include/usp10.h

   1 /*
   2  * Copyright (C) 2005 Steven Edwards
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #ifndef __USP10_H
  20 #define __USP10_H
  21
  22 /** ScriptStringAnalyse */
  23 #define  SSA_PASSWORD         0x00000001
  24 #define  SSA_TAB              0x00000002
  25 #define  SSA_CLIP             0x00000004
  26 #define  SSA_FIT              0x00000008
  27 #define  SSA_DZWG             0x00000010
  28 #define  SSA_FALLBACK         0x00000020
  29 #define  SSA_BREAK            0x00000040
  30 #define  SSA_GLYPHS           0x00000080
  31 #define  SSA_RTL              0x00000100
  32 #define  SSA_GCP              0x00000200
  33 #define  SSA_HOTKEY           0x00000400
  34 #define  SSA_METAFILE         0x00000800
  35 #define  SSA_LINK             0x00001000
  36 #define  SSA_HIDEHOTKEY       0x00002000
  37 #define  SSA_HOTKEYONLY       0x00002400
  38 #define  SSA_FULLMEASURE      0x04000000
  39 #define  SSA_LPKANSIFALLBACK  0x08000000
  40 #define  SSA_PIDX             0x10000000
  41 #define  SSA_LAYOUTRTL        0x20000000
  42 #define  SSA_DONTGLYPH        0x40000000
  43 #define  SSA_NOKASHIDA        0x80000000
  44
  45 /** StringIsComplex */
  46 #define  SIC_COMPLEX     1
  47 #define  SIC_ASCIIDIGIT  2
  48 #define  SIC_NEUTRAL     4
  49
  50 typedef struct tag_SCRIPT_CONTROL {
  51   DWORD uDefaultLanguage        :16;
  52   DWORD fContextDigits          :1;
  53   DWORD fInvertPreBoundDir      :1;
  54   DWORD fInvertPostBoundDir     :1;
  55   DWORD fLinkStringBefore       :1;
  56   DWORD fLinkStringAfter        :1;
  57   DWORD fNeutralOverride        :1;
  58   DWORD fNumericOverride        :1;
  59   DWORD fLegacyBidiClass        :1;
  60   DWORD fReserved               :8;
  61 } SCRIPT_CONTROL;
  62
  63 typedef struct {
  64   DWORD langid                  :16;
  65   DWORD fNumeric                :1;
  66   DWORD fComplex                :1;
  67   DWORD fNeedsWordBreaking      :1;
  68   DWORD fNeedsCaretInfo         :1;
  69   DWORD bCharSet                :8;
  70   DWORD fControl                :1;
  71   DWORD fPrivateUseArea         :1;
  72   DWORD fNeedsCharacterJustify  :1;
  73   DWORD fInvalidGlyph           :1;
  74   DWORD fInvalidLogAttr         :1;
  75   DWORD fCDM                    :1;
  76   DWORD fAmbiguousCharSet       :1;
  77   DWORD fClusterSizeVaries      :1;
  78   DWORD fRejectInvalid          :1;
  79 } SCRIPT_PROPERTIES;
  80
  81 typedef struct tag_SCRIPT_STATE {
  82   WORD uBidiLevel               :5;
  83   WORD fOverrideDirection       :1;
  84   WORD fInhibitSymSwap          :1;
  85   WORD fCharShape               :1;
  86   WORD fDigitSubstitute         :1;
  87   WORD fInhibitLigate           :1;
  88   WORD fDisplayZWG              :1;
  89   WORD fArabicNumContext        :1;
  90   WORD fGcpClusters             :1;
  91   WORD fReserved                :1;
  92   WORD fEngineReserved          :2;
  93 } SCRIPT_STATE;
  94
  95 typedef struct tag_SCRIPT_ANALYSIS {
  96   WORD eScript                  :10;
  97   WORD fRTL                     :1;
  98   WORD fLayoutRTL               :1;
  99   WORD fLinkBefore              :1;
 100   WORD fLinkAfter               :1;
 101   WORD fLogicalOrder            :1;
 102   WORD fNoGlyphIndex            :1;
 103   SCRIPT_STATE  s;
 104 } SCRIPT_ANALYSIS;
 105
 106 typedef struct tag_SCRIPT_ITEM {
 107   int iCharPos;
 108   SCRIPT_ANALYSIS a;
 109 } SCRIPT_ITEM;
 110
 111 typedef struct tag_SCRIPT_DIGITSUBSTITUTE {
 112   DWORD NationalDigitLanguage           :16;
 113   DWORD TraditionalDigitLanguage        :16;
 114   DWORD DigitSubstitute                 :8;
 115   DWORD dwReserved;
 116 } SCRIPT_DIGITSUBSTITUTE;
 117
 118 typedef struct tag_SCRIPT_FONTPROPERTIES {
 119   int   cBytes;
 120   WORD wgBlank;
 121   WORD wgDefault;
 122   WORD wgInvalid;
 123   WORD wgKashida;
 124   int iKashidaWidth;
 125 } SCRIPT_FONTPROPERTIES;
 126
 127 typedef struct tag_SCRIPT_TABDEF {
 128   int cTabStops;
 129   int iScale;
 130   int *pTabStops;
 131   int iTabOrigin;
 132 } SCRIPT_TABDEF;
 133
 134 typedef void *SCRIPT_CACHE;
 135 typedef void *SCRIPT_STRING_ANALYSIS;
 136
 137 /* Function Declairations */
 138
 139 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***ppSp, int *piNumScripts);
 140 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID Locale, SCRIPT_DIGITSUBSTITUTE *psds);
 141 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE* psds,
 142                                             SCRIPT_CONTROL* psc, SCRIPT_STATE* pss);
 143 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
 144                              const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
 145                              SCRIPT_ITEM *pItems, int *pcItems);
 146 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp);
 147 HRESULT WINAPI ScriptStringAnalyse(HDC hdc,
 148                                    const void *pString,
 149                                    int cString,
 150                                    int cGlyphs,
 151                                    int iCharset,
 152                                    DWORD dwFlags,
 153                                    int iReqWidth,
 154                                    SCRIPT_CONTROL *psControl,
 155                                    SCRIPT_STATE *psState,
 156                                    const int *piDx,
 157                                    SCRIPT_TABDEF *pTabdef,
 158                                    const BYTE *pbInClass,
 159                                    SCRIPT_STRING_ANALYSIS *pssa);
 160 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa);
 161 HRESULT WINAPI ScriptIsComplex(const WCHAR* pwcInChars, int cInChars, DWORD dwFlags);
 162
 163 #endif /* __USP10_H */