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usp10: Enable a second reorder step after basic shaping.

This commit is contained in:
Aric Stewart 2011-06-16 11:28:47 -05:00 committed by Alexandre Julliard
parent 75520505de
commit 4a6364d3c0
1 changed files with 51 additions and 11 deletions
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62
dlls/usp10/shape.c
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@ -309,6 +309,8 @@ typedef struct tagConsonantComponents
WCHAR output; WCHAR output;
} ConsonantComponents; } ConsonantComponents;
typedef void (*second_reorder_function)(LPWSTR pwChar, IndicSyllable *syllable,WORD* pwGlyphs, IndicSyllable* glyph_index, lexical_function lex);
/* the orders of joined_forms and contextual_features need to line up */ /* the orders of joined_forms and contextual_features need to line up */
static const char* contextual_features[] = static const char* contextual_features[] =
{ {
@ -1858,6 +1860,30 @@ static void Reorder_Matra_precede_syllable(LPWSTR pwChar, IndicSyllable *s, lexi
} }
} }
static void SecondReorder_Blwf_follows_matra(LPWSTR pwChar, IndicSyllable *s, WORD *glyphs, IndicSyllable *g, lexical_function lexical)
{
if (s->blwf >= 0 && g->blwf > g->base)
{
int j,loc;
int g_offset;
for (loc = s->end; loc > s->blwf; loc--)
if (lexical(pwChar[loc]) == lex_Matra_below || lexical(pwChar[loc]) == lex_Matra_above || lexical(pwChar[loc]) == lex_Matra_post)
break;
g_offset = (loc - s->blwf) - 1;
if (loc != s->blwf)
{
WORD blwf = glyphs[g->blwf];
TRACE("Doing reorder of Below-base to %i (glyph offset %i)\n",loc,g_offset);
/* do not care about the pwChar array anymore, just the glyphs */
for (j = 0; j < g_offset; j++)
glyphs[g->blwf + j] = glyphs[g->blwf + j + 1];
glyphs[g->blwf + g_offset] = blwf;
}
}
}
static void Reorder_Like_Sinhala(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical) static void Reorder_Like_Sinhala(LPWSTR pwChar, IndicSyllable *s, lexical_function lexical)
{ {
TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end); TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
@ -1908,6 +1934,16 @@ static void Reorder_Like_Malayalam(LPWSTR pwChar, IndicSyllable *s, lexical_func
Reorder_Matra_precede_base(pwChar, s, lexical); Reorder_Matra_precede_base(pwChar, s, lexical);
} }
static void SecondReorder_Like_Telugu(LPWSTR pwChar, IndicSyllable *s, WORD* pwGlyphs, IndicSyllable *g, lexical_function lexical)
{
TRACE("Syllable (%i..%i..%i)\n",s->start,s->base,s->end);
TRACE("Glyphs (%i..%i..%i)\n",g->start,g->base,g->end);
if (s->start == s->base && s->base == s->end) return;
if (lexical(pwChar[s->base]) == lex_Vowel) return;
SecondReorder_Blwf_follows_matra(pwChar, s, pwGlyphs, g, lexical);
}
static inline void shift_syllable_glyph_indexs(IndicSyllable *glyph_index, INT index, INT shift) static inline void shift_syllable_glyph_indexs(IndicSyllable *glyph_index, INT index, INT shift)
{ {
if (shift == 0) if (shift == 0)
@ -2042,7 +2078,7 @@ static void Apply_Indic_PostBase(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa
} }
} }
static void ShapeIndicSyllables(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllables, INT syllable_count, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical) static void ShapeIndicSyllables(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllables, INT syllable_count, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, second_reorder_function second_reorder)
{ {
int c; int c;
int overall_shift = 0; int overall_shift = 0;
@ -2081,6 +2117,7 @@ static void ShapeIndicSyllables(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa,
TRACE("applying feature akhn\n"); TRACE("applying feature akhn\n");
Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, akhn); Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, akhn);
} }
if (rphf) if (rphf)
Apply_Indic_Rphf(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs); Apply_Indic_Rphf(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs);
if (rkrf) if (rkrf)
@ -2110,6 +2147,9 @@ static void ShapeIndicSyllables(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa,
Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, cjct); Apply_Indic_BasicForm(hdc, psc, psa, pwChars, cChars, &syllables[c], pwOutGlyphs, pcGlyphs, pwLogClust, lexical, &glyph_indexs, cjct);
} }
if (second_reorder)
second_reorder(pwChars, &syllables[c], pwOutGlyphs, &glyph_indexs, lexical);
overall_shift += glyph_indexs.end - old_end; overall_shift += glyph_indexs.end - old_end;
} }
} }
@ -2187,7 +2227,7 @@ static void ContextualShape_Sinhala(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *
