APNG图片加载器（ImageApngLoader）

ImageApngLoader 提供预加载APNG图标

示例

示例源码

import React, { useEffect, useRef, useState } from 'react'
import ReactDOM from 'react-dom'
import {
  MbImageApngLoader,
  MbMap,
  MbSymbolLayer,
  MbTiandituLayer,
} from '@mapbox-react/core'

const App = () => {
  const [mapCenter] = useState([115.124368, 29.216049])
  const [zoom, setZoom] = useState(10)

  const symbolDataSource = [
    {
      coordinates: [115.124368, 29.216049],
      properties: {
        icon: 'firefox',
      },
    },
    {
      coordinates: [115.124368, 29.246049],
      properties: {
        icon: 'firefox',
      },
    },
    {
      coordinates: [115.124368, 29.186049],
      properties: {
        icon: 'firefox',
      },
    },
    {
      coordinates: [115.324368, 29.216049],
      properties: {
        icon: 'firefox',
      },
    },
  ]

  const images = [
    {
      name: 'clock',
      size: [50, 50],
      url: 'https://mapbox-web.github.io/mapbox-react/images/clock.png',
    },
    {
      name: 'firefox',
      size: [100, 100],
      url: 'https://mapbox-web.github.io/mapbox-react/images/firefox.png',
    },
  ]

  return (
    <div className="map-wrapper">
      <MbMap center={mapCenter} zoom={zoom}>
        <MbImageApngLoader images={images} />
        <MbTiandituLayer types={['vec']} />
        <MbSymbolLayer
          data={symbolDataSource}
          iconImageField="icon"
          iconSize={0.5}
          iconAllowOverlap
          textAllowOverlap
        />
      </MbMap>
    </div>
  )
}

ReactDOM.render(<App />, document.querySelector('#root'))

API

PROPS

名称	描述	类型	默认值
images	图片属性数组 数组中每个对象需包含必需的name属性以及图片相关信息	Array<{ name: string; url: string; size?: number[]; requestInit?: RequestInit }>	-

组件使用fetch去请求图片数据，如果是跨域请求，请在服务端配置CORS头部，requestInit为fetch的第二个参数

EVENTS

名称	描述	参数
onCreated	地图初始化完成事件	-

METHODS

名称	描述	定义