9e5b66d5f4
* Port resize to wasm * Expose resize algorithms * Lanczos3 working! * lol copy paste * Adding support for other resizers * Don’t track generated README * Cache wasm instance
19 lines
744 B
TypeScript
19 lines
744 B
TypeScript
import optipng, { OptiPngModule } from '../../../codecs/optipng/optipng';
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import wasmUrl from '../../../codecs/optipng/optipng.wasm';
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import { EncodeOptions } from './encoder-meta';
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import { initEmscriptenModule } from '../util';
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let emscriptenModule: Promise<OptiPngModule>;
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export async function compress(data: BufferSource, options: EncodeOptions): Promise<ArrayBuffer> {
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if (!emscriptenModule) emscriptenModule = initEmscriptenModule(optipng, wasmUrl);
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const module = await emscriptenModule;
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const resultView = module.compress(data, options);
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const result = new Uint8Array(resultView);
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module.free_result();
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// wasm can’t run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
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return result.buffer as ArrayBuffer;
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}
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