66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
#include "complimentary_colour_extractor.h"
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#include <math.h>
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// CONSTRUCTORS
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ComplimentaryColourExtractor::ComplimentaryColourExtractor(struct ColourHSL hsl,
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size_t h_levels, size_t s_levels, size_t v_levels)
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:ColourExtractor(h_levels, s_levels, v_levels), m_main_colour(hsl)
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{
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}
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// PROTECTED FUNCS
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size_t ComplimentaryColourExtractor::evaluate_colour(struct ColourHSL hsl,
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double weight) const
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{
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size_t result = 0;
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double angle_delta;
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// double additional_colour_weight;
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// if ((0.0 == hsl.s) || (0.0 == m_main_colour.s))
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// {
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// angle_delta = 180.0;
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// additional_colour_weight = 0.5;
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// }
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// else
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// {
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// additional_colour_weight = 1.0;
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// /* SECTION BEGIN */
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// angle_delta = fabs(hsl.h - m_main_colour.h);
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// if (angle_delta > 180.0F)
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// {
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// angle_delta = 360.0F - angle_delta;
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// }
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// /* SECTION END */
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// }
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angle_delta = fabs(hsl.h - m_main_colour.h);
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if (angle_delta > 180.0F)
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{
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angle_delta = 360.0F - angle_delta;
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}
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// result = static_cast<size_t>(round(1000.0 * pow(weight, 0.3) * hsv.v *
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// fmin(1.0, hsv.v + hsv.s) * additional_colour_weight * angle_delta));
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// result = static_cast<size_t>(round(1000.0 * pow(weight, 0.3) * hsl.l *
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// additional_colour_weight * angle_delta));
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result = static_cast<size_t>(round(1000.0 * pow(weight, 0.3) *
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((1.0 - fabs(2 * hsl.l - 1.0)) * (1 - 1.0 / m_l_levels) + 1.0 / m_l_levels) *
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angle_delta));
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return result;
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}
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// PUBLIC FUNCS
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struct ColourHSL ComplimentaryColourExtractor::get_main_colour() const
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{
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return m_main_colour;
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}
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void ComplimentaryColourExtractor::set_main_colour(struct ColourHSL hsl)
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{
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m_main_colour = hsl;
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}
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