@ginden/blinkstick-v2/dist/utils/convert-array-of-rgb-tuples-to-bulk-set-buffer.js

Improved Blickstick API for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.convertArrayOfRgbTuplesToBulkSetBuffer = convertArrayOfRgbTuplesToBulkSetBuffer;
/**
 * Converts an array of RGB tuples to a buffer for bulk setting.
 * @param tuples
 * @param buffer
 */
function convertArrayOfRgbTuplesToBulkSetBuffer(tuples, buffer) {
    // We need to set LED data in the following format: [g0, r0, b0, g1, r1, b1...]
    for (const [index, tuple] of tuples.entries()) {
        const offset = index * 3;
        const [r, g, b] = tuple;
        // We need to write GRB format
        buffer.writeUInt8(g, offset);
        buffer.writeUInt8(r, offset + 1);
        buffer.writeUInt8(b, offset + 2);
    }
    return buffer;
}
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