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usp10: Rename the chaining context tables in GSUB_apply_ChainContextSubst() to something more descriptive. 

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet 2017-04-06 12:03:42 +02:00 committed by Alexandre Julliard
parent ecf1bbd525
commit 02316e6613
1 changed files with 52 additions and 49 deletions
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101
dlls/usp10/opentype.c
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@ -1283,32 +1283,32 @@ static INT GSUB_apply_ChainContextSubst(const OT_LookupList* lookup, const OT_Lo
{
int k;
int indexGlyphs;
const GSUB_ChainSubClassRule_1 *cscr_1;
const GSUB_ChainSubClassRule_2 *cscr_2;
const GSUB_ChainSubClassRule_3 *cscr_3;
const GSUB_ChainSubClassRule_4 *cscr_4;
const GSUB_ChainSubClassRule_1 *backtrack;
const GSUB_ChainSubClassRule_2 *input;
const GSUB_ChainSubClassRule_3 *lookahead;
const GSUB_ChainSubClassRule_4 *substitute;
offset = GET_BE_WORD(csc->ChainSubClassRule[i]);
cscr_1 = (const GSUB_ChainSubClassRule_1*)((BYTE*)csc+offset);
backtrack = (const GSUB_ChainSubClassRule_1 *)((BYTE *)csc + offset);
for (k = 0; k < GET_BE_WORD(cscr_1->BacktrackGlyphCount); k++)
for (k = 0; k < GET_BE_WORD(backtrack->BacktrackGlyphCount); ++k)
{
WORD target_class = GET_BE_WORD(cscr_1->Backtrack[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 != GET_BE_WORD(cscr_1->BacktrackGlyphCount))
if (k != GET_BE_WORD(backtrack->BacktrackGlyphCount))
continue;
TRACE("Matched Backtrack\n");
cscr_2 = (const GSUB_ChainSubClassRule_2*)((BYTE *)cscr_1 +
FIELD_OFFSET(GSUB_ChainSubClassRule_1, Backtrack[GET_BE_WORD(cscr_1->BacktrackGlyphCount)]));
input = (const GSUB_ChainSubClassRule_2 *)((BYTE *)backtrack +
FIELD_OFFSET(GSUB_ChainSubClassRule_1, Backtrack[GET_BE_WORD(backtrack->BacktrackGlyphCount)]));
indexGlyphs = GET_BE_WORD(cscr_2->InputGlyphCount);
indexGlyphs = GET_BE_WORD(input->InputGlyphCount);
for (k = 0; k < indexGlyphs - 1; k++)
{
WORD target_class = GET_BE_WORD(cscr_2->Input[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;
@ -1317,29 +1317,29 @@ static INT GSUB_apply_ChainContextSubst(const OT_LookupList* lookup, const OT_Lo
continue;
TRACE("Matched IndexGlyphs\n");
cscr_3 = (const GSUB_ChainSubClassRule_3*)((BYTE *)cscr_2 +
FIELD_OFFSET(GSUB_ChainSubClassRule_2, Input[GET_BE_WORD(cscr_2->InputGlyphCount)-1]));
lookahead = (const GSUB_ChainSubClassRule_3 *)((BYTE *)input +
FIELD_OFFSET(GSUB_ChainSubClassRule_2, Input[GET_BE_WORD(input->InputGlyphCount) - 1]));
for (k = 0; k < GET_BE_WORD(cscr_3->LookaheadGlyphCount); k++)
for (k = 0; k < GET_BE_WORD(lookahead->LookaheadGlyphCount); ++k)
{
WORD target_class = GET_BE_WORD(cscr_3->LookAhead[k]);
WORD target_class = GET_BE_WORD(lookahead->LookAhead[k]);
WORD glyph_class = OT_get_glyph_class(lookahead_class_table, glyphs[glyph_index + (dirLookahead * (indexGlyphs+k))]);
if (target_class != glyph_class)
break;
}
if (k != GET_BE_WORD(cscr_3->LookaheadGlyphCount))
if (k != GET_BE_WORD(lookahead->LookaheadGlyphCount))
continue;
TRACE("Matched LookAhead\n");
cscr_4 = (const GSUB_ChainSubClassRule_4*)((BYTE *)cscr_3 +
FIELD_OFFSET(GSUB_ChainSubClassRule_3, LookAhead[GET_BE_WORD(cscr_3->LookaheadGlyphCount)]));
substitute = (const GSUB_ChainSubClassRule_4 *)((BYTE *)lookahead +
FIELD_OFFSET(GSUB_ChainSubClassRule_3, LookAhead[GET_BE_WORD(lookahead->LookaheadGlyphCount)]));
if (GET_BE_WORD(cscr_4->SubstCount))
