* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
-#include <stdarg.h>
-
-#include "windef.h"
-#include "winbase.h"
-#include "wingdi.h"
-#include "winuser.h"
-#include "winnls.h"
-#include "usp10.h"
-#include "winternl.h"
#include "usp10_internal.h"
-#include "wine/debug.h"
-
WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
#define FIRST_ARABIC_CHAR 0x0600
#define LAST_ARABIC_CHAR 0x06ff
+typedef VOID (*ContextualShapingProc)(HDC, ScriptCache*, SCRIPT_ANALYSIS*,
+ WCHAR*, INT, WORD*, INT*, INT, WORD*);
+
+static void ContextualShape_Control(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Arabic(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Hebrew(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Syriac(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Thaana(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Phags_pa(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Thai(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Lao(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Sinhala(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Devanagari(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Bengali(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Gurmukhi(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Gujarati(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Oriya(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Tamil(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Telugu(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Kannada(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Malayalam(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Khmer(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+static void ContextualShape_Mongolian(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
+
+typedef VOID (*ShapeCharGlyphPropProc)( HDC , ScriptCache*, SCRIPT_ANALYSIS*, const WCHAR*, const INT, const WORD*, const INT, WORD*, SCRIPT_CHARPROP*, SCRIPT_GLYPHPROP*);
+
+static void ShapeCharGlyphProp_Default( ScriptCache* psc, SCRIPT_ANALYSIS* psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD* pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP* pGlyphProp);
+static void ShapeCharGlyphProp_Control( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Latin( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Arabic( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Hebrew( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Thai( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_None( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Tibet( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Sinhala( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Devanagari( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Bengali( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Gurmukhi( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Gujarati( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Oriya( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Tamil( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Telugu( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Kannada( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Malayalam( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+static void ShapeCharGlyphProp_Khmer( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp );
+
+extern const unsigned short indic_syllabic_table[];
extern const unsigned short wine_shaping_table[];
extern const unsigned short wine_shaping_forms[LAST_ARABIC_CHAR - FIRST_ARABIC_CHAR + 1][4];
Xn=0,
Xr,
Xl,
- Xm
-};
-
-#ifdef WORDS_BIGENDIAN
-#define GET_BE_WORD(x) (x)
-#else
-#define GET_BE_WORD(x) RtlUshortByteSwap(x)
-#endif
-
-/* These are all structures needed for the GSUB table */
-#define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
- ( ( (ULONG)_x4 << 24 ) | \
- ( (ULONG)_x3 << 16 ) | \
- ( (ULONG)_x2 << 8 ) | \
- (ULONG)_x1 )
-
-#define GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
-#define GSUB_E_NOFEATURE -2
-#define GSUB_E_NOGLYPH -1
-
-typedef struct {
- DWORD version;
- WORD ScriptList;
- WORD FeatureList;
- WORD LookupList;
-} GSUB_Header;
-
-typedef struct {
- CHAR ScriptTag[4];
- WORD Script;
-} GSUB_ScriptRecord;
-
-typedef struct {
- WORD ScriptCount;
- GSUB_ScriptRecord ScriptRecord[1];
-} GSUB_ScriptList;
-
-typedef struct {
- CHAR LangSysTag[4];
- WORD LangSys;
-} GSUB_LangSysRecord;
-
-typedef struct {
- WORD DefaultLangSys;
- WORD LangSysCount;
- GSUB_LangSysRecord LangSysRecord[1];
-} GSUB_Script;
-
-typedef struct {
- WORD LookupOrder; /* Reserved */
- WORD ReqFeatureIndex;
- WORD FeatureCount;
- WORD FeatureIndex[1];
-} GSUB_LangSys;
-
-typedef struct {
- CHAR FeatureTag[4];
- WORD Feature;
-} GSUB_FeatureRecord;
-
-typedef struct {
- WORD FeatureCount;
- GSUB_FeatureRecord FeatureRecord[1];
-} GSUB_FeatureList;
-
-typedef struct {
- WORD FeatureParams; /* Reserved */
- WORD LookupCount;
- WORD LookupListIndex[1];
-} GSUB_Feature;
-
-typedef struct {
- WORD LookupCount;
- WORD Lookup[1];
-} GSUB_LookupList;
-
-typedef struct {
- WORD LookupType;
- WORD LookupFlag;
- WORD SubTableCount;
- WORD SubTable[1];
-} GSUB_LookupTable;
-
-typedef struct {
- WORD CoverageFormat;
- WORD GlyphCount;
- WORD GlyphArray[1];
-} GSUB_CoverageFormat1;
-
-typedef struct {
- WORD Start;
- WORD End;
- WORD StartCoverageIndex;
-} GSUB_RangeRecord;
-
-typedef struct {
- WORD CoverageFormat;
- WORD RangeCount;
- GSUB_RangeRecord RangeRecord[1];
-} GSUB_CoverageFormat2;
-
-typedef struct {
- WORD SubstFormat; /* = 1 */
- WORD Coverage;
- WORD DeltaGlyphID;
-} GSUB_SingleSubstFormat1;
-
-typedef struct {
- WORD SubstFormat; /* = 2 */
- WORD Coverage;
- WORD GlyphCount;
- WORD Substitute[1];
-}GSUB_SingleSubstFormat2;
-
-typedef struct {
- WORD SubstFormat; /* = 1 */
- WORD Coverage;
- WORD LigSetCount;
- WORD LigatureSet[1];
-}GSUB_LigatureSubstFormat1;
-
-typedef struct {
- WORD LigatureCount;
- WORD Ligature[1];
-}GSUB_LigatureSet;
-
-typedef struct{
- WORD LigGlyph;
- WORD CompCount;
- WORD Component[1];
-}GSUB_Ligature;
-
-typedef struct{
- WORD SequenceIndex;
- WORD LookupListIndex;
-
-}GSUB_SubstLookupRecord;
-
-typedef struct{
- WORD SubstFormat; /* = 1 */
- WORD Coverage;
- WORD ChainSubRuleSetCount;
- WORD ChainSubRuleSet[1];
-}GSUB_ChainContextSubstFormat1;
-
-typedef struct {
- WORD SubstFormat; /* = 3 */
- WORD BacktrackGlyphCount;
- WORD Coverage[1];
-}GSUB_ChainContextSubstFormat3_1;
-
-typedef struct{
- WORD InputGlyphCount;
- WORD Coverage[1];
-}GSUB_ChainContextSubstFormat3_2;
-
-typedef struct{
- WORD LookaheadGlyphCount;
- WORD Coverage[1];
-}GSUB_ChainContextSubstFormat3_3;
-
-typedef struct{
- WORD SubstCount;
- GSUB_SubstLookupRecord SubstLookupRecord[1];
-}GSUB_ChainContextSubstFormat3_4;
-
-static INT GSUB_apply_lookup(const GSUB_LookupList* lookup, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count);
+ Xm,
+ /* Syriac Alaph */
+ Afj,
+ Afn,
+ Afx
+};
+
+typedef struct tagVowelComponents
+{
+ WCHAR base;
+ WCHAR parts[3];
+} VowelComponents;
+
+typedef struct tagConsonantComponents
+{
+ WCHAR parts[3];
+ WCHAR output;
+} ConsonantComponents;
+
+typedef void (*second_reorder_function)(LPWSTR pwChar, IndicSyllable *syllable,WORD* pwGlyphs, IndicSyllable* glyph_index, lexical_function lex);
+
+typedef int (*combining_lexical_function)(WCHAR c);
/* the orders of joined_forms and contextual_features need to line up */
static const char* contextual_features[] =
"isol",
"fina",
"init",
- "medi"
+ "medi",
+ /* Syriac Alaph */
+ "med2",
+ "fin2",
+ "fin3"
};
-static const char* arabic_GSUB_features[] =
+static OPENTYPE_FEATURE_RECORD standard_features[] =
{
- "rlig",
- "calt",
- "liga",
- "dlig",
- "cswh",
- "mset",
- NULL
+ { MS_MAKE_TAG('c','c','m','p'), 1},
+ { MS_MAKE_TAG('l','o','c','l'), 1},
};
-static INT GSUB_is_glyph_covered(LPCVOID table , UINT glyph)
+static OPENTYPE_FEATURE_RECORD latin_features[] =
{
- const GSUB_CoverageFormat1* cf1;
-
- cf1 = table;
-
- if (GET_BE_WORD(cf1->CoverageFormat) == 1)
- {
- int count = GET_BE_WORD(cf1->GlyphCount);
- int i;
- TRACE("Coverage Format 1, %i glyphs\n",count);
- for (i = 0; i < count; i++)
- if (glyph == GET_BE_WORD(cf1->GlyphArray[i]))
- return i;
- return -1;
- }
- else if (GET_BE_WORD(cf1->CoverageFormat) == 2)
- {
- const GSUB_CoverageFormat2* cf2;
- int i;
- int count;
- cf2 = (const GSUB_CoverageFormat2*)cf1;
-
- count = GET_BE_WORD(cf2->RangeCount);
- TRACE("Coverage Format 2, %i ranges\n",count);
- for (i = 0; i < count; i++)
- {
- if (glyph < GET_BE_WORD(cf2->RangeRecord[i].Start))
- return -1;
- if ((glyph >= GET_BE_WORD(cf2->RangeRecord[i].Start)) &&
- (glyph <= GET_BE_WORD(cf2->RangeRecord[i].End)))
- {
- return (GET_BE_WORD(cf2->RangeRecord[i].StartCoverageIndex) +
- glyph - GET_BE_WORD(cf2->RangeRecord[i].Start));
- }
- }
- return -1;
- }
- else
- ERR("Unknown CoverageFormat %i\n",GET_BE_WORD(cf1->CoverageFormat));
-
- return -1;
-}
+ { MS_MAKE_TAG('l','o','c','l'), 1},
+ { MS_MAKE_TAG('c','c','m','p'), 1},
+ { MS_MAKE_TAG('l','i','g','a'), 1},
+ { MS_MAKE_TAG('c','l','i','g'), 1},
+};
-static const GSUB_Script* GSUB_get_script_table( const GSUB_Header* header, const char* tag)
+static OPENTYPE_FEATURE_RECORD latin_gpos_features[] =
{
- const GSUB_ScriptList *script;
- const GSUB_Script *deflt = NULL;
- int i;
- script = (const GSUB_ScriptList*)((const BYTE*)header + GET_BE_WORD(header->ScriptList));
+ { MS_MAKE_TAG('k','e','r','n'), 1},
+ { MS_MAKE_TAG('m','a','r','k'), 1},
+ { MS_MAKE_TAG('m','k','m','k'), 1},
+};
- TRACE("%i scripts in this font\n",GET_BE_WORD(script->ScriptCount));
- for (i = 0; i < GET_BE_WORD(script->ScriptCount); i++)
- {
- const GSUB_Script *scr;
- int offset;
+static OPENTYPE_FEATURE_RECORD arabic_features[] =
+{
+ { MS_MAKE_TAG('r','l','i','g'), 1},
+ { MS_MAKE_TAG('c','a','l','t'), 1},
+ { MS_MAKE_TAG('l','i','g','a'), 1},
+ { MS_MAKE_TAG('d','l','i','g'), 1},
+ { MS_MAKE_TAG('c','s','w','h'), 1},
+ { MS_MAKE_TAG('m','s','e','t'), 1},
+};
- offset = GET_BE_WORD(script->ScriptRecord[i].Script);
- scr = (const GSUB_Script*)((const BYTE*)script + offset);
+static const char* required_arabic_features[] =
+{
+ "fina",
+ "init",
+ "medi",
+ "rlig",
+ NULL
+};
- if (strncmp(script->ScriptRecord[i].ScriptTag, tag,4)==0)
- return scr;
- if (strncmp(script->ScriptRecord[i].ScriptTag, "dflt",4)==0)
- deflt = scr;
- }
- return deflt;
-}
+static OPENTYPE_FEATURE_RECORD arabic_gpos_features[] =
+{
+ { MS_MAKE_TAG('c','u','r','s'), 1},
+ { MS_MAKE_TAG('k','e','r','n'), 1},
+ { MS_MAKE_TAG('m','a','r','k'), 1},
+ { MS_MAKE_TAG('m','k','m','k'), 1},
+};
-static const GSUB_LangSys* GSUB_get_lang_table( const GSUB_Script* script, const char* tag)
+static OPENTYPE_FEATURE_RECORD hebrew_features[] =
{
- int i;
- int offset;
- const GSUB_LangSys *Lang;
+ { MS_MAKE_TAG('c','c','m','p'), 1},
+ { MS_MAKE_TAG('d','l','i','g'), 0},
+};
- TRACE("Deflang %x, LangCount %i\n",GET_BE_WORD(script->DefaultLangSys), GET_BE_WORD(script->LangSysCount));
+static OPENTYPE_FEATURE_RECORD hebrew_gpos_features[] =
+{
+ { MS_MAKE_TAG('k','e','r','n'), 1},
+ { MS_MAKE_TAG('m','a','r','k'), 1},
+};
- for (i = 0; i < GET_BE_WORD(script->LangSysCount) ; i++)
- {
- offset = GET_BE_WORD(script->LangSysRecord[i].LangSys);
- Lang = (const GSUB_LangSys*)((const BYTE*)script + offset);
+static OPENTYPE_FEATURE_RECORD syriac_features[] =
+{
+ { MS_MAKE_TAG('r','l','i','g'), 1},
+ { MS_MAKE_TAG('c','a','l','t'), 1},
+ { MS_MAKE_TAG('l','i','g','a'), 1},
+ { MS_MAKE_TAG('d','l','i','g'), 1},
+};
- if ( strncmp(script->LangSysRecord[i].LangSysTag,tag,4)==0)
- return Lang;
- }
- offset = GET_BE_WORD(script->DefaultLangSys);
- if (offset)
- {
- Lang = (const GSUB_LangSys*)((const BYTE*)script + offset);
- return Lang;
- }
- return NULL;
-}
+static const char* required_syriac_features[] =
+{
+ "fina",
+ "fin2",
+ "fin3",
+ "init",
+ "medi",
+ "med2",
+ "rlig",
+ NULL
+};
-static const GSUB_Feature * GSUB_get_feature(const GSUB_Header *header, const GSUB_LangSys *lang, const char* tag)
+static OPENTYPE_FEATURE_RECORD syriac_gpos_features[] =
{
- int i;
- const GSUB_FeatureList *feature;
- feature = (const GSUB_FeatureList*)((const BYTE*)header + GET_BE_WORD(header->FeatureList));
+ { MS_MAKE_TAG('k','e','r','n'), 1},
+ { MS_MAKE_TAG('m','a','r','k'), 1},
+ { MS_MAKE_TAG('m','k','m','k'), 1},
+};
- TRACE("%i features\n",GET_BE_WORD(lang->FeatureCount));
- for (i = 0; i < GET_BE_WORD(lang->FeatureCount); i++)
- {
- int index = GET_BE_WORD(lang->FeatureIndex[i]);
- if (strncmp(feature->FeatureRecord[index].FeatureTag,tag,4)==0)
- {
- const GSUB_Feature *feat;
- feat = (const GSUB_Feature*)((const BYTE*)feature + GET_BE_WORD(feature->FeatureRecord[index].Feature));
- return feat;
- }
- }
- return NULL;
-}
+static OPENTYPE_FEATURE_RECORD sinhala_features[] =
+{
+ /* Presentation forms */
+ { MS_MAKE_TAG('b','l','w','s'), 1},
+ { MS_MAKE_TAG('a','b','v','s'), 1},
+ { MS_MAKE_TAG('p','s','t','s'), 1},
+};
-static INT GSUB_apply_SingleSubst(const GSUB_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+static OPENTYPE_FEATURE_RECORD tibetan_features[] =
{
- int j;
- TRACE("Single Substitution Subtable\n");
+ { MS_MAKE_TAG('a','b','v','s'), 1},
+ { MS_MAKE_TAG('b','l','w','s'), 1},
+};
- for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
- {
- int offset;
- const GSUB_SingleSubstFormat1 *ssf1;
- offset = GET_BE_WORD(look->SubTable[j]);
- ssf1 = (const GSUB_SingleSubstFormat1*)((const BYTE*)look+offset);
- if (GET_BE_WORD(ssf1->SubstFormat) == 1)
- {
- int offset = GET_BE_WORD(ssf1->Coverage);
- TRACE(" subtype 1, delta %i\n", GET_BE_WORD(ssf1->DeltaGlyphID));
