mask属性是css3的吗_如何在CSS中使用遮罩mask

mask 是指通过在特定点遮盖或者剪裁改变元素的外观。

mask-image

mask-image 通过读取透明度对html元素进行遮罩，黑色代表透明，白色代表不透明，灰色为半透明。适用于所有元素，在SVG中，它作用于包含元素和所有图形元素的容器。

/* 图片资源 */

-webkit-mask-image: url(mask.png);

/* css的渐变属性 */

-webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));

/* image属性 ~ ??? */

-webkit-mask-image: image(url(mask.png), skyblue);

/* 混合属性 */

-webkit-mask-image: url('http://d.lanrentuku.com/down/png/1410/bw_halloween/bat-3-256.png'), linear-gradient(rgba(0, 0, 0, 1.0), transparent);

mask-repeat

/* 单个值 */

-webkit-mask-repeat: no-repeat | repeat-x | repeat-y | space | round | repeat(默认值);

/* 两个值 horizontal(水平) vertical(垂直) (以下仅为示例)*/

-webkit-mask-repeat: repeat space | repeat repeat | round space | no-repeat round;

/* Multiple values */

-webkit-mask-repeat: space round, no-repeat;

-webkit-mask-repeat: round repeat, space, repeat-x;

/* 多层遮罩 (。・_・)/~~~*/

mask-image: url('mask1.png'), url('mask2.png');

mask-repeat: repeat-x, repeat-y;

mask-clip

-webkit-mask-clip: content-box | padding-box | border-box | margin-box | fill-box | stroke-box | view-box | no-clip;

-webkit-mask-clip: border;

-webkit-mask-clip: padding;

-webkit-mask-clip: content;

-webkit-mask-clip: text;

/* Multiple values */

-webkit-mask-clip: padding-box, no-clip;

-webkit-mask-clip: view-box, fill-box, border-box;

mask-origin

/* Keyword values */

mask-origin: content-box;

mask-origin: padding-box;

mask-origin: border-box;

mask-origin: margin-box;

mask-origin: fill-box;

mask-origin: stroke-box;

mask-origin: view-box;

/* Multiple values */

mask-origin: padding-box, content-box;

mask-origin: view-box, fill-box, border-box;

/* Non-standard keyword values */

-webkit-mask-origin: content;

-webkit-mask-origin: padding;

-webkit-mask-origin: border;

mask-size

.divTest{

padding: 40px;

background-color: #03ff36;

background-image: url(http://cdn01.baidu-img.cn/timg?image_search&quality=80&size=b10000_10000&sec=1470644878&di=f054ab9449175833cf84b3429acacd88&imgtype=jpg&src=http%3A%2F%2Fimg0.bdstatic.com%2Fimg%2Fimage%2Fshouye%2Fxiaoxiao%2Fis099s8ky-PC.jpg));

-webkit-mask-image: url(http://image27.360doc.com/DownloadImg/2011/04/2015/11077777_58.png)), url(http://img.t.sinajs.cn/t6/style/images/global_nav/WB_logo.png));

-webkit-mask-repeat: space,repeat-y;

-webkit-mask-clip: text;

-webkit-mask-size: 5%, 8%;

border: 30px solid red;

}

mask-composite (均不支持 ಥ _ ಥ )

mask-composite: add | subtract | intersect | exclude;