if (GET_BE_WORD(substitute->SubstCount))
{
for (k = 0; k < GET_BE_WORD(cscr_4->SubstCount); k++)
for (k = 0; k < GET_BE_WORD(substitute->SubstCount); ++k)
{
int lookupIndex = GET_BE_WORD(cscr_4->SubstLookupRecord[k].LookupListIndex);
int SequenceIndex = GET_BE_WORD(cscr_4->SubstLookupRecord[k].SequenceIndex) * write_dir;
int lookupIndex = GET_BE_WORD(substitute->SubstLookupRecord[k].LookupListIndex);
int SequenceIndex = GET_BE_WORD(substitute->SubstLookupRecord[k].SequenceIndex) * write_dir;
TRACE("SUBST: %i -> %i %i\n",k, SequenceIndex, lookupIndex);
newIndex = GSUB_apply_lookup(lookup, lookupIndex, glyphs, glyph_index + SequenceIndex, write_dir, glyph_count);
@ -1358,62 +1358,65 @@ static INT GSUB_apply_ChainContextSubst(const OT_LookupList* lookup, const OT_Lo
{
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;
const GSUB_ChainContextSubstFormat3_1 *backtrack;
const GSUB_ChainContextSubstFormat3_2 *input;
const GSUB_ChainContextSubstFormat3_3 *lookahead;
const GSUB_ChainContextSubstFormat3_4 *substitute;
int newIndex = glyph_index;
ccsf3_1 = (const GSUB_ChainContextSubstFormat3_1 *)ccsf1;
backtrack = (const GSUB_ChainContextSubstFormat3_1 *)ccsf1;
TRACE(" subtype 3 (Coverage-based Chaining Context Glyph Substitution)\n");
for (k = 0; k < GET_BE_WORD(ccsf3_1->BacktrackGlyphCount); k++)
for (k = 0; k < GET_BE_WORD(backtrack->BacktrackGlyphCount); ++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 != GET_BE_WORD(backtrack->BacktrackGlyphCount))
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)]));
input = (const GSUB_ChainContextSubstFormat3_2 *)((BYTE *)ccsf1 +
FIELD_OFFSET(GSUB_ChainContextSubstFormat3_1, Coverage[GET_BE_WORD(backtrack->BacktrackGlyphCount)]));
indexGlyphs = GET_BE_WORD(ccsf3_2->InputGlyphCount);
indexGlyphs = GET_BE_WORD(input->InputGlyphCount);
for (k = 0; k < indexGlyphs; 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)
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)]));
lookahead = (const GSUB_ChainContextSubstFormat3_3 *)((BYTE *)input +
FIELD_OFFSET(GSUB_ChainContextSubstFormat3_2, Coverage[GET_BE_WORD(input->InputGlyphCount)]));
for (k = 0; k < GET_BE_WORD(ccsf3_3->LookaheadGlyphCount); k++)
for (k = 0; k < GET_BE_WORD(lookahead->LookaheadGlyphCount); ++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 * (indexGlyphs + k))]) == -1)
break;
}
if (k != GET_BE_WORD(ccsf3_3->LookaheadGlyphCount))
if (k != GET_BE_WORD(lookahead->LookaheadGlyphCount))
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)]));
substitute = (const GSUB_ChainContextSubstFormat3_4 *)((BYTE *)lookahead +
FIELD_OFFSET(GSUB_ChainContextSubstFormat3_3, Coverage[GET_BE_WORD(lookahead->LookaheadGlyphCount)]));
if (GET_BE_WORD(ccsf3_4->SubstCount))
if (GET_BE_WORD(substitute->SubstCount))
{
for (k = 0; k < GET_BE_WORD(ccsf3_4->SubstCount); k++)
for (k = 0; k < GET_BE_WORD(substitute->SubstCount); ++k)
{
int lookupIndex = GET_BE_WORD(ccsf3_4->SubstLookupRecord[k].LookupListIndex);
int SequenceIndex = GET_BE_WORD(ccsf3_4->SubstLookupRecord[k].SequenceIndex) * write_dir;
int lookupIndex = GET_BE_WORD(substitute->SubstLookupRecord[k].LookupListIndex);
int SequenceIndex = GET_BE_WORD(substitute->SubstLookupRecord[k].SequenceIndex) * write_dir;
TRACE("SUBST: %i -> %i %i\n",k, SequenceIndex, lookupIndex);
newIndex = GSUB_apply_lookup(lookup, lookupIndex, glyphs, glyph_index + SequenceIndex, write_dir, glyph_count);