C语言高级编程技术(CLH)

#include <conio.h> #include <stdio.h> main() { int i; char *s[]={"BLACK","BLUE","GREEN","CYAN","RED","MAGENTA","BROWN","LIGHTGRAY"}; textmode(C80); textbackground(0); clrscr(); for(i=1;i<8;i++) { window(10+i*5,5+i,30+i*5,15+i); textbackground(i); clrscr(); textcolor(7+i); if(i%2==0) highvideo(); else lowvideo(); cputs(s[i]); } getch(); } structtext_info( unsigned char winleft; unsigned char wintop; unsigned char winright; unsigned char winbottom; unsigned char attributes; unsigned char normattr; unsigned char currmode; unsigned char screenheight; unsigned char screenwidth; unsigned char curx; unsigned char cury; }; printf("The cursor is at %d,%d\n",wherex(),wherey()); #include <stdio.h> #include <conio.h> #include <bios.h> char leftbuf[40*25*2]; char rightbuf[40*25*2]; int leftx,lefty; int rightx,righty; void draw_left_win(); void draw_right_win(); int main() { int key; int turn; textmode(C80); textbackground(0); textcolor(WHITE); clrscr(); gotoxy(60,1); cprintf("Press Esc to Quit"); window(41,2,79,24); textbackground(2); textcolor(14); clrscr(); gettext(41,2,79,24,rightbuf); window(2,2,40,24); textbackground(1); textcolor(15); clrscr(); gettext(2,2,40,24,leftbuf); turn=1; for(;;) { key=bioskey(0); if(key==0x011b) exit(0); key=key&&0xff; if(key=='\t') { if(turn==1) { gettext(2,2,40,24,leftbuf); leftx=wherex(); lefty=wherey(); draw_right_win(); turn=0; } else if(turn==0) { gettext(41,2,79,24,rightbuf); rightx=wherex(); righty=wherey(); draw_left_win(); turn=1; } else putch(key); } } void draw_right_win() { window(41,2,79,24); textbackground(2); textcolor(14); clrscr(); puttext(41,2,7,24,rightbuf); gotoxy(rightx,righty); } void draw_left_win() { window(22,40,24); textbackground(1); textcolor(15); clrscr(); puttext(2,2,40,24,leftbuf); gotoxy(leftx,lefty); } void far setbkcolor(int color); void far setcolor(int color); #icnlude <stdio.h> #include <graphics.h> void main() { int gdriver,gmode,i; gdriver=DETECT; initgraph(&gdriver,&gmode,"c:\\tc\\bgi"); setbkcolor(0); cleardevice(); for(i=0;i<=15;i++) { setcolor(i); circle(320,240,20+i*10); delay(500); } for(i=0;i<=15;i++) { setbkcolor(i); cleardevice(); circle(320,240,20+i*10); delay(500); } closegraph(); } #include <stdlib.h> #include <graphics.h> void main() { int gdriver,gmode,i; int arw[16]={200,102,300,102,300,107,330,100,300,93,300,98,200,98,200,102}; gdriver=DETECT; initgraph(&gdriver,&gmode,"c:\\tc\\bgi"); setbkcolor(BLUE); cleardevice(); setcolor(12); drawpoly(8,arw); getch(); closegraph(); } structlinesettingstyle { int linestyle; unsigned upattern; int thickness; }; struct linesettingstyle *info; getlinesetings(info); #include <stdlib.h> #include <graphics.h> void main() { int gdriver,gmode,i; gdriver=DETECT; initgraph(&gdriver,&gmode,"c:\\tc\\bgi"); setbkcolor(BLUE); cleardevice(); setcolor(RED); circle(320,240,98); setlinestyle(0,0,3); setcolor(2); rectangle(220,140,420,340); setcolor(WHITE); setlinestyle(4,0xaaaa,11); line(220,240,420,240); line(320,140,320,340); getch(); closegraph(); } #include <graphics.h> void main(){ char str[8]={10,20,30,40,50,60,70,80}; int griver,gmode,i; struct fillsettingstype save; gdriver=DETECT; initgraph(&gdriver,&gmode,"c:\\tc\\bgi"); setbkcolor(BLUE); cleardevice(); for(i=0;i<13;i++) { setcolor(i+3); setfillstyle(i,2+i); bar(100,150,200,50); bar3d(300,100,500,200,70,1); pieslice(200,300,90,180,90); sector(500,300,180,270,200,100); delay(1000); } cleardevice(); setcolor(14); setfillpattern(str,RED); bar(100,150,200,50); bar3d(300,100,500,200,70,0); pieslice(200,300,0,360,90); sector(500,300,0,360,100,50); getch(); getfillsettings(&save); closegraph(); clrscr(); printf("The