#include <windows.h>
#include <windowsx.h>
#include <tchar.h>
#include <cmath>
#define PI 3.14159265
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
VOID CALLBACK TimerEvent( HWND window, UINT Msg, UINT_PTR EventID, DWORD SYSTime);
int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow )
{
MSG msg ;
WNDCLASS wc;
ZeroMemory(&wc, sizeof(wc));
wc.lpszClassName = TEXT( "Timer" );
wc.hInstance = hInstance ;
wc.hbrBackground = CreateSolidBrush(RGB(255,255,255));
wc.lpfnWndProc = WndProc ;
wc.hCursor = LoadCursor(0, IDC_ARROW);
RegisterClass(&wc);
CreateWindow( wc.lpszClassName, TEXT("Stop Watch"),
WS_SYSMENU | WS_VISIBLE,
150, 150, 230, 230, 0, 0, hInstance, 0);
while( GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int) msg.wParam;
}
const double mdeg = 270;
double SecDeg = mdeg;
double MinDeg = mdeg;
int globTime = 0;
int CalculateTime(int time)
{
int csec = time;
do
{
if(csec - 60 <= 0)
break;
csec -= 60;
} while (1);
return csec << 16 | ((time - csec) / 60);
}
LRESULT CALLBACK WndProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
static HWND MenuItems[3] = {0};
static POINT pt = {230/2, 230/2 - 40};
static int widthLine = 70;
switch(msg)
{
case WM_CREATE:
{
MenuItems[0] = CreateWindow(TEXT("button"), TEXT("Старт"),
WS_VISIBLE | WS_CHILD | BS_PUSHBUTTON,
120, 150, 80, 25,
hwnd, (HMENU) 1, NULL, NULL);
MenuItems[1] = CreateWindow(TEXT("button"), TEXT("Стоп"),
WS_VISIBLE | WS_CHILD | BS_PUSHBUTTON,
20, 150, 80, 25,
hwnd, (HMENU) 2, NULL, NULL);
break;
}
case WM_COMMAND:
{
if(HIWORD(wParam) == BN_CLICKED)
{
if (LOWORD(wParam) == 1)
{
SecDeg = mdeg;
globTime = 0;
KillTimer(hwnd, 1);
SetTimer(hwnd, 1, 1000, TimerEvent);
}
else if(LOWORD(wParam) == 2)
{
SecDeg = mdeg;
globTime = 0;
InvalidateRect(hwnd, 0, true);
KillTimer(hwnd, 1);
}
}
break;
}
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hd = BeginPaint(hwnd, &ps);
MoveToEx(hd, pt.x, pt.y, 0);
for(int i=0;i<360;i+=6)
{
SetPixel(hd, pt.x + (cos(i*PI/180)*(widthLine+1)), pt.y + (cos((180-(i+90))*PI/180)*(widthLine + 1)), RGB(0,0,0));
}
for(int i=0;i<360;i+=30)
{
Rectangle(hd, pt.x + (cos(i*PI/180)*(widthLine + 1)), pt.y + (cos((180-(i+90))*PI/180)*(widthLine + 1)), pt.x + (cos(i*PI/180)*(widthLine + 4)), pt.y + (cos((180-(i+90))*PI/180)*(widthLine + 4)));
}
SecDeg = mdeg + (CalculateTime(globTime) >> 16) * 6;
MinDeg = mdeg + (CalculateTime(globTime) & 0xFFFF) * 6;
SelectPen(hd, CreatePen(PS_SOLID, 2, RGB(0,0,255)));
LineTo(hd,pt.x + (cos(SecDeg*PI/180)*widthLine),pt.y + (cos((180-(SecDeg+90))*PI/180)*(widthLine)));
SelectPen(hd, CreatePen(PS_SOLID, 2, RGB(255,0,0)));
MoveToEx(hd, pt.x, pt.y, 0);
LineTo(hd,pt.x + (cos(MinDeg*PI/180)*widthLine / 2),pt.y + (cos((180-(MinDeg+90))*PI/180)*(widthLine)/2));
EndPaint(hwnd, &ps);
break;
}
case WM_DESTROY:
{
KillTimer(hwnd, 1);
PostQuitMessage(0);
break;
}
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
VOID CALLBACK TimerEvent( HWND window, UINT Msg, UINT_PTR EventID, DWORD SYSTime)
{
globTime++;
InvalidateRect(window, 0, true);
}
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