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19 lines
670 B
JavaScript
19 lines
670 B
JavaScript
/**
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* Pad to the next alignment boundary
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* @param {Uint8Array} data Uint8Array data to pad
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* @param {number} alignment Alignment boundary to fulfill
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* @param {number} padCharacter Character to fill with
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* @returns {Uint8Array} Padded UInt8Array image
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*/
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export function padTo(data, alignment, padCharacter = 0xff) {
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const padMod = data.length % alignment;
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if (padMod !== 0) {
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const padding = new Uint8Array(alignment - padMod).fill(padCharacter);
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const paddedData = new Uint8Array(data.length + padding.length);
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paddedData.set(data);
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paddedData.set(padding, data.length);
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return paddedData;
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}
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return data;
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}
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