- if (GSUB_is_glyph_covered((const BYTE*)ssf1+offset, glyphs[glyph_index]) != -1)
- {
- TRACE(" Glyph 0x%x ->",glyphs[glyph_index]);
- glyphs[glyph_index] = glyphs[glyph_index] + GET_BE_WORD(ssf1->DeltaGlyphID);
- TRACE(" 0x%x\n",glyphs[glyph_index]);
- return glyph_index + 1;
- }
- }
- else
- {
- const GSUB_SingleSubstFormat2 *ssf2;
- INT index;
- INT offset;
+static OPENTYPE_FEATURE_RECORD tibetan_gpos_features[] =
+{
+ { MS_MAKE_TAG('a','b','v','m'), 1},
+ { MS_MAKE_TAG('b','l','w','m'), 1},
+};
- ssf2 = (const GSUB_SingleSubstFormat2 *)ssf1;
- offset = GET_BE_WORD(ssf1->Coverage);
- TRACE(" subtype 2, glyph count %i\n", GET_BE_WORD(ssf2->GlyphCount));
- index = GSUB_is_glyph_covered((const BYTE*)ssf2+offset, glyphs[glyph_index]);
- TRACE(" Coverage index %i\n",index);
- if (index != -1)
- {
- TRACE(" Glyph is 0x%x ->",glyphs[glyph_index]);
- glyphs[glyph_index] = GET_BE_WORD(ssf2->Substitute[index]);
- TRACE("0x%x\n",glyphs[glyph_index]);
- return glyph_index + 1;
- }
- }
- }
- return GSUB_E_NOGLYPH;
-}
+static OPENTYPE_FEATURE_RECORD phags_features[] =
+{
+ { MS_MAKE_TAG('a','b','v','s'), 1},
+ { MS_MAKE_TAG('b','l','w','s'), 1},
+ { MS_MAKE_TAG('c','a','l','t'), 1},
+};
-static INT GSUB_apply_LigatureSubst(const GSUB_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+static OPENTYPE_FEATURE_RECORD thai_features[] =
{
- int j;
+ { MS_MAKE_TAG('c','c','m','p'), 1},
+};
- TRACE("Ligature Substitution Subtable\n");
- for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
- {
- const GSUB_LigatureSubstFormat1 *lsf1;
- int offset,index;
+static OPENTYPE_FEATURE_RECORD thai_gpos_features[] =
+{
+ { MS_MAKE_TAG('k','e','r','n'), 1},
+ { MS_MAKE_TAG('m','a','r','k'), 1},
+ { MS_MAKE_TAG('m','k','m','k'), 1},
+};
- offset = GET_BE_WORD(look->SubTable[j]);
- lsf1 = (const GSUB_LigatureSubstFormat1*)((const BYTE*)look+offset);
- offset = GET_BE_WORD(lsf1->Coverage);
- index = GSUB_is_glyph_covered((const BYTE*)lsf1+offset, glyphs[glyph_index]);
- TRACE(" Coverage index %i\n",index);
- if (index != -1)
- {
- const GSUB_LigatureSet *ls;
- int k, count;
+static const char* required_lao_features[] =
+{
+ "ccmp",
+ NULL
+};
- offset = GET_BE_WORD(lsf1->LigatureSet[index]);
- ls = (const GSUB_LigatureSet*)((const BYTE*)lsf1+offset);
- count = GET_BE_WORD(ls->LigatureCount);
- TRACE(" LigatureSet has %i members\n",count);
- for (k = 0; k < count; k++)
- {
- const GSUB_Ligature *lig;
- int CompCount,l,CompIndex;
-
- offset = GET_BE_WORD(ls->Ligature[k]);
- lig = (const GSUB_Ligature*)((const BYTE*)ls+offset);
- CompCount = GET_BE_WORD(lig->CompCount) - 1;
- CompIndex = glyph_index+write_dir;
- for (l = 0; l < CompCount && CompIndex >= 0 && CompIndex < *glyph_count; l++)
- {
- int CompGlyph;
- CompGlyph = GET_BE_WORD(lig->Component[l]);
- if (CompGlyph != glyphs[CompIndex])
- break;
- CompIndex += write_dir;
- }
- if (l == CompCount)
- {
- int replaceIdx = glyph_index;
- if (write_dir < 0)
- replaceIdx = glyph_index - CompCount;
-
- TRACE(" Glyph is 0x%x (+%i) ->",glyphs[glyph_index],CompCount);
- glyphs[replaceIdx] = GET_BE_WORD(lig->LigGlyph);
- TRACE("0x%x\n",glyphs[replaceIdx]);
- if (CompCount > 0)
- {
- int j;
- for (j = replaceIdx + 1; j < *glyph_count; j++)
- glyphs[j] =glyphs[j+CompCount];
- *glyph_count = *glyph_count - CompCount;
- }
- return replaceIdx + 1;
- }
- }
- }
- }
- return GSUB_E_NOGLYPH;
-}
+static const char* required_devanagari_features[] =
+{
+ "nukt",
+ "akhn",
+ "rphf",
+ "blwf",
+ "half",
+ "vatu",
+ "pres",
+ "abvs",
+ "blws",
+ "psts",
+ "haln",
+ NULL
+};
-static INT GSUB_apply_ChainContextSubst(const GSUB_LookupList* lookup, const GSUB_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+static OPENTYPE_FEATURE_RECORD devanagari_features[] =
{
- int j;
- BOOL done = FALSE;
+ { MS_MAKE_TAG('p','r','e','s'), 1},
+ { MS_MAKE_TAG('a','b','v','s'), 1},
+ { MS_MAKE_TAG('b','l','w','s'), 1},
+ { MS_MAKE_TAG('p','s','t','s'), 1},
+ { MS_MAKE_TAG('h','a','l','n'), 1},
+ { MS_MAKE_TAG('c','a','l','t'), 1},
+};
- TRACE("Chaining Contextual Substitution Subtable\n");
- for (j = 0; j < GET_BE_WORD(look->SubTableCount) && !done; j++)
- {
- const GSUB_ChainContextSubstFormat1 *ccsf1;
- int offset;
- int dirLookahead = write_dir;
- int dirBacktrack = -1 * write_dir;
+static OPENTYPE_FEATURE_RECORD devanagari_gpos_features[] =
+{
+ { MS_MAKE_TAG('k','e','r','n'), 1},
+ { MS_MAKE_TAG('d','i','s','t'), 1},
+ { MS_MAKE_TAG('a','b','v','m'), 1},
+ { MS_MAKE_TAG('b','l','w','m'), 1},
+};
- offset = GET_BE_WORD(look->SubTable[j]);
- ccsf1 = (const GSUB_ChainContextSubstFormat1*)((const BYTE*)look+offset);
- if (GET_BE_WORD(ccsf1->SubstFormat) == 1)
- {
- FIXME(" TODO: subtype 1 (Simple context glyph substitution)\n");
- return -1;
- }
- else if (GET_BE_WORD(ccsf1->SubstFormat) == 2)
- {
- FIXME(" TODO: subtype 2 (Class-based Chaining Context Glyph Substitution)\n");
- return -1;
- }
- else if (GET_BE_WORD(ccsf1->SubstFormat) == 3)
- {
- int k;
- int indexGlyphs;
- const GSUB_ChainContextSubstFormat3_1 *ccsf3_1;
- const GSUB_ChainContextSubstFormat3_2 *ccsf3_2;
- const GSUB_ChainContextSubstFormat3_3 *ccsf3_3;
- const GSUB_ChainContextSubstFormat3_4 *ccsf3_4;
- int newIndex = glyph_index;
+static OPENTYPE_FEATURE_RECORD myanmar_features[] =
+{
+ { MS_MAKE_TAG('l','i','g','a'), 1},
+ { MS_MAKE_TAG('c','l','i','g'), 1},
+};
- ccsf3_1 = (const GSUB_ChainContextSubstFormat3_1 *)ccsf1;
+static const char* required_bengali_features[] =
+{
+ "nukt",
+ "akhn",
+ "rphf",
+ "blwf",
+ "half",
+ "vatu",
+ "pstf",
+ "init",
+ "abvs",
+ "blws",
+ "psts",
+ "haln",
+ NULL
+};
- TRACE(" subtype 3 (Coverage-based Chaining Context Glyph Substitution)\n");
+static const char* required_gurmukhi_features[] =
+{
+ "nukt",
+ "akhn",
+ "rphf",
+ "blwf",
+ "half",
+ "pstf",
+ "vatu",
+ "cjct",
+ "pres",
+ "abvs",
+ "blws",
+ "psts",
+ "haln",
+ "calt",
+ NULL
+};
- for (k = 0; k < GET_BE_WORD(ccsf3_1->BacktrackGlyphCount); k++)
- {
- offset = GET_BE_WORD(ccsf3_1->Coverage[k]);
- if (GSUB_is_glyph_covered((const BYTE*)ccsf3_1+offset, glyphs[glyph_index + (dirBacktrack * (k+1))]) == -1)
- break;
- }
- if (k != GET_BE_WORD(ccsf3_1->BacktrackGlyphCount))
- return -1;
- TRACE("Matched Backtrack\n");
+static const char* required_oriya_features[] =
+{
+ "nukt",
+ "akhn",
+ "rphf",
+ "blwf",
+ "pstf",
+ "cjct",
+ "pres",
+ "abvs",
+ "blws",
+ "psts",
+ "haln",
+ "calt",
+ NULL
+};
- ccsf3_2 = (const GSUB_ChainContextSubstFormat3_2 *)(((LPBYTE)ccsf1)+sizeof(GSUB_ChainContextSubstFormat3_1) + (sizeof(WORD) * (GET_BE_WORD(ccsf3_1->BacktrackGlyphCount)-1)));
+static const char* required_tamil_features[] =
+{
+ "nukt",
+ "akhn",
+ "rphf",
+ "pref",
+ "half",
+ "pres",
+ "abvs",
+ "blws",
+ "psts",
+ "haln",
+ "calt",
+ NULL
+};
- indexGlyphs = GET_BE_WORD(ccsf3_2->InputGlyphCount);
- for (k = 0; k < indexGlyphs; k++)
- {
- offset = GET_BE_WORD(ccsf3_2->Coverage[k]);
- if (GSUB_is_glyph_covered((const BYTE*)ccsf3_1+offset, glyphs[glyph_index + (write_dir * k)]) == -1)
- break;
- }
- if (k != indexGlyphs)
- return -1;
- TRACE("Matched IndexGlyphs\n");
+static const char* required_telugu_features[] =
+{
+ "nukt",
+ "akhn",
+ "rphf",
+ "pref",
+ "half",
+ "pstf",
+ "cjct",
+ "pres",
+ "abvs",
+ "blws",
+ "psts",
+ "haln",
+ "calt",
+ NULL
+};
- ccsf3_3 = (const GSUB_ChainContextSubstFormat3_3 *)(((LPBYTE)ccsf3_2)+sizeof(GSUB_ChainContextSubstFormat3_2) + (sizeof(WORD) * (GET_BE_WORD(ccsf3_2->InputGlyphCount)-1)));
+static OPENTYPE_FEATURE_RECORD khmer_features[] =
+{
+ { MS_MAKE_TAG('p','r','e','s'), 1},
+ { MS_MAKE_TAG('b','l','w','s'), 1},
+ { MS_MAKE_TAG('a','b','v','s'), 1},
+ { MS_MAKE_TAG('p','s','t','s'), 1},
+ { MS_MAKE_TAG('c','l','i','g'), 1},
+};
- for (k = 0; k < GET_BE_WORD(ccsf3_3->LookaheadGlyphCount); k++)
- {
- offset = GET_BE_WORD(ccsf3_3->Coverage[k]);
- if (GSUB_is_glyph_covered((const BYTE*)ccsf3_1+offset, glyphs[glyph_index + (dirLookahead * (indexGlyphs + k+1))]) == -1)
- break;
- }
- if (k != GET_BE_WORD(ccsf3_3->LookaheadGlyphCount))
- return -1;
- TRACE("Matched LookAhead\n");
+static const char* required_khmer_features[] =
+{
+ "pref",
+ "blwf",
+ "abvf",
+ "pstf",
+ "pres",
+ "blws",
+ "abvs",
+ "psts",
+ "clig",
+ NULL
+};
- ccsf3_4 = (const GSUB_ChainContextSubstFormat3_4 *)(((LPBYTE)ccsf3_3)+sizeof(GSUB_ChainContextSubstFormat3_3) + (sizeof(WORD) * (GET_BE_WORD(ccsf3_3->LookaheadGlyphCount)-1)));
+static OPENTYPE_FEATURE_RECORD khmer_gpos_features[] =
+{
+ { MS_MAKE_TAG('d','i','s','t'), 1},
+ { MS_MAKE_TAG('b','l','w','m'), 1},
+ { MS_MAKE_TAG('a','b','v','m'), 1},
+ { MS_MAKE_TAG('m','k','m','k'), 1},
+};
- for (k = 0; k < GET_BE_WORD(ccsf3_4->SubstCount); k++)
- {
- int lookupIndex = GET_BE_WORD(ccsf3_4->SubstLookupRecord[k].LookupListIndex);
- int SequenceIndex = GET_BE_WORD(ccsf3_4->SubstLookupRecord[k].SequenceIndex) * write_dir;
+static OPENTYPE_FEATURE_RECORD ethiopic_features[] =
+{
+ { MS_MAKE_TAG('c','c','m','p'), 1},
+ { MS_MAKE_TAG('l','o','c','l'), 1},
+ { MS_MAKE_TAG('c','a','l','t'), 1},
+ { MS_MAKE_TAG('l','i','g','a'), 1},
+};
- TRACE("SUBST: %i -> %i %i\n",k, SequenceIndex, lookupIndex);
- newIndex = GSUB_apply_lookup(lookup, lookupIndex, glyphs, glyph_index + SequenceIndex, write_dir, glyph_count);
- if (newIndex == -1)
- {
- ERR("Chain failed to generate a glyph\n");
- return -1;
- }
- }
- return newIndex + 1;
- }
- }
- return -1;
-}
+static OPENTYPE_FEATURE_RECORD mongolian_features[] =
+{
+ { MS_MAKE_TAG('c','c','m','p'), 1},
+ { MS_MAKE_TAG('l','o','c','l'), 1},
+ { MS_MAKE_TAG('c','a','l','t'), 1},
+ { MS_MAKE_TAG('r','l','i','g'), 1},
+};
-static INT GSUB_apply_lookup(const GSUB_LookupList* lookup, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+typedef struct ScriptShapeDataTag {
+ TEXTRANGE_PROPERTIES defaultTextRange;
+ TEXTRANGE_PROPERTIES defaultGPOSTextRange;
+ const char** requiredFeatures;
+ OPENTYPE_TAG newOtTag;
+ ContextualShapingProc contextProc;
+ ShapeCharGlyphPropProc charGlyphPropProc;
+} ScriptShapeData;
+
+/* in order of scripts */
+static const ScriptShapeData ShapingData[] =
{
- int offset;
- const GSUB_LookupTable *look;
+ {{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
+ {{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
+ {{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
+ {{ standard_features, 2}, {NULL, 0}, NULL, 0, ContextualShape_Control, ShapeCharGlyphProp_Control},
+ {{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
+ {{ arabic_features, 6}, {arabic_gpos_features, 4}, required_arabic_features, 0, ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
+ {{ arabic_features, 6}, {arabic_gpos_features, 4}, required_arabic_features, 0, ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
+ {{ hebrew_features, 2}, {hebrew_gpos_features, 2}, NULL, 0, ContextualShape_Hebrew, ShapeCharGlyphProp_Hebrew},
+ {{ syriac_features, 4}, {syriac_gpos_features, 3}, required_syriac_features, 0, ContextualShape_Syriac, ShapeCharGlyphProp_None},
+ {{ arabic_features, 6}, {arabic_gpos_features, 4}, required_arabic_features, 0, ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, ContextualShape_Thaana, ShapeCharGlyphProp_None},
+ {{ standard_features, 2}, {latin_gpos_features, 3}, NULL, 0, NULL, NULL},
+ {{ standard_features, 2}, {latin_gpos_features, 3}, NULL, 0, NULL, NULL},
+ {{ standard_features, 2}, {latin_gpos_features, 3}, NULL, 0, NULL, NULL},
+ {{ standard_features, 2}, {latin_gpos_features, 3}, NULL, 0, NULL, NULL},
+ {{ sinhala_features, 3}, {NULL, 0}, NULL, 0, ContextualShape_Sinhala, ShapeCharGlyphProp_Sinhala},
+ {{ tibetan_features, 2}, {tibetan_gpos_features, 2}, NULL, 0, NULL, ShapeCharGlyphProp_Tibet},
+ {{ tibetan_features, 2}, {tibetan_gpos_features, 2}, NULL, 0, NULL, ShapeCharGlyphProp_Tibet},
+ {{ phags_features, 3}, {NULL, 0}, NULL, 0, ContextualShape_Phags_pa, ShapeCharGlyphProp_Thai},
+ {{ thai_features, 1}, {thai_gpos_features, 3}, NULL, 0, ContextualShape_Thai, ShapeCharGlyphProp_Thai},
+ {{ thai_features, 1}, {thai_gpos_features, 3}, NULL, 0, ContextualShape_Thai, NULL},
+ {{ thai_features, 1}, {thai_gpos_features, 3}, required_lao_features, 0, ContextualShape_Lao, ShapeCharGlyphProp_Thai},
+ {{ thai_features, 1}, {thai_gpos_features, 3}, required_lao_features, 0, ContextualShape_Lao, ShapeCharGlyphProp_Thai},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('d','e','v','2'), ContextualShape_Devanagari, ShapeCharGlyphProp_Devanagari},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('d','e','v','2'), ContextualShape_Devanagari, NULL},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_bengali_features, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali, ShapeCharGlyphProp_Bengali},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_bengali_features, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali, NULL},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_bengali_features, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali, ShapeCharGlyphProp_Bengali},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_gurmukhi_features, MS_MAKE_TAG('g','u','r','2'), ContextualShape_Gurmukhi, ShapeCharGlyphProp_Gurmukhi},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_gurmukhi_features, MS_MAKE_TAG('g','u','r','2'), ContextualShape_Gurmukhi, NULL},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('g','j','r','2'), ContextualShape_Gujarati, ShapeCharGlyphProp_Gujarati},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('g','j','r','2'), ContextualShape_Gujarati, NULL},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_devanagari_features, MS_MAKE_TAG('g','j','r','2'), ContextualShape_Gujarati, ShapeCharGlyphProp_Gujarati},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_oriya_features, MS_MAKE_TAG('o','r','y','2'), ContextualShape_Oriya, ShapeCharGlyphProp_Oriya},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_oriya_features, MS_MAKE_TAG('o','r','y','2'), ContextualShape_Oriya, NULL},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_tamil_features, MS_MAKE_TAG('t','a','m','2'), ContextualShape_Tamil, ShapeCharGlyphProp_Tamil},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_tamil_features, MS_MAKE_TAG('t','a','m','2'), ContextualShape_Tamil, NULL},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('t','e','l','2'), ContextualShape_Telugu, ShapeCharGlyphProp_Telugu},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('t','e','l','2'), ContextualShape_Telugu, NULL},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('k','n','d','2'), ContextualShape_Kannada, ShapeCharGlyphProp_Kannada},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('k','n','d','2'), ContextualShape_Kannada, NULL},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('m','l','m','2'), ContextualShape_Malayalam, ShapeCharGlyphProp_Malayalam},
