al_color_lch - Online Linux Manual PageSection : 3
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Source : Allegro reference manual
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NAMEal_color_lch − Allegro 5 API

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SYNOPSIS #include <allegro5/allegro_color.h> ALLEGRO_COLOR al_color_lch(float l, float c, float h)

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DESCRIPTIONReturn an ALLEGRO_COLOR(3) structure from CIE LCH values. LCH colors are very similar to HSL, with the same meaning of L and H and C corresponding to S. However LCH is more visually uniform. Furthermore, this function expects the angle for H in radians and not in degree. The CIE LCH color space is a cylindrical representation of the L*a*b* color space. The L component is the same and C and H are computed like this: C = sqrt(a * a + b * b) H = atan2(b, a)

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SINCE5.2.3

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SEE ALSOal_color_lch_to_rgb(3), al_color_rgb_to_lch(3) 0

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