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/morphology.ts
+40 -10
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@@ -1,5 +1,5 @@
import { parseHex } from './alpha';
import { clonePixelImage, createPixelImage, type PixelImage } from './types';
import { parseHex } from "./alpha";
import { clonePixelImage, createPixelImage, type PixelImage } from "./types";
type Mask = Uint8Array;
@@ -25,7 +25,12 @@ export function buildAlphaMask(img: PixelImage): Mask {
return mask;
}
export function dilateMask(mask: Mask, width: number, height: number, radius: number): Mask {
export function dilateMask(
mask: Mask,
width: number,
height: number,
radius: number,
): Mask {
const r = Math.trunc(radius);
if (r < 1) return mask.slice();
const out = new Uint8Array(mask.length);
@@ -48,7 +53,12 @@ export function dilateMask(mask: Mask, width: number, height: number, radius: nu
return out;
}
export function erodeMask(mask: Mask, width: number, height: number, radius: number): Mask {
export function erodeMask(
mask: Mask,
width: number,
height: number,
radius: number,
): Mask {
const r = Math.trunc(radius);
if (r < 1) return mask.slice();
const out = new Uint8Array(mask.length);
@@ -89,18 +99,24 @@ export function applyMaskAlpha(img: PixelImage, mask: Mask): PixelImage {
export function dilateImage(img: PixelImage, radiusPx: number): PixelImage {
if (radiusPx < 1) return clonePixelImage(img);
return applyMaskAlpha(img, dilateMask(buildAlphaMask(img), img.width, img.height, radiusPx));
return applyMaskAlpha(
img,
dilateMask(buildAlphaMask(img), img.width, img.height, radiusPx),
);
}
export function erodeImage(img: PixelImage, radiusPx: number): PixelImage {
if (radiusPx < 1) return clonePixelImage(img);
return applyMaskAlpha(img, erodeMask(buildAlphaMask(img), img.width, img.height, radiusPx));
return applyMaskAlpha(
img,
erodeMask(buildAlphaMask(img), img.width, img.height, radiusPx),
);
}
export function strokeImage(
img: PixelImage,
radiusPx: number,
colorHex: string
colorHex: string,
): PixelImage {
const r = Math.trunc(radiusPx);
if (r < 1) return clonePixelImage(img);
@@ -125,7 +141,11 @@ export function strokeImage(
return out;
}
export function contourImage(img: PixelImage, radiusPx: number, colorHex: string): PixelImage {
export function contourImage(
img: PixelImage,
radiusPx: number,
colorHex: string,
): PixelImage {
const r = Math.max(1, Math.trunc(radiusPx));
const [cr, cg, cb] = parseHex(colorHex);
const mask = buildAlphaMask(img);
@@ -147,11 +167,21 @@ export function contourImage(img: PixelImage, radiusPx: number, colorHex: string
return out;
}
export function openingMask(mask: Mask, w: number, h: number, radius: number): Mask {
export function openingMask(
mask: Mask,
w: number,
h: number,
radius: number,
): Mask {
return dilateMask(erodeMask(mask, w, h, radius), w, h, radius);
}
export function closingMask(mask: Mask, w: number, h: number, radius: number): Mask {
export function closingMask(
mask: Mask,
w: number,
h: number,
radius: number,
): Mask {
return erodeMask(dilateMask(mask, w, h, radius), w, h, radius);
}