CanvasRenderingContext2D：imageSmoothingQuality 属性
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Canvas 2D API 的 CanvasRenderingContext2D 接口的 imageSmoothingQuality 属性，用于设置图像平滑度。
备注：
要使此属性生效，imageSmoothingEnabled 属性必须为 true。
值
示例
设置图像平滑质量
这是一段简单的代码片段，对缩放的图片使用 imageSmoothingQuality 属性。
HTML
html
<canvas id="canvas"></canvas>
JavaScript
js
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");
let img = new Image();
img.src = "canvas_createpattern.png";
img.onload = () => {
ctx.imageSmoothingQuality = "low";
ctx.drawImage(img, 0, 0, 300, 150);
};
结果
规范
| Specification |
|---|
| HTML # dom-context-2d-imagesmoothingquality-dev |