C/Visual C - rasterop

/* Declaracion de Librerias a Utilizar*/

#include <stdio.h>

#include <conio.h>

#include <dos.h>

#include <math.h>

#include <graphics.h>

#include <alloc.h>

void main(void)

{

int imagentam;

void *imagen;

int adap=DETECT, modo;

initgraph(&adap,&modo,"C:\\tc20\\bin");

cleardevice();

setfillstyle(SLASH_FILL,5);

bar(50,50,100,100);

imagentam = imagesize(50,50,100,100);   /*se guarda la imagen*/

imagen=malloc(imagentam);

getimage(50,50,100,100,imagen);

putimage(400,50,imagen, COPY_PUT);

getch();

putimage(400,110,imagen, COPY_PUT);

getch();

free(imagen);

closegraph();

getch();

}

# include <conio.h>

# include <graphics.h>

# include <math.h>

# include <dos.h>

void inicializar(void);

void cuerpo(void);

void main(void)

{

inicializar();

cuerpo();

}

void inicializar(void)

{

int drive=DETECT,modo;

initgraph(&drive,&modo,"c:\\tc20\\bin");

}

void cuerpo()

{

double x,y;

while(!kbhit())

	{

x=-180;

	while(x<=180 && !kbhit())

	{

	y=sqrt(15000*(1-((x*x)/32400)));

	circle(x+310,240-y,20);

	delay(15000);

	x+=1;

	cleardevice();

	}

	x=180;

	while(x>=-180 && !kbhit())

	{

	y=-1*sqrt(15000*(1-((x*x)/32400)));

	circle(x+310,240-y,20);

	delay(15000);

	x-=1;

cleardevice();

	}

	}

getch();

}