+ {{ devanagari_features, 6}, {devanagari_gpos_features, 4}, required_telugu_features, MS_MAKE_TAG('m','l','m','2'), ContextualShape_Malayalam, NULL},
+ {{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
+ {{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ myanmar_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ myanmar_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ standard_features, 2}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ khmer_features, 5}, {khmer_gpos_features, 4}, required_khmer_features, 0, ContextualShape_Khmer, ShapeCharGlyphProp_Khmer},
+ {{ khmer_features, 5}, {khmer_gpos_features, 4}, required_khmer_features, 0, ContextualShape_Khmer, ShapeCharGlyphProp_Khmer},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ ethiopic_features, 4}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ ethiopic_features, 4}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ mongolian_features, 4}, {NULL, 0}, NULL, 0, ContextualShape_Mongolian, NULL},
+ {{ mongolian_features, 4}, {NULL, 0}, NULL, 0, ContextualShape_Mongolian, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ NULL, 0}, {NULL, 0}, NULL, 0, NULL, NULL},
+ {{ hebrew_features, 2}, {hebrew_gpos_features, 2}, NULL, 0, ContextualShape_Hebrew, NULL},
+ {{ latin_features, 4}, {latin_gpos_features, 3}, NULL, 0, NULL, ShapeCharGlyphProp_Latin},
+ {{ thai_features, 1}, {thai_gpos_features, 3}, NULL, 0, ContextualShape_Thai, ShapeCharGlyphProp_Thai},
+};
- offset = GET_BE_WORD(lookup->Lookup[lookup_index]);
- look = (const GSUB_LookupTable*)((const BYTE*)lookup + offset);
- TRACE("type %i, flag %x, subtables %i\n",GET_BE_WORD(look->LookupType),GET_BE_WORD(look->LookupFlag),GET_BE_WORD(look->SubTableCount));
- switch(GET_BE_WORD(look->LookupType))
- {
- case 1:
- return GSUB_apply_SingleSubst(look, glyphs, glyph_index, write_dir, glyph_count);
- case 4:
- return GSUB_apply_LigatureSubst(look, glyphs, glyph_index, write_dir, glyph_count);
- case 6:
- return GSUB_apply_ChainContextSubst(lookup, look, glyphs, glyph_index, write_dir, glyph_count);
- default:
- FIXME("We do not handle SubType %i\n",GET_BE_WORD(look->LookupType));
- }
- return GSUB_E_NOGLYPH;
-}
+extern scriptData scriptInformation[];
-static INT GSUB_apply_feature(const GSUB_Header * header, const GSUB_Feature* feature, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+static INT GSUB_apply_feature_all_lookups(LPCVOID header, LoadedFeature *feature, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
{
int i;
int out_index = GSUB_E_NOGLYPH;
- const GSUB_LookupList *lookup;
-
- lookup = (const GSUB_LookupList*)((const BYTE*)header + GET_BE_WORD(header->LookupList));
- TRACE("%i lookups\n", GET_BE_WORD(feature->LookupCount));
- for (i = 0; i < GET_BE_WORD(feature->LookupCount); i++)
+ TRACE("%i lookups\n", feature->lookup_count);
+ for (i = 0; i < feature->lookup_count; i++)
{
- out_index = GSUB_apply_lookup(lookup, GET_BE_WORD(feature->LookupListIndex[i]), glyphs, glyph_index, write_dir, glyph_count);
+ out_index = OpenType_apply_GSUB_lookup(header, feature->lookups[i], glyphs, glyph_index, write_dir, glyph_count);
if (out_index != GSUB_E_NOGLYPH)
break;
}
if (out_index == GSUB_E_NOGLYPH)
TRACE("lookups found no glyphs\n");
+ else
+ {
+ int out2;
+ out2 = GSUB_apply_feature_all_lookups(header, feature, glyphs, glyph_index, write_dir, glyph_count);
+ if (out2!=GSUB_E_NOGLYPH)
+ out_index = out2;
+ }
return out_index;
}
-static const char* get_opentype_script(HDC hdc, SCRIPT_ANALYSIS *psa)
+static OPENTYPE_TAG get_opentype_script(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc, BOOL tryNew)
{
UINT charset;
- switch (psa->eScript)
+ if (psc->userScript != 0)
{
- case Script_Arabic:
- return "arab";
- case Script_Syriac:
- return "syrc";
- case Script_Hebrew:
- return "hebr";
- case Script_Latin:
- case Script_Numeric:
- case Script_CR:
- case Script_LF:
- return "latn";
+ if (tryNew && ShapingData[psa->eScript].newOtTag != 0 && psc->userScript == scriptInformation[psa->eScript].scriptTag)
+ return ShapingData[psa->eScript].newOtTag;
+ else
+ return psc->userScript;
}
+ if (tryNew && ShapingData[psa->eScript].newOtTag != 0)
+ return ShapingData[psa->eScript].newOtTag;
+
+ if (scriptInformation[psa->eScript].scriptTag)
+ return scriptInformation[psa->eScript].scriptTag;
+
/*
* fall back to the font charset
*/
charset = GetTextCharsetInfo(hdc, NULL, 0x0);
switch (charset)
{
- case ANSI_CHARSET: return "latn";
- case BALTIC_CHARSET: return "latn"; /* ?? */
- case CHINESEBIG5_CHARSET: return "hani";
- case EASTEUROPE_CHARSET: return "latn"; /* ?? */
- case GB2312_CHARSET: return "hani";
- case GREEK_CHARSET: return "grek";
- case HANGUL_CHARSET: return "hang";
- case RUSSIAN_CHARSET: return "cyrl";
- case SHIFTJIS_CHARSET: return "kana";
- case TURKISH_CHARSET: return "latn"; /* ?? */
- case VIETNAMESE_CHARSET: return "latn";
- case JOHAB_CHARSET: return "latn"; /* ?? */
- case ARABIC_CHARSET: return "arab";
- case HEBREW_CHARSET: return "hebr";
- case THAI_CHARSET: return "thai";
- default: return "latn";
- }
-}
-
-static INT apply_GSUB_feature_to_glyph(HDC hdc, SCRIPT_ANALYSIS *psa, void* GSUB_Table, WORD *glyphs, INT index, INT write_dir, INT* glyph_count, const char* feat)
-{
- const GSUB_Header *header;
- const GSUB_Script *script;
- const GSUB_LangSys *language;
- const GSUB_Feature *feature;
-
- if (!GSUB_Table)
- return GSUB_E_NOFEATURE;
+ case ANSI_CHARSET:
+ case BALTIC_CHARSET: return MS_MAKE_TAG('l','a','t','n');
+ case CHINESEBIG5_CHARSET: return MS_MAKE_TAG('h','a','n','i');
+ case EASTEUROPE_CHARSET: return MS_MAKE_TAG('l','a','t','n'); /* ?? */
+ case GB2312_CHARSET: return MS_MAKE_TAG('h','a','n','i');
+ case GREEK_CHARSET: return MS_MAKE_TAG('g','r','e','k');
+ case HANGUL_CHARSET: return MS_MAKE_TAG('h','a','n','g');
+ case RUSSIAN_CHARSET: return MS_MAKE_TAG('c','y','r','l');
+ case SHIFTJIS_CHARSET: return MS_MAKE_TAG('k','a','n','a');
+ case TURKISH_CHARSET: return MS_MAKE_TAG('l','a','t','n'); /* ?? */
+ case VIETNAMESE_CHARSET: return MS_MAKE_TAG('l','a','t','n');
+ case JOHAB_CHARSET: return MS_MAKE_TAG('l','a','t','n'); /* ?? */
+ case ARABIC_CHARSET: return MS_MAKE_TAG('a','r','a','b');
+ case HEBREW_CHARSET: return MS_MAKE_TAG('h','e','b','r');
+ case THAI_CHARSET: return MS_MAKE_TAG('t','h','a','i');
+ default: return MS_MAKE_TAG('l','a','t','n');
+ }
+}
- header = GSUB_Table;
+static LoadedFeature* load_OT_feature(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc, char tableType, const char* feat)
+{
+ LoadedFeature *feature = NULL;
- script = GSUB_get_script_table(header, get_opentype_script(hdc,psa));
- if (!script)
- {
- TRACE("Script not found\n");
- return GSUB_E_NOFEATURE;
- }
- language = GSUB_get_lang_table(script, "xxxx"); /* Need to get Lang tag */
- if (!language)
+ if (psc->GSUB_Table || psc->GPOS_Table)
{
- TRACE("Language not found\n");
- return GSUB_E_NOFEATURE;
+ int attempt = 2;
+ OPENTYPE_TAG tags;
+ OPENTYPE_TAG language;
+ OPENTYPE_TAG script = 0x00000000;
+ int cTags;
+
+ do
+ {
+ script = get_opentype_script(hdc,psa,psc,(attempt==2));
+ if (psc->userLang != 0)
+ language = psc->userLang;
+ else
+ language = MS_MAKE_TAG('d','f','l','t');
+ attempt--;
+
+ OpenType_GetFontFeatureTags(psc, script, language, FALSE, MS_MAKE_TAG(feat[0],feat[1],feat[2],feat[3]), tableType, 1, &tags, &cTags, &feature);
+
+ } while(attempt && !feature);
+
+ /* try in the default (latin) table */
+ if (!feature && !script)
+ OpenType_GetFontFeatureTags(psc, MS_MAKE_TAG('l','a','t','n'), MS_MAKE_TAG('d','f','l','t'), FALSE, MS_MAKE_TAG(feat[0],feat[1],feat[2],feat[3]), tableType, 1, &tags, &cTags, &feature);
}
- feature = GSUB_get_feature(header, language, feat);
+
+ TRACE("Feature %s located at %p\n",debugstr_an(feat,4),feature);
+ return feature;
+}
+
+static INT apply_GSUB_feature_to_glyph(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, WORD *glyphs, INT index, INT write_dir, INT* glyph_count, const char* feat)
+{
+ LoadedFeature *feature;
+
+ feature = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, feat);
if (!feature)
- {
- TRACE("%s feature not found\n",feat);
return GSUB_E_NOFEATURE;
- }
+
TRACE("applying feature %s\n",feat);
- return GSUB_apply_feature(header, feature, glyphs, index, write_dir, glyph_count);
+ return GSUB_apply_feature_all_lookups(psc->GSUB_Table, feature, glyphs, index, write_dir, glyph_count);
}
static VOID *load_gsub_table(HDC hdc)
{
VOID* GSUB_Table = NULL;
- int length = GetFontData(hdc, GSUB_TAG , 0, NULL, 0);
+ int length = GetFontData(hdc, MS_MAKE_TAG('G', 'S', 'U', 'B'), 0, NULL, 0);
if (length != GDI_ERROR)
{
GSUB_Table = HeapAlloc(GetProcessHeap(),0,length);
- GetFontData(hdc, GSUB_TAG , 0, GSUB_Table, length);
+ GetFontData(hdc, MS_MAKE_TAG('G', 'S', 'U', 'B'), 0, GSUB_Table, length);
TRACE("Loaded GSUB table of %i bytes\n",length);
}
return GSUB_Table;
}
-static int apply_GSUB_feature(HDC hdc, SCRIPT_ANALYSIS *psa, void* GSUB_Table, WORD *pwOutGlyphs, int write_dir, INT* pcGlyphs, const char* feat)
+static VOID *load_gpos_table(HDC hdc)
{
- int i;
-
- if (GSUB_Table)
+ VOID* GPOS_Table = NULL;
+ int length = GetFontData(hdc, MS_MAKE_TAG('G', 'P', 'O', 'S'), 0, NULL, 0);
+ if (length != GDI_ERROR)
{
- const GSUB_Header *header;
- const GSUB_Script *script;
- const GSUB_LangSys *language;
- const GSUB_Feature *feature;
-
- if (!GSUB_Table)
- return GSUB_E_NOFEATURE;
-
- header = GSUB_Table;
-
- script = GSUB_get_script_table(header, get_opentype_script(hdc,psa));
- if (!script)
- {
- TRACE("Script not found\n");
- return GSUB_E_NOFEATURE;
- }
- language = GSUB_get_lang_table(script, "xxxx");
- if (!language)
- {
- TRACE("Language not found\n");
- return GSUB_E_NOFEATURE;
- }
- feature = GSUB_get_feature(header, language, feat);
- if (!feature)
- {
- TRACE("%s feature not found\n",feat);
- return GSUB_E_NOFEATURE;
- }
-
- i = 0;
- TRACE("applying feature %s\n",feat);
- while(i < *pcGlyphs)
- {
- INT nextIndex;
- nextIndex = GSUB_apply_feature(header, feature, pwOutGlyphs, i, write_dir, pcGlyphs);
- if (nextIndex > GSUB_E_NOGLYPH)
- i = nextIndex;
- else
- i++;
- }
- return *pcGlyphs;
+ GPOS_Table = HeapAlloc(GetProcessHeap(),0,length);
+ GetFontData(hdc, MS_MAKE_TAG('G', 'P', 'O', 'S'), 0, GPOS_Table, length);
+ TRACE("Loaded GPOS table of %i bytes\n",length);
}
- return GSUB_E_NOFEATURE;
+ return GPOS_Table;
}
-static CHAR neighbour_joining_type(int i, int delta, const CHAR* context_type, INT cchLen, SCRIPT_ANALYSIS *psa)
+static VOID *load_gdef_table(HDC hdc)
{
- if (i + delta < 0)
- {
- if (psa->fLinkBefore)
- return jtR;
- else
- return jtU;
- }
- if ( i+ delta >= cchLen)
+ VOID* GDEF_Table = NULL;
+ int length = GetFontData(hdc, MS_MAKE_TAG('G', 'D', 'E', 'F'), 0, NULL, 0);
+ if (length != GDI_ERROR)
{
- if (psa->fLinkAfter)
- return jtL;
- else
- return jtU;
+ GDEF_Table = HeapAlloc(GetProcessHeap(),0,length);
+ GetFontData(hdc, MS_MAKE_TAG('G', 'D', 'E', 'F'), 0, GDEF_Table, length);
+ TRACE("Loaded GDEF table of %i bytes\n",length);
}
-
- i += delta;
-
- if (context_type[i] == jtT)
- return neighbour_joining_type(i,delta,context_type,cchLen,psa);
- else
- return context_type[i];
+ return GDEF_Table;
}
-static inline BOOL right_join_causing(CHAR joining_type)
+static VOID load_ot_tables(HDC hdc, ScriptCache *psc)
{
- return (joining_type == jtL || joining_type == jtD || joining_type == jtC);
+ if (!psc->GSUB_Table)
+ psc->GSUB_Table = load_gsub_table(hdc);
+ if (!psc->GPOS_Table)
+ psc->GPOS_Table = load_gpos_table(hdc);
+ if (!psc->GDEF_Table)
+ psc->GDEF_Table = load_gdef_table(hdc);
}
-static inline BOOL left_join_causing(CHAR joining_type)
+INT SHAPE_does_GSUB_feature_apply_to_chars(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, const WCHAR *chars, INT write_dir, INT count, const char* feature)
{
- return (joining_type == jtR || joining_type == jtD || joining_type == jtC);
-}
+ WORD *glyphs;
+ INT glyph_count = count;
+ INT rc;
+
+ glyphs = HeapAlloc(GetProcessHeap(),0,sizeof(WORD)*(count*2));
+ GetGlyphIndicesW(hdc, chars, count, glyphs, 0);
+ rc = apply_GSUB_feature_to_glyph(hdc, psa, psc, glyphs, 0, write_dir, &glyph_count, feature);
+ if (rc > GSUB_E_NOGLYPH)
+ rc = count - glyph_count;
+ else
+ rc = 0;
+
+ HeapFree(GetProcessHeap(),0,glyphs);
+ return rc;
+}
+
+static void UpdateClustersFromGlyphProp(const int cGlyphs, const int cChars, WORD* pwLogClust, SCRIPT_GLYPHPROP *pGlyphProp)
+{
+ int i;
+
+ for (i = 0; i < cGlyphs; i++)
+ {
+ if (!pGlyphProp[i].sva.fClusterStart)
+ {
+ int j;
+ for (j = 0; j < cChars; j++)
