CanvasRenderingContext2D.imageSmoothingQuality
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The imageSmoothingQuality
property of the CanvasRenderingContext2D
interface, part of the Canvas API, lets you set the quality of image smoothing.
Note: For this property to have an effect, imageSmoothingEnabled
must be true
.
Syntax
ctx.imageSmoothingQuality = "low" || "medium" || "high"
Options
Possible values:
"low"
-
Low quality.
"medium"
-
Medium quality.
"high"
-
High quality.
Example
Setting image smoothing quality
This example uses the imageSmoothingQuality
property with a scaled image.
HTML
<canvas id="canvas"></canvas>
JavaScript
const canvas = document.getElementById('canvas'); const ctx = canvas.getContext('2d'); let img = new Image(); img.src = 'canvas_createpattern.png'; img.onload = function() { ctx.imageSmoothingQuality = 'low'; ctx.drawImage(img, 0, 0, 300, 150); };
Result
Specifications
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
imageSmoothingQuality |
54 |
79 |
No |
No |
41 |
9.1 |
54 |
54 |
No |
41 |
9.3 |
6.0 |
See also
- The interface defining this property:
CanvasRenderingContext2D
CanvasRenderingContext2D.imageSmoothingEnabled
image-rendering
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https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/imageSmoothingQuality