怎么样在DOS下显示汉字？

由于还有很多在上大学的朋友在使用 TC 2.0，可能没有显示汉字的方法，现在提供一种方法，不过需要字库，如有需要，给我 Email：Behard@21cn.com。

注意：我使用的是 BC3.1，可能 TC 的注释方式有点区别。

#include <string.h>
#include <ctype.h>
#include <bios.h>
#include <stdio.h>
#include <dos.h>
#include <stdlib.h>
#include <graphics.h>
#include <conio.h>
#include <io.h>
#include <alloc.h>
#include <mem.h>
#include <fcntl.h>
#include <stdarg.h>
#include <math.h>

#define BOX_COLOR 13
#define FLAG_COLOR 13
#define WAVE_COLOR 5

#define LEFT_F_X 27/* left pulse x */
#define RIGHT_F_X 255/* right pusle x */
#define LEFT_P_X 508/* left flow x */
#define RIGHT_P_X 736 /* right flow x */
#define PRN_MAX_X 956
#define PRN_MAX_Y 30
#define PRN_X 220
#define DX 20
#define DY 38
#define X_WID 16
#define Y_WID 16

FILE *hz16_handle;
int getbit_16(unsigned char c,int n);
int writec(int x,int y,int z,int color, unsigned char *p);
void writef(int x, int y, int width, int color, va_list arg_list, ...);

main()
{
intdrive=VGA;
int mode=VGAHI;
int i;

hz16_handle=fopen("hzk16.dot","rb"); file://RED
if(!hz16_handle){printf("Cant't open this file");return;}

//initgraph( &drive, &mode, "E://tc20" );
initgraph( &drive, &mode, "E://bc31//bgi" );
writef(100,8,44,BLACK+(LIGHTGRAY<<4)," 显示汉字,Test English,你好! ");
writec(100,200,40,BLACK+(LIGHTGRAY<<4)," 显示汉字,Test English,你好! ");//No English
while(!kbhit());
closegraph();
}

void writeft(va_list arg_list, ...)
{
int i=0;
for(;i<32766;i++){i++;i--;}
}

void writef(int x, int y, int width, int color, va_list arg_list, ...)
{
va_list arg_ptr;
char *format;
unsigned char output[81];
unsigned char output_save,starti;
struct textsettingstype ts;
int counter, len;
unsigned char temp;
int fc,bc,x1,y1;
int dy,dx;
union REGS inreg, outreg;
if (width>78) return ;
va_start(arg_ptr, arg_list);
format = (char far *) arg_list;
vsprintf((char *)output, format, arg_ptr);
output[width]=0;
fc=color & 0x0f;
bc=((color & 0xf0) >>4);
setfillstyle(1,bc);
x1=x+width*8-1;y1=y+Y_WID;
bar(x,y,x1,y1);
settextstyle(0,0,1);
dx=8;dy=4;
counter=0;
do {
if((temp=output[counter])>(unsigned char) 0xa0)/*chinese*/
{
starti=counter;
counter++;
do
{
temp=output[counter];counter++;
} while (temp>(unsigned char)0xa0) ;
output_save=output[--counter];
output[counter]=0;
writec(x,y,0,color,&output[starti]);
output[counter]=output_save;
x+=(counter-starti)*8;
}
else if (output[counter])/*ascii*/
{
starti=counter;
counter++;
while(output[counter] && output[counter]<(unsigned char ) 0xa0) counter++;
output_save=output[counter];
output[counter]=0;
setcolor(fc);
outtextxy(x,y+dy,(char *) output+starti);
output[counter]=output_save;
x+=(counter-starti)*dx;
}
} while(output[counter] && counter<width);
}

int writec(int x,int y,int z,int color, unsigned char *p)
{
int c1,c2,f=0;
int i1,i2,i3,rec,jj;
unsigned char i;
int len;
int fcolor,bcolor;
long l;
char by[32];
unsigned char *q;

fcolor=color & 0x0f;
bcolor=((color & 0x0f0) >>4);
len=strlen(p);
setfillstyle(1,bcolor);
bar(x,y,x+len*8+(len/2)*z,y+15);
for ( ; i= *p; p++)
{
if(i & 0x80)
{
if(f==0)
{
c1=(char)i;
f=1;
}
else
{
c2=(char)i;
f=0;
if(c1<0)
{
c1=c1+97;
c2=c2+1;
l=((c1-1)*94L+c2)*32;
/*printf("%d,%d,,",c1,c2);*/
fseek(hz16_handle,l,SEEK_SET);
fread(by,32,1,hz16_handle);
}
for(i1=0;i1<16;i1++)
{
for(i2=0;i2<2;i2++)
{
for(i3=0;i3<8;i3++)
{
if(getbit_16( (unsigned char) by[i1*2+i2],7-i3))
{
putpixel(x+i2*8+i3-1,y+i1-1,fcolor);/*printf("1");*/
}
}
}
}
x=x+16;
}
}
}
return(x);
}

int getbit_16(unsigned char c,int n)
{
return((c>>n)&1);
}