绘制机械图c语言编程,怎样用c语言编写机械三视图啊……急……

心已赠人 2022-10-15 15:57 18阅读 0赞

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m191

2013.10.11

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\#include

\#define COLOR WHITE

\#define F1 59

\#define F2 60

\#define UP 72

\#define DOWN 80

\#define LEFT 75

\#define RIGHT 77

\#define HOME 71

\#define END 79

\#define PAGEUP 73

\#define PAGEDOWN 81

int inc=1;

typedef union /\*返回键盘输入值\*/

\{char c\[2\]; int i;\}KEY;

KEY key;

typedef struct /\*定义点\*/

\{int x; int y;\}DOT;

DOT dis,firstdot,secdot,dot1;

int point();

int do\_that();

void mv\_cp(int startx,int starty,int endx,int endy,int x,int y,int flag);/\*移动函数\*/

void fill(int startx,int starty,int endx,int endy);/\*填充\*/

void colour();/\*颜色\*/

void menu(void);/\*主菜单\*/

void save(void);/\*保存\*/

void load(void);/\*打开文件\*/

void xhairs(int a,int b);/\*显示光标\*/

void arr\_key(char c);

/\*--------------------------------主函数---------------------------------------\*/

void main()

int k,j,m,r,x1,y1,xn,yn;

int driver,mode;

dis.x=200;

dis.y=200;

driver=DETECT;

mode=VGAHI;

registerbgidriver(EGAVGA\_driver);

registerbgifont(TRIPLEX\_FONT);

initgraph(&driver,&mode,"f:\\\\tc2.01\\\\BGI");

setbkcolor(BLUE);

cleardevice();

setcolor(YELLOW);

xhairs(dis.x,dis.y);

while(key.c\[0\]!='q')

menu();/\*显示菜单\*/

key.i=bioskey(0);

xhairs(dis.x,dis.y);

if(!key.c\[0\])

arr\_key(key.c\[1\]);

else

switch(tolower(key.c\[0\]))

case 'f':

xhairs(dis.x,dis.y);colour();break;

case 'd':x1=y1=0;xhairs(dis.x,dis.y);setcolor(LIGHTRED);

outtextxy(10,22+(13)\*30,"b:begine point");

outtextxy(10,22+(14)\*30,"g:give up");

x1=point();

fill(6,410,149,430);

xhairs(dis.x,dis.y);

outtextxy(10,22+(13)\*30,"e:end point");

outtextxy(10,22+(14)\*30,"g:give up");

y1=point();

fill(6,410,149,460);

setcolor(COLOR);

if(x1&&y1)

\{outtextxy(10,22+(13)\*30,"move the +"); outtextxy(10,22+(14)\*30,"y:do n:no"); \}

x1=0;

xhairs(dis.x,dis.y);

x1=do\_that();

if(x1)

\{xn=dis.x;yn=dis.y; mv\_cp(firstdot.x,firstdot.y,secdot.x,secdot.y,xn,yn,0); \}

fill(6,410,149,460);break;

case 'l':x1=y1=0;/\*画直线\*/

xhairs(dis.x,dis.y);

setcolor(LIGHTRED);

outtextxy(10,22+(13)\*30,"b:begin point");

outtextxy(10,22+(14)\*30,"g:give up");

x1=point();

fill(6,410,149,430);

xhairs(dis.x,dis.y);

outtextxy(10,22+(13)\*30,"e:end point");

outtextxy(10,22+(14)\*30,"g:five up");

y1=point();

setcolor(COLOR);

if(x1&&y1)

line(firstdot.x,firstdot.y,secdot.x,secdot.y);

fill(6,410,155,460);

break;

case 'o':/\*画圆形\*/

x1=y1=0;

xhairs(dis.x,dis.y);

setcolor(LIGHTRED);

outtextxy(10,22+(13)\*30,"b:radius");

outtextxy(10,22+(14)\*30,"g:give up");

x1=point();

fill(6,410,149,430);

xhairs(dis.x,dis.y);

outtextxy(10,22+(13)\*30,"e:radius");

outtextxy(10,22+(14)\*30,"g:give up");

y1=point();

if(x1&&y1) setcolor(COLOR);

r=sqrt(fabs((secdot.x-firstdot.x)\*(secdot.x-firstdot.x)+(secdot.y-firstdot.y)\*(secdot.y-firstdot.y)));

if(x1&&y1) circle(firstdot.x,firstdot.y,r);

