splitPointList=splitPointList[0];
		
        splitPointList.forEach(function (points, index) {
			context.beginPath();
			//如果上涨
			if(data[index][1]-data[index][0]>0){
				context.setStrokeStyle(candleOption.color.upLine);
				context.setFillStyle(candleOption.color.upFill);
				context.setLineWidth(1*opts.pixelRatio);
				context.moveTo(points[3].x, points[3].y);//顶点
				context.lineTo(points[1].x, points[1].y);//收盘中间点
				context.lineTo(points[1].x-eachSpacing/4, points[1].y);//收盘左侧点
				context.lineTo(points[0].x-eachSpacing/4, points[0].y);//开盘左侧点
				context.lineTo(points[0].x, points[0].y);//开盘中间点
				context.lineTo(points[2].x, points[2].y);//底点
				context.lineTo(points[0].x, points[0].y);//开盘中间点
				context.lineTo(points[0].x+eachSpacing/4, points[0].y);//开盘右侧点
				context.lineTo(points[1].x+eachSpacing/4, points[1].y);//收盘右侧点
				context.lineTo(points[1].x, points[1].y);//收盘中间点
				context.moveTo(points[3].x, points[3].y);//顶点
			}else{
				context.setStrokeStyle(candleOption.color.downLine);
				context.setFillStyle(candleOption.color.downFill);
				context.setLineWidth(1*opts.pixelRatio);
				context.moveTo(points[3].x, points[3].y);//顶点
				context.lineTo(points[0].x, points[0].y);//开盘中间点
				context.lineTo(points[0].x-eachSpacing/4, points[0].y);//开盘左侧点
				context.lineTo(points[1].x-eachSpacing/4, points[1].y);//收盘左侧点
				context.lineTo(points[1].x, points[1].y);//收盘中间点
				context.lineTo(points[2].x, points[2].y);//底点
				context.lineTo(points[1].x, points[1].y);//收盘中间点
				context.lineTo(points[1].x+eachSpacing/4, points[1].y);//收盘右侧点
				context.lineTo(points[0].x+eachSpacing/4, points[0].y);//开盘右侧点
				context.lineTo(points[0].x, points[0].y);//开盘中间点
				context.moveTo(points[3].x, points[3].y);//顶点
			}
			context.closePath();
			context.fill();
			context.stroke();
        });
    });

    context.restore();
	
	//画均线
	if(candleOption.average.show){
		
	}

    return {
        xAxisPoints: xAxisPoints,
        calPoints: calPoints,
        eachSpacing: eachSpacing
    };
}

function drawAreaDataPoints(series, opts, config, context) {
    var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;

    var _calYAxisData2 = calYAxisData(series, opts, config),
        ranges = _calYAxisData2.ranges;

    var _getXAxisPoints2 = getXAxisPoints(opts.categories, opts, config),
        xAxisPoints = _getXAxisPoints2.xAxisPoints,
        eachSpacing = _getXAxisPoints2.eachSpacing;

    var minRange = ranges.pop();
    var maxRange = ranges.shift();
    var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight;
    var calPoints = [];

    context.save();
    if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
        context.translate(opts._scrollDistance_, 0);
    }

    if (opts.tooltip && opts.tooltip.textList && opts.tooltip.textList.length && process === 1) {
        drawToolTipSplitLine(opts.tooltip.offset.x, opts, config, context);
    }
	
	
    series.forEach(function (eachSeries, seriesIndex) {
        var data = eachSeries.data;
        var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
        calPoints.push(points);

        var splitPointList = splitPoints(points);

        splitPointList.forEach(function (points) {
            // 绘制区域数据
            context.beginPath();
            context.setStrokeStyle(eachSeries.color);
            context.setFillStyle(eachSeries.color);
            context.setGlobalAlpha(0.2);
            context.setLineWidth(2*opts.pixelRatio);
            if (points.length > 1) {
                var firstPoint = points[0];
                var lastPoint = points[points.length - 1];

                context.moveTo(firstPoint.x, firstPoint.y);
                if (opts.extra.lineStyle === 'curve') {
                    points.forEach(function (item, index) {
                        if (index > 0) {
                            var ctrlPoint = createCurveControlPoints(points, index - 1);
                            context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y);
                        }
                    });
                } else {
                    points.forEach(function (item, index) {
                        if (index > 0) {
                            context.lineTo(item.x, item.y);
                        }
                    });
                }

                context.lineTo(lastPoint.x, endY);
                context.lineTo(firstPoint.x, endY);
                context.lineTo(firstPoint.x, firstPoint.y);
            } else {
                var item = points[0];
                context.moveTo(item.x - eachSpacing / 2, item.y);
                context.lineTo(item.x + eachSpacing / 2, item.y);
                context.lineTo(item.x + eachSpacing / 2, endY);
                context.lineTo(item.x - eachSpacing / 2, endY);
                context.moveTo(item.x - eachSpacing / 2, item.y);
            }
            context.closePath();
            context.fill();
            context.setGlobalAlpha(1);
			
			
			//画连线
			context.beginPath();
			context.setStrokeStyle(eachSeries.color);
			context.setLineWidth(2*opts.pixelRatio);
			if (points.length === 1) {
			    context.moveTo(points[0].x, points[0].y);
			    context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI);
			} else {
			    context.moveTo(points[0].x, points[0].y);
			    if (opts.extra.lineStyle === 'curve') {
			        points.forEach(function (item, index) {
			            if (index > 0) {
			                var ctrlPoint = createCurveControlPoints(points, index - 1);
			                context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y);
			            }
			        });
			    } else {
			        points.forEach(function (item, index) {
			            if (index > 0) {
			                context.lineTo(item.x, item.y);
			            }
			        });
			    }
			    context.moveTo(points[0].x, points[0].y);
			}
			context.closePath();
			context.stroke();
        });
		
		//画点
        if (opts.dataPointShape !== false) {
            var shape = config.dataPointShape[seriesIndex % config.dataPointShape.length];
            drawPointShape(points, eachSeries.color, shape, context,opts);
        }
		
    });
    if (opts.dataLabel !== false && process === 1) {
        series.forEach(function (eachSeries, seriesIndex) {
            var data = eachSeries.data;
            var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
            drawPointText(points, eachSeries, config, context);
        });
    }

    context.restore();

    return {
        xAxisPoints: xAxisPoints,
        calPoints: calPoints,
        eachSpacing: eachSpacing
    };
}

function drawLineDataPoints(series, opts, config, context) {
    var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;

    var _calYAxisData3 = calYAxisData(series, opts, config),
        ranges = _calYAxisData3.ranges;

    var _getXAxisPoints3 = getXAxisPoints(opts.categories, opts, config),
        xAxisPoints = _getXAxisPoints3.xAxisPoints,
        eachSpacing = _getXAxisPoints3.eachSpacing;

    var minRange = ranges.pop();
    var maxRange = ranges.shift();
    var calPoints = [];

    context.save();
    if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
        context.translate(opts._scrollDistance_, 0);
    }

    if (opts.tooltip && opts.tooltip.textList && opts.tooltip.textList.length && process === 1) {
        drawToolTipSplitLine(opts.tooltip.offset.x, opts, config, context);
    }

    series.forEach(function (eachSeries, seriesIndex) {
        var data = eachSeries.data;
        var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
        calPoints.push(points);
        var splitPointList = splitPoints(points);

        splitPointList.forEach(function (points, index) {
            context.beginPath();
            context.setStrokeStyle(eachSeries.color);
            context.setLineWidth(2*opts.pixelRatio);
            if (points.length === 1) {
                context.moveTo(points[0].x, points[0].y);
                context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI);
            } else {
                context.moveTo(points[0].x, points[0].y);
                if (opts.extra.lineStyle === 'curve') {
                    points.forEach(function (item, index) {
                        if (index > 0) {
                            var ctrlPoint = createCurveControlPoints(points, index - 1);
                            context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y);
                        }
                    });
                } else {
                    points.forEach(function (item, index) {
                        if (index > 0) {
                            context.lineTo(item.x, item.y);
                        }
                    });
                }
                context.moveTo(points[0].x, points[0].y);
            }
            context.closePath();
            context.stroke();
        });

