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<defs>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;
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