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usp10: GPOS Mark to Base seeks back in the string to the first glyph that is not a mark for its base.

This commit is contained in:
Aric Stewart 2013-01-18 10:35:32 -06:00 committed by Alexandre Julliard
parent 287243a9b9
commit c1f190a0c5
3 changed files with 39 additions and 24 deletions
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53
dlls/usp10/opentype.c
View File

@ -1054,7 +1054,7 @@ INT OpenType_apply_GSUB_lookup(LPCVOID table, INT lookup_index, WORD *glyphs, IN
/**********
* GPOS
**********/
static INT GPOS_apply_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance,
static INT GPOS_apply_lookup(ScriptCache *psc, LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance,
const OT_LookupList* lookup, INT lookup_index, const WORD *glyphs, INT glyph_index, INT glyph_count, GOFFSET *pGoffset);
static INT GPOS_get_device_table_value(const OT_DeviceTable *DeviceTable, WORD ppem)
@ -1370,11 +1370,20 @@ static VOID GPOS_apply_CursiveAttachment(const OT_LookupTable *look, const SCRIP
return;
}
static VOID GPOS_apply_MarkToBase(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis, const WORD *glyphs, INT glyph_index,
INT glyph_count, INT ppem, LPPOINT pt)
static int GPOS_apply_MarkToBase(ScriptCache *psc, const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis, const WORD *glyphs, INT glyph_index, INT glyph_count, INT ppem, LPPOINT pt)
{
int j;
int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
void *glyph_class_table = NULL;
int rc = -1;
if (psc->GDEF_Table)
{
const GDEF_Header *header = psc->GDEF_Table;
WORD offset = GET_BE_WORD( header->GlyphClassDef );
if (offset)
glyph_class_table = (BYTE *)psc->GDEF_Table + offset;
}
TRACE("MarkToBase Attachment Positioning Subtable\n");
@ -1392,8 +1401,16 @@ static VOID GPOS_apply_MarkToBase(const OT_LookupTable *look, const SCRIPT_ANALY
if (mark_index != -1)
{
int base_index;
int base_glyph = glyph_index - write_dir;
if (glyph_class_table)
{
while (OT_get_glyph_class(glyph_class_table, glyphs[base_glyph]) == MarkGlyph && base_glyph > 0 && base_glyph < glyph_count)
base_glyph -= write_dir;
}
offset = GET_BE_WORD(mbpf1->BaseCoverage);
base_index = GSUB_is_glyph_covered((const BYTE*)mbpf1+offset, glyphs[glyph_index - write_dir]);
base_index = GSUB_is_glyph_covered((const BYTE*)mbpf1+offset, glyphs[base_glyph]);
if (base_index != -1)
{
const GPOS_MarkArray *ma;
@ -1405,13 +1422,13 @@ static VOID GPOS_apply_MarkToBase(const OT_LookupTable *look, const SCRIPT_ANALY
int baserecord_size;
POINT base_pt;
POINT mark_pt;
TRACE("Mark %x(%i) and base %x(%i)\n",glyphs[glyph_index], mark_index, glyphs[glyph_index - write_dir], base_index);
TRACE("Mark %x(%i) and base %x(%i)\n",glyphs[glyph_index], mark_index, glyphs[base_glyph], base_index);
offset = GET_BE_WORD(mbpf1->MarkArray);
ma = (const GPOS_MarkArray*)((const BYTE*)mbpf1 + offset);
if (mark_index > GET_BE_WORD(ma->MarkCount))
{
ERR("Mark index exeeded mark count\n");
return;
return -1;
}
mr = &ma->MarkRecord[mark_index];
mark_class = GET_BE_WORD(mr->Class);
@ -1429,12 +1446,14 @@ static VOID GPOS_apply_MarkToBase(const OT_LookupTable *look, const SCRIPT_ANALY
pt->x += base_pt.x - mark_pt.x;
pt->y += base_pt.y - mark_pt.y;
TRACE("Resulting cumulative offset is %i,%i design units\n",pt->x,pt->y);
rc = base_glyph;
}
}
}
else
FIXME("Unhandled Mark To Base Format %i\n",GET_BE_WORD(mbpf1->PosFormat));
}
return rc;
}
static VOID GPOS_apply_MarkToLigature(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis, const WORD *glyphs, INT glyph_index,
@ -1600,7 +1619,7 @@ static BOOL GPOS_apply_MarkToMark(const OT_LookupTable *look, const SCRIPT_ANALY
return rc;
}
static INT GPOS_apply_ChainContextPos(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance,
static INT GPOS_apply_ChainContextPos(ScriptCache *psc, LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance,
const OT_LookupList *lookup, const OT_LookupTable *look, const WORD *glyphs, INT glyph_index,
INT glyph_count, INT ppem, GOFFSET *pGoffset)
{
@ -1687,7 +1706,7 @@ static INT GPOS_apply_ChainContextPos(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lpl
int SequenceIndex = GET_BE_WORD(ccpf3_4->PosLookupRecord[k].SequenceIndex) * write_dir;
TRACE("Position: %i -> %i %i\n",k, SequenceIndex, lookupIndex);
GPOS_apply_lookup(lpotm, lplogfont, analysis, piAdvance, lookup, lookupIndex, glyphs, glyph_index + SequenceIndex, glyph_count, pGoffset);
GPOS_apply_lookup(psc, lpotm, lplogfont, analysis, piAdvance, lookup, lookupIndex, glyphs, glyph_index + SequenceIndex, glyph_count, pGoffset);
}
return glyph_index + indexGlyphs + GET_BE_WORD(ccpf3_3->LookaheadGlyphCount);
}
@ -1699,8 +1718,7 @@ static INT GPOS_apply_ChainContextPos(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lpl
return glyph_index + 1;
}
static INT GPOS_apply_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance,
const OT_LookupList* lookup, INT lookup_index, const WORD *glyphs, INT glyph_index, INT glyph_count, GOFFSET *pGoffset)
static INT GPOS_apply_lookup(ScriptCache *psc, LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance, const OT_LookupList* lookup, INT lookup_index, const WORD *glyphs, INT glyph_index, INT glyph_count, GOFFSET *pGoffset)
{
int offset;
const OT_LookupTable *look;
@ -1785,11 +1803,11 @@ static INT GPOS_apply_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, c
{
double devX, devY;
POINT desU = {0,0};
GPOS_apply_MarkToBase(look, analysis, glyphs, glyph_index, glyph_count, ppem, &desU);
if (desU.x || desU.y)
int base_index = GPOS_apply_MarkToBase(psc, look, analysis, glyphs, glyph_index, glyph_count, ppem, &desU);
if (base_index != -1)
{
GPOS_convert_design_units_to_device(lpotm, lplogfont, desU.x, desU.y, &devX, &devY);
if (!analysis->fRTL) pGoffset[glyph_index].du = round(devX) - piAdvance[glyph_index-1];
if (!analysis->fRTL) pGoffset[glyph_index].du = round(devX) - piAdvance[base_index];
else
{
if (analysis->fLogicalOrder) devX *= -1;
@ -1828,7 +1846,7 @@ static INT GPOS_apply_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, c
}
case 8:
{
return GPOS_apply_ChainContextPos(lpotm, lplogfont, analysis, piAdvance, lookup, look, glyphs, glyph_index, glyph_count, ppem, pGoffset);
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));
@ -1836,13 +1854,12 @@ static INT GPOS_apply_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, c
return glyph_index+1;
}
INT OpenType_apply_GPOS_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance, LPCVOID table,
INT lookup_index, const WORD *glyphs, INT glyph_index, INT glyph_count, GOFFSET *pGoffset)
INT OpenType_apply_GPOS_lookup(ScriptCache *psc, LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance, INT lookup_index, const WORD *glyphs, INT glyph_index, INT glyph_count, GOFFSET *pGoffset)
{
const GPOS_Header *header = (const GPOS_Header *)table;
const GPOS_Header *header = (const GPOS_Header *)psc->GPOS_Table;
const OT_LookupList *lookup = (const OT_LookupList*)((const BYTE*)header + GET_BE_WORD(header->LookupList));
return GPOS_apply_lookup(lpotm, lplogfont, analysis, piAdvance, lookup, lookup_index, glyphs, glyph_index, glyph_count, pGoffset);
return GPOS_apply_lookup(psc, lpotm, lplogfont, analysis, piAdvance, lookup, lookup_index, glyphs, glyph_index, glyph_count, pGoffset);
}
static void GSUB_initialize_script_cache(ScriptCache *psc)

