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Add Function and Header File
Add Function and Header File
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‎README.md‎

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# deneyap-renk-donusturme-arduino-library
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The library contains simple functions to convert colors between different systems (RGB, HSV, HSL, temperature)
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### SDK
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List fo Functions
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```c++
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static void RgbToHsv(uint8_t r, uint8_t g, uint8_t b, double &hue, double &saturation, double &value);
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static void RgbToHsl(uint8_t red, uint8_t green, uint8_t blue, double &hue, double &saturation, double &lighting);
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static void HsvToRgb(double hue, double saturation, double value, uint8_t & red, uint8_t & green, uint8_t & blue);
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static void HslToRgb(double hue, double saturation, double lightness, uint8_t &red, uint8_t &green, uint8_t &blue);
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static void TemperatureToRgb(int kelvin, uint8_t & red, uint8_t & green, uint8_t & blue);
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static void HexToRgb(String hex, uint8_t& r, uint8_t& g, uint8_t& b);
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static void RgbToHex(uint8_t r, uint8_t g, uint8_t b, String &hex);
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```
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### Example
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This is an example.
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```c++
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#include "Deneyap_RenkDonusturme.h"
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void setup()
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{
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uint8_t red = 50;
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uint8_t green = 100;
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uint8_t blue = 150;
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double hue, saturation, lighting, value;
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ColorConverter::RgbToHsl(red, green, blue, hue, saturation, lighting);
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ColorConverter::RgbToHsv(red, green, blue, hue, saturation, value);
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ColorConverter::HslToRgb(hue, saturation, lighting, red, green, blue);
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ColorConverter::HsvToRgb(hue, saturation, lighting, red, green, blue);
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ColorConverter::TemperatureToRgb(15000, red, green, blue);
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String hex = "010509";
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ColorConverter::HexToRgb(hex, red, green, blue);
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ColorConverter::RgbToHex(red, green, blue, hex);
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}
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void loop()
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{
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}
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```
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## :bookmark_tabs:License Information
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Based on Arduino-ColorConverter Library by Luis Llamas [SORUCE](https://github.com/luisllamasbinaburo/Arduino-ColorConverter).
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Please review the [LICENSE](https://github.com/deneyapkart/deneyap-renk-donusturme-arduino-library/blob/master/LICENSE) file for license information.

‎examples/RenkDonusturme/RenkDonusturme.ino‎

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#include "Deneyap_RenkDonusturme.h"
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void setup()
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{
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uint8_t red = 50;
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uint8_t green = 100;
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uint8_t blue = 150;
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double hue, saturation, lighting, value;
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ColorConverter::RgbToHsl(red, green, blue, hue, saturation, lighting);
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ColorConverter::RgbToHsv(red, green, blue, hue, saturation, value);
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ColorConverter::HslToRgb(hue, saturation, lighting, red, green, blue);
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ColorConverter::HsvToRgb(hue, saturation, lighting, red, green, blue);
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ColorConverter::TemperatureToRgb(15000, red, green, blue);
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String hex = "010509";
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ColorConverter::HexToRgb(hex, red, green, blue);
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ColorConverter::RgbToHex(red, green, blue, hex);
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}
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void loop()
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{
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}

‎keywords.txt‎

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#######################################
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# Syntax Coloring Map ColorConverter
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#######################################
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#######################################
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# Datatypes (KEYWORD1)
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#######################################
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ColorConverter KEYWORD1
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#######################################
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# Methods and Functions (KEYWORD2)
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#######################################
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RgbToHsl KEYWORD2
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HslToRgb KEYWORD2
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RgbToHsv KEYWORD2
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HsvToRgb KEYWORD2
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TemperatureToRgb KEYWORD2
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#######################################
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# Constants (LITERAL1)
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#######################################

