jquery - 大尺寸的 svg 无法正常工作 如何在 react-pan-zoon-svg 中设置大 svg？

Question

在这里我使用 react-pan-zoom-svg 并尝试在可缩放区域中加载大型 SVG

我遇到了一些问题

1）当svg加载它不是从svg的中心点加载时

2）当我移动SVG它的矩阵值时，我取负数

3）适合屏幕不工作

共享的 jspaddel 无法正常工作，但我无法解决它，但我的所有代码都在那里

请帮忙

先感谢您

const {ReactSVGPanZoom} = window.ReactSVGPanZoom;

class Example extends React.Component{

	render () {
  	return (
		
    	<ReactSVGPanZoom
        width={window.innerWidth - 20} height={window.innerHeight - 20} scaleFactorMin={0.99}
        onClick={event => console.log(event.x, event.y, event.originalEvent)}>
		
        <svg width={4970} height={6480}>
        <rect x="0" fill="#000003" stroke="#FF0000" strokeWidth="0.216" strokeMiterlimit="22.9256" width="4969.988" height="6480"/>
		<g id="Layer_9">
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			</g>
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        </svg>  
      </ReactSVGPanZoom>
    );
  }
 }


ReactDOM.render(
  <div><Example /></div>,
  document.getElementById('container')
);

body {
  margin: 0;
  background-color: rgba(0, 0, 0, 0.05);
  background-image: repeating-linear-gradient(0deg, transparent, transparent 7px, rgba(0, 0, 0, 0.2) 1px, transparent 8px), repeating-linear-gradient(90deg, transparent, transparent 7px, rgba(0, 0, 0, 0.2) 1px, transparent 8px);
  background-size: 8px 8px;
}

#container {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 10px;
}

<script src="https://unpkg.com/react-svg-pan-zoom@2.16.1/build-umd/react-svg-pan-zoom.min.js"></script>
<script src="https://unpkg.com/prop-types@15.5.10/prop-types.js"></script>
<script src="https://unpkg.com/react-dom@15.5.4/dist/react-dom.js"></script>
<script src="https://unpkg.com/react@15.5.4/dist/react.js"></script>
<script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
<div id="container"></div>

Answer 1

无论如何，我对您的问题有点困惑，我正在尝试通过对您问题的理解来解决您的问题。

要解决您的问题，您需要更改您的 ReactSVGPanZoom

你的代码应该是

const {ReactSVGPanZoom} = window.ReactSVGPanZoom;

class Example extends React.Component{

	render () {
		const width = window.innerWidth - 20;
		const height= window.innerHeight - 20;
  	return (
		
    	<ReactSVGPanZoom
		width={width} height={height} scaleFactorMin={0.99}
        onClick={event => console.log(event.x, event.y, event.originalEvent)}>
		
			<svg width={4970} height={6480}>
				<rect x="0" fill="#000003" stroke="#FF0000" strokeWidth="0.216" strokeMiterlimit="22.9256" width="4969.988" height="6480"/>
				<g id="Layer_9">
					<path id="M4_x5F_36" fill="none" stroke="#B21436" strokeWidth="1.5" strokeMiterlimit="10" d="M3696.251,4110.594v101.864"/>
					<path id="M4_x5F_35" fill="none" stroke="#B21436" strokeWidth="1.5" strokeMiterlimit="10" d="M3696.251,3916.625v193.969"/>
					<path id="M4_x5F_34" fill="none" stroke="#B21436" strokeWidth="1.5" strokeMiterlimit="10" d="M3696.251,3802.334v114.291"/>
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			</svg>  
		</ReactSVGPanZoom>
    );
  }
 }


ReactDOM.render(
  <div><Example /></div>,
  document.getElementById('container')
);

Answer 2

不确定您要达到什么目标以及如何决定这些“固定宽度和高度”。

但这是您的代码的工作版本： https ://jsfiddle.net/tzookb/79742ncq/

现在请定义您想要实现的目标，以便我可以提供帮助。

我和 svg 战斗了很长时间。

快速更新您的代码：

 const width = window.innerWidth - 20;
    const height= window.innerHeight - 20;
    return (

        <ReactSVGPanZoom
        width={width} height={height} scaleFactorMin={0.99}
        onClick={event => console.log(event.x, event.y, event.originalEvent)}>

Answer 3

我花了一些时间来处理这个问题，我可以实现一些想要的功能。

工作演示： https ://codesandbox.io/s/wnp0np9l18

1）当svg加载它不是从svg的中心点加载

我所做的是一种解决方法，因为您可以使用值e&设置“缩放”所在的位置f。我无法研究更多的含义，但这是一个开始。我只是给ReactSVGPanZoom组件基于SVG.

<ReactSVGPanZoom
  value={{
    e: SVG_X_Size / 2,
    f: SVG_Y_Size / 2
    ...rest of values
  }}
  ...

2）当我移动 SVG 时，它的矩阵值取负

2. 对此没有任何想法。

3）适合屏幕不工作

3. 规模工厂不足以扩展，将其设置为：scaleFactorMin={0.0001}应该修复它。