testgfxprimitives.c

sdl的gfx开发包

  ellipseRGBA(screen, rx1[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], 255);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 for (i=0; i<NUM_RANDOM; i++) {
  ellipseRGBA(screen, rx2[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,80+(HEIGHT-80)/2,WIDTH,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  ellipseRGBA(screen, rx2[i], ry2[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw Colortest */
 SetClip(screen,0,80+(HEIGHT-80)/2,WIDTH/2,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  if (rx1[i] < (WIDTH/6))  {
   r=255; g=0; b=0; 
  } else if (rx1[i] < (WIDTH/3) ) {
   r=0; g=255; b=0; 
  } else {
   r=0; g=0; b=255; 
  }
  ellipseRGBA(screen, rx1[i], ry2[i], rr1[i], rr2[i], r, g, b, 255);
 }
}

void BenchmarkEllipse(SDL_Surface *screen)
{
 int i,j;
 int repeat;
 Uint32 time1, time2;
 char titletext[256];
 
 /* Draw A=255 */
 repeat=20;
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   ellipseRGBA(screen, rx1[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], 255);
  }
 }
 time2=SDL_GetTicks();
 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
 
 /* Draw A=various */
 repeat=5;
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   ellipseRGBA(screen, rx2[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], ra[i]);
  }
 }
 time2=SDL_GetTicks();

 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, 3*WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
}

void TestAAEllipse(SDL_Surface *screen)
{
 int i;
 char r,g,b;
 
 /* Create random points */
 srand(time(NULL));
 InitRandomPoints();
 
 /* Draw A=255 */
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 for (i=0; i<NUM_RANDOM; i++) {
  aaellipseRGBA(screen, rx1[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], 255);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 for (i=0; i<NUM_RANDOM; i++) {
  aaellipseRGBA(screen, rx2[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,80+(HEIGHT-80)/2,WIDTH,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  aaellipseRGBA(screen, rx2[i], ry2[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw Colortest */
 SetClip(screen,0,80+(HEIGHT-80)/2,WIDTH/2,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  if (rx1[i] < (WIDTH/6))  {
   r=255; g=0; b=0; 
  } else if (rx1[i] < (WIDTH/3) ) {
   r=0; g=255; b=0; 
  } else {
   r=0; g=0; b=255; 
  }
  aaellipseRGBA(screen, rx1[i], ry2[i], rr1[i], rr2[i], r, g, b, 255);
 }
}

void BenchmarkAAEllipse(SDL_Surface *screen)
{
 int i,j;
 int repeat;
 Uint32 time1, time2;
 char titletext[256];
 
 /* Draw A=255 */
 repeat=20;
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   ellipseRGBA(screen, rx1[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], 255);
  }
 }
 time2=SDL_GetTicks();
 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
 
 /* Draw A=various */
 repeat=5;
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   aaellipseRGBA(screen, rx2[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], ra[i]);
  }
 }
 time2=SDL_GetTicks();

 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, 3*WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
}

void TestFilledEllipse(SDL_Surface *screen)
{
 int i;
 char r,g,b;
 
 /* Create random points */
 srand(time(NULL));
 InitRandomPoints();
 
 /* Draw A=255 */
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 for (i=0; i<NUM_RANDOM; i++) {
  filledEllipseRGBA(screen, rx1[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], 255);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 for (i=0; i<NUM_RANDOM; i++) {
  filledEllipseRGBA(screen, rx2[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,80+(HEIGHT-80)/2,WIDTH,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  filledEllipseRGBA(screen, rx2[i], ry2[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw Colortest */
 SetClip(screen,0,80+(HEIGHT-80)/2,WIDTH/2,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  if (rx1[i] < (WIDTH/6))  {
   r=255; g=0; b=0; 
  } else if (rx1[i] < (WIDTH/3) ) {
   r=0; g=255; b=0; 
  } else {
   r=0; g=0; b=255; 
  }
  filledEllipseRGBA(screen, rx1[i], ry2[i], rr1[i], rr2[i], r, g, b, 255);
 }
}

void BenchmarkFilledEllipse(SDL_Surface *screen)
{
 int i,j;
 int repeat;
 Uint32 time1, time2;
 char titletext[256];
 
 /* Draw A=255 */
 repeat=20;
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   filledEllipseRGBA(screen, rx1[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], 255);
  }
 }
 time2=SDL_GetTicks();
 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
 
