mask-image
CSS
property sets the image that is used as mask layer for an element.
/* Keyword value */ mask-image: none; /* <mask-source> value */ mask-image: url(masks.svg#mask1); /* <image> values */ mask-image: linear-gradient(rgba(0, 0, 0, 1.0), transparent); mask-image: image(url(mask.png), skyblue); /* Multiple values */ mask-image: image(url(mask.png), skyblue), linear-gradient(rgba(0, 0, 0, 1.0), transparent); /* Global values */ mask-image: inherit; mask-image: initial; mask-image: unset;
none
This keyword is interpreted as a transparent black image layer.
<mask-source>
<url>
reference to a
<mask>
or to a CSS image.
<image>
An image value used as mask image layer.
| 初始值 |
none
|
|---|---|
| 适用于 |
all elements; In SVG, it applies to container elements excluding the
defs
element and all graphics elements
|
| 继承 | no |
| 计算值 |
as specified, but with
<url>
values made absolute
|
| 动画类型 | discrete |
<mask-reference>#where
<mask-reference> = none | <image> | <mask-source>where
<image> = <url> | <image()> | <image-set()> | <element()> | <paint()> | <cross-fade()> | <gradient>
<mask-source> = <url>where
<image()> = image( <image-tags>? [ <image-src>? , <color>? ]! )
<image-set()> = image-set( <image-set-option># )
<element()> = element( <id-selector> )
<paint()> = paint( <ident>, <declaration-value>? )
<cross-fade()> = cross-fade( <cf-mixing-image> , <cf-final-image>? )
<gradient> = <linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()> | <conic-gradient()>where
= ltr | rtl
<image-src> = <url> | <string>
<color> = <rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>
<image-set-option> = [ <image> | <string> ] <resolution>
<id-selector> = <hash-token>
<cf-mixing-image> = <percentage>? && <image>
<cf-final-image> = <image> | <color>
<linear-gradient()> = linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )
<repeating-linear-gradient()> = repeating-linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )
<radial-gradient()> = radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )
<repeating-radial-gradient()> = repeating-radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )
<conic-gradient()> = conic-gradient( [ from <angle> ]? [ at <position> ]?, <angular-color-stop-list> )where
<rgb()> = rgb( <percentage>{3} [ / <alpha-value> ]? ) | rgb( <number>{3} [ / <alpha-value> ]? ) | rgb( <percentage>#{3} , <alpha-value>? ) | rgb( <number>#{3} , <alpha-value>? )
<rgba()> = rgba( <percentage>{3} [ / <alpha-value> ]? ) | rgba( <number>{3} [ / <alpha-value> ]? ) | rgba( <percentage>#{3} , <alpha-value>? ) | rgba( <number>#{3} , <alpha-value>? )
<hsl()> = hsl( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsl( <hue>, <percentage>, <percentage>, <alpha-value>? )
<hsla()> = hsla( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsla( <hue>, <percentage>, <percentage>, <alpha-value>? )
<side-or-corner> = [ left | right ] || [ top | bottom ]
<color-stop-list> = [ <linear-color-stop> [, <linear-color-hint>]? ]# , <linear-color-stop>
<ending-shape> = circle | ellipse
<size> = closest-side | farthest-side | closest-corner | farthest-corner | <length> | <length-percentage>{2}
<position> = [ [ left | center | right ] || [ top | center | bottom ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]? | [ [ left | right ] <length-percentage> ] && [ [ top | bottom ] <length-percentage> ] ]
<angular-color-stop-list> = [ <angular-color-stop> [, <angular-color-hint>]? ]# , <angular-color-stop>where
<alpha-value> = <number> | <percentage>
<hue> = <number> | <angle>
<linear-color-stop> = <color> <color-stop-length>?
<linear-color-hint> = <length-percentage>
<length-percentage> = <length> | <percentage>
<angular-color-stop> = <color> && <color-stop-angle>?
<angular-color-hint> = <angle-percentage>where
<color-stop-length> = <length-percentage>{1,2}
<color-stop-angle> = <angle-percentage>{1,2}
<angle-percentage> = <angle> | <percentage>
<div id="masked"></div>
#masked {
width: 100px;
height: 100px;
background-color: #8cffa0;
-webkit-mask-image: url(https://mdn.mozillademos.org/files/12676/star.svg);
mask-image: url(https://mdn.mozillademos.org/files/12676/star.svg);
}
| 规范 | 状态 | 注释 |
|---|---|---|
|
CSS Masking Module Level 1
The definition of 'mask-image' in that specification. |
候选推荐 | 初始定义 |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
mask-image
|
Chrome
完整支持
1
Prefixed
注意事项
|
Edge 完整支持 16 | Firefox 完整支持 53 | IE 不支持 No |
Opera
完整支持
15
Prefixed
|
Safari
完整支持
4
Prefixed
注意事项
|
WebView Android
完整支持
2
Prefixed
注意事项
|
Chrome Android
完整支持
18
Prefixed
注意事项
|
Firefox Android 完整支持 53 |
Opera Android
完整支持
14
Prefixed
|
Safari iOS
完整支持
3.2
Prefixed
注意事项
|
Samsung Internet Android
完整支持
1.0
Prefixed
|
| Multiple mask images | Chrome 完整支持 1 | Edge 完整支持 18 | Firefox 完整支持 53 | IE 不支持 No | Opera 完整支持 15 | Safari 完整支持 4 | WebView Android 完整支持 ≤37 | Chrome Android 完整支持 18 | Firefox Android 完整支持 53 | Opera Android 完整支持 14 | Safari iOS 完整支持 3.2 | Samsung Internet Android 完整支持 1.0 |
| SVG masks | Chrome 完整支持 8 | Edge 完整支持 18 | Firefox 完整支持 53 | IE 不支持 No | Opera 完整支持 15 | Safari 完整支持 4 | WebView Android 完整支持 ≤37 | Chrome Android 完整支持 18 | Firefox Android 完整支持 53 | Opera Android 完整支持 14 | Safari iOS 完整支持 3.2 | Samsung Internet Android 完整支持 1.0 |
完整支持
不支持
见实现注意事项。
要求使用供应商前缀或不同名称。