kc3-lang/SDL/Xcode-iOS/Demos/src/rectangles.c

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• Hash : fb0ce375
  Author :
  Date : 2022-11-27T17:38:43
  

  Cleanup add brace (#6545) * Add braces after if conditions * More add braces after if conditions * Add braces after while() conditions * Fix compilation because of macro being modified * Add braces to for loop * Add braces after if/goto * Move comments up * Remove extra () in the 'return ...;' statements * More remove extra () in the 'return ...;' statements * More remove extra () in the 'return ...;' statements after merge * Fix inconsistent patterns are xxx == NULL vs !xxx * More "{}" for "if() break;" and "if() continue;" * More "{}" after if() short statement * More "{}" after "if () return;" statement * More fix inconsistent patterns are xxx == NULL vs !xxx * Revert some modificaion on SDL_RLEaccel.c * SDL_RLEaccel: no short statement * Cleanup 'if' where the bracket is in a new line * Cleanup 'while' where the bracket is in a new line * Cleanup 'for' where the bracket is in a new line * Cleanup 'else' where the bracket is in a new line (cherry picked from commit 6a2200823c66e53bd3cda4a25f0206b834392652 to reduce conflicts merging between SDL2 and SDL3)

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• Xcode-iOS/Demos/src/rectangles.c

• /*
   *  rectangles.c
   *  written by Holmes Futrell
   *  use however you want
  */
  
  #include "SDL.h"
  #include <time.h>
  #include "common.h"
  
  void
  render(SDL_Renderer *renderer)
  {
      Uint8 r, g, b;
      int renderW;
      int renderH;
  
      SDL_RenderGetLogicalSize(renderer, &renderW, &renderH);
  
      /*  Come up with a random rectangle */
      SDL_Rect rect;
      rect.w = randomInt(64, 128);
      rect.h = randomInt(64, 128);
      rect.x = randomInt(0, renderW);
      rect.y = randomInt(0, renderH);
  
      /* Come up with a random color */
      r = randomInt(50, 255);
      g = randomInt(50, 255);
      b = randomInt(50, 255);
  
      /*  Fill the rectangle in the color */
      SDL_SetRenderDrawColor(renderer, r, g, b, 255);
      SDL_RenderFillRect(renderer, &rect);
  
      /* update screen */
      SDL_RenderPresent(renderer);
  }
  
  int
  main(int argc, char *argv[])
  {
  
      SDL_Window *window;
      SDL_Renderer *renderer;
      int done;
      SDL_Event event;
      int windowW;
      int windowH;
  
      /* initialize SDL */
      if (SDL_Init(SDL_INIT_VIDEO) < 0) {
          fatalError("Could not initialize SDL");
      }
  
      /* seed random number generator */
      srand(time(NULL));
  
      /* create window and renderer */
      window = SDL_CreateWindow(NULL, 0, 0, 320, 480, SDL_WINDOW_ALLOW_HIGHDPI);
      if (window == NULL) {
          fatalError("Could not initialize Window");
      }
      renderer = SDL_CreateRenderer(window, -1, 0);
      if (renderer == NULL) {
          fatalError("Could not create renderer");
      }
  
      SDL_GetWindowSize(window, &windowW, &windowH);
      SDL_RenderSetLogicalSize(renderer, windowW, windowH);
  
      /* Fill screen with black */
      SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
      SDL_RenderClear(renderer);
  
      /* Enter render loop, waiting for user to quit */
      done = 0;
      while (!done) {
          while (SDL_PollEvent(&event)) {
              if (event.type == SDL_QUIT) {
                  done = 1;
              }
          }
          render(renderer);
          SDL_Delay(1);
      }
  
      /* shutdown SDL */
      SDL_Quit();
  
      return 0;
  }
  

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