Method showPixels

tests/fl/chipsets/ucs7604.cpp:154–162

Made public for testing with UCS7604Controller which uses composition

    // Made public for testing with UCS7604Controller which uses composition
    virtual void showPixels(PixelController<RGB_ORDER>& pixels) override {
        // Capture raw RGB bytes without any RGBW processing
        // UCS7604Controller already handles RGBW conversion internally
        capturedBytes.clear();
        PixelController<RGB> pixels_rgb = pixels;
        pixels_rgb.disableColorAdjustment();
        auto iterator = pixels_rgb.as_iterator(RgbwInvalid());
        iterator.writeWS2812(&capturedBytes);
    }
};

/// Test wrapper that exposes protected showPixels method and provides access to captured bytes