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wxcharts-min.js

wxcharts-min.js 30 KB
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  1. /*
    2. 

  2.  * charts for WeChat small app v1.0
    3. 

  3.  *
    4. 

  4.  * https://github.com/xiaolin3303/wx-charts
    5. 

  5.  * 2016-11-28
    6. 

  6.  *
    7. 

  7.  * Designed and built with all the love of Web
    8. 

  8.  */
    9. 

  9.  
    10. 

  10. "use strict";function assign(t,e){if(null==t)throw new TypeError("Cannot convert undefined or null to object");for(var i=Object(t),a=1;a<arguments.length;a++){var n=arguments[a];if(null!=n)for(var o in n)Object.prototype.hasOwnProperty.call(n,o)&&(i[o]=n[o])}return i}function findRange(t,e,i){if(isNaN(t))throw new Error("[wxCharts] unvalid series data!");i=i||10,e=e||"upper";for(var a=1;i<1;)i*=10,a*=10;for(t="upper"===e?Math.ceil(t*a):Math.floor(t*a);t%i!=0;)"upper"===e?t++:t--;return t/a}function calValidDistance(t,e,i,a){var n=a.width-i.padding-e.xAxisPoints[0],o=e.eachSpacing*a.categories.length,r=t;return t>=0?r=0:Math.abs(t)>=o-n&&(r=n-o),r}function isInAngleRange(t,e,i){function a(t){for(;t<0;)t+=2*Math.PI;for(;t>2*Math.PI;)t-=2*Math.PI;return t}return t=a(t),e=a(e),i=a(i),e>i&&(i+=2*Math.PI,t<e&&(t+=2*Math.PI)),t>=e&&t<=i}function calRotateTranslate(t,e,i){var a=t,n=i-e,o=a+(i-n-a)/Math.sqrt(2);return o*=-1,{transX:o,transY:(i-n)*(Math.sqrt(2)-1)-(i-n-a)/Math.sqrt(2)}}function createCurveControlPoints(t,e){function i(t,e){return!(!t[e-1]||!t[e+1])&&(t[e].y>=Math.max(t[e-1].y,t[e+1].y)||t[e].y<=Math.min(t[e-1].y,t[e+1].y))}var a=null,n=null,o=null,r=null;if(e<1?(a=t[0].x+.2*(t[1].x-t[0].x),n=t[0].y+.2*(t[1].y-t[0].y)):(a=t[e].x+.2*(t[e+1].x-t[e-1].x),n=t[e].y+.2*(t[e+1].y-t[e-1].y)),e>t.length-3){var s=t.length-1;o=t[s].x-.2*(t[s].x-t[s-1].x),r=t[s].y-.2*(t[s].y-t[s-1].y)}else o=t[e+1].x-.2*(t[e+2].x-t[e].x),r=t[e+1].y-.2*(t[e+2].y-t[e].y);return i(t,e+1)&&(r=t[e+1].y),i(t,e)&&(n=t[e].y),{ctrA:{x:a,y:n},ctrB:{x:o,y:r}}}function convertCoordinateOrigin(t,e,i){return{x:i.x+t,y:i.y-e}}function avoidCollision(t,e){if(e)for(;util.isCollision(t,e);)t.start.x>0?t.start.y--:t.start.x<0?t.start.y++:t.start.y>0?t.start.y++:t.start.y--;return t}function fillSeriesColor(t,e){var i=0;return t.map(function(t){return t.color||(t.color=e.colors[i],i=(i+1)%e.colors.length),t})}function getDataRange(t,e){var i=0,a=e-t;return i=a>=1e4?1e3:a>=1e3?100:a>=100?10:a>=10?5:a>=1?1:a>=.1?.1:.01,{minRange:findRange(t,"lower",i),maxRange:findRange(e,"upper",i)}}function measureText(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:10;t=String(t);var t=t.split(""),i=0;return t.forEach(function(t){/[a-zA-Z]/.test(t)?i+=7:/[0-9]/.test(t)?i+=5.5:/\./.test(t)?i+=2.7:/-/.test(t)?i+=3.25:/[\u4e00-\u9fa5]/.test(t)?i+=10:/\(|\)/.test(t)?i+=3.73:/\s/.test(t)?i+=2.5:/%/.test(t)?i+=8:i+=10}),i*e/10}function dataCombine(t){return t.reduce(function(t,e){return(t.data?t.data:t).concat(e.data)},[])}function getSeriesDataItem(t,e){var i=[];return t.forEach(function(t){if(null!==t.data[e]&&void 0!==t.data[e]){var a={};a.color=t.color,a.name=t.name,a.data=t.format?t.format(t.data[e]):t.data[e],i.push(a)}}),i}function getMaxTextListLength(t){var e=t.map(function(t){return measureText(t)});return Math.max.apply(null,e)}function getRadarCoordinateSeries(t){for(var e=2*Math.PI/t,i=[],a=0;a<t;a++)i.push(e*a);return i.map(function(t){return-1*t+Math.PI/2})}function getToolTipData(t,e,i,a){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:{},o=t.map(function(t){return{text:n.format?n.format(t,a[i]):t.name+": "+t.data,color:t.color}}),r=[],s={x:0,y:0};return e.forEach(function(t){void 0!==t[i]&&null!