createLinearGradient() Method - Javascript Canvas Reference

Javascript examples for Canvas Reference:createLinearGradient

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Description

The createLinearGradient() method creates a linear gradient object which can be used to fill rectangles, circles, lines, text, etc.

JavaScript syntax 

context.createLinearGradient(x0, y0, x1, y1);

Parameter Values

Parameter Description
x0The x-coordinate of the start point
y0The y-coordinate of the start point
x1The x-coordinate of the end point
y1The y-coordinate of the end point

Example

The following code shows how to create a gradient from top to bottom as the fill style for the rectangle:

JavaScript:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<canvas id="myCanvas" width="300" height="250" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>

<script>

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
var grd = ctx.createLinearGradient(0, 0, 190, 0);
grd.addColorStop(0, "black");
grd.addColorStop(0.5, "red");
grd.addColorStop(1, "white");
ctx.fillStyle = grd;//from w ww . j a  v a 2  s  .c  o  m
ctx.fillRect(20, 20, 150, 100);

</script>


</body>
</html>

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