101 lines
2.9 KiB
TypeScript
101 lines
2.9 KiB
TypeScript
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {Logger} from '@app/lib/Logger';
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import initLibfluxcore, * as wasm from '@pkgs/libfluxcore/libfluxcore';
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const logger = new Logger('libfluxcore');
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let modulePromise: Promise<void> | null = null;
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async function loadModule(): Promise<void> {
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if (!modulePromise) {
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modulePromise = (async () => {
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try {
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if (typeof initLibfluxcore === 'function') {
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await initLibfluxcore();
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}
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} catch (err) {
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logger.warn('Failed to load wasm module', err);
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throw err;
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}
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})();
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}
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await modulePromise;
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}
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export async function ensureLibfluxcoreReady(): Promise<void> {
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await loadModule();
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}
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export async function detectAnimatedImage(data: Uint8Array): Promise<boolean> {
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await loadModule();
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const result = wasm.is_animated_image(data);
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return Boolean(result);
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}
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export function cropAndRotateGif(
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gif: Uint8Array,
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x: number,
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y: number,
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width: number,
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height: number,
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rotation: number,
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resizeWidth: number | null,
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resizeHeight: number | null,
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): Uint8Array {
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const result = wasm.crop_and_rotate_gif(gif, x, y, width, height, rotation, resizeWidth, resizeHeight);
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return result instanceof Uint8Array ? result : new Uint8Array(result);
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}
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export function cropAndRotateImage(
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image: Uint8Array,
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format: string,
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x: number,
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y: number,
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width: number,
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height: number,
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rotation: number,
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resizeWidth: number | null,
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resizeHeight: number | null,
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): Uint8Array {
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const result = wasm.crop_and_rotate_image(image, format, x, y, width, height, rotation, resizeWidth, resizeHeight);
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return result instanceof Uint8Array ? result : new Uint8Array(result);
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}
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export async function cropAndRotateApng(
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apng: Uint8Array,
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x: number,
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y: number,
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width: number,
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height: number,
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rotation: number,
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resizeWidth: number | null,
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resizeHeight: number | null,
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): Promise<Uint8Array> {
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await loadModule();
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const result = wasm.crop_and_rotate_apng(apng, x, y, width, height, rotation, resizeWidth, resizeHeight);
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return result instanceof Uint8Array ? result : new Uint8Array(result);
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}
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export async function decompressZstdFrame(input: Uint8Array): Promise<Uint8Array | null> {
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await loadModule();
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const result = wasm.decompress_zstd_frame(input);
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return result instanceof Uint8Array ? result : new Uint8Array(result);
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}
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