==t[i]&&r.push(t[i])}),r.forEach(function(t){s.x=Math.round(t.x),s.y+=t.y}),s.y/=r.length,{textList:o,offset:s}}function findCurrentIndex(t,e,i,a){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:0,o=-1;return isInExactChartArea(t,i,a)&&e.forEach(function(e,i){t.x+n>e&&(o=i)}),o}function isInExactChartArea(t,e,i){return t.x<e.width-i.padding&&t.x>i.padding+i.yAxisWidth+i.yAxisTitleWidth&&t.y>i.padding&&t.y<e.height-i.legendHeight-i.xAxisHeight-i.padding}function findRadarChartCurrentIndex(t,e,i){var a=2*Math.PI/i,n=-1;if(isInExactPieChartArea(t,e.center,e.radius)){var o=function(t){return t<0&&(t+=2*Math.PI),t>2*Math.PI&&(t-=2*Math.PI),t},r=Math.atan2(e.center.y-t.y,t.x-e.center.x);r*=-1,r<0&&(r+=2*Math.PI);e.angleList.map(function(t){return t=o(-1*t)}).forEach(function(t,e){var i=o(t-a/2),s=o(t+a/2);s<i&&(s+=2*Math.PI),(r>=i&&r<=s||r+2*Math.PI>=i&&r+2*Math.PI<=s)&&(n=e)})}return n}function findPieChartCurrentIndex(t,e){var i=-1;if(isInExactPieChartArea(t,e.center,e.radius)){var a=Math.atan2(e.center.y-t.y,t.x-e.center.x);a=-a;for(var n=0,o=e.series.length;n<o;n++){var r=e.series[n];if(isInAngleRange(a,r._start_,r._start_+2*r._proportion_*Math.PI)){i=n;break}}}return i}function isInExactPieChartArea(t,e,i){return Math.pow(t.x-e.x,2)+Math.pow(t.y-e.y,2)<=Math.pow(i,2)}function splitPoints(t){var e=[],i=[];return t.forEach(function(t,a){null!==t?i.push(t):(i.length&&e.push(i),i=[])}),i.length&&e.push(i),e}function calLegendData(t,e,i){if(!1===e.legend)return{legendList:[],legendHeight:0};var a=[],n=0,o=[];return t.forEach(function(t){var i=30+measureText(t.name||"undefined");n+i>e.width?(a.push(o),n=i,o=[t]):(n+=i,o.push(t))}),o.length&&a.push(o),{legendList:a,legendHeight:a.length*(i.fontSize+8)+5}}function calCategoriesData(t,e,i){var a={angle:0,xAxisHeight:i.xAxisHeight},n=getXAxisPoints(t,e,i),o=n.eachSpacing,r=t.map(function(t){return measureText(t)}),s=Math.max.apply(this,r);return s+2*i.xAxisTextPadding>o&&(a.angle=45*Math.PI/180,a.xAxisHeight=2*i.xAxisTextPadding+s*Math.sin(a.angle)),a}function getRadarDataPoints(t,e,i,a,n){var o=arguments.length>5&&void 0!==arguments[5]?arguments[5]:1,r=n.extra.radar||{};r.max=r.max||0;var s=Math.max(r.max,Math.max.apply(null,dataCombine(a))),l=[];return a.forEach(function(a){var n={};n.color=a.color,n.data=[],a.data.forEach(function(a,r){var l={};l.angle=t[r],l.proportion=a/s,l.position=convertCoordinateOrigin(i*l.proportion*o*Math.cos(l.angle),i*l.proportion*o*Math.sin(l.angle),e),n.data.push(l)}),l.push(n)}),l}function getPieDataPoints(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1,i=0,a=0;return t.forEach(function(t){t.data=null===t.data?0:t.data,i+=t.data}),t.forEach(function(t){t.data=null===t.data?0:t.data,t._proportion_=t.data/i*e}),t.forEach(function(t){t._start_=a,a+=2*t._proportion_*Math.PI}),t}function getPieTextMaxLength(t){t=getPieDataPoints(t);var e=0;return t.forEach(function(t){var i=t.format?t.format(+t._proportion_.toFixed(2)):util.toFixed(100*t._proportion_)+"%";e=Math.max(e,measureText(i))}),e}function fixColumeData(t,e,i,a,n,o){return t.map(function(t){return null===t?null:(t.width=(e-2*n.columePadding)/i,o.extra.column&&o.extra.column.width&&+o.extra.column.width>0?t.width=Math.min(t.width,+o.extra.column.width):t.width=Math.min(t.width,25),t.x+=(a+.5-i/2)*t.width,t)})}function getXAxisPoints(t,e,i){var a=i.yAxisWidth+i.yAxisTitleWidth,n=e.width-2*i.padding-a,o=e.enableScroll?Math.min(5,t.length):t.length,r=n/o,s=[],l=i.padding+a,h=e.width-i.padding;return t.forEach(function(t,e){s.push(l+e*r)}),!0===e.enableScroll?s.push(l+t.length*r):s.push(h),{xAxisPoints:s,startX:l,endX:h,eachSpacing:r}}function getDataPoints(t,e,i,a,n,o,r){var s=arguments.length>7&&void 0!==arguments[7]?arguments[7]:1,l=[],h=o.height-2*r.padding-r.xAxisHeight-r.legendHeight;return t.forEach(function(t,c){if(null===t)l.push(null);else{var d={};d.x=a[c]+Math.round(n/2);var x=h*(t-e)/(i-e);x*=s,d.y=o.height-r.xAxisHeight-r.legendHeight-Math.round(x)-r.padding,l.push(d)}}),l}function getYAxisTextList(t,e,i){var a=dataCombine(t);a=a.filter(function(t){return null!