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usp10: Move GDEF functions to opentype.c.

This commit is contained in:
Aric Stewart 2012-01-04 08:13:41 -06:00 committed by Alexandre Julliard
parent 6311ccfe97
commit bf1ef214e6
3 changed files with 153 additions and 149 deletions
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146
dlls/usp10/opentype.c
View File

@ -73,6 +73,37 @@ typedef struct {
CMAP_SegmentedCoverage_group groups[1];
} CMAP_SegmentedCoverage;
/* These are all structures needed for the GDEF table */
#define GDEF_TAG MS_MAKE_TAG('G', 'D', 'E', 'F')
enum {BaseGlyph=1, LigatureGlyph, MarkGlyph, ComponentGlyph};
typedef struct {
DWORD Version;
WORD GlyphClassDef;
WORD AttachList;
WORD LigCaretList;
WORD MarkAttachClassDef;
} GDEF_Header;
typedef struct {
WORD ClassFormat;
WORD StartGlyph;
WORD GlyphCount;
WORD ClassValueArray[1];
} GDEF_ClassDefFormat1;
typedef struct {
WORD Start;
WORD End;
WORD Class;
} GDEF_ClassRangeRecord;
typedef struct {
WORD ClassFormat;
WORD ClassRangeCount;
GDEF_ClassRangeRecord ClassRangeRecord[1];
} GDEF_ClassDefFormat2;
/**********
* CMAP
@ -160,3 +191,118 @@ DWORD OpenType_CMAP_GetGlyphIndex(HDC hdc, ScriptCache *psc, DWORD utf32c, LPWOR
}
return 0;
}
/**********
* GDEF
**********/
static WORD GDEF_get_glyph_class(const GDEF_Header *header, WORD glyph)
{
int offset;
WORD class = 0;
const GDEF_ClassDefFormat1 *cf1;
if (!header)
return 0;
offset = GET_BE_WORD(header->GlyphClassDef);
if (!offset)
return 0;
cf1 = (GDEF_ClassDefFormat1*)(((BYTE*)header)+offset);
if (GET_BE_WORD(cf1->ClassFormat) == 1)
{
if (glyph >= GET_BE_WORD(cf1->StartGlyph))
{
int index = glyph - GET_BE_WORD(cf1->StartGlyph);
if (index < GET_BE_WORD(cf1->GlyphCount))
class = GET_BE_WORD(cf1->ClassValueArray[index]);
}
}
else if (GET_BE_WORD(cf1->ClassFormat) == 2)
{
const GDEF_ClassDefFormat2 *cf2 = (GDEF_ClassDefFormat2*)cf1;
int i, top;
top = GET_BE_WORD(cf2->ClassRangeCount);
for (i = 0; i < top; i++)
{
if (glyph >= GET_BE_WORD(cf2->ClassRangeRecord[i].Start) &&
glyph <= GET_BE_WORD(cf2->ClassRangeRecord[i].End))
{
class = GET_BE_WORD(cf2->ClassRangeRecord[i].Class);
break;
}
}
}
else
ERR("Unknown Class Format %i\n",GET_BE_WORD(cf1->ClassFormat));
return class;
}
static VOID *load_gdef_table(HDC hdc)
{
VOID* GDEF_Table = NULL;
int length = GetFontData(hdc, GDEF_TAG , 0, NULL, 0);
if (length != GDI_ERROR)
{
GDEF_Table = HeapAlloc(GetProcessHeap(),0,length);
GetFontData(hdc, GDEF_TAG , 0, GDEF_Table, length);
TRACE("Loaded GDEF table of %i bytes\n",length);
}
return GDEF_Table;
}
void OpenType_GDEF_UpdateGlyphProps(HDC hdc, ScriptCache *psc, const WORD *pwGlyphs, const WORD cGlyphs, WORD* pwLogClust, const WORD cChars, SCRIPT_GLYPHPROP *pGlyphProp)
{
int i;
if (!psc->GDEF_Table)
psc->GDEF_Table = load_gdef_table(hdc);
for (i = 0; i < cGlyphs; i++)
{
WORD class;
int char_count = 0;
int k;
for (k = 0; k < cChars; k++)
if (pwLogClust[k] == i)
char_count++;
class = GDEF_get_glyph_class(psc->GDEF_Table, pwGlyphs[i]);
switch (class)
{
case 0:
case BaseGlyph:
pGlyphProp[i].sva.fClusterStart = 1;
pGlyphProp[i].sva.fDiacritic = 0;
pGlyphProp[i].sva.fZeroWidth = 0;
break;
case LigatureGlyph:
pGlyphProp[i].sva.fClusterStart = 1;
pGlyphProp[i].sva.fDiacritic = 0;
pGlyphProp[i].sva.fZeroWidth = 0;
break;
case MarkGlyph:
pGlyphProp[i].sva.fClusterStart = 0;
pGlyphProp[i].sva.fDiacritic = 1;
pGlyphProp[i].sva.fZeroWidth = 1;
break;
case ComponentGlyph:
pGlyphProp[i].sva.fClusterStart = 0;
pGlyphProp[i].sva.fDiacritic = 0;
pGlyphProp[i].sva.fZeroWidth = 0;
break;
default:
ERR("Unknown glyph class %i\n",class);
pGlyphProp[i].sva.fClusterStart = 1;
pGlyphProp[i].sva.fDiacritic = 0;
pGlyphProp[i].sva.fZeroWidth = 0;
}
if (char_count == 0)
pGlyphProp[i].sva.fClusterStart = 0;
}
}

