lookup linux font on runtime

README.md

@@ -11,9 +11,8 @@ the following command.
 apt install cmake build-essential libsdl2-dev libsdl2-gfx-dev libsdl2-ttf-dev
 ```
 
-DejaVuSans is also expected to be in the same place as it is under compile time. You will need to make sure to compile
+DejaVuSans is also expected to be present at the default location under linux whilst Arial is under Windows and macOS. 
-for the same distro that you're using, and also have the font installed. The package under debian is
+The package under debian is called  `fonts-dejavu-core`
-called  `fonts-dejavu-core`
 
 ## Compiling
 

src/defaultfont.h

@@ -3,30 +3,35 @@
 //
 
 #pragma once
+
 #include <filesystem>
 
 
-const char* getLinuxFilePath() {
+const char *getLinuxFilePath() {
-    const char *fonts[] = {
+    const char *fonts[] = {"/usr/share/fonts/truetype/DejaVuSans-Bold.ttf", // openSUSE
-            "/usr/share/fonts/truetype/DejaVuSans-Bold.ttf", // openSUSE
                            "/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf", // Debian
                            "/usr/share/fonts/TTF/DejaVuSans-Bold.ttf", // Arch
                            "/usr/share/fonts/dejavu-sans-fonts/DejaVuSans-Bold.ttf", // Fedora
     };
-    for (const char *font : fonts)
+    for (const char *font: fonts)
         if (std::filesystem::exists(font))
             return font;
 
     return nullptr;
 }
 
+const char *getDefaultFontPath() {
 #if defined(_WIN32) || defined(_WIN64)
-const char* defaultFontPath = "C:\\Windows\\Fonts\\Arial.ttf";
+    return "C:\\Windows\\Fonts\\Arial.ttf";
 #elif defined(__linux__)
-const char *defaultFontPath = getLinuxFilePath();
+    return getLinuxFilePath();
 #elif defined(__APPLE__) || defined(__MACH__)
-const char *defaultFontPath = "/System/Library/Fonts/Supplemental/Arial.ttf";
+    return "/System/Library/Fonts/Supplemental/Arial.ttf";
 #else
-const char* defaultFontPath = nullptr;
+    return nullptr;
 #endif
+}
+
+
+
 

src/text/TextScreen.h

@@ -41,6 +41,7 @@ public:
      */
     TextScreen(const std::string &text, SDL_Point *screenSize, std::optional<SDL_Point> basePosition) : hasUpdated(
             false), screenSize(screenSize), basePosition(basePosition) {
+        const char *defaultFontPath = getDefaultFontPath();
         if (defaultFontPath == nullptr) {
             std::cerr << "Font path is not set for this platform (null)" << std::endl;
             exit(-1);