samples/bevel.html
<!doctype html>
<html>
<head>
<title>chartjs-plugin-style sample</title>
<script src="https://cdn.jsdelivr.net/npm/chart.js@2.8.0"></script>
<script src="../dist/chartjs-plugin-style.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
.chart {
margin: auto;
width: 75%;
}
.text-center {
text-align: center;
}
</style>
</head>
<body>
<div class="chart">
<canvas id="myChart"></canvas>
</div>
<div>
<p class="text-center">
<button id="randomizeData">Randomize Data</button>
</p>
</div>
<script>
var chartColors = {
red: 'rgb(255, 99, 132)',
blue: 'rgb(54, 162, 235)'
};
var effectColors = {
highlight: 'rgba(255, 255, 255, 0.75)',
shadow: 'rgba(0, 0, 0, 0.5)',
glow: 'rgb(255, 255, 0)'
};
function randomScalingFactor() {
return (Math.random() > 0.5 ? 1.0 : -1.0) * Math.round(Math.random() * 100);
}
var color = Chart.helpers.color;
var config = {
type: 'bar',
data: {
labels: [2, 4, 6, 8, 10, 12, 0],
datasets: [{
label: 'Dataset 1',
backgroundColor: chartColors.red,
borderWidth: 0,
data: [0, 0, 0, 0, 0, 0, 0].map(function() {
return randomScalingFactor();
}),
bevelWidth: [2, 4, 6, 8, 10, 12, 0],
bevelHighlightColor: effectColors.highlight,
bevelShadowColor: effectColors.shadow
}, {
label: 'Dataset 2',
backgroundColor: color(chartColors.blue).alpha(0.5).rgbString(),
borderWidth: 0,
data: [0, 0, 0, 0, 0, 0, 0].map(function() {
return randomScalingFactor();
}),
bevelWidth: [2, 4, 6, 8, 10, 12, 0],
bevelHighlightColor: effectColors.highlight,
bevelShadowColor: effectColors.shadow
}]
},
options: {
title: {
display: true,
text: 'Bevel effect sample'
},
scales: {
xAxes: [{
scaleLabel: {
display: true,
labelString: 'BevelWidth'
}
}],
yAxes: [{
scaleLabel: {
display: true,
labelString: 'Value'
}
}]
},
tooltips: {
bevelWidth: 2,
bevelHighlightColor: effectColors.highlight,
bevelShadowColor: effectColors.shadow
}
}
};
window.onload = function() {
var ctx = document.getElementById('myChart').getContext('2d');
window.myChart = new Chart(ctx, config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
config.data.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myChart.update();
});
</script>
</body>
</html>