Aric Stewart : usp10: Pre-base consonants need to be reordered like pre-base matras for scripts that have them .
Alexandre Julliard
julliard at winehq.org
Thu Jun 16 14:28:50 CDT 2011
Module: wine
Branch: master
Commit: 520f07a4b0cce8f7431bc00f16d12efc05f8e50f
URL: http://source.winehq.org/git/wine.git/?a=commit;h=520f07a4b0cce8f7431bc00f16d12efc05f8e50f
Author: Aric Stewart <aric at codeweavers.com>
Date: Thu Jun 16 11:29:03 2011 -0500
usp10: Pre-base consonants need to be reordered like pre-base matras for scripts that have them.
---
dlls/usp10/indic.c | 7 ++++++-
dlls/usp10/shape.c | 20 ++++++++++++++++++++
dlls/usp10/usp10_internal.h | 1 +
3 files changed, 27 insertions(+), 1 deletions(-)
diff --git a/dlls/usp10/indic.c b/dlls/usp10/indic.c
index 82ef2c1..3855f0c 100644
--- a/dlls/usp10/indic.c
+++ b/dlls/usp10/indic.c
@@ -239,6 +239,7 @@ static int FindBaseConsonant(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, LP
{
int i;
BOOL blwf = FALSE;
+ BOOL pref = FALSE;
/* remove ralf from consideration */
if (Consonent_is_ralf(hdc, psa, psc, input, s, lex))
@@ -258,10 +259,13 @@ static int FindBaseConsonant(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, LP
}
}
- while ((blwf = Consonent_is_below_base_form(hdc, psa, psc, input, s, lex)) || Consonent_is_post_base_form(hdc, psa, psc, input, s, lex) || Consonent_is_pre_base_form(hdc, psa, psc, input, s, lex))
+ while ((blwf = Consonent_is_below_base_form(hdc, psa, psc, input, s, lex)) || Consonent_is_post_base_form(hdc, psa, psc, input, s, lex) || (pref = Consonent_is_pre_base_form(hdc, psa, psc, input, s, lex)))
{
if (blwf && s->blwf == -1)
s->blwf = s->base - 1;
+ if (pref && s->pref == -1)
+ s->pref = s->base - 1;
+
for (i = s->base-1; i >= s->start; i--)
if (is_consonant( lex(input[i]) ))
{
@@ -310,6 +314,7 @@ void Indic_ReorderCharacters( HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, L
(*syllables)[*syllable_count].base = center;
(*syllables)[*syllable_count].ralf = -1;
(*syllables)[*syllable_count].blwf = -1;
+ (*syllables)[*syllable_count].pref = -1;
(*syllables)[*syllable_count].end = next-1;
FindBaseConsonant(hdc, psa, psc, input, &(*syllables)[*syllable_count], lex);
reorder_f(input, &(*syllables)[*syllable_count], lex);
diff --git a/dlls/usp10/shape.c b/dlls/usp10/shape.c
index 7151cd9..c1bc18f 100644
--- a/dlls/usp10/shape.c
+++ b/dlls/usp10/shape.c
@@ -1785,6 +1785,7 @@ static void Reorder_Ra_follows_matra(LPWSTR pwChar, IndicSyllable *s, lexical_fu
s->ralf = loc-1;
s->base -= 2;
if (s->blwf >= 0) s->blwf -= 2;
+ if (s->pref >= 0) s->pref -= 2;
}
}
@@ -1805,6 +1806,7 @@ static void Reorder_Ra_follows_syllable(LPWSTR pwChar, IndicSyllable *s, lexical
s->ralf = s->end-1;
s->base -= 2;
if (s->blwf >= 0) s->blwf -= 2;
+ if (s->pref >= 0) s->pref -= 2;
}
}
@@ -1828,6 +1830,7 @@ static void Reorder_Matra_precede_base(LPWSTR pwChar, IndicSyllable *s, lexical_
if (s->ralf >= s->base) s->ralf++;
if (s->blwf >= s->base) s->blwf++;
+ if (s->pref >= s->base) s->pref++;
s->base ++;
}
}
@@ -1854,6 +1857,7 @@ static void Reorder_Matra_precede_syllable(LPWSTR pwChar, IndicSyllable *s, lexi
if (s->ralf >= 0) s->ralf++;
if (s->blwf >= 0) s->blwf++;
+ if (s->pref >= 0) s->pref++;
s->base ++;
}
}
@@ -1907,6 +1911,19 @@ static void SecondReorder_Matra_precede_base(LPWSTR pwChar, IndicSyllable *s, WO
}
}
+static void SecondReorder_Pref_precede_base(LPWSTR pwChar, IndicSyllable *s, WORD *glyphs, IndicSyllable *g, lexical_function lexical)
+{
+ if (s->pref >= 0 && g->pref > g->base)
+ {
+ int j;
+ WCHAR og = glyphs[g->pref];
+ TRACE("Doing reorder of pref from %i to %i\n",g->pref,g->base);
+ for (j = g->pref; j > g->base; j--)
+ glyphs[j] = glyphs[j-1];
+ glyphs[g->base] = og;
+ }
+}
+
static void Reorder_Like_Sinhala(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
{
TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
@@ -1965,6 +1982,7 @@ static void SecondReorder_Like_Tamil(LPWSTR pwChar, IndicSyllable *s, WORD* pwGl
if (lexical(pwChar[s->base]) == lex_Vowel) return;
SecondReorder_Matra_precede_base(pwChar, s, pwGlyphs, g, lexical);
+ SecondReorder_Pref_precede_base(pwChar, s, pwGlyphs, g, lexical);
}
@@ -1983,6 +2001,8 @@ static inline void shift_syllable_glyph_indexs(IndicSyllable *glyph_index, INT i
glyph_index->ralf+= shift;
if (glyph_index->blwf > index)
glyph_index->blwf+= shift;
+ if (glyph_index->pref > index)
+ glyph_index->pref+= shift;
}
static void Apply_Indic_BasicForm(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index, const GSUB_Feature *feature )
diff --git a/dlls/usp10/usp10_internal.h b/dlls/usp10/usp10_internal.h
index 00d9583..e4c42f8 100644
--- a/dlls/usp10/usp10_internal.h
+++ b/dlls/usp10/usp10_internal.h
@@ -101,6 +101,7 @@ typedef struct {
INT base;
INT ralf;
INT blwf;
+ INT pref;
INT end;
} IndicSyllable;
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