CSS绘制距离测量的指示线条

css arrows on image

css, arrow

《three.js如何实现贴图模糊效果 - 使用canvas》申请公开！

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JavaScript

编译

CSS

body {
  margin: 40px;
}

.image {
  position: relative;
  height: 300px;
  width: 640px;
}

.image:hover .arrow {
  opacity: 0;
}

.arrow {
  width: 95%;
  height: 1px;
  background-color: #FFF;
  position: relative;
  transition: all 0.5s;
}

.arrow:before {
  content: ' ' attr(data-text) ' ';
  position: absolute;
  color: #FFF;
  font-family: sans-serif;
  font-size: 12px;
}

.arrow.arrow-top:before {
  top: 10px;
  left: 50%;
}

.arrow.arrow-bottom:before {
  left: 50%;
  bottom: 10px;
}

.arrow-bottom {
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
}

.arrow-top {
  top: 25px;
  left: 50%;
  transform: translateX(-50%);
}

.arrow span:first-child:after {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  display: block;
  width: 0; 
  height: 0; 
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent; 
  border-right: 10px solid #FFF; 
}

.arrow span:first-child:before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  display: block;
  width: 1px; 
  height: 12px;
  background-color: #FFF;
}

.arrow span:last-child:after {
  content: "";
  position: absolute;
  top: -5px;
  right: 0;
  display: block;
  width: 0; 
  height: 0; 
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent; 
  border-left: 10px solid #FFF; 
}

.arrow span:last-child:before {
  content: "";
  position: absolute;
  top: -5px;
  right: 0;
  display: block;
  width: 1px; 
  height: 12px;
  background-color: #FFF;
}

.arrow.arrow-side {
  height: 60%;
  width: 1px;
  background-color: #FFF;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.arrow.arrow-side:before {
  content: ' ' attr(data-text) ' ';
  position: absolute;
  color: #FFF;
  font-family: sans-serif;
  font-size: 12px;
  top: 50%;
}

.arrow.arrow-side.arrow-left {
  left: 20px;
}

.arrow.arrow-side.arrow-left:before {
  left: 0px;
  transform: translateY(-50%) rotate(90deg);
}

.arrow.arrow-side.arrow-right {
  right: 20px;
}

.arrow.arrow-side.arrow-right:before {
  right: 0px;
  transform: translateY(-50%) rotate(-90deg);
}

.arrow.arrow-side span:first-child:after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: -5px;
  top: auto;
  display: block;
  width: 0; 
  height: 0; 
  border-top: 10px solid #FFF;
  border-left: 6px solid transparent; 
  border-right: 6px solid transparent; 
}

.arrow.arrow-side span:first-child:before {
  content: "";
  position: absolute;
  bottom: -3px;
  left: -5px;
  top: auto;
  display: block;
  width: 12px; 
  height: 1px;
  background-color: #FFF;
}

.arrow.arrow-side span:last-child:after {
  content: "";
  position: absolute;
  bottom: auto;
  left: -5px;
  top: -12px;
  display: block;
  width: 0; 
  height: 0; 
  border-bottom: 10px solid #FFF;
  border-left: 6px solid transparent; 
  border-right: 6px solid transparent; 
}

.arrow.arrow-side span:last-child:before {
  content: "";
  position: absolute;
  top: -6px;
  left: -5px;
  bottom: auto;
  display: block;
  width: 12px; 
  height: 1px;
  background-color: #FFF;
}

HTML

css arrows on image

css, arrow

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css arrows on image

css, arrow

纯CSS绘制的海岛轮廓线素描动画

在SVG中使用CSS变量实例演示：可定制的电子宠物小毛驴

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