pattern is %d,The color of filling is %d",save.pattern, save.color); getch(); } struct viewporttype{ int left,top,right,bottom; int clipflag; }; void far setactivepge(int pagenum); void far setvisualpage(int pagenum); void far outtext(char far *teststring); void far outtextxy(int x,int y,char far *textsring); int sprintf(char *string,char *format[argument..]; #include <graphics.h> void main() { int i,graphdriver,graphmode; char s[30]; graphdriver=DETECT; initgraph(&graphdriver,&graphmode,"c:\\tc\\bgi"); cleardevice(); setbkcolor(BLUE); setviewprot(40,40,600,440,1); setfillstyle(1,2); setcolor(YELLOW); rectangle(0,0,560,400); floodfill(50,50,14); rectgangle(20,20,540,380); setfillstyle(1,13); floodfill(19,19,14); setcolor(15); settextstyle(1,0,6); outtextxy(100,60,"Welcome Your"); setviewport(100,200,540,380,0); setcolor(14); setfillstyle(1,12); rectagnle(20,20,420,120); floodfill(21,100,14); settextstyle(2,0,9); i=620; srpintf('s,"Your score is %d",i); setcolor(YELLOW); outtextxy(60,40,s); setcolor(1); settextstyle(3,0,0); setusercharsize(4,1,1,1); outtextxy(70,80,"Good"); getch(); closeraph(0; } #include <dos.h> #include <conio.h> #define Key_DOWN 0x5100 #define Key_UP 0x4900 #define Key_ESC 0x011b #define Key_ALT_F 0x2100 #define Key_ALT_X 0x2d00 #define Key_ENTER 0x1c0d main() { int i,key,x,y,l; char *menu[]={"File","Edit","Run","Option","Help","Setup","Zoom","Menu"}; char *red[]={"F","E","R","O","H","S","Z","M"}; char *f[]={"Loadfile","Savefile","Print","Modify","QuitAlt_x"}; char buf[16*10*2],buf[16*2]; while(1) { textbackground(BLUE); clrscr(); textmode(C80); window(1,1,80,1); textbackground(LIGHTGRAY); textcolor(BLACK); clrscr(); gotoxy(5,1); for(i=0,l=0;i<8;i++) { x=wherex(); y=wherey(); cprintf("%s",menu[i]); l=strlen(menu[i]); gotoxy(x,y); textcolor(RED); cprintf("%s",red[i]); x=x+1+5; gotoxy(x,y); textcolor(BLACK); } gotoxy(5,1); key=bioskey(0); switch(key){ case Key_ALT_X: exit(0); case Key_ALT_F: { textbackground(BLACK); textcolor(WHITE); gotoxy(5,1); cprintf("%s",menu[0]); gettext(5,2,20,12,buf); window(5,2,20,9); textbackground(LIGHTGRAY); textcolor(BLACK); clrscr(); for(i=2;i<7;i++) { gotoxy(2,i); cprintf("%s",f[i-2]); } gettext(2,2,18,3,buf1); textbackground(BLACK); textcolor(WHITE); gotoxy(2,2); cprintf("%s",f[0]); gotoxy(2,2); y=2; while((key=bioskey(0))!=KEY_ALT_X) { if((key==Key_UP)||(key==key_DOWN)) { puttext(2,y,18,y+1,buf1); if(key=key_UP) y=(y==2?6:y-1); else y=(y==6?2:y+1); gettext(2,y,18,y+1,buf1); textbackground(BLACK); textcolor(WHITE); gotoxy(2,y); cprintf("%s",f[y-2]); gotoxy(2,y); } else if(key==key_ENTER) { switch(y-1){ case 1: break; case 2: break; case 3: break; case 4: break; case 5: exit(0); default: break; } break; } else if(key==key_ESC) break; } if(key==KEY_ALT_X) exit(0); } } initm() { int L,T,R,i; mWidth=550/MenuNum; mHeight=20; L=50;T=50;R=mWidth+L; setfillstyle(SOLID_FILL,1); bar(50,50,600,70); setcolor(RED); settextstyle(1,HORIZ_DIR,1); outtextxy(L+12,T,MainMenu[0].MenuName); L=R;R=mWidth+L; setfillstyle(SOLID_FILL,7); bar(50,50,600,70); setcolor(RED); settexxy(L+12,T,MainMenu[0].MenuName); L=R;R=mWidth+L; for(i=1;i<MenuNum;i++) { setcolor(BALCK); settextstyle(1,HORIZ_DIR,