用C语言绘制电子时钟图案，要求分别用红蓝黄三种颜色表示时分秒，按任意键结束程序。
#include#include#include#define CENTERX 320 /*表盘中心位置*/#define CENTERY 175#define CLICK 100 /*喀嗒声频率*/#define CLICKDELAY 30 /*喀嗒声延时*/#define HEBEEP 10000 /*高声频率*/#define LOWBEEP 500 /*低声频率*/#define BEEPDELAY 200 /*报时声延时*//*表盘刻度形状*/int Mrk_1[8]={-5,-160,5,-160,5,-130,-5,-130, };int Mrk_2[8]={-5,-1...全部
#include#include#include#define CENTERX 320 /*表盘中心位置*/#define CENTERY 175#define CLICK 100 /*喀嗒声频率*/#define CLICKDELAY 30 /*喀嗒声延时*/#define HEBEEP 10000 /*高声频率*/#define LOWBEEP 500 /*低声频率*/#define BEEPDELAY 200 /*报时声延时*//*表盘刻度形状*/int Mrk_1[8]={-5,-160,5,-160,5,-130,-5,-130, };int Mrk_2[8]={-5,-160,5,-160,2,-130,-2-130, };/*时针形状*/int HourHand[8]={-3,-100,3,-120,4, 10,-4,10};/*分针形状*/int MiHand[8]={-3,-120,3,-120,4, 10,-4,10};/*秒针形状*/int SecHand[8]={-2,-150,2,-150,3, 10,-3,10};/*发出喀嗒声*/void Click(){ sound(CLICK); delay(CLICKDELAY); nosound();}/*高声报时*/void HighBeep(){ sound(HEBEEP); delay(BEEPDELAY); nosound;}/*低声报时*/void LowBeep(){ sound(LOWBEEP);}/*按任意角度画多边形*/void DrawPoly(int *data,int angle,int color){ int usedata[8]; float sinang,cosang; int i; sinang=sin((float)angle/180*3。
14); cosang=cos((float)angle/180*3。14); for(i=0;iti_sec/60; minrate=((float)cutime->ti_min secrate)/60; hourrate=(((float)cutime->ti_hour/12) minrate)/12; ang=hourrate*360; DrawPoly(HourHand,ang,YELLOW);/*画时针*/ ang=minrate*360; DrawPoly(MiHand,ang, GREEN);/*画分针*/ ang=secrate*360; DrawPoly(SecHand,ang, RED);/*画秒针*/}main(){ int gdriver=EGA, gmode=EGAHI; int curpage; struct time curtime ,newtime ; initgraph(&gdriver,&gmode,"c:\tc"); setbkcolor(BLUE); cleardevice(); gettime(&curtime); curpage=0; DrawClock(&curtime); while(1) { if(kbhit()) break; /*按任意键退出*/ gettime(&newtime); /*检测系统时间*/ if(newtime。
ti_sec!=curtime。ti_sec)/*每1秒更新一次时间*/ { if(curpage==0) curpage=1; else curpage=0; curtime=newtime; /*设置绘图页*/ setactivepage(curpage); /*在图页上画表盘*/ DrawClock(&curtime); /*设置绘图页为当前可见页*/ setvisualpage(curpage); /*0分0秒高声报时*/ if(newtime。
ti_min==0&&newtime。ti_sec==0) HighBeep(); /* 59分55至秒时低声报时*/ else if(newtime。ti_min==59&& newtime。
ti_sec LowBeep();/*其他时间只发出喀嗒声*/ else Click(); } } closegraph();}。收起
