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Implement alpha premultiplication (#507)

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* Implement alpha premultiplication

* Add benchmark to resize

* Only display "Premultiply alpha" if it's one of the rust resize types.

* Add comment about division by zero
This commit is contained in:
Surma
2019-03-08 11:18:59 +00:00
committed by Jake Archibald
parent d29cf2ffa7
commit 45221c0b03
12 changed files with 127 additions and 35 deletions
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24
src/components/compress/index.tsx
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@@ -18,23 +18,13 @@ import * as browserTIFF from '../../codecs/browser-tiff/encoder-meta';
import * as browserJP2 from '../../codecs/browser-jp2/encoder-meta';
import * as browserBMP from '../../codecs/browser-bmp/encoder-meta';
import * as browserPDF from '../../codecs/browser-pdf/encoder-meta';
import {
EncoderState,
EncoderType,
EncoderOptions,
encoderMap,
} from '../../codecs/encoders';
import {
PreprocessorState,
defaultPreprocessorState,
} from '../../codecs/preprocessors';
import { EncoderState, EncoderType, EncoderOptions, encoderMap } from '../../codecs/encoders';
import { PreprocessorState, defaultPreprocessorState } from '../../codecs/preprocessors';
import { decodeImage } from '../../codecs/decoders';
import { cleanMerge, cleanSet } from '../../lib/clean-modify';
import Processor from '../../codecs/processor';
import {
VectorResizeOptions,
BrowserResizeOptions,
WorkerResizeOptions,
BrowserResizeOptions, isWorkerOptions as isWorkerResizeOptions,
} from '../../codecs/resize/processor-meta';
import './custom-els/MultiPanel';
import Results from '../results';
@@ -114,12 +104,12 @@ async function preprocessImage(
if (preprocessData.resize.method === 'vector' && source.vectorImage) {
result = processor.vectorResize(
source.vectorImage,
preprocessData.resize as VectorResizeOptions,
preprocessData.resize,
);
} else if (preprocessData.resize.method.startsWith('browser-')) {
result = processor.resize(result, preprocessData.resize as BrowserResizeOptions);
} else if (isWorkerResizeOptions(preprocessData.resize)) {
result = await processor.workerResize(result, preprocessData.resize);
} else {
result = await processor.workerResize(result, preprocessData.resize as WorkerResizeOptions);
result = processor.resize(result, preprocessData.resize as BrowserResizeOptions);
}
}
if (preprocessData.quantizer.enabled) {