From cd3ca0b17ae48543d6c951f912f96794993d308f Mon Sep 17 00:00:00 2001
From: Robert DeForrest Reynolds <rldr.europa@gmail.com>
Date: Tue, 14 Oct 2025 06:22:04 -0700
Subject: [PATCH] Added colored logging using ANSI coloring

In src/raylib.h:
Added ANSI colors

In src/utils.c:
strcpy(buffer, "LOG_TYPE: ") -> printf(ANSI_CODE "LOGTYPE: ")

In examples/core_custom_logging.c:
Change the example to demonstrate using ANSI colors for custom logger
---
 examples/core/core_custom_logging.c | 17 ++++++++++-------
 src/raylib.h                        | 11 +++++++++++
 src/utils.c                         | 14 ++++++++------
 3 files changed, 29 insertions(+), 13 deletions(-)

diff --git a/examples/core/core_custom_logging.c b/examples/core/core_custom_logging.c
index 5ea2a4762..4c579e754 100644
--- a/examples/core/core_custom_logging.c
+++ b/examples/core/core_custom_logging.c
@@ -15,7 +15,7 @@
 *
 ********************************************************************************************/
 
-#include "raylib.h"
+#include "../src/raylib.h"
 
 #include <stdio.h>                  // Required for: fopen(), fclose(), fputc(), fwrite(), printf(), fprintf(), funopen()
 #include <time.h>                   // Required for: time_t, tm, time(), localtime(), strftime()
@@ -23,22 +23,25 @@
 // Custom logging function
 void CustomLog(int msgType, const char *text, va_list args)
 {
+
     char timeStr[64] = { 0 };
     time_t now = time(NULL);
     struct tm *tm_info = localtime(&now);
 
     strftime(timeStr, sizeof(timeStr), "%Y-%m-%d %H:%M:%S", tm_info);
-    printf("[%s] ", timeStr);
 
     switch (msgType)
     {
-        case LOG_INFO: printf("[INFO] : "); break;
-        case LOG_ERROR: printf("[ERROR]: "); break;
-        case LOG_WARNING: printf("[WARN] : "); break;
-        case LOG_DEBUG: printf("[DEBUG]: "); break;
+        case LOG_INFO: printf(ANSI_GREEN "[%s] [INFO] : ", timeStr); break;
+        case LOG_ERROR: printf(ANSI_YELLOW "[%s] [ERROR]: ", timeStr); break;
+        case LOG_WARNING: printf(ANSI_RED "[%s] [WARN] : ", timeStr); break;
+        case LOG_DEBUG: printf(ANSI_BLUE "[%s] [DEBUG]: ", timeStr); break;
+        case LOG_FATAL: printf(ANSI_BOLD ANSI_RED "[%s] [FATAL] : ", timeStr); break;
         default: break;
     }
 
+    printf("%s", ANSI_RESET);
+
     vprintf(text, args);
     printf("\n");
 }
@@ -54,7 +57,7 @@ int main(void)
     const int screenHeight = 450;
 
     // Set custom logger
-    SetTraceLogCallback(CustomLog);
+    // SetTraceLogCallback(CustomLog);
 
     InitWindow(screenWidth, screenHeight, "raylib [core] example - custom logging");
 
diff --git a/src/raylib.h b/src/raylib.h
index c57efc2e1..912b13d7f 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -570,6 +570,17 @@ typedef enum {
     LOG_NONE            // Disable logging
 } TraceLogLevel;
 
+// ANSI Colors
+#define ANSI_RESET   "\x1b[0m"
+#define ANSI_RED     "\x1b[31m"
+#define ANSI_GREEN   "\x1b[32m"
+#define ANSI_YELLOW  "\x1b[33m"
+#define ANSI_BLUE    "\x1b[34m"
+#define ANSI_MAGENTA "\x1b[35m"
+#define ANSI_CYAN    "\x1b[36m"
+#define ANSI_WHITE   "\x1b[37m"
+#define ANSI_BOLD    "\x1b[1m"
+
 // Keyboard keys (US keyboard layout)
 // NOTE: Use GetKeyPressed() to allow redefining
 // required keys for alternative layouts
diff --git a/src/utils.c b/src/utils.c
index 5ccbc4fa9..e87c03d43 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -133,15 +133,17 @@ void TraceLog(int logType, const char *text, ...)
 
     switch (logType)
     {
-        case LOG_TRACE: strcpy(buffer, "TRACE: "); break;
-        case LOG_DEBUG: strcpy(buffer, "DEBUG: "); break;
-        case LOG_INFO: strcpy(buffer, "INFO: "); break;
-        case LOG_WARNING: strcpy(buffer, "WARNING: "); break;
-        case LOG_ERROR: strcpy(buffer, "ERROR: "); break;
-        case LOG_FATAL: strcpy(buffer, "FATAL: "); break;
+        case LOG_TRACE:   printf(ANSI_BLUE "TRACE: "); break;
+        case LOG_DEBUG:   printf(ANSI_CYAN "DEBUG: "); break;
+        case LOG_INFO:    printf(ANSI_GREEN "INFO: "); break;
+        case LOG_WARNING: printf(ANSI_YELLOW "WARNING: "); break;
+        case LOG_ERROR:   printf(ANSI_RED "ERROR: "); break;
+        case LOG_FATAL:   printf(ANSI_BOLD ANSI_RED "FATAL: "); break;
         default: break;
     }
 
+    printf("%s", ANSI_RESET);
+
     unsigned int textSize = (unsigned int)strlen(text);
     memcpy(buffer + strlen(buffer), text, (textSize < (MAX_TRACELOG_MSG_LENGTH - 12))? textSize : (MAX_TRACELOG_MSG_LENGTH - 12));
     strcat(buffer, "\n");