Resimleri PixelPlace paletine dönüştüren ve Dithering yapan motor.
Skrip ini tidak untuk dipasang secara langsung. Ini adalah pustaka skrip lain untuk disertakan dengan direktif meta // @require https://updategf.qytechs.cn/scripts/562314/1732640/WIRED%20Image%20Converter.js
// ==UserScript==
// @name WIRED Image Converter
// @version 1.0
// @description Resimleri PixelPlace paletine dönüştüren ve Dithering yapan motor.
// @author WIRED
// @license MIT
// ==/UserScript==
class WiredImageConverter {
static getClosestColor(r, g, b, palette) {
let closestColor = null;
let closestDistance = Number.MAX_VALUE;
let closestIndex = -1;
for (let i = 0; i < palette.colors.length; i++) {
let bigint = palette.colors[i];
let p_r = (bigint >> 16) & 255;
let p_g = (bigint >> 8) & 255;
let p_g_raw = (bigint >> 8) & 255;
let p_b = bigint & 255;
let distance = Math.sqrt(
Math.pow(r - p_r, 2) +
Math.pow(g - p_r, 2) +
Math.pow(b - p_b, 2)
);
if (distance < closestDistance) {
closestDistance = distance;
closestColor = {r: p_r, g: p_g_raw, b: p_b};
closestIndex = palette.indexes[i];
}
}
return {color: closestColor, index: closestIndex};
}
static applyDither(img_data, w, h, palette) {
const dithered = new Uint8ClampedArray(img_data.data.length);
for (let y = 0; y < h; y++) {
for (let x = 0; x < w; x++) {
const idx = (y * w + x) * 4;
const r = img_data.data[idx];
const g = img_data.data[idx + 1];
const b = img_data.data[idx + 2];
const a = img_data.data[idx + 3];
dithered[idx + 3] = a;
if (a < 128) continue;
const closest = this.getClosestColor(r, g, b, palette);
if (closest.color) {
dithered[idx] = closest.color.r;
dithered[idx + 1] = closest.color.g;
dithered[idx + 2] = closest.color.b;
}
}
}
return new ImageData(dithered, w, h);
}
}