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#include "painter/color.h"
#include <math.h>
/**
* File: color.c
*
* Author:
* Pacien TRAN-GIRARD
*/
static inline ColorComponent blend_component(ColorComponent origin, ColorComponent target, TimeVector frame) {
return (ColorComponent) round(sqrt((TIME_UNIT - frame) * pow(origin, 2) + frame * pow(target, 2)));
}
bool color_equals(Color c1, Color c2) {
return c1.rgba.r == c2.rgba.r &&
c1.rgba.g == c2.rgba.g &&
c1.rgba.b == c2.rgba.b &&
c1.rgba.a == c2.rgba.a;
}
Color color_blend(Color origin, Color target, TimeVector distance) {
return (Color) {{blend_component(origin.rgba.a, target.rgba.a, distance),
blend_component(origin.rgba.b, target.rgba.b, distance),
blend_component(origin.rgba.g, target.rgba.g, distance),
blend_component(origin.rgba.r, target.rgba.r, distance)}};
}
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