include/usp10.h

/*
 * Copyright (C) 2005 Steven Edwards
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __USP10_H
#define __USP10_H

typedef struct tag_SCRIPT_CONTROL {
  DWORD uDefaultLanguage	:16;
  DWORD fContextDigits		:1;
  DWORD fInvertPreBoundDir	:1;
  DWORD fInvertPostBoundDir	:1;
  DWORD fLinkStringBefore	:1;
  DWORD fLinkStringAfter	:1;
  DWORD fNeutralOverride	:1;
  DWORD fNumericOverride	:1;
  DWORD fLegacyBidiClass	:1;
  DWORD fReserved		:8;
} SCRIPT_CONTROL;

typedef struct {
  DWORD langid			:16;
  DWORD fNumeric		:1;
  DWORD fComplex		:1;     
  DWORD fNeedsWordBreaking	:1;     
  DWORD fNeedsCaretInfo		:1;
  DWORD bCharSet		:8;
  DWORD fControl		:1;
  DWORD fPrivateUseArea		:1;
  DWORD fNeedsCharacterJustify	:1;
  DWORD fInvalidGlyph		:1;
  DWORD fInvalidLogAttr		:1;
  DWORD fCDM			:1;
  DWORD fAmbiguousCharSet	:1;
  DWORD fClusterSizeVaries	:1;
  DWORD fRejectInvalid		:1;
} SCRIPT_PROPERTIES;

typedef struct tag_SCRIPT_STATE {
  WORD uBidiLevel		:5;
  WORD fOverrideDirection	:1;
  WORD fInhibitSymSwap		:1;
  WORD fCharShape		:1;
  WORD fDigitSubstitute		:1;
  WORD fInhibitLigate		:1;
  WORD fDisplayZWG		:1;
  WORD fArabicNumContext	:1;
  WORD fGcpClusters		:1;
  WORD fReserved		:1;
  WORD fEngineReserved		:2;
} SCRIPT_STATE;

typedef struct tag_SCRIPT_ANALYSIS {
  WORD eScript			:10;
  WORD fRTL			:1;
  WORD fLayoutRTL		:1;
  WORD fLinkBefore		:1;
  WORD fLinkAfter		:1;
  WORD fLogicalOrder		:1;
  WORD fNoGlyphIndex		:1;
  SCRIPT_STATE 	s;
} SCRIPT_ANALYSIS;

typedef struct tag_SCRIPT_ITEM {
  int iCharPos;
  SCRIPT_ANALYSIS a;
} SCRIPT_ITEM;

typedef struct tag_SCRIPT_DIGITSUBSTITUTE {
  DWORD NationalDigitLanguage		:16;
  DWORD TraditionalDigitLanguage	:16;
  DWORD DigitSubstitute			:8;
  DWORD dwReserved;
} SCRIPT_DIGITSUBSTITUTE;

typedef struct tag_SCRIPT_FONTPROPERTIES {
  int   cBytes;
  WORD wgBlank;
  WORD wgDefault;
  WORD wgInvalid;
  WORD wgKashida;
  int iKashidaWidth;
} SCRIPT_FONTPROPERTIES;

typedef void *SCRIPT_CACHE;

/* Function Declairations */

HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***ppSp, int *piNumScripts);
HRESULT WINAPI ScriptRecordDigitSubstitution(LCID Locale, SCRIPT_DIGITSUBSTITUTE *psds);
HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE* psds, 
                                            SCRIPT_CONTROL* psc, SCRIPT_STATE* pss);
HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems, 
                             const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState, 
                             SCRIPT_ITEM *pItems, int *pcItems);
HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp);

#endif /* __USP10_H */