Berry-Dash/icons-api
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Lncvrt committed 2025-08-29 00:07:41 -07:00
commit 74cbd0e529
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src/index.ts
+146
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@@ -0,0 +1,146 @@
import path from "path";
import { createCanvas, loadImage } from "canvas";
Bun.serve({
port: 3000,
routes: {
"/icon": {
async GET(req: Bun.BunRequest) {
const url = new URL(req.url)
const urlparams = url.searchParams;
let r: null | string | number = urlparams.get("r");
let g: null | string | number = urlparams.get("g");
let b: null | string | number = urlparams.get("b");
let id: null | string | number = urlparams.get("id");
if (r == null) return Response.json({failed: true, reason: "R value not provided"}, 400);
if (g == null) return Response.json({failed: true, reason: "G value not provided"}, 400);
if (b == null) return Response.json({failed: true, reason: "B value not provided"}, 400);
if (id == null) return Response.json({failed: true, reason: "ID value not provided"}, 400);
try {
r = Number.parseInt(r);
} catch {
return Response.json({failed: true, reason: "R value is invalid"}, 400);
}
try {
g = Number.parseInt(g);
} catch {
return Response.json({failed: true, reason: "G value is invalid"}, 400);
}
try {
b = Number.parseInt(b);
} catch {
return Response.json({failed: true, reason: "B value is invalid"}, 400);
}
try {
id = Number.parseInt(id);
} catch {
return Response.json({failed: true, reason: "ID value is invalid"}, 400);
}
if (r < 0 || r > 255) return Response.json({failed: true, reason: "R value is invalid"}, 400);
if (g < 0 || g > 255) return Response.json({failed: true, reason: "G value is invalid"}, 400);
if (b < 0 || b > 255) return Response.json({failed: true, reason: "B value is invalid"}, 400);
if (id < -4 || id > 8) return Response.json({failed: true, reason: "ID value is invalid"}, 400);
const filePath = path.join(import.meta.dir, "assets/icons/bird_" + id + ".png");
const img = await loadImage(filePath);
const canvas = createCanvas(img.width, img.height);
const ctx = canvas.getContext("2d");
if (!ctx) return Response.json({failed: true, reason: "Failed process image"});
ctx.drawImage(img, 0, 0);
const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
if (!imageData) return Response.json({failed: true, reason: "Failed process image"}, 500);
const data = imageData.data;
const tint: [number, number, number] = [r / 255, g / 255, b / 255];
if (!data) return Response.json({failed: true, reason: "Failed process image"}, 500);
for (let i = 0; i < data.length; i += 4) {
const alpha = data[i + 3]! / 255
if (alpha > 0) {
data[i]! = Math.round(data[i]! * tint[0])
data[i + 1]! = Math.round(data[i + 1]! * tint[1])
data[i + 2]! = Math.round(data[i + 2]! * tint[2])
}
}
ctx.putImageData(imageData, 0, 0);
const buffer = canvas.toBuffer("image/png");
return new Response(buffer, { headers: { "Content-Type": "image/png" } });
},
},
"/overlay": {
async GET(req: Bun.BunRequest) {
const url = new URL(req.url)
const urlparams = url.searchParams;
let r: null | string | number = urlparams.get("r");
let g: null | string | number = urlparams.get("g");
let b: null | string | number = urlparams.get("b");
let id: null | string | number = urlparams.get("id");
if (r == null) return Response.json({failed: true, reason: "R value not provided"}, 400);
if (g == null) return Response.json({failed: true, reason: "G value not provided"}, 400);
if (b == null) return Response.json({failed: true, reason: "B value not provided"}, 400);
if (id == null) return Response.json({failed: true, reason: "ID value not provided"}, 400);
try {
r = Number.parseInt(r);
} catch {
return Response.json({failed: true, reason: "R value is invalid"}, 400);
}
try {
g = Number.parseInt(g);
} catch {
return Response.json({failed: true, reason: "G value is invalid"}, 400);
}
try {
b = Number.parseInt(b);
} catch {
return Response.json({failed: true, reason: "B value is invalid"}, 400);
}
try {
id = Number.parseInt(id);
} catch {
return Response.json({failed: true, reason: "ID value is invalid"}, 400);
}
if (r < 0 || r > 255) return Response.json({failed: true, reason: "R value is invalid"}, 400);
if (g < 0 || g > 255) return Response.json({failed: true, reason: "G value is invalid"}, 400);
if (b < 0 || b > 255) return Response.json({failed: true, reason: "B value is invalid"}, 400);
if (id < 1 || id > 14) return Response.json({failed: true, reason: "ID value is invalid"}, 400);
const filePath = path.join(import.meta.dir, "assets/overlays/overlay_" + id + ".png");
const img = await loadImage(filePath);
const canvas = createCanvas(img.width, img.height);
const ctx = canvas.getContext("2d");
if (!ctx) return Response.json({failed: true, reason: "Failed process image"});
ctx.drawImage(img, 0, 0);
const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
if (!imageData) return Response.json({failed: true, reason: "Failed process image"}, 500);
const data = imageData.data;
const tint: [number, number, number] = [r / 255, g / 255, b / 255];
if (!data) return Response.json({failed: true, reason: "Failed process image"}, 500);
for (let i = 0; i < data.length; i += 4) {
const alpha = data[i + 3]! / 255
if (alpha > 0) {
data[i]! = Math.round(data[i]! * tint[0])
data[i + 1]! = Math.round(data[i + 1]! * tint[1])
data[i + 2]! = Math.round(data[i + 2]! * tint[2])
}
}
ctx.putImageData(imageData, 0, 0);
const buffer = canvas.toBuffer("image/png");
return new Response(buffer, { headers: { "Content-Type": "image/png" } });
},
},
},
});