155
dlls/usp10/shape.c
View File

@ -283,38 +283,6 @@ typedef struct{
WORD Alternate[1];
} GSUB_AlternateSet;
/* These are all structures needed for the GDEF table */
#define GDEF_TAG MS_MAKE_TAG('G', 'D', 'E', 'F')
enum {BaseGlyph=1, LigatureGlyph, MarkGlyph, ComponentGlyph};
typedef struct {
DWORD Version;
WORD GlyphClassDef;
WORD AttachList;
WORD LigCaretList;
WORD MarkAttachClassDef;
} GDEF_Header;
typedef struct {
WORD ClassFormat;
WORD StartGlyph;
WORD GlyphCount;
WORD ClassValueArray[1];
} GDEF_ClassDefFormat1;
typedef struct {
WORD Start;
WORD End;
WORD Class;
} GDEF_ClassRangeRecord;
typedef struct {
WORD ClassFormat;
WORD ClassRangeCount;
GDEF_ClassRangeRecord ClassRangeRecord[1];
} GDEF_ClassDefFormat2;
static INT GSUB_apply_lookup(const GSUB_LookupList* lookup, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count);
static HRESULT GSUB_GetFontScriptTags(ScriptCache *psc, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags, LPCVOID* script_table);
static HRESULT GSUB_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags, LPCVOID* language_table);
@ -1210,117 +1178,6 @@ INT SHAPE_does_GSUB_feature_apply_to_chars(HDC hdc, SCRIPT_ANALYSIS *psa, Script
return rc;
}
static WORD GDEF_get_glyph_class(const GDEF_Header *header, WORD glyph)
{
int offset;
WORD class = 0;
const GDEF_ClassDefFormat1 *cf1;
if (!header)
return 0;
offset = GET_BE_WORD(header->GlyphClassDef);
if (!offset)
return 0;
cf1 = (GDEF_ClassDefFormat1*)(((BYTE*)header)+offset);
if (GET_BE_WORD(cf1->ClassFormat) == 1)
{
if (glyph >= GET_BE_WORD(cf1->StartGlyph))
{
int index = glyph - GET_BE_WORD(cf1->StartGlyph);
if (index < GET_BE_WORD(cf1->GlyphCount))
class = GET_BE_WORD(cf1->ClassValueArray[index]);
}
}
else if (GET_BE_WORD(cf1->ClassFormat) == 2)
{
const GDEF_ClassDefFormat2 *cf2 = (GDEF_ClassDefFormat2*)cf1;
int i, top;
top = GET_BE_WORD(cf2->ClassRangeCount);
for (i = 0; i < top; i++)
{
if (glyph >= GET_BE_WORD(cf2->ClassRangeRecord[i].Start) &&
glyph <= GET_BE_WORD(cf2->ClassRangeRecord[i].End))
{
class = GET_BE_WORD(cf2->ClassRangeRecord[i].Class);
break;
}
}
}
else
ERR("Unknown Class Format %i\n",GET_BE_WORD(cf1->ClassFormat));
return class;
}
static VOID *load_gdef_table(HDC hdc)
{
VOID* GDEF_Table = NULL;
int length = GetFontData(hdc, GDEF_TAG , 0, NULL, 0);
if (length != GDI_ERROR)
{
GDEF_Table = HeapAlloc(GetProcessHeap(),0,length);
GetFontData(hdc, GDEF_TAG , 0, GDEF_Table, length);
TRACE("Loaded GDEF table of %i bytes\n",length);
}
return GDEF_Table;
}
static void GDEF_UpdateGlyphProps(HDC hdc, ScriptCache *psc, const WORD *pwGlyphs, const WORD cGlyphs, WORD* pwLogClust, const WORD cChars, SCRIPT_GLYPHPROP *pGlyphProp)
{
int i;
if (!psc->GDEF_Table)
psc->GDEF_Table = load_gdef_table(hdc);
for (i = 0; i < cGlyphs; i++)
{
WORD class;
int char_count = 0;
int k;
for (k = 0; k < cChars; k++)
if (pwLogClust[k] == i)
char_count++;
class = GDEF_get_glyph_class(psc->GDEF_Table, pwGlyphs[i]);
switch (class)
{
case 0:
case BaseGlyph:
pGlyphProp[i].sva.fClusterStart = 1;
pGlyphProp[i].sva.fDiacritic = 0;
pGlyphProp[i].sva.fZeroWidth = 0;
break;
case LigatureGlyph:
pGlyphProp[i].sva.fClusterStart = 1;
