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added image-byte-array util

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srgooglo 2022-10-16 17:58:48 +02:00
parent 889f069012
commit ed2515a26c
1 changed files with 14 additions and 0 deletions
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14
packages/server/src/utils/image-byte-array/index.js Normal file
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export default (image, numChannels) => {
const pixels = image.data
const numPixels = image.width * image.height
const values = new Int32Array(numPixels * numChannels)
for (let i = 0; i < numPixels; i++) {
for (let channel = 0; channel < numChannels; ++channel) {
values[i * numChannels + channel] = pixels[i * 4 + channel]
}
}
return values
}