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usp10: In Arabic only fallback to presentation form B for isolated glyphs.

This commit is contained in:
Aric Stewart 2011-11-20 21:02:58 -07:00 committed by Alexandre Julliard
parent f869a16186
commit ed15053837
1 changed files with 9 additions and 6 deletions
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15
dlls/usp10/shape.c
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@ -1567,13 +1567,16 @@ static void ContextualShape_Arabic(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *p
if (!shaped) if (!shaped)
{ {
WORD newGlyph = pwOutGlyphs[i]; if (context_shape[i] == Xn)
if (pwcChars[i] >= FIRST_ARABIC_CHAR && pwcChars[i] <= LAST_ARABIC_CHAR)
{ {
/* fall back to presentation form B */ WORD newGlyph = pwOutGlyphs[i];
WCHAR context_char = wine_shaping_forms[pwcChars[i] - FIRST_ARABIC_CHAR][context_shape[i]]; if (pwcChars[i] >= FIRST_ARABIC_CHAR && pwcChars[i] <= LAST_ARABIC_CHAR)
if (context_char != pwcChars[i] && GetGlyphIndicesW(hdc, &context_char, 1, &newGlyph, 0) != GDI_ERROR && newGlyph != 0x0000) {
pwOutGlyphs[i] = newGlyph; /* fall back to presentation form B */
WCHAR context_char = wine_shaping_forms[pwcChars[i] - FIRST_ARABIC_CHAR][context_shape[i]];
if (context_char != pwcChars[i] && GetGlyphIndicesW(hdc, &context_char, 1, &newGlyph, 0) != GDI_ERROR && newGlyph != 0x0000)
pwOutGlyphs[i] = newGlyph;
}
} }
i++; i++;
} }