#include "graphics.h" 
#include "stdlib.h" 
#include "stdio.h" 
/* This c program is copyright by PingYuan Colege computer Mr.Li Fuke */ 

/* Please type this chars 
   void clslltp(int x1, int y1, int x2, int y2, int color1, int color2, int color3) 
   int x1 , y1   .... this cls star of x1 , y1 
   int x2 , y2   .... this cls end  of x2 , y2 
   int color1    .... this cls first color 
   int color2    .... this cls sened color 
   int color3    .... this cls terea color 

   THANK YOU FOR USE THIS PROGRAM !!! 
Mr.Li 
   97.3.31            */ 

 

void clslltp(int x1, int y1, int x2, int y2, int color1, int color2, int color3) 
{ 
int x,y,i,j; 
int maxline,minline,thistime; 
x=(x1+x2)/2-((x1+x2)%2)/2;i=x+1; 
y=(y1+y2)/2-((y1+y2)%2)/2;j=y+1; 
minline=(y2-y1)/2; 
maxline=(x2-x1)/2; 


for(thistime=0;thistime<=500;thistime++) 
{ 
delay(500); 
/** the first windows **/ 
if(thistime<=maxline) 
{ 
setcolor(color1); 
if(thistime<=minline) 
{ 
line(x,y,i,y); 
line(i,y,i,j); 
line(i,j,x,j); 
line(x,j,x,y); 
x--;y--;i++;j++; 
} 
if(thistime>minline) 
   { 
    line((x2-x1)/2+x1-thistime,y1,(x2-x1)/2+x1-thistime,y2); 
    line((x2-x1)/2+x1+thistime,y1,(x2-x1)/2+x1+thistime,y2); 
     } 
  }/* end the first windows */ 

 

  /**  the sened windows **/ 
if(thistime<=(maxline*4/3)&thistime>(maxline/3)) 
{ 
  setcolor(color2); 
  if((thistime-maxline/3)<=minline) 
{ 
line(x,y,i,y); 
line(i,y,i,j); 
line(i,j,x,j); 
line(x,j,x,y); 
x--;y--;i++;j++; 
} 
if((thistime-maxline/3)>minline) 
   { 
    line((x2-x1)/2+x1-(thistime-maxline/3),y1,(x2-x1)/2+x1-(thistime-maxline/3),y2); 
    line((x2-x1)/2+x1+(thistime-maxline/3),y1,(x2-x1)/2+x1+(thistime-maxline/3),y2); 
     } 
  }/* end the sened windows */ 
} 
} 
main() 
{ 
int a=VGA; 
int b=2; 
registerbgidriver(EGAVGA_driver); 
initgraph(&a,&b,""); 
setfillstyle(1,7); 
bar(0,0,639,479); 
clslltp(0,0,639,479,12,3,5);
printf("\n\n\n\n\n\n\n\n\n\n\n\n                                 罪犯信息管理系統                               ");
printf("\n                           作者:中央司法警官學院 趙越                           ");
getch(); 
}