예제 #1
0
파일: sdldrawtest.c 프로젝트: 8l/bcpl
/*----------------------------------------------------------------------*/
int main(int argc, char *argv[])
{
  SDL_Surface *screen;
  int width, height;
  Uint8  video_bpp;
  Uint32 videoflags;
  int done;
  SDL_Event event;
  Uint32 then, now, frames;

  if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
    fprintf(stderr, "SDL_Init problem: %s", SDL_GetError());
    exit(1);
  }
  atexit(SDL_Quit);

  videoflags = SDL_SWSURFACE | SDL_ANYFORMAT;
  width = 640;
  height = 480;
  video_bpp = 0;

  while ( argc > 1 ) {
      --argc;
           if ( strcmp(argv[argc-1], "-width") == 0 ) {
      width = atoi(argv[argc]);
      --argc;
    } else if ( strcmp(argv[argc-1], "-height") == 0 ) {
      height = atoi(argv[argc]);
      --argc;
    } else if ( strcmp(argv[argc-1], "-bpp") == 0 ) {
      video_bpp = atoi(argv[argc]);
      videoflags &= ~SDL_ANYFORMAT;
      --argc;
    } else if ( strcmp(argv[argc], "-fast") == 0 ) {
      videoflags = FastestFlags(videoflags, width, height, video_bpp);
    } else if ( strcmp(argv[argc], "-hw") == 0 ) {
      videoflags ^= SDL_HWSURFACE;
    } else if ( strcmp(argv[argc], "-flip") == 0 ) {
      videoflags ^= SDL_DOUBLEBUF;
    } else if ( strcmp(argv[argc], "-fullscreen") == 0 ) {
      videoflags ^= SDL_FULLSCREEN;
    } else {
      fprintf(stderr, "Use: %s [-bpp N] [-hw] [-flip] [-fast] [-fullscreen]\n",
              argv[0]);
      exit(1);
    }
  }/*while*/

  /*Video mode activation*/
  screen = SDL_SetVideoMode(width, height, video_bpp, videoflags);
  if (!screen) {
    fprintf(stderr, "I can not activate video mode: %dx%d: %s\n",
            width, height, SDL_GetError());
    exit(2);
  }

{/*BEGIN*/
  Uint32 c_white = SDL_MapRGB(screen->format, 255,255,255);
  Uint32 c_gray = SDL_MapRGB(screen->format, 200,200,200);
  Uint32 c_dgray= SDL_MapRGB(screen->format, 64,64,64);
  Uint32 c_cyan = SDL_MapRGB(screen->format, 32,255,255);

  //SDL_Rect r = {100,300,50,50};
  //SDL_SetClipRect(screen, &r);  //Test of clipping code

  frames = 0;
  then = SDL_GetTicks();
  done = 0;
  while( !done ) {
  
  Draw_Line(screen, 100,100, 30,0, c_white);
  Draw_Line(screen, 30,0, 100,100, c_white);

  Draw_Line(screen, 100,100, 30,0, c_white);
  Draw_Line(screen, 30,0, 100,100, c_white);
  Draw_Line(screen, 0,0, 100,100, c_white);
  Draw_Line(screen, 100,100, 300,200, c_white);
  Draw_Line(screen, 200,300, 250,400,
                SDL_MapRGB(screen->format, 128,128,255));
  Draw_Line(screen, 500,50, 600,70,
                SDL_MapRGB(screen->format, 128,255,128));
  Draw_Line(screen, 500,50, 600,70,
                SDL_MapRGB(screen->format, 128,255,128));
  //Draw_Circle(screen, 100+frames%200, 100, 50, c_white);
  Draw_Circle(screen, 100+(frames/3)%200, 100+(frames/2)%173, 50,
              SDL_MapRGB(screen->format, 128+frames,255+frames,68+frames));

  /*-------------*/
  Draw_Circle(screen, 150,150, 5, c_white);
  Draw_Circle(screen, 150,150, 4,
                 SDL_MapRGB(screen->format, 64,64,64));
  Draw_Circle(screen, 150,150, 3,
                 SDL_MapRGB(screen->format, 255,0,0));
  Draw_Circle(screen, 150,150, 2,
                 SDL_MapRGB(screen->format, 0,255,0));
  Draw_Circle(screen, 150,150, 1,
                 SDL_MapRGB(screen->format, 0,0,255));
  /*-------------*/

