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Better resize methods (#498)

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* 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
This commit is contained in:
Jake Archibald
2019-03-06 17:20:25 +00:00
committed by GitHub
parent 8c35c3cdaa
commit 9e5b66d5f4
27 changed files with 435 additions and 60 deletions
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4
src/codecs/imagequant/processor.ts
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@@ -1,12 +1,12 @@
import imagequant, { QuantizerModule } from '../../../codecs/imagequant/imagequant';
import wasmUrl from '../../../codecs/imagequant/imagequant.wasm';
import { QuantizeOptions } from './processor-meta';
import { initWasmModule } from '../util';
import { initEmscriptenModule } from '../util';
let emscriptenModule: Promise<QuantizerModule>;
export async function process(data: ImageData, opts: QuantizeOptions): Promise<ImageData> {
if (!emscriptenModule) emscriptenModule = initWasmModule(imagequant, wasmUrl);
if (!emscriptenModule) emscriptenModule = initEmscriptenModule(imagequant, wasmUrl);
const module = await emscriptenModule;