+ {
+ if (pwLogClust[j] == i)
+ {
+ int k = j;
+ while (k >= 0 && k <cChars && !pGlyphProp[pwLogClust[k]].sva.fClusterStart)
+ k-=1;
+ if (k >= 0 && k <cChars && pGlyphProp[pwLogClust[k]].sva.fClusterStart)
+ pwLogClust[j] = pwLogClust[k];
+ }
+ }
+ }
+ }
+}
+
+static void UpdateClusters(int nextIndex, int changeCount, int write_dir, int chars, WORD* pwLogClust )
+{
+ if (changeCount == 0)
+ return;
+ else
+ {
+ int i;
+ int target_glyph = nextIndex - write_dir;
+ int seeking_glyph;
+ int target_index = -1;
+ int replacing_glyph = -1;
+ int changed = 0;
+ int top_logclust = 0;
+
+ if (changeCount > 0)
+ {
+ if (write_dir > 0)
+ target_glyph = nextIndex - changeCount;
+ else
+ target_glyph = nextIndex + (changeCount + 1);
+ }
+
+ seeking_glyph = target_glyph;
+ for (i = 0; i < chars; i++)
+ if (pwLogClust[i] > top_logclust)
+ top_logclust = pwLogClust[i];
+
+ do {
+ if (write_dir > 0)
+ for (i = 0; i < chars; i++)
+ {
+ if (pwLogClust[i] == seeking_glyph)
+ {
+ target_index = i;
+ break;
+ }
+ }
+ else
+ for (i = chars - 1; i >= 0; i--)
+ {
+ if (pwLogClust[i] == seeking_glyph)
+ {
+ target_index = i;
+ break;
+ }
+ }
+ if (target_index == -1)
+ seeking_glyph ++;
+ }
+ while (target_index == -1 && seeking_glyph <= top_logclust);
+
+ if (target_index == -1)
+ {
+ ERR("Unable to find target glyph\n");
+ return;
+ }
+
+ if (changeCount < 0)
+ {
+ /* merge glyphs */
+ for(i = target_index; i < chars && i >= 0; i+=write_dir)
+ {
+ if (pwLogClust[i] == target_glyph)
+ continue;
+ if(pwLogClust[i] == replacing_glyph)
+ pwLogClust[i] = target_glyph;
+ else
+ {
+ changed--;
+ if (changed >= changeCount)
+ {
+ replacing_glyph = pwLogClust[i];
+ pwLogClust[i] = target_glyph;
+ }
+ else
+ break;
+ }
+ }
+
+ /* renumber trailing indexes*/
+ for(i = target_index; i < chars && i >= 0; i+=write_dir)
+ {
+ if (pwLogClust[i] != target_glyph)
+ pwLogClust[i] += changeCount;
+ }
+ }
+ else
+ {
+ for(i = target_index; i < chars && i >= 0; i+=write_dir)
+ pwLogClust[i] += changeCount;
+ }
+ }
+}
+
+static int apply_GSUB_feature(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, WORD *pwOutGlyphs, int write_dir, INT* pcGlyphs, INT cChars, const char* feat, WORD *pwLogClust )
+{
+ if (psc->GSUB_Table)
+ {
+ LoadedFeature *feature;
+ int lookup_index;
+
+ feature = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, feat);
+ if (!feature)
+ return GSUB_E_NOFEATURE;
+
+ TRACE("applying feature %s: %i lookups\n",debugstr_an(feat,4),feature->lookup_count);
+ for (lookup_index = 0; lookup_index < feature->lookup_count; lookup_index++)
+ {
+ int i;
+
+ if (write_dir > 0)
+ i = 0;
+ else
+ i = *pcGlyphs-1;
+ TRACE("applying lookup (%i/%i)\n",lookup_index,feature->lookup_count);
+ while(i < *pcGlyphs && i >= 0)
+ {
+ INT nextIndex;
+ INT prevCount = *pcGlyphs;
+
+ nextIndex = OpenType_apply_GSUB_lookup(psc->GSUB_Table, feature->lookups[lookup_index], pwOutGlyphs, i, write_dir, pcGlyphs);
+ if (*pcGlyphs != prevCount)
+ {
+ UpdateClusters(nextIndex, *pcGlyphs - prevCount, write_dir, cChars, pwLogClust);
+ i = nextIndex;
+ }
+ else
+ i+=write_dir;
+ }
+ }
+ return *pcGlyphs;
+ }
+ return GSUB_E_NOFEATURE;
+}
+
+static VOID GPOS_apply_feature(ScriptCache *psc, LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance, LoadedFeature *feature, const WORD *glyphs, INT glyph_count, GOFFSET *pGoffset)
+{
+ int i;
+
+ TRACE("%i lookups\n", feature->lookup_count);
+ for (i = 0; i < feature->lookup_count; i++)
+ {
+ int j;
+ for (j = 0; j < glyph_count; )
+ j = OpenType_apply_GPOS_lookup(psc, lpotm, lplogfont, analysis, piAdvance, feature->lookups[i], glyphs, j, glyph_count, pGoffset);
+ }
+}
+
+static inline BOOL get_GSUB_Indic2(SCRIPT_ANALYSIS *psa, ScriptCache *psc)
+{
+ OPENTYPE_TAG tag;
+ HRESULT hr;
+ int count = 0;
+
+ hr = OpenType_GetFontScriptTags(psc, ShapingData[psa->eScript].newOtTag, 1, &tag, &count);
+
+ return(SUCCEEDED(hr));
+}
+
+static void insert_glyph(WORD *pwGlyphs, INT *pcGlyphs, INT cChars, INT write_dir, WORD glyph, INT index, WORD *pwLogClust)
+{
+ int i;
+ for (i = *pcGlyphs; i>=index; i--)
+ pwGlyphs[i+1] = pwGlyphs[i];
+ pwGlyphs[index] = glyph;
+ *pcGlyphs = *pcGlyphs+1;
+ if (write_dir < 0)
+ UpdateClusters(index-3, 1, write_dir, cChars, pwLogClust);
+ else
+ UpdateClusters(index, 1, write_dir, cChars, pwLogClust);
+}
+
+static void mark_invalid_combinations(HDC hdc, const WCHAR* pwcChars, INT cChars, WORD *pwGlyphs, INT *pcGlyphs, INT write_dir, WORD *pwLogClust, combining_lexical_function lex)
+{
+ CHAR *context_type;
+ int i,g;
+ WCHAR invalid = 0x25cc;
+ WORD invalid_glyph;
+
+ context_type = HeapAlloc(GetProcessHeap(),0,cChars);
+
+ /* Mark invalid combinations */
+ for (i = 0; i < cChars; i++)
+ context_type[i] = lex(pwcChars[i]);
+
+ GetGlyphIndicesW(hdc, &invalid, 1, &invalid_glyph, 0);
+ for (i = 1, g=1; i < cChars - 1; i++, g++)
+ {
+ if (context_type[i] != 0 && context_type[i+write_dir]==context_type[i])
+ {
+ insert_glyph(pwGlyphs, pcGlyphs, cChars, write_dir, invalid_glyph, g, pwLogClust);
+ g++;
+ }
+ }
+
+ HeapFree(GetProcessHeap(),0,context_type);
+}
+
+static void ContextualShape_Control(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int i;
+ for (i=0; i < cChars; i++)
+ {
+ switch (pwcChars[i])
+ {
+ case 0x000D: pwOutGlyphs[i] = psc->sfp.wgBlank; break;
+ default:
+ if (pwcChars[i] < 0x1C)
+ pwOutGlyphs[i] = psc->sfp.wgDefault;
+ else
+ pwOutGlyphs[i] = psc->sfp.wgBlank;
+ }
+ }
+}
+
+static WCHAR neighbour_char(int i, int delta, const WCHAR* chars, INT cchLen)
+{
+ if (i + delta < 0)
+ return 0;
+ if ( i+ delta >= cchLen)
+ return 0;
+
+ i += delta;
+
+ return chars[i];
+}
+
+static CHAR neighbour_joining_type(int i, int delta, const CHAR* context_type, INT cchLen, SCRIPT_ANALYSIS *psa)
+{
+ if (i + delta < 0)
+ {
+ if (psa->fLinkBefore)
+ return jtR;
+ else
+ return jtU;
+ }
+ if ( i+ delta >= cchLen)
+ {
+ if (psa->fLinkAfter)
+ return jtL;
+ else
+ return jtU;
+ }
+
+ i += delta;
+
+ if (context_type[i] == jtT)
+ return neighbour_joining_type(i,delta,context_type,cchLen,psa);
+ else
+ return context_type[i];
+}
+
+static inline BOOL right_join_causing(CHAR joining_type)
+{
+ return (joining_type == jtL || joining_type == jtD || joining_type == jtC);
+}
+
+static inline BOOL left_join_causing(CHAR joining_type)
+{
+ return (joining_type == jtR || joining_type == jtD || joining_type == jtC);
+}
+
+static inline BOOL word_break_causing(WCHAR chr)
+{
+ /* we are working within a string of characters already guareented to
+ be within one script, Syriac, so we do not worry about any character
+ other than the space character outside of that range */
+ return (chr == 0 || chr == 0x20 );
+}
+
+static int combining_lexical_Arabic(WCHAR c)
+{
+ enum {Arab_Norm = 0, Arab_DIAC1, Arab_DIAC2, Arab_DIAC3, Arab_DIAC4, Arab_DIAC5, Arab_DIAC6, Arab_DIAC7, Arab_DIAC8};
+
+ switch(c)
+ {
+ case 0x064B:
+ case 0x064C:
+ case 0x064E:
+ case 0x064F:
+ case 0x0652:
+ case 0x0657:
+ case 0x0658:
+ case 0x06E1: return Arab_DIAC1;
+ case 0x064D:
+ case 0x0650:
+ case 0x0656: return Arab_DIAC2;
+ case 0x0651: return Arab_DIAC3;
+ case 0x0610:
+ case 0x0611:
+ case 0x0612:
+ case 0x0613:
+ case 0x0614:
+ case 0x0659:
+ case 0x06D6:
+ case 0x06DC:
+ case 0x06DF:
+ case 0x06E0:
+ case 0x06E2:
+ case 0x06E4:
+ case 0x06E7:
+ case 0x06E8:
+ case 0x06EB:
+ case 0x06EC: return Arab_DIAC4;
+ case 0x06E3:
+ case 0x06EA:
+ case 0x06ED: return Arab_DIAC5;
+ case 0x0670: return Arab_DIAC6;
+ case 0x0653: return Arab_DIAC7;
+ case 0x0655:
+ case 0x0654: return Arab_DIAC8;
+ default: return Arab_Norm;
+ }
+}
-/* SHAPE_ShapeArabicGlyphs
+/*
+ * ContextualShape_Arabic
*/
-void SHAPE_ShapeArabicGlyphs(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs)
+static void ContextualShape_Arabic(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
{
CHAR *context_type;
INT *context_shape;
INT dirR, dirL;
int i;
- if (psa->eScript != Script_Arabic)
- return;
-
if (*pcGlyphs != cChars)
{
ERR("Number of Glyphs and Chars need to match at the beginning\n");
return;
}
-
if (!psa->fLogicalOrder && psa->fRTL)
{
dirR = 1;
dirL = 1;
}
- if (!psc->GSUB_Table)
- psc->GSUB_Table = load_gsub_table(hdc);
+ load_ot_tables(hdc, psc);
context_type = HeapAlloc(GetProcessHeap(),0,cChars);
context_shape = HeapAlloc(GetProcessHeap(),0,sizeof(INT) * cChars);
for (i = 0; i < cChars; i++)
- context_type[i] = wine_shaping_table[wine_shaping_table[pwcChars[i] >> 8] + (pwcChars[i] & 0xff)];
+ context_type[i] = get_table_entry( wine_shaping_table, pwcChars[i] );
for (i = 0; i < cChars; i++)
{
if (psc->GSUB_Table)
{
INT nextIndex;
- nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc->GSUB_Table, pwOutGlyphs, i, dirL, pcGlyphs, contextual_features[context_shape[i]]);
+ INT prevCount = *pcGlyphs;
+ nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, i, dirL, pcGlyphs, contextual_features[context_shape[i]]);
if (nextIndex > GSUB_E_NOGLYPH)
+ {
i = nextIndex;
+ UpdateClusters(nextIndex, *pcGlyphs - prevCount, dirL, cChars, pwLogClust);
+ }
shaped = (nextIndex > GSUB_E_NOGLYPH);
}
if (!shaped)
{
- WORD newGlyph = pwOutGlyphs[i];
- if (pwcChars[i] >= FIRST_ARABIC_CHAR && pwcChars[i] <= LAST_ARABIC_CHAR)
+ if (context_shape[i] == Xn)
{
- /* fall back to presentation form B */
- WCHAR context_char = wine_shaping_forms[pwcChars[i] - FIRST_ARABIC_CHAR][context_shape[i]];
- if (context_char != pwcChars[i] && GetGlyphIndicesW(hdc, &context_char, 1, &newGlyph, 0) != GDI_ERROR && newGlyph != 0x0000)
- pwOutGlyphs[i] = newGlyph;
+ WORD newGlyph = pwOutGlyphs[i];
+ if (pwcChars[i] >= FIRST_ARABIC_CHAR && pwcChars[i] <= LAST_ARABIC_CHAR)
+ {
+ /* fall back to presentation form B */
+ WCHAR context_char = wine_shaping_forms[pwcChars[i] - FIRST_ARABIC_CHAR][context_shape[i]];
+ if (context_char != pwcChars[i] && GetGlyphIndicesW(hdc, &context_char, 1, &newGlyph, 0) != GDI_ERROR && newGlyph != 0x0000)
+ pwOutGlyphs[i] = newGlyph;
+ }
}
i++;
}
}
- i = 0;
- while (arabic_GSUB_features[i] != NULL)
+ HeapFree(GetProcessHeap(),0,context_shape);
+ HeapFree(GetProcessHeap(),0,context_type);
+
+ mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Arabic);
+}
+
+static int combining_lexical_Hebrew(WCHAR c)
+{
+ enum {Hebr_Norm=0, Hebr_DIAC, Hebr_CANT1, Hebr_CANT2, Hebr_CANT3, Hebr_CANT4, Hebr_CANT5, Hebr_CANT6, Hebr_CANT7, Hebr_CANT8, Hebr_CANT9, Hebr_CANT10, Hebr_DAGESH, Hebr_DOTABV, Hebr_HOLAM, Hebr_METEG, Hebr_PATAH, Hebr_QAMATS, Hebr_RAFE, Hebr_SHINSIN};
+
+ switch(c)
{
- apply_GSUB_feature(hdc, psa, psc->GSUB_Table, pwOutGlyphs, dirL, pcGlyphs, arabic_GSUB_features[i]);
- i++;
+ case 0x05B0:
+ case 0x05B1:
+ case 0x05B2:
+ case 0x05B3:
+ case 0x05B4:
+ case 0x05B5:
+ case 0x05B6:
+ case 0x05BB: return Hebr_DIAC;
+ case 0x0599:
+ case 0x05A1:
+ case 0x05A9:
+ case 0x05AE: return Hebr_CANT1;
+ case 0x0597:
+ case 0x05A8:
+ case 0x05AC: return Hebr_CANT2;
+ case 0x0592:
+ case 0x0593:
+ case 0x0594:
+ case 0x0595:
+ case 0x05A7:
+ case 0x05AB: return Hebr_CANT3;
+ case 0x0598:
+ case 0x059C:
+ case 0x059E:
+ case 0x059F: return Hebr_CANT4;
+ case 0x059D:
+ case 0x05A0: return Hebr_CANT5;
+ case 0x059B:
+ case 0x05A5: return Hebr_CANT6;
+ case 0x0591:
+ case 0x05A3:
+ case 0x05A6: return Hebr_CANT7;
+ case 0x0596:
+ case 0x05A4:
+ case 0x05AA: return Hebr_CANT8;
+ case 0x059A:
+ case 0x05AD: return Hebr_CANT9;
+ case 0x05AF: return Hebr_CANT10;
+ case 0x05BC: return Hebr_DAGESH;
+ case 0x05C4: return Hebr_DOTABV;
+ case 0x05B9: return Hebr_HOLAM;
+ case 0x05BD: return Hebr_METEG;
+ case 0x05B7: return Hebr_PATAH;
+ case 0x05B8: return Hebr_QAMATS;
+ case 0x05BF: return Hebr_RAFE;
+ case 0x05C1:
+ case 0x05C2: return Hebr_SHINSIN;
+ default: return Hebr_Norm;
}
+}
- HeapFree(GetProcessHeap(),0,context_shape);
- HeapFree(GetProcessHeap(),0,context_type);
+static void ContextualShape_Hebrew(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ INT dirL;
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ dirL = -1;
+ else
+ dirL = 1;
+
+ mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Hebrew);
+}
+
+/*
+ * ContextualShape_Syriac
+ */
+
+static int combining_lexical_Syriac(WCHAR c)
+{
+ enum {Syriac_Norm=0, Syriac_DIAC1, Syriac_DIAC2, Syriac_DIAC3, Syriac_DIAC4, Syriac_DIAC5, Syriac_DIAC6, Syriac_DIAC7, Syriac_DIAC8, Syriac_DIAC9, Syriac_DIAC10, Syriac_DIAC11, Syriac_DIAC12, Syriac_DIAC13, Syriac_DIAC14, Syriac_DIAC15, Syriac_DIAC16, Syriac_DIAC17};
+
+ switch(c)
+ {
+ case 0x730:
+ case 0x733:
+ case 0x736:
+ case 0x73A:
+ case 0x73D: return Syriac_DIAC1;
+ case 0x731:
+ case 0x734:
+ case 0x737:
+ case 0x73B:
+ case 0x73E: return Syriac_DIAC2;
+ case 0x740:
+ case 0x749:
+ case 0x74A: return Syriac_DIAC3;
+ case 0x732:
+ case 0x735:
+ case 0x73F: return Syriac_DIAC4;
+ case 0x738:
+ case 0x739:
+ case 0x73C: return Syriac_DIAC5;
+ case 0x741:
+ case 0x30A: return Syriac_DIAC6;
+ case 0x742:
+ case 0x325: return Syriac_DIAC7;
+ case 0x747:
+ case 0x303: return Syriac_DIAC8;
+ case 0x748:
+ case 0x32D:
+ case 0x32E:
+ case 0x330:
+ case 0x331: return Syriac_DIAC9;
+ case 0x308: return Syriac_DIAC10;
+ case 0x304: return Syriac_DIAC11;
+ case 0x307: return Syriac_DIAC12;
+ case 0x323: return Syriac_DIAC13;
+ case 0x743: return Syriac_DIAC14;
+ case 0x744: return Syriac_DIAC15;
+ case 0x745: return Syriac_DIAC16;
+ case 0x746: return Syriac_DIAC17;
+ default: return Syriac_Norm;
+ }
+}
+
+#define ALAPH 0x710
+#define DALATH 0x715
+#define RISH 0x72A
+
+static void ContextualShape_Syriac(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ CHAR *context_type;
+ INT *context_shape;
+ INT dirR, dirL;
+ int i;
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ {
+ dirR = 1;
+ dirL = -1;
+ }
+ else
+ {
