* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
-#include <stdarg.h>
-#include <stdlib.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>
+#include <winternl.h>
WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
#define GET_BE_DWORD(x) RtlUlongByteSwap(x)
#endif
+#define round(x) (((x) < 0) ? (int)((x) - 0.5) : (int)((x) + 0.5))
+
/* These are all structures needed for the cmap format 12 table */
#define CMAP_TAG MS_MAKE_TAG('c', 'm', 'a', 'p')
} 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 {
WORD StartGlyph;
WORD GlyphCount;
WORD ClassValueArray[1];
-} GDEF_ClassDefFormat1;
+} OT_ClassDefFormat1;
typedef struct {
WORD Start;
WORD End;
WORD Class;
-} GDEF_ClassRangeRecord;
+} OT_ClassRangeRecord;
typedef struct {
WORD ClassFormat;
WORD ClassRangeCount;
- GDEF_ClassRangeRecord ClassRangeRecord[1];
-} GDEF_ClassDefFormat2;
+ OT_ClassRangeRecord ClassRangeRecord[1];
+} OT_ClassDefFormat2;
/* These are all structures needed for the GSUB table */
typedef struct {
CHAR ScriptTag[4];
WORD Script;
-} GSUB_ScriptRecord;
+} OT_ScriptRecord;
typedef struct {
WORD ScriptCount;
- GSUB_ScriptRecord ScriptRecord[1];
-} GSUB_ScriptList;
+ OT_ScriptRecord ScriptRecord[1];
+} OT_ScriptList;
typedef struct {
CHAR LangSysTag[4];
WORD LangSys;
-} GSUB_LangSysRecord;
+} OT_LangSysRecord;
typedef struct {
WORD DefaultLangSys;
WORD LangSysCount;
- GSUB_LangSysRecord LangSysRecord[1];
-} GSUB_Script;
+ OT_LangSysRecord LangSysRecord[1];
+} OT_Script;
typedef struct {
WORD LookupOrder; /* Reserved */
WORD ReqFeatureIndex;
WORD FeatureCount;
WORD FeatureIndex[1];
-} GSUB_LangSys;
+} OT_LangSys;
typedef struct {
CHAR FeatureTag[4];
WORD Feature;
-} GSUB_FeatureRecord;
+} OT_FeatureRecord;
typedef struct {
WORD FeatureCount;
- GSUB_FeatureRecord FeatureRecord[1];
-} GSUB_FeatureList;
+ OT_FeatureRecord FeatureRecord[1];
+} OT_FeatureList;
typedef struct {
WORD FeatureParams; /* Reserved */
WORD LookupCount;
WORD LookupListIndex[1];
-} GSUB_Feature;
+} OT_Feature;
typedef struct {
WORD LookupCount;
WORD Lookup[1];
-} GSUB_LookupList;
+} OT_LookupList;
typedef struct {
WORD LookupType;
WORD LookupFlag;
WORD SubTableCount;
WORD SubTable[1];
-} GSUB_LookupTable;
+} OT_LookupTable;
typedef struct {
WORD CoverageFormat;
WORD GlyphCount;
WORD GlyphArray[1];
-} GSUB_CoverageFormat1;
+} OT_CoverageFormat1;
typedef struct {
WORD Start;
WORD End;
WORD StartCoverageIndex;
-} GSUB_RangeRecord;
+} OT_RangeRecord;
typedef struct {
WORD CoverageFormat;
WORD RangeCount;
- GSUB_RangeRecord RangeRecord[1];
-} GSUB_CoverageFormat2;
+ OT_RangeRecord RangeRecord[1];
+} OT_CoverageFormat2;
typedef struct {
WORD SubstFormat; /* = 1 */
WORD Alternate[1];
} GSUB_AlternateSet;
+/* These are all structures needed for the GPOS table */
+
+typedef struct {
+ DWORD version;
+ WORD ScriptList;
+ WORD FeatureList;
+ WORD LookupList;
+} GPOS_Header;
+
+typedef struct {
+ WORD StartSize;
+ WORD EndSize;
+ WORD DeltaFormat;
+ WORD DeltaValue[1];
+} OT_DeviceTable;
+
+typedef struct {
+ WORD AnchorFormat;
+ WORD XCoordinate;
+ WORD YCoordinate;
+} GPOS_AnchorFormat1;
+
+typedef struct {
+ WORD AnchorFormat;
+ WORD XCoordinate;
+ WORD YCoordinate;
+ WORD AnchorPoint;
+} GPOS_AnchorFormat2;
+
+typedef struct {
+ WORD AnchorFormat;
+ WORD XCoordinate;
+ WORD YCoordinate;
+ WORD XDeviceTable;
+ WORD YDeviceTable;
+} GPOS_AnchorFormat3;
+
+typedef struct {
+ WORD XPlacement;
+ WORD YPlacement;
+ WORD XAdvance;
+ WORD YAdvance;
+ WORD XPlaDevice;
+ WORD YPlaDevice;
+ WORD XAdvDevice;
+ WORD YAdvDevice;
+} GPOS_ValueRecord;
+
+typedef struct {
+ WORD PosFormat;
+ WORD Coverage;
+ WORD ValueFormat;
+ WORD Value[1];
+} GPOS_SinglePosFormat1;
+
+typedef struct {
+ WORD PosFormat;
+ WORD Coverage;
+ WORD ValueFormat;
+ WORD ValueCount;
+ WORD Value[1];
+} GPOS_SinglePosFormat2;
+
+typedef struct {
+ WORD PosFormat;
+ WORD Coverage;
+ WORD ValueFormat1;
+ WORD ValueFormat2;
+ WORD PairSetCount;
+ WORD PairSetOffset[1];
+} GPOS_PairPosFormat1;
+
+typedef struct {
+ WORD PosFormat;
+ WORD Coverage;
+ WORD ValueFormat1;
+ WORD ValueFormat2;
+ WORD ClassDef1;
+ WORD ClassDef2;
+ WORD Class1Count;
+ WORD Class2Count;
+ WORD Class1Record[1];
+} GPOS_PairPosFormat2;
+
+typedef struct {
+ WORD SecondGlyph;
+ WORD Value1[1];
+ WORD Value2[1];
+} GPOS_PairValueRecord;
+
+typedef struct {
+ WORD PairValueCount;
+ GPOS_PairValueRecord PairValueRecord[1];
+} GPOS_PairSet;
+
+typedef struct {
+ WORD EntryAnchor;
+ WORD ExitAnchor;
+} GPOS_EntryExitRecord;
+
+typedef struct {
+ WORD PosFormat;
+ WORD Coverage;
+ WORD EntryExitCount;
+ GPOS_EntryExitRecord EntryExitRecord[1];
+} GPOS_CursivePosFormat1;
+
+typedef struct {
+ WORD PosFormat;
+ WORD MarkCoverage;
+ WORD BaseCoverage;
+ WORD ClassCount;
+ WORD MarkArray;
+ WORD BaseArray;
+} GPOS_MarkBasePosFormat1;
+
+typedef struct {
+ WORD BaseAnchor[1];
+} GPOS_BaseRecord;
+
+typedef struct {
+ WORD BaseCount;
+ GPOS_BaseRecord BaseRecord[1];
+} GPOS_BaseArray;
+
+typedef struct {
+ WORD Class;
+ WORD MarkAnchor;
+} GPOS_MarkRecord;
+
+typedef struct {
+ WORD MarkCount;
+ GPOS_MarkRecord MarkRecord[1];
+} GPOS_MarkArray;
+
+typedef struct {
+ WORD PosFormat;
+ WORD MarkCoverage;
+ WORD LigatureCoverage;
+ WORD ClassCount;
+ WORD MarkArray;
+ WORD LigatureArray;
+} GPOS_MarkLigPosFormat1;
+
+typedef struct {
+ WORD LigatureCount;
+ WORD LigatureAttach[1];
+} GPOS_LigatureArray;
+
+typedef struct {
+ WORD LigatureAnchor[1];
+} GPOS_ComponentRecord;
+
+typedef struct {
+ WORD ComponentCount;
+ GPOS_ComponentRecord ComponentRecord[1];
+} GPOS_LigatureAttach;
+
+typedef struct {
+ WORD PosFormat;
+ WORD Mark1Coverage;
+ WORD Mark2Coverage;
+ WORD ClassCount;
+ WORD Mark1Array;
+ WORD Mark2Array;
+} GPOS_MarkMarkPosFormat1;
+
+typedef struct {
+ WORD Mark2Anchor[1];
+} GPOS_Mark2Record;
+
+typedef struct {
+ WORD Mark2Count;
+ GPOS_Mark2Record Mark2Record[1];
+} GPOS_Mark2Array;
+
+typedef struct {
+ WORD SequenceIndex;
+ WORD LookupListIndex;
+} GPOS_PosLookupRecord;
+
+typedef struct {
+ WORD PosFormat;
+ WORD BacktrackGlyphCount;
+ WORD Coverage[1];
+} GPOS_ChainContextPosFormat3_1;
+
+typedef struct {
+ WORD InputGlyphCount;
+ WORD Coverage[1];
+} GPOS_ChainContextPosFormat3_2;
+
+typedef struct {
+ WORD LookaheadGlyphCount;
+ WORD Coverage[1];
+} GPOS_ChainContextPosFormat3_3;
+
+typedef struct {
+ WORD PosCount;
+ GPOS_PosLookupRecord PosLookupRecord[1];
+} GPOS_ChainContextPosFormat3_4;
+
+typedef struct {
+ WORD PosFormat;
+ WORD ExtensionLookupType;
+ DWORD ExtensionOffset;
+} GPOS_ExtensionPosFormat1;
+
/**********
* CMAP
**********/
* GDEF
**********/
-static WORD GDEF_get_glyph_class(const GDEF_Header *header, WORD glyph)
+static WORD OT_get_glyph_class(const void *table, WORD glyph)
{
- int offset;
WORD class = 0;
- const GDEF_ClassDefFormat1 *cf1;
-
- if (!header)
- return 0;
+ const OT_ClassDefFormat1 *cf1 = table;
- offset = GET_BE_WORD(header->GlyphClassDef);
- if (!offset)
- return 0;
+ if (!table) return 0;
- cf1 = (GDEF_ClassDefFormat1*)(((BYTE*)header)+offset);
if (GET_BE_WORD(cf1->ClassFormat) == 1)
{
if (glyph >= GET_BE_WORD(cf1->StartGlyph))
}
else if (GET_BE_WORD(cf1->ClassFormat) == 2)
{
- const GDEF_ClassDefFormat2 *cf2 = (GDEF_ClassDefFormat2*)cf1;
+ const OT_ClassDefFormat2 *cf2 = table;
int i, top;
