reactos/dll/win32/usp10/usp10_internal.h

   1 /*
   2  * Implementation of Uniscribe Script Processor (usp10.dll)
   3  *
   4  * Copyright 2010 CodeWeavers, Aric Stewart
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  */
  21
  22 #define Script_Syriac  8
  23 #define Script_Hebrew  7
  24 #define Script_Arabic  6
  25 #define Script_Latin   1
  26 #define Script_Numeric 5
  27 #define Script_CR      22
  28 #define Script_LF      23
  29
  30 #define GLYPH_BLOCK_SHIFT 8
  31 #define GLYPH_BLOCK_SIZE  (1UL << GLYPH_BLOCK_SHIFT)
  32 #define GLYPH_BLOCK_MASK  (GLYPH_BLOCK_SIZE - 1)
  33 #define GLYPH_MAX         65536
  34
  35 typedef struct {
  36     LOGFONTW lf;
  37     TEXTMETRICW tm;
  38     WORD *glyphs[GLYPH_MAX / GLYPH_BLOCK_SIZE];
  39     ABC *widths[GLYPH_MAX / GLYPH_BLOCK_SIZE];
  40     LPVOID *GSUB_Table;
  41 } ScriptCache;
  42
  43 #define odd(x) ((x) & 1)
  44
  45 BOOL BIDI_DetermineLevels( LPCWSTR lpString, INT uCount, const SCRIPT_STATE *s,
  46                 const SCRIPT_CONTROL *c, WORD *lpOutLevels );
  47
  48 INT BIDI_ReorderV2lLevel(int level, int *pIndexs, const BYTE* plevel, int cch, BOOL fReverse);
  49 INT BIDI_ReorderL2vLevel(int level, int *pIndexs, const BYTE* plevel, int cch, BOOL fReverse);
  50 void SHAPE_ShapeArabicGlyphs(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs);