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react-native-canvas

0.1.24 • Public • Published

react-native-canvas

A Canvas component for React Native

npm install react-native-canvas

Usage

import React, { Component } from 'react';
import Canvas from 'react-native-canvas';
 
class App extends Component {
 
  handleCanvas = (canvas) => {
    const ctx = canvas.getContext('2d');
    ctx.fillStyle = 'purple';
    ctx.fillRect(0, 0, 100, 100);
  }
 
  render() {
    return (
      <Canvas ref={this.handleCanvas}/>
    )
  }
}

API

Canvas

Canvas#height

Reflects the height of the canvas in pixels

Canvas#width

Reflects the width of the canvas in pixels

Canvas#getContext()

Returns a canvas rendering context. Currently only supports 2d context.

Canvas#toDataURL()

Returns a Promise that resolves to DataURL.

CanvasRenderingContext2D

Standard CanvasRenderingContext2D. MDN. Only difference is await should be used to retrieve values from methods.

const ctx = canvas.getContext('2d');

Image

WebView Image constructor. Unlike in the browsers accepts canvas as first argument. MDN

const image = new Image(canvas, height, width);

Keywords

none

install

npm i react-native-canvas

Downloadsweekly downloads

460

version

0.1.24

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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