+ dirR = -1;
+ dirL = 1;
+ }
+
+ load_ot_tables(hdc, psc);
+
+ if (!psc->GSUB_Table)
+ return;
+
+ context_type = HeapAlloc(GetProcessHeap(),0,cChars);
+ context_shape = HeapAlloc(GetProcessHeap(),0,sizeof(INT) * cChars);
+
+ for (i = 0; i < cChars; i++)
+ context_type[i] = get_table_entry( wine_shaping_table, pwcChars[i] );
+
+ for (i = 0; i < cChars; i++)
+ {
+ if (pwcChars[i] == ALAPH)
+ {
+ WCHAR rchar = neighbour_char(i,dirR,pwcChars,cChars);
+
+ if (left_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)) && word_break_causing(neighbour_char(i,dirL,pwcChars,cChars)))
+ context_shape[i] = Afj;
+ else if ( rchar != DALATH && rchar != RISH &&
+!left_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)) &&
+word_break_causing(neighbour_char(i,dirL,pwcChars,cChars)))
+ context_shape[i] = Afn;
+ else if ( (rchar == DALATH || rchar == RISH) && word_break_causing(neighbour_char(i,dirL,pwcChars,cChars)))
+ context_shape[i] = Afx;
+ else
+ context_shape[i] = Xn;
+ }
+ else if (context_type[i] == jtR &&
+right_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)))
+ context_shape[i] = Xr;
+ else if (context_type[i] == jtL && left_join_causing(neighbour_joining_type(i,dirL,context_type,cChars,psa)))
+ context_shape[i] = Xl;
+ else if (context_type[i] == jtD && left_join_causing(neighbour_joining_type(i,dirL,context_type,cChars,psa)) && right_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)))
+ context_shape[i] = Xm;
+ else if (context_type[i] == jtD && right_join_causing(neighbour_joining_type(i,dirR,context_type,cChars,psa)))
+ context_shape[i] = Xr;
+ else if (context_type[i] == jtD && left_join_causing(neighbour_joining_type(i,dirL,context_type,cChars,psa)))
+ context_shape[i] = Xl;
+ else
+ context_shape[i] = Xn;
+ }
+
+ /* Contextual Shaping */
+ i = 0;
+ while(i < *pcGlyphs)
+ {
+ INT nextIndex;
+ INT prevCount = *pcGlyphs;
+ nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, i, dirL, pcGlyphs, contextual_features[context_shape[i]]);
+ if (nextIndex > GSUB_E_NOGLYPH)
+ {
+ UpdateClusters(nextIndex, *pcGlyphs - prevCount, dirL, cChars, pwLogClust);
+ i = nextIndex;
+ }
+ else
+ i++;
+ }
+
+ HeapFree(GetProcessHeap(),0,context_shape);
+ HeapFree(GetProcessHeap(),0,context_type);
+
+ mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Syriac);
+}
+
+static int combining_lexical_Thaana(WCHAR c)
+{
+ enum {Thaana_Norm=0, Thaana_FILI};
+
+ switch(c)
+ {
+ case 0x7A6:
+ case 0x7A7:
+ case 0x7A8:
+ case 0x7A9:
+ case 0x7AA:
+ case 0x7AB:
+ case 0x7AC:
+ case 0x7AD:
+ case 0x7AE:
+ case 0x7AF: return Thaana_FILI;
+ default: return Thaana_Norm;
+ }
+}
+
+static void ContextualShape_Thaana(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ INT dirL;
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ dirL = -1;
+ else
+ dirL = 1;
+
+ mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Thaana);
+}
+
+/*
+ * ContextualShape_Phags_pa
+ */
+
+#define phags_pa_CANDRABINDU 0xA873
+#define phags_pa_START 0xA840
+#define phags_pa_END 0xA87F
+
+static void ContextualShape_Phags_pa(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ INT *context_shape;
+ INT dirR, dirL;
+ int i;
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ {
+ dirR = 1;
+ dirL = -1;
+ }
+ else
+ {
+ dirR = -1;
+ dirL = 1;
+ }
+
+ load_ot_tables(hdc, psc);
+
+ if (!psc->GSUB_Table)
+ return;
+
+ context_shape = HeapAlloc(GetProcessHeap(),0,sizeof(INT) * cChars);
+
+ for (i = 0; i < cChars; i++)
+ {
+ if (pwcChars[i] >= phags_pa_START && pwcChars[i] <= phags_pa_END)
+ {
+ WCHAR rchar = neighbour_char(i,dirR,pwcChars,cChars);
+ WCHAR lchar = neighbour_char(i,dirL,pwcChars,cChars);
+ BOOL jrchar = (rchar != phags_pa_CANDRABINDU && rchar >= phags_pa_START && rchar <= phags_pa_END);
+ BOOL jlchar = (lchar != phags_pa_CANDRABINDU && lchar >= phags_pa_START && lchar <= phags_pa_END);
+
+ if (jrchar && jlchar)
+ context_shape[i] = Xm;
+ else if (jrchar)
+ context_shape[i] = Xr;
+ else if (jlchar)
+ context_shape[i] = Xl;
+ else
+ context_shape[i] = Xn;
+ }
+ else
+ context_shape[i] = -1;
+ }
+
+ /* Contextual Shaping */
+ i = 0;
+ while(i < *pcGlyphs)
+ {
+ if (context_shape[i] >= 0)
+ {
+ INT nextIndex;
+ INT prevCount = *pcGlyphs;
+ nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, i, dirL, pcGlyphs, contextual_features[context_shape[i]]);
+ if (nextIndex > GSUB_E_NOGLYPH)
+ {
+ UpdateClusters(nextIndex, *pcGlyphs - prevCount, dirL, cChars, pwLogClust);
+ i = nextIndex;
+ }
+ else
+ i++;
+ }
+ else
+ i++;
+ }
+
+ HeapFree(GetProcessHeap(),0,context_shape);
+}
+
+static int combining_lexical_Thai(WCHAR c)
+{
+ enum {Thai_Norm=0, Thai_ABOVE1, Thai_ABOVE2, Thai_ABOVE3, Thai_ABOVE4, Thai_BELOW1, Thai_BELOW2, Thai_AM};
+
+ switch(c)
+ {
+ case 0xE31:
+ case 0xE34:
+ case 0xE35:
+ case 0xE36:
+ case 0xE37: return Thai_ABOVE1;
+ case 0xE47:
+ case 0xE4D: return Thai_ABOVE2;
+ case 0xE48:
+ case 0xE49:
+ case 0xE4A:
+ case 0xE4B: return Thai_ABOVE3;
+ case 0xE4C:
+ case 0xE4E: return Thai_ABOVE4;
+ case 0xE38:
+ case 0xE39: return Thai_BELOW1;
+ case 0xE3A: return Thai_BELOW2;
+ case 0xE33: return Thai_AM;
+ default: return Thai_Norm;
+ }
+}
+
+static void ContextualShape_Thai(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ INT dirL;
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ dirL = -1;
+ else
+ dirL = 1;
+
+ mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Thai);
+}
+
+static int combining_lexical_Lao(WCHAR c)
+{
+ enum {Lao_Norm=0, Lao_ABOVE1, Lao_ABOVE2, Lao_BELOW1, Lao_BELOW2, Lao_AM};
+
+ switch(c)
+ {
+ case 0xEB1:
+ case 0xEB4:
+ case 0xEB5:
+ case 0xEB6:
+ case 0xEB7:
+ case 0xEBB:
+ case 0xECD: return Lao_ABOVE1;
+ case 0xEC8:
+ case 0xEC9:
+ case 0xECA:
+ case 0xECB:
+ case 0xECC: return Lao_ABOVE2;
+ case 0xEBC: return Lao_BELOW1;
+ case 0xEB8:
+ case 0xEB9: return Lao_BELOW2;
+ case 0xEB3: return Lao_AM;
+ default: return Lao_Norm;
+ }
+}
+
+static void ContextualShape_Lao(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ INT dirL;
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ dirL = -1;
+ else
+ dirL = 1;
+
+ mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Lao);
+}
+
+static void ReplaceInsertChars(HDC hdc, INT cWalk, INT* pcChars, WCHAR *pwOutChars, const WCHAR *replacements)
+{
+ int i;
+
+ /* Replace */
+ pwOutChars[cWalk] = replacements[0];
+ cWalk=cWalk+1;
+
+ /* Insert */
+ for (i = 1; replacements[i] != 0x0000 && i < 3; i++)
+ {
+ int j;
+ for (j = *pcChars; j > cWalk; j--)
+ pwOutChars[j] = pwOutChars[j-1];
+ *pcChars= *pcChars+1;
+ pwOutChars[cWalk] = replacements[i];
+ cWalk = cWalk+1;
+ }
+}
+
+static void DecomposeVowels(HDC hdc, WCHAR *pwOutChars, INT *pcChars, const VowelComponents vowels[], WORD* pwLogClust, INT cChars)
+{
+ int i;
+ int cWalk;
+
+ for (cWalk = 0; cWalk < *pcChars; cWalk++)
+ {
+ for (i = 0; vowels[i].base != 0x0; i++)
+ {
+ if (pwOutChars[cWalk] == vowels[i].base)
+ {
+ int o = 0;
+ ReplaceInsertChars(hdc, cWalk, pcChars, pwOutChars, vowels[i].parts);
+ if (vowels[i].parts[1]) { cWalk++; o++; }
+ if (vowels[i].parts[2]) { cWalk++; o++; }
+ UpdateClusters(cWalk, o, 1, cChars, pwLogClust);
+ break;
+ }
+ }
+ }
+}
+
+static void ComposeConsonants(HDC hdc, WCHAR *pwOutChars, INT *pcChars, const ConsonantComponents consonants[], WORD* pwLogClust)
+{
+ int i;
+ int offset = 0;
+ int cWalk;
+
+ for (cWalk = 0; cWalk < *pcChars; cWalk++)
+ {
+ for (i = 0; consonants[i].output!= 0x0; i++)
+ {
+ int j;
+ for (j = 0; j + cWalk < *pcChars && consonants[i].parts[j]!=0x0; j++)
+ if (pwOutChars[cWalk+j] != consonants[i].parts[j])
+ break;
+
+ if (consonants[i].parts[j]==0x0) /* matched all */
+ {
+ int k;
+ j--;
+ pwOutChars[cWalk] = consonants[i].output;
+ for(k = cWalk+1; k < *pcChars - j; k++)
+ pwOutChars[k] = pwOutChars[k+j];
+ *pcChars = *pcChars - j;
+ for (k = j ; k > 0; k--)
+ pwLogClust[cWalk + k + offset] = pwLogClust[cWalk + offset];
+ offset += j;
+ for (k = cWalk + j + offset; k < *pcChars + offset; k++)
+ pwLogClust[k]--;
+ break;
+ }
+ }
+ cWalk++;
+ }
+}
+
+static void Reorder_Ra_follows_base(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
+{
+ if (s->ralf >= 0)
+ {
+ int j;
+ WORD Ra = pwChar[s->start];
+ WORD H = pwChar[s->start+1];
+
+ TRACE("Doing reorder of Ra to %i\n",s->base);
+ for (j = s->start; j < s->base-1; j++)
+ pwChar[j] = pwChar[j+2];
+ pwChar[s->base-1] = Ra;
+ pwChar[s->base] = H;
+
+ s->ralf = s->base-1;
+ s->base -= 2;
+ }
+}
+
+static void Reorder_Ra_follows_matra(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
+{
+ if (s->ralf >= 0)
+ {
+ int j,loc;
+ int stop = (s->blwf >=0)? s->blwf+1 : s->base;
+ WORD Ra = pwChar[s->start];
+ WORD H = pwChar[s->start+1];
+ for (loc = s->end; loc > stop; loc--)
+ if (lexical(pwChar[loc]) == lex_Matra_post || lexical(pwChar[loc]) == lex_Matra_below)
+ break;
+
+ TRACE("Doing reorder of Ra to %i\n",loc);
+ for (j = s->start; j < loc-1; j++)
+ pwChar[j] = pwChar[j+2];
+ pwChar[loc-1] = Ra;
+ pwChar[loc] = H;
+
+ s->ralf = loc-1;
+ s->base -= 2;
+ if (s->blwf >= 0) s->blwf -= 2;
+ if (s->pref >= 0) s->pref -= 2;
+ }
+}
+
+static void Reorder_Ra_follows_syllable(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
+{
+ if (s->ralf >= 0)
+ {
+ int j;
+ WORD Ra = pwChar[s->start];
+ WORD H = pwChar[s->start+1];
+
+ TRACE("Doing reorder of Ra to %i\n",s->end-1);
+ for (j = s->start; j < s->end-1; j++)
+ pwChar[j] = pwChar[j+2];
+ pwChar[s->end-1] = Ra;
+ pwChar[s->end] = H;
+
+ s->ralf = s->end-1;
+ s->base -= 2;
+ if (s->blwf >= 0) s->blwf -= 2;
+ if (s->pref >= 0) s->pref -= 2;
+ }
+}
+
+static void Reorder_Matra_precede_base(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
+{
+ int i;
+
+ /* reorder Matras */
+ if (s->end > s->base)
+ {
+ for (i = 1; i <= s->end-s->base; i++)
+ {
+ if (lexical(pwChar[s->base+i]) == lex_Matra_pre)
+ {
+ int j;
+ WCHAR c = pwChar[s->base+i];
+ TRACE("Doing reorder of %x %x\n",c,pwChar[s->base]);
+ for (j = s->base+i; j > s->base; j--)
+ pwChar[j] = pwChar[j-1];
+ pwChar[s->base] = c;
+
+ if (s->ralf >= s->base) s->ralf++;
+ if (s->blwf >= s->base) s->blwf++;
+ if (s->pref >= s->base) s->pref++;
+ s->base ++;
+ }
+ }
+ }
+}
+
+static void Reorder_Matra_precede_syllable(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
+{
+ int i;
+
+ /* reorder Matras */
+ if (s->end > s->base)
+ {
+ for (i = 1; i <= s->end-s->base; i++)
+ {
+ if (lexical(pwChar[s->base+i]) == lex_Matra_pre)
+ {
+ int j;
+ WCHAR c = pwChar[s->base+i];
+ TRACE("Doing reorder of %x to %i\n",c,s->start);
+ for (j = s->base+i; j > s->start; j--)
+ pwChar[j] = pwChar[j-1];
+ pwChar[s->start] = c;
+
+ if (s->ralf >= 0) s->ralf++;
+ if (s->blwf >= 0) s->blwf++;
+ if (s->pref >= 0) s->pref++;
+ s->base ++;
+ }
+ }
+ }
+}
+
+static void SecondReorder_Blwf_follows_matra(LPWSTR pwChar, IndicSyllable *s, WORD *glyphs, IndicSyllable *g, lexical_function lexical)
+{
+ if (s->blwf >= 0 && g->blwf > g->base)
+ {
+ int j,loc;
+ int g_offset;
+ for (loc = s->end; loc > s->blwf; loc--)
+ if (lexical(pwChar[loc]) == lex_Matra_below || lexical(pwChar[loc]) == lex_Matra_above || lexical(pwChar[loc]) == lex_Matra_post)
+ break;
+
+ g_offset = (loc - s->blwf) - 1;
+
+ if (loc != s->blwf)
+ {
+ WORD blwf = glyphs[g->blwf];
+ TRACE("Doing reorder of Below-base to %i (glyph offset %i)\n",loc,g_offset);
+ /* do not care about the pwChar array anymore, just the glyphs */
+ for (j = 0; j < g_offset; j++)
+ glyphs[g->blwf + j] = glyphs[g->blwf + j + 1];
+ glyphs[g->blwf + g_offset] = blwf;
+ }
+ }
+}
+
+static void SecondReorder_Matra_precede_base(LPWSTR pwChar, IndicSyllable *s, WORD *glyphs, IndicSyllable *g, lexical_function lexical)
+{
+ int i;
+
+ /* reorder previously moved Matras to correct position*/
+ for (i = s->start; i < s->base; i++)
+ {
+ if (lexical(pwChar[i]) == lex_Matra_pre)
+ {
+ int j;
+ int g_start = g->start + i - s->start;
+ if (g_start < g->base -1 )
+ {
+ WCHAR og = glyphs[g_start];
+ TRACE("Doing reorder of matra from %i to %i\n",g_start,g->base);
+ for (j = g_start; j < g->base-1; j++)
+ glyphs[j] = glyphs[j+1];
+ glyphs[g->base-1] = og;
+ }
+ }
+ }
+}
+
+static void SecondReorder_Pref_precede_base(LPWSTR pwChar, IndicSyllable *s, WORD *glyphs, IndicSyllable *g, lexical_function lexical)
+{
+ if (s->pref >= 0 && g->pref > g->base)
+ {
+ int j;
+ WCHAR og = glyphs[g->pref];
+ TRACE("Doing reorder of pref from %i to %i\n",g->pref,g->base);
+ for (j = g->pref; j > g->base; j--)
+ glyphs[j] = glyphs[j-1];
+ glyphs[g->base] = og;
+ }
+}
+
+static void Reorder_Like_Sinhala(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
+{
+ TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
+ if (s->start == s->base && s->base == s->end) return;
+ if (lexical(pwChar[s->base]) == lex_Vowel) return;
+
+ Reorder_Ra_follows_base(pwChar, s, lexical);
+ Reorder_Matra_precede_base(pwChar, s, lexical);
+}
+
+static void Reorder_Like_Devanagari(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
+{
+ TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
+ if (s->start == s->base && s->base == s->end) return;
+ if (lexical(pwChar[s->base]) == lex_Vowel) return;
+
+ Reorder_Ra_follows_matra(pwChar, s, lexical);
+ Reorder_Matra_precede_syllable(pwChar, s, lexical);
+}
+
+static void Reorder_Like_Bengali(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
+{
+ TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
+ if (s->start == s->base && s->base == s->end) return;
+ if (lexical(pwChar[s->base]) == lex_Vowel) return;
+
+ Reorder_Ra_follows_base(pwChar, s, lexical);
+ Reorder_Matra_precede_syllable(pwChar, s, lexical);
+}
+
+static void Reorder_Like_Kannada(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
+{
+ TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
+ if (s->start == s->base && s->base == s->end) return;
+ if (lexical(pwChar[s->base]) == lex_Vowel) return;
+
+ Reorder_Ra_follows_syllable(pwChar, s, lexical);
+ Reorder_Matra_precede_syllable(pwChar, s, lexical);
+}
+
+static void SecondReorder_Like_Telugu(LPWSTR pwChar, IndicSyllable *s, WORD* pwGlyphs, IndicSyllable *g, lexical_function lexical)
+{
+ TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
+ TRACE("Glyphs (%i..%i..%i)\n",g->start,g->base,g->end);
+ if (s->start == s->base && s->base == s->end) return;
+ if (lexical(pwChar[s->base]) == lex_Vowel) return;
+
+ SecondReorder_Blwf_follows_matra(pwChar, s, pwGlyphs, g, lexical);
+}
+
+static void SecondReorder_Like_Tamil(LPWSTR pwChar, IndicSyllable *s, WORD* pwGlyphs, IndicSyllable *g, lexical_function lexical)
+{
+ TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
+ TRACE("Glyphs (%i..%i..%i)\n",g->start,g->base,g->end);
+ if (s->start == s->base && s->base == s->end) return;
+ if (lexical(pwChar[s->base]) == lex_Vowel) return;
+
+ SecondReorder_Matra_precede_base(pwChar, s, pwGlyphs, g, lexical);
+ SecondReorder_Pref_precede_base(pwChar, s, pwGlyphs, g, lexical);
+}
+
+
+static inline void shift_syllable_glyph_indexs(IndicSyllable *glyph_index, INT index, INT shift)
+{
+ if (shift == 0)
+ return;
+
+ if (glyph_index->start > index)
+ glyph_index->start += shift;
+ if (glyph_index->base > index)
+ glyph_index->base+= shift;
+ if (glyph_index->end > index)
+ glyph_index->end+= shift;
+ if (glyph_index->ralf > index)
+ glyph_index->ralf+= shift;
+ if (glyph_index->blwf > index)
+ glyph_index->blwf+= shift;
+ if (glyph_index->pref > index)
+ glyph_index->pref+= shift;
+}
+
+static void Apply_Indic_BasicForm(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index, LoadedFeature *feature )
+{
+ int index = glyph_index->start;
+
+ if (!feature)
+ return;
+
+ while(index <= glyph_index->end)
+ {
+ INT nextIndex;
+ INT prevCount = *pcGlyphs;
+ nextIndex = GSUB_apply_feature_all_lookups(psc->GSUB_Table, feature, pwOutGlyphs, index, 1, pcGlyphs);
+ if (nextIndex > GSUB_E_NOGLYPH)
+ {
+ UpdateClusters(nextIndex, *pcGlyphs - prevCount, 1, cChars, pwLogClust);
+ shift_syllable_glyph_indexs(glyph_index,index,*pcGlyphs - prevCount);
+ index = nextIndex;
+ }
+ else
+ index++;
+ }
+}
+
+static inline INT find_consonant_halant(WCHAR* pwChars, INT index, INT end, lexical_function lexical)
+{
+ int i = 0;
+ while (i + index < end - 1 && !(is_consonant(lexical(pwChars[index+i])) && (lexical(pwChars[index+i+1]) == lex_Halant || (index + i < end - 2 && lexical(pwChars[index+i+1]) == lex_Nukta && lexical(pwChars[index+i+2] == lex_Halant)))))
+ i++;
+ if (index + i <= end-1)
+ return index + i;
+ else
+ return -1;
+}
+
+static void Apply_Indic_PreBase(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index, const char* feature)
+{
+ INT index, nextIndex;
+ INT count,g_offset;
+
+ count = syllable->base - syllable->start;
+
+ g_offset = 0;
+ index = find_consonant_halant(&pwChars[syllable->start], 0, count, lexical);
+ while (index >= 0 && index + g_offset < (glyph_index->base - glyph_index->start))
+ {
+ INT prevCount = *pcGlyphs;
+ nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, index+glyph_index->start+g_offset, 1, pcGlyphs, feature);
+ if (nextIndex > GSUB_E_NOGLYPH)
+ {
+ UpdateClusters(nextIndex, *pcGlyphs - prevCount, 1, cChars, pwLogClust);
+ shift_syllable_glyph_indexs(glyph_index, index + glyph_index->start + g_offset, (*pcGlyphs - prevCount));
+ g_offset += (*pcGlyphs - prevCount);
+ }
+
+ index+=2;
+ index = find_consonant_halant(&pwChars[syllable->start], index, count, lexical);
+ }
+}
+
+static void Apply_Indic_Rphf(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index)
+{
+ INT nextIndex;
+ INT prevCount = *pcGlyphs;
+
+ if (syllable->ralf >= 0)
+ {
+ nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, glyph_index->ralf, 1, pcGlyphs, "rphf");
+ if (nextIndex > GSUB_E_NOGLYPH)
+ {
+ UpdateClusters(nextIndex, *pcGlyphs - prevCount, 1, cChars, pwLogClust);
+ shift_syllable_glyph_indexs(glyph_index,glyph_index->ralf,*pcGlyphs - prevCount);
+ }
+ }
+}
+
+static inline INT find_halant_consonant(WCHAR* pwChars, INT index, INT end, lexical_function lexical)
+{
+ int i = 0;
+ while (index + i < end-1 && !(lexical(pwChars[index+i]) == lex_Halant &&
+ ((index + i < end-2 && lexical(pwChars[index+i]) == lex_Nukta && is_consonant(lexical(pwChars[index+i+1]))) ||
+ is_consonant(lexical(pwChars[index+i+1])))))
+ i++;
+ if (index + i <= end-1)
+ return index+i;
+ else
+ return -1;
+}
+
+static void Apply_Indic_PostBase(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index, BOOL modern, const char* feat)
+{
+ INT index, nextIndex;
+ INT count, g_offset=0;
+ INT ralf = syllable->ralf;
+
+ count = syllable->end - syllable->base;
+
+ index = find_halant_consonant(&pwChars[syllable->base], 0, count, lexical);
+
+ while (index >= 0)
+ {
+ INT prevCount = *pcGlyphs;
+ if (ralf >=0 && ralf < index)
+ {
+ g_offset--;
+ ralf = -1;
+ }
+
+ if (!modern)
+ {
+ WORD g = pwOutGlyphs[index+glyph_index->base+g_offset];
+ pwOutGlyphs[index+glyph_index->base+g_offset] = pwOutGlyphs[index+glyph_index->base+g_offset+1];
+ pwOutGlyphs[index+glyph_index->base+g_offset+1] = g;
+ }
+
+ nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, index+glyph_index->base+g_offset, 1, pcGlyphs, feat);
+ if (nextIndex > GSUB_E_NOGLYPH)
+ {
+ UpdateClusters(nextIndex, *pcGlyphs - prevCount, 1, cChars, pwLogClust);
+ shift_syllable_glyph_indexs(glyph_index,index+glyph_index->start+g_offset, (*pcGlyphs - prevCount));
+ g_offset += (*pcGlyphs - prevCount);
+ }
+ else if (!modern)
+ {
+ WORD g = pwOutGlyphs[index+glyph_index->base+g_offset];
+ pwOutGlyphs[index+glyph_index->base+g_offset] = pwOutGlyphs[index+glyph_index->base+g_offset+1];
+ pwOutGlyphs[index+glyph_index->base+g_offset+1] = g;
+ }
+
+ index+=2;
+ index = find_halant_consonant(&pwChars[syllable->base], index, count, lexical);
+ }
+}
+
+static void ShapeIndicSyllables(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllables, INT syllable_count, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, second_reorder_function second_reorder, BOOL modern)
+{
+ int c;
+ int overall_shift = 0;
+ LoadedFeature *locl = (modern)?load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "locl"):NULL;
+ LoadedFeature *nukt = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "nukt");
+ LoadedFeature *akhn = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "akhn");
+ LoadedFeature *rkrf = (modern)?load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "rkrf"):NULL;
+ LoadedFeature *pstf = load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "pstf");
+ LoadedFeature *vatu = (!rkrf)?load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "vatu"):NULL;
+ LoadedFeature *cjct = (modern)?load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "cjct"):NULL;
+ BOOL rphf = (load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "rphf") != NULL);
+ BOOL pref = (load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "pref") != NULL);
+ BOOL blwf = (load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "blwf") != NULL);
+ BOOL half = (load_OT_feature(hdc, psa, psc, FEATURE_GSUB_TABLE, "half") != NULL);
+ IndicSyllable glyph_indexs;
+
+ for (c = 0; c < syllable_count; c++)
+ {
+ int old_end;
+ memcpy(&glyph_indexs, &syllables[c], sizeof(IndicSyllable));
+ shift_syllable_glyph_indexs(&glyph_indexs, -1, overall_shift);
+ old_end = glyph_indexs.end;
+
+ if (locl)
+ {
+ TRACE("applying feature locl\n");
+ Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, locl);
+ }
+ if (nukt)
+ {
+ TRACE("applying feature nukt\n");
+ Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, nukt);
+ }
+ if (akhn)
+ {
+ TRACE("applying feature akhn\n");
+ Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, akhn);
+ }
+
+ if (rphf)
+ Apply_Indic_Rphf(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs);
+ if (rkrf)
+ {
+ TRACE("applying feature rkrf\n");
+ Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, rkrf);
+ }
+ if (pref)
+ Apply_Indic_PostBase(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, modern, "pref");
+ if (blwf)
+ {
+ if (!modern)
+ Apply_Indic_PreBase(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, "blwf");
+
+ Apply_Indic_PostBase(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, modern, "blwf");
+
+ }
+ if (half)
+ Apply_Indic_PreBase(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, "half");
+ if (pstf)
+ {
+ TRACE("applying feature pstf\n");
+ Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, pstf);
+ }
+ if (vatu)
+ {
+ TRACE("applying feature vatu\n");
+ Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, vatu);
+ }
+ if (cjct)
+ {
+ TRACE("applying feature cjct\n");
+ Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, cjct);
+ }
+
+ if (second_reorder)
+ second_reorder(pwChars, &syllables[c], pwOutGlyphs, &glyph_indexs, lexical);
+
+ overall_shift += glyph_indexs.end - old_end;
+ }
+}
+
+static inline int unicode_lex(WCHAR c)
+{
+ int type;
+
+ if (!c) return lex_Generic;
+ if (c == 0x200D) return lex_ZWJ;
+ if (c == 0x200C) return lex_ZWNJ;
+ if (c == 0x00A0) return lex_NBSP;
+
+ type = get_table_entry( indic_syllabic_table, c );
+
+ if ((type & 0x00ff) != 0x0007) type = type & 0x00ff;
+
+ switch( type )
+ {
+ case 0x0d07: /* Unknown */
+ case 0x0e07: /* Unknwon */
+ default: return lex_Generic;
+ case 0x0001:
+ case 0x0002:
+ case 0x0011:
+ case 0x0012:
+ case 0x0013:
+ case 0x0014: return lex_Modifier;
+ case 0x0003:
+ case 0x0009:
+ case 0x000a:
+ case 0x000b:
+ case 0x000d:
+ case 0x000e:
+ case 0x000f:
+ case 0x0010: return lex_Consonant;
+ case 0x0004: return lex_Nukta;
+ case 0x0005: return lex_Halant;
+ case 0x0006:
+ case 0x0008: return lex_Vowel;
+ case 0x0007:
+ case 0x0107: return lex_Matra_post;
+ case 0x0207:
+ case 0x0307: return lex_Matra_pre;
+ case 0x0807:
+ case 0x0907:
+ case 0x0a07:
+ case 0x0b07:
+ case 0x0c07:
+ case 0x0407: return lex_Composed_Vowel;
+ case 0x0507: return lex_Matra_above;
+ case 0x0607: return lex_Matra_below;
+ case 0x000c:
+ case 0x0015: return lex_Ra;
+ };
+}
+
+static int sinhala_lex(WCHAR c)
+{
+ switch (c)
+ {
+ case 0x0DDA:
+ case 0x0DDD:
+ case 0x0DDC:
+ case 0x0DDE: return lex_Matra_post;
+ default:
+ return unicode_lex(c);
+ }
+}
+
+static const VowelComponents Sinhala_vowels[] = {
+ {0x0DDA, {0x0DD9,0x0DDA,0x0}},
+ {0x0DDC, {0x0DD9,0x0DDC,0x0}},
+ {0x0DDD, {0x0DD9,0x0DDD,0x0}},
+ {0x0DDE, {0x0DD9,0x0DDE,0x0}},
+ {0x0000, {0x0000,0x0000,0x0}}};
+
+static void ContextualShape_Sinhala(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ int i;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR) * (cChars * 3));
+
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Decompose multi part vowels */
+ DecomposeVowels(hdc, input, &cCount, Sinhala_vowels, pwLogClust, cChars);
+
+ TRACE("New double vowel expanded string %s (%i)\n",debugstr_wn(input,cCount),cCount);
+
+ /* Step 2: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, sinhala_lex, Reorder_Like_Sinhala, TRUE);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+
+ /* Step 3: Strip dangling joiners */
+ for (i = 0; i < cCount; i++)
+ {
+ if ((input[i] == 0x200D || input[i] == 0x200C) &&
+ (i == 0 || input[i-1] == 0x0020 || i == cCount-1 || input[i+1] == 0x0020))
+ input[i] = 0x0020;
+ }
+
+ /* Step 4: Base Form application to syllables */
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, sinhala_lex, NULL, TRUE);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int devanagari_lex(WCHAR c)
+{
+ switch (c)
+ {
+ case 0x0930: return lex_Ra;
+ default:
+ return unicode_lex(c);
+ }
+}
+
+static const ConsonantComponents Devanagari_consonants[] ={
+ {{0x0928, 0x093C, 0x00000}, 0x0929},
+ {{0x0930, 0x093C, 0x00000}, 0x0931},
+ {{0x0933, 0x093C, 0x00000}, 0x0934},
+ {{0x0915, 0x093C, 0x00000}, 0x0958},
+ {{0x0916, 0x093C, 0x00000}, 0x0959},
+ {{0x0917, 0x093C, 0x00000}, 0x095A},
+ {{0x091C, 0x093C, 0x00000}, 0x095B},
+ {{0x0921, 0x093C, 0x00000}, 0x095C},
+ {{0x0922, 0x093C, 0x00000}, 0x095D},
+ {{0x092B, 0x093C, 0x00000}, 0x095E},
+ {{0x092F, 0x093C, 0x00000}, 0x095F}};
+
+static void ContextualShape_Devanagari(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, cChars * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Compose Consonant and Nukta */
+ ComposeConsonants(hdc, input, &cCount, Devanagari_consonants, pwLogClust);
+ TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
+
+ /* Step 2: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, devanagari_lex, Reorder_Like_Devanagari, modern);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 3: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, devanagari_lex, NULL, modern);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int bengali_lex(WCHAR c)
+{
+ switch (c)
+ {
+ case 0x09B0: return lex_Ra;
+ default:
+ return unicode_lex(c);
+ }
+}
+
+static const VowelComponents Bengali_vowels[] = {
+ {0x09CB, {0x09C7,0x09BE,0x0000}},
+ {0x09CC, {0x09C7,0x09D7,0x0000}},
+ {0x0000, {0x0000,0x0000,0x0000}}};
+
+static const ConsonantComponents Bengali_consonants[] = {
+ {{0x09A4,0x09CD,0x200D}, 0x09CE},
+ {{0x09A1,0x09BC,0x0000}, 0x09DC},
+ {{0x09A2,0x09BC,0x0000}, 0x09DD},
+ {{0x09AF,0x09BC,0x0000}, 0x09DF},
+ {{0x0000,0x0000,0x0000}, 0x0000}};
+
+static void ContextualShape_Bengali(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, (cChars * 2) * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Decompose Vowels and Compose Consonants */
+ DecomposeVowels(hdc, input, &cCount, Bengali_vowels, pwLogClust, cChars);