        if (opts.dataPointShape !== false) {
            var shape = config.dataPointShape[seriesIndex % config.dataPointShape.length];
            drawPointShape(points, eachSeries.color, shape, context,opts);
        }
    });
    if (opts.dataLabel !== false && process === 1) {
        series.forEach(function (eachSeries, seriesIndex) {
            var data = eachSeries.data;
            var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
            drawPointText(points, eachSeries, config, context);
        });
    }

    context.restore();

    return {
        xAxisPoints: xAxisPoints,
        calPoints: calPoints,
        eachSpacing: eachSpacing
    };
}

function drawMixDataPoints(series, opts, config, context) {
    var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;

    var _calYAxisData6 = calYAxisData(series, opts, config),
        ranges = _calYAxisData6.ranges;

    var _getXAxisPoints6 = getXAxisPoints(opts.categories, opts, config),
        xAxisPoints = _getXAxisPoints6.xAxisPoints,
        eachSpacing = _getXAxisPoints6.eachSpacing;

    var minRange = ranges.pop();
    var maxRange = ranges.shift();
	var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight;
    var calPoints = [];
	
	var columnIndex=0;
	var columnLength=0;
	series.forEach(function (eachSeries, seriesIndex) {
		if(eachSeries.type=='column'){
			columnLength+=1;
		}
	});
    context.save();
    if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
        context.translate(opts._scrollDistance_, 0);
    }

    if (opts.tooltip && opts.tooltip.textList && opts.tooltip.textList.length && process === 1) {
        drawToolTipSplitLine(opts.tooltip.offset.x, opts, config, context);
    }

    series.forEach(function (eachSeries, seriesIndex) {
        var data = eachSeries.data;
        var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
        calPoints.push(points);
        
		// 绘制柱状数据图
		if(eachSeries.type=='column'){
			points = fixColumeData(points, eachSpacing, columnLength , columnIndex, config, opts);
			points.forEach(function (item, index) {
			    if (item !== null) {
					context.beginPath();
					context.setFillStyle(item.color || eachSeries.color);
			        var startX = item.x - item.width / 2 + 1;
			        var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight;
			        context.moveTo(startX, item.y);
			        context.rect(startX, item.y, item.width - 2, height);
					context.closePath();
					context.fill();
			    }
			});
			columnIndex+=1;
		}
		
		//绘制区域图数据
		
		if(eachSeries.type=='area'){
			var splitPointList = splitPoints(points);
			splitPointList.forEach(function (points) {
				// 绘制区域数据
				context.beginPath();
				context.setStrokeStyle(eachSeries.color);
				context.setFillStyle(eachSeries.color);
				context.setGlobalAlpha(0.2);
				context.setLineWidth(2*opts.pixelRatio);
				if (points.length > 1) {
					var firstPoint = points[0];
					var lastPoint = points[points.length - 1];
					context.moveTo(firstPoint.x, firstPoint.y);
					if (eachSeries.style === 'curve') {
						points.forEach(function (item, index) {
							if (index > 0) {
								var ctrlPoint = createCurveControlPoints(points, index - 1);
								context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y);
							}
						});
					} else {
						points.forEach(function (item, index) {
							if (index > 0) {
								context.lineTo(item.x, item.y);
							}
						});
					}
					context.lineTo(lastPoint.x, endY);
					context.lineTo(firstPoint.x, endY);
					context.lineTo(firstPoint.x, firstPoint.y);
				} else {
					var item = points[0];
					context.moveTo(item.x - eachSpacing / 2, item.y);
					context.lineTo(item.x + eachSpacing / 2, item.y);
					context.lineTo(item.x + eachSpacing / 2, endY);
					context.lineTo(item.x - eachSpacing / 2, endY);
					context.moveTo(item.x - eachSpacing / 2, item.y);
				}
				context.closePath();
				context.fill();
				context.setGlobalAlpha(1);
			});
		}
		
		
		
		// 绘制折线数据图
		if(eachSeries.type=='line'){
			var splitPointList = splitPoints(points);
			splitPointList.forEach(function (points, index) {
				context.beginPath();
				context.setStrokeStyle(eachSeries.color);
				context.setLineWidth(2*opts.pixelRatio);
				if (points.length === 1) {
					context.moveTo(points[0].x, points[0].y);
					context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI);
				} else {
					context.moveTo(points[0].x, points[0].y);
					if (eachSeries.style=='curve') {
						points.forEach(function (item, index) {
							if (index > 0) {
								var ctrlPoint = createCurveControlPoints(points, index - 1);
								context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y);
							}
						});
					} else {
						points.forEach(function (item, index) {
							if (index > 0) {
								context.lineTo(item.x, item.y);
							}
						});
					}
					context.moveTo(points[0].x, points[0].y);
				}
				context.closePath();
				context.stroke();
			});
		}
		
		// 绘制点数据图
		if(eachSeries.type=='point'){
			var splitPointList = splitPoints(points);
			splitPointList.forEach(function (points, index) {
				context.beginPath();
				context.setStrokeStyle(eachSeries.color);
				context.setLineWidth(2*opts.pixelRatio);
				context.moveTo(points[0].x, points[0].y);
				context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI);
				context.closePath();
				context.stroke();
			});
		}
		
        if (opts.dataPointShape !== false && eachSeries.type!=='column') {
            var shape = config.dataPointShape[seriesIndex % config.dataPointShape.length];
            drawPointShape(points, eachSeries.color, shape, context,opts);
        }
    });
    if (opts.dataLabel !== false && process === 1) {
		var columnIndex=0;
        series.forEach(function (eachSeries, seriesIndex) {
            var data = eachSeries.data;
			var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
			if(eachSeries.type!=='column'){
				drawPointText(points, eachSeries, config, context);
			}else{
				points = fixColumeData(points, eachSpacing, columnLength, columnIndex, config, opts);
				drawPointText(points, eachSeries, config, context);
				columnIndex+=1;
			}
            
        });
    }

    context.restore();

    return {
        xAxisPoints: xAxisPoints,
        calPoints: calPoints,
        eachSpacing: eachSpacing
    };
}

function drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints) {
	var toolTipOption = opts.extra.tooltip || {};
	if(toolTipOption.horizentalLine && opts.tooltip && process === 1 && (opts.type=='line' || opts.type=='area' || opts.type=='column' || opts.type=='candle' || opts.type=='mix')){
		drawToolTipHorizentalLine(opts, config, context, eachSpacing, xAxisPoints)
	}
    context.save();
    if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
        context.translate(opts._scrollDistance_, 0);
    }
    if (opts.tooltip && opts.tooltip.textList && opts.tooltip.textList.length && process === 1) {
        drawToolTip(opts.tooltip.textList, opts.tooltip.offset, opts, config, context, eachSpacing, xAxisPoints);
    }
    context.restore();
	
}

function drawXAxis(categories, opts, config, context) {
	
    var _getXAxisPoints4 = getXAxisPoints(categories, opts, config),
        xAxisPoints = _getXAxisPoints4.xAxisPoints,
        startX = _getXAxisPoints4.startX,
        endX = _getXAxisPoints4.endX,
        eachSpacing = _getXAxisPoints4.eachSpacing;

    var startY = opts.height - config.padding - config.xAxisHeight - config.legendHeight;
    var endY = config.padding;


