* 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 <winternl.h>
+#include "wine/debug.h"
+#include "wine/heap.h"
WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
/* These are all structures needed for the cmap format 12 table */
#define CMAP_TAG MS_MAKE_TAG('c', 'm', 'a', 'p')
+enum gpos_lookup_type
+{
+ GPOS_LOOKUP_ADJUST_SINGLE = 0x1,
+ GPOS_LOOKUP_ADJUST_PAIR = 0x2,
+ GPOS_LOOKUP_ATTACH_CURSIVE = 0x3,
+ GPOS_LOOKUP_ATTACH_MARK_TO_BASE = 0x4,
+ GPOS_LOOKUP_ATTACH_MARK_TO_LIGATURE = 0x5,
+ GPOS_LOOKUP_ATTACH_MARK_TO_MARK = 0x6,
+ GPOS_LOOKUP_POSITION_CONTEXT = 0x7,
+ GPOS_LOOKUP_POSITION_CONTEXT_CHAINED = 0x8,
+ GPOS_LOOKUP_POSITION_EXTENSION = 0x9,
+};
+
+enum gsub_lookup_type
+{
+ GSUB_LOOKUP_SINGLE = 0x1,
+ GSUB_LOOKUP_MULTIPLE = 0x2,
+ GSUB_LOOKUP_ALTERNATE = 0x3,
+ GSUB_LOOKUP_LIGATURE = 0x4,
+ GSUB_LOOKUP_CONTEXT = 0x5,
+ GSUB_LOOKUP_CONTEXT_CHAINED = 0x6,
+ GSUB_LOOKUP_EXTENSION = 0x7,
+ GSUB_LOOKUP_CONTEXT_CHAINED_REVERSE = 0x8,
+};
+
typedef struct {
WORD platformID;
WORD encodingID;
}GSUB_SubstLookupRecord;
+typedef struct{
+ WORD SubstFormat;
+ WORD Coverage;
+ WORD SubRuleSetCount;
+ WORD SubRuleSet[1];
+}GSUB_ContextSubstFormat1;
+
+typedef struct{
+ WORD SubRuleCount;
+ WORD SubRule[1];
+}GSUB_SubRuleSet;
+
+typedef struct {
+ WORD GlyphCount;
+ WORD SubstCount;
+ WORD Input[1];
+}GSUB_SubRule_1;
+
+typedef struct {
+ GSUB_SubstLookupRecord SubstLookupRecord[1];
+}GSUB_SubRule_2;
+
+typedef struct {
+ WORD SubstFormat;
+ WORD Coverage;
+ WORD ClassDef;
+ WORD SubClassSetCnt;
+ WORD SubClassSet[1];
+}GSUB_ContextSubstFormat2;
+
+typedef struct {
+ WORD SubClassRuleCnt;
+ WORD SubClassRule[1];
+}GSUB_SubClassSet;
+
+typedef struct {
+ WORD GlyphCount;
+ WORD SubstCount;
+ WORD Class[1];
+}GSUB_SubClassRule_1;
+
+typedef struct {
+ GSUB_SubstLookupRecord SubstLookupRecord[1];
+}GSUB_SubClassRule_2;
+
typedef struct{
WORD SubstFormat; /* = 1 */
WORD Coverage;
WORD ChainSubRuleSet[1];
}GSUB_ChainContextSubstFormat1;
+typedef struct {
+ WORD SubstFormat; /* = 2 */
+ WORD Coverage;
+ WORD BacktrackClassDef;
+ WORD InputClassDef;
+ WORD LookaheadClassDef;
+ WORD ChainSubClassSetCnt;
+ WORD ChainSubClassSet[1];
+}GSUB_ChainContextSubstFormat2;
+
+typedef struct {
+ WORD ChainSubClassRuleCnt;
+ WORD ChainSubClassRule[1];
+}GSUB_ChainSubClassSet;
+
+typedef struct {
+ WORD BacktrackGlyphCount;
+ WORD Backtrack[1];
+}GSUB_ChainSubClassRule_1;
+
+typedef struct {
+ WORD InputGlyphCount;
+ WORD Input[1];
+}GSUB_ChainSubClassRule_2;
+
+typedef struct {
+ WORD LookaheadGlyphCount;
+ WORD LookAhead[1];
+}GSUB_ChainSubClassRule_3;
+
+typedef struct {
+ WORD SubstCount;
+ GSUB_SubstLookupRecord SubstLookupRecord[1];
+}GSUB_ChainSubClassRule_4;
+
typedef struct {
WORD SubstFormat; /* = 3 */
WORD BacktrackGlyphCount;
WORD Alternate[1];
} GSUB_AlternateSet;
+typedef struct {
+ WORD SubstFormat;
+ WORD ExtensionLookupType;
+ DWORD ExtensionOffset;
+} GSUB_ExtensionPosFormat1;
+
/* These are all structures needed for the GPOS table */
typedef struct {
WORD LookupListIndex;
} GPOS_PosLookupRecord;
+typedef struct {
+ WORD PosFormat;
+ WORD Coverage;
+ WORD ClassDef;
+ WORD PosClassSetCnt;
+ WORD PosClassSet[1];
+} GPOS_ContextPosFormat2;
+
+typedef struct {
+ WORD PosClassRuleCnt;
+ WORD PosClassRule[1];
+} GPOS_PosClassSet;
+
+typedef struct {
+ WORD GlyphCount;
+ WORD PosCount;
+ WORD Class[1];
+} GPOS_PosClassRule_1;
+
+typedef struct {
+ GPOS_PosLookupRecord PosLookupRecord[1];
+} GPOS_PosClassRule_2;
+
typedef struct {
WORD PosFormat;
WORD BacktrackGlyphCount;
length = GetFontData(hdc, CMAP_TAG , 0, NULL, 0);
if (length != GDI_ERROR)
{
- psc->CMAP_Table = HeapAlloc(GetProcessHeap(),0,length);
+ psc->CMAP_Table = heap_alloc(length);
GetFontData(hdc, CMAP_TAG , 0, psc->CMAP_Table, length);
TRACE("Loaded cmap table of %i bytes\n",length);
}
return 0;
}
-DWORD OpenType_CMAP_GetGlyphIndex(HDC hdc, ScriptCache *psc, DWORD utf32c, LPWORD pgi, DWORD flags)
+DWORD OpenType_CMAP_GetGlyphIndex(HDC hdc, ScriptCache *psc, DWORD utf32c, WORD *glyph_index, DWORD flags)
{
/* BMP: use gdi32 for ease */
if (utf32c < 0x10000)
{
WCHAR ch = utf32c;
- return GetGlyphIndicesW(hdc,&ch, 1, pgi, flags);
+ return GetGlyphIndicesW(hdc, &ch, 1, glyph_index, flags);
}
if (!psc->CMAP_format12_Table)
psc->CMAP_format12_Table = load_CMAP_format12_table(hdc, psc);
if (flags & GGI_MARK_NONEXISTING_GLYPHS)
- *pgi = 0xffff;
+ *glyph_index = 0xffffu;
else
- *pgi = 0;
+ *glyph_index = 0u;
if (psc->CMAP_format12_Table)
{
if (group)
{
DWORD offset = utf32c - GET_BE_DWORD(group->startCharCode);
- *pgi = GET_BE_DWORD(group->startGlyphID) + offset;
+ *glyph_index = GET_BE_DWORD(group->startGlyphID) + offset;
return 0;
}
}
**********/
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)
+static int GSUB_is_glyph_covered(const void *table, unsigned int glyph)
{
const OT_CoverageFormat1* cf1;
return -1;
}
+static const BYTE *GSUB_get_subtable(const OT_LookupTable *look, int index)
+{
+ int offset = GET_BE_WORD(look->SubTable[index]);
+
+ if (GET_BE_WORD(look->LookupType) == GSUB_LOOKUP_EXTENSION)
+ {
+ const GSUB_ExtensionPosFormat1 *ext = (const GSUB_ExtensionPosFormat1 *)((const BYTE *)look + offset);
+ if (GET_BE_WORD(ext->SubstFormat) == 1)
+ {
+ offset += GET_BE_DWORD(ext->ExtensionOffset);
+ }
+ else
+ {
+ FIXME("Unhandled Extension Substitution Format %i\n",GET_BE_WORD(ext->SubstFormat));
+ }
+ }
+ return (const BYTE *)look + offset;
+}
+
static INT GSUB_apply_SingleSubst(const OT_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
{
int j;
for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
{
- int offset;
- const GSUB_SingleSubstFormat1 *ssf1;
- offset = GET_BE_WORD(look->SubTable[j]);
- ssf1 = (const GSUB_SingleSubstFormat1*)((const BYTE*)look+offset);
+ const GSUB_SingleSubstFormat1 *ssf1 = (const GSUB_SingleSubstFormat1*)GSUB_get_subtable(look, j);
if (GET_BE_WORD(ssf1->SubstFormat) == 1)
{
int offset = GET_BE_WORD(ssf1->Coverage);
{
int offset, index;
const GSUB_MultipleSubstFormat1 *msf1;
- offset = GET_BE_WORD(look->SubTable[j]);
- msf1 = (const GSUB_MultipleSubstFormat1*)((const BYTE*)look+offset);
+ msf1 = (const GSUB_MultipleSubstFormat1*)GSUB_get_subtable(look, j);
offset = GET_BE_WORD(msf1->Coverage);
index = GSUB_is_glyph_covered((const BYTE*)msf1+offset, glyphs[glyph_index]);
TRACE("\n");
}
- return glyph_index + (sub_count * write_dir);
+ if (write_dir > 0)
+ return glyph_index + sub_count;
+ else
+ return glyph_index - 1;
}
}
return GSUB_E_NOGLYPH;
const GSUB_AlternateSubstFormat1 *asf1;
INT index;
- offset = GET_BE_WORD(look->SubTable[j]);
- asf1 = (const GSUB_AlternateSubstFormat1*)((const BYTE*)look+offset);
+ asf1 = (const GSUB_AlternateSubstFormat1*)GSUB_get_subtable(look, j);
offset = GET_BE_WORD(asf1->Coverage);
index = GSUB_is_glyph_covered((const BYTE*)asf1+offset, glyphs[glyph_index]);
const GSUB_LigatureSubstFormat1 *lsf1;
int offset,index;
- offset = GET_BE_WORD(look->SubTable[j]);
