(async) new WHtml2png(widthopt, heightopt, scaleopt, htmlopt, optopt) → {Promise}
- Description:
呼叫Chromium轉Html為png圖
- Source:
Example
async function testa() {
let html = `
<div style="padding:10px; display:inline-block;">
<div style="background-color: rgb(255, 255, 255); border-radius: 5px; width: 600px; box-shadow:0 3px 1px -2px rgba(0,0,0,.2), 0 2px 2px 0 rgba(0,0,0,.14), 0 1px 5px 0 rgba(0,0,0,.12);">
<div style="padding: 20px; border-bottom: 1px solid rgb(221, 221, 221); background-color: rgb(250, 250, 250); border-radius: 5px 5px 0px 0px; display: flex; justify-content: flex-start; align-items: center;">
<div>
<div style="font-size: 2rem;">Panel Title</div>
</div>
</div>
<div style="border-radius: 0px;">
<div style="padding: 20px;">
Here is a panel content, Morbi mattis ullamcorper velit. Donec orci lectus, aliquam ut, faucibus non, euismod id, nulla. In ut quam vitae odio lacinia tincidunt.
</div>
</div>
<div style="padding: 20px; border-top: 1px solid rgb(221, 221, 221); background-color: rgb(250, 250, 250); border-radius: 0px 0px 5px 5px;">
Here is a panel footer
</div>
</div>
</div>
`
let width = 620
let height = 235
let scale = 3
let b64 = await WHtml2png(width, height, scale, html)
// console.log('b64', b64)
// fs.writeFileSync('./test-scla.b64', b64, 'utf8')
fs.writeFileSync('./test-scla.png', b64, { encoding: 'base64' })
console.log('finish')
}
testa()
.catch((err) => {
console.log(err)
})
Parameters:
Name | Type | Attributes | Default | Description | ||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
width |
Number |
<optional> |
700
|
輸入圖片原始寬度數字,單位px,預設700 |
||||||||||||||||||||||||||||||
height |
Number |
<optional> |
400
|
輸入圖片原始高度數字,單位px,預設400 |
||||||||||||||||||||||||||||||
scale |
Number |
<optional> |
3
|
輸入欲將圖片放大比例數字,單位px,預設3 |
||||||||||||||||||||||||||||||
html |
String |
<optional> |
''
|
輸入HTML字串,預設'' |
||||||||||||||||||||||||||||||
opt |
Object |
<optional> |
{}
|
輸入設定物件,預設{} Properties
|
Returns:
回傳Promise,resolve為回傳base64圖片,reject為錯誤訊息
- Type
- Promise