==t});var n=Math.min.apply(this,a),o=Math.max.apply(this,a);if("number"==typeof e.yAxis.min&&(n=Math.min(e.yAxis.min,n)),"number"==typeof e.yAxis.max&&(o=Math.max(e.yAxis.max,o)),n===o){var r=o||1;n-=r,o+=r}for(var s=getDataRange(n,o),l=s.minRange,h=s.maxRange,c=[],d=(h-l)/i.yAxisSplit,x=0;x<=i.yAxisSplit;x++)c.push(l+d*x);return c.reverse()}function calYAxisData(t,e,i){var a=getYAxisTextList(t,e,i),n=i.yAxisWidth,o=a.map(function(t){return t=util.toFixed(t,2),t=e.yAxis.format?e.yAxis.format(Number(t)):t,n=Math.max(n,measureText(t)+5),t});return!0===e.yAxis.disabled&&(n=0),{rangesFormat:o,ranges:a,yAxisWidth:n}}function drawPointShape(t,e,i,a){a.beginPath(),a.setStrokeStyle("#ffffff"),a.setLineWidth(1),a.setFillStyle(e),"diamond"===i?t.forEach(function(t,e){null!==t&&(a.moveTo(t.x,t.y-4.5),a.lineTo(t.x-4.5,t.y),a.lineTo(t.x,t.y+4.5),a.lineTo(t.x+4.5,t.y),a.lineTo(t.x,t.y-4.5))}):"circle"===i?t.forEach(function(t,e){null!==t&&(a.moveTo(t.x+3.5,t.y),a.arc(t.x,t.y,4,0,2*Math.PI,!1))}):"rect"===i?t.forEach(function(t,e){null!==t&&(a.moveTo(t.x-3.5,t.y-3.5),a.rect(t.x-3.5,t.y-3.5,7,7))}):"triangle"===i&&t.forEach(function(t,e){null!==t&&(a.moveTo(t.x,t.y-4.5),a.lineTo(t.x-4.5,t.y+4.5),a.lineTo(t.x+4.5,t.y+4.5),a.lineTo(t.x,t.y-4.5))}),a.closePath(),a.fill(),a.stroke()}function drawRingTitle(t,e,i){var a=t.title.fontSize||e.titleFontSize,n=t.subtitle.fontSize||e.subtitleFontSize,o=t.title.name||"",r=t.subtitle.name||"",s=t.title.color||e.titleColor,l=t.subtitle.color||e.subtitleColor,h=o?a:0,c=r?n:0;if(r){var d=measureText(r,n),x=(t.width-d)/2+(t.subtitle.offsetX||0),f=(t.height-e.legendHeight+n)/2;o&&(f-=(h+5)/2),i.beginPath(),i.setFontSize(n),i.setFillStyle(l),i.fillText(r,x,f),i.stroke(),i.closePath()}if(o){var u=measureText(o,a),g=(t.width-u)/2+(t.title.offsetX||0),p=(t.height-e.legendHeight+a)/2;r&&(p+=(c+5)/2),i.beginPath(),i.setFontSize(a),i.setFillStyle(s),i.fillText(o,g,p),i.stroke(),i.closePath()}}function drawPointText(t,e,i,a){var n=e.data;a.beginPath(),a.setFontSize(i.fontSize),a.setFillStyle("#666666"),t.forEach(function(t,i){if(null!==t){var o=e.format?e.format(n[i]):n[i];a.fillText(o,t.x-measureText(o)/2,t.y-2)}}),a.closePath(),a.stroke()}function drawRadarLabel(t,e,i,a,n,o){var r=a.extra.radar||{};e+=n.radarLabelTextMargin,o.beginPath(),o.setFontSize(n.fontSize),o.setFillStyle(r.labelColor||"#666666"),t.forEach(function(t,r){var s={x:e*Math.cos(t),y:e*Math.sin(t)},l=convertCoordinateOrigin(s.x,s.y,i),h=l.x,c=l.y;util.approximatelyEqual(s.x,0)?h-=measureText(a.categories[r]||"")/2:s.x<0&&(h-=measureText(a.categories[r]||"")),o.fillText(a.categories[r]||"",h,c+n.fontSize/2)}),o.stroke(),o.closePath()}function drawPieText(t,e,i,a,n,o){var r=n+i.pieChartLinePadding,s=[],l=null;t.map(function(t){return{arc:2*Math.PI-(t._start_+2*Math.PI*t._proportion_/2),text:t.format?t.format(+t._proportion_.toFixed(2)):util.toFixed(100*t._proportion_)+"%",color:t.color}}).forEach(function(t){var e=Math.cos(t.arc)*r,a=Math.sin(t.arc)*r,o=Math.cos(t.arc)*n,h=Math.sin(t.arc)*n,c=e>=0?e+i.pieChartTextPadding:e-i.pieChartTextPadding,d=a,x=measureText(t.text),f=d;l&&util.isSameXCoordinateArea(l.start,{x:c})&&(f=c>0?Math.min(d,l.start.y):e<0?Math.max(d,l.start.y):d>0?Math.max(d,l.start.y):Math.min(d,l.start.y)),c<0&&(c-=x);var u={lineStart:{x:o,y:h},lineEnd:{x:e,y:a},start:{x:c,y:f},width:x,height:i.fontSize,text:t.text,color:t.color};l=avoidCollision(u,l),s.push(l)}),s.forEach(function(t){var e=convertCoordinateOrigin(t.lineStart.x,t.lineStart.y,o),n=convertCoordinateOrigin(t.lineEnd.x,t.lineEnd.y,o),r=convertCoordinateOrigin(t.start.x,t.start.y,o);a.setLineWidth(1),a.setFontSize(i.fontSize),a.beginPath(),a.setStrokeStyle(t.color),a.setFillStyle(t.color),a.moveTo(e.x,e.y);var s=t.start.x<0?r.x+t.width:r.x,l=t.start.x<0?r.x-5:r.x+5;a.quadraticCurveTo(n.x,n.y,s,r.y),a.moveTo(e.x,e.y),a.stroke(),a.closePath(),a.beginPath(),a.moveTo(r.x+t.width,r.y),a.arc(s,r.y,2,0,2*Math.PI),a.closePath(),a.fill(),a.beginPath(),a.setFillStyle("#666666"),a.fillText(t.text,l,r.y+3),a.closePath(),a.stroke(),a.closePath()})}function