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Adressing smaller review comments

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Surma
2018-07-16 13:55:32 +01:00
parent b310c97044
commit b15545402a
7 changed files with 9 additions and 11 deletions
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4
src/codecs/browser-jpeg/decoder.ts
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@@ -1,4 +1,4 @@
import { canDecode, fileToBitmap } from '../../lib/util'; import { canDecodeImage, fileToBitmap } from '../../lib/util';
export const name = 'Browser JPEG Decoder'; export const name = 'Browser JPEG Decoder';
export const supportedExtensions = ['jpg', 'jpeg']; export const supportedExtensions = ['jpg', 'jpeg'];
@@ -11,5 +11,5 @@ export async function decode(file: File): Promise<ImageBitmap> {
const jpegFile = 'data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/2wBDAQMDAwQDBAgEBAgQCwkLEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBD/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAn/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFAEBAAAAAAAAAAAAAAAAAAAAAP/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AJVAA//Z'; const jpegFile = 'data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/2wBDAQMDAwQDBAgEBAgQCwkLEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBD/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAn/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFAEBAAAAAAAAAAAAAAAAAAAAAP/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AJVAA//Z';
export function isSupported(): Promise<boolean> { export function isSupported(): Promise<boolean> {
return canDecode(jpegFile); return canDecodeImage(jpegFile);
} }

4
src/codecs/browser-png/decoder.ts
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@@ -1,4 +1,4 @@
import { canDecode, fileToBitmap } from '../../lib/util'; import { canDecodeImage, fileToBitmap } from '../../lib/util';
export const name = 'Browser PNG Decoder'; export const name = 'Browser PNG Decoder';
export const supportedExtensions = ['png']; export const supportedExtensions = ['png'];
@@ -11,5 +11,5 @@ export async function decode(file: File): Promise<ImageBitmap> {
const pngFile = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQYV2NgAAIAAAUAAarVyFEAAAAASUVORK5CYII='; const pngFile = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQYV2NgAAIAAAUAAarVyFEAAAAASUVORK5CYII=';
export function isSupported(): Promise<boolean> { export function isSupported(): Promise<boolean> {
return canDecode(pngFile); return canDecodeImage(pngFile);
} }

4
src/codecs/browser-webp/decoder.ts
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@@ -1,4 +1,4 @@
import { canDecode, fileToBitmap } from '../../lib/util'; import { canDecodeImage, fileToBitmap } from '../../lib/util';
export const name = 'Browser WebP Decoder'; export const name = 'Browser WebP Decoder';
export const supportedExtensions = ['webp']; export const supportedExtensions = ['webp'];
@@ -11,5 +11,5 @@ export async function decode(file: File): Promise<ImageBitmap> {
const webpFile = 'data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAAAAAAfQ//73v/+BiOh/AAA='; const webpFile = 'data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAAAAAAfQ//73v/+BiOh/AAA=';
export function isSupported(): Promise<boolean> { export function isSupported(): Promise<boolean> {
return canDecode(webpFile); return canDecodeImage(webpFile);
} }

2
src/codecs/webp/Decoder.worker.ts
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@@ -32,7 +32,7 @@ export default class WebpDecoder {
}, },
onRuntimeInitialized() { onRuntimeInitialized() {
// An Emscripten is a then-able that, for some reason, `then()`s itself, // An Emscripten is a then-able that, for some reason, `then()`s itself,
// causing an infite loop when you wrap it in a real promise. Deleten the `then` // causing an infite loop when you wrap it in a real promise. Deleting the `then`
// prop solves this for now. // prop solves this for now.
// See: https://github.com/kripken/emscripten/blob/incoming/src/postamble.js#L129 // See: https://github.com/kripken/emscripten/blob/incoming/src/postamble.js#L129
// TODO(surma@): File a bug with Emscripten on this. // TODO(surma@): File a bug with Emscripten on this.

1
src/codecs/webp/decoder.ts
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@@ -11,6 +11,5 @@ export async function decode(file: File): Promise<ImageBitmap> {
} }
export async function isSupported(): Promise<boolean> { export async function isSupported(): Promise<boolean> {
// TODO(@surma): Should we do wasm detection here or something?
return true; return true;
} }

3
src/components/App/index.tsx
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@@ -184,7 +184,6 @@ export default class App extends Component<Props, State> {
if (!decoder) { if (!decoder) {
throw new Error('Can’t find a decoder for the given file'); throw new Error('Can’t find a decoder for the given file');
} }
console.log(`Decoding using ${decoder.name}`);
const bmp = await decoder.decode(file); const bmp = await decoder.decode(file);
// compute the corresponding ImageData once since it only changes when the file changes: // compute the corresponding ImageData once since it only changes when the file changes:
const data = await bitmapToImageData(bmp); const data = await bitmapToImageData(bmp);
@@ -251,7 +250,7 @@ export default class App extends Component<Props, State> {
loadedCounter: loadingCounter, loadedCounter: loadingCounter,
}; };
this.setState({ images }); this.setState({ images, error: '' });
} }
render({ }: Props, { loading, error, images }: State) { render({ }: Props, { loading, error, images }: State) {

2
src/lib/util.ts
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@@ -96,7 +96,7 @@ export async function canvasEncode(data: ImageData, type: string, quality?: numb
return blob; return blob;
} }
export function canDecode(data: string): Promise<boolean> { export function canDecodeImage(data: string): Promise<boolean> {
return new Promise((resolve) => { return new Promise((resolve) => {
const img = document.createElement('img'); const img = document.createElement('img');
img.src = data; img.src = data;