top = GET_BE_WORD(cf2->ClassRangeCount);
for (i = 0; i < top; i++)
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)
+void OpenType_GDEF_UpdateGlyphProps(ScriptCache *psc, const WORD *pwGlyphs, const WORD cGlyphs, WORD* pwLogClust, const WORD cChars, SCRIPT_GLYPHPROP *pGlyphProp)
{
int i;
+ void *glyph_class_table = NULL;
- if (!psc->GDEF_Table)
- psc->GDEF_Table = load_gdef_table(hdc);
+ 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;
+ }
for (i = 0; i < cGlyphs; i++)
{
char_count++;
}
- class = GDEF_get_glyph_class(psc->GDEF_Table, pwGlyphs[i]);
+ class = OT_get_glyph_class( glyph_class_table, pwGlyphs[i] );
switch (class)
{
/**********
* GSUB
**********/
-static INT GSUB_apply_lookup(const GSUB_LookupList* lookup, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count);
+static INT GSUB_apply_lookup(const OT_LookupList* lookup, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count);
static INT GSUB_is_glyph_covered(LPCVOID table , UINT glyph)
{
- const GSUB_CoverageFormat1* cf1;
+ const OT_CoverageFormat1* cf1;
cf1 = table;
}
else if (GET_BE_WORD(cf1->CoverageFormat) == 2)
{
- const GSUB_CoverageFormat2* cf2;
+ const OT_CoverageFormat2* cf2;
int i;
int count;
- cf2 = (const GSUB_CoverageFormat2*)cf1;
+ cf2 = (const OT_CoverageFormat2*)cf1;
count = GET_BE_WORD(cf2->RangeCount);
TRACE("Coverage Format 2, %i ranges\n",count);
return -1;
}
-static INT GSUB_apply_SingleSubst(const GSUB_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+static INT GSUB_apply_SingleSubst(const OT_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
{
int j;
TRACE("Single Substitution Subtable\n");
return GSUB_E_NOGLYPH;
}
-static INT GSUB_apply_MultipleSubst(const GSUB_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+static INT GSUB_apply_MultipleSubst(const OT_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
{
int j;
TRACE("Multiple Substitution Subtable\n");
return GSUB_E_NOGLYPH;
}
-static INT GSUB_apply_AlternateSubst(const GSUB_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+static INT GSUB_apply_AlternateSubst(const OT_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
{
int j;
TRACE("Alternate Substitution Subtable\n");
return GSUB_E_NOGLYPH;
}
-static INT GSUB_apply_LigatureSubst(const GSUB_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+static INT GSUB_apply_LigatureSubst(const OT_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
{
int j;
return GSUB_E_NOGLYPH;
}
-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 INT GSUB_apply_ChainContextSubst(const OT_LookupList* lookup, const OT_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
{
int j;
BOOL done = FALSE;
}
else if (GET_BE_WORD(ccsf1->SubstFormat) == 2)
{
+#ifndef __REACTOS__
FIXME(" TODO: subtype 2 (Class-based Chaining Context Glyph Substitution)\n");
+#endif
continue;
}
else if (GET_BE_WORD(ccsf1->SubstFormat) == 3)
continue;
TRACE("Matched Backtrack\n");
- ccsf3_2 = (const GSUB_ChainContextSubstFormat3_2 *)(((LPBYTE)ccsf1)+sizeof(GSUB_ChainContextSubstFormat3_1) + (sizeof(WORD) * (GET_BE_WORD(ccsf3_1->BacktrackGlyphCount)-1)));
+ ccsf3_2 = (const GSUB_ChainContextSubstFormat3_2 *)((BYTE *)ccsf1 +
+ FIELD_OFFSET(GSUB_ChainContextSubstFormat3_1, Coverage[GET_BE_WORD(ccsf3_1->BacktrackGlyphCount)]));
indexGlyphs = GET_BE_WORD(ccsf3_2->InputGlyphCount);
for (k = 0; k < indexGlyphs; k++)
continue;
TRACE("Matched IndexGlyphs\n");
- ccsf3_3 = (const GSUB_ChainContextSubstFormat3_3 *)(((LPBYTE)ccsf3_2)+sizeof(GSUB_ChainContextSubstFormat3_2) + (sizeof(WORD) * (GET_BE_WORD(ccsf3_2->InputGlyphCount)-1)));
+ ccsf3_3 = (const GSUB_ChainContextSubstFormat3_3 *)((BYTE *)ccsf3_2 +
+ FIELD_OFFSET(GSUB_ChainContextSubstFormat3_2, Coverage[GET_BE_WORD(ccsf3_2->InputGlyphCount)]));
for (k = 0; k < GET_BE_WORD(ccsf3_3->LookaheadGlyphCount); k++)
{
continue;
TRACE("Matched LookAhead\n");
- ccsf3_4 = (const GSUB_ChainContextSubstFormat3_4 *)(((LPBYTE)ccsf3_3)+sizeof(GSUB_ChainContextSubstFormat3_3) + (sizeof(WORD) * (GET_BE_WORD(ccsf3_3->LookaheadGlyphCount)-1)));
+ ccsf3_4 = (const GSUB_ChainContextSubstFormat3_4 *)((BYTE *)ccsf3_3 +
+ FIELD_OFFSET(GSUB_ChainContextSubstFormat3_3, Coverage[GET_BE_WORD(ccsf3_3->LookaheadGlyphCount)]));
if (GET_BE_WORD(ccsf3_4->SubstCount))
{
return -1;
}
-static INT GSUB_apply_lookup(const GSUB_LookupList* lookup, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+static INT GSUB_apply_lookup(const OT_LookupList* lookup, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
{
int offset;
- const GSUB_LookupTable *look;
+ const OT_LookupTable *look;
offset = GET_BE_WORD(lookup->Lookup[lookup_index]);
- look = (const GSUB_LookupTable*)((const BYTE*)lookup + offset);
+ 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))
{
INT OpenType_apply_GSUB_lookup(LPCVOID table, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
{
const GSUB_Header *header = (const GSUB_Header *)table;
- const GSUB_LookupList *lookup = (const GSUB_LookupList*)((const BYTE*)header + GET_BE_WORD(header->LookupList));
+ const OT_LookupList *lookup = (const OT_LookupList*)((const BYTE*)header + GET_BE_WORD(header->LookupList));
return GSUB_apply_lookup(lookup, lookup_index, glyphs, glyph_index, write_dir, glyph_count);
}
-static void GSUB_initialize_script_cache(ScriptCache *psc)
+/**********
+ * GPOS
+ **********/
+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)
{
- int i;
+ static const WORD mask[3] = {3,0xf,0xff};
+ if (DeviceTable && ppem >= GET_BE_WORD(DeviceTable->StartSize) && ppem <= GET_BE_WORD(DeviceTable->EndSize))
+ {
+ int format = GET_BE_WORD(DeviceTable->DeltaFormat);
+ int index = ppem - GET_BE_WORD(DeviceTable->StartSize);
+ int value;
+ TRACE("device table, format %i, index %i\n",format, index);
+ index = index << format;
+ value = (DeviceTable->DeltaValue[index/sizeof(WORD)] << (index%sizeof(WORD)))&mask[format-1];
+ TRACE("offset %i, value %i\n",index, value);
+ if (value > mask[format-1]/2)
+ value = -1 * ((mask[format-1]+1) - value);
+ return value;
+ }
+ return 0;
+}
- if (!psc->script_count)
+static VOID GPOS_get_anchor_values(LPCVOID table, LPPOINT pt, WORD ppem)
+{
+ const GPOS_AnchorFormat1* anchor1 = (const GPOS_AnchorFormat1*)table;
+
+ switch (GET_BE_WORD(anchor1->AnchorFormat))
{
- const GSUB_ScriptList *script;
- const GSUB_Header* header = (const GSUB_Header*)psc->GSUB_Table;
- script = (const GSUB_ScriptList*)((const BYTE*)header + GET_BE_WORD(header->ScriptList));
- psc->script_count = GET_BE_WORD(script->ScriptCount);
- TRACE("initializing %i scripts in this font\n",psc->script_count);
- if (psc->script_count)
+ case 1:
{
- psc->scripts = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LoadedScript) * psc->script_count);
- for (i = 0; i < psc->script_count; i++)
+ TRACE("Anchor Format 1\n");
+ pt->x = (short)GET_BE_WORD(anchor1->XCoordinate);
+ pt->y = (short)GET_BE_WORD(anchor1->YCoordinate);
+ break;
+ }
+ case 2:
+ {
+ const GPOS_AnchorFormat2* anchor2 = (const GPOS_AnchorFormat2*)table;
+ TRACE("Anchor Format 2\n");
+ pt->x = (short)GET_BE_WORD(anchor2->XCoordinate);
+ pt->y = (short)GET_BE_WORD(anchor2->YCoordinate);
+ break;
+ }
+ case 3:
+ {
+ int offset;
+ const GPOS_AnchorFormat3* anchor3 = (const GPOS_AnchorFormat3*)table;
+ TRACE("Anchor Format 3\n");