	//绘制滚动条
	if(opts.enableScroll && opts.xAxis.scrollShow){
		var scrollY=opts.height - config.padding - config.legendHeight + 4*opts.pixelRatio;
		var scrollScreenWidth=endX-startX;
		var scrollTotalWidth=eachSpacing*(xAxisPoints.length-1);
		var scrollWidth=scrollScreenWidth*scrollScreenWidth/scrollTotalWidth;
		var scrollLeft=0;
		if (opts._scrollDistance_){
			scrollLeft=-opts._scrollDistance_*(scrollScreenWidth)/scrollTotalWidth;
		}
		context.beginPath();
		context.setLineCap('round');
		context.setLineWidth(6*opts.pixelRatio);
		context.setStrokeStyle(opts.xAxis.scrollBackgroundColor || "#EFEBEF");
		context.moveTo(startX, scrollY);
		context.lineTo(endX, scrollY);
		context.stroke();
		context.closePath();
		context.beginPath();
		context.setLineCap('round');
		context.setLineWidth(6*opts.pixelRatio);
		context.setStrokeStyle(opts.xAxis.scrollColor ||"#A6A6A6");
		context.moveTo(startX+scrollLeft, scrollY);
		context.lineTo(startX+scrollLeft+scrollWidth, scrollY);
		context.stroke();
		context.closePath();
	}
	
    context.save();
	
    if (opts._scrollDistance_ && opts._scrollDistance_ !== 0) {
        context.translate(opts._scrollDistance_, 0);
    }

    context.beginPath();
    context.setStrokeStyle(opts.xAxis.gridColor || "#cccccc");
	context.setLineCap('butt');
	context.setLineWidth(1*opts.pixelRatio);
	if(opts.xAxis.gridType=='dash'){
		context.setLineDash([opts.xAxis.dashLength,opts.xAxis.dashLength]);
	}
    if (opts.xAxis.disableGrid !== true) {
        if (opts.xAxis.type === 'calibration') {
            xAxisPoints.forEach(function (item, index) {
                if (index > 0) {
                    context.moveTo(item - eachSpacing / 2, startY);
                    context.lineTo(item - eachSpacing / 2, startY + 4*opts.pixelRatio);
                }
            });
        } else {
            xAxisPoints.forEach(function (item, index) {
                context.moveTo(item, startY);
                context.lineTo(item, endY);
            });
        }
    }
    context.closePath();
    context.stroke();
	context.setLineDash([]);

	//不绘制X轴
	if (opts.xAxis.disabled !== true) {
		// 对X轴列表做抽稀处理
		var validWidth = opts.width - 2 * config.padding - config.yAxisWidth - config.yAxisTitleWidth;
		var maxXAxisListLength = Math.min(categories.length, Math.ceil(validWidth / config.fontSize / 1.5));
		var ratio = Math.ceil(categories.length / maxXAxisListLength);
		categories = categories.map(function (item, index) {
			return index % ratio !== 0 ? '' : item;
		});

		if (config._xAxisTextAngle_ === 0) {
			categories.forEach(function (item, index) {
				var offset = eachSpacing / 2 - measureText(item) / 2;
				context.beginPath();
				context.setFontSize(config.fontSize);
				context.setFillStyle(opts.xAxis.fontColor || '#666666');
				context.fillText(item, xAxisPoints[index] + offset, startY + config.fontSize + 5);
				context.closePath();
				context.stroke();
			});
			
		} else {
			categories.forEach(function (item, index) {
				context.save();
				context.beginPath();
				context.setFontSize(config.fontSize);
				context.setFillStyle(opts.xAxis.fontColor || '#666666');
				var textWidth = measureText(item);
				var offset = eachSpacing / 2 - textWidth;

				var _calRotateTranslate = calRotateTranslate(xAxisPoints[index] + eachSpacing / 2, startY + config.fontSize / 2 + 5, opts.height),
					transX = _calRotateTranslate.transX,
					transY = _calRotateTranslate.transY;

				context.rotate(-1 * config._xAxisTextAngle_);
				context.translate(transX, transY);
				context.fillText(item, xAxisPoints[index] + offset, startY + config.fontSize + 5);
				context.closePath();
				context.stroke();
				context.restore();
			});
		}
	}	
    context.restore();

}

function drawYAxisGrid(categories,opts, config, context) {
	if (opts.yAxis.disableGrid === true) {
        return;
    }
    var spacingValid = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight;
    var eachSpacing = Math.floor(spacingValid / config.yAxisSplit);
    var yAxisTotalWidth = config.yAxisWidth + config.yAxisTitleWidth;
    var startX = config.padding + yAxisTotalWidth;
	var _getXAxisPoints4 = getXAxisPoints(categories, opts, config),
	    xAxisPoints = _getXAxisPoints4.xAxisPoints,
	    xAxiseachSpacing = _getXAxisPoints4.eachSpacing;
	var TotalWidth=xAxiseachSpacing*(xAxisPoints.length-1);
	var endX = startX+TotalWidth;
	
    var points = [];
    for (var i = 0; i < config.yAxisSplit; i++) {
        points.push(config.padding + eachSpacing * i);
    }
    points.push(config.padding + eachSpacing * config.yAxisSplit + 2);

	context.save();
    if (opts._scrollDistance_ && opts._scrollDistance_ !== 0) {
        context.translate(opts._scrollDistance_, 0);
    }
	
	if(opts.yAxis.gridType=='dash'){
		context.setLineDash([opts.yAxis.dashLength,opts.yAxis.dashLength]);
	}
    context.beginPath();
    context.setStrokeStyle(opts.yAxis.gridColor || "#cccccc");
	
    context.setLineWidth(1*opts.pixelRatio);
    points.forEach(function (item, index) {
        context.moveTo(startX, item);
        context.lineTo(endX, item);
    });
    context.closePath();
    context.stroke();
	context.setLineDash([]);
	
	context.restore();
}

function drawYAxis(series, opts, config, context) {
    if (opts.yAxis.disabled === true) {
        return;
    }

    var _calYAxisData4 = calYAxisData(series, opts, config),
        rangesFormat = _calYAxisData4.rangesFormat;

    var yAxisTotalWidth = config.yAxisWidth + config.yAxisTitleWidth;

    var spacingValid = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight;
    var eachSpacing = Math.floor(spacingValid / config.yAxisSplit);
    var startX = config.padding + yAxisTotalWidth;
    var endX = opts.width - config.padding;
    var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight;

    // set YAxis background
	context.beginPath();
    context.setFillStyle(opts.background || '#ffffff');
    if (opts._scrollDistance_ < 0) {
        context.fillRect(0, 0, startX, endY + config.xAxisHeight );
    }
    context.fillRect(endX, 0, opts.width, endY + config.xAxisHeight );
	context.closePath();
	context.stroke();

    var points = [];
    for (var i = 0; i <= config.yAxisSplit; i++) {
        points.push(config.padding + eachSpacing * i);
    }
    
    
    rangesFormat.forEach(function (item, index) {
        var pos = points[index] ? points[index] : endY;
		context.beginPath();
		context.setFontSize(config.fontSize);
		context.setFillStyle(opts.yAxis.fontColor || '#666666');
        context.fillText(item, config.padding + config.yAxisTitleWidth, pos + config.fontSize / 2);
		context.closePath();
		context.stroke();
    });
    

    if (opts.yAxis.title) {
        drawYAxisTitle(opts.yAxis.title, opts, config, context);
    }
}

function drawLegend(series, opts, config, context) {
    if (opts.legend===false) {
        return;
    }
    // each legend shape width 15px
    // the spacing between shape and text in each legend is the `padding`
    // each legend spacing is the `padding`
    // legend margin top `config.padding`

    var _calLegendData = calLegendData(series, opts, config),
        legendList = _calLegendData.legendList;

    var padding = 5*opts.pixelRatio;
    var marginTop = 10*opts.pixelRatio;
    var shapeWidth = 15*opts.pixelRatio;
    legendList.forEach(function (itemList, listIndex) {
        var width = 0;
        itemList.forEach(function (item) {
            item.name = item.name || 'undefined';
            width += 3 * padding + measureText(item.name) + shapeWidth;
        });
        var startX = (opts.width - width) / 2 + padding;
        var startY = opts.height - config.padding - config.legendHeight + listIndex * (config.fontSize + marginTop) + padding + marginTop;

