CanvasRenderingContext2D.imageSmoothingQuality

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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The CanvasRenderingContext2D.imageSmoothingQuality property of the Canvas 2D API allows you to set the quality of image smoothing.

Syntax

ctx.imageSmoothingQuality = "low" || "medium" || "high"

Options

value
One of "low", "medium", or "high".

Examples

Using the imageSmoothingQuality property

This is just a simple code snippet using the imageSmoothingQuality property with a scaled image.

HTML

<canvas id="canvas"></canvas>

JavaScript

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

var img = new Image();
img.src = 'https://mdn.mozillademos.org/files/222/Canvas_createpattern.png';
img.onload = function() {
 ctx.mozImageSmoothingEnabled = false;
 ctx.imageSmoothingQuality = "Medium";
 ctx.webkitImageSmoothingEnabled = false;
 ctx.msImageSmoothingEnabled = false;
 ctx.imageSmoothingEnabled = false;
 ctx.drawImage(img, 0, 0, 400, 200);
};

Edit the code below and see your changes update live in the canvas:

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'imageSmoothingQuality' in that specification.
Living Standard Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support54 ? No ?41 Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support5454 ? No41 Yes6.0

See also

ドキュメントのタグと貢献者

このページの貢献者: fscholz, thatmichael85, mantou, jpmedley
最終更新者: fscholz,