applyBrightnessCompression()

uint8_t applyBrightnessCompression	(	float	inputBrightnessPercent,
		uint8_t	maxBrightness,
		float	lowThreshold,
		float	highThreshold )

Definition at line 13 of file auto_brightness.cpp.

                                                        {
    float maxBrightnessPercent = (maxBrightness / 255.0f) * 100.0f;
    if (inputBrightnessPercent < lowThreshold) {
        return 255;
    } else if (inputBrightnessPercent < highThreshold) {
        float range = highThreshold - lowThreshold;
        float progress = (inputBrightnessPercent - lowThreshold) / range;
        float targetPercent =
            100.0f - (progress * (100.0f - maxBrightnessPercent));
        return static_cast<uint8_t>((targetPercent / 100.0f) * 255.0f);
    } else {
        return maxBrightness;
    }
}

Referenced by loop().

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