+ ComposeConsonants(hdc, input, &cCount, Bengali_consonants, pwLogClust);
+ TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
+
+ /* Step 2: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, bengali_lex, Reorder_Like_Bengali, modern);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 3: Initial form is only applied to the beginning of words */
+ for (cCount = cCount - 1 ; cCount >= 0; cCount --)
+ {
+ if (cCount == 0 || input[cCount] == 0x0020) /* space */
+ {
+ int index = cCount;
+ int gCount = 1;
+ if (index > 0) index++;
+
+ apply_GSUB_feature_to_glyph(hdc, psa, psc, &pwOutGlyphs[index], 0, 1, &gCount, "init");
+ }
+ }
+
+ /* Step 4: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, bengali_lex, NULL, modern);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int gurmukhi_lex(WCHAR c)
+{
+ if (c == 0x0A71)
+ return lex_Modifier;
+ else
+ return unicode_lex(c);
+}
+
+static const ConsonantComponents Gurmukhi_consonants[] = {
+ {{0x0A32,0x0A3C,0x0000}, 0x0A33},
+ {{0x0A16,0x0A3C,0x0000}, 0x0A59},
+ {{0x0A17,0x0A3C,0x0000}, 0x0A5A},
+ {{0x0A1C,0x0A3C,0x0000}, 0x0A5B},
+ {{0x0A2B,0x0A3C,0x0000}, 0x0A5E},
+ {{0x0000,0x0000,0x0000}, 0x0000}};
+
+static void ContextualShape_Gurmukhi(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, cChars * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Compose Consonants */
+ ComposeConsonants(hdc, input, &cCount, Gurmukhi_consonants, pwLogClust);
+ TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
+
+ /* Step 2: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, gurmukhi_lex, Reorder_Like_Bengali, modern);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 3: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gurmukhi_lex, NULL, modern);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int gujarati_lex(WCHAR c)
+{
+ switch (c)
+ {
+ case 0x0AB0: return lex_Ra;
+ default:
+ return unicode_lex(c);
+ }
+}
+
+static void ContextualShape_Gujarati(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, cChars * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, gujarati_lex, Reorder_Like_Devanagari, modern);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 2: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gujarati_lex, NULL, modern);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int oriya_lex(WCHAR c)
+{
+ switch (c)
+ {
+ case 0x0B30: return lex_Ra;
+ default:
+ return unicode_lex(c);
+ }
+}
+
+static const VowelComponents Oriya_vowels[] = {
+ {0x0B48, {0x0B47,0x0B56,0x0000}},
+ {0x0B4B, {0x0B47,0x0B3E,0x0000}},
+ {0x0B4C, {0x0B47,0x0B57,0x0000}},
+ {0x0000, {0x0000,0x0000,0x0000}}};
+
+static const ConsonantComponents Oriya_consonants[] = {
+ {{0x0B21,0x0B3C,0x0000}, 0x0B5C},
+ {{0x0B22,0x0B3C,0x0000}, 0x0B5D},
+ {{0x0000,0x0000,0x0000}, 0x0000}};
+
+static void ContextualShape_Oriya(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, (cChars*2) * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Decompose Vowels and Compose Consonants */
+ DecomposeVowels(hdc, input, &cCount, Oriya_vowels, pwLogClust, cChars);
+ ComposeConsonants(hdc, input, &cCount, Oriya_consonants, pwLogClust);
+ TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
+
+ /* Step 2: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, oriya_lex, Reorder_Like_Bengali, modern);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 3: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, oriya_lex, NULL, modern);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int tamil_lex(WCHAR c)
+{
+ return unicode_lex(c);
+}
+
+static const VowelComponents Tamil_vowels[] = {
+ {0x0BCA, {0x0BC6,0x0BBE,0x0000}},
+ {0x0BCB, {0x0BC7,0x0BBE,0x0000}},
+ {0x0BCB, {0x0BC6,0x0BD7,0x0000}},
+ {0x0000, {0x0000,0x0000,0x0000}}};
+
+static const ConsonantComponents Tamil_consonants[] = {
+ {{0x0B92,0x0BD7,0x0000}, 0x0B94},
+ {{0x0000,0x0000,0x0000}, 0x0000}};
+
+static void ContextualShape_Tamil(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, (cChars*2) * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Decompose Vowels and Compose Consonants */
+ DecomposeVowels(hdc, input, &cCount, Tamil_vowels, pwLogClust, cChars);
+ ComposeConsonants(hdc, input, &cCount, Tamil_consonants, pwLogClust);
+ TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
+
+ /* Step 2: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, tamil_lex, Reorder_Like_Bengali, modern);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 3: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, tamil_lex, SecondReorder_Like_Tamil, modern);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int telugu_lex(WCHAR c)
+{
+ switch (c)
+ {
+ case 0x0C43:
+ case 0x0C44: return lex_Modifier;
+ default:
+ return unicode_lex(c);
+ }
+}
+
+static const VowelComponents Telugu_vowels[] = {
+ {0x0C48, {0x0C46,0x0C56,0x0000}},
+ {0x0000, {0x0000,0x0000,0x0000}}};
+
+static void ContextualShape_Telugu(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, (cChars*2) * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Decompose Vowels */
+ DecomposeVowels(hdc, input, &cCount, Telugu_vowels, pwLogClust, cChars);
+ TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
+
+ /* Step 2: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, telugu_lex, Reorder_Like_Bengali, modern);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 3: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, telugu_lex, SecondReorder_Like_Telugu, modern);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int kannada_lex(WCHAR c)
+{
+ switch (c)
+ {
+ case 0x0CB0: return lex_Ra;
+ default:
+ return unicode_lex(c);
+ }
+}
+
+static const VowelComponents Kannada_vowels[] = {
+ {0x0CC0, {0x0CBF,0x0CD5,0x0000}},
+ {0x0CC7, {0x0CC6,0x0CD5,0x0000}},
+ {0x0CC8, {0x0CC6,0x0CD6,0x0000}},
+ {0x0CCA, {0x0CC6,0x0CC2,0x0000}},
+ {0x0CCB, {0x0CC6,0x0CC2,0x0CD5}},
+ {0x0000, {0x0000,0x0000,0x0000}}};
+
+static void ContextualShape_Kannada(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, (cChars*3) * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Decompose Vowels */
+ DecomposeVowels(hdc, input, &cCount, Kannada_vowels, pwLogClust, cChars);
+ TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
+
+ /* Step 2: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, kannada_lex, Reorder_Like_Kannada, modern);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 3: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, kannada_lex, SecondReorder_Like_Telugu, modern);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int malayalam_lex(WCHAR c)
+{
+ return unicode_lex(c);
+}
+
+static const VowelComponents Malayalam_vowels[] = {
+ {0x0D4A, {0x0D46,0x0D3E,0x0000}},
+ {0x0D4B, {0x0D47,0x0D3E,0x0000}},
+ {0x0D4C, {0x0D46,0x0D57,0x0000}},
+ {0x0000, {0x0000,0x0000,0x0000}}};
+
+static void ContextualShape_Malayalam(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, (cChars*2) * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Decompose Vowels */
+ DecomposeVowels(hdc, input, &cCount, Malayalam_vowels, pwLogClust, cChars);
+ TRACE("New composed string %s (%i)\n",debugstr_wn(input,cCount),cCount);
+
+ /* Step 2: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, malayalam_lex, Reorder_Like_Devanagari, modern);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 3: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, malayalam_lex, SecondReorder_Like_Tamil, modern);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static int khmer_lex(WCHAR c)
+{
+ return unicode_lex(c);
+}
+
+static void ContextualShape_Khmer(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ int cCount = cChars;
+ WCHAR *input;
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ input = HeapAlloc(GetProcessHeap(), 0, cChars * sizeof(WCHAR));
+ memcpy(input, pwcChars, cChars * sizeof(WCHAR));
+
+ /* Step 1: Reorder within Syllables */
+ Indic_ReorderCharacters( hdc, psa, psc, input, cCount, &syllables, &syllable_count, khmer_lex, Reorder_Like_Devanagari, FALSE);
+ TRACE("reordered string %s\n",debugstr_wn(input,cCount));
+ GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
+ *pcGlyphs = cCount;
+
+ /* Step 2: Base Form application to syllables */
+ ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, khmer_lex, NULL, FALSE);
+
+ HeapFree(GetProcessHeap(),0,input);
+ HeapFree(GetProcessHeap(),0,syllables);
+}
+
+static inline BOOL mongolian_wordbreak(WCHAR chr)
+{
+ return ((chr == 0x0020) || (chr == 0x200C) || (chr == 0x202F) || (chr == 0x180E) || (chr == 0x1800) || (chr == 0x1802) || (chr == 0x1803) || (chr == 0x1805) || (chr == 0x1808) || (chr == 0x1809) || (chr == 0x1807));
+}
+
+static void ContextualShape_Mongolian(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ INT *context_shape;
+ INT dirL;
+ int i;
+
+ if (*pcGlyphs != cChars)
+ {
+ ERR("Number of Glyphs and Chars need to match at the beginning\n");
+ return;
+ }
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ dirL = -1;
+ else
+ dirL = 1;
+
+ if (!psc->GSUB_Table)
+ return;
+
+ context_shape = HeapAlloc(GetProcessHeap(),0,sizeof(INT) * cChars);
+
+ for (i = 0; i < cChars; i++)
+ {
+ if (i == 0 || mongolian_wordbreak(pwcChars[i-1]))
+ {
+ if ((i == cChars-1) || mongolian_wordbreak(pwcChars[i+1]))
+ context_shape[i] = Xn;
+ else
+ context_shape[i] = Xl;
+ }
+ else
+ {
+ if ((i == cChars-1) || mongolian_wordbreak(pwcChars[i+1]))
+ context_shape[i] = Xr;
+ else
+ context_shape[i] = Xm;
+ }
+ }
+
+ /* Contextual Shaping */
+ i = 0;
+ while(i < *pcGlyphs)
+ {
+ INT nextIndex;
+ INT prevCount = *pcGlyphs;
+ nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, i, dirL, pcGlyphs, contextual_features[context_shape[i]]);
+ if (nextIndex > GSUB_E_NOGLYPH)
+ {
+ UpdateClusters(nextIndex, *pcGlyphs - prevCount, dirL, cChars, pwLogClust);
+ i = nextIndex;
+ }
+ else
+ i++;
+ }
+
+ HeapFree(GetProcessHeap(),0,context_shape);
+}
+
+static void ShapeCharGlyphProp_Default( ScriptCache* psc, SCRIPT_ANALYSIS* psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD* pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP* pGlyphProp)
+{
+ int i,k;
+
+ for (i = 0; i < cGlyphs; i++)
+ {
+ int char_index[20];
+ int char_count = 0;
+
+ k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
+ if (k>=0)
+ {
+ for (; k < cChars && pwLogClust[k] == i; k++)
+ char_index[char_count++] = k;
+ }
+
+ if (char_count == 0)
+ continue;
+
+ if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
+ {
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_BLANK;
+ pCharProp[char_index[0]].fCanGlyphAlone = 1;
+ }
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_CHARACTER;
+ }
+
+ OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
+ UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
+}
+
+static void ShapeCharGlyphProp_Latin( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ int i;
+
+ ShapeCharGlyphProp_Default( psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp);
+
+ for (i = 0; i < cGlyphs; i++)
+ if (pGlyphProp[i].sva.fZeroWidth)
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+}
+
+static void ShapeCharGlyphProp_Control( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ int i;
+ for (i = 0; i < cGlyphs; i++)
+ {
+ pGlyphProp[i].sva.fClusterStart = 1;
+ pGlyphProp[i].sva.fDiacritic = 0;
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_BLANK;
+
+ if (pwGlyphs[i] == psc->sfp.wgDefault)
+ pGlyphProp[i].sva.fZeroWidth = 0;
+ else
+ pGlyphProp[i].sva.fZeroWidth = 1;
+ }
+}
+
+static void ShapeCharGlyphProp_Arabic( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ int i,k;
+ int initGlyph, finaGlyph;
+ INT dirR, dirL;
+ BYTE *spaces;
+
+ spaces = HeapAlloc(GetProcessHeap(),0,cGlyphs);
+ memset(spaces,0,cGlyphs);
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ {
+ initGlyph = cGlyphs-1;
+ finaGlyph = 0;
+ dirR = 1;
+ dirL = -1;
+ }
+ else
+ {
+ initGlyph = 0;
+ finaGlyph = cGlyphs-1;
+ dirR = -1;
+ dirL = 1;
+ }
+
+ for (i = 0; i < cGlyphs; i++)
+ {
+ for (k = 0; k < cChars; k++)
+ if (pwLogClust[k] == i)
+ {
+ if (pwcChars[k] == 0x0020)
+ spaces[i] = 1;
+ }
+ }
+
+ for (i = 0; i < cGlyphs; i++)
+ {
+ int char_index[20];
+ int char_count = 0;
+ BOOL isInit, isFinal;
+
+ k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
+ if (k>=0)
+ {
+ for (; k < cChars && pwLogClust[k] == i; k++)
+ char_index[char_count++] = k;
+ }
+
+ isInit = (i == initGlyph || (i+dirR > 0 && i+dirR < cGlyphs && spaces[i+dirR]));
+ isFinal = (i == finaGlyph || (i+dirL > 0 && i+dirL < cGlyphs && spaces[i+dirL]));
+
+ if (char_count == 0)
+ continue;
+
+ if (char_count == 1)
+ {
+ if (pwcChars[char_index[0]] == 0x0020) /* space */
+ {
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_BLANK;
+ pCharProp[char_index[0]].fCanGlyphAlone = 1;
+ }
+ else if (pwcChars[char_index[0]] == 0x0640) /* kashida */
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_KASHIDA;
+ else if (pwcChars[char_index[0]] == 0x0633) /* SEEN */
+ {
+ if (!isInit && !isFinal)
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_SEEN_M;
+ else if (isInit)
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_SEEN;
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ }
+ else if (!isInit)
+ {
+ if (pwcChars[char_index[0]] == 0x0628 ) /* BA */
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_BA;
+ else if (pwcChars[char_index[0]] == 0x0631 ) /* RA */
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_RA;
+ else if (pwcChars[char_index[0]] == 0x0647 ) /* HA */
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_HA;
+ else if ((pwcChars[char_index[0]] == 0x0627 || pwcChars[char_index[0]] == 0x0625 || pwcChars[char_index[0]] == 0x0623 || pwcChars[char_index[0]] == 0x0622) ) /* alef-like */
