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Remove unused function isAPNG from parser.ts

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This commit is contained in:
kwaroran
2024-01-10 07:09:27 +09:00
parent 264211fdfd
commit 1f2ee464d1
2 changed files with 1 additions and 21 deletions
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3
src/ts/image.ts
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@@ -3,8 +3,7 @@ import { selectSingleFile } from "./util";
import { v4 } from "uuid"; import { v4 } from "uuid";
import { DataBase } from "./storage/database"; import { DataBase } from "./storage/database";
import { get } from "svelte/store"; import { get } from "svelte/store";
import { checkImageType, isAPNG } from "./parser"; import { checkImageType } from "./parser";
import { PngChunk } from "./pngChunk";
const inlayStorage = localforage.createInstance({ const inlayStorage = localforage.createInstance({
name: 'inlay', name: 'inlay',

19
src/ts/parser.ts
View File

@@ -253,9 +253,6 @@ export async function convertImage(data:Uint8Array) {
} }
const type = checkImageType(data) const type = checkImageType(data)
if(type !== 'Unknown' && type !== 'WEBP' && type !== 'AVIF'){ if(type !== 'Unknown' && type !== 'WEBP' && type !== 'AVIF'){
if(type === 'PNG' && isAPNG(data)){
return data
}
return await resizeAndConvert(data) return await resizeAndConvert(data)
} }
return data return data
@@ -328,22 +325,6 @@ export function checkImageType(arr:Uint8Array):ImageType {
return "Unknown"; return "Unknown";
} }
export function isAPNG(pngData: Uint8Array): boolean {
const pngSignature = [0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A];
const acTL = [0x61, 0x63, 0x54, 0x4C];
if (!pngData.slice(0, pngSignature.length).every((v, i) => v === pngSignature[i])) {
throw new Error('Invalid PNG data');
}
for (let i = pngSignature.length; i < pngData.length - 12; i += 4) {
if (pngData.slice(i + 4, i + 8).every((v, j) => v === acTL[j])) {
return true;
}
}
return false;
}
function wppParser(data:string){ function wppParser(data:string){
const lines = data.split('\n'); const lines = data.split('\n');
let characterDetails:{[key:string]:string[]} = {}; let characterDetails:{[key:string]:string[]} = {};