- lsf1 = (const GSUB_LigatureSubstFormat1*)((const BYTE*)look+offset);
+ lsf1 = (const GSUB_LigatureSubstFormat1*)GSUB_get_subtable(look, j);
offset = GET_BE_WORD(lsf1->Coverage);
index = GSUB_is_glyph_covered((const BYTE*)lsf1+offset, glyphs[glyph_index]);
TRACE(" Coverage index %i\n",index);
TRACE("0x%x\n",glyphs[replaceIdx]);
if (CompCount > 0)
{
- int j;
- for (j = replaceIdx + 1; j < *glyph_count; j++)
- glyphs[j] =glyphs[j+CompCount];
+ unsigned int j = replaceIdx + 1;
+ memmove(&glyphs[j], &glyphs[j + CompCount], (*glyph_count - j) * sizeof(*glyphs));
*glyph_count = *glyph_count - CompCount;
}
return replaceIdx + write_dir;
return GSUB_E_NOGLYPH;
}
+static INT GSUB_apply_ContextSubst(const OT_LookupList* lookup, const OT_LookupTable *look, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+{
+ int j;
+ TRACE("Context Substitution Subtable\n");
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
+ {
+ const GSUB_ContextSubstFormat1 *csf1;
+
+ csf1 = (const GSUB_ContextSubstFormat1*)GSUB_get_subtable(look, j);
+ if (GET_BE_WORD(csf1->SubstFormat) == 1)
+ {
+ int offset, index;
+ TRACE("Context Substitution Subtable: Class 1\n");
+ offset = GET_BE_WORD(csf1->Coverage);
+ index = GSUB_is_glyph_covered((const BYTE*)csf1+offset, glyphs[glyph_index]);
+ TRACE(" Coverage index %i\n",index);
+ if (index != -1)
+ {
+ int k, count;
+ const GSUB_SubRuleSet *srs;
+ offset = GET_BE_WORD(csf1->SubRuleSet[index]);
+ srs = (const GSUB_SubRuleSet*)((const BYTE*)csf1+offset);
+ count = GET_BE_WORD(srs->SubRuleCount);
+ TRACE(" SubRuleSet has %i members\n",count);
+ for (k = 0; k < count; k++)
+ {
+ const GSUB_SubRule_1 *sr;
+ const GSUB_SubRule_2 *sr_2;
+ unsigned int g;
+ int g_count, l;
+ int newIndex = glyph_index;
+
+ offset = GET_BE_WORD(srs->SubRule[k]);
+ sr = (const GSUB_SubRule_1*)((const BYTE*)srs+offset);
+ g_count = GET_BE_WORD(sr->GlyphCount);
+ TRACE(" SubRule has %i glyphs\n",g_count);
+
+ g = glyph_index + write_dir * (g_count - 1);
+ if (g >= *glyph_count)
+ continue;
+
+ for (l = 0; l < g_count-1; l++)
+ if (glyphs[glyph_index + (write_dir * (l+1))] != GET_BE_WORD(sr->Input[l])) break;
+
+ if (l < g_count-1)
+ {
+ TRACE(" Rule does not match\n");
+ continue;
+ }
+
+ TRACE(" Rule matches\n");
+ sr_2 = (const GSUB_SubRule_2 *)&sr->Input[g_count - 1];
+
+ for (l = 0; l < GET_BE_WORD(sr->SubstCount); l++)
+ {
+ unsigned int lookup_index = GET_BE_WORD(sr_2->SubstLookupRecord[l].LookupListIndex);
+ unsigned int sequence_index = GET_BE_WORD(sr_2->SubstLookupRecord[l].SequenceIndex);
+
+ g = glyph_index + write_dir * sequence_index;
+ if (g >= *glyph_count)
+ {
+ WARN("Invalid sequence index %u (glyph index %u, write dir %d).\n",
+ sequence_index, glyph_index, write_dir);
+ continue;
+ }
+
+ TRACE(" SUBST: %u -> %u %u.\n", l, sequence_index, lookup_index);
+ newIndex = GSUB_apply_lookup(lookup, lookup_index, glyphs, g, write_dir, glyph_count);
+ if (newIndex == GSUB_E_NOGLYPH)
+ {
+ ERR(" Chain failed to generate a glyph\n");
+ continue;
+ }
+ }
+ return newIndex;
+ }
+ }
+ }
+ else if (GET_BE_WORD(csf1->SubstFormat) == 2)
+ {
+ const GSUB_ContextSubstFormat2 *csf2;
+ const void *glyph_class_table;
+ int offset, index;
+
+ csf2 = (const GSUB_ContextSubstFormat2*)csf1;
+ TRACE("Context Substitution Subtable: Class 2\n");
+ offset = GET_BE_WORD(csf2->Coverage);
+ index = GSUB_is_glyph_covered((const BYTE*)csf2+offset, glyphs[glyph_index]);
+ TRACE(" Coverage index %i\n",index);
+ if (index != -1)
+ {
+ int k, count, class;
+ const GSUB_SubClassSet *scs;
+
+ offset = GET_BE_WORD(csf2->ClassDef);
+ glyph_class_table = (const BYTE *)csf2 + offset;
+
+ class = OT_get_glyph_class(glyph_class_table,glyphs[glyph_index]);
+
+ offset = GET_BE_WORD(csf2->SubClassSet[class]);
+ if (offset == 0)
+ {
+ TRACE(" No class rule table for class %i\n",class);
+ continue;
+ }
+ scs = (const GSUB_SubClassSet*)((const BYTE*)csf2+offset);
+ count = GET_BE_WORD(scs->SubClassRuleCnt);
+ TRACE(" SubClassSet has %i members\n",count);
+ for (k = 0; k < count; k++)
+ {
+ const GSUB_SubClassRule_1 *sr;
+ const GSUB_SubClassRule_2 *sr_2;
+ unsigned int g;
+ int g_count, l;
+ int newIndex = glyph_index;
+
+ offset = GET_BE_WORD(scs->SubClassRule[k]);
+ sr = (const GSUB_SubClassRule_1*)((const BYTE*)scs+offset);
+ g_count = GET_BE_WORD(sr->GlyphCount);
+ TRACE(" SubClassRule has %i glyphs classes\n",g_count);
+
+ g = glyph_index + write_dir * (g_count - 1);
+ if (g >= *glyph_count)
+ continue;
+
+ for (l = 0; l < g_count-1; l++)
+ {
+ int g_class = OT_get_glyph_class(glyph_class_table, glyphs[glyph_index + (write_dir * (l+1))]);
+ if (g_class != GET_BE_WORD(sr->Class[l])) break;
+ }
+
+ if (l < g_count-1)
+ {
+ TRACE(" Rule does not match\n");
+ continue;
+ }
+
+ TRACE(" Rule matches\n");
+ sr_2 = (const GSUB_SubClassRule_2 *)&sr->Class[g_count - 1];
+
+ for (l = 0; l < GET_BE_WORD(sr->SubstCount); l++)
+ {
+ unsigned int lookup_index = GET_BE_WORD(sr_2->SubstLookupRecord[l].LookupListIndex);
+ unsigned int sequence_index = GET_BE_WORD(sr_2->SubstLookupRecord[l].SequenceIndex);
+
+ g = glyph_index + write_dir * sequence_index;
+ if (g >= *glyph_count)
+ {
+ WARN("Invalid sequence index %u (glyph index %u, write dir %d).\n",
+ sequence_index, glyph_index, write_dir);
+ continue;
+ }
+
+ TRACE(" SUBST: %u -> %u %u.\n", l, sequence_index, lookup_index);
+ newIndex = GSUB_apply_lookup(lookup, lookup_index, glyphs, g, write_dir, glyph_count);
+ if (newIndex == GSUB_E_NOGLYPH)
+ {
+ ERR(" Chain failed to generate a glyph\n");
+ continue;
+ }
+ }
+ return newIndex;
+ }
+ }
+ }
+ else
+ FIXME("Unhandled Context Substitution Format %i\n", GET_BE_WORD(csf1->SubstFormat));
+ }
+ return GSUB_E_NOGLYPH;
+}
+
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;
TRACE("Chaining Contextual Substitution Subtable\n");
- for (j = 0; j < GET_BE_WORD(look->SubTableCount) && !done; j++)
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
{
const GSUB_ChainContextSubstFormat1 *ccsf1;
int offset;
int dirLookahead = write_dir;
int dirBacktrack = -1 * write_dir;
- offset = GET_BE_WORD(look->SubTable[j]);
- ccsf1 = (const GSUB_ChainContextSubstFormat1*)((const BYTE*)look+offset);
+ ccsf1 = (const GSUB_ChainContextSubstFormat1*)GSUB_get_subtable(look, j);
if (GET_BE_WORD(ccsf1->SubstFormat) == 1)
{
- FIXME(" TODO: subtype 1 (Simple context glyph substitution)\n");
+ static int once;
+ if (!once++)
+ FIXME(" TODO: subtype 1 (Simple context glyph substitution)\n");
continue;
}
else if (GET_BE_WORD(ccsf1->SubstFormat) == 2)
{
-#ifndef __REACTOS__
- FIXME(" TODO: subtype 2 (Class-based Chaining Context Glyph Substitution)\n");
-#endif
- continue;
+ WORD offset, count;
+ const void *backtrack_class_table;
+ const void *input_class_table;
+ const void *lookahead_class_table;
+ int i;
+ WORD class;
+
+ const GSUB_ChainContextSubstFormat2 *ccsf2 = (const GSUB_ChainContextSubstFormat2*)ccsf1;
+ const GSUB_ChainSubClassSet *csc;
+
+ TRACE(" subtype 2 (Class-based Chaining Context Glyph Substitution)\n");