        context.setFontSize(config.fontSize);
        itemList.forEach(function (item) {
            switch (opts.type) {
                case 'line':
                    context.beginPath();
                    context.setLineWidth(1*opts.pixelRatio);
                    context.setStrokeStyle(item.color);
                    context.setFillStyle(item.color);
                    context.moveTo(startX + 7.5*opts.pixelRatio, startY + 5*opts.pixelRatio);
                    context.arc(startX + 7.5*opts.pixelRatio, startY + 5*opts.pixelRatio, 6*opts.pixelRatio, 0, 2 * Math.PI);
                    context.closePath();
                    context.fill();
                    context.stroke();
                    break;
                case 'pie':
					context.beginPath();
					context.setLineWidth(1*opts.pixelRatio);
					context.setStrokeStyle(item.color);
					context.setFillStyle(item.color);
					context.moveTo(startX + 7.5*opts.pixelRatio, startY + 5*opts.pixelRatio);
					context.arc(startX + 7.5*opts.pixelRatio, startY + 5*opts.pixelRatio, 6*opts.pixelRatio, 0, 2 * Math.PI);
					context.closePath();
					context.fill();
					context.stroke();
					break;
                case 'ring':
                    context.beginPath();
                    context.setLineWidth(1*opts.pixelRatio);
                    context.setStrokeStyle(item.color);
                    context.setFillStyle(item.color);
                    context.moveTo(startX + 7.5*opts.pixelRatio, startY + 5*opts.pixelRatio);
                    context.arc(startX + 7.5*opts.pixelRatio, startY + 5*opts.pixelRatio, 6*opts.pixelRatio, 0, 2 * Math.PI);
                    context.closePath();
                    context.fill();
                    context.stroke();
                    break;
				//圆弧进度图不显示图例
				case 'gauge':
					break;
				case 'arcbar':
					break;
                default:
                    context.beginPath();
                    context.setFillStyle(item.color);
                    context.moveTo(startX, startY);
                    context.fillRect(startX, startY, 15*opts.pixelRatio, 10*opts.pixelRatio);
                    context.closePath();
                    context.fill();
                    context.stroke();
            }
            startX += padding + shapeWidth;
            context.beginPath();
			context.setFontSize(config.fontSize);
            context.setFillStyle(opts.extra.legendTextColor || '#333333');
            context.fillText(item.name, startX, startY + 6*opts.pixelRatio+3*opts.pixelRatio);
            context.closePath();
            context.stroke();
            startX += measureText(item.name) + 2 * padding;
        });
    });
}

function drawPieDataPoints(series, opts, config, context) {
    var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;

    var pieOption = opts.extra.pie || {};
    series = getPieDataPoints(series, process);
    var centerPosition = {
        x: opts.width / 2,
        y: (opts.height - config.legendHeight) / 2
    };
    var radius = Math.min(centerPosition.x - config.pieChartLinePadding - config.pieChartTextPadding - config._pieTextMaxLength_, centerPosition.y - config.pieChartLinePadding - config.pieChartTextPadding);
    if (opts.dataLabel) {
        radius -= 10;
    } else {
        radius -= 2 * config.padding;
    }
	
	var activeRadius=radius+config.pieChartLinePadding/2;
	
	
    series = series.map(function (eachSeries) {
        eachSeries._start_ += (pieOption.offsetAngle || 0) * Math.PI / 180;
        return eachSeries;
    });
    series.forEach(function (eachSeries,seriesIndex) {
		if(opts.tooltip){
			if(opts.tooltip.index==seriesIndex){
				context.beginPath();
				context.setFillStyle(hexToRgb(eachSeries.color, opts.extra.pie.activeOpacity || 0.5));
				context.moveTo(centerPosition.x, centerPosition.y);
				context.arc(centerPosition.x, centerPosition.y, activeRadius, eachSeries._start_, eachSeries._start_ + 2 * eachSeries._proportion_ * Math.PI);
				context.closePath();
				context.fill();
			}
		}
        context.beginPath();
        context.setLineWidth(2*opts.pixelRatio);
        context.setStrokeStyle('#ffffff');
        context.setFillStyle(eachSeries.color);
        context.moveTo(centerPosition.x, centerPosition.y);
        context.arc(centerPosition.x, centerPosition.y, radius, eachSeries._start_, eachSeries._start_ + 2 * eachSeries._proportion_ * Math.PI);
        context.closePath();
        context.fill();
        if (opts.disablePieStroke !== true) {
            context.stroke();
        }
    });

    if (opts.type === 'ring') {
        var innerPieWidth = radius * 0.6;
        if (typeof opts.extra.pie.ringWidth === 'number' && opts.extra.pie.ringWidth > 0) {
            innerPieWidth = Math.max(0, radius - opts.extra.pie.ringWidth);
        }
        context.beginPath();
        context.setFillStyle(opts.background || '#ffffff');
        context.moveTo(centerPosition.x, centerPosition.y);
        context.arc(centerPosition.x, centerPosition.y, innerPieWidth, 0, 2 * Math.PI);
        context.closePath();
        context.fill();
    }

    if (opts.dataLabel !== false && process === 1) {
        // fix https://github.com/xiaolin3303/wx-charts/issues/132
        var valid = false;
        for (var i = 0, len = series.length; i < len; i++) {
            if (series[i].data > 0) {
                valid = true;
                break;
            }
        }

        if (valid) {
            drawPieText(series, opts, config, context, radius, centerPosition);
        }
    }

    if (process === 1 && opts.type === 'ring') {
        drawRingTitle(opts, config, context);
    }

    return {
        center: centerPosition,
        radius: radius,
        series: series
    };
}

function drawArcbarDataPoints(series, opts, config, context) {
    var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;

    var arcbarOption = opts.extra.arcbar || {};
	arcbarOption.startAngle=arcbarOption.startAngle? arcbarOption.startAngle: 0.75;
	arcbarOption.endAngle=arcbarOption.endAngle? arcbarOption.endAngle : 0.25;
	arcbarOption.type=arcbarOption.type? arcbarOption.type : 'default';
	
    series = getArcbarDataPoints(series, arcbarOption, process);
    var centerPosition = {
        x: opts.width / 2,
        y: (opts.height) / 2
    };
    var radius = Math.min(centerPosition.x , centerPosition.y);
   
	if (typeof arcbarOption.width === 'number' && arcbarOption.width > 0) {
	    arcbarOption.width=arcbarOption.width;
	}else{
		arcbarOption.width=12*opts.pixelRatio;
	}
	radius -= config.padding+arcbarOption.width/2;
	
	//背景颜色
	context.setLineWidth(arcbarOption.width); // 设置圆环的宽度
	context.setStrokeStyle(arcbarOption.backgroundColor || '#E9E9E9'); // 设置圆环的颜色
	context.setLineCap('round'); // 设置圆环端点的形状
	context.beginPath(); //开始一个新的路径
	if(arcbarOption.type=='default'){
		context.arc(centerPosition.x, centerPosition.y, radius, arcbarOption.startAngle * Math.PI, arcbarOption.endAngle * Math.PI, false);
	}else{
		context.arc(centerPosition.x, centerPosition.y, radius, 0, 2 * Math.PI, false);
	}
	
	context.stroke(); //对当前路径进行描边
		
			
    series.forEach(function (eachSeries) {
		context.setLineWidth(arcbarOption.width);
		context.setStrokeStyle(eachSeries.color);
		context.setLineCap('round');
		context.beginPath();
		context.arc(centerPosition.x, centerPosition.y, radius, arcbarOption.startAngle * Math.PI, eachSeries._proportion_ * Math.PI, false);
		context.stroke();
		
