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Add Hq{2,3,4}x (#624)

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* Scaling works on native

* It works in wasm

* Integrate with UI

* Remove benchmark

* Integrate Hqx into Resizer module

* Link against repo for hqx

* Remove unused defaultOpts

* Re-add test file

* Adding size dropdown

* Chrome: go and sit on the naughty step

* Better docs

* Review

* Add link to crbug

* Update src/codecs/processor-worker/index.ts

Co-Authored-By: Jake Archibald <jaffathecake@gmail.com>

* Terminate worker inbetween resize jobs
This commit is contained in:
Surma
2019-06-18 12:23:22 +01:00
committed by Jake Archibald
parent 24254df7db
commit 66feffcc49
25 changed files with 539 additions and 23 deletions
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14
src/components/compress/index.tsx
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@@ -24,7 +24,7 @@ import { decodeImage } from '../../codecs/decoders';
import { cleanMerge, cleanSet } from '../../lib/clean-modify';
import Processor from '../../codecs/processor';
import {
BrowserResizeOptions, isWorkerOptions as isWorkerResizeOptions,
BrowserResizeOptions, isWorkerOptions as isWorkerResizeOptions, isHqx, WorkerResizeOptions,
} from '../../codecs/resize/processor-meta';
import './custom-els/MultiPanel';
import Results from '../results';
@@ -106,6 +106,18 @@ async function preprocessImage(
source.vectorImage,
preprocessData.resize,
);
} else if (isHqx(preprocessData.resize)) {
// Hqx can only do x2, x3 or x4.
result = await processor.workerResize(result, preprocessData.resize);
// Seems like the globals from Rust from hqx and resize are conflicting.
// For now we can fix that by terminating the worker.
// TODO: Use wasm-bindgen’s new --web target to create a proper ES6 module
// and remove this.
processor.terminateWorker();
// If the target size is not a clean x2, x3 or x4, use Catmull-Rom
// for the remaining scaling.
const pixelOpts = { ...preprocessData.resize, method: 'catrom' };
result = await processor.workerResize(result, pixelOpts as WorkerResizeOptions);
} else if (isWorkerResizeOptions(preprocessData.resize)) {
result = await processor.workerResize(result, preprocessData.resize);
} else {