Backported some utility functionality from the KeyLight project

other/build.nr

@@ -1 +1 @@
-1937
+1938

src/ostd/Color.cpp

@@ -225,4 +225,47 @@ namespace ostd
 		}
 	}
 
-} //namesoace ox
+	void Color::RGBtoHSV(float r, float g, float b, float& h, float& s, float& v)
+	{
+	    float max = std::max({r, g, b});
+	    float min = std::min({r, g, b});
+	    float d = max - min;
+
+	    v = max;
+
+	    if (max == 0)
+	    {
+	        s = 0;
+	        h = 0;
+	        return;
+	    }
+
+	    s = d / max;
+
+	    if (max == r)      h = std::fmod((g - b) / d + 6.0f, 6.0f);
+	    else if (max == g) h = (b - r) / d + 2.0f;
+	    else               h = (r - g) / d + 4.0f;
+
+	    h /= 6.0f;
+	}
+
+	void Color::HSVtoRGB(float h, float s, float v, float& r, float& g, float& b)
+	{
+	    int i = static_cast<int>(h * 6);
+	    float f = h * 6 - i;
+	    float p = v * (1 - s);
+	    float q = v * (1 - f * s);
+	    float t = v * (1 - (1 - f) * s);
+
+	    switch (i % 6)
+	    {
+	        case 0: r = v, g = t, b = p; break;
+	        case 1: r = q, g = v, b = p; break;
+	        case 2: r = p, g = v, b = t; break;
+	        case 3: r = p, g = q, b = v; break;
+	        case 4: r = t, g = p, b = v; break;
+	        case 5: r = v, g = p, b = q; break;
+	    }
+	}
+
+}

src/ostd/Color.hpp

@@ -51,6 +51,9 @@ namespace ostd
 			inline void invalidate(void) override {  }
 			inline void setValid(bool valid) override {  }
 
+			static void RGBtoHSV(float r, float g, float b, float& h, float& s, float& v);
+			static void HSVtoRGB(float h, float s, float v, float& r, float& g, float& b);
+
 		public:
 			uint8_t r;
 			uint8_t g;

src/ostd/Defines.hpp

@@ -7,6 +7,8 @@
 		#undef _WIN32_WINNT
 	#endif
 	#define _WIN32_WINNT 0x0501
+#elif defined(__APPLE__)
+	#define MAC_OS
 #else
 	#define LINUX_OS
 #endif

src/ostd/FileSystem.cpp

@@ -1,4 +1,5 @@
 #include "Utils.hpp"
+#include "Logger.hpp"
 
 namespace ostd
 {
@@ -62,16 +63,16 @@ namespace ostd
 		return list;
 	}
 
-	ostd::String Utils::getHomeDirPath(void)
+	std::filesystem::path Utils::getHomeDirPath(void)
 	{
-		ostd::String home_path = "";
-#ifdef WINDOWS_OS
-		home_path = ostd::String(getenv("HOMEDRIVE")) + "\\" + ostd::String(getenv("HOMEPATH"));
-#elif defined(LINUX_OS)
-		home_path = ostd::String(getenv("HOME"));
-#else
+		String home_path = "";
+	#ifdef WINDOWS_OS
+	    home_path = String(getenv("HOMEDRIVE")) + "\\" + String(getenv("HOMEPATH"));
+	#elif defined(LINUX_OS) || defined(MAC_OS)
+	    home_path = String(getenv("HOME"));
+	#else
 	    home_path = "NULL";
-#endif
+	#endif
 		return home_path;
 	}
 
@@ -80,4 +81,50 @@ namespace ostd
 		return std::filesystem::current_path();
 	}
 
+	bool Utils::ensureDirectory(const String& path)
+	{
+	    namespace fs = std::filesystem;
+
+	    try {
+	        fs::path dir(path);
+
+	        if (!fs::exists(dir))
+	        {
+	            if (!fs::create_directories(dir))
+	            {
+	                OX_ERROR("Failed to create directory: %s", path.c_str());
+					return false;
+	            }
+	        }
+	        else if (!fs::is_directory(dir))
+	        {
+	            OX_ERROR("Path exists but is not a directory: %s", path.c_str());
+				return false;
+	        }
+	    }
+	    catch (const fs::filesystem_error& e)
+	    {
+	        OX_ERROR("Filesystem error for path '%s': %s", path.c_str(), e.what());
+			return false;
+	    }
+		return true;
+	}
+
+	bool Utils::deleteDirectory(const String& path)
+	{
+	    namespace fs = std::filesystem;
+	    try
+	    {
+	        if (fs::exists(path) && fs::is_directory(path))
+	        {
+	            fs::remove_all(path);
+				return true;
+	        }
+	    } catch (const fs::filesystem_error& e)
+	    {
+	        OX_ERROR("Failed to delete tmp folder '%s': %s", path.c_str(), e.what());
+			return false;
+	    }
+		return false;
+	}
 }

src/ostd/Time.cpp

@@ -74,4 +74,16 @@ namespace ostd
 	{
 		return std::chrono::duration_cast<std::chrono::milliseconds> (std::chrono::system_clock::now().time_since_epoch()).count() - Utils::s_startTime_ms;
 	}
+
+	String Utils::secondsToFormattedString(int32_t totalSeconds)
+	{
+			int32_t hours   = totalSeconds / 3600;
+			int32_t minutes = (totalSeconds % 3600) / 60;
+			int32_t seconds = totalSeconds % 60;
+			String fmtstr = "";
+			fmtstr.add(String("").add(hours).addLeftPadding(2, '0')).add(":");
+			fmtstr.add(String("").add(minutes).addLeftPadding(2, '0')).add(":");
+			fmtstr.add(String("").add(seconds).addLeftPadding(2, '0'));
+			return fmtstr;
+	}
 }

src/ostd/Utils.hpp

@@ -36,6 +36,7 @@ namespace ostd
 			//Implemented in <Time.hpp>
 			static void sleep(uint32_t __time, eTimeUnits __unit = eTimeUnits::Milliseconds);
 			static uint64_t getRunningTime_ms(void);
+			static String secondsToFormattedString(int32_t totalSeconds);
 
 			//Implemented in <md5.cpp>
 			static String md5(const String& str);
@@ -47,8 +48,10 @@ namespace ostd
 			static std::vector<std::filesystem::path> listFilesInDirectoryRecursive(const String& directoryPath);
 			static std::vector<std::filesystem::path> listDirectoriesInDirectoryRecursive(const String& directoryPath);
 			static std::vector<std::filesystem::path> listDirectoryRecursive(const String& directoryPath);
-			static ostd::String getHomeDirPath(void);
+			static std::filesystem::path getHomeDirPath(void);
 			static std::filesystem::path getWorkingDirPath(void);
+			static bool ensureDirectory(const String& path);
+			static bool deleteDirectory(const String& path);
 
 			//Implemented in <ShuntingYard.cpp>
 			static int32_t solveIntegerExpression(const String& expr);