 /* Draw A=various */
 repeat=5;
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   filledEllipseRGBA(screen, rx2[i], ry1[i], rr1[i], rr2[i], rr[i], rg[i], rb[i], ra[i]);
  }
 }
 time2=SDL_GetTicks();

 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, 3*WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
}

void TestPie(SDL_Surface *screen)
{
 int i;
 char r,g,b;
 
 /* Create random points */
 srand(time(NULL));
 InitRandomPoints();
 
 /* Draw A=255 */
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 for (i=0; i<NUM_RANDOM; i++) {
  pieRGBA(screen, rx1[i], ry1[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], 255);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 for (i=0; i<NUM_RANDOM; i++) {
  pieRGBA(screen, rx2[i], ry1[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,80+(HEIGHT-80)/2,WIDTH,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  pieRGBA(screen, rx2[i], ry2[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw Colortest */
 SetClip(screen,0,80+(HEIGHT-80)/2,WIDTH/2,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  if (rx1[i] < (WIDTH/6))  {
   r=255; g=0; b=0; 
  } else if (rx1[i] < (WIDTH/3) ) {
   r=0; g=255; b=0; 
  } else {
   r=0; g=0; b=255; 
  }
  pieRGBA(screen, rx1[i], ry2[i], rr1[i], a1[i], a2[i], r, g, b, 255);
 }
}

void BenchmarkPie(SDL_Surface *screen)
{
 int i,j;
 int repeat;
 Uint32 time1, time2;
 char titletext[256];
 
 /* Draw A=255 */
 repeat=20;
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   pieRGBA(screen, rx1[i], ry1[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], 255);
  }
 }
 time2=SDL_GetTicks();
 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
 
 /* Draw A=various */
 repeat=5;
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   pieRGBA(screen, rx2[i], ry1[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], ra[i]);
  }
 }
 time2=SDL_GetTicks();

 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, 3*WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
}

void TestFilledPie(SDL_Surface *screen)
{
 int i;
 char r,g,b;
 
 /* Create random points */
 srand(time(NULL));
 InitRandomPoints();
 
 /* Draw A=255 */
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 for (i=0; i<NUM_RANDOM; i++) {
  filledPieRGBA(screen, rx1[i], ry1[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], 255);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 for (i=0; i<NUM_RANDOM; i++) {
  filledPieRGBA(screen, rx2[i], ry1[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,80+(HEIGHT-80)/2,WIDTH,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  filledPieRGBA(screen, rx2[i], ry2[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw Colortest */
 SetClip(screen,0,80+(HEIGHT-80)/2,WIDTH/2,HEIGHT);
 for (i=0; i<NUM_RANDOM; i++) {
  if (rx1[i] < (WIDTH/6))  {
   r=255; g=0; b=0; 
  } else if (rx1[i] < (WIDTH/3) ) {
   r=0; g=255; b=0; 
  } else {
   r=0; g=0; b=255; 
  }
  filledPieRGBA(screen, rx1[i], ry2[i], rr1[i], a1[i], a2[i], r, g, b, 255);
 }
}

void BenchmarkFilledPie(SDL_Surface *screen)
{
 int i,j;
 int repeat;
 Uint32 time1, time2;
 char titletext[256];
 
 /* Draw A=255 */
 repeat=20;
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   filledPieRGBA(screen, rx1[i], ry1[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], 255);
  }
 }
 time2=SDL_GetTicks();
 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
 
 /* Draw A=various */
 repeat=5;
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i++) {
   filledPieRGBA(screen, rx2[i], ry1[i], rr1[i], a1[i], a2[i], rr[i], rg[i], rb[i], ra[i]);
  }
 }
 time2=SDL_GetTicks();

 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(NUM_RANDOM*repeat)/(float)(time2-time1));
 stringRGBA (screen, 3*WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
}

void TestPolygon(SDL_Surface *screen)
{
 int i;
 char r,g,b;
 
 /* Create random points */
 srand(time(NULL));
 InitRandomPoints();
 