    });
    drawRingTitle(opts, config, context);
    return {
        center: centerPosition,
        radius: radius,
        series: series
    };
}

function drawGaugeDataPoints(categories,series, opts, config, context) {
	var process = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 1;
	var gaugeOption = opts.extra.gauge || {};
	gaugeOption.startAngle=gaugeOption.startAngle? gaugeOption.startAngle: 0.75;
	if(gaugeOption.oldAngle==undefined){
		gaugeOption.oldAngle=gaugeOption.startAngle;
	}
	if(gaugeOption.oldData==undefined){
		gaugeOption.oldData=0;
	}
	gaugeOption.endAngle=gaugeOption.endAngle? gaugeOption.endAngle : 0.25;
	categories = getGaugeAxisPoints(categories,gaugeOption.startAngle,gaugeOption.endAngle);
	var centerPosition = {
	    x: opts.width / 2,
	    y: (opts.height) / 2
	};
	var radius = Math.min(centerPosition.x , centerPosition.y);
	if (typeof gaugeOption.width === 'number' && gaugeOption.width > 0) {
	    gaugeOption.width=gaugeOption.width;
	}else{
		gaugeOption.width=15*opts.pixelRatio;
	}
	radius -= config.padding+gaugeOption.width/2;
	var innerRadius = radius-gaugeOption.width;
	
	
	
	//画背景
	context.setLineWidth(gaugeOption.width);
	context.setLineCap('butt'); 
	categories.forEach(function (eachCategories) {
		context.beginPath(); 
		context.setStrokeStyle(eachCategories.color); 
		context.arc(centerPosition.x, centerPosition.y, radius, eachCategories._startAngle_ * Math.PI, eachCategories._endAngle_ * Math.PI, false);
		context.stroke(); 
	});
	context.save();
	
	//画刻度线
	let totalAngle=gaugeOption.startAngle-gaugeOption.endAngle+1;
	gaugeOption.splitLine.fixRadius=gaugeOption.splitLine.fixRadius? gaugeOption.splitLine.fixRadius : 0;
	gaugeOption.splitLine.splitNumber=gaugeOption.splitLine.splitNumber? gaugeOption.splitLine.splitNumber : 10;
	gaugeOption.splitLine.width=gaugeOption.splitLine.width? gaugeOption.splitLine.width : 15*opts.pixelRatio ;
	gaugeOption.splitLine.color=gaugeOption.splitLine.color? gaugeOption.splitLine.color : '#FFFFFF';
	gaugeOption.splitLine.childNumber=gaugeOption.splitLine.childNumber? gaugeOption.splitLine.childNumber : 5;
	gaugeOption.splitLine.childWidth=gaugeOption.splitLine.childWidth? gaugeOption.splitLine.childWidth : 5*opts.pixelRatio;
	
	let splitAngle=totalAngle/gaugeOption.splitLine.splitNumber;
	let childAngle=totalAngle/gaugeOption.splitLine.splitNumber/gaugeOption.splitLine.childNumber;
	let startX=-radius-gaugeOption.width*0.5-gaugeOption.splitLine.fixRadius;
	let endX=-radius-gaugeOption.width*0.5-gaugeOption.splitLine.fixRadius+gaugeOption.splitLine.width;
	let childendX=-radius-gaugeOption.width*0.5-gaugeOption.splitLine.fixRadius+gaugeOption.splitLine.childWidth;
	
	context.translate(centerPosition.x, centerPosition.y);
	context.rotate((gaugeOption.startAngle-1)* Math.PI);
	
	for(let i=0 ; i< gaugeOption.splitLine.splitNumber+1; i++){
		context.beginPath();
		context.setStrokeStyle(gaugeOption.splitLine.color);
		context.setLineWidth(2*opts.pixelRatio);
		context.moveTo(startX, 0);
		context.lineTo(endX, 0);
		context.stroke();
		context.rotate(splitAngle* Math.PI);
	}
	context.restore();
	
	context.save();
	context.translate(centerPosition.x, centerPosition.y);
	context.rotate((gaugeOption.startAngle-1)* Math.PI);
	
	for(let i=0 ; i< gaugeOption.splitLine.splitNumber*gaugeOption.splitLine.childNumber+1; i++){
		context.beginPath();
		context.setStrokeStyle(gaugeOption.splitLine.color);
		context.setLineWidth(1*opts.pixelRatio);
		context.moveTo(startX, 0);
		context.lineTo(childendX, 0);
		context.stroke();
		context.rotate(childAngle* Math.PI);
	}
	context.restore();
	
	//画指针
	gaugeOption.pointer.width=gaugeOption.pointer.width? gaugeOption.pointer.width : 15*opts.pixelRatio;
	if (gaugeOption.pointer.color == undefined || gaugeOption.pointer.color == 'auto') {
	    gaugeOption.pointer.color == 'auto';
	}else{
		gaugeOption.pointer.color == gaugeOption.pointer.color;
	}
	series = getGaugeDataPoints(series,categories,gaugeOption, process);
	
	series.forEach(function (eachSeries) {
		context.save();
		context.translate(centerPosition.x, centerPosition.y);
		context.rotate((eachSeries._proportion_-1)* Math.PI);
		context.beginPath();
		context.setFillStyle(eachSeries.color);
		context.moveTo(gaugeOption.pointer.width, 0);
		context.lineTo(0,-gaugeOption.pointer.width/2);
		context.lineTo(-innerRadius,0);
		context.lineTo(0,gaugeOption.pointer.width/2);
		context.lineTo(gaugeOption.pointer.width,0);
		context.closePath();
		context.fill();
		context.beginPath(); 
		context.setFillStyle('#FFFFFF');
		context.arc(0, 0, gaugeOption.pointer.width/6, 0,2* Math.PI, false);
		context.fill();
		context.restore();
	});
	
	if (opts.dataLabel !== false) {
		drawGaugeLabel(gaugeOption, radius, centerPosition, opts, config, context);
	}
	
	drawRingTitle(opts, config, context);
	
	if (process === 1 && opts.type === 'gauge') {
		gaugeOption.oldAngle=series[0]._proportion_;
		gaugeOption.oldData=series[0].data;
	}
	return {
	    center: centerPosition,
	    radius: radius,
		innerRadius:innerRadius,
	    categories: categories,
		totalAngle:totalAngle
	};
}

function drawRadarDataPoints(series, opts, config, context) {
    var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;

    var radarOption = opts.extra.radar || {};
    var coordinateAngle = getRadarCoordinateSeries(opts.categories.length);
    var centerPosition = {
        x: opts.width / 2,
        y: (opts.height - config.legendHeight) / 2
    };

    var radius = Math.min(centerPosition.x - (getMaxTextListLength(opts.categories) + config.radarLabelTextMargin), centerPosition.y - config.radarLabelTextMargin);

    radius -= config.padding;

    // draw grid
    context.beginPath();
    context.setLineWidth(1*opts.pixelRatio);
    context.setStrokeStyle(radarOption.gridColor || "#cccccc");
    coordinateAngle.forEach(function (angle) {
        var pos = convertCoordinateOrigin(radius * Math.cos(angle), radius * Math.sin(angle), centerPosition);
        context.moveTo(centerPosition.x, centerPosition.y);
        context.lineTo(pos.x, pos.y);
    });
    context.stroke();
    context.closePath();

    // draw split line grid

    var _loop = function _loop(i) {
        var startPos = {};
        context.beginPath();
        context.setLineWidth(1*opts.pixelRatio);
        context.setStrokeStyle(radarOption.gridColor || "#cccccc");
        coordinateAngle.forEach(function (angle, index) {
            var pos = convertCoordinateOrigin(radius / config.radarGridCount * i * Math.cos(angle), radius / config.radarGridCount * i * Math.sin(angle), centerPosition);
            if (index === 0) {
                startPos = pos;
                context.moveTo(pos.x, pos.y);
            } else {
                context.lineTo(pos.x, pos.y);
            }
        });
        context.lineTo(startPos.x, startPos.y);
        context.stroke();
        context.closePath();
    };

    for (var i = 1; i <= config.radarGridCount; i++) {
        _loop(i);
    }

    var radarDataPoints = getRadarDataPoints(coordinateAngle, centerPosition, radius, series, opts, process);
	
    radarDataPoints.forEach(function (eachSeries, seriesIndex) {
        // 绘制区域数据
        context.beginPath();
        context.setFillStyle(eachSeries.color);
        context.setGlobalAlpha(0.3);
        eachSeries.data.forEach(function (item, index) {
            if (index === 0) {
                context.moveTo(item.position.x, item.position.y);
            } else {
                context.lineTo(item.position.x, item.position.y);
            }
        });
        context.closePath();
        context.fill();
        context.setGlobalAlpha(1);

