Module: wine Branch: master Commit: c9cbde73c014554eb43cc24564f59973e3b55bf6 URL: http://source.winehq.org/git/wine.git/?a=commit;h=c9cbde73c014554eb43cc24564...
Author: Phil Krylov phil.krylov@gmail.com Date: Fri Mar 8 20:24:59 2013 +0400
usp10: Support GPOS extension lookup subtables.
---
dlls/usp10/opentype.c | 93 ++++++++++++++++++++++++++++++++---------------- 1 files changed, 62 insertions(+), 31 deletions(-)
diff --git a/dlls/usp10/opentype.c b/dlls/usp10/opentype.c index a48a607..166d823 100644 --- a/dlls/usp10/opentype.c +++ b/dlls/usp10/opentype.c @@ -479,6 +479,12 @@ typedef struct { GPOS_PosLookupRecord PosLookupRecord[1]; } GPOS_ChainContextPosFormat3_4;
+typedef struct { + WORD PosFormat; + WORD ExtensionLookupType; + DWORD ExtensionOffset; +} GPOS_ExtensionPosFormat1; + /********** * CMAP **********/ @@ -1166,6 +1172,25 @@ static VOID GPOS_get_value_record_offsets(const BYTE* head, GPOS_ValueRecord *Va if (ValueFormat & 0xFF00) FIXME("Unhandled Value Format %x\n",ValueFormat&0xFF00); }
+static const BYTE *GPOS_get_subtable(const OT_LookupTable *look, int index) +{ + int offset = GET_BE_WORD(look->SubTable[index]); + + if (GET_BE_WORD(look->LookupType) == 9) + { + const GPOS_ExtensionPosFormat1 *ext = (const GPOS_ExtensionPosFormat1 *)((const BYTE *)look + offset); + if (GET_BE_WORD(ext->PosFormat) == 1) + { + offset += GET_BE_DWORD(ext->ExtensionOffset); + } + else + { + FIXME("Unhandled Extension Positioning Format %i\n",GET_BE_WORD(ext->PosFormat)); + } + } + return (const BYTE *)look + offset; +} + static VOID GPOS_apply_SingleAdjustment(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis, const WORD *glyphs, INT glyph_index, INT glyph_count, INT ppem, LPPOINT ptAdjust, LPPOINT ptAdvance) { @@ -1175,9 +1200,8 @@ static VOID GPOS_apply_SingleAdjustment(const OT_LookupTable *look, const SCRIPT
for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++) { - const GPOS_SinglePosFormat1 *spf1; - WORD offset = GET_BE_WORD(look->SubTable[j]); - spf1 = (const GPOS_SinglePosFormat1*)((const BYTE*)look+offset); + const GPOS_SinglePosFormat1 *spf1 = (const GPOS_SinglePosFormat1*)GPOS_get_subtable(look, j); + WORD offset; if (GET_BE_WORD(spf1->PosFormat) == 1) { offset = GET_BE_WORD(spf1->Coverage); @@ -1253,9 +1277,8 @@ static INT GPOS_apply_PairAdjustment(const OT_LookupTable *look, const SCRIPT_AN
for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++) { - const GPOS_PairPosFormat1 *ppf1; - WORD offset = GET_BE_WORD(look->SubTable[j]); - ppf1 = (const GPOS_PairPosFormat1*)((const BYTE*)look+offset); + const GPOS_PairPosFormat1 *ppf1 = (const GPOS_PairPosFormat1*)GPOS_get_subtable(look, j); + WORD offset; if (GET_BE_WORD(ppf1->PosFormat) == 1) { int index; @@ -1292,7 +1315,7 @@ static INT GPOS_apply_PairAdjustment(const OT_LookupTable *look, const SCRIPT_AN } else if (GET_BE_WORD(ppf1->PosFormat) == 2) { - const GPOS_PairPosFormat2 *ppf2 = (const GPOS_PairPosFormat2*)((const BYTE*)look + offset); + const GPOS_PairPosFormat2 *ppf2 = (const GPOS_PairPosFormat2*)ppf1; int index; WORD ValueFormat1 = GET_BE_WORD( ppf2->ValueFormat1 ); WORD ValueFormat2 = GET_BE_WORD( ppf2->ValueFormat2 ); @@ -1339,13 +1362,11 @@ static VOID GPOS_apply_CursiveAttachment(const OT_LookupTable *look, const SCRIP
for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++) { - const GPOS_CursivePosFormat1 *cpf1; - WORD offset = GET_BE_WORD(look->SubTable[j]); - cpf1 = (const GPOS_CursivePosFormat1*)((const BYTE*)look+offset); + const GPOS_CursivePosFormat1 *cpf1 = (const GPOS_CursivePosFormat1 *)GPOS_get_subtable(look, j); if (GET_BE_WORD(cpf1->PosFormat) == 1) { int index_exit, index_entry; - offset = GET_BE_WORD( cpf1->Coverage ); + WORD offset = GET_BE_WORD( cpf1->Coverage ); index_exit = GSUB_is_glyph_covered((const BYTE*)cpf1+offset, glyphs[glyph_index]); if (index_exit != -1 && cpf1->EntryExitRecord[index_exit].ExitAnchor!= 0) { @@ -1389,10 +1410,7 @@ static int GPOS_apply_MarkToBase(ScriptCache *psc, const OT_LookupTable *look, c