fill(6,410,149,460);break;

case 'h':/\*画矩形\*/

x1=y1=0;

xhairs(dis.x,dis.y);

setcolor(LIGHTRED);

outtextxy(10,22+(13)\*30,"b:left top");

outtextxy(10,22+(14)\*30,"g:give up");

x1=point();

fill(6,410,149,430);

xhairs(dis.x,dis.y);

outtextxy(10,22+(13)\*30,"e:right bottom");

outtextxy(10,22+(14)\*30,"g:give up");

y1=point();

if(x1&&y1)

setcolor(COLOR);

rectangle(firstdot.x,firstdot.y,secdot.x,secdot.y);

fill(6,410,155,460);break;

case 's':cleardevice();break;/\*清屏\*/

case 'w':save();break;

case 'r':load();break;

case 'm':x1=y1=0;/\*图形移动\*/

xhairs(dis.x,dis.y);

setcolor(LIGHTRED);

outtextxy(10,22+(13)\*30,"b:begin point");

outtextxy(10,22+(14)\*30,"g:give up");

x1=point();

fill(6,410,149,430);

xhairs(dis.x,dis.y);

outtextxy(10,22+(13)\*30,"e:end point");

outtextxy(10,22+(14)\*30,"g:give up");

y1=point();

fill(6,410,149,460);

setcolor(COLOR);

if(x1&&y1)

outtextxy(10,22+(13)\*30,"move the +");

outtextxy(10,22+(14)\*30,"y:do n:no");

x1=0;

xhairs(dis.x,dis.y);

x1=do\_that();

if(x1)

xn=dis.x;yn=dis.y;

mv\_cp(firstdot.x,firstdot.y,secdot.x,secdot.y,xn,yn,1);

fill(6,410,149,460);break;

xhairs(dis.x,dis.y);

closegraph();

/\*--------------------------------显示光标函数--------------------------------\*/

void xhairs(int a,int b)

int i;

for(i=a-3;i<=a+3;i++)

putpixel(i,b,15^getpixel(i,b));

for(i=b-3;i<=b+3;i++)

putpixel(a,i,15^getpixel(a,i));

/\*------------------------------菜单函数------------------------------\*/

void menu(void)

\#define STARTX 10

\#define STARTY 22

\#define DISTANCE 30

int i;

char \*menu\_name\[\]=\{"F1:setp=1",

"F2:step=5",

"l:draw line",

"o:draw cirle",

"h:graw box",

"s:clear screen",

"m:move",

"d:copy",

"f:fill color",

"w:save",

"r:load",

"q:quit"\};

setcolor(WHITE);

rectangle(5,5,150,470);

rectangle(5,403,150,470);

rectangle(155,5,635,470);

setcolor(LIGHTBLUE);

settextstyle(TRIPLEX\_FONT,HORIZ\_DIR,2);

outtextxy(36,STARTY,"menu");

settextstyle(DEFAULT\_FONT,HORIZ\_DIR,1);

for(i=0;i<12;i++)

outtextxy(STARTX,STARTY+(i+1)\*DISTANCE,menu\_name\[i\]);

/\*---------------------------------保存函数---------------------------------\*/

void save(void)

\{int i,j;FILE \*fp;if((fp=fopen("graph.dat","w+"))==NULL) \{printf("cannot open this file!"); exit(0); \}

fill(260,473,400,480);

for(i=5;i<470;i++)

for(j=155;j<=635;j++)

fputc(getpixel(j,i),fp);

fclose(fp);

outtextxy(260,471,"save over!");

/\*-----------------------------------------打开函数------------------------\*/

void load(void)

int i,j;

FILE \*fp;

if((fp=fopen("graph.dat","r+"))==NULL)

outtextxy(260,471,"cannot open this file!");

getch();

exit(0);

fill(260,471,400,480);

outtextxy(280,471,"loading......");

for(i=5;i<=470;i++)

for(j=155;j<=635;j++)

putpixel(j,i,fgetc(fp));

fill(260,471,400,480);

fclose(fp);

outtextxy(280,471,"loading over");

/\*-----------------------------------------移动复制函数---------------------------\*/

void mv\_cp(int startx,int starty,int endx,int endy,int x,int y,int flag)

int i,j;

unsigned char c;

if(startx>endx)

\{i=startx;startx=endx;endx=i;\}

if(starty>endy)

