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Use photon-node instead of sharp for image manipulation

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photon-node is compiled to wasm so doesn't require a node-gyp build step
This commit is contained in:
Dragory 2021-08-14 15:45:47 +03:00
parent 088b9a16b1
commit ba7ece8df7
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3 changed files with 91 additions and 877 deletions
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26
backend/src/plugins/Utility/commands/JumboCmd.ts
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@ -1,6 +1,6 @@
import { MessageAttachment } from "discord.js";
import fs from "fs";
import sharp from "sharp";
import photon from "@silvia-odwyer/photon-node";
import twemoji from "twemoji";
import { commandTypeHelpers as ct } from "../../../commandTypes";
import { sendErrorMessage } from "../../../pluginUtils";
@ -14,12 +14,24 @@ async function getBufferFromUrl(url: string): Promise<Buffer> {
return fsp.readFile(downloadedEmoji.path);
}
async function resizeBuffer(input: Buffer, width: number, height: number): Promise<Buffer> {
return sharp(input, { density: 800 })
.resize(width, height, {
fit: "inside",
})
.toBuffer();
function bufferToPhotonImage(input: Buffer): photon.PhotonImage {
const base64 = input
.toString("base64")
.replace(/^data:image\/\w+;base64,/, "");
return photon.PhotonImage.new_from_base64(base64);
}
function photonImageToBuffer(image: photon.PhotonImage): Buffer {
const base64 = image.get_base64()
.replace(/^data:image\/\w+;base64,/, "");
return Buffer.from(base64, "base64");
}
function resizeBuffer(input: Buffer, width: number, height: number): Buffer {
const photonImage = bufferToPhotonImage(input);
photon.resize(photonImage, width, height, photon.SamplingFilter.Lanczos3);
return photonImageToBuffer(photonImage);
}
const CDN_URL = "https://twemoji.maxcdn.com/2/svg";