C语言函数—bdos

函数名

bar3d

功 能

画一个三维条形图

用 法

void far bar3d(int left, int top, int right, int bottom,

int depth, int topflag);

程序例

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

int main(void) 
{ 
   /* request auto detection */ 
   int gdriver = DETECT, gmode, errorcode; 
   int midx, midy, i; 

   /* initialize graphics, local variables */ 
   initgraph(&gdriver, &gmode, ""); 

   /* read result of initialization */ 
   errorcode = graphresult(); 
   if (errorcode != grOk)  /* an error occurred */ 
   { 
      printf("Graphics error: %sn", grapherrormsg(errorcode)); 
      printf("Press any key to halt:"); 
      getch(); 
      exit(1); /* terminate with error code */ 
   } 

   midx = getmaxx() / 2; 
   midy = getmaxy() / 2; 

   /* loop through the fill patterns */ 
   for (i=EMPTY_FILL; i<USER_FILL; i++) 
   { 
      /* set the fill style */ 
      setfillstyle(i, getmaxcolor()); 

      /* draw the 3-d bar */ 
      bar3d(midx-50, midy-50, midx+50, midy+50, 10, 1); 

      getch(); 
   } 

   /* clean up */ 
   closegraph(); 
   return 0; 
} 
  
  
  

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