HTML canvas createRadialGradient() Method
Example
Draw a rectangle and fill 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);
Try it Yourself »
Browser Support
The numbers in the table specify the first browser version that fully supports the method.
Method | |||||
---|---|---|---|---|---|
createRadialGradient() | Yes | 9.0 | Yes | Yes | Yes |
Definition and Usage
The createRadialGradient() method creates a radial/circular 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.createRadialGradient(x0,y0,r0,x1,y1,r1); |
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Parameter Values
Parameter | Description |
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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 |
❮ HTML Canvas Reference