setpage.c

本程序向你展示了C语言下的图形编程

#include <graphics.h> 
#include <stdlib.h> 
#include <stdio.h> 
#include <conio.h> 

int main(void) 
{ 
int gdriver = EGA, gmode = EGAHI;
initgraph(&gdriver, &gmode, "");
setactivepage(0);
setcolor(BLUE);
circle(300,200,60);
setactivepage(1);
setcolor(RED);
circle(300,200,70);
setvisualpage(1);
getch();
setvisualpage(0);
getch();
setactivepage(1);
setcolor(WHITE);
line(300,200,500,200);
setvisualpage(1);
getch();
closegraph(); 
return 0; 
}