How to use HTML5 Canvas Text Base Line

This article describe about HTML5 Canvas Text Base Line.
  • 1981

HTML5 Canvas Text Base Line 

  • Text base line is defined HTML5 canvas.
  • So text baseline set following values in HTML5: top, middle, hanging, alphabetic, ideographic, and bottom.
  • The text baseline method is a alphabetic.

Syntax

<script>
       context.textBaseline = 'middle';
</script>

Example

<!DOCTYPE HTML>

<html>

  <head>

    <style>

      body {

        margin: 0px;

        padding: 0px;

      }

      #myCanvas {

        border: 1px solid #9C9898;

      }

    </style>

    <script>

        window.onload = function () {

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

            var context = canvas.getContext("2d");

            var x = canvas.width / 2;

            var y = canvas.height / 2;

 

            context.font = "30pt Calibri";   

            context.textAlign = "center";

            context.textBaseline = "middle";

            context.fillStyle = "red";

            context.fillText("I am canvas!", x, y);

        };

 

    </script>

  </head>

  <body>

    <canvas id="myCanvas" width="400" height="170"></canvas>

  </body>

</html>

 

Output

text base line.jpg

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