设置填充模式和颜色

[c]代码库

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

/* the names of the fill styles supported */ 
char *fname[] = { "EMPTY_FILL", 
                  "SOLID_FILL", 
                  "LINE_FILL", 
                  "LTSLASH_FILL", 
                  "SLASH_FILL", 
                  "BKSLASH_FILL", 
                  "LTBKSLASH_FILL", 
    "HATCH_FILL", 
                  "XHATCH_FILL", 
                  "INTERLEAVE_FILL", 
                  "WIDE_DOT_FILL", 
                  "CLOSE_DOT_FILL", 
    "USER_FILL" 
                }; 

int main(void) 
{ 
   /* request auto detection */ 
   int gdriver = DETECT, gmode, errorcode; 
   int style, midx, midy; 
   char stylestr[40]; 

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

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

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

   for (style = EMPTY_FILL; style < USER_FILL; style++) 
   { 
      /* select the fill style */ 
      setfillstyle(style, getmaxcolor()); 

      /* convert style into a string */ 
      strcpy(stylestr, fname[style]); 

      /* fill a bar */ 
      bar3d(0, 0, midx-10, midy, 0, 0); 

      /* output a message */ 
      outtextxy(midx, midy, stylestr); 

      /* wait for a key */ 
      getch(); 
      cleardevice(); 
   } 

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