  Draw_Line(screen, 500,100, 600,120,
                SDL_MapRGB(screen->format, 128,255,128));
  Draw_Circle(screen, 601,121, 2, c_white);

  Draw_Circle(screen, 400,200, 2, c_white);
  Draw_Line(screen, 400,200, 409,200, c_white);
  Draw_Circle(screen, 409,200, 2, c_white);
  Draw_Line(screen, 400,200, 400,250, c_white);
  Draw_Circle(screen, 400,250, 2, c_white);
  Draw_Line(screen, 409,200, 400,250, c_white);


  Draw_Line(screen, 400,300, 409,300, c_gray);
  Draw_Line(screen, 400,300, 400,350, c_gray);
  Draw_Line(screen, 409,300, 400,350, c_dgray);
  Draw_Rect(screen, 398,298, 4,4, c_cyan);
  Draw_Rect(screen, 407,298, 4,4, c_cyan);
  Draw_Rect(screen, 398,348, 4,4, c_cyan);

  Draw_HLine(screen, 10,400, 50, c_white);
  Draw_VLine(screen, 60,400, 360, c_white);
  Draw_Rect(screen, 500,400, 50,50, c_white);
  Draw_Pixel(screen, 510,410, c_white);
  Draw_Pixel(screen, 520,420,
             SDL_MapRGB(screen->format, 255,0,0));
  Draw_Pixel(screen, 530,430,
             SDL_MapRGB(screen->format, 0,255,0));
  Draw_Pixel(screen, 540,440,
             SDL_MapRGB(screen->format, 0,0,255));


  Draw_Ellipse(screen, 100,300, 60,30, c_white);
  
  Draw_FillEllipse(screen, 300,300, 30,60,
               SDL_MapRGB(screen->format, 64,64,200));
  Draw_Ellipse(screen, 300,300, 30,60,
               SDL_MapRGB(screen->format, 255,0,0));

  Draw_Round(screen, 200,20, 70,50, 10, c_white);
  Draw_Round(screen, 300,20, 70,50, 20,
             SDL_MapRGB(screen->format, 255,0,0));
  Draw_FillRound(screen, 390,20, 70,50, 20,
                 SDL_MapRGB(screen->format, 255,0,0));
  Draw_Round(screen, 390,20, 70,50, 20, c_cyan);

  /*Draw_Round(screen, 500,400, 5,3, 4, c_cyan);*/

  Draw_Rect(screen, 499,199, 52,72,
            SDL_MapRGB(screen->format, 255,255,0));
  //Draw_FillRect(screen, 500,200, 50,70,
  //              SDL_MapRGB(screen->format, 64,200,64));

  Draw_FillCircle(screen, 500,330, 30, c_cyan);

  SDL_UpdateRect(screen, 0, 0, 0, 0);



    ++frames;
    while ( SDL_PollEvent(&event) ) {
      switch (event.type) {
        case SDL_KEYDOWN:
        /*break;*/
        case SDL_QUIT:
          done = 1;
        break;
        default:
        break;
      }
    }/*while*/
  }/*while(!done)*/

}/*END*/

  now = SDL_GetTicks();
  if ( now > then ) {
    printf("%2.2f frames per second\n",
          ((double)frames*1000)/(now-then));
  }

  fprintf(stderr, "[END]\n");
  return 0;

}/*main*/
예제 #2
0
int main(int argc, char *argv[])
{
	SDL_Surface *screen;
	Uint8 *mem;
	int width, height;
	Uint8  video_bpp;
	Uint32 videoflags;
	Uint32 background;
	int    i, done;
	SDL_Event event;
	Uint32 then, now, frames;

