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HTML canvas createLinearGradient() Method

< HTML Canvas Reference

Example

Define a gradient (left to right) that goes from black to white, as the fill style for the rectangle:

YourbrowserdoesnotsupporttheHTML5canvastag.

JavaScript:

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");

var grd=ctx.createLinearGradient(0,0,170,0);
grd.addColorStop(0,"black");
grd.addColorStop(1,"white");

ctx.fillStyle=grd;
ctx.fillRect(20,20,150,100);
Try it Yourself »

Browser Support

The numbers in the table specify the first browser version that fully supports the method.

Method
createLinearGradient() Yes 9.0 Yes Yes Yes

Definition and Usage

The createLinearGradient() method creates a linear gradient object.

The gradient can be used to fill rectangles, circles, lines, text, etc.

Tip: Use this object as the value to the strokeStyle or fillStyle properties.

Tip: Use the addColorStop() method to specify different colors, and where to position the colors in the gradient object.

JavaScript syntax: context.createLinearGradient(x0,y0,x1,y1);

Parameter Values

Parameter Description
x0 The x-coordinate of the start point of the gradient
y0 The y-coordinate of the start point of the gradient
x1 The x-coordinate of the end point of the gradient
y1 The y-coordinate of the end point of the gradient

More Examples

Example

Define a gradient (top to bottom) as the fill style for the rectangle:

Yourbrowserdoesnotsupportthecanvastag.

JavaScript:

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
var my_gradient=ctx.createLinearGradient(0,0,0,170);
my_gradient.addColorStop(0,"black");
my_gradient.addColorStop(1,"white");
ctx.fillStyle=my_gradient;
ctx.fillRect(20,20,150,100);
Try it Yourself »

Example

Define a gradient that goes from black, to red, to white, as the fill style for the rectangle:

Yourbrowserdoesnotsupportthecanvastag.

JavaScript:

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
var my_gradient=ctx.createLinearGradient(0,0,170,0);
my_gradient.addColorStop(0,"black");
my_gradient.addColorStop(0.5,"red");
my_gradient.addColorStop(1,"white");
ctx.fillStyle=my_gradient;
ctx.fillRect(20,20,150,100);
Try it Yourself »

< HTML Canvas Reference