drawToolTipSplitLine(t,e,i,a){var n=i.padding,o=e.height-i.padding-i.xAxisHeight-i.legendHeight;a.beginPath(),a.setStrokeStyle("#cccccc"),a.setLineWidth(1),a.moveTo(t,n),a.lineTo(t,o),a.stroke(),a.closePath()}function drawToolTip(t,e,i,a,n){var o=!1;e=assign({x:0,y:0},e),e.y-=8;var r=t.map(function(t){return measureText(t.text)}),s=9+4*a.toolTipPadding+Math.max.apply(null,r),l=2*a.toolTipPadding+t.length*a.toolTipLineHeight;e.x-Math.abs(i._scrollDistance_)+8+s>i.width&&(o=!0),n.beginPath(),n.setFillStyle(i.tooltip.option.background||a.toolTipBackground),n.setGlobalAlpha(a.toolTipOpacity),o?(n.moveTo(e.x,e.y+10),n.lineTo(e.x-8,e.y+10-5),n.lineTo(e.x-8,e.y+10+5),n.moveTo(e.x,e.y+10),n.fillRect(e.x-s-8,e.y,s,l)):(n.moveTo(e.x,e.y+10),n.lineTo(e.x+8,e.y+10-5),n.lineTo(e.x+8,e.y+10+5),n.moveTo(e.x,e.y+10),n.fillRect(e.x+8,e.y,s,l)),n.closePath(),n.fill(),n.setGlobalAlpha(1),t.forEach(function(t,i){n.beginPath(),n.setFillStyle(t.color);var r=e.x+8+2*a.toolTipPadding,l=e.y+(a.toolTipLineHeight-a.fontSize)/2+a.toolTipLineHeight*i+a.toolTipPadding;o&&(r=e.x-s-8+2*a.toolTipPadding),n.fillRect(r,l,4,a.fontSize),n.closePath()}),n.beginPath(),n.setFontSize(a.fontSize),n.setFillStyle("#ffffff"),t.forEach(function(t,i){var r=e.x+8+2*a.toolTipPadding+4+5;o&&(r=e.x-s-8+2*a.toolTipPadding+4+5);var l=e.y+(a.toolTipLineHeight-a.fontSize)/2+a.toolTipLineHeight*i+a.toolTipPadding;n.fillText(t.text,r,l+a.fontSize)}),n.stroke(),n.closePath()}function drawYAxisTitle(t,e,i,a){var n=i.xAxisHeight+(e.height-i.xAxisHeight-measureText(t))/2;a.save(),a.beginPath(),a.setFontSize(i.fontSize),a.setFillStyle(e.yAxis.titleFontColor||"#333333"),a.translate(0,e.height),a.rotate(-90*Math.PI/180),a.fillText(t,n,i.padding+.5*i.fontSize),a.stroke(),a.closePath(),a.restore()}function drawColumnDataPoints(t,e,i,a){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:1,o=calYAxisData(t,e,i),r=o.ranges,s=getXAxisPoints(e.categories,e,i),l=s.xAxisPoints,h=s.eachSpacing,c=r.pop(),d=r.shift();return a.save(),e._scrollDistance_&&0!==e._scrollDistance_&&!0===e.enableScroll&&a.translate(e._scrollDistance_,0),t.forEach(function(o,r){var s=o.data,x=getDataPoints(s,c,d,l,h,e,i,n);x=fixColumeData(x,h,t.length,r,i,e),a.beginPath(),a.setFillStyle(o.color),x.forEach(function(t,n){if(null!==t){var o=t.x-t.width/2+1,r=e.height-t.y-i.padding-i.xAxisHeight-i.legendHeight;a.moveTo(o,t.y),a.rect(o,t.y,t.width-2,r)}}),a.closePath(),a.fill()}),t.forEach(function(o,r){var s=o.data,x=getDataPoints(s,c,d,l,h,e,i,n);x=fixColumeData(x,h,t.length,r,i,e),!1!==e.dataLabel&&1===n&&drawPointText(x,o,i,a)}),a.restore(),{xAxisPoints:l,eachSpacing:h}}function drawAreaDataPoints(t,e,i,a){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:1,o=calYAxisData(t,e,i),r=o.ranges,s=getXAxisPoints(e.categories,e,i),l=s.xAxisPoints,h=s.eachSpacing,c=r.pop(),d=r.shift(),x=e.height-i.padding-i.xAxisHeight-i.legendHeight,f=[];return a.save(),e._scrollDistance_&&0!==e._scrollDistance_&&!0===e.enableScroll&&a.translate(e._scrollDistance_,0),e.tooltip&&e.tooltip.textList&&e.tooltip.textList.length&&1===n&&drawToolTipSplitLine(e.tooltip.offset.x,e,i,a),t.forEach(function(t,o){var r=t.data,s=getDataPoints(r,c,d,l,h,e,i,n);if(f.push(s),splitPoints(s).forEach(function(i){if(a.beginPath(),a.setStrokeStyle(t.color),a.setFillStyle(t.color),a.setGlobalAlpha(.6),a.setLineWidth(2),i.length>1){var n=i[0],o=i[i.length-1];a.moveTo(n.x,n.y),"curve"===e.extra.lineStyle?i.forEach(function(t,e){if(e>0){var n=createCurveControlPoints(i,e-1);a.bezierCurveTo(n.ctrA.x,n.ctrA.y,n.ctrB.x,n.ctrB.y,t.x,t.y)}}):i.forEach(function(t,e){e>0&&a.lineTo(t.x,t.y)}),a.lineTo(o.x,x),a.lineTo(n.x,x),a.lineTo(n.x,n.y)}else{var r=i[0];a.moveTo(r.x-h/2,r.y),a.lineTo(r.x+h/2,r.y),a.lineTo(r.x+h/2,x),a.lineTo(r.x-h/2,x),a.moveTo(r.x-h/2,r.y)}a.closePath(),a.fill(),a.setGlobalAlpha(1)}),!1!