/***************************************************************************************
 *
 *  WRITEPAD(r): Handwriting Recognition Engine (HWRE) and components.
 *  Copyright (c) 2001-2017 PhatWare (r) Corp. All rights reserved.
 *
 *  Licensing and other inquires: <developer@phatware.com>
 *  Developer: Stan Miasnikov, et al. (c) PhatWare Corp. <http://www.phatware.com>
 *
 *  WRITEPAD HWRE 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
 *  AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
 *  INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
 *  FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL PHATWARE CORP.
 *  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL,
 *  INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER,
 *  INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE, SAVINGS
 *  OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR NOT PHATWARE CORP.
 *  HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
 *  POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
 *  See the GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with WritePad.  If not, see <http://www.gnu.org/licenses/>.
 *
 **************************************************************************************/

#ifndef __RecognizerWrapper_h__
#define __RecognizerWrapper_h__

#include "RecognizerApi.h"
#include "InkWrapper.h"


#if defined(__cplusplus)
extern "C"
{
#endif
	
    typedef void * RECOGNIZER_PTR;

    typedef struct _hwr_version {
        UInt16 nMajor;
        UInt16 nMinor;
        UInt16 nBuild;
        UInt16 reserved;
    } HWR_VERSION, * PHWR_VERSION;

	
// #define RecoStringEncoding	    NSUnicodeStringEncoding
#define RecoStringEncoding		NSWindowsCP1252StringEncoding // NSISOLatin1StringEncoding
    
#define USER_SHORTCUT_FILE		"usershortcuts.csv"
#define DICTIONARY_EXT          "dct"
#define kEmptyWord				"<--->"
	
	enum  {
		kDictionaryType_Main = 0,
		kDictionaryType_Alternative,
		kDictionaryType_User
	};
	
	typedef int (RECO_ONGOTWORDLIST)( const UCHR * szWordFrom, const UCHR * szWordTo, unsigned int nFlags, void * pParam );
	typedef RECO_ONGOTWORDLIST * PRECO_ONGOTWORDLIST;

    // recognizer Info
    const char *    HWR_Description(void);
    const char *    HWR_ID(void);
    int             HWR_Capabilities(void);
    PHWR_VERSION    HWR_Version(void);
    BOOL            HWR_IsLanguageSupported( int langID );
    int             HWR_GetSupportedLanguages( int ** languages );

	// recognizer library language ID
	int				HWR_GetLanguageID( RECOGNIZER_PTR pRecognizer );
	const char *	HWR_GetLanguageName( RECOGNIZER_PTR pRecognizer );

	// recognition API
	RECOGNIZER_PTR	HWR_InitRecognizer( const char * inDictionaryMain, const char * inDictionaryCustom, const char * inLearner, const char * inAutoCorrect, int language, int * pFlags );
	RECOGNIZER_PTR  HWR_InitRecognizerFromMemory( const char * inDictionaryMain, const char * inDictionaryCustom, const char * inLearner, const char * inAutoCorrect, int language, int * pFlags );

	void			HWR_FreeRecognizer( RECOGNIZER_PTR pRecognizer, const char * inDictionaryCustom, const char * inLearner, const char * inWordList );
	BOOL			HWR_RecognizerAddStroke( RECOGNIZER_PTR pRecognizer, CGStroke pStroke, int nStrokeCnt );
	BOOL			HWR_Recognize( RECOGNIZER_PTR pRecognizer );
	BOOL			HWR_Reset( RECOGNIZER_PTR pRecognizer );
    const UCHR *    HWR_RecognizeInkData( RECOGNIZER_PTR pRecognizer, INK_DATA_PTR pInkData, int nFirstStroke, int nLastStroke, BOOL bAsync, BOOL bFlipY, BOOL bSort, BOOL bSelOnly  );
    BOOL			HWR_PreRecognizeInkData( RECOGNIZER_PTR pRecognizer, INK_DATA_PTR pInkData, int nDataLen, BOOL bFlipY );
	const UCHR *	HWR_GetResult( RECOGNIZER_PTR pRecognizer );
	USHORT			HWR_GetResultWeight( RECOGNIZER_PTR pRecognizer, int nWord, int nAlternative );
	const UCHR *	HWR_GetResultWord( RECOGNIZER_PTR pRecognizer, int nWord, int nAlternative );
	int 			HWR_GetResultStrokesNumber( RECOGNIZER_PTR pRecognizer, int nWord, int nAlternative );
	int				HWR_GetResultWordCount( RECOGNIZER_PTR pRecognizer );
	int				HWR_GetResultAlternativeCount( RECOGNIZER_PTR pRecognizer, int nWord );
	int				HWR_SetRecognitionMode( RECOGNIZER_PTR pRecognizer, int nNewMode );
	int				HWR_GetRecognitionMode( RECOGNIZER_PTR pRecognizer );
    int             HWR_GetStrokeIDs( RECOGNIZER_PTR pRecognizer, int word, int altrnative, const int ** strokes );
	unsigned int	HWR_SetRecognitionFlags( RECOGNIZER_PTR pRecognizer, unsigned int newFlags );
	unsigned int	HWR_GetRecognitionFlags( RECOGNIZER_PTR pRecognizer );
	void			HWR_StopAsyncReco( RECOGNIZER_PTR pRecognizer );
	void			HWR_SetCustomCharset( RECOGNIZER_PTR pRecognizer, const UCHR * pCustomNum, const UCHR  * pCustPunct );
    BOOL            HWR_RecognizeSymbol( RECOGNIZER_PTR pRecognizer, INK_DATA_PTR pInkData, int base, int charsize );

