Javascript examples for Chart.js:Doughnut Chart
Fill text for Doughnut Alt chart
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <script type="text/javascript" src="https://rawgit.com/nnnick/Chart.js/v1.0.2/Chart.min.js"></script> <script type="text/javascript"> window.onload=function(){//from ww w . j a va2s . c o m var pieData = [ { value: 300, color: "#F7464A", highlight: "#FF5A5E", label: "Red" }, { value: 50, color: "#46BFBD", highlight: "#5AD3D1", label: "Green" }, { value: 100, color: "#FDB45C", highlight: "#FFC870", label: "Yellow" } ] var distributionChartData = [ 12, 12, 12, 36 ] Chart.types.Doughnut.extend({ name: "DoughnutAlt", draw: function () { Chart.types.Doughnut.prototype.draw.apply(this, arguments); this.chart.ctx.textBaseline = "middle"; this.chart.ctx.fillStyle = 'black' this.chart.ctx.font = "50px Roboto"; this.chart.ctx.textAlign = "center"; this.chart.ctx.fillText(distributionChartData[3] + " %", 135, 120); this.chart.ctx.font = "20px Roboto"; this.chart.ctx.fillText((distributionChartData[0] + distributionChartData[1] + distributionChartData[2]) + " Responses", 135, 160); } }); var pieChart = document.getElementById("pieChart").getContext("2d"); new Chart(pieChart).DoughnutAlt(pieData, { percentageInnerCutout: 80, animationEasing: "easeOutQuart" }); } </script> </head> <body> <canvas id="pieChart" width="270" height="270"></canvas> </body> </html>