@cornerstonejs/codec-little-endian

Pure JavaScript decoder for DICOM Little Endian transfer syntaxes (1.2.840.10008.1.2, 1.2.840.10008.1.2.1, 1.2.840.10008.1.2.1.99).

Takes a pixelData byte view and reinterprets it as Uint8Array, Uint16Array, Int16Array, or Float32Array based on imageFrame.bitsAllocated and imageFrame.pixelRepresentation. No transcoding — this is metadata-driven view-casting, with realignment when byteOffset is odd.

API

import decode from "@cornerstonejs/codec-little-endian"

decode(imageFrame, pixelData)
// → mutates imageFrame.pixelData to a typed-array view
// → returns imageFrame

imageFrame.bitsAllocated must be 1, 8, 16, or 32.

Testing

pnpm run test