mask-image
Baseline
2023
Newly available
Since December 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
mask-image CSS 属性设置了用作元素蒙版层的图像。默认情况下，这意味着蒙版图像的 alpha 通道将与元素的 alpha 通道相乘。可以使用 mask-mode 属性对此进行控制。
css
/* 关键字值 */
mask-image: none;
/* <mask-source> 值 */
mask-image: url(masks.svg#mask1);
/* <image> 值 */
mask-image: linear-gradient(rgba(0, 0, 0, 1), transparent);
mask-image: image(url(mask.png), skyblue);
/* 多个属性值 */
mask-image:
image(url(mask.png), skyblue), linear-gradient(rgba(0, 0, 0, 1), transparent);
/* 全局属性值 */
mask-image: inherit;
mask-image: initial;
mask-image: revert;
mask-image: revert-layer;
mask-image: unset;
语法
值
none-
默认值，透明的黑色图像层，也就是没有遮罩层。
<mask-source><image>-
用作蒙版图像层的图像值。
形式定义
形式语法
mask-image =
<mask-reference>#
<mask-reference> =
none |
<image> |
<mask-source>
<image> =
<url> |
<image()> |
<image-set()> |
<cross-fade()> |
<element()> |
<gradient>
<mask-source> =
<url>
<image()> =
image( <image-tags>? [ <image-src>? , <color>? ]! )
<image-set()> =
image-set( <image-set-option># )
<cross-fade()> =
cross-fade( <cf-image># )
<element()> =
element( <id-selector> )
<image-tags> =
ltr |
rtl
<image-src> =
<url> |
<string>
<image-set-option> =
[ <image> | <string> ] [ <resolution> || type( <string> ) ]?
<cf-image> =
[ <image> | <color> ] &&
<percentage [0,100]>?
<id-selector> =
<hash-token>
示例
使用 URL 设置蒙版图像
规范
| Specification |
|---|
| CSS Masking Module Level 1 # the-mask-image |
浏览器兼容性
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