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Start integrating quantizer in the main data flow

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Surma
2018-07-30 16:51:40 +01:00
parent 5fbf6b297f
commit 2165383da4
5 changed files with 85 additions and 346 deletions
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29
src/components/App/index.tsx
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@@ -60,24 +60,28 @@ const filesize = partial({});
async function compressImage(
source: SourceImage,
quantizerOptions: quantizer.QuantizeOptions | null,
encodeData: EncoderState,
): Promise<File> {
// Special case for identity
if (encodeData.type === identity.type) return source.file;
const quantizedSource = await quantizer.quantize(source.data);
let sourceData = source.data;
if (quantizerOptions) {
sourceData = await quantizer.quantize(sourceData, quantizerOptions);
}
const compressedData = await (() => {
switch (encodeData.type) {
case mozJPEG.type: return mozJPEG.encode(quantizedSource, encodeData.options);
case webP.type: return webP.encode(quantizedSource, encodeData.options);
case browserPNG.type: return browserPNG.encode(quantizedSource, encodeData.options);
case browserJPEG.type: return browserJPEG.encode(quantizedSource, encodeData.options);
case browserWebP.type: return browserWebP.encode(quantizedSource, encodeData.options);
case browserGIF.type: return browserGIF.encode(quantizedSource, encodeData.options);
case browserTIFF.type: return browserTIFF.encode(quantizedSource, encodeData.options);
case browserJP2.type: return browserJP2.encode(quantizedSource, encodeData.options);
case browserBMP.type: return browserBMP.encode(quantizedSource, encodeData.options);
case browserPDF.type: return browserPDF.encode(quantizedSource, encodeData.options);
case mozJPEG.type: return mozJPEG.encode(sourceData, encodeData.options);
case webP.type: return webP.encode(sourceData, encodeData.options);
case browserPNG.type: return browserPNG.encode(sourceData, encodeData.options);
case browserJPEG.type: return browserJPEG.encode(sourceData, encodeData.options);
case browserWebP.type: return browserWebP.encode(sourceData, encodeData.options);
case browserGIF.type: return browserGIF.encode(sourceData, encodeData.options);
case browserTIFF.type: return browserTIFF.encode(sourceData, encodeData.options);
case browserJP2.type: return browserJP2.encode(sourceData, encodeData.options);
case browserBMP.type: return browserBMP.encode(sourceData, encodeData.options);
case browserPDF.type: return browserPDF.encode(sourceData, encodeData.options);
default: throw Error(`Unexpected encoder ${JSON.stringify(encodeData)}`);
}
})();
@@ -216,7 +220,8 @@ export default class App extends Component<Props, State> {
let file;
try {
file = await compressImage(source, image.encoderState);
// FIXME (@surma): Somehow show a options window and get the values from there.
file = await compressImage(source, { maxNumColors: 8, dither: 0.5 }, image.encoderState);
} catch (err) {
this.setState({ error: `Encoding error (type=${image.encoderState.type}): ${err}` });
throw err;