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Creating an Analog clock

Posted on 2010-08-28
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Last Modified: 2013-12-14
I need to write a program for an analog clock with graphics of the face, numbers, and hands. I am so confused. I know that this is the current time, how do I do it with the graphics to show the face?

#include <time.h>
#include <stdio.h>

 void main()
   {
     time_t t; // correction
     time( &t );
     puts( ctime( &t ));
   }
 
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Question by:Rowley4
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phoffric earned 500 total points
ID: 33551626
From http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=11795&lngWId=3
This has hour, minute, and second hand. No numbers, but from the code, you may be able to finish the job.
    Hope this gets you started.   Good Luck!

//**************************************
// Name: Analog Clock - Win32
// Description:Shows the time in a win32, top most, tool window.
//Credit goes to: T J Betsworth, I used his Circle code, really nice code of yours btw.
// By: michael coder
//
// Side Effects:You will know the time :P
//
//This code is copyrighted and has// limited warranties.Please see http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=11795&lngWId=3//for details.//**************************************

#include <windows.h>
#include <math.h>
#include <time.h>
/* Declare Windows procedure */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
/* Make the class name into a global variable */
char szClassName[ ] = "ComboBox App";
HWND hwnd; 
HDC hdc;
HWND analogpic;
HBITMAP analog;
HPEN hPen1 = CreatePen(PS_SOLID,1,RGB(255,0,0));
HPEN hPen2 = CreatePen(PS_SOLID,2,RGB(0,0,255));
HPEN hPen3 = CreatePen(PS_SOLID,6,RGB(0,0,0));
int WINAPI WinMain (HINSTANCE hThisInstance,
                    HINSTANCE hPrevInstance,
                    LPSTR lpszArgument,
                    int nFunsterStil)
{
   MSG messages; 
   WNDCLASSEX wincl;
   wincl.hInstance = hThisInstance;
   wincl.lpszClassName = szClassName;
   wincl.lpfnWndProc = WindowProcedure;
   wincl.style = CS_DBLCLKS;
   wincl.cbSize = sizeof (WNDCLASSEX);
   wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
   wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
   wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
   wincl.lpszMenuName = NULL; 
   wincl.cbClsExtra = 0;
   wincl.cbWndExtra = 0; 
   wincl.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH); 
   if (!RegisterClassEx (&wincl))
      return 0;
   hwnd = CreateWindowEx (
      WS_EX_PALETTEWINDOW, 
      szClassName,
      "Time",
      WS_POPUPWINDOW|WS_CAPTION, 
      0,
      0,
      103,
      122,
      HWND_DESKTOP,
      NULL,
      hThisInstance,
      NULL
      );
   hdc = GetDC(hwnd);
   analogpic = CreateWindow("static", "", WS_CHILD | WS_VISIBLE | SS_BITMAP, 0, 0,50, 50, hwnd, NULL, hThisInstance, NULL);
   analog = (HBITMAP)LoadImage(0,"clock.bmp",IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
   SendMessage(analogpic, STM_SETIMAGE, IMAGE_BITMAP, (LPARAM)analog);

   ShowWindow (hwnd, nFunsterStil);
   while (GetMessage (&messages, NULL, 0, 0))
   {
      TranslateMessage(&messages);
      DispatchMessage(&messages);
   }
   return 1;
}
void DrawPoint(int x, int y, HPEN pen)
{
   SelectObject(hdc,pen);
   MoveToEx(hdc,x,y,NULL);
   LineTo(hdc,x,y);
}
void DrawLine(int x1, int y1, int x2, int y2, HPEN pen){
   SelectObject(hdc,pen);
   MoveToEx(hdc,x1,y1,NULL);
   LineTo(hdc,x2,y2);
}
void DrawHourHand(int originx, int originy, float value,int handlength)
{
   DrawLine(originx, originy, (handlength*cos(6.3*value/60))+originx, (handlength*sin(6.3*value/60))+originy,hPen2);
}
void DrawMinuteHand(int originx, int originy, float value, int handlength)
{
   DrawLine(originx, originy, (handlength*cos(6.3*value/60))+originx, (handlength*sin(6.3*value/60))+originy,hPen2);
}
void DrawSecondHand(int originx, int originy, float value, int handlength)
{
   DrawLine(originx, originy, (handlength*cos(6.3*value/60))+originx, (handlength*sin(6.3*value/60))+originy,hPen1);
}
void Time()
{
   int pointx = GetSystemMetrics(SM_CXSCREEN)/2;
   int pointy = GetSystemMetrics(SM_CYSCREEN)/2;
   char timeStr [9];
   char hour[2];
   char minute[2];
   char second[2];
   int Hour;
   int Minute;
   int Second;
   while(1)
   {
      _strtime( timeStr );
      hour[0] = timeStr[0];
      hour[1] = timeStr[1];
      minute[0] = timeStr[3];
      minute[1] = timeStr[4];
      second[0] = timeStr[6];
      second[1] = timeStr[7];
      Hour = atoi(hour);
      Minute = atoi(minute);
      Second = atoi(second);
      if(Hour>12)
         Hour = Hour - 12;
      DrawHourHand(50,50,((Hour*5)-15)+(5*Minute/60),33);
      DrawMinuteHand(50,50,45+Minute,47);
      DrawSecondHand(50,50,45+Second,48);
      DrawPoint(50,50,hPen3);
      Sleep(100);
      SendMessage(analogpic, STM_SETIMAGE, IMAGE_BITMAP, (LPARAM)analog);
   }
}
/* This function is called by the Windows function DispatchMessage() */
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
   // static HWND hwndList, hwndText;
   switch (message) /* handle the messages */
   {
   case WM_CREATE: 
      CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)Time,0,0,0); 
      break;
   case WM_DESTROY:
      PostQuitMessage (0);/* send a WM_QUIT to the message queue */
      break;
   default: /* for messages that we don't deal with */
      return DefWindowProc (hwnd, message, wParam, lParam);
   }
   return 0;
}

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