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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef BACKENDS_TEXT_TO_SPEECH_ABSTRACT_H
#define BACKENDS_TEXT_TO_SPEECH_ABSTRACT_H
#include "common/scummsys.h"
#if defined(USE_TTS)
#include "common/array.h"
#include "common/debug.h"
namespace Common {
class TTSVoice {
friend class TextToSpeechManager;
public:
enum Gender {
MALE,
FEMALE,
UNKNOWN
};
public:
TTSVoice()
: _gender(UNKNOWN)
, _data(nullptr)
, _description("") {}
TTSVoice(Gender gender, void *data, String description)
: _gender(gender)
, _data(data)
, _description(description) {}
Gender getGender() { return _gender; };
void setGender(Gender gender) { _gender = gender; };
void setData(void *data) { _data = data; };
void *getData() { return _data; };
String getDescription() { return _description; };
protected:
Gender _gender;
void *_data;
String _description;
};
struct TTSState {
int _rate;
int _pitch;
int _volume;
String _language;
int _activeVoice;
Array<TTSVoice> _availaibleVoices;
TTSState *_next;
};
/**
* The TextToSpeechManager allows speech synthesis.
*
*/
class TextToSpeechManager {
public:
TextToSpeechManager();
virtual ~TextToSpeechManager();
virtual bool say(String str) { return false; }
virtual bool stop() { return false; }
virtual bool pause() { return false; }
virtual bool resume() { return false; }
virtual bool isSpeaking() { return false; }
virtual bool isPaused() { return false; }
virtual bool isReady() { return false; }
virtual void setVoice(unsigned index) {}
TTSVoice getVoice() { return _ttsState->_availaibleVoices[_ttsState->_activeVoice]; }
virtual void setRate(int rate) {}
int getRate() { return _ttsState->_rate; }
virtual void setPitch(int pitch) {}
int getPitch() { return _ttsState->_pitch; }
virtual void setVolume(unsigned volume) {}
virtual int getVolume() { return _ttsState->_volume; }
virtual void setLanguage(String language) {}
String getLanguage() { return _ttsState->_language; }
Array<TTSVoice> getVoicesArray() { return _ttsState->_availaibleVoices; }
void pushState();
bool popState();
protected:
TTSState *_ttsState;
virtual void updateVoices() {};
};
} // End of namespace Common
#endif
#endif // BACKENDS_TEXT_TO_SPEECH_ABSTRACT_H
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