+ pt->x = (short)GET_BE_WORD(anchor3->XCoordinate);
+ pt->y = (short)GET_BE_WORD(anchor3->YCoordinate);
+ offset = GET_BE_WORD(anchor3->XDeviceTable);
+ TRACE("ppem %i\n",ppem);
+ if (offset)
{
- int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
- psc->scripts[i].tag = MS_MAKE_TAG(script->ScriptRecord[i].ScriptTag[0], script->ScriptRecord[i].ScriptTag[1], script->ScriptRecord[i].ScriptTag[2], script->ScriptRecord[i].ScriptTag[3]);
- psc->scripts[i].table = ((const BYTE*)script + offset);
+ const OT_DeviceTable* DeviceTableX = NULL;
+ DeviceTableX = (const OT_DeviceTable*)((const BYTE*)anchor3 + offset);
+ pt->x += GPOS_get_device_table_value(DeviceTableX, ppem);
}
+ offset = GET_BE_WORD(anchor3->YDeviceTable);
+ if (offset)
+ {
+ const OT_DeviceTable* DeviceTableY = NULL;
+ DeviceTableY = (const OT_DeviceTable*)((const BYTE*)anchor3 + offset);
+ pt->y += GPOS_get_device_table_value(DeviceTableY, ppem);
+ }
+ break;
}
+ default:
+ ERR("Unknown Anchor Format %i\n",GET_BE_WORD(anchor1->AnchorFormat));
+ pt->x = 0;
+ pt->y = 0;
}
}
-HRESULT OpenType_GSUB_GetFontScriptTags(ScriptCache *psc, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags, LPCVOID* script_table)
+static void GPOS_convert_design_units_to_device(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, int desX, int desY, double *devX, double *devY)
{
- int i;
- HRESULT rc = S_OK;
+ int emHeight = lpotm->otmTextMetrics.tmAscent + lpotm->otmTextMetrics.tmDescent - lpotm->otmTextMetrics.tmInternalLeading;
- GSUB_initialize_script_cache(psc);
- *pcTags = psc->script_count;
+ TRACE("emHeight %i lfWidth %i\n",emHeight, lplogfont->lfWidth);
+ *devX = (desX * emHeight) / (double)lpotm->otmEMSquare;
+ *devY = (desY * emHeight) / (double)lpotm->otmEMSquare;
+ if (lplogfont->lfWidth)
+ FIXME("Font with lfWidth set no handled properly\n");
+}
- if (!searchingFor && cMaxTags < *pcTags)
- rc = E_OUTOFMEMORY;
- else if (searchingFor)
- rc = USP_E_SCRIPT_NOT_IN_FONT;
+static INT GPOS_get_value_record(WORD ValueFormat, const WORD data[], GPOS_ValueRecord *record)
+{
+ INT offset = 0;
+ if (ValueFormat & 0x0001) { if (data) record->XPlacement = GET_BE_WORD(data[offset]); offset++; }
+ if (ValueFormat & 0x0002) { if (data) record->YPlacement = GET_BE_WORD(data[offset]); offset++; }
+ if (ValueFormat & 0x0004) { if (data) record->XAdvance = GET_BE_WORD(data[offset]); offset++; }
+ if (ValueFormat & 0x0008) { if (data) record->YAdvance = GET_BE_WORD(data[offset]); offset++; }
+ if (ValueFormat & 0x0010) { if (data) record->XPlaDevice = GET_BE_WORD(data[offset]); offset++; }
+ if (ValueFormat & 0x0020) { if (data) record->YPlaDevice = GET_BE_WORD(data[offset]); offset++; }
+ if (ValueFormat & 0x0040) { if (data) record->XAdvDevice = GET_BE_WORD(data[offset]); offset++; }
+ if (ValueFormat & 0x0080) { if (data) record->YAdvDevice = GET_BE_WORD(data[offset]); offset++; }
+ return offset;
+}
- for (i = 0; i < psc->script_count; i++)
- {
- if (i < cMaxTags)
- pScriptTags[i] = psc->scripts[i].tag;
+static VOID GPOS_get_value_record_offsets(const BYTE* head, GPOS_ValueRecord *ValueRecord, WORD ValueFormat, INT ppem, LPPOINT ptPlacement, LPPOINT ptAdvance)
+{
+ if (ValueFormat & 0x0001) ptPlacement->x += (short)ValueRecord->XPlacement;
+ if (ValueFormat & 0x0002) ptPlacement->y += (short)ValueRecord->YPlacement;
+ if (ValueFormat & 0x0004) ptAdvance->x += (short)ValueRecord->XAdvance;
+ if (ValueFormat & 0x0008) ptAdvance->y += (short)ValueRecord->YAdvance;
+ if (ValueFormat & 0x0010) ptPlacement->x += GPOS_get_device_table_value((const OT_DeviceTable*)(head + ValueRecord->XPlaDevice), ppem);
+ if (ValueFormat & 0x0020) ptPlacement->y += GPOS_get_device_table_value((const OT_DeviceTable*)(head + ValueRecord->YPlaDevice), ppem);
+ if (ValueFormat & 0x0040) ptAdvance->x += GPOS_get_device_table_value((const OT_DeviceTable*)(head + ValueRecord->XAdvDevice), ppem);
+ if (ValueFormat & 0x0080) ptAdvance->y += GPOS_get_device_table_value((const OT_DeviceTable*)(head + ValueRecord->YAdvDevice), ppem);
+ if (ValueFormat & 0xFF00) FIXME("Unhandled Value Format %x\n",ValueFormat&0xFF00);
+}
- if (searchingFor)
+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)
{
- if (searchingFor == psc->scripts[i].tag)
- {
- pScriptTags[0] = psc->scripts[i].tag;
- *pcTags = 1;
- if (script_table)
- *script_table = psc->scripts[i].table;
- rc = S_OK;
- break;
- }
+ offset += GET_BE_DWORD(ext->ExtensionOffset);
+ }
+ else
+ {
+ FIXME("Unhandled Extension Positioning Format %i\n",GET_BE_WORD(ext->PosFormat));
}
}
- return rc;
+ return (const BYTE *)look + offset;
}
-static void GSUB_initialize_language_cache(LoadedScript *script)
+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)
{
- int i;
+ int j;
- if (!script->language_count)
- {
- const GSUB_Script* table = script->table;
- script->language_count = GET_BE_WORD(table->LangSysCount);
- script->default_language.tag = MS_MAKE_TAG('d','f','l','t');
- script->default_language.table = (const BYTE*)table + GET_BE_WORD(table->DefaultLangSys);
+ TRACE("Single Adjustment Positioning Subtable\n");
- if (script->language_count)
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
+ {
+ const GPOS_SinglePosFormat1 *spf1 = (const GPOS_SinglePosFormat1*)GPOS_get_subtable(look, j);
+ WORD offset;
+ if (GET_BE_WORD(spf1->PosFormat) == 1)
{
- TRACE("Deflang %p, LangCount %i\n",script->default_language.table, script->language_count);
-
- script->languages = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LoadedLanguage) * script->language_count);
-
- for (i = 0; i < script->language_count; i++)
+ offset = GET_BE_WORD(spf1->Coverage);
+ if (GSUB_is_glyph_covered((const BYTE*)spf1+offset, glyphs[glyph_index]) != -1)
{
- int offset = GET_BE_WORD(table->LangSysRecord[i].LangSys);
- script->languages[i].tag = MS_MAKE_TAG(table->LangSysRecord[i].LangSysTag[0], table->LangSysRecord[i].LangSysTag[1], table->LangSysRecord[i].LangSysTag[2], table->LangSysRecord[i].LangSysTag[3]);
- script->languages[i].table = ((const BYTE*)table + offset);
+ GPOS_ValueRecord ValueRecord = {0,0,0,0,0,0,0,0};
+ WORD ValueFormat = GET_BE_WORD(spf1->ValueFormat);
+ GPOS_get_value_record(ValueFormat, spf1->Value, &ValueRecord);
+ GPOS_get_value_record_offsets((const BYTE*)spf1, &ValueRecord, ValueFormat, ppem, ptAdjust, ptAdvance);
+ TRACE("Glyph Adjusted by %i,%i\n",ValueRecord.XPlacement,ValueRecord.YPlacement);
+ }
+ }
+ else if (GET_BE_WORD(spf1->PosFormat) == 2)
+ {
+ int index;
+ const GPOS_SinglePosFormat2 *spf2;
+ spf2 = (const GPOS_SinglePosFormat2*)spf1;
+ offset = GET_BE_WORD(spf2->Coverage);
+ index = GSUB_is_glyph_covered((const BYTE*)spf2+offset, glyphs[glyph_index]);
+ if (index != -1)
+ {
+ int size;
+ GPOS_ValueRecord ValueRecord = {0,0,0,0,0,0,0,0};
+ WORD ValueFormat = GET_BE_WORD(spf2->ValueFormat);
+ size = GPOS_get_value_record(ValueFormat, spf2->Value, &ValueRecord);
+ if (index > 0)
+ {
+ offset = size * index;
+ GPOS_get_value_record(ValueFormat, &spf2->Value[offset], &ValueRecord);
+ }
+ GPOS_get_value_record_offsets((const BYTE*)spf2, &ValueRecord, ValueFormat, ppem, ptAdjust, ptAdvance);
+ TRACE("Glyph Adjusted by %i,%i\n",ValueRecord.XPlacement,ValueRecord.YPlacement);
}
}
+ else
+ FIXME("Single Adjustment Positioning: Format %i Unhandled\n",GET_BE_WORD(spf1->PosFormat));