        if (opts.dataPointShape !== false) {
            var shape = config.dataPointShape[seriesIndex % config.dataPointShape.length];
            var points = eachSeries.data.map(function (item) {
                return item.position;
            });
            drawPointShape(points, eachSeries.color, shape, context,opts);
        }
    });
    // draw label text
    drawRadarLabel(coordinateAngle, radius, centerPosition, opts, config, context);

    return {
        center: centerPosition,
        radius: radius,
        angleList: coordinateAngle
    };
}

function drawCanvas(opts, context) {
    context.draw();
}

var Timing = {
    easeIn: function easeIn(pos) {
        return Math.pow(pos, 3);
    },

    easeOut: function easeOut(pos) {
        return Math.pow(pos - 1, 3) + 1;
    },

    easeInOut: function easeInOut(pos) {
        if ((pos /= 0.5) < 1) {
            return 0.5 * Math.pow(pos, 3);
        } else {
            return 0.5 * (Math.pow(pos - 2, 3) + 2);
        }
    },

    linear: function linear(pos) {
        return pos;
    }
};

function Animation(opts) {
    this.isStop = false;
    opts.duration = typeof opts.duration === 'undefined' ? 1000 : opts.duration;
    opts.timing = opts.timing || 'linear';

    var delay = 17;

    var createAnimationFrame = function createAnimationFrame() {
		
        if (typeof requestAnimationFrame !== 'undefined') {
			return requestAnimationFrame;
        } else if (typeof setTimeout !== 'undefined') {
			
            return function (step, delay) {
                setTimeout(function () {
                    var timeStamp = +new Date();
                    step(timeStamp);
                }, delay);
            };
        } else {
			
            return function (step) {
                step(null);
            };
        }
    };
    var animationFrame = createAnimationFrame();
    var startTimeStamp = null;
	
    var _step = function step(timestamp) {
		
        if (timestamp === null || this.isStop === true) {
            opts.onProcess && opts.onProcess(1);
            opts.onAnimationFinish && opts.onAnimationFinish();
            return;
        }
        if (startTimeStamp === null) {
            startTimeStamp = timestamp;
        }
        if (timestamp - startTimeStamp < opts.duration) {
            var process = (timestamp - startTimeStamp) / opts.duration;
            var timingFunction = Timing[opts.timing];
            process = timingFunction(process);
			
            opts.onProcess && opts.onProcess(process);
            animationFrame(_step, delay);
        } else {
            opts.onProcess && opts.onProcess(1);
            opts.onAnimationFinish && opts.onAnimationFinish();
        }
    };
    _step = _step.bind(this);
    animationFrame(_step, delay);
}

// stop animation immediately
// and tigger onAnimationFinish
Animation.prototype.stop = function () {
    this.isStop = true;
};

function drawCharts(type, opts, config, context) {
    var _this = this;

    var series = opts.series;
    var categories = opts.categories;
    series = fillSeriesColor(series, config);
	series = fillSeriesType(series, opts);
	
    var _calLegendData = calLegendData(series, opts, config),
        legendHeight = _calLegendData.legendHeight;

    config.legendHeight = legendHeight;

    var _calYAxisData = calYAxisData(series, opts, config),
        yAxisWidth = _calYAxisData.yAxisWidth;

    config.yAxisWidth = yAxisWidth;
    if (categories && categories.length) {
        var _calCategoriesData = calCategoriesData(categories, opts, config),
            xAxisHeight = _calCategoriesData.xAxisHeight,
            angle = _calCategoriesData.angle;

        config.xAxisHeight = xAxisHeight;
        config._xAxisTextAngle_ = angle;
    }
    if (type === 'pie' || type === 'ring') {
        config._pieTextMaxLength_ = opts.dataLabel === false ? 0 : getPieTextMaxLength(series);
    }

    var duration = opts.animation ? 1000 : 0;
    this.animationInstance && this.animationInstance.stop();
	
	//先清空画布,不然百度和支付宝ToolTip有重影
	context.clearRect(0, 0, opts.width, opts.height);
	
	
    switch (type) {
        case 'line':
            this.animationInstance = new Animation({
                timing: 'easeIn',
                duration: duration,
                onProcess: function onProcess(process) {
					if(opts.rotate){
						contextRotate(context,opts);
					}
                    drawYAxisGrid(categories,opts, config, context);
                    drawXAxis(categories, opts, config, context);
                    var _drawLineDataPoints = drawLineDataPoints(series, opts, config, context, process),
                        xAxisPoints = _drawLineDataPoints.xAxisPoints,
                        calPoints = _drawLineDataPoints.calPoints,
                        eachSpacing = _drawLineDataPoints.eachSpacing;

                    _this.chartData.xAxisPoints = xAxisPoints;
                    _this.chartData.calPoints = calPoints;
                    _this.chartData.eachSpacing = eachSpacing;
                    drawLegend(opts.series, opts, config, context);
                    drawYAxis(series, opts, config, context);
					drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
                    drawCanvas(opts, context);
					
                },
                onAnimationFinish: function onAnimationFinish() {
                    _this.event.trigger('renderComplete');
                }
            });
			
            break;
		case 'mix':
		    this.animationInstance = new Animation({
		        timing: 'easeIn',
		        duration: duration,
		        onProcess: function onProcess(process) {
					if(opts.rotate){
						contextRotate(context,opts);
					}
		            drawYAxisGrid(categories,opts, config, context);
		            drawXAxis(categories, opts, config, context);
		            var _drawMixDataPoints = drawMixDataPoints(series, opts, config, context, process),
		                xAxisPoints = _drawMixDataPoints.xAxisPoints,
		                calPoints = _drawMixDataPoints.calPoints,
		                eachSpacing = _drawMixDataPoints.eachSpacing;
		
		            _this.chartData.xAxisPoints = xAxisPoints;
		            _this.chartData.calPoints = calPoints;
		            _this.chartData.eachSpacing = eachSpacing;
		            drawLegend(opts.series, opts, config, context);
		            drawYAxis(series, opts, config, context);
					drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
		            drawCanvas(opts, context);
		        },
		        onAnimationFinish: function onAnimationFinish() {
		            _this.event.trigger('renderComplete');
		        }
		    });
			
		    break;
        case 'column':
		    this.animationInstance = new Animation({
                timing: 'easeIn',
                duration: duration,
                onProcess: function onProcess(process) {
					if(opts.rotate){
						contextRotate(context,opts);
					}
					drawYAxisGrid(categories,opts, config, context);
                    drawXAxis(categories, opts, config, context);
                    var _drawColumnDataPoints = drawColumnDataPoints(series, opts, config, context, process),
                        xAxisPoints = _drawColumnDataPoints.xAxisPoints,
						calPoints = _drawColumnDataPoints.calPoints,
                        eachSpacing = _drawColumnDataPoints.eachSpacing;
                    _this.chartData.xAxisPoints = xAxisPoints;
					_this.chartData.calPoints = calPoints;
                    _this.chartData.eachSpacing = eachSpacing;
                    drawLegend(opts.series, opts, config, context);
                    drawYAxis(series, opts, config, context);
					drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
                    drawCanvas(opts, context);
                },
                onAnimationFinish: function onAnimationFinish() {
                    _this.event.trigger('renderComplete');
                }
            });
            break;
        case 'area':
            this.animationInstance = new Animation({
                timing: 'easeIn',
                duration: duration,
                onProcess: function onProcess(process) {
					if(opts.rotate){
						contextRotate(context,opts);
					}
					drawYAxisGrid(categories,opts, config, context);
                    drawXAxis(categories, opts, config, context);
                    var _drawAreaDataPoints = drawAreaDataPoints(series, opts, config, context, process),
                        xAxisPoints = _drawAreaDataPoints.xAxisPoints,
                        calPoints = _drawAreaDataPoints.calPoints,
                        eachSpacing = _drawAreaDataPoints.eachSpacing;

