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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function boom() {
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
ctx.arc(32, 2, 64, 512, 1024, false);
ctx.scale(256, 16);
ctx.transform(32, 64, 16, 256, 0.5000140400370615, -0.6268189185361422);
ctx.scale(2, 0.33614443599622335);
ctx.transform(16, -64, 512, 0.5546715728833042, 4, -0.09260164319830985);
ctx.isPointInStroke(1024, 2048);
}
</script>
</head>
<body onload="boom();"></body>
</html>
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