漫談WinCE的手寫識別技術(二)

HWXSETCONTEXT = (DLL_HWXSETCONTEXT) GetProcAddress(hInstDll,TEXT(HwxSetContext));

HWXINPUT = (DLL_HWXINPUT) GetProcAddress(hInstDll,TEXT(HwxInput));

HWXPROCESS = (DLL_HWXPROCESS) GetProcAddress(hInstDll,TEXT(HwxProcess));

HWXRESULTSAVAILABLE = (DLL_HWXRESULTSAVAILABLE) GetProcAddress(hInstDll,TEXT(HwxResultsAvailable));

HWXGETRESULTS = (DLL_HWXGETRESULTS) GetProcAddress(hInstDll,TEXT(HwxGetResults));

HWXDESTROY = (DLL_HWXDESTROY) GetProcAddress(hInstDll,TEXT(HwxDestroy));

HWXENDINPUT = (DLL_HWXENDINPUT) GetProcAddress(hInstDll,TEXT(HwxEndInput));

}

else

{

return FALSE;

}

#endif //RECOGNIZE_FUNCTION_FROM_DLL

if(HWXCONFIG() == FALSE)

{

return FALSE;

}

return TRUE;

}

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

//Descriptiong:

// Begin recognizing

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

BOOL CRecognizer::BeginRecognize()

{

BOOL bRes = FALSE;

m_hrc = HWXCREATE();

if(m_hrc == NULL)

{

goto END;

}

bRes = HWXSETGUIDE(m_hrc,m_hwxGuide);

if(bRes == FALSE)

{

goto END;

}

bRes = HWXALCVALID(m_hrc,m_alc);

if(bRes == FALSE)

{

goto END;

}

bRes = TRUE;

END:

return bRes;

}

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

//Descriptiong:

// End recognizing

BOOL CRecognizer::EndRecognize()

{

BOOL bRes = FALSE;

//Destroy the recognizer

if(HWXDESTROY(m_hrc) == FALSE)

{

goto END;

}

bRes = TRUE;

END:

return bRes;

}

//Descriptiong:

// Get the character

//Parameters:

// pWchar: [out] The character get to be stored

// iCount: [in] The number of pWchar

//Return Values:

// 0: Failed

// >0: The number of the characters to return

int CRecognizer::GetCharacter(WCHAR *pWchar, int iCount)

{

int iGetNum = 0;

int i = 0;

HWXRESULTS *phwxResults;

//Because each HWXRESULTS after the first one could store two characters,

//so only allocate (iCount / 2 + 1)

int iNum = iCount / 2 + 1;

phwxResults = new HWXRESULTS[iNum];

memset(phwxResults,0,iNum * sizeof(HWXRESULTS));

//End the input

if(HWXENDINPUT(m_hrc) == FALSE)

{

goto END;

}

//Analyze the information

if(HWXPROCESS(m_hrc) == FALSE)