	// simple calculator functions
	BOOL			HWR_EnablePhatCalc( RECOGNIZER_PTR pRecognizer, BOOL bEnable );
	const UCHR *	HWR_CalculateString( RECOGNIZER_PTR pRecognizer, const UCHR * pszString );
	
	// autocorrector functions
	BOOL			HWR_SaveWordList( RECOGNIZER_PTR pRecognizer, const char * inWordListFile );
	int				HWR_EnumWordList( RECOGNIZER_PTR pRecognizer, RECO_ONGOTWORDLIST callback, void * pParam );
	BOOL			HWR_EmptyWordList( RECOGNIZER_PTR pRecognizer );
	BOOL			HWR_AddWordToWordList( RECOGNIZER_PTR pRecognizer, const UCHR * pszWord1, const UCHR * pszWord2, int dwFlags, BOOL bReplace );
	BOOL			HWR_ResetAutoCorrector( RECOGNIZER_PTR pRecognizer, const char * inWordListFile );
	const UCHR *	HWR_AutocorrectWord( RECOGNIZER_PTR pRecognizer, const UCHR * pszWord );
	BOOL			HWR_ReloadAutoCorrector( RECOGNIZER_PTR pRecognizer, const char * inWordListFile );
	BOOL			HWR_ImportWordList( RECOGNIZER_PTR pRecognizer, const char * inImportFile );
	BOOL			HWR_ExportWordList( RECOGNIZER_PTR pRecognizer, const char * inExportFile );
	int				HWR_GetAutocorrectorData( RECOGNIZER_PTR pRecognizer, char **ppData );
	BOOL			HWR_SetAutocorrectorData( RECOGNIZER_PTR pRecognizer, const char *pData );

	// learner functions
	BOOL			HWR_ResetLearner( RECOGNIZER_PTR pRecognizer, const char * inLearnerFile );
	BOOL			HWR_AnalyzeWordList( RECOGNIZER_PTR pRecognizer, const UCHR *pszWordList, UCHR *pszResult );
	BOOL			HWR_LearnNewWord( RECOGNIZER_PTR pRecognizer, const UCHR * pszWord, USHORT nWeight );
	BOOL			HWR_ReplaceWord( RECOGNIZER_PTR pRecognizer, const UCHR * pszWord1, USHORT nWeight1, const UCHR * pszWord2, USHORT nWeight2 );
	BOOL			HWR_ReloadLearner( RECOGNIZER_PTR pRecognizer, const char * inDictionaryCustom );
	BOOL			HWR_SaveLearner( RECOGNIZER_PTR pRecognizer, const char * pszFileName );
	int				HWR_GetLearnerData( RECOGNIZER_PTR pRecognizer, char **ppData );
	BOOL			HWR_SetLearnerData( RECOGNIZER_PTR pRecognizer, const char *pData );	

	// dictionary functions
	const UCHR *	HWR_WordFlipCase( RECOGNIZER_PTR pRecognizer, const UCHR * pszWord );
    const UCHR *    HWR_WordEnsureLowerCase( RECOGNIZER_PTR pRecognizer, const UCHR * pszWord );
	int				HWR_EnumUserWords( RECOGNIZER_PTR pRecognizer, PRECO_ONGOTWORD callback, void * pParam );
	BOOL			HWR_NewUserDict( RECOGNIZER_PTR pRecognizer );
	BOOL			HWR_SaveUserDict( RECOGNIZER_PTR pRecognizer, const char * inDictionaryCustom );
	BOOL			HWR_IsWordInDict( RECOGNIZER_PTR pRecognizer, const UCHR * pszWord );
	BOOL			HWR_AddUserWordToDict( RECOGNIZER_PTR pRecognizer, const UCHR * pszWord, BOOL filter );
	int				HWR_SpellCheckWord( RECOGNIZER_PTR pRecognizer, const UCHR *pszWord, UCHR *pszAnswer, int cbSize, int flags );
	BOOL			HWR_SetDictionaryData( RECOGNIZER_PTR pRecognizer, const char *pData, int nDictType );
	int				HWR_GetDictionaryData( RECOGNIZER_PTR pRecognizer, char ** ppData, int nDictType );
	BOOL			HWR_HasDictionaryChanged( RECOGNIZER_PTR pRecognizer, int nDictType );
	int				HWR_GetDictionaryLength( RECOGNIZER_PTR pRecognizer, int nDictType );
	BOOL			HWR_ResetUserDict( RECOGNIZER_PTR pRecognizer, const char * inDictionaryCustom );
	BOOL			HWR_ExportUserDictionary( RECOGNIZER_PTR pRecognizer, const char * inExportFile );
	BOOL			HWR_ImportUserDictionary( RECOGNIZER_PTR pRecognizer, const char * inImportFile );
	BOOL			HWR_ReloadUserDict( RECOGNIZER_PTR pRecognizer, const char * inDictionaryCustom );
	BOOL			HWR_LoadAlternativeDict( RECOGNIZER_PTR pRecognizer, const char * inDictionaryAlt );
	
	// letter shapes (added in version 5)
	BOOL			HWR_SetDefaultShapes( RECOGNIZER_PTR pRecognizer );
	BOOL			HWR_SetLetterShapes( RECOGNIZER_PTR pRecognizer, const unsigned char * pShapes );
	const unsigned char *	HWR_GetLetterShapes( RECOGNIZER_PTR pRecognizer );
	
	// external resource set function
	BOOL			HWR_SetExternalResource( int lang, const void* data );

#if defined(__cplusplus)
}
#endif

#endif