+
+ offset = GET_BE_WORD(ccsf2->Coverage);
+
+ if (GSUB_is_glyph_covered((const BYTE*)ccsf2+offset, glyphs[glyph_index]) == -1)
+ {
+ TRACE("Glyph not covered\n");
+ continue;
+ }
+ offset = GET_BE_WORD(ccsf2->BacktrackClassDef);
+ backtrack_class_table = (const BYTE*)ccsf2+offset;
+ offset = GET_BE_WORD(ccsf2->InputClassDef);
+ input_class_table = (const BYTE*)ccsf2+offset;
+ offset = GET_BE_WORD(ccsf2->LookaheadClassDef);
+ lookahead_class_table = (const BYTE*)ccsf2+offset;
+ count = GET_BE_WORD(ccsf2->ChainSubClassSetCnt);
+
+ class = OT_get_glyph_class(input_class_table, glyphs[glyph_index]);
+ offset = GET_BE_WORD(ccsf2->ChainSubClassSet[class]);
+
+ if (offset == 0)
+ {
+ TRACE("No rules for class\n");
+ continue;
+ }
+
+ csc = (const GSUB_ChainSubClassSet*)((BYTE*)ccsf2+offset);
+ count = GET_BE_WORD(csc->ChainSubClassRuleCnt);
+
+ TRACE("%i rules to check\n",count);
+
+ for (i = 0; i < count; i++)
+ {
+ WORD backtrack_count, input_count, lookahead_count, substitute_count;
+ int k;
+ const GSUB_ChainSubClassRule_1 *backtrack;
+ const GSUB_ChainSubClassRule_2 *input;
+ const GSUB_ChainSubClassRule_3 *lookahead;
+ const GSUB_ChainSubClassRule_4 *substitute;
+ int new_index = GSUB_E_NOGLYPH;
+
+ offset = GET_BE_WORD(csc->ChainSubClassRule[i]);
+ backtrack = (const GSUB_ChainSubClassRule_1 *)((BYTE *)csc + offset);
+ backtrack_count = GET_BE_WORD(backtrack->BacktrackGlyphCount);
+ k = glyph_index + dirBacktrack * backtrack_count;
+ if (k < 0 || k >= *glyph_count)
+ continue;
+
+ input = (const GSUB_ChainSubClassRule_2 *)&backtrack->Backtrack[backtrack_count];
+ input_count = GET_BE_WORD(input->InputGlyphCount) - 1;
+ k = glyph_index + write_dir * input_count;
+ if (k < 0 || k >= *glyph_count)
+ continue;
+
+ lookahead = (const GSUB_ChainSubClassRule_3 *)&input->Input[input_count];
+ lookahead_count = GET_BE_WORD(lookahead->LookaheadGlyphCount);
+ k = glyph_index + dirLookahead * (input_count + lookahead_count);
+ if (k < 0 || k >= *glyph_count)
+ continue;
+
+ substitute = (const GSUB_ChainSubClassRule_4 *)&lookahead->LookAhead[lookahead_count];
+
+ for (k = 0; k < backtrack_count; ++k)
+ {
+ WORD target_class = GET_BE_WORD(backtrack->Backtrack[k]);
+ WORD glyph_class = OT_get_glyph_class(backtrack_class_table, glyphs[glyph_index + (dirBacktrack * (k+1))]);
+ if (target_class != glyph_class)
+ break;
+ }
+ if (k != backtrack_count)
+ continue;
+ TRACE("Matched Backtrack\n");
+
+ for (k = 0; k < input_count; ++k)
+ {
+ WORD target_class = GET_BE_WORD(input->Input[k]);
+ WORD glyph_class = OT_get_glyph_class(input_class_table, glyphs[glyph_index + (write_dir * (k+1))]);
+ if (target_class != glyph_class)
+ break;
+ }
+ if (k != input_count)
+ continue;
+ TRACE("Matched IndexGlyphs\n");
+
+ for (k = 0; k < lookahead_count; ++k)
+ {
+ WORD target_class = GET_BE_WORD(lookahead->LookAhead[k]);
+ WORD glyph_class = OT_get_glyph_class(lookahead_class_table,
+ glyphs[glyph_index + (dirLookahead * (input_count + k + 1))]);
+ if (target_class != glyph_class)
+ break;
+ }
+ if (k != lookahead_count)
+ continue;
+ TRACE("Matched LookAhead\n");
+
+ substitute_count = GET_BE_WORD(substitute->SubstCount);
+ for (k = 0; k < substitute_count; ++k)
+ {
+ unsigned int lookup_index = GET_BE_WORD(substitute->SubstLookupRecord[k].LookupListIndex);
+ unsigned int sequence_index = GET_BE_WORD(substitute->SubstLookupRecord[k].SequenceIndex);
+ unsigned int g = glyph_index + write_dir * sequence_index;
+
+ if (g >= *glyph_count)
+ {
+ WARN("Skipping invalid sequence index %u (glyph index %u, write dir %d).\n",
+ sequence_index, glyph_index, write_dir);
+ continue;
+ }
+
+ TRACE("SUBST: %u -> %u %u.\n", k, sequence_index, lookup_index);
+ new_index = GSUB_apply_lookup(lookup, lookup_index, glyphs, g, write_dir, glyph_count);
+ if (new_index == GSUB_E_NOGLYPH)
+ ERR("Chain failed to generate a glyph.\n");
+ }
+ return new_index;
+ }
}
else if (GET_BE_WORD(ccsf1->SubstFormat) == 3)
{
+ WORD backtrack_count, input_count, lookahead_count, substitution_count;
int k;
- int indexGlyphs;
- const GSUB_ChainContextSubstFormat3_1 *ccsf3_1;
- const GSUB_ChainContextSubstFormat3_2 *ccsf3_2;
- const GSUB_ChainContextSubstFormat3_3 *ccsf3_3;
- const GSUB_ChainContextSubstFormat3_4 *ccsf3_4;
- int newIndex = glyph_index;
-
- ccsf3_1 = (const GSUB_ChainContextSubstFormat3_1 *)ccsf1;
+ const GSUB_ChainContextSubstFormat3_1 *backtrack;
+ const GSUB_ChainContextSubstFormat3_2 *input;
+ const GSUB_ChainContextSubstFormat3_3 *lookahead;
+ const GSUB_ChainContextSubstFormat3_4 *substitute;
+ int new_index = GSUB_E_NOGLYPH;
TRACE(" subtype 3 (Coverage-based Chaining Context Glyph Substitution)\n");
- for (k = 0; k < GET_BE_WORD(ccsf3_1->BacktrackGlyphCount); k++)
+ backtrack = (const GSUB_ChainContextSubstFormat3_1 *)ccsf1;
+ backtrack_count = GET_BE_WORD(backtrack->BacktrackGlyphCount);
+ k = glyph_index + dirBacktrack * backtrack_count;
+ if (k < 0 || k >= *glyph_count)
+ continue;
+
+ input = (const GSUB_ChainContextSubstFormat3_2 *)&backtrack->Coverage[backtrack_count];
+ input_count = GET_BE_WORD(input->InputGlyphCount);
+ k = glyph_index + write_dir * (input_count - 1);
+ if (k < 0 || k >= *glyph_count)
+ continue;
+
+ lookahead = (const GSUB_ChainContextSubstFormat3_3 *)&input->Coverage[input_count];
+ lookahead_count = GET_BE_WORD(lookahead->LookaheadGlyphCount);
+ k = glyph_index + dirLookahead * (input_count + lookahead_count - 1);
+ if (k < 0 || k >= *glyph_count)
+ continue;
+
+ substitute = (const GSUB_ChainContextSubstFormat3_4 *)&lookahead->Coverage[lookahead_count];
+
+ for (k = 0; k < backtrack_count; ++k)
{
- offset = GET_BE_WORD(ccsf3_1->Coverage[k]);
- if (GSUB_is_glyph_covered((const BYTE*)ccsf3_1+offset, glyphs[glyph_index + (dirBacktrack * (k+1))]) == -1)
+ offset = GET_BE_WORD(backtrack->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE *)ccsf1 + offset,
+ glyphs[glyph_index + (dirBacktrack * (k + 1))]) == -1)
break;
}
- if (k != GET_BE_WORD(ccsf3_1->BacktrackGlyphCount))
+ if (k != backtrack_count)
continue;
TRACE("Matched Backtrack\n");
- 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++)
+ for (k = 0; k < input_count; ++k)
{
- offset = GET_BE_WORD(ccsf3_2->Coverage[k]);
- if (GSUB_is_glyph_covered((const BYTE*)ccsf3_1+offset, glyphs[glyph_index + (write_dir * k)]) == -1)
+ offset = GET_BE_WORD(input->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE *)ccsf1 + offset,
+ glyphs[glyph_index + (write_dir * k)]) == -1)
break;
}
- if (k != indexGlyphs)
+ if (k != input_count)
continue;
TRACE("Matched IndexGlyphs\n");
- 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++)
+ for (k = 0; k < lookahead_count; ++k)
{
- offset = GET_BE_WORD(ccsf3_3->Coverage[k]);
- if (GSUB_is_glyph_covered((const BYTE*)ccsf3_1+offset, glyphs[glyph_index + (dirLookahead * (indexGlyphs + k))]) == -1)
+ offset = GET_BE_WORD(lookahead->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE *)ccsf1 + offset,
+ glyphs[glyph_index + (dirLookahead * (input_count + k))]) == -1)
