/*----------------------------------------------------------------------*/
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*/
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);
}
/*----------------------------------------------------------------------*/
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*/