                    _this.chartData.xAxisPoints = xAxisPoints;
                    _this.chartData.calPoints = calPoints;
                    _this.chartData.eachSpacing = eachSpacing;
                    drawLegend(opts.series, opts, config, context);
                    drawYAxis(series, opts, config, context);
					drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
                    
                    drawCanvas(opts, context);
                },
                onAnimationFinish: function onAnimationFinish() {
                    _this.event.trigger('renderComplete');
                }
            });
            break;
        case 'ring':
        case 'pie':
            this.animationInstance = new Animation({
                timing: 'easeInOut',
                duration: duration,
                onProcess: function onProcess(process) {
					if(opts.rotate){
						contextRotate(context,opts);
					}
					_this.chartData.pieData = drawPieDataPoints(series, opts, config, context, process);
                    drawLegend(opts.series, opts, config, context);
					drawToolTipBridge(opts, config, context, process);
                    drawCanvas(opts, context);
                },
                onAnimationFinish: function onAnimationFinish() {
                    _this.event.trigger('renderComplete');
                }
            });
            break;
        case 'radar':
            this.animationInstance = new Animation({
                timing: 'easeInOut',
                duration: duration,
                onProcess: function onProcess(process) {
					if(opts.rotate){
						contextRotate(context,opts);
					}
					_this.chartData.radarData = drawRadarDataPoints(series, opts, config, context, process);
                    drawLegend(opts.series, opts, config, context);
                    drawCanvas(opts, context);
                },
                onAnimationFinish: function onAnimationFinish() {
                    _this.event.trigger('renderComplete');
                }
            });
            break;
		case 'arcbar':
			this.animationInstance = new Animation({
			    timing: 'easeInOut',
			    duration: duration,
			    onProcess: function onProcess(process) {
					if(opts.rotate){
						contextRotate(context,opts);
					}
					_this.chartData.arcbarData = drawArcbarDataPoints(series, opts, config, context, process);
			        drawCanvas(opts, context);
			    },
			    onAnimationFinish: function onAnimationFinish() {
			        _this.event.trigger('renderComplete');
			    }
			});
			break;
		case 'gauge':
			this.animationInstance = new Animation({
			    timing: 'easeInOut',
			    duration: duration,
			    onProcess: function onProcess(process) {
					if(opts.rotate){
						contextRotate(context,opts);
					}
					_this.chartData.gaugeData = drawGaugeDataPoints(categories, series,opts, config, context, process);
			        drawCanvas(opts, context);
			    },
			    onAnimationFinish: function onAnimationFinish() {
			        _this.event.trigger('renderComplete');
			    }
			});
			break;
		case 'candle':
		    this.animationInstance = new Animation({
		        timing: 'easeIn',
		        duration: duration,
		        onProcess: function onProcess(process) {
					if(opts.rotate){
						contextRotate(context,opts);
					}
					drawYAxisGrid(categories,opts, config, context);
					drawXAxis(categories, opts, config, context);
					var _drawCandleDataPoints = drawCandleDataPoints(series, opts, config, context, process),
					    xAxisPoints = _drawCandleDataPoints.xAxisPoints,
					    calPoints = _drawCandleDataPoints.calPoints,
					    eachSpacing = _drawCandleDataPoints.eachSpacing;
					
					_this.chartData.xAxisPoints = xAxisPoints;
					_this.chartData.calPoints = calPoints;
					_this.chartData.eachSpacing = eachSpacing;
					drawLegend(opts.series, opts, config, context);
					drawYAxis(series, opts, config, context);
					drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
					drawCanvas(opts, context);
		        },
		        onAnimationFinish: function onAnimationFinish() {
		            _this.event.trigger('renderComplete');
		        }
		    });
		    break;
    }
}

// simple event implement

function Event() {
	this.events = {};
}

Event.prototype.addEventListener = function (type, listener) {
	this.events[type] = this.events[type] || [];
	this.events[type].push(listener);
};

Event.prototype.trigger = function () {
	for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
		args[_key] = arguments[_key];
	}

	var type = args[0];
	var params = args.slice(1);
	if (!!this.events[type]) {
		this.events[type].forEach(function (listener) {
			try {
				listener.apply(null, params);
			} catch (e) {
				console.error(e);
			}
		});
	}
};

var Charts = function Charts(opts) {
	opts.fontSize=opts.fontSize ? opts.fontSize*opts.pixelRatio : 13*opts.pixelRatio;
    opts.title = opts.title || {};
    opts.subtitle = opts.subtitle || {};
    opts.yAxis = opts.yAxis || {};
	opts.yAxis.gridType=opts.yAxis.gridType? opts.yAxis.gridType : 'solid';
	opts.yAxis.dashLength=opts.yAxis.dashLength? opts.yAxis.dashLength : 4*opts.pixelRatio;
    opts.xAxis = opts.xAxis || {};
	opts.xAxis.rotateLabel = opts.xAxis.rotateLabel ? true : false;
	opts.xAxis.type=opts.xAxis.type? opts.xAxis.type : 'calibration';
	opts.xAxis.gridType=opts.xAxis.gridType? opts.xAxis.gridType : 'solid';
	opts.xAxis.dashLength=opts.xAxis.dashLength? opts.xAxis.dashLength : 4*opts.pixelRatio;
	opts.xAxis.itemCount = opts.xAxis.itemCount ? opts.xAxis.itemCount : 5;
	opts.xAxis.scrollAlign = opts.xAxis.scrollAlign ? opts.xAxis.scrollAlign : 'left';
    opts.extra = opts.extra || {};
	
    opts.legend = opts.legend === false ? false : true;
	opts.rotate = opts.rotate ? true : false;
    opts.animation = opts.animation === false ? false : true;
    var config$$1 = assign({}, config);
    config$$1.yAxisTitleWidth = opts.yAxis.disabled !== true && opts.yAxis.title ? config$$1.yAxisTitleWidth : 0;
    if(opts.type == 'pie' || opts.type == 'ring' ){
    	 config$$1.pieChartLinePadding = opts.dataLabel === false ? 0 : opts.extra.pie.lableWidth || config$$1.pieChartLinePadding*opts.pixelRatio;
    }
    config$$1.pieChartTextPadding = opts.dataLabel === false ? 0 : config$$1.pieChartTextPadding*opts.pixelRatio;
	config$$1.yAxisSplit = opts.yAxis.splitNumber? opts.yAxis.splitNumber : config.yAxisSplit;
	//屏幕旋转
	config$$1.rotate=opts.rotate;
	if(opts.rotate){
		let tempWidth=opts.width;
		let tempHeight=opts.height;
		opts.width=tempHeight;
		opts.height=tempWidth;
	}
	
	//适配H5高分屏
	config$$1.yAxisWidth=config.yAxisWidth*opts.pixelRatio;
	config$$1.xAxisHeight=config.xAxisHeight*opts.pixelRatio;
	if(opts.enableScroll && opts.xAxis.scrollShow){
		config$$1.xAxisHeight+=4*opts.pixelRatio;
	}
	config$$1.xAxisLineHeight=config.xAxisLineHeight*opts.pixelRatio;
	config$$1.legendHeight=config.legendHeight*opts.pixelRatio;
	//config$$1.yAxisTitleWidth=config.yAxisTitleWidth*opts.pixelRatio;
	config$$1.padding=config.padding*opts.pixelRatio;
	config$$1.fontSize=opts.fontSize;
	config$$1.titleFontSize=config.titleFontSize*opts.pixelRatio;
	config$$1.subtitleFontSize=config.subtitleFontSize*opts.pixelRatio;
	config$$1.toolTipPadding=config.toolTipPadding*opts.pixelRatio;
	config$$1.toolTipLineHeight=config.toolTipLineHeight*opts.pixelRatio;
	config$$1.columePadding=config.columePadding*opts.pixelRatio;
	//config$$1.xAxisTextPadding=config.xAxisTextPadding*opts.pixelRatio;
	
