Canvas How to - Translate coordinate to left bottom corner

Question

We would like to know how to translate coordinate to left bottom corner.

Answer


<!-- w ww  .  jav  a2s . c o m-->
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>//<![CDATA[ 
window.onload=function(){
    var canvas=document.getElementById('canvas');
    var ctx=canvas.getContext('2d');
    ctx.translate(0, canvas.height);
    ctx.scale(1, -1);
    ctx.beginPath();
    ctx.moveTo(0, 0);
    ctx.lineTo(10, 100);
    ctx.lineTo(100, 50);
    ctx.closePath();
    ctx.stroke();
}//]]>  
</script>
</head>
<body>
  <canvas id="canvas" width="100" height="100"></canvas>
</body>
</html>

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