pGlyphProp[i].sva.fDiacritic = 0;
pGlyphProp[i].sva.fZeroWidth = 0;
break;
case MarkGlyph:
pGlyphProp[i].sva.fClusterStart = 0;
pGlyphProp[i].sva.fDiacritic = 1;
pGlyphProp[i].sva.fZeroWidth = 1;
break;
case ComponentGlyph:
pGlyphProp[i].sva.fClusterStart = 0;
pGlyphProp[i].sva.fDiacritic = 0;
pGlyphProp[i].sva.fZeroWidth = 0;
break;
default:
ERR("Unknown glyph class %i\n",class);
pGlyphProp[i].sva.fClusterStart = 1;
pGlyphProp[i].sva.fDiacritic = 0;
pGlyphProp[i].sva.fZeroWidth = 0;
}
if (char_count == 0)
pGlyphProp[i].sva.fClusterStart = 0;
}
}
static void UpdateClustersFromGlyphProp(const int cGlyphs, const int cChars, WORD* pwLogClust, SCRIPT_GLYPHPROP *pGlyphProp)
{
int i;
@ -3087,7 +2944,7 @@ static void ShapeCharGlyphProp_Default( HDC hdc, ScriptCache* psc, SCRIPT_ANALYS
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_CHARACTER;
}
GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
OpenType_GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
}
@ -3198,7 +3055,7 @@ static void ShapeCharGlyphProp_Arabic( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSI
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
}
GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
OpenType_GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
HeapFree(GetProcessHeap(),0,spaces);
}
@ -3234,7 +3091,7 @@ static void ShapeCharGlyphProp_Thai( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS
}
}
GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
OpenType_GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
for (i = 0; i < cGlyphs; i++)
{
@ -3308,7 +3165,7 @@ static void ShapeCharGlyphProp_None( HDC hdc, ScriptCache* psc, SCRIPT_ANALYSIS*
else
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
}
GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
OpenType_GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
}
@ -3341,7 +3198,7 @@ static void ShapeCharGlyphProp_Tibet( HDC hdc, ScriptCache* psc, SCRIPT_ANALYSIS
else
pGlyphProp[i].sva.uJustification = SCRIPT_JUSTIFY_NONE;
}
GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
OpenType_GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
UpdateClustersFromGlyphProp(cGlyphs, cChars, pwLogClust, pGlyphProp);
/* Tibeten script does not set sva.fDiacritic or sva.fZeroWidth */
@ -3359,7 +3216,7 @@ static void ShapeCharGlyphProp_BaseIndic( HDC hdc, ScriptCache *psc, SCRIPT_ANAL
{
int i,k;
GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
OpenType_GDEF_UpdateGlyphProps(hdc, psc, pwGlyphs, cGlyphs, pwLogClust, cChars, pGlyphProp);
for (i = 0; i < cGlyphs; i++)
{
int char_index[20];

1
dlls/usp10/usp10_internal.h
View File

@ -222,3 +222,4 @@ void Indic_ParseSyllables( HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, LPCW
void BREAK_line(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la) DECLSPEC_HIDDEN;
DWORD OpenType_CMAP_GetGlyphIndex(HDC hdc, ScriptCache *psc, DWORD utf32c, LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
void OpenType_GDEF_UpdateGlyphProps(HDC hdc, ScriptCache *psc, const WORD *pwGlyphs, const WORD cGlyphs, WORD* pwLogClust, const WORD cChars, SCRIPT_GLYPHPROP *pGlyphProp) DECLSPEC_HIDDEN;