	//向配置中传入当前pixelRatio及字体大小
	config.pixelRatio=opts.pixelRatio;
	config.fontSize=opts.fontSize;
	config.rotate=opts.rotate;
	
    this.opts = opts;
    this.config = config$$1;
	opts.$this = opts.$this? opts.$this : this;
    this.context = uni.createCanvasContext(opts.canvasId, opts.$this);
    // store calcuated chart data
    // such as chart point coordinate
    this.chartData = {};
    this.event = new Event();
	
    this.scrollOption = {
        currentOffset: 0,
        startTouchX: 0,
        distance: 0
    };
	
	//计算右对齐偏移距离
	if(opts.enableScroll && opts.xAxis.scrollAlign=='right'){
		let _calYAxisData = calYAxisData(opts.series, opts, config$$1),
		    yAxisWidth = _calYAxisData.yAxisWidth;
		config$$1.yAxisWidth = yAxisWidth;
		let offsetLeft=0;
		let _getXAxisPoints0 = getXAxisPoints(opts.categories, opts, config$$1),
		    xAxisPoints = _getXAxisPoints0.xAxisPoints,
		    startX = _getXAxisPoints0.startX,
		    endX = _getXAxisPoints0.endX,
		    eachSpacing = _getXAxisPoints0.eachSpacing;
		let totalWidth=eachSpacing*(xAxisPoints.length-1);
		let screenWidth=endX-startX;
		offsetLeft=screenWidth-totalWidth;
		this.scrollOption = {
		    currentOffset: offsetLeft,
		    startTouchX: offsetLeft,
		    distance: 0
		};
		opts._scrollDistance_= offsetLeft;
	}
	
    drawCharts.call(this, opts.type, opts, config$$1, this.context);
};

Charts.prototype.updateData = function () {
    var data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    this.opts.series = data.series || this.opts.series;
    this.opts.categories = data.categories || this.opts.categories;

    this.opts.title = assign({}, this.opts.title, data.title || {});
    this.opts.subtitle = assign({}, this.opts.subtitle, data.subtitle || {});

    drawCharts.call(this, this.opts.type, this.opts, this.config, this.context);
};

Charts.prototype.zoom = function () {
    var val = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.opts.xAxis.itemCount;
	if(this.opts.enableScroll!==true){
		console.log('请启用滚动条后使用！')
		return;
	}
	this.opts.animation=false;
    this.opts.xAxis.itemCount = val.itemCount;
    drawCharts.call(this, this.opts.type, this.opts, this.config, this.context);
};

Charts.prototype.stopAnimation = function () {
    this.animationInstance && this.animationInstance.stop();
};

Charts.prototype.addEventListener = function (type, listener) {
    this.event.addEventListener(type, listener);
};

Charts.prototype.getCurrentDataIndex = function (e) {
    var touches= e.mp.changedTouches[0];
    if (touches) {
        var _touches$= getTouches(touches, this.opts, e);
        if (this.opts.type === 'pie' || this.opts.type === 'ring') {
            return findPieChartCurrentIndex({ x: _touches$.x, y: _touches$.y }, this.chartData.pieData);
        } else if (this.opts.type === 'radar') {
            return findRadarChartCurrentIndex({ x: _touches$.x, y: _touches$.y }, this.chartData.radarData, this.opts.categories.length);
        } else {
            return findCurrentIndex({ x: _touches$.x, y: _touches$.y }, this.chartData.xAxisPoints, this.opts, this.config, Math.abs(this.scrollOption.currentOffset));
        }
    }
    return -1;
};

Charts.prototype.showToolTip = function (e) {
    var option = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
	var touches= e.mp.changedTouches[0];
	var _touches$= getTouches(touches, this.opts, e);
	
    if (this.opts.type === 'line' || this.opts.type === 'area' || this.opts.type === 'mix' || this.opts.type === 'column') {
        var index = this.getCurrentDataIndex(e);
        var currentOffset = this.scrollOption.currentOffset;
		
        var opts = assign({}, this.opts, {
            _scrollDistance_: currentOffset,
            animation: false
        });
        if (index > -1) {
			
            var seriesData = getSeriesDataItem(this.opts.series, index);
            if (seriesData.length !== 0) {
                var _getToolTipData = getToolTipData(seriesData, this.chartData.calPoints, index, this.opts.categories, option),
                    textList = _getToolTipData.textList,
                    offset = _getToolTipData.offset;
				offset.y=_touches$.y;
                opts.tooltip = {
                    textList: textList,
                    offset: offset,
                    option: option,
					index: index
                };
            }
        }
        drawCharts.call(this, opts.type, opts, this.config, this.context);
    }
	if (this.opts.type === 'candle') {
		
	    var index = this.getCurrentDataIndex(e);
	    var currentOffset = this.scrollOption.currentOffset;
		
	    var opts = assign({}, this.opts, {
	        _scrollDistance_: currentOffset,
	        animation: false
	    });
	    if (index > -1) {
	        var seriesData = getSeriesDataItem(this.opts.series, index);
	        if (seriesData.length !== 0) {
	            var _getToolTipData = getCandleToolTipData(this.opts.series[0].data,seriesData, this.chartData.calPoints, index, this.opts.categories, this.opts.extra.candle, option),
	                textList = _getToolTipData.textList,
	                offset = _getToolTipData.offset;
				offset.y=_touches$.y;
	            opts.tooltip = {
	                textList: textList,
	                offset: offset,
	                option: option,
					index: index
	            };
	        }
	    }
	    drawCharts.call(this, opts.type, opts, this.config, this.context);
	}
	if (this.opts.type === 'pie' || this.opts.type === 'ring') {
	    var index = this.getCurrentDataIndex(e);
	    var currentOffset = this.scrollOption.currentOffset;
		
	    var opts = assign({}, this.opts, {
	        _scrollDistance_: currentOffset,
	        animation: false
	    });
	    if (index > -1) {
			
	        var seriesData = this.opts.series[index];
			var textList =[{
				text: option.format ? option.format(seriesData) : seriesData.name + ': ' + seriesData.data,
				color: seriesData.color
			}];
			var offset = {x:_touches$.x,y:_touches$.y};
			
			opts.tooltip = {
				textList: textList,
				offset: offset,
				option: option,
				index: index
			};
	    }
	    drawCharts.call(this, opts.type, opts, this.config, this.context);
	}
};

Charts.prototype.scrollStart = function (e) {
	var touches= e.mp.changedTouches[0];
	var _touches$= getTouches(touches, this.opts, e);
    if (touches && this.opts.enableScroll === true) {
		if(touches.x){
			this.scrollOption.startTouchX = _touches$.x;
		}else{
			this.scrollOption.startTouchX = _touches$.clientX;
		}
    }
};

Charts.prototype.scroll = function (e) {
    // TODO throtting...
	var touches= e.mp.changedTouches[0];
	var _touches$= getTouches(touches, this.opts, e);
    if (touches && this.opts.enableScroll === true) {
		var _distance;
		if(touches.x){
			_distance = _touches$.x - this.scrollOption.startTouchX;
		}else{
			_distance = _touches$.clientX - this.scrollOption.startTouchX;
		}
        var currentOffset = this.scrollOption.currentOffset;

        var validDistance = calValidDistance(currentOffset + _distance, this.chartData, this.config, this.opts);

        this.scrollOption.distance = _distance = validDistance - currentOffset;
        var opts = assign({}, this.opts, {
            _scrollDistance_: currentOffset + _distance,
            animation: false
        });
        drawCharts.call(this, opts.type, opts, this.config, this.context);
    }
};

Charts.prototype.scrollEnd = function (e) {
    if (this.opts.enableScroll === true) {
        var _scrollOption = this.scrollOption,
            currentOffset = _scrollOption.currentOffset,
            distance = _scrollOption.distance;

        this.scrollOption.currentOffset = currentOffset + distance;
        this.scrollOption.distance = 0;
    }
};

module.exports = Charts;