带爆炸效果的扫雷(源码4)

 计时器：由于需要暂停/恢复计时、绘图，所以专门作了一个类。 其中用了三个状态#define T_CLOSE 0
#define T_START 1
#define T_PAUSE 2

应该可以优化。

附 mytimer.h  mytimer.cpp

//定时器
#ifndef __MYTIMER_H
#define __MYTIMER_H

#define T_CLOSE 0
#define T_START 1
#define T_PAUSE 2

class MYTIMER
...{
public:
    MYTIMER();
    ~MYTIMER();

    void StartTimer();
    void PauseTimer();
    void StopTimer();
    void GoOnTimer();
    int GetTimeLong();
    void TimerInc();
    void Clear();
    
    void Draw();
    void LoadPic();
    void SetHINSTANCE(HINSTANCE h);
    void SetHWND(HWND h);
    void SetHDC(HDC h);

    void SetPos(int x,int y);

private:
    int time_long;
    int iState;
    POINT pos;

    HDC hdcmem;
    HDC hdc;
    HWND hwnd;
    HINSTANCE hinstance;

    HBITMAP hbm_number;
};

#endif

mytimer.cpp

#include "stdafx.h"
#include "resource.h"

#include "mytimer.h"

void MYTIMER::StartTimer()
...{
    if(T_START==iState)
    ...{
        return;
    }

    time_long=0;
    iState=T_START;

    SetTimer(hwnd,1,1000,NULL);

//    MessageBox(hwnd,"start timer","timer",MB_OK);
}

void MYTIMER::PauseTimer()
...{
    if(T_START == iState)
    ...{
        KillTimer(hwnd,1);
        iState=T_PAUSE;
    }
}
void MYTIMER::StopTimer()
...{
    KillTimer(hwnd,1);

    iState=T_CLOSE;
}

void MYTIMER::Clear()
...{
    time_long=0;
}

int MYTIMER::GetTimeLong()
...{
    return time_long;
}

void MYTIMER::GoOnTimer()
...{
    if(T_PAUSE == iState)
    ...{
        iState=T_START;
        SetTimer(hwnd,1,1000,NULL);
    }
//    MessageBox(hwnd,"Timer GO ON","timer",MB_OK);
}

void MYTIMER::TimerInc()
...{
    if(time_long<=999)
        time_long++;
}

void MYTIMER::SetHWND(HWND h)
...{
    hwnd=h;
}

void MYTIMER::SetHINSTANCE(HINSTANCE h)
...{
    hinstance=h;
}

void MYTIMER::LoadPic(void)
...{
    if(!hinstance)
    ...{
        MessageBox(hwnd,"Timer:Load Picture:instance is null","bitmap",MB_OK);
    }

    hbm_number=LoadBitmap(hinstance,MAKEINTRESOURCE(IDB_TIMER_NUMBER));    

    if(!hbm_number)
    ...{
        MessageBox(hwnd,"Timer:Load Picture:bitmap handle is null","bitmap",MB_OK);
    }


    hdc=GetDC(hwnd);
    hdcmem=CreateCompatibleDC(hdc);
    if(!hdcmem)
    ...{
        MessageBox(hwnd,"Timer:Load Picture:hdcmem is null","bitmap",MB_OK);
    }

    ReleaseDC(hwnd,hdc);
}

void MYTIMER::SetHDC(HDC h)
...{
    hdc=h;
}
void MYTIMER::Draw()
...{
    int i=0;
    //hdc=GetDC(hwnd);
    if(!hdc)
    ...{
        MessageBox(hwnd,"Timer:Draw:DC is null","bitmap",MB_OK);
    }

    SelectObject(hdcmem,hbm_number);

    TextOut(hdc,pos.x,pos.y,"TIME:",5);

    i=time_long/100;    
    i%=10;
    BitBlt(hdc,pos.x,pos.y+16,16,32,hdcmem,i*16,0,SRCCOPY);
    
    i=time_long/10;    
    i%=10;
    BitBlt(hdc,pos.x+16,pos.y+16,16,32,hdcmem,i*16,0,SRCCOPY);

    i=time_long%10;    
    BitBlt(hdc,pos.x+32,pos.y+16,16,32,hdcmem,i*16,0,SRCCOPY);

}

MYTIMER::MYTIMER()
...{
    hwnd=0;
    time_long=0;
    iState=T_CLOSE;
}

MYTIMER::~MYTIMER()
...{
    DeleteObject(hbm_number);

    hwnd=0;
    time_long=0;
    if(iState!=T_CLOSE)
    ...{
        KillTimer(hwnd,1);
    }
}

void MYTIMER::SetPos(int x,int y)
...{
    pos.x=x;
    pos.y=y;
}