	/* Initialize SDL */
	if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
		fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
		exit(1);
	}
	atexit(SDL_Quit);

	numsprites = NUM_SPRITES;
	videoflags = SDL_SWSURFACE|SDL_ANYFORMAT;
	width = 640;
	height = 480;
	video_bpp = 8;
	while ( argc > 1 ) {
		--argc;
		if ( strcmp(argv[argc-1], "-width") == 0 ) {
			width = atoi(argv[argc]);
			--argc;
		} else
		if ( strcmp(argv[argc-1], "-height") == 0 ) {
			height = atoi(argv[argc]);
			--argc;
		} else
		if ( strcmp(argv[argc-1], "-bpp") == 0 ) {
			video_bpp = atoi(argv[argc]);
			videoflags &= ~SDL_ANYFORMAT;
			--argc;
		} else
		if ( strcmp(argv[argc], "-fast") == 0 ) {
			videoflags = FastestFlags(videoflags);
		} else
		if ( strcmp(argv[argc], "-hw") == 0 ) {
			videoflags ^= SDL_HWSURFACE;
		} else
		if ( strcmp(argv[argc], "-flip") == 0 ) {
			videoflags ^= SDL_DOUBLEBUF;
		} else
		if ( strcmp(argv[argc], "-fullscreen") == 0 ) {
			videoflags ^= SDL_FULLSCREEN;
		} else
		if ( isdigit(argv[argc][0]) ) {
			numsprites = atoi(argv[argc]);
		} else {
			fprintf(stderr, 
	"Usage: %s [-bpp N] [-hw] [-flip] [-fast] [-fullscreen] [numsprites]\n",
								argv[0]);
			exit(1);
		}
	}

	/* Set video mode */
	screen = SDL_SetVideoMode(width, height, video_bpp, videoflags);
	if ( ! screen ) {
		fprintf(stderr, "Couldn't set %dx%d video mode: %s\n",
					width, height, SDL_GetError());
		exit(2);
	}

	/* Load the sprite */
	if ( LoadSprite(screen, "icon.bmp") < 0 ) {
		exit(1);
	}

	/* Allocate memory for the sprite info */
	mem = (Uint8 *)malloc(4*sizeof(SDL_Rect)*numsprites);
	if ( mem == NULL ) {
		SDL_FreeSurface(sprite);
		fprintf(stderr, "Out of memory!\n");
		exit(2);
	}
	sprite_rects = (SDL_Rect *)mem;
	positions = sprite_rects;
	sprite_rects += numsprites;
	velocities = sprite_rects;
	sprite_rects += numsprites;
	srand(time(NULL));
	for ( i=0; i<numsprites; ++i ) {
		positions[i].x = rand()%screen->w;
		positions[i].y = rand()%screen->h;
		positions[i].w = sprite->w;
		positions[i].h = sprite->h;
		velocities[i].x = 0;
		velocities[i].y = 0;
		while ( ! velocities[i].x && ! velocities[i].y ) {
			velocities[i].x = (rand()%(MAX_SPEED*2+1))-MAX_SPEED;
			velocities[i].y = (rand()%(MAX_SPEED*2+1))-MAX_SPEED;
		}
	}
	background = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);

	/* Print out information about our surfaces */
	printf("Screen is at %d bits per pixel\n",screen->format->BitsPerPixel);
	if ( (screen->flags & SDL_HWSURFACE) == SDL_HWSURFACE ) {
		printf("Screen is in video memory\n");
	} else {
		printf("Screen is in system memory\n");
	}
	if ( (screen->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
		printf("Screen has double-buffering enabled\n");
	}
	if ( (sprite->flags & SDL_HWSURFACE) == SDL_HWSURFACE ) {
		printf("Sprite is in video memory\n");
	} else {
		printf("Sprite is in system memory\n");
	}
	/* Run a sample blit to trigger blit acceleration */
	{ SDL_Rect dst;
		dst.x = 0;
		dst.y = 0;
		dst.w = sprite->w;
		dst.h = sprite->h;
		SDL_BlitSurface(sprite, NULL, screen, &dst);
		SDL_FillRect(screen, &dst, background);
	}
	if ( (sprite->flags & SDL_HWACCEL) == SDL_HWACCEL ) {
		printf("Sprite blit uses hardware acceleration\n");
	}
	if ( (sprite->flags & SDL_RLEACCEL) == SDL_RLEACCEL ) {
		printf("Sprite blit uses RLE acceleration\n");
	}

	/* Loop, blitting sprites and waiting for a keystroke */
	frames = 0;
	then = SDL_GetTicks();
	done = 0;
	sprites_visible = 0;
	while ( !done ) {
		/* Check for events */
		++frames;
		while ( SDL_PollEvent(&event) ) {
			switch (event.type) {
				case SDL_KEYDOWN:
					/* Any keypress quits the app... */
				case SDL_QUIT:
					done = 1;
					break;
				default:
					break;
			}
		}
		MoveSprites(screen, background);
	}
	SDL_FreeSurface(sprite);
	free(mem);

	/* Print out some timing information */
	now = SDL_GetTicks();
	if ( now > then ) {
		printf("%2.2f frames per second\n",
					((double)frames*1000)/(now-then));
	}
	return(0);
}
예제 #3
0
파일: plot.c 프로젝트: coffenbacher/EDLPlot
/*----------------------------------------------------------------------*/
int main(int argc, char *argv[])
{
  SDL_Surface *screen;
  int width, height;
  Uint8  video_bpp;
  Uint32 videoflags;
  int done;
  SDL_Event event;
  Uint32 then, now, frames;

  if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
    fprintf(stderr, "SDL_Init problem: %s", SDL_GetError());
    exit(1);
  }
  atexit(SDL_Quit);

  videoflags = SDL_SWSURFACE | SDL_ANYFORMAT;
  width = 640;
  height = 480;
  video_bpp = 0;

  while ( argc > 1 ) {
      --argc;
           if ( strcmp(argv[argc-1], "-width") == 0 ) {
      width = atoi(argv[argc]);
      --argc;
    } else if ( strcmp(argv[argc-1], "-height") == 0 ) {
      height = atoi(argv[argc]);
      --argc;
    } else if ( strcmp(argv[argc-1], "-bpp") == 0 ) {
      video_bpp = atoi(argv[argc]);
      videoflags &= ~SDL_ANYFORMAT;
      --argc;
    } else if ( strcmp(argv[argc], "-fast") == 0 ) {
      videoflags = FastestFlags(videoflags, width, height, video_bpp);
    } else if ( strcmp(argv[argc], "-hw") == 0 ) {
      videoflags ^= SDL_HWSURFACE;
    } else if ( strcmp(argv[argc], "-flip") == 0 ) {
      videoflags ^= SDL_DOUBLEBUF;
    } else if ( strcmp(argv[argc], "-fullscreen") == 0 ) {
      videoflags ^= SDL_FULLSCREEN;
    } else {
      fprintf(stderr, "Use: %s [-bpp N] [-hw] [-flip] [-fast] [-fullscreen]\n",
              argv[0]);
      exit(1);
    }
  }/*while*/

  /*Video mode activation*/
  screen = SDL_SetVideoMode(width, height, video_bpp, videoflags);
  if (!screen) {
    fprintf(stderr, "I can not activate video mode: %dx%d: %s\n",
            width, height, SDL_GetError());
    exit(2);
  }

{

  //Define Colors

  //1: White
  //2: Gray
  //3: Dark Gray
  //4: Red
  //5: Green
  //6: Blue
  Uint32 c_colors[] = {SDL_MapRGB(screen->format, 255,255,255), SDL_MapRGB(screen->format, 200,200,200),
		  SDL_MapRGB(screen->format, 64,64,64),  SDL_MapRGB(screen->format, 255,0,0),
		  SDL_MapRGB(screen->format, 0,255,0), SDL_MapRGB(screen->format, 0,0,255)};

  plotAxes(screen, c_colors, width, height, -20, 30, -20, 20);
  plotLine(screen, c_colors);

  SDL_UpdateRect(screen, 0, 0, 0, 0);

  frames = 0;
  then = SDL_GetTicks();
  done = 0;
  while( !done ) {
    ++frames;
    while ( SDL_PollEvent(&event) ) {
      switch (event.type) {
        case SDL_KEYDOWN:
        /*break;*/
        case SDL_QUIT:
          done = 1;
        break;
        default:
        break;
      }
    }/*while*/
  }/*while(!done)*/

}/*END*/

  now = SDL_GetTicks();
  if ( now > then ) {
    printf("%2.2f frames per second\n",
          ((double)frames*1000)/(now-then));
  }

  fprintf(stderr, "[END]\n");
  return 0;

}/*main*/