Break out header file implementations to source files

src/SdlWrapper.cpp

@@ -0,0 +1,63 @@
+
+#include "SdlWrapper.h"
+
+SdlWrapper::SdlWrapper(const char *const title, const SDL_Point screenSize, const uint8_t fps) : fps(fps),
+                                                                                                 screenSize(
+                                                                                                         screenSize) {
+    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+        std::cerr << "Failed to initialize SDL: " << SDL_GetError() << std::endl;
+        exit(-1);
+    }
+    if (TTF_Init() < 0) {
+        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);
+    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);
+    SDL_RenderPresent(renderer);
+}
+
+SdlWrapper::~SdlWrapper() {
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(window);
+    SDL_FreeSurface(iconSurface);
+    SDL_QuitSubSystem(SDL_INIT_VIDEO);
+    SDL_Quit();
+}
+
+int SdlWrapper::loop() {
+    while (running) {
+        if (!handleEvents())
+            break;
+        update();
+        draw(renderer);
+        SDL_Delay(1000 / fps);
+    }
+
+    return 1;
+}