javascript – 缩放SVG组元素,以便在点击时动态地在视口中居中
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了javascript – 缩放SVG组元素,以便在点击时动态地在视口中居中,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含3582字,纯文字阅读大概需要6分钟。
内容图文
![javascript – 缩放SVG组元素,以便在点击时动态地在视口中居中](/upload/InfoBanner/zyjiaocheng/746/8173e726287c4dfbab876e312a7473ce.jpg)
我想缩放SVG组元素,以便它缩放并转换为路径所在的点.这意味着,当我单击路径时,必须按照路径适合视口高度或宽度的方式缩放组并使路径居中.我真的尝试了很多方法,比如使用getBBox()来获取路径的高度,宽度,x和y,并从视口偏移中减去它们.我也尝试过d3.js来操纵它.但是,我找不到一个好的方法.
这是包含SVG的HTML:
<div style="width: 700px; height:600px; border:1px solid #d0d0d0; background: #e8e8e8; margin: 0 auto;">
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
viewBox="0 0 255.1 170.1" style="enable-background:new 0 0 255.1 170.1;" xml:space="preserve" width="100%" height="100%">
<g id="floorplan">
<path fill="#ED1C24" d="M35.8,51.8h36.3c1.6,0,2.8-1.3,2.8-2.8V22.1c0-1.6-1.3-2.8-2.8-2.8H35.8c-1.6,0-2.8,1.3-2.8,2.8v26.8
C33,50.5,34.3,51.8,35.8,51.8z"/>
<path fill="#4A68B1" d="M209.8,114.3h36.3c1.6,0,2.8-1.3,2.8-2.8V84.6c0-1.6-1.3-2.8-2.8-2.8h-36.3c-1.6,0-2.8,1.3-2.8,2.8v26.8
C207,113,208.3,114.3,209.8,114.3z"/>
<path fill="#F8991D" d="M134.3,158.8h36.3c1.6,0,2.8-1.3,2.8-2.8v-26.8c0-1.6-1.3-2.8-2.8-2.8h-36.3c-1.6,0-2.8,1.3-2.8,2.8v26.8
C131.5,157.5,132.8,158.8,134.3,158.8z"/>
<path fill="#ed2590" d="M13.1,124.3h36.3c1.6,0,2.8-1.3,2.8-2.8V94.6c0-1.6-1.3-2.8-2.8-2.8H13.1c-1.6,0-2.8,1.3-2.8,2.8v26.8
C10.2,123,11.5,124.3,13.1,124.3z"/>
<path fill="#356732" d="M161.1,42.5h36.3c1.6,0,2.8-1.3,2.8-2.8V12.8c0-1.6-1.3-2.8-2.8-2.8h-36.3c-1.6,0-2.8,1.3-2.8,2.8v26.8
C158.2,41.2,159.5,42.5,161.1,42.5z"/>
</g>
</svg>
</div>
这就是它的样子:
这就是我点击红色路径后想要的东西:
解决方法:
@Alexander,打败了我,但这是一个更d3的实现:
<!DOCTYPE html>
<html>
<head>
<script data-require="d3@4.0.0" data-semver="4.0.0" src="https://d3js.org/d3.v4.min.js"></script>
</head>
<body>
<div style="width: 700px; height:600px; border:1px solid #d0d0d0; background: #e8e8e8; margin: 0 auto;">
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 255.1 170.1" style="enable-background:new 0 0 255.1 170.1;" xml:space="preserve" width="100%" height="100%">
<g id="floorplan">
<path fill="#ED1C24" d="M35.8,51.8h36.3c1.6,0,2.8-1.3,2.8-2.8V22.1c0-1.6-1.3-2.8-2.8-2.8H35.8c-1.6,0-2.8,1.3-2.8,2.8v26.8
C33,50.5,34.3,51.8,35.8,51.8z"></path>
<path fill="#4A68B1" d="M209.8,114.3h36.3c1.6,0,2.8-1.3,2.8-2.8V84.6c0-1.6-1.3-2.8-2.8-2.8h-36.3c-1.6,0-2.8,1.3-2.8,2.8v26.8
C207,113,208.3,114.3,209.8,114.3z"></path>
<path fill="#F8991D" d="M134.3,158.8h36.3c1.6,0,2.8-1.3,2.8-2.8v-26.8c0-1.6-1.3-2.8-2.8-2.8h-36.3c-1.6,0-2.8,1.3-2.8,2.8v26.8
C131.5,157.5,132.8,158.8,134.3,158.8z"></path>
<path fill="#ed2590" d="M13.1,124.3h36.3c1.6,0,2.8-1.3,2.8-2.8V94.6c0-1.6-1.3-2.8-2.8-2.8H13.1c-1.6,0-2.8,1.3-2.8,2.8v26.8
C10.2,123,11.5,124.3,13.1,124.3z"></path>
<path fill="#356732" d="M161.1,42.5h36.3c1.6,0,2.8-1.3,2.8-2.8V12.8c0-1.6-1.3-2.8-2.8-2.8h-36.3c-1.6,0-2.8,1.3-2.8,2.8v26.8
C158.2,41.2,159.5,42.5,161.1,42.5z"></path>
</g>
</svg>
</div>
<script>
var svg = d3.select("svg"),
g = svg.select("g");
var v = svg.attr("viewBox").split(" "),
width = v[2],
height = v[3];
svg.on("click", function(d){
g.attr("transform", "translate(" + [0,0] + ")scale(" + 1 + ")");
});
d3.selectAll("path")
.on("click", function() {
var bbox = this.getBBox(),
dx = bbox.width - bbox.x,
dy = bbox.height - bbox.y,
x = (bbox.x + (bbox.x + bbox.width)) / 2,
y = (bbox.y + (bbox.y + bbox.height)) / 2,
scale = Math.min(height / bbox.height, width / bbox.width),
translate = [width / 2 - scale * x, height / 2 - scale * y];
g.attr("transform", "translate(" + translate + ")scale(" + scale + ")");
d3.event.stopPropagation();
});
</script>
</body>
</html>
内容总结
以上是互联网集市为您收集整理的javascript – 缩放SVG组元素,以便在点击时动态地在视口中居中全部内容,希望文章能够帮你解决javascript – 缩放SVG组元素,以便在点击时动态地在视口中居中所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错,欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 gblab@vip.qq.com 举报,一经查实,本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。