}
}
-HRESULT OpenType_GSUB_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags, LPCVOID* language_table)
+static void apply_pair_value( const void *pos_table, WORD val_fmt1, WORD val_fmt2, const WORD *pair,
+ INT ppem, POINT *adjust, POINT *advance )
{
- int i;
- HRESULT rc = S_OK;
- LoadedScript *script = NULL;
+ GPOS_ValueRecord val_rec1 = {0,0,0,0,0,0,0,0};
+ GPOS_ValueRecord val_rec2 = {0,0,0,0,0,0,0,0};
+ INT size;
- GSUB_initialize_script_cache(psc);
+ size = GPOS_get_value_record( val_fmt1, pair, &val_rec1 );
+ GPOS_get_value_record( val_fmt2, pair + size, &val_rec2 );
- for (i = 0; i < psc->script_count; i++)
+ if (val_fmt1)
{
- if (psc->scripts[i].tag == script_tag)
- {
- script = &psc->scripts[i];
- break;
- }
+ GPOS_get_value_record_offsets( pos_table, &val_rec1, val_fmt1, ppem, adjust, advance );
+ TRACE( "Glyph 1 resulting cumulative offset is %i,%i design units\n", adjust[0].x, adjust[0].y );
+ TRACE( "Glyph 1 resulting cumulative advance is %i,%i design units\n", advance[0].x, advance[0].y );
}
+ if (val_fmt2)
+ {
+ GPOS_get_value_record_offsets( pos_table, &val_rec2, val_fmt2, ppem, adjust + 1, advance + 1 );
+ TRACE( "Glyph 2 resulting cumulative offset is %i,%i design units\n", adjust[1].x, adjust[1].y );
+ TRACE( "Glyph 2 resulting cumulative advance is %i,%i design units\n", advance[1].x, advance[1].y );
+ }
+}
- if (!script)
- return E_INVALIDARG;
-
- GSUB_initialize_language_cache(script);
+static INT GPOS_apply_PairAdjustment(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis, const WORD *glyphs, INT glyph_index,
+ INT glyph_count, INT ppem, LPPOINT ptAdjust, LPPOINT ptAdvance)
+{
+ int j;
+ int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
- if (!searchingFor && cMaxTags < script->language_count)
- rc = E_OUTOFMEMORY;
- else if (searchingFor)
- rc = E_INVALIDARG;
+ if (glyph_index + write_dir < 0 || glyph_index + write_dir >= glyph_count) return glyph_index + 1;
- *pcTags = script->language_count;
+ TRACE("Pair Adjustment Positioning Subtable\n");
- for (i = 0; i < script->language_count; i++)
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
{
- if (i < cMaxTags)
- pLanguageTags[i] = script->languages[i].tag;
-
- if (searchingFor)
+ const GPOS_PairPosFormat1 *ppf1 = (const GPOS_PairPosFormat1*)GPOS_get_subtable(look, j);
+ WORD offset;
+ if (GET_BE_WORD(ppf1->PosFormat) == 1)
{
- if (searchingFor == script->languages[i].tag)
+ int index;
+ WORD ValueFormat1 = GET_BE_WORD(ppf1->ValueFormat1);
+ WORD ValueFormat2 = GET_BE_WORD(ppf1->ValueFormat2);
+ INT val_fmt1_size = GPOS_get_value_record( ValueFormat1, NULL, NULL );
+ INT val_fmt2_size = GPOS_get_value_record( ValueFormat2, NULL, NULL );
+ offset = GET_BE_WORD(ppf1->Coverage);
+ index = GSUB_is_glyph_covered((const BYTE*)ppf1+offset, glyphs[glyph_index]);
+ if (index != -1 && index < GET_BE_WORD(ppf1->PairSetCount))
{
- pLanguageTags[0] = script->languages[i].tag;
- *pcTags = 1;
- if (language_table)
- *language_table = script->languages[i].table;
- rc = S_OK;
- break;
+ int k;
+ int pair_count;
+ const GPOS_PairSet *ps;
+ const GPOS_PairValueRecord *pair_val_rec;
+ offset = GET_BE_WORD(ppf1->PairSetOffset[index]);
+ ps = (const GPOS_PairSet*)((const BYTE*)ppf1+offset);
+ pair_count = GET_BE_WORD(ps->PairValueCount);
+ pair_val_rec = ps->PairValueRecord;
+ for (k = 0; k < pair_count; k++)
+ {
+ WORD second_glyph = GET_BE_WORD(pair_val_rec->SecondGlyph);
+ if (glyphs[glyph_index+write_dir] == second_glyph)
+ {
+ int next = 1;
+ TRACE("Format 1: Found Pair %x,%x\n",glyphs[glyph_index],glyphs[glyph_index+write_dir]);
+ apply_pair_value( ppf1, ValueFormat1, ValueFormat2, pair_val_rec->Value1, ppem, ptAdjust, ptAdvance );
+ if (ValueFormat2) next++;
+ return glyph_index + next;
+ }
+ pair_val_rec = (const GPOS_PairValueRecord *)(pair_val_rec->Value1 + val_fmt1_size + val_fmt2_size);
+ }
}
}
- }
+ else if (GET_BE_WORD(ppf1->PosFormat) == 2)
+ {
+ const GPOS_PairPosFormat2 *ppf2 = (const GPOS_PairPosFormat2*)ppf1;
+ int index;
+ WORD ValueFormat1 = GET_BE_WORD( ppf2->ValueFormat1 );
+ WORD ValueFormat2 = GET_BE_WORD( ppf2->ValueFormat2 );
+ INT val_fmt1_size = GPOS_get_value_record( ValueFormat1, NULL, NULL );
+ INT val_fmt2_size = GPOS_get_value_record( ValueFormat2, NULL, NULL );
+ WORD class1_count = GET_BE_WORD( ppf2->Class1Count );
+ WORD class2_count = GET_BE_WORD( ppf2->Class2Count );
+
+ offset = GET_BE_WORD( ppf2->Coverage );
+ index = GSUB_is_glyph_covered( (const BYTE*)ppf2 + offset, glyphs[glyph_index] );
+ if (index != -1)
+ {
+ WORD class1, class2;
+ class1 = OT_get_glyph_class( (const BYTE *)ppf2 + GET_BE_WORD(ppf2->ClassDef1), glyphs[glyph_index] );
+ class2 = OT_get_glyph_class( (const BYTE *)ppf2 + GET_BE_WORD(ppf2->ClassDef2), glyphs[glyph_index + write_dir] );
+ if (class1 < class1_count && class2 < class2_count)
+ {
+ const WORD *pair_val = ppf2->Class1Record + (class1 * class2_count + class2) * (val_fmt1_size + val_fmt2_size);
+ int next = 1;
- if (script->default_language.table)
- {
- if (i < cMaxTags)
- pLanguageTags[i] = script->default_language.tag;
+ TRACE( "Format 2: Found Pair %x,%x\n", glyphs[glyph_index], glyphs[glyph_index + write_dir] );
- if (searchingFor && FAILED(rc))
- {
- pLanguageTags[0] = script->default_language.tag;
- if (language_table)
- *language_table = script->default_language.table;
+ apply_pair_value( ppf2, ValueFormat1, ValueFormat2, pair_val, ppem, ptAdjust, ptAdvance );
+ if (ValueFormat2) next++;
+ return glyph_index + next;
+ }
+ }
}
- i++;
- *pcTags = (*pcTags) + 1;
+ else
+ FIXME("Pair Adjustment Positioning: Format %i Unhandled\n",GET_BE_WORD(ppf1->PosFormat));
}
-
- return rc;
+ return glyph_index+1;
}
-
-static void GSUB_initialize_feature_cache(LPCVOID table, LoadedLanguage *language)
+static VOID GPOS_apply_CursiveAttachment(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis, const WORD *glyphs, INT glyph_index,
+ INT glyph_count, INT ppem, LPPOINT pt)
{
- int i;
+ int j;
+ int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
- if (!language->feature_count)
- {
- const GSUB_LangSys *lang= language->table;
- const GSUB_Header *header = (const GSUB_Header *)table;
- const GSUB_FeatureList *feature_list;
+ if (glyph_index + write_dir < 0 || glyph_index + write_dir >= glyph_count) return;
- language->feature_count = GET_BE_WORD(lang->FeatureCount);
- TRACE("%i features\n",language->feature_count);
+ TRACE("Cursive Attachment Positioning Subtable\n");
- if (language->feature_count)
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
+ {
+ const GPOS_CursivePosFormat1 *cpf1 = (const GPOS_CursivePosFormat1 *)GPOS_get_subtable(look, j);
+ if (GET_BE_WORD(cpf1->PosFormat) == 1)
{
- language->features = HeapAlloc(GetProcessHeap(),0,sizeof(LoadedFeature)*language->feature_count);
-
- feature_list = (const GSUB_FeatureList*)((const BYTE*)header + GET_BE_WORD(header->FeatureList));
-
+ int index_exit, index_entry;
+ 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)
+ {
+ index_entry = GSUB_is_glyph_covered((const BYTE*)cpf1+offset, glyphs[glyph_index+write_dir]);
+ if (index_entry != -1 && cpf1->EntryExitRecord[index_entry].EntryAnchor != 0)
+ {
+ POINT exit_pt, entry_pt;
+ offset = GET_BE_WORD(cpf1->EntryExitRecord[index_exit].ExitAnchor);
