orden y concierto

bocm.c

@@ -1,69 +1,9 @@
 #include <SDL.h>
-#include <stdbool.h>
-
-SDL_Window*     window;
-SDL_Renderer*   renderer;
-SDL_Surface*    surface;
-SDL_Texture*    texture;
-SDL_Event       event;
-const int screenWidth = 800;
-const int screenHeight = 600;
-
-int throw_sdl_err(const char* fmt)
-{
-  SDL_LogError(
-    SDL_LOG_CATEGORY_APPLICATION,
-    fmt,
-    SDL_GetError()
-  );
-  return 3;
-}
-
-int initWindow(void){
-  if (SDL_Init(SDL_INIT_VIDEO) < 0) {
-    return throw_sdl_err("Could not init the SDL: %s");
-  }
-  if (SDL_CreateWindowAndRenderer(screenWidth, screenHeight, SDL_WINDOW_OPENGL, &window, &renderer)) {
-    return throw_sdl_err("Could not create new window and renderer: %s");
-  }
-  return 0;
-}
-
-int loadLogo(void){
-  surface = SDL_LoadBMP("imgs/bocm.bmp");
-  if (!surface) {
-    return throw_sdl_err("Could not load BMP image: %s");
-  }
-  texture = SDL_CreateTextureFromSurface(renderer, surface);
-  if (!texture) {
-    return throw_sdl_err("Could not create new texture from surface: %s");
-  }
-  SDL_FreeSurface(surface); // free a RGB surface
-  return 0;
-}
+#include "functions.c"
 
 int main(int argc, char** argv) {
-
   initWindow();
   loadLogo();
-
-  while (1) {
-    SDL_PollEvent(&event);
-    if (event.type == SDL_QUIT) {
-      break;
-    } // break the loop
-
-    SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
-    SDL_RenderClear(renderer);
-    SDL_Rect rect = {10, 10, 100, 73};
-    SDL_RenderCopy(renderer, texture, NULL, &rect);
-    SDL_RenderPresent(renderer);
-    } // window loop
-
-  SDL_DestroyTexture(texture);
-  SDL_DestroyRenderer(renderer);
-  SDL_DestroyWindow(window);
-
-  SDL_Quit();
-  return 0;
+  windowLoop();
+  destroy();
 }

functions.c

@@ -0,0 +1,76 @@
+#include <SDL.h>
+
+SDL_Window*     window;
+SDL_Renderer*   renderer;
+SDL_Surface*    surface;
+SDL_Texture*    texture;
+SDL_Event       event;
+const int screenWidth = 800;
+const int screenHeight = 600;
+
+int throw_sdl_err(const char* fmt)
+{
+  SDL_LogError(
+    SDL_LOG_CATEGORY_APPLICATION,
+    fmt,
+    SDL_GetError()
+  );
+  return 3;
+}
+
+int initWindow(void){
+  if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+    return throw_sdl_err("Could not init the SDL: %s");
+  }
+  if (SDL_CreateWindowAndRenderer(screenWidth, screenHeight, SDL_WINDOW_OPENGL, &window, &renderer)) {
+    return throw_sdl_err("Could not create new window and renderer: %s");
+  }
+  return 0;
+}
+
+int loadLogo(void){
+  surface = SDL_LoadBMP("imgs/bocm.bmp");
+  if (!surface) {
+    return throw_sdl_err("Could not load BMP image: %s");
+  }
+  texture = SDL_CreateTextureFromSurface(renderer, surface);
+  if (!texture) {
+    return throw_sdl_err("Could not create new texture from surface: %s");
+  }
+  SDL_FreeSurface(surface);
+  return 0;
+}
+
+int loadBackgroundColor(void){
+  SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
+  SDL_RenderClear(renderer);
+  return 0;
+}
+
+int presentLogo(void){
+  SDL_Rect rect = {10, 10, 100, 73};
+  SDL_RenderCopy(renderer, texture, NULL, &rect);
+  SDL_RenderPresent(renderer);
+  return 0;
+}
+
+int windowLoop(void){
+  while (1) {
+    SDL_PollEvent(&event);
+    if (event.type == SDL_QUIT) {
+      break;
+    }
+
+    loadBackgroundColor();
+    presentLogo();
+  }
+  return 0;
+}
+
+int destroy(void){
+  SDL_DestroyTexture(texture);
+  SDL_DestroyRenderer(renderer);
+  SDL_DestroyWindow(window);
+  SDL_Quit();
+  return 0;
+}