How to use Canvas Quadratic Curve in HTML5

In this article I am going to explain about Canvas Quadratic Curve in Html5.
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Canvas Quadratic Curve in Html5

Canvas Quadratic Curve In Html5 is an Canvas tool. That mainly use for define Context point, Control point and ending point of an element. For its we use QuadraticCurveTo() Method within Style tag in Html document.

Syntax

<script>

    cntx.quadraticCurveTo(controlX, controlY, endX, endY);

</script>

 

Example

 

<html>

  <head>

    <style>

      body {

        margin: 0px;

        padding: 0px;

      }

    </style>

    <script>

        window.onload = function () {

            var canvas = document.getElementById("mycanvas");

            var cntx = canvas.getcntx("2d");

 

            cntx.beginPath();

            cntx.moveTo(188, 150);

            cntx.quadraticCurveTo(288, 0, 388, 150);

            cntx.lineWidth = 10;

            // line color

            cntx.strokeStyle = "black";

            cntx.stroke();

        };

 

    </script>

  </head>

  <body>

    <canvas id="mycanvas" width="500" height="250"></canvas>

  </body>

</html>

 

Output


cnv2.jpg

Further Readings

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