+ GPOS_get_anchor_values((const BYTE*)cpf1 + offset, &exit_pt, ppem);
+ offset = GET_BE_WORD(cpf1->EntryExitRecord[index_entry].EntryAnchor);
+ GPOS_get_anchor_values((const BYTE*)cpf1 + offset, &entry_pt, ppem);
+ TRACE("Found linkage %x[%i,%i] %x[%i,%i]\n",glyphs[glyph_index], exit_pt.x,exit_pt.y, glyphs[glyph_index+write_dir], entry_pt.x, entry_pt.y);
+ pt->x = entry_pt.x - exit_pt.x;
+ pt->y = entry_pt.y - exit_pt.y;
+ return;
+ }
+ }
+ }
+ else
+ FIXME("Cursive Attachment Positioning: Format %i Unhandled\n",GET_BE_WORD(cpf1->PosFormat));
+ }
+ return;
+}
+
+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");
+
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
+ {
+ 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);
+ int mark_index;
+ mark_index = GSUB_is_glyph_covered((const BYTE*)mbpf1+offset, glyphs[glyph_index]);
+ 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[base_glyph]);
+ if (base_index != -1)
+ {
+ const GPOS_MarkArray *ma;
+ const GPOS_MarkRecord *mr;
+ const GPOS_BaseArray *ba;
+ const GPOS_BaseRecord *br;
+ int mark_class;
+ int class_count = GET_BE_WORD(mbpf1->ClassCount);
+ int baserecord_size;
+ POINT base_pt;
+ POINT mark_pt;
+ 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 -1;
+ }
+ mr = &ma->MarkRecord[mark_index];
+ mark_class = GET_BE_WORD(mr->Class);
+ TRACE("Mark Class %i total classes %i\n",mark_class,class_count);
+ offset = GET_BE_WORD(mbpf1->BaseArray);
+ ba = (const GPOS_BaseArray*)((const BYTE*)mbpf1 + offset);
+ baserecord_size = class_count * sizeof(WORD);
+ br = (const GPOS_BaseRecord*)((const BYTE*)ba + sizeof(WORD) + (baserecord_size * base_index));
+ offset = GET_BE_WORD(br->BaseAnchor[mark_class]);
+ GPOS_get_anchor_values((const BYTE*)ba + offset, &base_pt, ppem);
+ offset = GET_BE_WORD(mr->MarkAnchor);
+ GPOS_get_anchor_values((const BYTE*)ma + offset, &mark_pt, ppem);
+ TRACE("Offset on base is %i,%i design units\n",base_pt.x,base_pt.y);
+ TRACE("Offset on mark is %i,%i design units\n",mark_pt.x, mark_pt.y);
+ 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,
+ INT glyph_count, INT ppem, LPPOINT pt)
+{
+ int j;
+ int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
+
+ TRACE("MarkToLigature Attachment Positioning Subtable\n");
+
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
+ {
+ 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);
+ int mark_index;
+ mark_index = GSUB_is_glyph_covered((const BYTE*)mlpf1+offset, glyphs[glyph_index]);
+ if (mark_index != -1)
+ {
+ int ligature_index;
+ offset = GET_BE_WORD(mlpf1->LigatureCoverage);
+ ligature_index = GSUB_is_glyph_covered((const BYTE*)mlpf1+offset, glyphs[glyph_index - write_dir]);
+ if (ligature_index != -1)
+ {
+ const GPOS_MarkArray *ma;
+ const GPOS_MarkRecord *mr;
+
+ const GPOS_LigatureArray *la;
+ const GPOS_LigatureAttach *lt;
+ int mark_class;
+ int class_count = GET_BE_WORD(mlpf1->ClassCount);
+ int component_count;
+ int component_size;
+ int i;
+ POINT ligature_pt;
+ POINT mark_pt;
+
+ TRACE("Mark %x(%i) and ligature %x(%i)\n",glyphs[glyph_index], mark_index, glyphs[glyph_index - write_dir], ligature_index);
+ offset = GET_BE_WORD(mlpf1->MarkArray);
+ ma = (const GPOS_MarkArray*)((const BYTE*)mlpf1 + offset);
+ if (mark_index > GET_BE_WORD(ma->MarkCount))
+ {
+ ERR("Mark index exeeded mark count\n");
+ return;
+ }
+ mr = &ma->MarkRecord[mark_index];
+ mark_class = GET_BE_WORD(mr->Class);
+ TRACE("Mark Class %i total classes %i\n",mark_class,class_count);
+ offset = GET_BE_WORD(mlpf1->LigatureArray);
+ la = (const GPOS_LigatureArray*)((const BYTE*)mlpf1 + offset);
+ if (ligature_index > GET_BE_WORD(la->LigatureCount))
+ {
+ ERR("Ligature index exeeded ligature count\n");
+ return;
+ }
+ offset = GET_BE_WORD(la->LigatureAttach[ligature_index]);
+ lt = (const GPOS_LigatureAttach*)((const BYTE*)la + offset);
+
+ component_count = GET_BE_WORD(lt->ComponentCount);
+ component_size = class_count * sizeof(WORD);
+ offset = 0;
+ for (i = 0; i < component_count && !offset; i++)
+ {
+ int k;
+ const GPOS_ComponentRecord *cr = (const GPOS_ComponentRecord*)((const BYTE*)lt->ComponentRecord + (component_size * i));
+ for (k = 0; k < class_count && !offset; k++)
+ offset = GET_BE_WORD(cr->LigatureAnchor[k]);
+ cr = (const GPOS_ComponentRecord*)((const BYTE*)cr + component_size);
+ }
+ if (!offset)
+ {
+ ERR("Failed to find avalible ligature connection point\n");
+ return;
+ }
+
+ GPOS_get_anchor_values((const BYTE*)lt + offset, &ligature_pt, ppem);
+ offset = GET_BE_WORD(mr->MarkAnchor);
+ GPOS_get_anchor_values((const BYTE*)ma + offset, &mark_pt, ppem);
+ TRACE("Offset on ligature is %i,%i design units\n",ligature_pt.x,ligature_pt.y);
+ TRACE("Offset on mark is %i,%i design units\n",mark_pt.x, mark_pt.y);
+ pt->x += ligature_pt.x - mark_pt.x;
+ pt->y += ligature_pt.y - mark_pt.y;
+ TRACE("Resulting cumulative offset is %i,%i design units\n",pt->x,pt->y);
+ }
+ }
+ }
+ else
+ FIXME("Unhandled Mark To Ligature Format %i\n",GET_BE_WORD(mlpf1->PosFormat));
+ }
+}
+
+static BOOL GPOS_apply_MarkToMark(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis, const WORD *glyphs, INT glyph_index,
+ INT glyph_count, INT ppem, LPPOINT pt)
+{
+ int j;
+ BOOL rc = FALSE;
+ int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
+
+ TRACE("MarkToMark Attachment Positioning Subtable\n");
+
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
+ {
+ 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);
+ int mark_index;
+ mark_index = GSUB_is_glyph_covered((const BYTE*)mmpf1+offset, glyphs[glyph_index]);
+ if (mark_index != -1)
+ {
+ int mark2_index;
+ offset = GET_BE_WORD(mmpf1->Mark2Coverage);
+ mark2_index = GSUB_is_glyph_covered((const BYTE*)mmpf1+offset, glyphs[glyph_index - write_dir]);
+ if (mark2_index != -1)
+ {
+ const GPOS_MarkArray *ma;
+ const GPOS_MarkRecord *mr;
+ const GPOS_Mark2Array *m2a;
+ const GPOS_Mark2Record *m2r;
+ int mark_class;
+ int class_count = GET_BE_WORD(mmpf1->ClassCount);
+ int mark2record_size;
+ POINT mark2_pt;
+ POINT mark_pt;
+ TRACE("Mark %x(%i) and Mark2 %x(%i)\n",glyphs[glyph_index], mark_index, glyphs[glyph_index - write_dir], mark2_index);
+ offset = GET_BE_WORD(mmpf1->Mark1Array);
+ ma = (const GPOS_MarkArray*)((const BYTE*)mmpf1 + offset);
+ if (mark_index > GET_BE_WORD(ma->MarkCount))
+ {
+ ERR("Mark index exceeded mark count\n");
+ return FALSE;
+ }
+ mr = &ma->MarkRecord[mark_index];
+ mark_class = GET_BE_WORD(mr->Class);
+ TRACE("Mark Class %i total classes %i\n",mark_class,class_count);
+ offset = GET_BE_WORD(mmpf1->Mark2Array);
+ m2a = (const GPOS_Mark2Array*)((const BYTE*)mmpf1 + offset);
+ mark2record_size = class_count * sizeof(WORD);
+ m2r = (const GPOS_Mark2Record*)((const BYTE*)m2a + sizeof(WORD) + (mark2record_size * mark2_index));
+ offset = GET_BE_WORD(m2r->Mark2Anchor[mark_class]);
+ GPOS_get_anchor_values((const BYTE*)m2a + offset, &mark2_pt, ppem);
+ offset = GET_BE_WORD(mr->MarkAnchor);
+ GPOS_get_anchor_values((const BYTE*)ma + offset, &mark_pt, ppem);
+ TRACE("Offset on mark2 is %i,%i design units\n",mark2_pt.x,mark2_pt.y);
+ TRACE("Offset on mark is %i,%i design units\n",mark_pt.x, mark_pt.y);
+ pt->x += mark2_pt.x - mark_pt.x;
+ pt->y += mark2_pt.y - mark_pt.y;
+ TRACE("Resulting cumulative offset is %i,%i design units\n",pt->x,pt->y);