7
dlls/usp10/shape.c
View File

@ -875,8 +875,7 @@ static int apply_GSUB_feature(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, W
return GSUB_E_NOFEATURE;
}
static VOID GPOS_apply_feature(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance,
LPCVOID header, LoadedFeature *feature, const WORD *glyphs, INT glyph_count, GOFFSET *pGoffset)
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;
@ -885,7 +884,7 @@ static VOID GPOS_apply_feature(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont,
{
int j;
for (j = 0; j < glyph_count; )
j = OpenType_apply_GPOS_lookup(lpotm, lplogfont, analysis, piAdvance, header, feature->lookups[i], glyphs, j, glyph_count, pGoffset);
j = OpenType_apply_GPOS_lookup(psc, lpotm, lplogfont, analysis, piAdvance, feature->lookups[i], glyphs, j, glyph_count, pGoffset);
}
}
@ -3322,7 +3321,7 @@ void SHAPE_ApplyOpenTypePositions(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *ps
if (!feature)
continue;
GPOS_apply_feature(psc->otm, &psc->lf, psa, piAdvance, psc->GPOS_Table, feature, pwGlyphs, cGlyphs, pGoffset);
GPOS_apply_feature(psc, psc->otm, &psc->lf, psa, piAdvance, feature, pwGlyphs, cGlyphs, pGoffset);
}
}
}

3
dlls/usp10/usp10_internal.h
View File

@ -244,8 +244,7 @@ void BREAK_line(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT
DWORD OpenType_CMAP_GetGlyphIndex(HDC hdc, ScriptCache *psc, DWORD utf32c, LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
void OpenType_GDEF_UpdateGlyphProps(ScriptCache *psc, const WORD *pwGlyphs, const WORD cGlyphs, WORD* pwLogClust, const WORD cChars, SCRIPT_GLYPHPROP *pGlyphProp) DECLSPEC_HIDDEN;
INT OpenType_apply_GSUB_lookup(LPCVOID table, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count) DECLSPEC_HIDDEN;
INT OpenType_apply_GPOS_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance,
LPCVOID table, INT lookup_index, const WORD *glyphs, INT glyph_index, INT glyph_count, GOFFSET *pGoffset) DECLSPEC_HIDDEN;
INT OpenType_apply_GPOS_lookup(ScriptCache *psc, LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance, INT lookup_index, const WORD *glyphs, INT glyph_index, INT glyph_count, GOFFSET *pGoffset) DECLSPEC_HIDDEN;
HRESULT OpenType_GetFontScriptTags(ScriptCache *psc, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags) DECLSPEC_HIDDEN;
HRESULT OpenType_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags) DECLSPEC_HIDDEN;
HRESULT OpenType_GetFontFeatureTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG language_tag, BOOL filtered, OPENTYPE_TAG searchingFor, char tableType, int cMaxTags, OPENTYPE_TAG *pFeatureTags, int *pcTags, LoadedFeature** feature) DECLSPEC_HIDDEN;