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_ALEF;
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ }
+ else if (!isInit && !isFinal)
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_NORMAL;
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ }
+ else if (char_count == 2)
+ {
+ if ((pwcChars[char_index[0]] == 0x0628 && pwcChars[char_index[1]]== 0x0631) || (pwcChars[char_index[0]] == 0x0631 && pwcChars[char_index[1]]== 0x0628)) /* BA+RA */
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_BARA;
+ else if (!isInit)
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_NORMAL;
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ }
+ else if (!isInit && !isFinal)
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_ARABIC_NORMAL;
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ }
+
+ OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
+ UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
+ HeapFree(GetProcessHeap(),0,spaces);
+}
+
+static void ShapeCharGlyphProp_Hebrew( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ int i,k;
+
+ for (i = 0; i < cGlyphs; i++)
+ {
+ int char_index[20];
+ int char_count = 0;
+
+ k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
+ if (k>=0)
+ {
+ for (; k < cChars && pwLogClust[k] == i; k++)
+ char_index[char_count++] = k;
+ }
+
+ if (char_count == 0)
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ else
+ {
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_CHARACTER;
+ if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
+ pCharProp[char_index[0]].fCanGlyphAlone = 1;
+ }
+ }
+
+ OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
+ UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
+}
+
+static void ShapeCharGlyphProp_Thai( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ int i;
+ int finaGlyph;
+ INT dirL;
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ {
+ finaGlyph = 0;
+ dirL = -1;
+ }
+ else
+ {
+ finaGlyph = cGlyphs-1;
+ dirL = 1;
+ }
+
+ OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
+
+ for (i = 0; i < cGlyphs; i++)
+ {
+ int k;
+ int char_index[20];
+ int char_count = 0;
+
+ k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
+ if (k>=0)
+ {
+ for (; k < cChars && pwLogClust[k] == i; k++)
+ char_index[char_count++] = k;
+ }
+
+ if (i == finaGlyph)
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_CHARACTER;
+
+ if (char_count == 0)
+ continue;
+
+ if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
+ pCharProp[char_index[0]].fCanGlyphAlone = 1;
+
+ /* handle Thai SARA AM (U+0E33) differently than GDEF */
+ if (char_count == 1 && pwcChars[char_index[0]] == 0x0e33)
+ pGlyphProp[i].sva.fClusterStart = 0;
+ }
+
+ UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
+
+ /* Do not allow justification between marks and their base */
+ for (i = 0; i < cGlyphs; i++)
+ {
+ if (!pGlyphProp[i].sva.fClusterStart)
+ pGlyphProp[i-dirL].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ }
+}
+
+static void ShapeCharGlyphProp_None( HDC hdc, ScriptCache* psc, SCRIPT_ANALYSIS* psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD* pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP* pGlyphProp)
+{
+ int i,k;
+
+ for (i = 0; i < cGlyphs; i++)
+ {
+ int char_index[20];
+ int char_count = 0;
+
+ k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
+ if (k>=0)
+ {
+ for (; k < cChars && pwLogClust[k] == i; k++)
+ char_index[char_count++] = k;
+ }
+
+ if (char_count == 0)
+ continue;
+
+ if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
+ {
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_CHARACTER;
+ pCharProp[char_index[0]].fCanGlyphAlone = 1;
+ }
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ }
+ OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
+ UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
+}
+
+static void ShapeCharGlyphProp_Tibet( HDC hdc, ScriptCache* psc, SCRIPT_ANALYSIS* psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD* pwLogClust, SCRIPT_CHARPROP* pCharProp, SCRIPT_GLYPHPROP* pGlyphProp)
+{
+ int i,k;
+
+ for (i = 0; i < cGlyphs; i++)
+ {
+ int char_index[20];
+ int char_count = 0;
+
+ k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
+ if (k>=0)
+ {
+ for (; k < cChars && pwLogClust[k] == i; k++)
+ char_index[char_count++] = k;
+ }
+
+ if (char_count == 0)
+ continue;
+
+ if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
+ {
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_BLANK;
+ pCharProp[char_index[0]].fCanGlyphAlone = 1;
+ }
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ }
+ OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
+ UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
+
+ /* Tibeten script does not set sva.fDiacritic or sva.fZeroWidth */
+ for (i = 0; i < cGlyphs; i++)
+ {
+ if (!pGlyphProp[i].sva.fClusterStart)
+ {
+ pGlyphProp[i].sva.fDiacritic = 0;
+ pGlyphProp[i].sva.fZeroWidth = 0;
+ }
+ }
+}
+
+static void ShapeCharGlyphProp_BaseIndic( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp, lexical_function lexical, BOOL use_syllables, BOOL override_gsub)
+{
+ int i,k;
+
+ OpenType_GDEF_UpdateGlyphProps(psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
+ for (i = 0; i < cGlyphs; i++)
+ {
+ int char_index[20];
+ int char_count = 0;
+
+ k = USP10_FindGlyphInLogClust(pwLogClust, cChars, i);
+ if (k>=0)
+ {
+ for (; k < cChars && pwLogClust[k] == i; k++)
+ char_index[char_count++] = k;
+ }
+
+ if (override_gsub)
+ {
+ /* Most indic scripts do not set fDiacritic or fZeroWidth */
+ pGlyphProp[i].sva.fDiacritic = FALSE;
+ pGlyphProp[i].sva.fZeroWidth = FALSE;
+ }
+
+ if (char_count == 0)
+ {
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+ continue;
+ }
+
+ if (char_count ==1 && pwcChars[char_index[0]] == 0x0020) /* space */
+ {
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_BLANK;
+ pCharProp[char_index[0]].fCanGlyphAlone = 1;
+ }
+ else
+ pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
+
+ pGlyphProp[i].sva.fClusterStart = 0;
+ for (k = 0; k < char_count && !pGlyphProp[i].sva.fClusterStart; k++)
+ switch (lexical(pwcChars[char_index[k]]))
+ {
+ case lex_Matra_pre:
+ case lex_Matra_post:
+ case lex_Matra_above:
+ case lex_Matra_below:
+ case lex_Modifier:
+ case lex_Halant:
+ break;
+ case lex_ZWJ:
+ case lex_ZWNJ:
+ /* check for dangling joiners */
+ if (pwcChars[char_index[k]-1] == 0x0020 || pwcChars[char_index[k]+1] == 0x0020)
+ pGlyphProp[i].sva.fClusterStart = 1;
+ else
+ k = char_count;
+ break;
+ default:
+ pGlyphProp[i].sva.fClusterStart = 1;
+ break;
+ }
+ }
+
+ if (use_syllables)
+ {
+ IndicSyllable *syllables = NULL;
+ int syllable_count = 0;
+ BOOL modern = get_GSUB_Indic2(psa, psc);
+
+ Indic_ParseSyllables( hdc, psa, psc, pwcChars, cChars, &syllables, &syllable_count, lexical, modern);
+
+ for (i = 0; i < syllable_count; i++)
+ {
+ int j;
+ WORD g = pwLogClust[syllables[i].start];
+ for (j = syllables[i].start+1; j <= syllables[i].end; j++)
+ {
+ if (pwLogClust[j] != g)
+ {
+ pGlyphProp[pwLogClust[j]].sva.fClusterStart = 0;
+ pwLogClust[j] = g;
+ }
+ }
+ }
+
+ HeapFree(GetProcessHeap(), 0, syllables);
+ }
+
+ UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
+}
+
+static void ShapeCharGlyphProp_Sinhala( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, sinhala_lex, FALSE, FALSE);
+}
+
+static void ShapeCharGlyphProp_Devanagari( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, devanagari_lex, TRUE, TRUE);
+}
+
+static void ShapeCharGlyphProp_Bengali( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, bengali_lex, TRUE, TRUE);
+}
+
+static void ShapeCharGlyphProp_Gurmukhi( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, gurmukhi_lex, TRUE, TRUE);
+}
+
+static void ShapeCharGlyphProp_Gujarati( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, gujarati_lex, TRUE, TRUE);
+}
+
+static void ShapeCharGlyphProp_Oriya( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, oriya_lex, TRUE, TRUE);
+}
+
+static void ShapeCharGlyphProp_Tamil( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, tamil_lex, TRUE, TRUE);
+}
+
+static void ShapeCharGlyphProp_Telugu( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, telugu_lex, TRUE, TRUE);
+}
+
+static void ShapeCharGlyphProp_Kannada( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, kannada_lex, TRUE, TRUE);
+}
+
+static void ShapeCharGlyphProp_Malayalam( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, malayalam_lex, TRUE, TRUE);
+}
+
+static void ShapeCharGlyphProp_Khmer( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp )
+{
+ ShapeCharGlyphProp_BaseIndic(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp, khmer_lex, TRUE, TRUE);
+}
+
+void SHAPE_CharGlyphProp(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp)
+{
+ load_ot_tables(hdc, psc);
+
+ if (ShapingData[psa->eScript].charGlyphPropProc)
+ ShapingData[psa->eScript].charGlyphPropProc(hdc, psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp);
+ else
+ ShapeCharGlyphProp_Default(psc, psa, pwcChars, cChars, pwGlyphs, cGlyphs, pwLogClust, pCharProp, pGlyphProp);
+}
+
+void SHAPE_ContextualShaping(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
+{
+ load_ot_tables(hdc, psc);
+
+ if (ShapingData[psa->eScript].contextProc)
+ ShapingData[psa->eScript].contextProc(hdc, psc, psa, pwcChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust);
+}
+
+static void SHAPE_ApplyOpenTypeFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, INT cChars, const TEXTRANGE_PROPERTIES *rpRangeProperties, WORD *pwLogClust)
+{
+ int i;
+ INT dirL;
+
+ if (!rpRangeProperties)
+ return;
+
+ load_ot_tables(hdc, psc);
+
+ if (!psc->GSUB_Table)
+ return;
+
+ if (!psa->fLogicalOrder && psa->fRTL)
+ dirL = -1;
+ else
+ dirL = 1;
+
+ for (i = 0; i < rpRangeProperties->cotfRecords; i++)
+ {
+ if (rpRangeProperties->potfRecords[i].lParameter > 0)
+ apply_GSUB_feature(hdc, psa, psc, pwOutGlyphs, dirL, pcGlyphs, cChars, (const char*)&rpRangeProperties->potfRecords[i].tagFeature, pwLogClust);
+ }
+}
+
+void SHAPE_ApplyDefaultOpentypeFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, INT cChars, WORD *pwLogClust)
+{
+const TEXTRANGE_PROPERTIES *rpRangeProperties;
+rpRangeProperties = &ShapingData[psa->eScript].defaultTextRange;
+
+ SHAPE_ApplyOpenTypeFeatures(hdc, psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, rpRangeProperties, pwLogClust);
+}
+
+void SHAPE_ApplyOpenTypePositions(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WORD* pwGlyphs, INT cGlyphs, int *piAdvance, GOFFSET *pGoffset )
+{
+ const TEXTRANGE_PROPERTIES *rpRangeProperties;
+ int i;
+
+ rpRangeProperties = &ShapingData[psa->eScript].defaultGPOSTextRange;
+
+ if (!rpRangeProperties)
+ return;
+
+ load_ot_tables(hdc, psc);
+
+ if (!psc->GPOS_Table || !psc->otm)
+ return;
+
+ for (i = 0; i < rpRangeProperties->cotfRecords; i++)
+ {
+ if (rpRangeProperties->potfRecords[i].lParameter > 0)
+ {
+ LoadedFeature *feature;
+
+ feature = load_OT_feature(hdc, psa, psc, FEATURE_GPOS_TABLE, (const char*)&rpRangeProperties->potfRecords[i].tagFeature);
+ if (!feature)
+ continue;
+
+ GPOS_apply_feature(psc, psc->otm, &psc->lf, psa, piAdvance, feature, pwGlyphs, cGlyphs, pGoffset);
+ }
+ }
+}
+
+HRESULT SHAPE_CheckFontForRequiredFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa)
+{
+ LoadedFeature *feature;
+ int i;
+
+ if (!ShapingData[psa->eScript].requiredFeatures)
+ return S_OK;
+
+ load_ot_tables(hdc, psc);
+
+ /* we need to have at least one of the required features */
+ i = 0;
+ while (ShapingData[psa->eScript].requiredFeatures[i])
+ {
+ feature = load_OT_feature(hdc, psa, psc, FEATURE_ALL_TABLES, ShapingData[psa->eScript].requiredFeatures[i]);
+ if (feature)
+ return S_OK;
+ i++;
+ }
+
+ return USP_E_SCRIPT_NOT_IN_FONT;
+}
+
+HRESULT SHAPE_GetFontScriptTags( HDC hdc, ScriptCache *psc,
+ SCRIPT_ANALYSIS *psa, int cMaxTags,
+ OPENTYPE_TAG *pScriptTags, int *pcTags)
+{
+ HRESULT hr;
+ OPENTYPE_TAG searching = 0x00000000;
+
+ load_ot_tables(hdc, psc);
+
+ if (psa && scriptInformation[psa->eScript].scriptTag)
+ searching = scriptInformation[psa->eScript].scriptTag;
+
+ hr = OpenType_GetFontScriptTags(psc, searching, cMaxTags, pScriptTags, pcTags);
+ if (FAILED(hr))
+ *pcTags = 0;
+ return hr;
+}
+
+HRESULT SHAPE_GetFontLanguageTags( HDC hdc, ScriptCache *psc,
+ SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
+ int cMaxTags, OPENTYPE_TAG *pLangSysTags,
+ int *pcTags)
+{
+ HRESULT hr;
+ OPENTYPE_TAG searching = 0x00000000;
+ BOOL fellback = FALSE;
+
+ load_ot_tables(hdc, psc);
+
+ if (psa && psc->userLang != 0)
+ searching = psc->userLang;
+
+ hr = OpenType_GetFontLanguageTags(psc, tagScript, searching, cMaxTags, pLangSysTags, pcTags);
+ if (FAILED(hr))
+ {
+ fellback = TRUE;
+ hr = OpenType_GetFontLanguageTags(psc, MS_MAKE_TAG('l','a','t','n'), searching, cMaxTags, pLangSysTags, pcTags);
+ }
+
+ if (FAILED(hr) || fellback)
+ *pcTags = 0;
+ if (SUCCEEDED(hr) && fellback && psa)
+ hr = E_INVALIDARG;
+ return hr;
+}
+
+HRESULT SHAPE_GetFontFeatureTags( HDC hdc, ScriptCache *psc,
+ SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
+ OPENTYPE_TAG tagLangSys, int cMaxTags,
+ OPENTYPE_TAG *pFeatureTags, int *pcTags)
+{
+ HRESULT hr;
+ BOOL filter = FALSE;
+
+ load_ot_tables(hdc, psc);
+
+ if (psa && scriptInformation[psa->eScript].scriptTag)
+ {
+ FIXME("Filtering not implemented\n");
+ filter = TRUE;
+ }
+
+ hr = OpenType_GetFontFeatureTags(psc, tagScript, tagLangSys, filter, 0x00000000, FEATURE_ALL_TABLES, cMaxTags, pFeatureTags, pcTags, NULL);
+
+ if (FAILED(hr))
+ *pcTags = 0;
+ return hr;
}
projects / reactos.git / blobdiff