break;
}
- if (k != GET_BE_WORD(ccsf3_3->LookaheadGlyphCount))
+ if (k != lookahead_count)
continue;
TRACE("Matched LookAhead\n");
- 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))
+ substitution_count = GET_BE_WORD(substitute->SubstCount);
+ for (k = 0; k < substitution_count; ++k)
{
- for (k = 0; k < GET_BE_WORD(ccsf3_4->SubstCount); k++)
- {
- int lookupIndex = GET_BE_WORD(ccsf3_4->SubstLookupRecord[k].LookupListIndex);
- int SequenceIndex = GET_BE_WORD(ccsf3_4->SubstLookupRecord[k].SequenceIndex) * write_dir;
+ unsigned int lookup_index = GET_BE_WORD(substitute->SubstLookupRecord[k].LookupListIndex);
+ unsigned int sequence_index = GET_BE_WORD(substitute->SubstLookupRecord[k].SequenceIndex);
+ unsigned int g = glyph_index + write_dir * sequence_index;
- TRACE("SUBST: %i -> %i %i\n",k, SequenceIndex, lookupIndex);
- newIndex = GSUB_apply_lookup(lookup, lookupIndex, glyphs, glyph_index + SequenceIndex, write_dir, glyph_count);
- if (newIndex == -1)
- {
- ERR("Chain failed to generate a glyph\n");
- continue;
- }
+ if (g >= *glyph_count)
+ {
+ WARN("Skipping invalid sequence index %u (glyph index %u, write dir %d).\n",
+ sequence_index, glyph_index, write_dir);
+ continue;
}
- return newIndex;
+
+ TRACE("SUBST: %u -> %u %u.\n", k, sequence_index, lookup_index);
+ new_index = GSUB_apply_lookup(lookup, lookup_index, glyphs, g, write_dir, glyph_count);
+ if (new_index == GSUB_E_NOGLYPH)
+ ERR("Chain failed to generate a glyph.\n");
}
- else return GSUB_E_NOGLYPH;
+ return new_index;
}
}
- return -1;
+ return GSUB_E_NOGLYPH;
}
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;
+ enum gsub_lookup_type type;
const OT_LookupTable *look;
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 %#x, flag %#x, subtables %u.\n", type,
+ GET_BE_WORD(look->LookupFlag),GET_BE_WORD(look->SubTableCount));
+
+ if (type == GSUB_LOOKUP_EXTENSION)
{
- case 1:
+ if (GET_BE_WORD(look->SubTableCount))
+ {
+ const GSUB_ExtensionPosFormat1 *ext = (const GSUB_ExtensionPosFormat1 *)((const BYTE *)look + GET_BE_WORD(look->SubTable[0]));
+ if (GET_BE_WORD(ext->SubstFormat) == 1)
+ {
+ type = GET_BE_WORD(ext->ExtensionLookupType);
+ TRACE("extension type %i\n",type);
+ }
+ else
+ {
+ FIXME("Unhandled Extension Substitution Format %i\n",GET_BE_WORD(ext->SubstFormat));
+ }
+ }
+ else
+ {
+ WARN("lookup type is Extension Substitution but no extension subtable exists\n");
+ }
+ }
+ switch(type)
+ {
+ case GSUB_LOOKUP_SINGLE:
return GSUB_apply_SingleSubst(look, glyphs, glyph_index, write_dir, glyph_count);
- case 2:
+ case GSUB_LOOKUP_MULTIPLE:
return GSUB_apply_MultipleSubst(look, glyphs, glyph_index, write_dir, glyph_count);
- case 3:
+ case GSUB_LOOKUP_ALTERNATE:
return GSUB_apply_AlternateSubst(look, glyphs, glyph_index, write_dir, glyph_count);
- case 4:
+ case GSUB_LOOKUP_LIGATURE:
return GSUB_apply_LigatureSubst(look, glyphs, glyph_index, write_dir, glyph_count);
- case 6:
+ case GSUB_LOOKUP_CONTEXT:
+ return GSUB_apply_ContextSubst(lookup, look, glyphs, glyph_index, write_dir, glyph_count);
+ case GSUB_LOOKUP_CONTEXT_CHAINED:
return GSUB_apply_ChainContextSubst(lookup, look, glyphs, glyph_index, write_dir, glyph_count);
+ case GSUB_LOOKUP_EXTENSION:
+ FIXME("Extension Substitution types not valid here\n");
+ break;
default:
- FIXME("We do not handle SubType %i\n",GET_BE_WORD(look->LookupType));
+ FIXME("Unhandled GSUB lookup type %#x.\n", type);
}
return GSUB_E_NOGLYPH;
}
-INT OpenType_apply_GSUB_lookup(LPCVOID table, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count)
+int OpenType_apply_GSUB_lookup(const void *table, unsigned int lookup_index, WORD *glyphs,
+ unsigned int glyph_index, int write_dir, int *glyph_count)
{
const GSUB_Header *header = (const GSUB_Header *)table;
const OT_LookupList *lookup = (const OT_LookupList*)((const BYTE*)header + GET_BE_WORD(header->LookupList));
/**********
* 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 unsigned int GPOS_apply_lookup(const ScriptCache *script_cache, const OUTLINETEXTMETRICW *otm,
+ const LOGFONTW *logfont, const SCRIPT_ANALYSIS *analysis, int *advance, const OT_LookupList *lookup,
+ unsigned int lookup_index, const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count,
+ GOFFSET *goffset);
static INT GPOS_get_device_table_value(const OT_DeviceTable *DeviceTable, WORD ppem)
{
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);
+ WORD 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);
+
+ TRACE("device table, format %#x, index %i\n", format, index);
+
+ if (format < 1 || format > 3)
+ {
+ WARN("invalid delta format %#x\n", format);
+ return 0;
+ }
+
index = index << format;
value = (DeviceTable->DeltaValue[index/sizeof(WORD)] << (index%sizeof(WORD)))&mask[format-1];
TRACE("offset %i, value %i\n",index, value);
return 0;
}
-static VOID GPOS_get_anchor_values(LPCVOID table, LPPOINT pt, WORD ppem)
+static void GPOS_get_anchor_values(const void *table, POINT *pt, WORD ppem)
{
const GPOS_AnchorFormat1* anchor1 = (const GPOS_AnchorFormat1*)table;
}
}
-static void GPOS_convert_design_units_to_device(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, int desX, int desY, double *devX, double *devY)
+static void GPOS_convert_design_units_to_device(const OUTLINETEXTMETRICW *otm, const LOGFONTW *logfont,
+ int desX, int desY, double *devX, double *devY)
{
- int emHeight = lpotm->otmTextMetrics.tmAscent + lpotm->otmTextMetrics.tmDescent - lpotm->otmTextMetrics.tmInternalLeading;
+ int emHeight = otm->otmTextMetrics.tmAscent + otm->otmTextMetrics.tmDescent - otm->otmTextMetrics.tmInternalLeading;
- 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");
+ TRACE("emHeight %i lfWidth %i\n",emHeight, logfont->lfWidth);
+ *devX = (desX * emHeight) / (double)otm->otmEMSquare;
+ *devY = (desY * emHeight) / (double)otm->otmEMSquare;
+ if (logfont->lfWidth)
+ FIXME("Font with lfWidth set not handled properly.\n");
}
static INT GPOS_get_value_record(WORD ValueFormat, const WORD data[], GPOS_ValueRecord *record)
return offset;
}
-static VOID GPOS_get_value_record_offsets(const BYTE* head, GPOS_ValueRecord *ValueRecord, WORD ValueFormat, INT ppem, LPPOINT ptPlacement, LPPOINT ptAdvance)
+static void GPOS_get_value_record_offsets(const BYTE *head, GPOS_ValueRecord *ValueRecord,
+ WORD ValueFormat, unsigned int ppem, POINT *ptPlacement, POINT *ptAdvance)
{
if (ValueFormat & 0x0001) ptPlacement->x += (short)ValueRecord->XPlacement;
if (ValueFormat & 0x0002) ptPlacement->y += (short)ValueRecord->YPlacement;
{
int offset = GET_BE_WORD(look->SubTable[index]);
- if (GET_BE_WORD(look->LookupType) == 9)
+ if (GET_BE_WORD(look->LookupType) == GPOS_LOOKUP_POSITION_EXTENSION)
{
const GPOS_ExtensionPosFormat1 *ext = (const GPOS_ExtensionPosFormat1 *)((const BYTE *)look + offset);
if (GET_BE_WORD(ext->PosFormat) == 1)
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)
+static void GPOS_apply_SingleAdjustment(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis,
