漫談WinCE的手寫識別技術(shù)(二)

#define DEFAULT_HWXGUIDE_CVERTBOX 1

#define DEFAULT_HWXGUIDE_CXOFFSET 1

#define DEFAULT_HWXGUIDE_CYOFFSET 1

//The default value of ALC

#define DEFAULT_ALC ALC_KANJI_ALL

//--------------------------------------------------------------------

// Construction/Destruction

CRecognizer::CRecognizer()

{

m_alc = NULL;

m_hrc = NULL;

m_hWndRecog = NULL;

memset(m_hwxGuide,0,sizeof(m_hwxGuide));

}

CRecognizer::~CRecognizer()

{

}

//-----------------------------------------------------------------------

//Descriptiong:

// Initialize the recognizer

//

//Parameter:

// hWnd: [in] The handle of window to be recognized

// rcWnd: [in] The window area to be recognized

// scale: [in] The scale base of prcWnd point

//-----------------------------------------------------------------------

BOOL CRecognizer::Initialize(HWND hWnd,const RECT *prcWnd,ScaleType scale)

{

m_hWndRecog = hWnd;

m_alc = DEFAULT_ALC;

RECT rcWnd = {0};

switch(scale)

{

case SCALE_APPWND:

{

rcWnd = *prcWnd;

rcWnd.left *= 4;

rcWnd.right *= 4;

rcWnd.top *= 4;

rcWnd.bottom *= 4;

MapWindowPoints(hWnd,HWND_DESKTOP,(LPPOINT)(rcWnd),(sizeof(RECT)/sizeof(POINT)));

break;

}

case SCALE_SCREEN:

{

rcWnd = *prcWnd;

break;

}

}

m_hwxGuide.cHorzBox = DEFAULT_HWXGUIDE_CHORZBOX;

m_hwxGuide.cVertBox = DEFAULT_HWXGUIDE_CVERTBOX;

m_hwxGuide.xOrigin = rcWnd.left;

m_hwxGuide.yOrigin = rcWnd.top;

m_hwxGuide.cxBox = rcWnd.right - rcWnd.left;

m_hwxGuide.cyBox = rcWnd.bottom - rcWnd.top;

m_hwxGuide.cxOffset = DEFAULT_HWXGUIDE_CXOFFSET;

m_hwxGuide.cyOffset = DEFAULT_HWXGUIDE_CYOFFSET;

m_hwxGuide.cxWriting = (rcWnd.right - rcWnd.left) - m_hwxGuide.cxOffset * 2;

m_hwxGuide.cyWriting = (rcWnd.bottom - rcWnd.top) - m_hwxGuide.cyOffset * 2;

m_hwxGuide.nDir = HWX_HORIZONTAL;

#ifdef RECOGNIZE_FUNCTION_FROM_DLL

HINSTANCE hInstDll;

hInstDll = LoadLibrary(RECOGNIZE_DLL_PATH);

if(hInstDll != NULL)

{

HWXCONFIG = (DLL_HWXCONFIG) GetProcAddress(hInstDll,TEXT(HwxConfig));

HWXCREATE = (DLL_HWXCREATE) GetProcAddress(hInstDll,TEXT(HwxCreate));

HWXSETGUIDE = (DLL_HWXSETGUIDE) GetProcAddress(hInstDll,TEXT(HwxSetGuide));

HWXALCVALID = (DLL_HWXALCVALID) GetProcAddress(hInstDll,TEXT(HwxALCValid));

HWXALCPRIORITY = (DLL_HWXALCPRIORITY) GetProcAddress(hInstDll,TEXT(HwxALCPriority));