tts_sapi5.cpp

Powerful and Portable GPS application -- support Linux, Windows, Windows CE GPS navigation and Map m

/*
 *  Roadnav
 *  TTS_SAPI5.cpp
 *
 *  Copyright (c) 2004 - 2007 Richard L. Lynch <[e-mail]>
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of version 2 of the GNU General Public License
 *  as published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

//////////////////////////////////////////////////////////////////////////////
/// \file
///
/// Text to speech functions using Microsoft SAPI 5
///
//////////////////////////////////////////////////////////////////////////////

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#ifdef _MSC_VER
#pragma warning(disable: 4786)
#endif

#ifdef USE_SAPI5

#include <wx/wx.h>

#include "TTS_SAPI5.h"

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Initialize TTS
///
//////////////////////////////////////////////////////////////////////////////
TTS_SAPI5::TTS_SAPI5()
{
	m_cpVoice = NULL;
	
	if (FAILED(m_cpVoice.CoCreateInstance(CLSID_SpVoice)))
	{
		m_strLastError = wxT("Error initializing Microsoft SAPI 5");
		return;
	}
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Clean up TTS
///
//////////////////////////////////////////////////////////////////////////////
TTS_SAPI5::~TTS_SAPI5()
{
	if (m_cpVoice)
		m_cpVoice.Release();

	m_cpVoice = NULL;
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Name of this TTS engine
///
//////////////////////////////////////////////////////////////////////////////
wxString TTS_SAPI5::Name()
{
	return wxT("Microsoft SAPI 5");
}



//////////////////////////////////////////////////////////////////////////////
///
/// \brief Say some stuff using TTS
///
//////////////////////////////////////////////////////////////////////////////
ITTS::ETTSStatus TTS_SAPI5::Speak(const wxString & strText)
{
	if (!m_cpVoice)
	{
		// not initialized (MS SAPI 5 probably not installed)
		return ITTS::TTSErrorDisableGPS;
	}

	m_cpVoice->Speak(strText.wc_str(*wxConvCurrent), 0, NULL);

	return ITTS::TTSStatusOK;
}


//////////////////////////////////////////////////////////////////////////////
///
/// \brief Retrieve last error message
///
//////////////////////////////////////////////////////////////////////////////
wxString TTS_SAPI5::GetLastError()
{
	return m_strLastError;
}

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Retrieve engine status
///
//////////////////////////////////////////////////////////////////////////////
ITTS::ETTSStatus TTS_SAPI5::GetStatus()
{
	if (!m_cpVoice)
	{
		// not initialized (MS SAPI 5 probably not installed)
		return ITTS::TTSErrorDisableGPS;
	}

	return ITTS::TTSStatusOK;
}

#endif // #ifdef USE_SAPI5