+ rc = TRUE;
+ }
+ }
+ }
+ else
+ FIXME("Unhandled Mark To Mark Format %i\n",GET_BE_WORD(mmpf1->PosFormat));
+ }
+ return rc;
+}
+
+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)
+{
+ int j;
+ int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
+
+ TRACE("Chaining Contextual Positioning Subtable\n");
+
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
+ {
+ int offset;
+ const GPOS_ChainContextPosFormat3_1 *ccpf3 = (GPOS_ChainContextPosFormat3_1 *)GPOS_get_subtable(look, j);
+ int dirLookahead = write_dir;
+ int dirBacktrack = -1 * write_dir;
+
+ if (GET_BE_WORD(ccpf3->PosFormat) == 1)
+ {
+ FIXME(" TODO: subtype 1 (Simple Chaining Context Glyph Positioning)\n");
+ continue;
+ }
+ else if (GET_BE_WORD(ccpf3->PosFormat) == 2)
+ {
+ FIXME(" TODO: subtype 2 (Class-based Chaining Context Glyph Positioning)\n");
+ continue;
+ }
+ else if (GET_BE_WORD(ccpf3->PosFormat) == 3)
+ {
+ int k;
+ int indexGlyphs;
+ const GPOS_ChainContextPosFormat3_2 *ccpf3_2;
+ const GPOS_ChainContextPosFormat3_3 *ccpf3_3;
+ const GPOS_ChainContextPosFormat3_4 *ccpf3_4;
+
+ TRACE(" subtype 3 (Coverage-based Chaining Context Glyph Positioning)\n");
+
+ for (k = 0; k < GET_BE_WORD(ccpf3->BacktrackGlyphCount); k++)
+ {
+ offset = GET_BE_WORD(ccpf3->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE*)ccpf3+offset, glyphs[glyph_index + (dirBacktrack * (k+1))]) == -1)
+ break;
+ }
+ if (k != GET_BE_WORD(ccpf3->BacktrackGlyphCount))
+ continue;
+ TRACE("Matched Backtrack\n");
+
+ ccpf3_2 = (const GPOS_ChainContextPosFormat3_2*)((BYTE *)ccpf3 +
+ FIELD_OFFSET(GPOS_ChainContextPosFormat3_1, Coverage[GET_BE_WORD(ccpf3->BacktrackGlyphCount)]));
+
+ indexGlyphs = GET_BE_WORD(ccpf3_2->InputGlyphCount);
+ for (k = 0; k < indexGlyphs; k++)
+ {
+ offset = GET_BE_WORD(ccpf3_2->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE*)ccpf3+offset, glyphs[glyph_index + (write_dir * k)]) == -1)
+ break;
+ }
+ if (k != indexGlyphs)
+ continue;
+ TRACE("Matched IndexGlyphs\n");
+
+ ccpf3_3 = (const GPOS_ChainContextPosFormat3_3*)((BYTE *)ccpf3_2 +
+ FIELD_OFFSET(GPOS_ChainContextPosFormat3_2, Coverage[GET_BE_WORD(ccpf3_2->InputGlyphCount)]));
+
+ for (k = 0; k < GET_BE_WORD(ccpf3_3->LookaheadGlyphCount); k++)
+ {
+ offset = GET_BE_WORD(ccpf3_3->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE*)ccpf3+offset, glyphs[glyph_index + (dirLookahead * (indexGlyphs + k))]) == -1)
+ break;
+ }
+ if (k != GET_BE_WORD(ccpf3_3->LookaheadGlyphCount))
+ continue;
+ TRACE("Matched LookAhead\n");
+
+ ccpf3_4 = (const GPOS_ChainContextPosFormat3_4*)((BYTE *)ccpf3_3 +
+ FIELD_OFFSET(GPOS_ChainContextPosFormat3_3, Coverage[GET_BE_WORD(ccpf3_3->LookaheadGlyphCount)]));
+
+ if (GET_BE_WORD(ccpf3_4->PosCount))
+ {
+ for (k = 0; k < GET_BE_WORD(ccpf3_4->PosCount); k++)
+ {
+ int lookupIndex = GET_BE_WORD(ccpf3_4->PosLookupRecord[k].LookupListIndex);
+ int SequenceIndex = GET_BE_WORD(ccpf3_4->PosLookupRecord[k].SequenceIndex) * write_dir;
+
+ TRACE("Position: %i -> %i %i\n",k, SequenceIndex, lookupIndex);
+ 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);
+ }
+ else return glyph_index + 1;
+ }
+ else
+ FIXME("Unhandled Chaining Contextual Positioning Format %i\n",GET_BE_WORD(ccpf3->PosFormat));
+ }
+ return glyph_index + 1;
+}
+
+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;
+ 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);
+ 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:
+ {
+ double devX, devY;
+ POINT adjust = {0,0};
+ POINT advance = {0,0};
+ GPOS_apply_SingleAdjustment(look, analysis, glyphs, glyph_index, glyph_count, ppem, &adjust, &advance);
+ if (adjust.x || adjust.y)
+ {
+ GPOS_convert_design_units_to_device(lpotm, lplogfont, adjust.x, adjust.y, &devX, &devY);
+ pGoffset[glyph_index].du += round(devX);
+ pGoffset[glyph_index].dv += round(devY);
+ }
+ if (advance.x || advance.y)
+ {
+ GPOS_convert_design_units_to_device(lpotm, lplogfont, advance.x, advance.y, &devX, &devY);
+ piAdvance[glyph_index] += round(devX);
+ if (advance.y)
+ FIXME("Unhandled adjustment to Y advancement\n");
+ }
+ break;
+ }
+ case 2:
+ {
+ POINT advance[2]= {{0,0},{0,0}};
+ POINT adjust[2]= {{0,0},{0,0}};
+ double devX, devY;
+ int index;
+ int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
+ int offset_sign = (analysis->fRTL && analysis->fLogicalOrder) ? -1 : 1;
+
+ index = GPOS_apply_PairAdjustment(look, analysis, glyphs, glyph_index, glyph_count, ppem, adjust, advance);
+ if (adjust[0].x || adjust[0].y)
+ {
+ GPOS_convert_design_units_to_device(lpotm, lplogfont, adjust[0].x, adjust[0].y, &devX, &devY);
+ pGoffset[glyph_index].du += round(devX) * offset_sign;
+ pGoffset[glyph_index].dv += round(devY);
+ }
+ if (advance[0].x || advance[0].y)
+ {
+ GPOS_convert_design_units_to_device(lpotm, lplogfont, advance[0].x, advance[0].y, &devX, &devY);
+ piAdvance[glyph_index] += round(devX);
+ }
+ if (adjust[1].x || adjust[1].y)
+ {
+ GPOS_convert_design_units_to_device(lpotm, lplogfont, adjust[1].x, adjust[1].y, &devX, &devY);
+ pGoffset[glyph_index + write_dir].du += round(devX) * offset_sign;
+ pGoffset[glyph_index + write_dir].dv += round(devY);
+ }
+ if (advance[1].x || advance[1].y)
+ {
+ GPOS_convert_design_units_to_device(lpotm, lplogfont, advance[1].x, advance[1].y, &devX, &devY);
+ piAdvance[glyph_index + write_dir] += round(devX);
+ }
+ return index;
+ }
+ case 3:
+ {
+ POINT desU = {0,0};
+ double devX, devY;
+ int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
+
+ GPOS_apply_CursiveAttachment(look, analysis, glyphs, glyph_index, glyph_count, ppem, &desU);
+ if (desU.x || desU.y)
+ {
+ GPOS_convert_design_units_to_device(lpotm, lplogfont, desU.x, desU.y, &devX, &devY);
+ /* Windows does not appear to apply X offsets here */
+ pGoffset[glyph_index].dv = round(devY) + pGoffset[glyph_index+write_dir].dv;
+ }
+ break;
+ }
+ case 4:
+ {
+ double devX, devY;
+ POINT desU = {0,0};
+ 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[base_index];
+ else
+ {
+ if (analysis->fLogicalOrder) devX *= -1;
+ pGoffset[glyph_index].du = round(devX);
+ }
+ pGoffset[glyph_index].dv = round(devY);
+ }
+ break;
+ }
+ case 5:
+ {
+ double devX, devY;
+ POINT desU = {0,0};
+ GPOS_apply_MarkToLigature(look, analysis, glyphs, glyph_index, glyph_count, ppem, &desU);
+ if (desU.x || desU.y)
+ {
+ GPOS_convert_design_units_to_device(lpotm, lplogfont, desU.x, desU.y, &devX, &devY);
+ pGoffset[glyph_index].du = (round(devX) - piAdvance[glyph_index-1]);
+ pGoffset[glyph_index].dv = round(devY);
+ }
+ break;
+ }
+ case 6:
+ {
+ double devX, devY;
+ POINT desU = {0,0};
+ int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
+ if (GPOS_apply_MarkToMark(look, analysis, glyphs, glyph_index, glyph_count, ppem, &desU))
+ {
+ GPOS_convert_design_units_to_device(lpotm, lplogfont, desU.x, desU.y, &devX, &devY);
+ if (analysis->fRTL && analysis->fLogicalOrder) devX *= -1;
+ pGoffset[glyph_index].du = round(devX) + pGoffset[glyph_index - write_dir].du;
+ pGoffset[glyph_index].dv = round(devY) + pGoffset[glyph_index - write_dir].dv;
+ }
+ break;
+ }
+ case 8:
+ {
+ 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",type);
+ }
+ return glyph_index+1;
+}
+
+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 *)psc->GPOS_Table;