/* Step 4: Base Form application to syllables */ /* Step 4: Base Form application to syllables */
GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0); GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
*pcGlyphs = cCount; *pcGlyphs = cCount;
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, sinhala_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, sinhala_lex, NULL);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);
@ -2266,7 +2306,7 @@ static void ContextualShape_Devanagari(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSI
*pcGlyphs = cCount; *pcGlyphs = cCount;
/* Step 3: Base Form application to syllables */ /* Step 3: Base Form application to syllables */
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, devanagari_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, devanagari_lex, NULL);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);
@ -2356,7 +2396,7 @@ static void ContextualShape_Bengali(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *
} }
/* Step 4: Base Form application to syllables */ /* Step 4: Base Form application to syllables */
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, bengali_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, bengali_lex, NULL);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);
@ -2427,7 +2467,7 @@ static void ContextualShape_Gurmukhi(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS
*pcGlyphs = cCount; *pcGlyphs = cCount;
/* Step 3: Base Form application to syllables */ /* Step 3: Base Form application to syllables */
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gurmukhi_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gurmukhi_lex, NULL);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);
@ -2482,7 +2522,7 @@ static void ContextualShape_Gujarati(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS
*pcGlyphs = cCount; *pcGlyphs = cCount;
/* Step 2: Base Form application to syllables */ /* Step 2: Base Form application to syllables */
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gujarati_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gujarati_lex, NULL);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);
@ -2563,7 +2603,7 @@ static void ContextualShape_Oriya(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *ps
*pcGlyphs = cCount; *pcGlyphs = cCount;
/* Step 3: Base Form application to syllables */ /* Step 3: Base Form application to syllables */
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, oriya_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, oriya_lex, NULL);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);
@ -2625,7 +2665,7 @@ static void ContextualShape_Tamil(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *ps
*pcGlyphs = cCount; *pcGlyphs = cCount;
/* Step 3: Base Form application to syllables */ /* Step 3: Base Form application to syllables */
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, tamil_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, tamil_lex, NULL);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);
@ -2687,7 +2727,7 @@ static void ContextualShape_Telugu(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *p
*pcGlyphs = cCount; *pcGlyphs = cCount;
/* Step 3: Base Form application to syllables */ /* Step 3: Base Form application to syllables */
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, telugu_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, telugu_lex, SecondReorder_Like_Telugu);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);
@ -2754,7 +2794,7 @@ static void ContextualShape_Kannada(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *
*pcGlyphs = cCount; *pcGlyphs = cCount;
/* Step 3: Base Form application to syllables */ /* Step 3: Base Form application to syllables */
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, kannada_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, kannada_lex, SecondReorder_Like_Telugu);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);
@ -2814,7 +2854,7 @@ static void ContextualShape_Malayalam(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS
*pcGlyphs = cCount; *pcGlyphs = cCount;
/* Step 3: Base Form application to syllables */ /* Step 3: Base Form application to syllables */
ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, malayalam_lex); ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, malayalam_lex, NULL);
HeapFree(GetProcessHeap(),0,input); HeapFree(GetProcessHeap(),0,input);
HeapFree(GetProcessHeap(),0,syllables); HeapFree(GetProcessHeap(),0,syllables);