# include "graphics.h" # include "stdio.h" # include "fcntl.h" # include "stdlib.h" main()

void save(),load(); void *wg,*rg,*vg,*fy; int driver,mode; int c=RED; int x=320,y=225; int x1,y1,x2,y2; int k,k1,k2; /* initialize grapher */ detectgraph(&driver,&mode); initgraph(&driver,&mode,"c:\tc");

/* write the pen */ bar(200,10,206,16); line(203,7,200,10); line(203,7,206,10); line(243,7,240,16); line(243,7,246,16); line(283,7,280,10); line(283,7,286,10); line(283,7,283,16);

/* save the pen */ wg=malloc(imagesize(200,7,206,16)); rg=malloc(imagesize(240,7,246,16)); vg=malloc(imagesize(280,7,286,16)); fy=malloc(imagesize(200,7,206,16));

getimage(200,7,206,16,wg); getimage(240,7,246,16,rg); getimage(280,7,286,16,vg); cleardevice();

/* write the box */ setcolor(YELLOW); rectangle(4,19,637,447);

x1=x-3; y1=y+1; x2=x+3; y2=y+10; getimage(x1,y1,x2,y2,fy); putimage(x1,y1,vg,XOR_PUT);

/* receive the command */ for (;;) while (bioskey(1)==0); k=bioskey(0); putimage(x1,y1,fy,AND_PUT); if (((k&0x00ff)|0x00)==0) k1=k&0xff?0:k>>8; /* k1 is the specialkey value */ else k2=k&0x00ff; /* k2 is the non-specialkey value */ if (((k&0x00ff)|0x00)==0) /* Special key */ switch(k1) case 45: restorecrtmode(); exit(0); case 72: if (y>20) y=y-1; break; case 75: if (x>5) x=x-1; break; case 77: if (x<636) x=x+1; break; case 80: if (y<446) y=y+1; break; case 71: if ((x>5)&&(y>20)) x=x-1; y=y-1; break; case 79: if ((x>5)&&(y<446)) x=x-1; y=y+1; break; case 73: if ((x<636)&&(y>20)) x=x+1; y=y-1; break; case 81: if ((x<636)&&(y<446)) x=x+1; y=y+1; break;

x1=x-3; y1=y+1; x2=x+3; y2=y+10; getimage(x1,y1,x2,y2,fy); /* non-special key */ switch(k2) case 118: /* 'v' */ case 86: /* 'V' */ putimage(x1,y1,vg,OR_PUT); break; case 119: /* 'w' */ case 87: /* 'W' */ putimage(x1,y1,wg,OR_PUT); putpixel(x,y,c); break; case 114: /* 'r' */ case 82: /* 'R' */ putimage(x1,y1,rg,OR_PUT); putpixel(x,y,BLACK); break; case 115: /* 's' */ case 83: /* 'S' */ save("pic.dat"); break; case 101: /* 'e' */ case 69: /* 'E' */ load("pic.dat"); break; case 99: /*'c'*/ case 67: /*'C'*/ setcolor(RED); circle(x,y,20); break; default:continue;

/* function for screen picture save */ void save(char *fname)

FILE *fp; int i; register long j; char far *ptr;

fp=fopen(fname,"wb"); for(i=0;i<4;i++)

outportb(0x3CE,4); outportb(0x3CF,i); ptr=(char far *) 0xA0000000L; for (j=0;j<38400L;j++) putc(*ptr,fp); ptr++;

fclose(fp); outportb(0x3CF,0);

/* function for screen picture display */ void load(char *fname)

FILE *fp; register int i; int k4=1; register long j; char far *ptr;

fp=fopen(fname,"rb"); for (i=0;i<4;i++)

outportb(0x3C4,2); outportb(0x3C5,k4); ptr=(char far *)0xA0000000L; for (j=0;j<38400L;j++)

*ptr=getc(fp); ptr++;

k4*=2;

fclose(fp); outportb(0x3C5,0xF); 多谢大家对小弟的支持，感激不尽