Last active
November 26, 2023 07:19
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Save dimmduh/457447f5123c865679e9cb9e6230ae77 to your computer and use it in GitHub Desktop.
Скачивает фото из Вконтакте и вставляет дату в имя файла
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//Download image from vk | |
var $ = $; | |
function convertImageToBase64(imgUrl, callback) { | |
const image = new Image(); | |
image.crossOrigin='anonymous'; | |
image.onload = () => { | |
const canvas = document.createElement('canvas'); | |
const ctx = canvas.getContext('2d'); | |
canvas.height = image.naturalHeight; | |
canvas.width = image.naturalWidth; | |
ctx.drawImage(image, 0, 0); | |
const dataUrl = canvas.toDataURL(); | |
callback && callback(dataUrl) | |
} | |
image.src = imgUrl; | |
} | |
function downloadImage() { | |
var src = $('#pv_photo img').attributes.src.value; | |
var date = $('#pv_date_info span').textContent; | |
convertImageToBase64(src, (dataUrl) => { | |
var a = document.createElement("a"); | |
a.href = dataUrl; | |
a.download = "image_vk_" + date + ".png"; | |
a.click(); | |
}) | |
} | |
function createDownloadButton() { | |
var a = document.createElement("a"); | |
a.onclick = downloadImage; | |
a.innerHTML = "Скачать " | |
$('.pv_bottom_info_left').prepend(a); | |
} | |
createDownloadButton(); |
Author
dimmduh
commented
Nov 26, 2023
- Открыть любое фото
- Вставить код в консоль и Enter
- Если не закрывать окно и листать фото, то - кнопка не удалится - можно код не запускать снова.
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