@jsquash/qoi/encode.js

Wasm Quite Ok Image Format (qoi) encoder and decoder supporting the browser. Repackaged from Squoosh App.

/**
 * Copyright 2020 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import qoi_enc from './codec/enc/qoi_enc.js';
import { initEmscriptenModule } from './utils.js';
let emscriptenModule;
export async function init(module, moduleOptionOverrides) {
    let actualModule = module;
    let actualOptions = moduleOptionOverrides;
    // If only one argument is provided and it's not a WebAssembly.Module
    if (arguments.length === 1 && !(module instanceof WebAssembly.Module)) {
        actualModule = undefined;
        actualOptions = module;
    }
    emscriptenModule = initEmscriptenModule(qoi_enc, actualModule, actualOptions);
}
export default async function encode(data) {
    if (!emscriptenModule)
        await init();
    const module = await emscriptenModule;
    const resultView = module.encode(data.data, data.width, data.height);
    // wasm can't run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
    return resultView.buffer;
}