将路径宽度更改为svg容器的100％ [英] change path width to 100% of svg container

问题描述

我有一个svg背景图像，但路径不是svg宽度的100％.我也尝试过更改keepaspectratio，但是没有用.

I have an svg background image but path is not 100% of svg width. I have tried change preserveaspectratio as well but did not work.

<svg x="0" y="0" viewBox="0 0 2227 1601" >
<path  d="M2166.88,40.32V1441.8l-323.83-195.25a347.4,347.4,0,0,0-352.44-3.72l-5.15,3-397.67,228.46a347.4,347.4,0,0,1-360.61-8.79L61,1038.23V40.32Z"/></svg>

推荐答案

如上所述，您需要更改viewBox属性的值. 在下一个示例中，svg元素具有overflow:visible，因此您可以看到没有溢出.

As I've commented you need to change the value of the viewBox attribute. In the next example the svg element has overflow:visible so that you can see that there is no overflow.

let bb = thePath.getBBox();

theSVG.setAttributeNS(null,"viewBox", `${bb.x} ${bb.y} ${bb.width} ${bb.height}`)

svg{border:solid; width:200px; overflow:visible}

<svg id="theSVG" x="0" y="0" viewBox="0 0 2227 1601" >
<path id="thePath"  d="M2166.88,40.32V1441.8l-323.83-195.25a347.4,347.4,0,0,0-352.44-3.72l-5.15,3-397.67,228.46a347.4,347.4,0,0,1-360.61-8.79L61,1038.23V40.32Z"/>
</svg>

如果您需要在路径周围添加某种空白，可以执行以下操作:

If you need to add some sort of white space around the path you can do this:

theSVG.setAttributeNS(null,"viewBox", `${bb.x - padding} ${bb.y - padding} ${bb.width + 2* padding} ${bb.height + 2 * padding}`)

let bb = thePath.getBBox();
let padding = 30;

theSVG.setAttributeNS(null,"viewBox", `${bb.x - padding} ${bb.y - padding} ${bb.width + 2* padding} ${bb.height + 2 * padding}`)

svg{border:solid; width:200px; overflow:visible}

<svg id="theSVG" x="0" y="0" viewBox="0 0 2227 1601" >
<path id="thePath"  d="M2166.88,40.32V1441.8l-323.83-195.25a347.4,347.4,0,0,0-352.44-3.72l-5.15,3-397.67,228.46a347.4,347.4,0,0,1-360.61-8.79L61,1038.23V40.32Z"/>
</svg>

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