Canvas createRadialGradient() method
Definition and usage
createLinearGradient() The method creates a radial/circular gradient object.
Gradients can be used to fill rectangles, circles, lines, text, and more.
Tip:Use the object as strokeStyle or fillStyle The value of the attribute.
Tip:Use addColorStop() The method specifies different colors and where to locate the colors in the gradient object.
Example
Draw a rectangle and fill it with a radial/circular gradient:
JavaScript:
var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
var grd=ctx.createRadialGradient(75,50,5,90,60,100);
grd.addColorStop(0,"red");
grd.addColorStop(1,"white");
// Fill with gradient
ctx.fillStyle=grd;
ctx.fillRect(10,10,150,100);
Syntax
context.createRadialGradient(x0,y0,r0,x1,y1,r1);
Parameter value
| Parameter | Description |
|---|---|
| x0 | The x-coordinate of the starting circle of the gradient. |
| y0 | The y-coordinate of the starting circle of the gradient. |
| r0 | The radius of the starting circle. |
| x1 | The x-coordinate of the ending circle of the gradient. |
| y1 | The y-coordinate of the ending circle of the gradient. |
| r1 | The radius of the ending circle. |
Browser support
The numbers in the table indicate the first browser version that fully supports this attribute.
| Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|
| Chrome | Edge | Firefox | Safari | Opera |
| 4.0 | 9.0 | 3.6 | 4.0 | 10.1 |
Nota:Internet Explorer 8 y versiones anteriores no admiten el elemento <canvas>.
