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

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• Hash : 9c398852
  Author :
  Date : 2014-11-22T22:20:40
  

  Corrected header file documentation comment.

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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;
      /*  Come up with a random rectangle */
      SDL_Rect rect;
      rect.w = randomInt(64, 128);
      rect.h = randomInt(64, 128);
      rect.x = randomInt(0, SCREEN_WIDTH);
      rect.y = randomInt(0, SCREEN_HEIGHT);
  
      /* 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[])
  {
      if (SDL_Init(SDL_INIT_VIDEO/* | SDL_INIT_AUDIO */) < 0)
      {
          printf("Unable to initialize SDL");
      }
      
      SDL_LogSetAllPriority(SDL_LOG_PRIORITY_WARN);
      SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
      SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
      
      int landscape = 1;
      int modes = SDL_GetNumDisplayModes(0);
      int sx = 0, sy = 0;
      for (int i = 0; i < modes; i++)
      {
          SDL_DisplayMode mode;
          SDL_GetDisplayMode(0, i, &mode);
          if (landscape ? mode.w > sx : mode.h > sy)
          {
              sx = mode.w;
              sy = mode.h;
          }
      }
      
      printf("picked: %d %d\n", sx, sy);
      
      SDL_Window *_sdl_window = NULL;
      SDL_GLContext _sdl_context = NULL;
      
      _sdl_window = SDL_CreateWindow("fred",
                                     0, 0,
                                     sx, sy,
                                     SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS);
      
      SDL_SetHint("SDL_HINT_ORIENTATIONS", "LandscapeLeft LandscapeRight");
      
      int ax = 0, ay = 0;
      SDL_GetWindowSize(_sdl_window, &ax, &ay);
      
      printf("given: %d %d\n", ax, ay);
  
      return 0;
  }
  

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