利用mask-image,制作走马灯效果

2019-07-22  本文已影响0人  牛妈代代

mask-image:为元素添加图片遮罩层,跟ps里面的遮罩层用法类似;
适用于:所有元素; 在SVG中,它适用于除defs元素和所有图形元素之外的容器元素;

属性默认值:
mask-image: none/url/ 设置蒙版图像源.默认值透明的黑色图像层
mask-mode: match-source 设置蒙版图像的蒙版模式
mask-repeat: no-repeat 是否重复
mask-position: center 设置蒙版图像的位置
mask-size: auto 设置蒙版图像的大小

语法:(与background-image用法相同)
mask-image: url(masks.svg#mask1);
mask-image:linear-gradient(rgba(0, 0, 0, 1.0), transparent);
mask-image: image(url(mask.png), skyblue, linear-gradient(rgba(0, 0, 0, 1.0), transparent);

利用mask-image制作走马灯效果

<!doctype html>
<html lang="en">
 <head>
  <meta charset="UTF-8">

  <style>
     @keyframes mask{
        0% {-webkit-mask-position:0px 0px;}
        25% {-webkit-mask-position:619px 0px;}
        50% {-webkit-mask-position:0px 0px;}
        75% {-webkit-mask-position:308px 0px;-webkit-mask-size:100%;}
        100% {-webkit-mask-size:1000%;}
     }

    .mask{
        width:700px;
        height:392px;
        background:black url("https://xiaowu0371.github.io/img/bg.jpg");
        -webkit-mask-image:url("https://xiaowu0371.github.io/img/mask.jpg");
        animation:mask 5s linear infinite forwards;
    }
  </style>
 </head>
 <body>
      <div class="mask"></div>
 </body>
</html>

按钮特效:

<!doctype html>
<html lang="en">
 <head>
  <meta charset="UTF-8">

  <style>
/*公共按钮样式*/
.public-button {
    position: relative;
    width: 300px;
    height: 86px;
    margin-left: auto;
    margin-right: auto;
    overflow: hidden;
    border-radius: 20px;
    font-weight: 300;
    transition: 0.5s;
    margin:40px auto;
    box-shadow: 0 0 20px #cccccc;
    background:#68b7ff;
    font-size:0;
  }
  .public-button button {
    width: 101%;
    height: 100%;
    font-weight: 300;
    font-size: 34px;
    background: #daecfd;
    -webkit-mask: url("http://static.baizhiedu.com/mobile-2018/special/python/img-2/urban-sprite.png");
    mask: url("http://static.baizhiedu.com/mobile-2018/special/python/img-2/urban-sprite.png");
    -webkit-mask-size: 3000% 100%;
    mask-size: 3000% 100%;
    border: none;
    border-radius: 20px;
    color: black;
    font-family: "Arial, Helvetica, sans-serif";
    cursor: pointer;
    -webkit-animation: ani2 2s steps(29) infinite;
    animation: ani2 2s steps(29) infinite;

  }
  
  
  .mas {
    position: absolute;
    display: inline-block;
    width: 300px;
    height: 86px;
    line-height: 86px;
    color: #ffffff;
    text-align: center;
    width: 101%;
    font-weight: 300;
    position: absolute;
    font-size: 34px;
    overflow: hidden;
  }
  @-webkit-keyframes ani2 {
    from {
      -webkit-mask-position: 100% 0;
      mask-position: 100% 0;
    }
    to {
      -webkit-mask-position: 0 0;
      mask-position: 0 0;
    }
  }
  @keyframes ani2 {
    from {
      -webkit-mask-position: 100% 0;
      mask-position: 100% 0;
    }
    to {
      -webkit-mask-position: 0 0;
      mask-position: 0 0;
    }
  }  

  </style>
 </head>
 <body>
      <div class="public-button">
            <span class="mas">更多相关信息</span>
            <button type="button" name="Hover">更多相关信息</button>
      </div>
 </body>
</html>
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