+ const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count, unsigned int ppem,
+ POINT *adjust, POINT *advance)
{
int j;
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);
+ GPOS_get_value_record_offsets((const BYTE *)spf1, &ValueRecord, ValueFormat, ppem, adjust, advance);
TRACE("Glyph Adjusted by %i,%i\n",ValueRecord.XPlacement,ValueRecord.YPlacement);
}
}
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);
+ GPOS_get_value_record_offsets((const BYTE *)spf2, &ValueRecord, ValueFormat, ppem, adjust, advance);
TRACE("Glyph Adjusted by %i,%i\n",ValueRecord.XPlacement,ValueRecord.YPlacement);
}
}
if (val_fmt1)
{
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 );
+ TRACE( "Glyph 1 resulting cumulative offset is %s design units\n", wine_dbgstr_point(&adjust[0]) );
+ TRACE( "Glyph 1 resulting cumulative advance is %s design units\n", wine_dbgstr_point(&advance[0]) );
}
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 );
+ TRACE( "Glyph 2 resulting cumulative offset is %s design units\n", wine_dbgstr_point(&adjust[1]) );
+ TRACE( "Glyph 2 resulting cumulative advance is %s design units\n", wine_dbgstr_point(&advance[1]) );
}
}
-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)
+static int GPOS_apply_PairAdjustment(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis,
+ const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count, unsigned int ppem,
+ POINT *adjust, POINT *advance)
{
int j;
int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
- if (glyph_index + write_dir < 0 || glyph_index + write_dir >= glyph_count) return glyph_index + 1;
+ if (glyph_index + write_dir >= glyph_count)
+ return 1;
TRACE("Pair Adjustment Positioning Subtable\n");
{
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 );
+ apply_pair_value(ppf1, ValueFormat1, ValueFormat2,
+ pair_val_rec->Value1, ppem, adjust, advance);
if (ValueFormat2) next++;
- return glyph_index + next;
+ return next;
}
pair_val_rec = (const GPOS_PairValueRecord *)(pair_val_rec->Value1 + val_fmt1_size + val_fmt2_size);
}
TRACE( "Format 2: Found Pair %x,%x\n", glyphs[glyph_index], glyphs[glyph_index + write_dir] );
- apply_pair_value( ppf2, ValueFormat1, ValueFormat2, pair_val, ppem, ptAdjust, ptAdvance );
+ apply_pair_value(ppf2, ValueFormat1, ValueFormat2, pair_val, ppem, adjust, advance);
if (ValueFormat2) next++;
- return glyph_index + next;
+ return next;
}
}
}
else
FIXME("Pair Adjustment Positioning: Format %i Unhandled\n",GET_BE_WORD(ppf1->PosFormat));
}
- return glyph_index+1;
+ return 1;
}
-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)
+static void GPOS_apply_CursiveAttachment(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis,
+ const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count, unsigned int ppem, POINT *pt)
{
int j;
int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
- if (glyph_index + write_dir < 0 || glyph_index + write_dir >= glyph_count) return;
+ if (glyph_index + write_dir >= glyph_count)
+ return;
TRACE("Cursive Attachment Positioning Subtable\n");
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);
+ TRACE("Found linkage %x[%s] %x[%s]\n",glyphs[glyph_index], wine_dbgstr_point(&exit_pt), glyphs[glyph_index+write_dir], wine_dbgstr_point(&entry_pt));
pt->x = entry_pt.x - exit_pt.x;
pt->y = entry_pt.y - exit_pt.y;
return;
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)
+static int GPOS_apply_MarkToBase(const ScriptCache *script_cache, const OT_LookupTable *look,
+ const SCRIPT_ANALYSIS *analysis, const WORD *glyphs, unsigned int glyph_index,
+ unsigned int glyph_count, unsigned int ppem, POINT *pt)
{
int j;
int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
- void *glyph_class_table = NULL;
+ const void *glyph_class_table = NULL;
int rc = -1;
- if (psc->GDEF_Table)
+ if (script_cache->GDEF_Table)
{
- const GDEF_Header *header = psc->GDEF_Table;
+ const GDEF_Header *header = script_cache->GDEF_Table;
WORD offset = GET_BE_WORD( header->GlyphClassDef );
if (offset)
- glyph_class_table = (BYTE *)psc->GDEF_Table + offset;
+ glyph_class_table = (const BYTE *)script_cache->GDEF_Table + offset;
}
TRACE("MarkToBase Attachment Positioning Subtable\n");
ma = (const GPOS_MarkArray*)((const BYTE*)mbpf1 + offset);
if (mark_index > GET_BE_WORD(ma->MarkCount))
{
- ERR("Mark index exeeded mark count\n");
+ ERR("Mark index exceeded mark count\n");
return -1;
}
mr = &ma->MarkRecord[mark_index];
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);
+ TRACE("Offset on base is %s design units\n",wine_dbgstr_point(&base_pt));
+ TRACE("Offset on mark is %s design units\n",wine_dbgstr_point(&mark_pt));
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);
+ TRACE("Resulting cumulative offset is %s design units\n",wine_dbgstr_point(pt));
rc = base_glyph;
}
}
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)
+static void GPOS_apply_MarkToLigature(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis,
+ const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count, unsigned int ppem, POINT *pt)
{
int j;
int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
ma = (const GPOS_MarkArray*)((const BYTE*)mlpf1 + offset);
if (mark_index > GET_BE_WORD(ma->MarkCount))
{
- ERR("Mark index exeeded mark count\n");
+ ERR("Mark index exceeded mark count\n");
return;
}
mr = &ma->MarkRecord[mark_index];
la = (const GPOS_LigatureArray*)((const BYTE*)mlpf1 + offset);
if (ligature_index > GET_BE_WORD(la->LigatureCount))
{
- ERR("Ligature index exeeded ligature count\n");
+ ERR("Ligature index exceeded ligature count\n");
return;
}
offset = GET_BE_WORD(la->LigatureAttach[ligature_index]);
}
if (!offset)
{
- ERR("Failed to find avalible ligature connection point\n");
+ ERR("Failed to find available 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);
+ TRACE("Offset on ligature is %s design units\n",wine_dbgstr_point(&ligature_pt));
+ TRACE("Offset on mark is %s design units\n",wine_dbgstr_point(&mark_pt));
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);
+ TRACE("Resulting cumulative offset is %s design units\n",wine_dbgstr_point(pt));
}
}
}
}
}
-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)
+static BOOL GPOS_apply_MarkToMark(const OT_LookupTable *look, const SCRIPT_ANALYSIS *analysis,
+ const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count, unsigned int ppem, POINT *pt)
{
int j;
BOOL rc = FALSE;
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);
+ TRACE("Offset on mark2 is %s design units\n",wine_dbgstr_point(&mark2_pt));
+ TRACE("Offset on mark is %s design units\n",wine_dbgstr_point(&mark_pt));
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);
+ TRACE("Resulting cumulative offset is %s design units\n",wine_dbgstr_point(pt));
rc = TRUE;
}
}
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)
+static unsigned int GPOS_apply_ContextPos(const ScriptCache *script_cache, const OUTLINETEXTMETRICW *otm,