‎library.properties‎

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name=Deneyap Renk Donusturme
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version=1.0.0
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author=Turkish Technnology Team Foundation (T3)
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maintainer=Turkish Technnology Team Foundation (T3)
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sentence=Arduino library to change colors between different systems
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paragraph=The library contains simple functions to convert colors between different systems (RGB, HSV, HSL, temperature, HEX).
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category=Other
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url=https://github.com/deneyapkart/deneyap-renk-donusturme-arduino-library
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architectures=*

‎src/Deneyap_RenkDonusturme.cpp‎

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/*
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*****************************************************************************
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@file Deneyap_RenkDonusturme.cpp
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@mainpage Deneyap Color Converter Arduino library source file
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@maintainer RFtek Electronics <[email protected]>
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@version v1.0.0
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@date March 20, 2023
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@brief Includes functions to change colors between different systems
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Arduino library
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Library includes:
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--> Configuration functions
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--> Data manipulation functions
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*****************************************************************************
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*/
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#include "Deneyap_RenkDonusturme.h"
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void ColorConverter::RgbToHsv(uint8_t red, uint8_t green, uint8_t blue, double& hue, double& saturation, double& value)
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{
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auto rd = static_cast<double>(red) / 255;
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auto gd = static_cast<double>(green) / 255;
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auto bd = static_cast<double>(blue) / 255;
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auto max = threeway_max(rd, gd, bd), min = threeway_min(rd, gd, bd);
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value = max;
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auto d = max - min;
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saturation = max == 0 ? 0 : d / max;
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hue = 0;
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if (max != min)
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{
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if (max == rd)
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{
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hue = (gd - bd) / d + (gd < bd ? 6 : 0);
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}
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else if (max == gd)
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{
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hue = (bd - rd) / d + 2;
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}
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else if (max == bd)
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{
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hue = (rd - gd) / d + 4;
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}
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hue /= 6;
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}
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}
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void ColorConverter::RgbToHsl(uint8_t red, uint8_t green, uint8_t blue, double& hue, double& saturation, double& lighting)
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{
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auto rd = static_cast<double>(red) / 255;
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auto gd = static_cast<double>(green) / 255;
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auto bd = static_cast<double>(blue) / 255;
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auto max = threeway_max(rd, gd, bd);
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auto min = threeway_min(rd, gd, bd);
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double h, s, l = (max + min) / 2;
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if (max == min)
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{
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h = s = 0; // achromatic
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}
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else
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{
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auto d = max - min;
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s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
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if (max == rd)
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{
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h = (gd - bd) / d + (gd < bd ? 6 : 0);
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}
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else if (max == gd)
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{
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h = (bd - rd) / d + 2;
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}
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else if (max == bd)
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{
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h = (rd - gd) / d + 4;
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}
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h /= 6;
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}
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hue = h;
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saturation = s;
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lighting = l;
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}
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void ColorConverter::HsvToRgb(double hue, double saturation, double value, uint8_t& red, uint8_t& green, uint8_t& blue)
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{
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double r, g, b;
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auto i = static_cast<int>(hue * 6);
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auto f = hue * 6 - i;
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auto p = value * (1 - saturation);
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auto q = value * (1 - f * saturation);
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auto t = value * (1 - (1 - f) * saturation);
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switch (i % 6)
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{
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case 0: r = value , g = t , b = p;
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break;
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case 1: r = q , g = value , b = p;
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break;
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case 2: r = p , g = value , b = t;
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break;
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case 3: r = p , g = q , b = value;
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break;
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case 4: r = t , g = p , b = value;
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break;
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case 5: r = value , g = p , b = q;
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break;
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}
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red = static_cast<uint8_t>(r * 255);
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green = static_cast<uint8_t>(g * 255);
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blue = static_cast<uint8_t>(b * 255);
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}
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void ColorConverter::HslToRgb(double hue, double saturation, double lightness, uint8_t& red, uint8_t& green, uint8_t& blue)
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{
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double r, g, b;
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if (saturation == 0)
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{
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r = g = b = lightness; // achromatic
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}
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else
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{
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auto q = lightness < 0.5 ? lightness * (1 + saturation) : lightness + saturation - lightness * saturation;
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auto p = 2 * lightness - q;
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r = hue2rgb(p, q, hue + 1 / 3.0);
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g = hue2rgb(p, q, hue);
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b = hue2rgb(p, q, hue - 1 / 3.0);
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}
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red = static_cast<uint8_t>(r * 255);
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green = static_cast<uint8_t>(g * 255);
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blue = static_cast<uint8_t>(b * 255);
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}
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void ColorConverter::TemperatureToRgb(int kelvin, uint8_t& red, uint8_t& green, uint8_t& blue)
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{
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auto temp = kelvin / 100;
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if (temp <= 66)
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{
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red = 255;
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green = 99.4708025861 * log(temp) - 161.1195681661;
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if (temp <= 19)
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{
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blue = 0;
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}
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else
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{
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blue = 138.5177312231 * log(temp - 10) - 305.0447927307;
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}
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}
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else
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{
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red = 329.698727446 * pow(temp - 60, -0.1332047592);
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green = 288.1221695283 * pow(temp - 60, -0.0755148492);
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blue = 255;
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}
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}
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void ColorConverter::HexToRgb(String hex, uint8_t& red, uint8_t& green, uint8_t& blue)
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{
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long number;
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if(hex[0] == '#') number = strtol(&hex[1], nullptr, 16);
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else number = strtol(&hex[0], nullptr, 16);
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red = number >> 16;
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green = number >> 8 & 0xFF;
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blue = number & 0xFF;
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}
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void ColorConverter::RgbToHex(uint8_t red, uint8_t green, uint8_t blue, String &hex)
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{
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char hexArray[6] = { 0 };
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sprintf(hexArray, "%02X%02X%02X", red, green, blue);
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hex = hexArray;
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}
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double inline ColorConverter::threeway_max(double a, double b, double c)
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{
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return max(a, max(b, c));
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}
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double inline ColorConverter::threeway_min(double a, double b, double c)
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{
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return min(a, min(b, c));
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}
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double ColorConverter::hue2rgb(double p, double q, double t)
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{
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if (t < 0) t += 1;
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if (t > 1) t -= 1;
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if (t < 1 / 6.0) return p + (q - p) * 6 * t;
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if (t < 1 / 2.0) return q;
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if (t < 2 / 3.0) return p + (q - p) * (2 / 3.0 - t) * 6;
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return p;
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}