\{i=starty; starty=endy;endy=i;\}

for(;startx<=endx;startx++,x++)

for(i=starty,j=y;i<=endy;i++,j++)

\{c=getpixel(startx,i); if(flag) putpixel(startx,i,BLUE); putpixel(x,j,c); \}

/\*----------------------------返回点坐标函数----------------------------------\*/

int point()

\{int valid\_p=0,g=1;key.c\[0\]='';while(key.c\[0\]!='p') \{key.i=bioskey(0); xhairs(dis.x,dis.y); if(!key.c\[0\]) arr\_key(key.c\[1\]); else switch(tolower(key.c\[0\])) \{case 'b':putpixel(dis.x,dis.y,COLOR); firstdot.x=dis.x; firstdot.y=dis.y; key.c\[0\]='p'; valid\_p=1; break; case 'e': putpixel(dis.x,dis.y,COLOR); secdot.x=dis.x; secdot.y=dis.y; key.c\[0\]='p'; valid\_p=2;break; case 'g': firstdot.x=secdot.x; firstdot.y=secdot.y; key.c\[0\]='p'; g=0;break; \}

xhairs(dis.x,dis.y);

if(valid\_p==1||valid\_p==2||g==0)

break;

xhairs(dis.x,dis.y);

return valid\_p;

/\*------------------------------确认操作------------------------\*/

int do\_that()

int valid\_p=0,g=1;

key.c\[0\]='';

while(key.c\[0\]!='p')

\{key.i=bioskey(0); xhairs(dis.x,dis.y); if(!key.c\[0\]) arr\_key(key.c\[1\]); else switch(tolower(key.c\[0\])) \{case 'y': key.c\[0\]='p'; putpixel(dis.x,dis.y,COLOR); valid\_p=1;break; case 'n': key.c\[0\]='p'; firstdot.x=secdot.x; firstdot.y=secdot.y; g=0;break;\}

xhairs(dis.x,dis.y);

if(valid\_p==1||g==0)

break;

xhairs(dis.x,dis.y);

return valid\_p;

/\*-----------------------------填充-------------------------------\*/

void fill(int startx,int starty,int endx,int endy)

\{int i,j; for(i=startx;i<=endx;i++) for(j=starty;j<=endy;j++) \{putpixel(i,j,BLUE); \}

/\*-----------------------------------颜色定义--------------------------------\*/

void colour()

key.c\[0\]='';

setcolor(RED);

outtextxy(10,412,"R");

setcolor(GREEN);

outtextxy(40,412,"G");

setcolor(CYAN);

outtextxy(70,412,"C");

setcolor(LIGHTBLUE);

outtextxy(10,432,"L");

setcolor(MAGENTA);

outtextxy(40,432,"M");

setcolor(YELLOW);

outtextxy(70,432,"Y");

setcolor(WHITE);

outtextxy(10,452,"W");

setcolor(BROWN);

outtextxy(40,452,"N");

setcolor(LIGHTRED);

outtextxy(70,452,"D");

while(key.c\[0\]!='p')

key.i=bioskey(0);

xhairs(dis.x,dis.y);

if(!key.c\[0\])

arr\_key(key.c\[0\]);

else

\{switch(tolower(key.c\[0\])) \{case 'y' : setfillstyle(SOLID\_FILL,YELLOW); break; case 'r' : setfillstyle(SOLID\_FILL,RED);break; case 'g' : setfillstyle(SOLID\_FILL,GREEN);break; case 'c' : setfillstyle(SOLID\_FILL,CYAN);break; case 'l' : setfillstyle(SOLID\_FILL,LIGHTBLUE);break; case 'm' : setfillstyle(SOLID\_FILL,MAGENTA);break; case 'w' : setfillstyle(SOLID\_FILL,WHITE);break; case 'n' : setfillstyle(SOLID\_FILL,BROWN);break; case 'd' : setfillstyle(SOLID\_FILL,LIGHTRED);break; \}

key.c\[0\]='p';\}

\*-------------------------光标---------------------\*/

xhairs(dis.x,dis.y);

floodfill(dis.x,dis.y,WHITE);

fill(6,410,149,460);

/\*-----------------------------光标控制----------------------------\*/

void arr\_key(char c)

\{switch(c) \{case LEFT : dis.x-=inc;break; case RIGHT : dis.x+=inc;break; case UP : dis.y-=inc;break; case DOWN : dis.y+=inc;break; case F1 : inc=1;break; case F2 : inc=5;break; \}

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