Function processWithLabDither

web/js/algorithms.js:324–329

* Algorithm: LAB + Floyd-Steinberg Dithering * - Averages blocks (same as classic) * - Builds or receives palette * - Applies FS dithering at block level using LAB color distance

(imageData, blockSize, palette)

 * - Applies FS dithering at block level using LAB color distance
 */
function processWithLabDither(imageData, blockSize, palette) {
    const { grid, rows, cols } = extractBlockGridAverage(imageData, blockSize);
    const labPalette = buildLabPalette(palette);
    floydSteinbergDither(grid, rows, cols, labPalette);
    paintBlockGrid(grid, rows, cols, imageData, blockSize);
}

/**
 * Algorithm: Tezumie Style