+ const LOGFONTW *logfont, const SCRIPT_ANALYSIS *analysis, int *advance, const OT_LookupList *lookup,
+ const OT_LookupTable *look, const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count,
+ GOFFSET *goffset)
+{
+ int j;
+ int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
+
+ TRACE("Contextual Positioning Subtable\n");
+
+ for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
+ {
+ const GPOS_ContextPosFormat2 *cpf2 = (GPOS_ContextPosFormat2*)GPOS_get_subtable(look, j);
+
+ if (GET_BE_WORD(cpf2->PosFormat) == 1)
+ {
+ static int once;
+ if (!once++)
+ FIXME(" TODO: subtype 1\n");
+ continue;
+ }
+ else if (GET_BE_WORD(cpf2->PosFormat) == 2)
+ {
+ WORD offset = GET_BE_WORD(cpf2->Coverage);
+ int index;
+
+ TRACE("Contextual Positioning Subtable: Format 2\n");
+
+ index = GSUB_is_glyph_covered((const BYTE*)cpf2+offset, glyphs[glyph_index]);
+ TRACE("Coverage index %i\n",index);
+ if (index != -1)
+ {
+ int k, count, class;
+ const GPOS_PosClassSet *pcs;
+ const void *glyph_class_table = NULL;
+
+ offset = GET_BE_WORD(cpf2->ClassDef);
+ glyph_class_table = (const BYTE *)cpf2 + offset;
+
+ class = OT_get_glyph_class(glyph_class_table,glyphs[glyph_index]);
+
+ offset = GET_BE_WORD(cpf2->PosClassSet[class]);
+ if (offset == 0)
+ {
+ TRACE("No class rule table for class %i\n",class);
+ continue;
+ }
+ pcs = (const GPOS_PosClassSet*)((const BYTE*)cpf2+offset);
+ count = GET_BE_WORD(pcs->PosClassRuleCnt);
+ TRACE("PosClassSet has %i members\n",count);
+ for (k = 0; k < count; k++)
+ {
+ const GPOS_PosClassRule_1 *pr;
+ const GPOS_PosClassRule_2 *pr_2;
+ unsigned int g;
+ int g_count, l;
+
+ offset = GET_BE_WORD(pcs->PosClassRule[k]);
+ pr = (const GPOS_PosClassRule_1*)((const BYTE*)pcs+offset);
+ g_count = GET_BE_WORD(pr->GlyphCount);
+ TRACE("PosClassRule has %i glyphs classes\n",g_count);
+
+ g = glyph_index + write_dir * (g_count - 1);
+ if (g >= glyph_count)
+ continue;
+
+ for (l = 0; l < g_count-1; l++)
+ {
+ int g_class = OT_get_glyph_class(glyph_class_table, glyphs[glyph_index + (write_dir * (l+1))]);
+ if (g_class != GET_BE_WORD(pr->Class[l])) break;
+ }
+
+ if (l < g_count-1)
+ {
+ TRACE("Rule does not match\n");
+ continue;
+ }
+
+ TRACE("Rule matches\n");
+ pr_2 = (const GPOS_PosClassRule_2 *)&pr->Class[g_count - 1];
+
+ for (l = 0; l < GET_BE_WORD(pr->PosCount); l++)
+ {
+ unsigned int lookup_index = GET_BE_WORD(pr_2->PosLookupRecord[l].LookupListIndex);
+ unsigned int sequence_index = GET_BE_WORD(pr_2->PosLookupRecord[l].SequenceIndex);
+
+ g = glyph_index + write_dir * sequence_index;
+ if (g >= glyph_count)
+ {
+ WARN("Invalid sequence index %u (glyph index %u, write dir %d).\n",
+ sequence_index, glyph_index, write_dir);
+ continue;
+ }
+
+ TRACE("Position: %u -> %u %u.\n", l, sequence_index, lookup_index);
+
+ GPOS_apply_lookup(script_cache, otm, logfont, analysis, advance,
+ lookup, lookup_index, glyphs, g, glyph_count, goffset);
+ }
+ return 1;
+ }
+ }
+
+ TRACE("Not covered\n");
+ continue;
+ }
+ else if (GET_BE_WORD(cpf2->PosFormat) == 3)
+ {
+ static int once;
+ if (!once++)
+ FIXME(" TODO: subtype 3\n");
+ continue;
+ }
+ else
+ FIXME("Unhandled Contextual Positioning Format %i\n",GET_BE_WORD(cpf2->PosFormat));
+ }
+ return 1;
+}
+
+static unsigned int GPOS_apply_ChainContextPos(const ScriptCache *script_cache, const OUTLINETEXTMETRICW *otm,
+ const LOGFONTW *logfont, const SCRIPT_ANALYSIS *analysis, int *advance, const OT_LookupList *lookup,
+ const OT_LookupTable *look, const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count,
+ GOFFSET *goffset)
{
int j;
int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
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);
+ const GPOS_ChainContextPosFormat3_1 *backtrack = (GPOS_ChainContextPosFormat3_1 *)GPOS_get_subtable(look, j);
int dirLookahead = write_dir;
int dirBacktrack = -1 * write_dir;
- if (GET_BE_WORD(ccpf3->PosFormat) == 1)
+ if (GET_BE_WORD(backtrack->PosFormat) == 1)
{
- FIXME(" TODO: subtype 1 (Simple Chaining Context Glyph Positioning)\n");
+ static int once;
+ if (!once++)
+ FIXME(" TODO: subtype 1 (Simple Chaining Context Glyph Positioning)\n");
continue;
}
- else if (GET_BE_WORD(ccpf3->PosFormat) == 2)
+ else if (GET_BE_WORD(backtrack->PosFormat) == 2)
{
- FIXME(" TODO: subtype 2 (Class-based Chaining Context Glyph Positioning)\n");
+ static int once;
+ if (!once++)
+ FIXME(" TODO: subtype 2 (Class-based Chaining Context Glyph Positioning)\n");
continue;
}
- else if (GET_BE_WORD(ccpf3->PosFormat) == 3)
+ else if (GET_BE_WORD(backtrack->PosFormat) == 3)
{
+ WORD backtrack_count, input_count, lookahead_count, positioning_count;
int k;
- int indexGlyphs;
- const GPOS_ChainContextPosFormat3_2 *ccpf3_2;
- const GPOS_ChainContextPosFormat3_3 *ccpf3_3;
- const GPOS_ChainContextPosFormat3_4 *ccpf3_4;
+ const GPOS_ChainContextPosFormat3_2 *input;
+ const GPOS_ChainContextPosFormat3_3 *lookahead;
+ const GPOS_ChainContextPosFormat3_4 *positioning;
TRACE(" subtype 3 (Coverage-based Chaining Context Glyph Positioning)\n");
- for (k = 0; k < GET_BE_WORD(ccpf3->BacktrackGlyphCount); k++)
+ backtrack_count = GET_BE_WORD(backtrack->BacktrackGlyphCount);
+ k = glyph_index + dirBacktrack * backtrack_count;
+ if (k < 0 || k >= glyph_count)
+ continue;
+
+ input = (const GPOS_ChainContextPosFormat3_2 *)&backtrack->Coverage[backtrack_count];
+ input_count = GET_BE_WORD(input->InputGlyphCount);
+ k = glyph_index + write_dir * (input_count - 1);
+ if (k < 0 || k >= glyph_count)
+ continue;
+
+ lookahead = (const GPOS_ChainContextPosFormat3_3 *)&input->Coverage[input_count];
+ lookahead_count = GET_BE_WORD(lookahead->LookaheadGlyphCount);
+ k = glyph_index + dirLookahead * (input_count + lookahead_count - 1);
+ if (k < 0 || k >= glyph_count)
+ continue;
+
+ positioning = (const GPOS_ChainContextPosFormat3_4 *)&lookahead->Coverage[lookahead_count];
+
+ for (k = 0; k < backtrack_count; ++k)
{
- offset = GET_BE_WORD(ccpf3->Coverage[k]);
- if (GSUB_is_glyph_covered((const BYTE*)ccpf3+offset, glyphs[glyph_index + (dirBacktrack * (k+1))]) == -1)
+ offset = GET_BE_WORD(backtrack->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE *)backtrack + offset,
+ glyphs[glyph_index + (dirBacktrack * (k + 1))]) == -1)
break;
}
- if (k != GET_BE_WORD(ccpf3->BacktrackGlyphCount))
+ if (k != backtrack_count)
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++)
+ for (k = 0; k < input_count; ++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)
+ offset = GET_BE_WORD(input->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE *)backtrack + offset,
+ glyphs[glyph_index + (write_dir * k)]) == -1)
break;
}
- if (k != indexGlyphs)
+ if (k != input_count)
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++)
+ for (k = 0; k < lookahead_count; ++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)
+ offset = GET_BE_WORD(lookahead->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE *)backtrack + offset,
+ glyphs[glyph_index + (dirLookahead * (input_count + k))]) == -1)
