mirror of
https://github.com/discourse/discourse.git
synced 2024-12-21 17:03:44 +08:00
8 lines
13 KiB
JavaScript
8 lines
13 KiB
JavaScript
|
/*!
|
||
|
* chartjs-plugin-datalabels v2.2.0
|
||
|
* https://chartjs-plugin-datalabels.netlify.app
|
||
|
* (c) 2017-2022 chartjs-plugin-datalabels contributors
|
||
|
* Released under the MIT license
|
||
|
*/
|
||
|
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e(require("chart.js/helpers"),require("chart.js")):"function"==typeof define&&define.amd?define(["chart.js/helpers","chart.js"],e):(t="undefined"!=typeof globalThis?globalThis:t||self).ChartDataLabels=e(t.Chart.helpers,t.Chart)}(this,(function(t,e){"use strict";var r=function(){if("undefined"!=typeof window){if(window.devicePixelRatio)return window.devicePixelRatio;var t=window.screen;if(t)return(t.deviceXDPI||1)/(t.logicalXDPI||1)}return 1}(),a=function(e){var r,a=[];for(e=[].concat(e);e.length;)"string"==typeof(r=e.pop())?a.unshift.apply(a,r.split("\n")):Array.isArray(r)?e.push.apply(e,r):t.isNullOrUndef(e)||a.unshift(""+r);return a},o=function(t,e,r){var a,o=[].concat(e),n=o.length,i=t.font,l=0;for(t.font=r.string,a=0;a<n;++a)l=Math.max(t.measureText(o[a]).width,l);return t.font=i,{height:n*r.lineHeight,width:l}},n=function(t,e,r){return Math.max(t,Math.min(e,r))},i=function(t,e){var r,a,o,n,i=t.slice(),l=[];for(r=0,o=e.length;r<o;++r)n=e[r],-1===(a=i.indexOf(n))?l.push([n,1]):i.splice(a,1);for(r=0,o=i.length;r<o;++r)l.push([i[r],-1]);return l};function l(t,e){var r=e.x,a=e.y;if(null===r)return{x:0,y:-1};if(null===a)return{x:1,y:0};var o=t.x-r,n=t.y-a,i=Math.sqrt(o*o+n*n);return{x:i?o/i:0,y:i?n/i:-1}}function s(t,e,r){var a=0;return t<r.left?a|=1:t>r.right&&(a|=2),e<r.top?a|=8:e>r.bottom&&(a|=4),a}function u(t,e){var r,a,o=e.anchor,n=t;return e.clamp&&(n=function(t,e){for(var r,a,o,n=t.x0,i=t.y0,l=t.x1,u=t.y1,d=s(n,i,e),c=s(l,u,e);d|c&&!(d&c);)8&(r=d||c)?(a=n+(l-n)*(e.top-i)/(u-i),o=e.top):4&r?(a=n+(l-n)*(e.bottom-i)/(u-i),o=e.bottom):2&r?(o=i+(u-i)*(e.right-n)/(l-n),a=e.right):1&r&&(o=i+(u-i)*(e.left-n)/(l-n),a=e.left),r===d?d=s(n=a,i=o,e):c=s(l=a,u=o,e);return{x0:n,x1:l,y0:i,y1:u}}(n,e.area)),"start"===o?(r=n.x0,a=n.y0):"end"===o?(r=n.x1,a=n.y1):(r=(n.x0+n.x1)/2,a=(n.y0+n.y1)/2),function(t,e,r,a,o){switch(o){case"center":r=a=0;break;case"bottom":r=0,a=1;break;case"right":r=1,a=0;break;case"left":r=-1,a=0;break;case"top":r=0,a=-1;break;case"start":r=-r,a=-a;break;case"end":break;default:o*=Math.PI/180,r=Math.cos(o),a=Math.sin(o)}return{x:t,y:e,vx:r,vy:a}}(r,a,t.vx,t.vy,e.align)}var d=function(t,e){var r=(t.startAngle+t.endAngle)/2,a=Math.cos(r),o=Math.sin(r),n=t.innerRadius,i=t.outerRadius;return u({x0:t.x+a*n,y0:t.y+o*n,x1:t.x+a*i,y1:t.y+o*i,vx:a,vy:o},e)},c=function(t,e){var r=l(t,e.origin),a=r.x*t.options.radius,o=r.y*t.options.radius;return u({x0:t.x-a,y0:t.y-o,x1:t.x+a,y1:t.y+o,vx:r.x,vy:r.y},e)},h=function(t,e){var r=l(t,e.origin),a=t.x,o=t.y,n=0,i=0;return t.horizontal?(a=Math.min(t.x,t.base),n=Math.abs(t.base-t.x)):(o=Math.min(t.y,t.base),i=Math.abs(t.base-t.y)),u({x0:a,y0:o+i,x1:a+n,y1:o,vx:r.x,vy:r.y},e)},f=function(t,e){var r=l(t,e.origin);return u({x0:t.x,y0:t.y,x1:t.x+(t.width||0),y1:t.y+(t.height||0),vx:r.x,vy:r.y},e)},x=function(t){return Math.round(t*r)/r};function y(t,e){var r=e.chart.getDatasetMeta(e.datasetIndex).vScale;if(!r)return null;if(void 0!==r.xCenter&&void 0!==r.yCenter)return{x:r.xCenter,y:r.yCenter};var a=r.getBasePixel();return t.horizontal?{x:a,y:null}:{x:null,y:a}}function v(t,e,r){var a=r.backgroundColor,o=r.borderColor,n=r.borderWidth;(a||o&&n)&&(t.beginPath(),function(t,e,r,a,o,n){var i=Math.PI/2;if(n){var l=Math.min(n,o/2,a/2),s=e+l,u=r+l,d=e+a-l,c=r+o-l;t.moveTo(e,u),s<d&&u<c?(t.arc(s,u,l,-Math.PI,-i),t.arc(d,u,l,-i,0),t.arc(d,c,l,0,i),t.arc(s,c,l,i,Math.PI)):s<d?(t.moveTo(s,r),t.arc(d,u,l,-i,i),t.arc(s,u,l,i,Math.PI+i)):u<c?(t.arc(s,u,l,-Math.PI,0),t.arc(s,c,l,0,Math.PI)):t.arc(s,u,l,-Math.PI,Math.PI),t.closePath(),t.moveTo(e,r)}else t.rect(e,r,a,o)}(t,x(e.x)+n/2,x(e.y)+n/2,x(e.w)-n,x(e.h)-n,r.borderRadius),t.closePath(),a&&(t.fillStyle=a,t.fill()),o&&n&&(t.strokeStyle=o,t.lineWidth=n,t.lineJoin="miter",t.stroke()))}function b(t,e,r){var a=t.shadowBlur,o=r.stroked,n=x(r.x),i=x(r.y),l=x(r.w);o&&t.strokeText(e,n,i,l),r.filled&&(a&&o&&(t.shadowBlur=0),t.fillText(e,n,i,l),a&&o&&(t.shadowBlur=a))}var _=function(t,e,r,a){var o=this;o._config=t,o._index=a,o._model=null,o._rects=null,o._ctx=e,o._el=r};t.
|