Embedded window icon (cross platform)

src/SdlWrapper.h

@@ -8,12 +8,14 @@
 #include <SDL_ttf.h>
 #include <iostream>
 #include "SDL.h"
+#include "icon.h"
 
 class SdlWrapper {
 private:
     const uint8_t fps = 60;
     SDL_Window *window;
     SDL_Renderer *renderer;
+    SDL_Surface *iconSurface;
 protected:
     SDL_Point screenSize;
     bool running = true;
@@ -30,15 +32,30 @@ public:
             std::cerr << "Failed to initialize TTF: " << TTF_GetError() << std::endl;
             exit(-1);
         }
-        window = SDL_CreateWindow(
-                title,
-                SDL_WINDOWPOS_UNDEFINED,
-                SDL_WINDOWPOS_UNDEFINED,
-                screenSize.x,
-                screenSize.y,
-                0
-        );
+        window = SDL_CreateWindow(title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, screenSize.x, screenSize.y,
+                                  0);
+        if (window == nullptr) {
+            std::cerr << "Failed to create SDL_Window with error: " << SDL_GetError() << std::endl;
+            exit(-1);
+        }
         renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_SOFTWARE);
+        if (renderer == nullptr) {
+            std::cerr << "Failed to create SDL_Renderer with error: " << SDL_GetError() << std::endl;
+            exit(-1);
+        }
+
+        SDL_RWops *ops = SDL_RWFromConstMem(icon, iconLength);
+        if (ops == nullptr) {
+            std::cerr << "Failed to load from constant memory with error: " << SDL_GetError() << std::endl;
+            exit(-1);
+        }
+        iconSurface = SDL_LoadBMP_RW(ops, 1);
+        if (iconSurface == nullptr) {
+            std::cerr << "Failed to load BMP from SDL_RWops with error: " << SDL_GetError() << std::endl;
+            exit(-1);
+        }
+        SDL_SetWindowIcon(window, iconSurface);
+
 
         SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
         SDL_RenderClear(renderer);
@@ -48,6 +65,7 @@ public:
     virtual ~SdlWrapper() {
         SDL_DestroyRenderer(renderer);
         SDL_DestroyWindow(window);
+        SDL_FreeSurface(iconSurface);
         SDL_Quit();
     }
 

src/icon.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <cstddef>
+
+extern const unsigned char icon[];
+extern const size_t iconLength;