==e.dataPointShape){var u=i.dataPointShape[o%i.dataPointShape.length];drawPointShape(s,t.color,u,a)}}),!1!==e.dataLabel&&1===n&&t.forEach(function(t,o){drawPointText(getDataPoints(t.data,c,d,l,h,e,i,n),t,i,a)}),a.restore(),{xAxisPoints:l,calPoints:f,eachSpacing:h}}function drawLineDataPoints(t,e,i,a){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:1,o=calYAxisData(t,e,i),r=o.ranges,s=getXAxisPoints(e.categories,e,i),l=s.xAxisPoints,h=s.eachSpacing,c=r.pop(),d=r.shift(),x=[];return a.save(),e._scrollDistance_&&0!==e._scrollDistance_&&!0===e.enableScroll&&a.translate(e._scrollDistance_,0),e.tooltip&&e.tooltip.textList&&e.tooltip.textList.length&&1===n&&drawToolTipSplitLine(e.tooltip.offset.x,e,i,a),t.forEach(function(t,o){var r=t.data,s=getDataPoints(r,c,d,l,h,e,i,n);if(x.push(s),splitPoints(s).forEach(function(i,n){a.beginPath(),a.setStrokeStyle(t.color),a.setLineWidth(2),1===i.length?(a.moveTo(i[0].x,i[0].y),a.arc(i[0].x,i[0].y,1,0,2*Math.PI)):(a.moveTo(i[0].x,i[0].y),"curve"===e.extra.lineStyle?i.forEach(function(t,e){if(e>0){var n=createCurveControlPoints(i,e-1);a.bezierCurveTo(n.ctrA.x,n.ctrA.y,n.ctrB.x,n.ctrB.y,t.x,t.y)}}):i.forEach(function(t,e){e>0&&a.lineTo(t.x,t.y)}),a.moveTo(i[0].x,i[0].y)),a.closePath(),a.stroke()}),!1!==e.dataPointShape){var f=i.dataPointShape[o%i.dataPointShape.length];drawPointShape(s,t.color,f,a)}}),!1!==e.dataLabel&&1===n&&t.forEach(function(t,o){drawPointText(getDataPoints(t.data,c,d,l,h,e,i,n),t,i,a)}),a.restore(),{xAxisPoints:l,calPoints:x,eachSpacing:h}}function drawToolTipBridge(t,e,i,a){i.save(),t._scrollDistance_&&0!==t._scrollDistance_&&!0===t.enableScroll&&i.translate(t._scrollDistance_,0),t.tooltip&&t.tooltip.textList&&t.tooltip.textList.length&&1===a&&drawToolTip(t.tooltip.textList,t.tooltip.offset,t,e,i),i.restore()}function drawXAxis(t,e,i,a){var n=getXAxisPoints(t,e,i),o=n.xAxisPoints,r=(n.startX,n.endX,n.eachSpacing),s=e.height-i.padding-i.xAxisHeight-i.legendHeight,l=s+i.xAxisLineHeight;a.save(),e._scrollDistance_&&0!==e._scrollDistance_&&a.translate(e._scrollDistance_,0),a.beginPath(),a.setStrokeStyle(e.xAxis.gridColor||"#cccccc"),!0!==e.xAxis.disableGrid&&("calibration"===e.xAxis.type?o.forEach(function(t,e){e>0&&(a.moveTo(t-r/2,s),a.lineTo(t-r/2,s+4))}):o.forEach(function(t,e){a.moveTo(t,s),a.lineTo(t,l)})),a.closePath(),a.stroke();var h=e.width-2*i.padding-i.yAxisWidth-i.yAxisTitleWidth,c=Math.min(t.length,Math.ceil(h/i.fontSize/1.5)),d=Math.ceil(t.length/c);t=t.map(function(t,e){return e%d!=0?"":t}),0===i._xAxisTextAngle_?(a.beginPath(),a.setFontSize(i.fontSize),a.setFillStyle(e.xAxis.fontColor||"#666666"),t.forEach(function(t,e){var n=r/2-measureText(t)/2;a.fillText(t,o[e]+n,s+i.fontSize+5)}),a.closePath(),a.stroke()):t.forEach(function(t,n){a.save(),a.beginPath(),a.setFontSize(i.fontSize),a.setFillStyle(e.xAxis.fontColor||"#666666");var l=measureText(t),h=r/2-l,c=calRotateTranslate(o[n]+r/2,s+i.fontSize/2+5,e.height),d=c.transX,x=c.transY;a.rotate(-1*i._xAxisTextAngle_),a.translate(d,x),a.fillText(t,o[n]+h,s+i.fontSize+5),a.closePath(),a.stroke(),a.restore()}),a.restore()}function drawYAxisGrid(t,e,i){for(var a=t.height-2*e.padding-e.xAxisHeight-e.legendHeight,n=Math.floor(a/e.yAxisSplit),o=e.yAxisWidth+e.yAxisTitleWidth,r=e.padding+o,s=t.width-e.padding,l=[],h=0;h<e.yAxisSplit;h++)l.push(e.padding+n*h);l.push(e.padding+n*e.yAxisSplit+2),i.beginPath(),i.setStrokeStyle(t.yAxis.gridColor||"#cccccc"),i.setLineWidth(1),l.forEach(function(t,e){i.moveTo(r,t),i.lineTo(s,t)}),i.closePath(),i.stroke()}function drawYAxis(t,e,i,a){if(!0!