 /* Draw A=255 */
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 for (i=0; i<(NUM_RANDOM-3); i += 3) {
  polygonRGBA(screen, &rx1[i], &ry1[i], 3, rr[i], rg[i], rb[i], 255);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 for (i=0; i<(NUM_RANDOM-3); i += 3) {
  polygonRGBA(screen, &rx2[i], &ry1[i], 3, rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,80+(HEIGHT-80)/2,WIDTH,HEIGHT);
 for (i=0; i<(NUM_RANDOM-3); i += 3) {
  polygonRGBA(screen, &rx2[i], &ry2[i], 3, rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw Colortest */
 SetClip(screen,0,80+(HEIGHT-80)/2,WIDTH/2,HEIGHT);
 for (i=0; i<(NUM_RANDOM-3); i += 3) {
  if (rx1[i] < (WIDTH/6))  {
   r=255; g=0; b=0; 
  } else if (rx1[i] < (WIDTH/3) ) {
   r=0; g=255; b=0; 
  } else {
   r=0; g=0; b=255; 
  }
  rx1[i+1]=rx1[i]+rr1[i];
  rx1[i+2]=rx1[i];
  ry2[i+1]=ry2[i];
  ry2[i+2]=ry2[i]+rr2[i];
  polygonRGBA(screen, &rx1[i], &ry2[i], 3, r, g, b, 255);
 }
}

void BenchmarkPolygon(SDL_Surface *screen)
{
 int i,j;
 int repeat;
 Uint32 time1, time2;
 char titletext[256];

 /* Create random points */
 srand(time(NULL));
 InitRandomPoints();
 
 /* Draw A=255 */
 repeat=50;
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i += 3) {
   polygonRGBA(screen, &rx1[i], &ry1[i], 3, rr[i], rg[i], rb[i], 255);
  }
 }
 time2=SDL_GetTicks();
 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(((NUM_RANDOM-3)/3)*repeat)/(float)(time2-time1));
 stringRGBA (screen, WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
 
 /* Draw A=various */
 repeat=10;
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 time1=SDL_GetTicks();
 for (j=0; j<repeat; j++) {
  for (i=0; i<NUM_RANDOM; i += 3) {
   polygonRGBA(screen, &rx2[i], &ry1[i], 3, rr[i], rg[i], rb[i], ra[i]);
  }
 }
 time2=SDL_GetTicks();

 /* Results */
 SetClip(screen,0,0,WIDTH-1,HEIGHT-1);
 sprintf (titletext, "%.0f per sec",1000.0*(float)(((NUM_RANDOM-3)/3)*repeat)/(float)(time2-time1));
 stringRGBA (screen, 3*WIDTH/4-4*strlen(titletext),30-4,titletext,255,255,255,255);
}

void TestAAPolygon(SDL_Surface *screen)
{
 int i;
 char r,g,b;
 
 /* Create random points */
 srand(time(NULL));
 InitRandomPoints();
 
 /* Draw A=255 */
 SetClip(screen,0,60,WIDTH/2,60+(HEIGHT-80)/2);
 for (i=0; i<(NUM_RANDOM-3); i += 3) {
  aapolygonRGBA(screen, &rx1[i], &ry1[i], 3, rr[i], rg[i], rb[i], 255);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,60,WIDTH,60+(HEIGHT-80)/2);
 for (i=0; i<(NUM_RANDOM-3); i += 3) {
  aapolygonRGBA(screen, &rx2[i], &ry1[i], 3, rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw A=various */
 SetClip(screen,WIDTH/2,80+(HEIGHT-80)/2,WIDTH,HEIGHT);
 for (i=0; i<(NUM_RANDOM-3); i += 3) {
  aapolygonRGBA(screen, &rx2[i], &ry2[i], 3, rr[i], rg[i], rb[i], ra[i]);
 }

 /* Draw Colortest */
 SetClip(screen,0,80+(HEIGHT-80)/2,WIDTH/2,HEIGHT);
 for (i=0; i<(NUM_RANDOM-3); i += 3) {
  if (rx1[i] < (WIDTH/6))  {
   r=255; g=0; b=0; 
  } else if (rx1[i] < (WIDTH/3) ) {
   r=0; g=255; b=0; 
  } else {
   r=0; g=0; b=255; 
  }
  rx1[i+1]=rx1[i]+rr1[i];
  rx1[i+2]=rx1[i];
  ry2[i+1]=ry2[i];
  ry2[i+2]=ry2[i]+rr2[i];
  aapolygonRGBA(screen, &rx1[i], &ry2[i], 3, r, g, b, 255);