alexlande/react-zoom-pan-pinch

🖼 React library to support easy zoom, pan, pinch on various html dom elements like <img> and <div>

🖼 React Zoom Pan Pinch

Super fast and light react npm package for zooming, panning and pinching html elements in easy way

Do you like this library? Try out other projects ⚡Hyper Fetch

Sources

• Demo
• Docs

Key Features

• 🚀 Fast and easy to use
• 🏭 Light, without external dependencies
• 💎 Mobile gestures, touchpad gestures and desktop mouse events support
• 🎁 Powerful context usage, which gives you a lot of freedom
• 🔧 Highly customizable
• 👑 Animations and Utils to create own tools
• 🔮 Advanced hooks and components

Help me keep working on this project ❤️

• Become a Sponsor on GitHub

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Installation

npm install --save react-zoom-pan-pinch
or
yarn add react-zoom-pan-pinch

Examples

import React, { Component } from "react";

import { TransformWrapper, TransformComponent } from "react-zoom-pan-pinch";

const Example = () => {
  return (
    <TransformWrapper>
      <TransformComponent>
        <img src="image.jpg" alt="test" />
      </TransformComponent>
    </TransformWrapper>
  );
};

or

import React, { Component } from "react";

import { TransformWrapper, TransformComponent } from "react-zoom-pan-pinch";

const Example = () => {
  return (
    <TransformWrapper
      initialScale={1}
      initialPositionX={200}
      initialPositionY={100}
    >
      {({ zoomIn, zoomOut, resetTransform, ...rest }) => (
        <React.Fragment>
          <div className="tools">
            <button onClick={() => zoomIn()}>+</button>
            <button onClick={() => zoomOut()}>-</button>
            <button onClick={() => resetTransform()}>x</button>
          </div>
          <TransformComponent>
            <img src="image.jpg" alt="test" />
            <div>Example text</div>
          </TransformComponent>
        </React.Fragment>
      )}
    </TransformWrapper>
  );
};

or

import React, { useRef } from "react";
import {
  TransformWrapper,
  TransformComponent,
  ReactZoomPanPinchRef,
} from "react-zoom-pan-pinch";

const Controls = ({ zoomIn, zoomOut, resetTransform }) => (
  <>
    <button onClick={() => zoomIn()}>+</button>
    <button onClick={() => zoomOut()}>-</button>
    <button onClick={() => resetTransform()}>x</button>
  </>
);

const Component = () => {
  const transformComponentRef = useRef<ReactZoomPanPinchRef | null>(null);

  const zoomToImage = () => {
    if (transformComponentRef.current) {
      const { zoomToElement } = transformComponentRef.current;
      zoomToElement("imgExample");
    }
  };

  return (
    <TransformWrapper
      initialScale={1}
      initialPositionX={200}
      initialPositionY={100}
      ref={transformComponentRef}
    >
      {(utils) => (
        <React.Fragment>
          <Controls {...utils} />
          <TransformComponent>
            <img src="image.jpg" alt="test" id="imgExample" />
            <div onClick={zoomToImage}>Example text</div>
          </TransformComponent>
        </React.Fragment>
      )}
    </TransformWrapper>
  );
};

License

MIT © prc5