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
791 B
TypeScript
19 lines
791 B
TypeScript
import mozjpeg_enc, { MozJPEGModule } from '../../../codecs/mozjpeg_enc/mozjpeg_enc';
|
||
import wasmUrl from '../../../codecs/mozjpeg_enc/mozjpeg_enc.wasm';
|
||
import { EncodeOptions } from './encoder-meta';
|
||
import { initEmscriptenModule } from '../util';
|
||
|
||
let emscriptenModule: Promise<MozJPEGModule>;
|
||
|
||
export async function encode(data: ImageData, options: EncodeOptions): Promise<ArrayBuffer> {
|
||
if (!emscriptenModule) emscriptenModule = initEmscriptenModule(mozjpeg_enc, wasmUrl);
|
||
|
||
const module = await emscriptenModule;
|
||
const resultView = module.encode(data.data, data.width, data.height, options);
|
||
const result = new Uint8Array(resultView);
|
||
module.free_result();
|
||
|
||
// wasm can’t run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
|
||
return result.buffer as ArrayBuffer;
|
||
}
|