Program Listing for File pixel.cpp

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/*
    Pixel.cpp - Class for controlling a single RGB LED.
*/

#include "../utility.h"
#include "colors.h"
#include "pixel.h"

namespace PixelMaestro {

    void Pixel::clear() {
        current_color_ = {0, 0, 0};

#ifndef PIXEL_DISABLE_FADING
        step_ = {0, 0, 0};

#ifdef PIXEL_ENABLE_ACCURATE_FADING
        next_color_ = {0, 0, 0};
#endif // PIXEL_ENABLE_ACCURATE_FADING
#endif // PIXEL_DISABLE_FADING
    }

    Colors::RGB& Pixel::get_color() {
        return this->current_color_;
    }

    void Pixel::set_next_color(const Colors::RGB& next_color, uint8_t step_count) {
#ifndef PIXEL_DISABLE_FADING
        step_.r = (next_color.r - current_color_.r) / step_count;
        step_.g = (next_color.g - current_color_.g) / step_count;
        step_.b = (next_color.b - current_color_.b) / step_count;

#ifdef PIXEL_ENABLE_ACCURATE_FADING
            next_color_ = next_color;
#endif // PIXEL_ENABLE_ACCURATE_FADING
#else
        current_color_ = next_color;
#endif // PIXEL_DISABLE_FADING
    }

    void Pixel::update(bool apply_next_color) {
#ifndef PIXEL_DISABLE_FADING
        current_color_.r += step_.r;
        current_color_.g += step_.g;
        current_color_.b += step_.b;

#ifdef PIXEL_ENABLE_ACCURATE_FADING
        if (apply_next_color) {
            current_color_ = next_color_;
        }
#endif // PIXEL_ENABLE_ACCURATE_FADING
#endif // PIXEL_DISABLE_FADING
    }
}