+ const OT_LookupList *lookup = (const OT_LookupList*)((const BYTE*)header + GET_BE_WORD(header->LookupList));
+
+ 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)
+{
+ int i;
+
+ if (psc->GSUB_Table)
+ {
+ const OT_ScriptList *script;
+ const GSUB_Header* header = (const GSUB_Header*)psc->GSUB_Table;
+ script = (const OT_ScriptList*)((const BYTE*)header + GET_BE_WORD(header->ScriptList));
+ psc->script_count = GET_BE_WORD(script->ScriptCount);
+ TRACE("initializing %i scripts in this font\n",psc->script_count);
+ if (psc->script_count)
+ {
+ psc->scripts = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LoadedScript) * psc->script_count);
+ for (i = 0; i < psc->script_count; i++)
+ {
+ int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
+ psc->scripts[i].tag = MS_MAKE_TAG(script->ScriptRecord[i].ScriptTag[0], script->ScriptRecord[i].ScriptTag[1], script->ScriptRecord[i].ScriptTag[2], script->ScriptRecord[i].ScriptTag[3]);
+ psc->scripts[i].gsub_table = ((const BYTE*)script + offset);
+ }
+ }
+ }
+}
+
+static void GPOS_expand_script_cache(ScriptCache *psc)
+{
+ int i, count;
+ const OT_ScriptList *script;
+ const GPOS_Header* header = (const GPOS_Header*)psc->GPOS_Table;
+
+ if (!header)
+ return;
+
+ script = (const OT_ScriptList*)((const BYTE*)header + GET_BE_WORD(header->ScriptList));
+ count = GET_BE_WORD(script->ScriptCount);
+
+ if (!count)
+ return;
+
+ if (!psc->script_count)
+ {
+ psc->script_count = count;
+ TRACE("initializing %i scripts in this font\n",psc->script_count);
+ if (psc->script_count)
+ {
+ psc->scripts = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LoadedScript) * psc->script_count);
+ for (i = 0; i < psc->script_count; i++)
+ {
+ int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
+ psc->scripts[i].tag = MS_MAKE_TAG(script->ScriptRecord[i].ScriptTag[0], script->ScriptRecord[i].ScriptTag[1], script->ScriptRecord[i].ScriptTag[2], script->ScriptRecord[i].ScriptTag[3]);
+ psc->scripts[i].gpos_table = ((const BYTE*)script + offset);
+ }
+ }
+ }
+ else
+ {
+ for (i = 0; i < count; i++)
+ {
+ int j;
+ int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
+ OPENTYPE_TAG tag = MS_MAKE_TAG(script->ScriptRecord[i].ScriptTag[0], script->ScriptRecord[i].ScriptTag[1], script->ScriptRecord[i].ScriptTag[2], script->ScriptRecord[i].ScriptTag[3]);
+ for (j = 0; j < psc->script_count; j++)
+ {
+ if (psc->scripts[j].tag == tag)
+ {
+ psc->scripts[j].gpos_table = ((const BYTE*)script + offset);
+ break;
+ }
+ }
+ if (j == psc->script_count)
+ {
+ psc->script_count++;
+ psc->scripts = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,psc->scripts, sizeof(LoadedScript) * psc->script_count);
+ psc->scripts[j].tag = tag;
+ psc->scripts[j].gpos_table = ((const BYTE*)script + offset);
+ }
+ }
+ }
+}
+
+static void _initialize_script_cache(ScriptCache *psc)
+{
+ if (!psc->scripts_initialized)
+ {
+ GSUB_initialize_script_cache(psc);
+ GPOS_expand_script_cache(psc);
+ psc->scripts_initialized = TRUE;
+ }
+}
+
+HRESULT OpenType_GetFontScriptTags(ScriptCache *psc, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags)
+{
+ int i;
+ HRESULT rc = S_OK;
+
+ _initialize_script_cache(psc);
+
+ *pcTags = psc->script_count;
+
+ if (!searchingFor && cMaxTags < *pcTags)
+ rc = E_OUTOFMEMORY;
+ else if (searchingFor)
+ rc = USP_E_SCRIPT_NOT_IN_FONT;
+
+ for (i = 0; i < psc->script_count; i++)
+ {
+ if (i < cMaxTags)
+ pScriptTags[i] = psc->scripts[i].tag;
+
+ if (searchingFor)
+ {
+ if (searchingFor == psc->scripts[i].tag)
+ {
+ pScriptTags[0] = psc->scripts[i].tag;
+ *pcTags = 1;
+ rc = S_OK;
+ break;
+ }
+ }
+ }
+ return rc;
+}
+
+static void GSUB_initialize_language_cache(LoadedScript *script)
+{
+ int i;
+
+ if (script->gsub_table)
+ {
+ DWORD offset;
+ const OT_Script* table = script->gsub_table;
+ script->language_count = GET_BE_WORD(table->LangSysCount);
+ offset = GET_BE_WORD(table->DefaultLangSys);
+ if (offset)
+ {
+ script->default_language.tag = MS_MAKE_TAG('d','f','l','t');
+ script->default_language.gsub_table = (const BYTE*)table + offset;
+ }
+
+ if (script->language_count)
+ {
+ TRACE("Deflang %p, LangCount %i\n",script->default_language.gsub_table, script->language_count);
+
+ script->languages = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LoadedLanguage) * script->language_count);
+
+ for (i = 0; i < script->language_count; i++)
+ {
+ int offset = GET_BE_WORD(table->LangSysRecord[i].LangSys);
+ script->languages[i].tag = MS_MAKE_TAG(table->LangSysRecord[i].LangSysTag[0], table->LangSysRecord[i].LangSysTag[1], table->LangSysRecord[i].LangSysTag[2], table->LangSysRecord[i].LangSysTag[3]);
+ script->languages[i].gsub_table = ((const BYTE*)table + offset);
+ }
+ }
+ }
+}
+
+static void GPOS_expand_language_cache(LoadedScript *script)
+{
+ int count;
+ const OT_Script* table = script->gpos_table;
+ DWORD offset;
+
+ if (!table)
+ return;
+
+ offset = GET_BE_WORD(table->DefaultLangSys);
+ if (offset)
+ script->default_language.gpos_table = (const BYTE*)table + offset;
+
+ count = GET_BE_WORD(table->LangSysCount);
+
+ TRACE("Deflang %p, LangCount %i\n",script->default_language.gpos_table, count);
+
+ if (!count)
+ return;
+
+ if (!script->language_count)
+ {
+ int i;
+ script->language_count = count;
+
+ script->languages = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LoadedLanguage) * script->language_count);
+
+ for (i = 0; i < script->language_count; i++)
+ {
+ int offset = GET_BE_WORD(table->LangSysRecord[i].LangSys);
+ script->languages[i].tag = MS_MAKE_TAG(table->LangSysRecord[i].LangSysTag[0], table->LangSysRecord[i].LangSysTag[1], table->LangSysRecord[i].LangSysTag[2], table->LangSysRecord[i].LangSysTag[3]);
+ script->languages[i].gpos_table = ((const BYTE*)table + offset);
+ }
+ }
+ else if (count)
+ {
+ int i,j;
+ for (i = 0; i < count; i++)
+ {
+ int offset = GET_BE_WORD(table->LangSysRecord[i].LangSys);
+ OPENTYPE_TAG tag = MS_MAKE_TAG(table->LangSysRecord[i].LangSysTag[0], table->LangSysRecord[i].LangSysTag[1], table->LangSysRecord[i].LangSysTag[2], table->LangSysRecord[i].LangSysTag[3]);
+
+ for (j = 0; j < script->language_count; j++)
+ {
+ if (script->languages[j].tag == tag)
+ {
+ script->languages[j].gpos_table = ((const BYTE*)table + offset);
+ break;
+ }
+ }
+ if (j == script->language_count)
+ {
+ script->language_count++;
+ script->languages = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,script->languages, sizeof(LoadedLanguage) * script->language_count);
+ script->languages[j].tag = tag;
+ script->languages[j].gpos_table = ((const BYTE*)table + offset);
+ }
+ }
+ }
+}
+
+static void _initialize_language_cache(LoadedScript *script)
+{
+ if (!script->languages_initialized)
+ {
+ GSUB_initialize_language_cache(script);
+ GPOS_expand_language_cache(script);
+ script->languages_initialized = TRUE;
+ }
+}
+
+HRESULT OpenType_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags)
+{
+ int i;
+ HRESULT rc = S_OK;
+ LoadedScript *script = NULL;
+
+ _initialize_script_cache(psc);
+
+ for (i = 0; i < psc->script_count; i++)
+ {
+ if (psc->scripts[i].tag == script_tag)
+ {
+ script = &psc->scripts[i];
+ break;
+ }
+ }
+
+ if (!script)
+ return E_INVALIDARG;
+
+ _initialize_language_cache(script);
+
+ if (!searchingFor && cMaxTags < script->language_count)