‎src/Deneyap_RenkDonusturme.h‎

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/*
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*****************************************************************************
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@file Deneyap_RenkDonusturme.cpp
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@mainpage Deneyap Color Converter Arduino library header file
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@version v1.0.0
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@date March 20, 2023
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@brief This file contains all function prototypes and macros
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for Deneyap Color Converter Arduino library
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*****************************************************************************
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*/
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#ifndef _COLOERCONVERTER_h
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#define _COLOERCONVERTER_h
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#if defined(ARDUINO) && ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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class ColorConverter
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{
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public:
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static void RgbToHsv(uint8_t r, uint8_t g, uint8_t b, double &hue, double &saturation, double &value);
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static void RgbToHsl(uint8_t red, uint8_t green, uint8_t blue, double &hue, double &saturation, double &lighting);
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static void HsvToRgb(double hue, double saturation, double value, uint8_t & red, uint8_t & green, uint8_t & blue);
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static void HslToRgb(double hue, double saturation, double lightness, uint8_t &red, uint8_t &green, uint8_t &blue);
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static void TemperatureToRgb(int kelvin, uint8_t & red, uint8_t & green, uint8_t & blue);
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static void HexToRgb(String hex, uint8_t& r, uint8_t& g, uint8_t& b);
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static void RgbToHex(uint8_t r, uint8_t g, uint8_t b, String &hex);
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private:
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static double threeway_max(double a, double b, double c);
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static double threeway_min(double a, double b, double c);
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static double hue2rgb(double p, double q, double t);
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};
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#endif

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