==e.yAxis.disabled){var n=calYAxisData(t,e,i),o=n.rangesFormat,r=i.yAxisWidth+i.yAxisTitleWidth,s=e.height-2*i.padding-i.xAxisHeight-i.legendHeight,l=Math.floor(s/i.yAxisSplit),h=i.padding+r,c=e.width-i.padding,d=e.height-i.padding-i.xAxisHeight-i.legendHeight;a.setFillStyle(e.background||"#ffffff"),e._scrollDistance_<0&&a.fillRect(0,0,h,d+i.xAxisHeight+5),a.fillRect(c,0,e.width,d+i.xAxisHeight+5);for(var x=[],f=0;f<=i.yAxisSplit;f++)x.push(i.padding+l*f);a.stroke(),a.beginPath(),a.setFontSize(i.fontSize),a.setFillStyle(e.yAxis.fontColor||"#666666"),o.forEach(function(t,e){var n=x[e]?x[e]:d;a.fillText(t,i.padding+i.yAxisTitleWidth,n+i.fontSize/2)}),a.closePath(),a.stroke(),e.yAxis.title&&drawYAxisTitle(e.yAxis.title,e,i,a)}}function drawLegend(t,e,i,a){if(e.legend){var n=calLegendData(t,e,i),o=n.legendList;o.forEach(function(t,n){var o=0;t.forEach(function(t){t.name=t.name||"undefined",o+=15+measureText(t.name)+15});var r=(e.width-o)/2+5,s=e.height-i.padding-i.legendHeight+n*(i.fontSize+8)+5+8;a.setFontSize(i.fontSize),t.forEach(function(t){switch(e.type){case"line":a.beginPath(),a.setLineWidth(1),a.setStrokeStyle(t.color),a.moveTo(r-2,s+5),a.lineTo(r+17,s+5),a.stroke(),a.closePath(),a.beginPath(),a.setLineWidth(1),a.setStrokeStyle("#ffffff"),a.setFillStyle(t.color),a.moveTo(r+7.5,s+5),a.arc(r+7.5,s+5,4,0,2*Math.PI),a.fill(),a.stroke(),a.closePath();break;case"pie":case"ring":a.beginPath(),a.setFillStyle(t.color),a.moveTo(r+7.5,s+5),a.arc(r+7.5,s+5,7,0,2*Math.PI),a.closePath(),a.fill();break;default:a.beginPath(),a.setFillStyle(t.color),a.moveTo(r,s),a.rect(r,s,15,10),a.closePath(),a.fill()}r+=20,a.beginPath(),a.setFillStyle(e.extra.legendTextColor||"#333333"),a.fillText(t.name,r,s+9),a.closePath(),a.stroke(),r+=measureText(t.name)+10})})}}function drawPieDataPoints(t,e,i,a){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:1,o=e.extra.pie||{};t=getPieDataPoints(t,n);var r={x:e.width/2,y:(e.height-i.legendHeight)/2},s=Math.min(r.x-i.pieChartLinePadding-i.pieChartTextPadding-i._pieTextMaxLength_,r.y-i.pieChartLinePadding-i.pieChartTextPadding);if(e.dataLabel?s-=10:s-=2*i.padding,t=t.map(function(t){return t._start_+=(o.offsetAngle||0)*Math.PI/180,t}),t.forEach(function(t){a.beginPath(),a.setLineWidth(2),a.setStrokeStyle("#ffffff"),a.setFillStyle(t.color),a.moveTo(r.x,r.y),a.arc(r.x,r.y,s,t._start_,t._start_+2*t._proportion_*Math.PI),a.closePath(),a.fill(),!0!==e.disablePieStroke&&a.stroke()}),"ring"===e.type){var l=.6*s;"number"==typeof e.extra.ringWidth&&e.extra.ringWidth>0&&(l=Math.max(0,s-e.extra.ringWidth)),a.beginPath(),a.setFillStyle(e.background||"#ffffff"),a.moveTo(r.x,r.y),a.arc(r.x,r.y,l,0,2*Math.PI),a.closePath(),a.fill()}if(!1!==e.dataLabel&&1===n){for(var h=!1,c=0,d=t.length;c<d;c++)if(t[c].data>0){h=!0;break}h&&drawPieText(t,e,i,a,s,r)}return 1===n&&"ring"===e.type&&drawRingTitle(e,i,a),{center:r,radius:s,series:t}}function drawRadarDataPoints(t,e,i,a){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:1,o=e.extra.radar||{},r=getRadarCoordinateSeries(e.categories.length),s={x:e.width/2,y:(e.height-i.legendHeight)/2},l=Math.min(s.x-(getMaxTextListLength(e.categories)+i.radarLabelTextMargin),s.y-i.radarLabelTextMargin);l-=i.padding,a.beginPath(),a.setLineWidth(1),a.setStrokeStyle(o.gridColor||"#cccccc"),r.forEach(function(t){var e=convertCoordinateOrigin(l*Math.cos(t),l*Math.sin(t),s);a.moveTo(s.x,s.y),a.lineTo(e.x,e.y)}),a.stroke(),a.closePath();for(var h=1;h<=i.radarGridCount;h++)!function(t){var e={};a.beginPath(),a.setLineWidth(1),a.setStrokeStyle(o.gridColor||"#cccccc"),r.forEach(function(n,o){var r=convertCoordinateOrigin(l/i.radarGridCount*t*Math.cos(n),l/i.radarGridCount*t*Math.sin(n),s);0===o?(e=r,a.moveTo(r.x,r.y)):a.lineTo(r.x,r.y)}),a.lineTo(e.x,e.y),a.stroke(),a.closePath()}(h);return getRadarDataPoints(r,s,l,t,e,n).forEach(function(t,n){if(a.beginPath(),a.setFillStyle(t.color),a.setGlobalAlpha(.6),t.data.forEach(function(t,e){0===e?a.moveTo(t.position.x,t.position.y):a.lineTo(t.position.x,t.position.y)}),a.closePath(),a.fill(),a.setGlobalAlpha(1),!1!