break;
}
- if (k != GET_BE_WORD(ccpf3_3->LookaheadGlyphCount))
+ if (k != lookahead_count)
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 (!(positioning_count = GET_BE_WORD(positioning->PosCount)))
+ return 1;
- if (GET_BE_WORD(ccpf3_4->PosCount))
+ for (k = 0; k < positioning_count; ++k)
{
- 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;
+ unsigned int lookup_index = GET_BE_WORD(positioning->PosLookupRecord[k].LookupListIndex);
+ unsigned int sequence_index = GET_BE_WORD(positioning->PosLookupRecord[k].SequenceIndex);
+ unsigned int g = glyph_index + write_dir * sequence_index;
- 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);
+ if (g >= glyph_count)
+ {
+ WARN("Skipping invalid sequence index %u (glyph index %u, write dir %d).\n",
+ sequence_index, glyph_index, write_dir);
+ continue;
}
- return glyph_index + indexGlyphs + GET_BE_WORD(ccpf3_3->LookaheadGlyphCount);
+
+ TRACE("Position: %u -> %u %u.\n", k, sequence_index, lookup_index);
+ GPOS_apply_lookup(script_cache, otm, logfont, analysis, advance, lookup, lookup_index,
+ glyphs, g, glyph_count, goffset);
}
- else return glyph_index + 1;
+ return input_count + lookahead_count;
}
else
- FIXME("Unhandled Chaining Contextual Positioning Format %i\n",GET_BE_WORD(ccpf3->PosFormat));
+ FIXME("Unhandled Chaining Contextual Positioning Format %#x.\n", GET_BE_WORD(backtrack->PosFormat));
}
- return glyph_index + 1;
+ return 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)
+static unsigned int GPOS_apply_lookup(const ScriptCache *script_cache, const OUTLINETEXTMETRICW *lpotm,
+ const LOGFONTW *lplogfont, const SCRIPT_ANALYSIS *analysis, int *piAdvance, const OT_LookupList *lookup,
+ unsigned int lookup_index, const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count,
+ GOFFSET *pGoffset)
{
int offset;
const OT_LookupTable *look;
int ppem = lpotm->otmTextMetrics.tmAscent + lpotm->otmTextMetrics.tmDescent - lpotm->otmTextMetrics.tmInternalLeading;
- WORD type;
+ enum gpos_lookup_type 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)
+ TRACE("type %#x, flag %#x, subtables %u.\n", type,
+ GET_BE_WORD(look->LookupFlag), GET_BE_WORD(look->SubTableCount));
+
+ if (type == GPOS_LOOKUP_POSITION_EXTENSION)
{
if (GET_BE_WORD(look->SubTableCount))
{
}
switch (type)
{
- case 1:
+ case GPOS_LOOKUP_ADJUST_SINGLE:
{
double devX, devY;
POINT adjust = {0,0};
}
break;
}
- case 2:
+
+ case GPOS_LOOKUP_ADJUST_PAIR:
{
POINT advance[2]= {{0,0},{0,0}};
POINT adjust[2]= {{0,0},{0,0}};
double devX, devY;
- int index;
+ int index_offset;
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);
+ index_offset = 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);
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;
+ return index_offset;
}
- case 3:
+
+ case GPOS_LOOKUP_ATTACH_CURSIVE:
{
POINT desU = {0,0};
double devX, devY;
}
break;
}
- case 4:
+
+ case GPOS_LOOKUP_ATTACH_MARK_TO_BASE:
{
double devX, devY;
POINT desU = {0,0};
- int base_index = GPOS_apply_MarkToBase(psc, look, analysis, glyphs, glyph_index, glyph_count, ppem, &desU);
+ int base_index = GPOS_apply_MarkToBase(script_cache, 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);
}
break;
}
- case 5:
+
+ case GPOS_LOOKUP_ATTACH_MARK_TO_LIGATURE:
{
double devX, devY;
POINT desU = {0,0};
}
break;
}
- case 6:
+
+ case GPOS_LOOKUP_ATTACH_MARK_TO_MARK:
{
double devX, devY;
POINT desU = {0,0};
}
break;
}
- case 8:
- {
- return GPOS_apply_ChainContextPos(psc, lpotm, lplogfont, analysis, piAdvance, lookup, look, glyphs, glyph_index, glyph_count, ppem, pGoffset);
- }
+
+ case GPOS_LOOKUP_POSITION_CONTEXT:
+ return GPOS_apply_ContextPos(script_cache, lpotm, lplogfont, analysis, piAdvance,
+ lookup, look, glyphs, glyph_index, glyph_count, pGoffset);
+
+ case GPOS_LOOKUP_POSITION_CONTEXT_CHAINED:
+ return GPOS_apply_ChainContextPos(script_cache, lpotm, lplogfont, analysis, piAdvance,
+ lookup, look, glyphs, glyph_index, glyph_count, pGoffset);
+
default:
- FIXME("We do not handle SubType %i\n",type);
+ FIXME("Unhandled GPOS lookup type %#x.\n", type);
}
- return glyph_index+1;
+ return 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)
+unsigned int OpenType_apply_GPOS_lookup(const ScriptCache *script_cache, const OUTLINETEXTMETRICW *otm,
+ const LOGFONTW *logfont, const SCRIPT_ANALYSIS *analysis, int *advance, unsigned int lookup_index,
+ const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count, GOFFSET *goffset)
{
- const GPOS_Header *header = (const GPOS_Header *)psc->GPOS_Table;
+ const GPOS_Header *header = (const GPOS_Header *)script_cache->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);
+ return GPOS_apply_lookup(script_cache, otm, logfont, analysis, advance, lookup,
+ lookup_index, glyphs, glyph_index, glyph_count, goffset);
+}
+
+static LoadedScript *usp10_script_cache_get_script(ScriptCache *script_cache, OPENTYPE_TAG tag)
+{
+ size_t i;
+
+ for (i = 0; i < script_cache->script_count; ++i)
+ {
+ if (script_cache->scripts[i].tag == tag)
+ return &script_cache->scripts[i];
+ }
+
+ return NULL;
}
static void GSUB_initialize_script_cache(ScriptCache *psc)
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);
+ TRACE("initializing %li scripts in this font\n",psc->script_count);
if (psc->script_count)
{
- psc->scripts = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LoadedScript) * psc->script_count);
+ psc->scripts = heap_alloc_zero(psc->script_count * sizeof(*psc->scripts));
for (i = 0; i < psc->script_count; i++)
{
int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
int i, count;
const OT_ScriptList *script;
const GPOS_Header* header = (const GPOS_Header*)psc->GPOS_Table;
+ LoadedScript *loaded_script;
if (!header)
return;
if (!psc->script_count)
{
psc->script_count = count;
- TRACE("initializing %i scripts in this font\n",psc->script_count);
+ TRACE("initializing %li scripts in this font\n",psc->script_count);
if (psc->script_count)
{
- psc->scripts = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LoadedScript) * psc->script_count);
+ psc->scripts = heap_alloc_zero(psc->script_count * sizeof(*psc->scripts));
for (i = 0; i < psc->script_count; i++)
{
int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
{
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 (!(loaded_script = usp10_script_cache_get_script(psc, tag)))
{
- if (psc->scripts[j].tag == tag)
+ if (!usp10_array_reserve((void **)&psc->scripts, &psc->scripts_size,
+ psc->script_count + 1, sizeof(*psc->scripts)))
{
- psc->scripts[j].gpos_table = ((const BYTE*)script + offset);
- break;
+ ERR("Failed grow scripts array.\n");
+ return;
}
+
+ loaded_script = &psc->scripts[psc->script_count];
+ ++psc->script_count;
+ loaded_script->tag = tag;
}
- 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);
- }
+ loaded_script->gpos_table = (const BYTE *)script + offset;
}
}
}
HRESULT OpenType_GetFontScriptTags(ScriptCache *psc, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags)
{
int i;
