Ku6epXBOCTuK/easy-png-tools2
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style: fix formatting via prettier

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Ku6epXBOCTuK
2026-08-28 14:29:54 +05:00
parent 10278981ba
commit ada96b3534
124 changed files with 8211 additions and 5662 deletions
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web/src/lib/core/pixel-fx.ts
+25 -12
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@@ -1,7 +1,7 @@
import { hexToRgb } from './palette';
import type { PixelImage } from './types';
import { createPixelImage } from './types';
import { gaussianBlur } from './convolution';
import { hexToRgb } from "./palette";
import type { PixelImage } from "./types";
import { createPixelImage } from "./types";
import { gaussianBlur } from "./convolution";
/** Детерминированный ГПСЧ (mulberry32): одинаковый seed — одинаковый результат. */
export function mulberry32(seed: number): () => number {
@@ -59,7 +59,11 @@ export function pixelate(img: PixelImage, blockSize: number): PixelImage {
}
/** Перемешивает блоки blockSize×Blocksize между собой детерминированно по seed. */
export function shuffleBlocks(img: PixelImage, blockSize: number, seed: number): PixelImage {
export function shuffleBlocks(
img: PixelImage,
blockSize: number,
seed: number,
): PixelImage {
const bs = Math.max(1, Math.round(blockSize));
const cols = Math.ceil(img.width / bs);
const rows = Math.ceil(img.height / bs);
@@ -92,28 +96,32 @@ export function shuffleBlocks(img: PixelImage, blockSize: number, seed: number):
return out;
}
export type NoiseMode = 'mono' | 'color';
export type NoiseMode = "mono" | "color";
/** Зерно: amountPercent — сила отклонения от оригинала. Детерминировано по seed. */
export function addNoise(
img: PixelImage,
amountPercent: number,
mode: NoiseMode,
seed: number
seed: number,
): PixelImage {
const out = createPixelImage(img.width, img.height);
const amount = Math.min(Math.max(amountPercent, 0), 100) / 100;
const rng = mulberry32(seed);
for (let i = 0; i < img.data.length; i += 4) {
const shift = (rng() * 2 - 1) * amount * 255;
if (mode === 'mono') {
if (mode === "mono") {
out.data[i] = clampByte(img.data[i] + shift);
out.data[i + 1] = clampByte(img.data[i + 1] + shift);
out.data[i + 2] = clampByte(img.data[i + 2] + shift);
} else {
out.data[i] = clampByte(img.data[i] + (rng() * 2 - 1) * amount * 255);
out.data[i + 1] = clampByte(img.data[i + 1] + (rng() * 2 - 1) * amount * 255);
out.data[i + 2] = clampByte(img.data[i + 2] + (rng() * 2 - 1) * amount * 255);
out.data[i + 1] = clampByte(
img.data[i + 1] + (rng() * 2 - 1) * amount * 255,
);
out.data[i + 2] = clampByte(
img.data[i + 2] + (rng() * 2 - 1) * amount * 255,
);
}
out.data[i + 3] = img.data[i + 3];
}
@@ -160,7 +168,8 @@ export function defringe(img: PixelImage, radius: number): PixelImage {
if (Math.max(Math.abs(dx), Math.abs(dy)) !== ry) continue;
const nx = x + dx;
const ny = y + dy;
if (nx < 0 || ny < 0 || nx >= img.width || ny >= img.height) continue;
if (nx < 0 || ny < 0 || nx >= img.width || ny >= img.height)
continue;
const si = (ny * img.width + nx) * 4;
if (img.data[si + 3] !== 255) continue;
out.data[di] = img.data[si];
@@ -176,7 +185,11 @@ export function defringe(img: PixelImage, radius: number): PixelImage {
}
/** Силуэт: все видимые пиксели заливаются одним цветом, альфа сохраняется. */
export function silhouette(img: PixelImage, colorHex: string, alphaThreshold: number): PixelImage {
export function silhouette(
img: PixelImage,
colorHex: string,
alphaThreshold: number,
): PixelImage {
const out = createPixelImage(img.width, img.height);
const { r, g, b } = hexToRgb(colorHex);
for (let i = 0; i < img.data.length; i += 4) {