==e.dataPointShape){var o=i.dataPointShape[n%i.dataPointShape.length];drawPointShape(t.data.map(function(t){return t.position}),t.color,o,a)}}),drawRadarLabel(r,l,s,e,i,a),{center:s,radius:l,angleList:r}}function drawCanvas(t,e){e.draw()}function Animation(t){this.isStop=!1,t.duration=void 0===t.duration?1e3:t.duration,t.timing=t.timing||"linear";var e=function(){return"undefined"!=typeof requestAnimationFrame?requestAnimationFrame:"undefined"!=typeof setTimeout?function(t,e){setTimeout(function(){var e=+new Date;t(e)},e)}:function(t){t(null)}}(),i=null,a=function(n){if(null===n||!0===this.isStop)return t.onProcess&&t.onProcess(1),void(t.onAnimationFinish&&t.onAnimationFinish());if(null===i&&(i=n),n-i<t.duration){var o=(n-i)/t.duration;o=(0,Timing[t.timing])(o),t.onProcess&&t.onProcess(o),e(a,17)}else t.onProcess&&t.onProcess(1),t.onAnimationFinish&&t.onAnimationFinish()};a=a.bind(this),e(a,17)}function drawCharts(t,e,i,a){var n=this,o=e.series,r=e.categories;o=fillSeriesColor(o,i);var s=calLegendData(o,e,i),l=s.legendHeight;i.legendHeight=l;var h=calYAxisData(o,e,i),c=h.yAxisWidth;if(i.yAxisWidth=c,r&&r.length){var d=calCategoriesData(r,e,i),x=d.xAxisHeight,f=d.angle;i.xAxisHeight=x,i._xAxisTextAngle_=f}"pie"!==t&&"ring"!==t||(i._pieTextMaxLength_=!1===e.dataLabel?0:getPieTextMaxLength(o));var u=e.animation?1e3:0;switch(this.animationInstance&&this.animationInstance.stop(),t){case"line":this.animationInstance=new Animation({timing:"easeIn",duration:u,onProcess:function(t){drawYAxisGrid(e,i,a);var s=drawLineDataPoints(o,e,i,a,t),l=s.xAxisPoints,h=s.calPoints,c=s.eachSpacing;n.chartData.xAxisPoints=l,n.chartData.calPoints=h,n.chartData.eachSpacing=c,drawXAxis(r,e,i,a),drawLegend(e.series,e,i,a),drawYAxis(o,e,i,a),drawToolTipBridge(e,i,a,t),drawCanvas(e,a)},onAnimationFinish:function(){n.event.trigger("renderComplete")}});break;case"column":this.animationInstance=new Animation({timing:"easeIn",duration:u,onProcess:function(t){drawYAxisGrid(e,i,a);var s=drawColumnDataPoints(o,e,i,a,t),l=s.xAxisPoints,h=s.eachSpacing;n.chartData.xAxisPoints=l,n.chartData.eachSpacing=h,drawXAxis(r,e,i,a),drawLegend(e.series,e,i,a),drawYAxis(o,e,i,a),drawCanvas(e,a)},onAnimationFinish:function(){n.event.trigger("renderComplete")}});break;case"area":this.animationInstance=new Animation({timing:"easeIn",duration:u,onProcess:function(t){drawYAxisGrid(e,i,a);var s=drawAreaDataPoints(o,e,i,a,t),l=s.xAxisPoints,h=s.calPoints,c=s.eachSpacing;n.chartData.xAxisPoints=l,n.chartData.calPoints=h,n.chartData.eachSpacing=c,drawXAxis(r,e,i,a),drawLegend(e.series,e,i,a),drawYAxis(o,e,i,a),drawToolTipBridge(e,i,a,t),drawCanvas(e,a)},onAnimationFinish:function(){n.event.trigger("renderComplete")}});break;case"ring":case"pie":this.animationInstance=new Animation({timing:"easeInOut",duration:u,onProcess:function(t){n.chartData.pieData=drawPieDataPoints(o,e,i,a,t),drawLegend(e.series,e,i,a),drawCanvas(e,a)},onAnimationFinish:function(){n.event.trigger("renderComplete")}});break;case"radar":this.animationInstance=new Animation({timing:"easeInOut",duration:u,onProcess:function(t){n.chartData.radarData=drawRadarDataPoints(o,e,i,a,t),drawLegend(e.series,e,i,a),drawCanvas(e,a)},onAnimationFinish:function(){n.event.trigger("renderComplete")}})}}function Event(){this.events={}}var config={yAxisWidth:15,yAxisSplit:5,xAxisHeight:15,xAxisLineHeight:15,legendHeight:15,yAxisTitleWidth:15,padding:12,columePadding:3,fontSize:10,dataPointShape:["diamond","circle","triangle","rect"],colors:["#7cb5ec","#f7a35c","#434348","#90ed7d","#f15c80","#8085e9"],pieChartLinePadding:25,pieChartTextPadding:15,xAxisTextPadding:3,titleColor:"#333333",titleFontSize:20,subtitleColor:"#999999",subtitleFontSize:15,toolTipPadding:3,toolTipBackground:"#000000",toolTipOpacity:.7,toolTipLineHeight:14,radarGridCount:3,radarLabelTextMargin:15},util={toFixed:function(t,e){return e=e||2,this.isFloat(t)&&(t=t.toFixed(e)),t},isFloat:function(t){return t%1!