[PATCH 2/5] usp10: Rename the chaining context tables in GPOS_apply_ChainContextPos() to something more descriptive.
Henri Verbeet
hverbeet at codeweavers.com
Wed Apr 5 03:21:26 CDT 2017
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
dlls/usp10/opentype.c | 63 +++++++++++++++++++++++++++------------------------
1 file changed, 33 insertions(+), 30 deletions(-)
diff --git a/dlls/usp10/opentype.c b/dlls/usp10/opentype.c
index 889aa8a..fd8fe91 100644
--- a/dlls/usp10/opentype.c
+++ b/dlls/usp10/opentype.c
@@ -2206,91 +2206,94 @@ static unsigned int GPOS_apply_ChainContextPos(const ScriptCache *script_cache,
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)
{
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)
{
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)
{
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++)
+ for (k = 0; k < GET_BE_WORD(backtrack->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)
+ 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 != GET_BE_WORD(backtrack->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)]));
+ input = (const GPOS_ChainContextPosFormat3_2 *)((BYTE *)backtrack +
+ FIELD_OFFSET(GPOS_ChainContextPosFormat3_1, Coverage[GET_BE_WORD(backtrack->BacktrackGlyphCount)]));
- indexGlyphs = GET_BE_WORD(ccpf3_2->InputGlyphCount);
+ indexGlyphs = GET_BE_WORD(input->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)
+ 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)
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)]));
+ lookahead = (const GPOS_ChainContextPosFormat3_3 *)((BYTE *)input +
+ FIELD_OFFSET(GPOS_ChainContextPosFormat3_2, Coverage[GET_BE_WORD(input->InputGlyphCount)]));
- for (k = 0; k < GET_BE_WORD(ccpf3_3->LookaheadGlyphCount); k++)
+ for (k = 0; k < GET_BE_WORD(lookahead->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)
+ offset = GET_BE_WORD(lookahead->Coverage[k]);
+ if (GSUB_is_glyph_covered((const BYTE *)backtrack + offset,
+ glyphs[glyph_index + (dirLookahead * (indexGlyphs + k))]) == -1)
break;
}
- if (k != GET_BE_WORD(ccpf3_3->LookaheadGlyphCount))
+ if (k != GET_BE_WORD(lookahead->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)]));
+ positioning = (const GPOS_ChainContextPosFormat3_4 *)((BYTE *)lookahead +
+ FIELD_OFFSET(GPOS_ChainContextPosFormat3_3, Coverage[GET_BE_WORD(lookahead->LookaheadGlyphCount)]));
- if (GET_BE_WORD(ccpf3_4->PosCount))
+ if (GET_BE_WORD(positioning->PosCount))
{
- for (k = 0; k < GET_BE_WORD(ccpf3_4->PosCount); k++)
+ for (k = 0; k < GET_BE_WORD(positioning->PosCount); ++k)
{
- int lookupIndex = GET_BE_WORD(ccpf3_4->PosLookupRecord[k].LookupListIndex);
- int SequenceIndex = GET_BE_WORD(ccpf3_4->PosLookupRecord[k].SequenceIndex) * write_dir;
+ int lookupIndex = GET_BE_WORD(positioning->PosLookupRecord[k].LookupListIndex);
+ int SequenceIndex = GET_BE_WORD(positioning->PosLookupRecord[k].SequenceIndex) * write_dir;
TRACE("Position: %i -> %i %i\n",k, SequenceIndex, lookupIndex);
GPOS_apply_lookup(script_cache, otm, logfont, analysis, advance, lookup, lookupIndex,
glyphs, glyph_index + SequenceIndex, glyph_count, goffset);
}
- return indexGlyphs + GET_BE_WORD(ccpf3_3->LookaheadGlyphCount);
+ return indexGlyphs + GET_BE_WORD(lookahead->LookaheadGlyphCount);
}
else return 1;
}
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 1;
}
--
2.1.4
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