+ const LoadedScript *script;
HRESULT rc = S_OK;
_initialize_script_cache(psc);
*pcTags = psc->script_count;
- if (!searchingFor && cMaxTags < *pcTags)
+ if (searchingFor)
+ {
+ if (!(script = usp10_script_cache_get_script(psc, searchingFor)))
+ return USP_E_SCRIPT_NOT_IN_FONT;
+
+ *pScriptTags = script->tag;
+ *pcTags = 1;
+ return S_OK;
+ }
+
+ if (cMaxTags < *pcTags)
rc = E_OUTOFMEMORY;
- else if (searchingFor)
- rc = USP_E_SCRIPT_NOT_IN_FONT;
- for (i = 0; i < psc->script_count; i++)
+ cMaxTags = min(cMaxTags, psc->script_count);
+ for (i = 0; i < cMaxTags; ++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;
- }
- }
+ pScriptTags[i] = psc->scripts[i].tag;
}
return rc;
}
+static LoadedLanguage *usp10_script_get_language(LoadedScript *script, OPENTYPE_TAG tag)
+{
+ size_t i;
+
+ for (i = 0; i < script->language_count; ++i)
+ {
+ if (script->languages[i].tag == tag)
+ return &script->languages[i];
+ }
+
+ return NULL;
+}
+
static void GSUB_initialize_language_cache(LoadedScript *script)
{
int i;
if (script->language_count)
{
- TRACE("Deflang %p, LangCount %i\n",script->default_language.gsub_table, script->language_count);
+ TRACE("Deflang %p, LangCount %li\n",script->default_language.gsub_table, script->language_count);
- script->languages = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LoadedLanguage) * script->language_count);
+ script->languages = heap_alloc_zero(script->language_count * sizeof(*script->languages));
for (i = 0; i < script->language_count; i++)
{
{
int count;
const OT_Script* table = script->gpos_table;
+ LoadedLanguage *language;
DWORD offset;
if (!table)
int i;
script->language_count = count;
- script->languages = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LoadedLanguage) * script->language_count);
+ script->languages = heap_alloc_zero(script->language_count * sizeof(*script->languages));
for (i = 0; i < script->language_count; i++)
{
}
else if (count)
{
- int i,j;
+ int i;
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 (!(language = usp10_script_get_language(script, tag)))
{
- if (script->languages[j].tag == tag)
+ if (!usp10_array_reserve((void **)&script->languages, &script->languages_size,
+ script->language_count + 1, sizeof(*script->languages)))
{
- script->languages[j].gpos_table = ((const BYTE*)table + offset);
- break;
+ ERR("Failed grow languages array.\n");
+ return;
}
+
+ language = &script->languages[script->language_count];
+ ++script->language_count;
+ language->tag = tag;
}
- 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);
- }
+ language->gpos_table = (const BYTE *)table + offset;
}
}
}
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)
+ if (!(script = usp10_script_cache_get_script(psc, script_tag)))
return E_INVALIDARG;
_initialize_language_cache(script);
return rc;
}
-
-static void GSUB_initialize_feature_cache(LPCVOID table, LoadedLanguage *language)
+static void usp10_language_add_feature_list(LoadedLanguage *language, char table_type,
+ const OT_LangSys *lang, const OT_FeatureList *feature_list)
{
- 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;
+ unsigned int count = GET_BE_WORD(lang->FeatureCount);
+ unsigned int i, j;
- language->feature_count = GET_BE_WORD(lang->FeatureCount);
- TRACE("%i features\n",language->feature_count);
+ TRACE("table_type %#x, %u features.\n", table_type, count);
- if (language->feature_count)
- {
- language->features = HeapAlloc(GetProcessHeap(),0,sizeof(LoadedFeature)*language->feature_count);
+ if (!count)
+ return;
- feature_list = (const OT_FeatureList*)((const BYTE*)header + GET_BE_WORD(header->FeatureList));
+ if (!language->feature_count)
+ language->features = heap_alloc(count * sizeof(*language->features));
+ else
+ language->features = HeapReAlloc(GetProcessHeap(), 0, language->features,
+ (language->feature_count + count) * sizeof(*language->features));
- 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_GSUB_TABLE;
- }
- }
+ for (i = 0; i < count; ++i)
+ {
+ const OT_FeatureRecord *record;
+ LoadedFeature *loaded_feature;
+ const OT_Feature *feature;
+
+ record = &feature_list->FeatureRecord[GET_BE_WORD(lang->FeatureIndex[i])];
+ feature = (const OT_Feature *)((const BYTE *)feature_list + GET_BE_WORD(record->Feature));
+
+ loaded_feature = &language->features[language->feature_count + i];
+ loaded_feature->tag = MS_MAKE_TAG(record->FeatureTag[0], record->FeatureTag[1],
+ record->FeatureTag[2], record->FeatureTag[3]);
+ loaded_feature->tableType = table_type;
+ loaded_feature->feature = feature;
+ loaded_feature->lookup_count = GET_BE_WORD(feature->LookupCount);
+ loaded_feature->lookups = heap_alloc(loaded_feature->lookup_count * sizeof(*loaded_feature->lookups));
+ for (j = 0; j < loaded_feature->lookup_count; ++j)
+ loaded_feature->lookups[j] = GET_BE_WORD(feature->LookupListIndex[j]);
}
+ language->feature_count += count;
}
-static void GPOS_expand_feature_cache(LPCVOID table, LoadedLanguage *language)
+static void _initialize_feature_cache(ScriptCache *psc, LoadedLanguage *language)
{
- int i, count;
- const OT_LangSys *lang = language->gpos_table;
- const GPOS_Header *header = (const GPOS_Header *)table;
+ const GSUB_Header *gsub_header = psc->GSUB_Table;
+ const GPOS_Header *gpos_header = psc->GPOS_Table;
const OT_FeatureList *feature_list;
+ const OT_LangSys *lang;
- 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)
+ if (language->features_initialized)
return;
- if (!language->feature_count)
+ if ((lang = language->gsub_table))
{
- 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;
- }
- }
+ feature_list = (const OT_FeatureList *)((const BYTE *)gsub_header + GET_BE_WORD(gsub_header->FeatureList));
+ usp10_language_add_feature_list(language, FEATURE_GSUB_TABLE, lang, feature_list);
}
- 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)
+ if ((lang = language->gpos_table))
{
- GSUB_initialize_feature_cache(psc->GSUB_Table, language);
- GPOS_expand_feature_cache(psc->GPOS_Table, language);
- language->features_initialized = TRUE;
+ feature_list = (const OT_FeatureList *)((const BYTE *)gpos_header + GET_BE_WORD(gpos_header->FeatureList));
+ usp10_language_add_feature_list(language, FEATURE_GPOS_TABLE, lang, feature_list);
}
+
+ 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;
+ LoadedScript *script;
HRESULT rc = S_OK;
- LoadedScript *script = NULL;
LoadedLanguage *language = 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)
+ if (!(script = usp10_script_cache_get_script(psc, script_tag)))
{
*pcTags = 0;
if (!filtered)
if ((script->default_language.gsub_table || script->default_language.gpos_table) && script->default_language.tag == language_tag)
language = &script->default_language;
else
- {
- for (i = 0; i < script->language_count; i++)
- {
- if (script->languages[i].tag == language_tag)
- {
- language = &script->languages[i];
- break;
- }
- }
- }
+ language = usp10_script_get_language(script, language_tag);
if (!language)
{
projects / reactos.git / blobdiff