including light effects from different project

components/lightEffect/color.hpp

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+/**
+ * @file color.hpp
+ * @author Gustice
+ * @brief
+ *
+ * @copyright Copyright (c) 2024
+ */
+#pragma once
+
+#include <cassert>
+#include <cstdint>
+#include <cstring>
+#include <type_traits>
+
+/// No Waveform definition
+extern uint8_t const *const noWave;
+
+/**
+ * @brief   Color class
+ *
+ * @details Defines color data and common operations with color objects
+ *  \li Supports RGB with overlapping white channel (e.g. SK6812-LED)
+ *  \li Supports Operator overloading with '+' and '*' (Combined operation with MixWith)
+ *  \li Return formatted data stream that can be directly sent to an LED
+ */
+class Color {
+  private:
+    uint8_t red;
+    uint8_t green;
+    uint8_t blue;
+    uint8_t white;
+
+  public:
+    struct Rgbw {
+        uint8_t red;
+        uint8_t green;
+        uint8_t blue;
+        uint8_t white;
+    };
+
+    struct Rgb {
+        uint8_t red;
+        uint8_t green;
+        uint8_t blue;
+    };
+
+    /// @brief   Construct a new Color object
+    /// @details Default color will be Black \ref _ctBlack
+    Color(void) {
+        set(0, 0, 0, 0);
+    };
+
+    /// @brief   Copy-Construct a new Color object
+    Color(const Color & c) {
+        red = c.red;
+        green = c.green;
+        blue = c.blue;
+        white = c.white;
+    };
+
+    /// @brief   Construct a new Color object according to rgb color-channel-values
+    /// @details This constructor also takes an overlapping white channel
+    /// @param r Red channel
+    /// @param g Green channel
+    /// @param b Blue channel
+    /// @param w White channel (zero by default if not assigned)
+    Color(uint8_t r, uint8_t g, uint8_t b, uint8_t w = 0) { set(r, g, b, w); };
+
+    /// @brief Set the Color object according to rgb color-channel values
+    /// @param r Red channel
+    /// @param g Green channel
+    /// @param b Blue channel
+    /// @param w White channel (zero by default if not assigned)
+    void set(uint8_t r, uint8_t g, uint8_t b, uint8_t w = 0) {
+        red = r;
+        green = g;
+        blue = b;
+        white = w;
+    }
+
+    /// @brief Returns Color as Color_t structure
+    /// @return Color_t Color
+    template <typename T>
+    T getColor(void) const {
+        if constexpr (std::is_same<T, Rgbw>::value) {
+            return {red, green, blue, white};
+        } else if constexpr (std::is_same<T, Rgb>::value) {
+            return {red, green, blue};
+        } else {
+            throw "wrong type";
+        }
+    }
+
+    uint8_t getRed() { return red; };
+    uint8_t getGreen() { return green; };
+    uint8_t getBlue() { return blue; };
+    uint8_t getWhite() { return white; };
+
+    /// @brief Scaling and overlaying with given color.
+    /// @param c2 Color 2
+    /// @param k scaling factor
+    /// @return Overlayed Color
+    Color mixWith(const Color c2, uint8_t k = 0x7F) {
+        auto t(c2);
+        *this = (*this * (UINT8_MAX - k)) + (t * k);
+        return *this;
+    }
+
+    /// @brief Writes Color as formatted byte stream to location
+    /// @param color
+    template <typename T>
+    void writeByteStreamTo(uint8_t raw[sizeof(T)]) const {
+        if constexpr (std::is_same<T, Rgbw>::value) {
+            raw[0] = blue;
+            raw[1] = green;
+            raw[2] = red;
+            raw[3] = white;
+        } else if constexpr (std::is_same<T, Rgb>::value) {
+            raw[0] = blue;
+            raw[1] = green;
+            raw[2] = red;
+        } else {
+            throw "wrong type";
+        }
+    }
+
+    /// @brief Assign overload
+    Color operator=(const Color &c2) {
+        red = c2.red;
+        green = c2.green;
+        blue = c2.blue;
+        white = c2.white;
+        return *this;
+    }
+
+    /// @brief Checks if both color values are equal
+    bool operator==(Color const &c2) const {
+        return ((blue == c2.blue) && (green == c2.green) &&
+                (red == c2.red) && (white == c2.white));
+    }
+
+    /// @brief Checks if both color values are not equal
+    bool operator!=(Color const &c2) const {
+        return ((blue != c2.blue) || (green != c2.green) ||
+                (red != c2.red) || (white != c2.white));
+    }
+
+    /// @brief Scale color by scaling each color-channel by given factor
+    /// @param c1 Color
+    /// @param k Scale-factor uint8_t.Max is full-scale
+    /// @return Scaled Color
+    Color operator*(uint8_t k) {
+        red = (uint8_t)((uint16_t)red * k / 0xFF);
+        green = (uint8_t)((uint16_t)green * k / 0xFF);
+        blue = (uint8_t)((uint16_t)blue * k / 0xFF);
+        white = (uint8_t)((uint16_t)white * k / 0xFF);
+        return *this;
+    }
+
+    /// @brief Overlaying to colors my adding each color channel value
+    /// @note Colors channels should not overlap since there is no automatic ratio correction.
+    ///   Use *-Operator first in order to scale each color value a a way that no overflow can occur
+    /// @param c2 Color 2
+    /// @return Overlayed Color
+    Color operator+(Color c2) {
+        red = red + c2.red;
+        green = green + c2.green;
+        blue = blue + c2.blue;
+        white = white + c2.white;
+        return *this;
+    }
+};
+
+static_assert(sizeof(Color) == 4 && "Color Type is to big");
+
+/// Null color object
+extern const Color *noColor;
+/// Used old color agreement (if no color pointer)
+extern const Color *oldColor;
+
+/// Black color object constant
+extern const Color CBlack;
+/// Red color object constant
+extern const Color CRed;
+/// Green color object constant
+extern const Color CGreen;
+/// Blue color object constant
+extern const Color CBlue;
+/// Magenta color object constant
+extern const Color CMagenta;
+/// Cyan color object constant
+extern const Color CCyan;
+/// Yellow color object constant
+extern const Color CYellow;
+/// White color object constant
+extern const Color CWhite;
+/// Warm white color object constant (with higher red channel value)
+extern const Color CWarmWhite;
+/// Black color object constant (with higher green channel value)
+extern const Color CColdWhite;
+/// Black color object constant (with higher blue channel value)
+extern const Color CSpookyWhite;