[ucgui] 仪表盘函数

 

 

 1 /*

 2 仪表盘

 3 */

 4 void DrawArcScale(void)

 5 {

 6     int x0 = 160;

 7     int y0 = 180;

 8     int i;

 9     char ac[4];

10     GUI_SetBkColor(GUI_WHITE);

11     GUI_Clear();

12     GUI_SetPenSize( 5 );

13     GUI_SetTextMode(GUI_TM_TRANS);

14     GUI_SetFont(&GUI_FontComic18B_ASCII);

15     GUI_SetColor( GUI_BLACK );

16     GUI_DrawArc( x0,y0,150, 150,-30, 210 );

17     //GUI_Delay(1000);

18     for (i=0; i<= 23; i++)

19     {

20         float a = (-30+i*10)*3.1415926/180;

21         int x = -141*cos(a)+x0;

22         int y = -141*sin(a)+y0;

23         if (i%2 == 0)

24         GUI_SetPenSize( 5 );

25         else

26         GUI_SetPenSize( 4 );

27         GUI_DrawPoint(x,y);

28         if (i%2 == 0)

29         {

30             x = -123*cos(a)+x0;

31             y = -130*sin(a)+y0;

32             sprintf(ac, "%d", 10*i);

33             GUI_SetTextAlign(GUI_TA_VCENTER);

34             GUI_DispStringHCenterAt(ac,x,y);

35         }

36     }

37 }