#include "main_colour_extractor.h"

#include <math.h>

// CONSTRUCTORS
MainColourExtractor::MainColourExtractor(size_t h_levels, size_t s_levels,
	size_t l_levels)
: ColourExtractor(h_levels, s_levels, l_levels)
{
}

// PROTECTED FUNCS
size_t MainColourExtractor::evaluate_colour(struct ColourHSL hsl, double weight)
	const
{
	size_t result = 0;

	result = static_cast<size_t>(round(1000.0 * pow(weight, 0.3) *
		(hsl.s + 1.0 / m_s_levels) *
		((1.0 - fabs(2 * hsl.l - 1.0)) * (1 - 1.0 / m_l_levels) + 1.0 / m_l_levels)));

	return result;
}