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Avoid mutating input buffer in crop preprocessor

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This commit is contained in:
Jason Miller
2021-06-03 11:16:26 -04:00
parent 8c5b4f33bf
commit 543c2e73fb
1 changed files with 2 additions and 2 deletions
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4
src/features/preprocessors/crop/worker/crop.ts
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@@ -22,7 +22,7 @@ export default async function crop(
const cols = width * 4;
const newCols = newWidth * 4;
const pixels = new Uint8ClampedArray(data.buffer, 0, newHeight * newCols);
const pixels = new Uint8ClampedArray(newHeight * newCols);
for (let y = 0; y < newHeight; y++) {
const x = left * 4;
const row = new Uint8ClampedArray(
@@ -33,5 +33,5 @@ export default async function crop(
pixels.set(row, y * newCols);
}
return new ImageData(pixels.slice(), newWidth, newHeight);
return new ImageData(pixels, newWidth, newHeight);
}