for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++) { - int offset; - const GPOS_MarkBasePosFormat1 *mbpf1; - offset = GET_BE_WORD(look->SubTable[j]); - mbpf1 = (const GPOS_MarkBasePosFormat1*)((const BYTE*)look+offset); + const GPOS_MarkBasePosFormat1 *mbpf1 = (const GPOS_MarkBasePosFormat1 *)GPOS_get_subtable(look, j); if (GET_BE_WORD(mbpf1->PosFormat) == 1) { int offset = GET_BE_WORD(mbpf1->MarkCoverage); @@ -1466,10 +1484,7 @@ static VOID GPOS_apply_MarkToLigature(const OT_LookupTable *look, const SCRIPT_A
for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++) { - int offset; - const GPOS_MarkLigPosFormat1 *mlpf1; - offset = GET_BE_WORD(look->SubTable[j]); - mlpf1 = (const GPOS_MarkLigPosFormat1*)((const BYTE*)look+offset); + const GPOS_MarkLigPosFormat1 *mlpf1 = (const GPOS_MarkLigPosFormat1 *)GPOS_get_subtable(look, j); if (GET_BE_WORD(mlpf1->PosFormat) == 1) { int offset = GET_BE_WORD(mlpf1->MarkCoverage); @@ -1560,10 +1575,7 @@ static BOOL GPOS_apply_MarkToMark(const OT_LookupTable *look, const SCRIPT_ANALY
for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++) { - int offset; - const GPOS_MarkMarkPosFormat1 *mmpf1; - offset = GET_BE_WORD(look->SubTable[j]); - mmpf1 = (const GPOS_MarkMarkPosFormat1*)((const BYTE*)look+offset); + const GPOS_MarkMarkPosFormat1 *mmpf1 = (const GPOS_MarkMarkPosFormat1 *)GPOS_get_subtable(look, j); if (GET_BE_WORD(mmpf1->PosFormat) == 1) { int offset = GET_BE_WORD(mmpf1->Mark1Coverage); @@ -1590,7 +1602,7 @@ static BOOL GPOS_apply_MarkToMark(const OT_LookupTable *look, const SCRIPT_ANALY ma = (const GPOS_MarkArray*)((const BYTE*)mmpf1 + offset); if (mark_index > GET_BE_WORD(ma->MarkCount)) { - ERR("Mark index exeeded mark count\n"); + ERR("Mark index exceeded mark count\n"); return FALSE; } mr = &ma->MarkRecord[mark_index]; @@ -1631,13 +1643,10 @@ static INT GPOS_apply_ChainContextPos(ScriptCache *psc, LPOUTLINETEXTMETRICW lpo for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++) { int offset; - const GPOS_ChainContextPosFormat3_1 *ccpf3; + const GPOS_ChainContextPosFormat3_1 *ccpf3 = (GPOS_ChainContextPosFormat3_1 *)GPOS_get_subtable(look, j); int dirLookahead = write_dir; int dirBacktrack = -1 * write_dir;
- offset = GET_BE_WORD(look->SubTable[j]); - ccpf3 = (const GPOS_ChainContextPosFormat3_1*)((const BYTE*)look+offset); - if (GET_BE_WORD(ccpf3->PosFormat) == 1) { FIXME(" TODO: subtype 1 (Simple Chaining Context Glyph Positioning)\n"); @@ -1723,11 +1732,33 @@ static INT GPOS_apply_lookup(ScriptCache *psc, LPOUTLINETEXTMETRICW lpotm, LPLOG int offset; const OT_LookupTable *look; int ppem = lpotm->otmTextMetrics.tmAscent + lpotm->otmTextMetrics.tmDescent - lpotm->otmTextMetrics.tmInternalLeading; + WORD type;
offset = GET_BE_WORD(lookup->Lookup[lookup_index]); look = (const OT_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)) + type = GET_BE_WORD(look->LookupType); + TRACE("type %i, flag %x, subtables %i\n",type,GET_BE_WORD(look->LookupFlag),GET_BE_WORD(look->SubTableCount)); + if (type == 9) + { + if (GET_BE_WORD(look->SubTableCount)) + { + const GPOS_ExtensionPosFormat1 *ext = (const GPOS_ExtensionPosFormat1 *)((const BYTE *)look + GET_BE_WORD(look->SubTable[0])); + if (GET_BE_WORD(ext->PosFormat) == 1) + { + type = GET_BE_WORD(ext->ExtensionLookupType); + TRACE("extension type %i\n",type); + } + else + { + FIXME("Unhandled Extension Positioning Format %i\n",GET_BE_WORD(ext->PosFormat)); + } + } + else + { + WARN("lookup type is Extension Positioning but no extension subtable exists\n"); + } + } + switch (type) { case 1: { @@ -1849,7 +1880,7 @@ static INT GPOS_apply_lookup(ScriptCache *psc, LPOUTLINETEXTMETRICW lpotm, LPLOG return GPOS_apply_ChainContextPos(psc, lpotm, lplogfont, analysis, piAdvance, lookup, look, glyphs, glyph_index, glyph_count, ppem, pGoffset); } default: - FIXME("We do not handle SubType %i\n",GET_BE_WORD(look->LookupType)); + FIXME("We do not handle SubType %i\n",type); } return glyph_index+1; }
-
Alexandre Julliard