=0},approximatelyEqual:function(t,e){return Math.abs(t-e)<1e-10},isSameSign:function(t,e){return Math.abs(t)===t&&Math.abs(e)===e||Math.abs(t)!==t&&Math.abs(e)!==e},isSameXCoordinateArea:function(t,e){return this.isSameSign(t.x,e.x)},isCollision:function(t,e){return t.end={},t.end.x=t.start.x+t.width,t.end.y=t.start.y-t.height,e.end={},e.end.x=e.start.x+e.width,e.end.y=e.start.y-e.height,!(e.start.x>t.end.x||e.end.x<t.start.x||e.end.y>t.start.y||e.start.y<t.end.y)}},Timing={easeIn:function(t){return Math.pow(t,3)},easeOut:function(t){return Math.pow(t-1,3)+1},easeInOut:function(t){return(t/=.5)<1?.5*Math.pow(t,3):.5*(Math.pow(t-2,3)+2)},linear:function(t){return t}};Animation.prototype.stop=function(){this.isStop=!0},Event.prototype.addEventListener=function(t,e){this.events[t]=this.events[t]||[],this.events[t].push(e)},Event.prototype.trigger=function(){for(var t=arguments.length,e=Array(t),i=0;i<t;i++)e[i]=arguments[i];var a=e[0],n=e.slice(1);this.events[a]&&this.events[a].forEach(function(t){try{t.apply(null,n)}catch(t){console.error(t)}})};var Charts=function(t){t.title=t.title||{},t.subtitle=t.subtitle||{},t.yAxis=t.yAxis||{},t.xAxis=t.xAxis||{},t.extra=t.extra||{},t.legend=!1!==t.legend,t.animation=!1!==t.animation;var e=assign({},config);e.yAxisTitleWidth=!0!==t.yAxis.disabled&&t.yAxis.title?e.yAxisTitleWidth:0,e.pieChartLinePadding=!1===t.dataLabel?0:e.pieChartLinePadding,e.pieChartTextPadding=!1===t.dataLabel?0:e.pieChartTextPadding,this.opts=t,this.config=e,this.context=wx.createCanvasContext(t.canvasId),this.chartData={},this.event=new Event,this.scrollOption={currentOffset:0,startTouchX:0,distance:0},drawCharts.call(this,t.type,t,e,this.context)};Charts.prototype.updateData=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.opts.series=t.series||this.opts.series,this.opts.categories=t.categories||this.opts.categories,this.opts.title=assign({},this.opts.title,t.title||{}),this.opts.subtitle=assign({},this.opts.subtitle,t.subtitle||{}),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(t,e){this.event.addEventListener(t,e)},Charts.prototype.getCurrentDataIndex=function(t){var e=t.touches&&t.touches.length?t.touches:t.changedTouches;if(e&&e.length){var i=e[0],a=i.x,n=i.y;return"pie"===this.opts.type||"ring"===this.opts.type?findPieChartCurrentIndex({x:a,y:n},this.chartData.pieData):"radar"===this.opts.type?findRadarChartCurrentIndex({x:a,y:n},this.chartData.radarData,this.opts.categories.length):findCurrentIndex({x:a,y:n},this.chartData.xAxisPoints,this.opts,this.config,Math.abs(this.scrollOption.currentOffset))}return-1},Charts.prototype.showToolTip=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if("line"===this.opts.type||"area"===this.opts.type){var i=this.getCurrentDataIndex(t),a=this.scrollOption.currentOffset,n=assign({},this.opts,{_scrollDistance_:a,animation:!1});if(i>-1){var o=getSeriesDataItem(this.opts.series,i);if(0!==o.length){var r=getToolTipData(o,this.chartData.calPoints,i,this.opts.categories,e),s=r.textList,l=r.offset;n.tooltip={textList:s,offset:l,option:e}}}drawCharts.call(this,n.type,n,this.config,this.context)}},Charts.prototype.scrollStart=function(t){t.touches[0]&&!0===this.opts.enableScroll&&(this.scrollOption.startTouchX=t.touches[0].x)},Charts.prototype.scroll=function(t){if(t.touches[0]&&!0===this.opts.enableScroll){var e=t.touches[0].x-this.scrollOption.startTouchX,i=this.scrollOption.currentOffset,a=calValidDistance(i+e,this.chartData,this.config,this.opts);this.scrollOption.distance=e=a-i;var n=assign({},this.opts,{_scrollDistance_:i+e,animation:!1});drawCharts.call(this,n.type,n,this.config,this.context)}},Charts.prototype.scrollEnd=function(t){if(!0===this.opts.enableScroll){var e=this.scrollOption,i=e.currentOffset,a=e.distance;this.scrollOption.currentOffset=i+a,this.scrollOption.distance=0}},module.exports=Charts;
    11.