+ rc = E_OUTOFMEMORY;
+ else if (searchingFor)
+ rc = E_INVALIDARG;
+
+ *pcTags = script->language_count;
+
+ for (i = 0; i < script->language_count; i++)
+ {
+ if (i < cMaxTags)
+ pLanguageTags[i] = script->languages[i].tag;
+
+ if (searchingFor)
+ {
+ if (searchingFor == script->languages[i].tag)
+ {
+ pLanguageTags[0] = script->languages[i].tag;
+ *pcTags = 1;
+ rc = S_OK;
+ break;
+ }
+ }
+ }
+
+ if (script->default_language.gsub_table)
+ {
+ if (i < cMaxTags)
+ pLanguageTags[i] = script->default_language.tag;
+
+ if (searchingFor && FAILED(rc))
+ {
+ pLanguageTags[0] = script->default_language.tag;
+ }
+ i++;
+ *pcTags = (*pcTags) + 1;
+ }
+
+ return rc;
+}
+
+
+static void GSUB_initialize_feature_cache(LPCVOID table, LoadedLanguage *language)
+{
+ int i;
+
+ if (language->gsub_table)
+ {
+ const OT_LangSys *lang = language->gsub_table;
+ const GSUB_Header *header = (const GSUB_Header *)table;
+ const OT_FeatureList *feature_list;
+
+ language->feature_count = GET_BE_WORD(lang->FeatureCount);
+ TRACE("%i features\n",language->feature_count);
+
+ if (language->feature_count)
+ {
+ language->features = HeapAlloc(GetProcessHeap(),0,sizeof(LoadedFeature)*language->feature_count);
+
+ feature_list = (const OT_FeatureList*)((const BYTE*)header + GET_BE_WORD(header->FeatureList));
+
for (i = 0; i < language->feature_count; i++)
{
- const GSUB_Feature *feature;
+ const OT_Feature *feature;
int j;
int index = GET_BE_WORD(lang->FeatureIndex[i]);
language->features[i].tag = MS_MAKE_TAG(feature_list->FeatureRecord[index].FeatureTag[0], feature_list->FeatureRecord[index].FeatureTag[1], feature_list->FeatureRecord[index].FeatureTag[2], feature_list->FeatureRecord[index].FeatureTag[3]);
language->features[i].feature = ((const BYTE*)feature_list + GET_BE_WORD(feature_list->FeatureRecord[index].Feature));
- feature = (const GSUB_Feature*)language->features[i].feature;
+ feature = (const OT_Feature*)language->features[i].feature;
language->features[i].lookup_count = GET_BE_WORD(feature->LookupCount);
language->features[i].lookups = HeapAlloc(GetProcessHeap(),0,sizeof(WORD) * language->features[i].lookup_count);
for (j = 0; j < language->features[i].lookup_count; j++)
language->features[i].lookups[j] = GET_BE_WORD(feature->LookupListIndex[j]);
+ language->features[i].tableType = FEATURE_GSUB_TABLE;
}
}
}
}
-HRESULT OpenType_GSUB_GetFontFeatureTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG language_tag, BOOL filtered, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pFeatureTags, int *pcTags, LoadedFeature** feature)
+static void GPOS_expand_feature_cache(LPCVOID table, LoadedLanguage *language)
+{
+ int i, count;
+ const OT_LangSys *lang = language->gpos_table;
+ const GPOS_Header *header = (const GPOS_Header *)table;
+ const OT_FeatureList *feature_list;
+
+ if (!lang)
+ return;
+
+ count = GET_BE_WORD(lang->FeatureCount);
+ feature_list = (const OT_FeatureList*)((const BYTE*)header + GET_BE_WORD(header->FeatureList));
+
+ TRACE("%i features\n",count);
+
+ if (!count)
+ return;
+
+ if (!language->feature_count)
+ {
+ language->feature_count = count;
+
+ if (language->feature_count)
+ {
+ language->features = HeapAlloc(GetProcessHeap(),0,sizeof(LoadedFeature)*language->feature_count);
+
+ for (i = 0; i < language->feature_count; i++)
+ {
+ const OT_Feature *feature;
+ int j;
+ int index = GET_BE_WORD(lang->FeatureIndex[i]);
+
+ language->features[i].tag = MS_MAKE_TAG(feature_list->FeatureRecord[index].FeatureTag[0], feature_list->FeatureRecord[index].FeatureTag[1], feature_list->FeatureRecord[index].FeatureTag[2], feature_list->FeatureRecord[index].FeatureTag[3]);
+ language->features[i].feature = ((const BYTE*)feature_list + GET_BE_WORD(feature_list->FeatureRecord[index].Feature));
+ feature = (const OT_Feature*)language->features[i].feature;
+ language->features[i].lookup_count = GET_BE_WORD(feature->LookupCount);
+ language->features[i].lookups = HeapAlloc(GetProcessHeap(),0,sizeof(WORD) * language->features[i].lookup_count);
+ for (j = 0; j < language->features[i].lookup_count; j++)
+ language->features[i].lookups[j] = GET_BE_WORD(feature->LookupListIndex[j]);
+ language->features[i].tableType = FEATURE_GPOS_TABLE;
+ }
+ }
+ }
+ else
+ {
+ language->features = HeapReAlloc(GetProcessHeap(),0,language->features, sizeof(LoadedFeature)*(language->feature_count + count));
+
+ for (i = 0; i < count; i++)
+ {
+ const OT_Feature *feature;
+ int j;
+ int index = GET_BE_WORD(lang->FeatureIndex[i]);
+ int idx = language->feature_count + i;
+
+ language->features[idx].tag = MS_MAKE_TAG(feature_list->FeatureRecord[index].FeatureTag[0], feature_list->FeatureRecord[index].FeatureTag[1], feature_list->FeatureRecord[index].FeatureTag[2], feature_list->FeatureRecord[index].FeatureTag[3]);
+ language->features[idx].feature = ((const BYTE*)feature_list + GET_BE_WORD(feature_list->FeatureRecord[index].Feature));
+ feature = (const OT_Feature*)language->features[idx].feature;
+ language->features[idx].lookup_count = GET_BE_WORD(feature->LookupCount);
+ language->features[idx].lookups = HeapAlloc(GetProcessHeap(),0,sizeof(WORD) * language->features[idx].lookup_count);
+ for (j = 0; j < language->features[idx].lookup_count; j++)
+ language->features[idx].lookups[j] = GET_BE_WORD(feature->LookupListIndex[j]);
+ language->features[idx].tableType = FEATURE_GPOS_TABLE;
+ }
+ language->feature_count += count;
+ }
+}
+
+static void _initialize_feature_cache(ScriptCache *psc, LoadedLanguage *language)
+{
+ if (!language->features_initialized)
+ {
+ GSUB_initialize_feature_cache(psc->GSUB_Table, language);
+ GPOS_expand_feature_cache(psc->GPOS_Table, language);
+ language->features_initialized = TRUE;
+ }
+}
+
+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)
{
int i;
HRESULT rc = S_OK;
LoadedScript *script = NULL;
LoadedLanguage *language = NULL;
- GSUB_initialize_script_cache(psc);
+ _initialize_script_cache(psc);
for (i = 0; i < psc->script_count; i++)
{
return E_INVALIDARG;
}
- GSUB_initialize_language_cache(script);
+ _initialize_language_cache(script);
- if (script->default_language.table && script->default_language.tag == language_tag)
+ if ((script->default_language.gsub_table || script->default_language.gpos_table) && script->default_language.tag == language_tag)
language = &script->default_language;
else
{
return S_OK;
}
- GSUB_initialize_feature_cache(psc->GSUB_Table, language);
+ _initialize_feature_cache(psc, language);
- *pcTags = language->feature_count;
+ if (tableType)
+ {
+ *pcTags = 0;
+ for (i = 0; i < language->feature_count; i++)
+ if (language->features[i].tableType == tableType)
+ *pcTags = (*pcTags)+1;
+ }
+ else
+ *pcTags = language->feature_count;
if (!searchingFor && cMaxTags < *pcTags)
rc = E_OUTOFMEMORY;
for (i = 0; i < language->feature_count; i++)
{
if (i < cMaxTags)
- pFeatureTags[i] = language->features[i].tag;
+ {
+ if (!tableType || language->features[i].tableType == tableType)
+ pFeatureTags[i] = language->features[i].tag;
+ }
if (searchingFor)
{
- if (searchingFor == language->features[i].tag)
+ if ((searchingFor == language->features[i].tag) &&
+ (!tableType || language->features[i].tableType == tableType))
{
pFeatureTags[0] = language->features[i].tag;
*pcTags = 1;
projects / reactos.git / blobdiff