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fix(h5): getImageInfo missing path value #11598

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merged 1 commit into from
Apr 8, 2022
Merged

fix(h5): getImageInfo missing path value #11598

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17 changes: 16 additions & 1 deletion packages/taro-h5/src/api/media/image/getImageInfo.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,29 @@ export const getImageInfo: typeof Taro.getImageInfo = (options) => {
return Promise.reject(res)
}

const getBase64Image = (image: HTMLImageElement) => {
try {
const canvas = document.createElement('canvas')
canvas.width = image.width
canvas.height = image.height
const ctx = canvas.getContext('2d')
ctx?.drawImage(image, 0, 0, image.width, image.height)
return canvas.toDataURL('image/png')
} catch (e) {
console.error('getImageInfo:get base64 fail', e)
}
}

const { src, success, fail, complete } = options
const handle = new MethodHandler({ name: 'getImageInfo', success, fail, complete })
return new Promise((resolve, reject) => {
const image = new Image()
image.crossOrigin = ''
image.onload = () => {
handle.success({
width: image.naturalWidth,
height: image.naturalHeight
height: image.naturalHeight,
path: getBase64Image(image) || src
}, resolve)
}
image.onerror = (e: any) => {
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