C语言函数—textmode

函数名

textheight

功 能

返回以像素为单位的字符串高度

用 法

int far textheight(char far *textstring);

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 y = 0; 
   int i; 
   char msg[80]; 

   /* initialize graphics and 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 an error code */ 
   } 

   /* draw some text on the screen */ 
   for (i=1; i<11; i++) 
   { 
      /* select the text style, direction, and size */ 
      settextstyle(TRIPLEX_FONT, HORIZ_DIR, i); 

      /* create a message string */ 
      sprintf(msg, "Size: %d", i); 

      /* output the message */ 
      outtextxy(1, y, msg); 

      /* advance to the next text line */ 
      y += textheight(msg); 
   } 

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

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