css/css-paint-api/paint2d-transform-ref.html

<!DOCTYPE html>
<html>
<body>
<canvas id ="output" width="200" height="200"></canvas>
<script>
var canvas = document.getElementById('output');
var ctx = canvas.getContext('2d');

ctx.fillStyle = 'green';
ctx.transform(1, 0.5, 0, 1, 20, 20);
ctx.fillRect(0, 0, 50, 50);

ctx.resetTransform();

ctx.fillStyle = 'blue';
ctx.translate(150, 60);
ctx.rotate(60 * Math.PI / 180);
ctx.scale(1.5, 1);
ctx.fillRect(0, 0, 50, 50);
</script>
</body>
</html>