
Security News
Deno 2.2 Improves Dependency Management and Expands Node.js Compatibility
Deno 2.2 enhances Node.js compatibility, improves dependency management, adds OpenTelemetry support, and expands linting and task automation for developers.
rax-canvas
Advanced tools
画布组件.
$ npm install rax-canvas --save
注:
1、支持列表中的 代表 Web
代表 Weex
代表阿里小程序
代表微信小程序
属性 | 类型 | 默认值 | 必填 | 描述 | 支持 |
---|---|---|---|---|---|
style | Object | - | ✘ | 通过内联的方式设置画布样式 | |
className | Object | - | ✘ | 设置画布的样式 | |
width | number | 0 | ✘ | 设置画布的宽度 | |
height | number | 0 | ✘ | 设置画布的高度 | |
onClick | function | - | ✘ | 点击画布时触发的事件 | |
onLongPress | function | - | ✘ | 长按画布时触发的事件 | |
onTouchStart | function | - | ✘ | 触摸画布时触发的事件 | |
onTouchMove | function | - | ✘ | 手指在画布上移动时触发的事件 | |
onTouchEnd | function | - | ✘ | 结束触摸时触发的事件 | |
onTouchCancel | function | - | ✘ | 触摸事件取消的时候触发的事件 |
返回画布实例。
type 默认值为 2d
,目前在微信小程序中仅支持 2d
/webgl
,在阿里小程序中暂不支持设置。
直接指定 width
或者 height
的优先级高于在 style
和 className
中指定的宽高。
import { createElement, Component, render, createRef } from 'rax';
import Canvas from 'rax-canvas';
import DriverUniversal from "driver-universal"
class CanvasSample extends Component {
constructor(props) {
super(props);
this.raxCanvasDemo = createRef()
}
componentDidMount() {
const context = this.raxCanvasDemo.current.getContext();
context.fillStyle = 'red';
context.fillRect(0, 0, 100, 100);
}
render() {
return <Canvas style={{
width: 750,
height: 750
}} ref={this.raxCanvasDemo} />;
}
}
render(<CanvasSample />, document.body, { driver: DriverUniversal });
FAQs
Canvas for Rax.
The npm package rax-canvas receives a total of 5 weekly downloads. As such, rax-canvas popularity was classified as not popular.
We found that rax-canvas demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 5 open source maintainers collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
Deno 2.2 enhances Node.js compatibility, improves dependency management, adds OpenTelemetry support, and expands linting and task automation for developers.
Security News
React's CRA deprecation announcement sparked community criticism over framework recommendations, leading to quick updates acknowledging build tools like Vite as valid alternatives.
Security News
Ransomware payment rates hit an all-time low in 2024 as law enforcement crackdowns, stronger defenses, and shifting policies make attacks riskier and less profitable.