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usp10: Handle Combining Diacritical Marks.

This commit is contained in:
Aric Stewart 2011-11-20 21:05:00 -07:00 committed by Alexandre Julliard
parent 2abb8193b9
commit 714408684d
4 changed files with 41 additions and 1 deletions
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1
dlls/usp10/shape.c
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@ -582,6 +582,7 @@ static const ScriptShapeData ShapingData[] =
{{ devanagari_features, 6}, required_telugu_features, "knda", "knd2", ContextualShape_Kannada, ShapeCharGlyphProp_Kannada},
{{ devanagari_features, 6}, required_telugu_features, "mlym", "mlm2", ContextualShape_Malayalam, ShapeCharGlyphProp_Malayalam},
{{ devanagari_features, 6}, required_telugu_features, "mlym", "mlm2", ContextualShape_Malayalam, ShapeCharGlyphProp_Malayalam},
{{ standard_features, 2}, NULL, "" , "", NULL, NULL},
};
static INT GSUB_is_glyph_covered(LPCVOID table , UINT glyph)

16
dlls/usp10/tests/usp10.c
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@ -277,6 +277,14 @@ static void test_ScriptItemize( void )
static const itemTest t191[2] = {{{0,0,0,0,0},0,0,0,0,mlym_tag,FALSE},{{0,0,0,0,0},6,0,0,0,-1,FALSE}};
static const itemTest t192[2] = {{{0,0,0,0,0},0,0,0,2,mlym_tag,FALSE},{{0,0,0,0,0},6,0,0,0,-1,FALSE}};
/* Diacritical */
static const WCHAR test20[] = {0x0309,'a','b','c','d',0};
static const itemTest t201[3] = {{{0,0,0,0,0},0,0,0,0,0x0,FALSE},{{0,0,0,0,0},1,0,0,0,latn_tag,FALSE},{{0,0,0,0,0},5,0,0,0,-1,FALSE}};
static const itemTest t202[3] = {{{0,0,0,0,0},0,0,0,2,0,TRUE,{-1,1,1,1,-1}},{{0,0,0,0,0},1,0,0,2,latn_tag,FALSE},{{0,0,0,0,0},5,0,0,0,-1,FALSE}};
static const WCHAR test21[] = {0x0710, 0x0712, 0x0308, 0x0712, 0x0714,0};
static const itemTest t211[2] = {{{0,0,0,0,0},0,1,1,1,syrc_tag,FALSE},{{0,0,0,0,0},5,0,0,0,-1,FALSE}};
SCRIPT_ITEM items[15];
SCRIPT_CONTROL Control;
SCRIPT_STATE State;
@ -329,6 +337,8 @@ static void test_ScriptItemize( void )
test_items_ok(test17,6,NULL,NULL,1,t171,FALSE,0);
test_items_ok(test18,5,NULL,NULL,1,t181,FALSE,0);
test_items_ok(test19,6,NULL,NULL,1,t191,FALSE,0);
test_items_ok(test20,5,NULL,NULL,2,t201,FALSE,0);
test_items_ok(test21,5,NULL,NULL,1,t211,FALSE,0);
State.uBidiLevel = 0;
test_items_ok(test1,4,&Control,&State,1,t11,FALSE,0);
@ -355,6 +365,8 @@ static void test_ScriptItemize( void )
test_items_ok(test17,6,&Control,&State,1,t171,FALSE,0);
test_items_ok(test18,5,&Control,&State,1,t181,FALSE,0);
test_items_ok(test19,6,&Control,&State,1,t191,FALSE,0);
test_items_ok(test20,5,&Control,&State,2,t201,FALSE,0);
test_items_ok(test21,5,&Control,&State,1,t211,FALSE,0);
State.uBidiLevel = 1;
test_items_ok(test1,4,&Control,&State,1,t12,FALSE,0);
@ -381,6 +393,8 @@ static void test_ScriptItemize( void )
test_items_ok(test17,6,&Control,&State,1,t172,FALSE,0);
test_items_ok(test18,5,&Control,&State,1,t182,FALSE,0);
test_items_ok(test19,6,&Control,&State,1,t192,FALSE,0);
test_items_ok(test20,5,&Control,&State,2,t202,FALSE,0);
test_items_ok(test21,5,&Control,&State,1,t211,FALSE,0);
State.uBidiLevel = 1;
Control.fMergeNeutralItems = TRUE;
@ -408,6 +422,8 @@ static void test_ScriptItemize( void )
test_items_ok(test17,6,&Control,&State,1,t172,FALSE,0);
test_items_ok(test18,5,&Control,&State,1,t182,FALSE,0);
test_items_ok(test19,6,&Control,&State,1,t192,FALSE,0);
test_items_ok(test20,5,&Control,&State,2,t202,FALSE,0);
test_items_ok(test21,5,&Control,&State,1,t211,FALSE,0);
}
static inline void _test_shape_ok(int valid, HDC hdc, LPCWSTR string,

23
dlls/usp10/usp10.c
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@ -57,6 +57,8 @@ static const scriptRange scriptRanges[] = {
/* Latin Extended-B: U+0180–U+024F */
/* IPA Extensions: U+0250–U+02AF */
{ Script_Latin, 0x00, 0x2af , Script_Numeric, Script_Punctuation},
/* Combining Diacritical Marks : U+0300–U+036F */
{ Script_Diacritical,0x300, 0x36f, 0, 0},
/* Greek: U+0370–U+03FF */
{ Script_Greek, 0x370, 0x3ff, 0, 0},
/* Cyrillic: U+0400–U+04FF */
@ -110,6 +112,8 @@ static const scriptRange scriptRanges[] = {
{ Script_Devanagari, 0x1cd0, 0x1cff, Script_Devanagari_Numeric, 0},
/* Phonetic Extensions: U+1D00–U+1DBF */
{ Script_Latin, 0x1d00, 0x1dbf, 0, 0},
/* Combining Diacritical Marks Supplement: U+1DC0–U+1DFF */
{ Script_Diacritical,0x1dc0, 0x1dff, 0, 0},
/* Latin Extended Additional: U+1E00–U+1EFF */
{ Script_Latin, 0x1e00, 0x1eff, 0, 0},
/* Greek Extended: U+1F00–U+1FFF */
@ -354,6 +358,10 @@ static const scriptData scriptInformation[] = {
{LANG_MALAYALAM, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
MS_MAKE_TAG('m','l','y','m'),
{'K','a','r','t','i','k','a',0}},
{{Script_Diacritical, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
{LANG_ENGLISH, 0, 1, 0, 1, ANSI_CHARSET, 0, 0, 0, 0, 0, 1, 1, 0, 0},
0x00000000,
{0}},
};
static const SCRIPT_PROPERTIES *script_props[] =
@ -379,7 +387,8 @@ static const SCRIPT_PROPERTIES *script_props[] =
&scriptInformation[36].props, &scriptInformation[37].props,
&scriptInformation[38].props, &scriptInformation[39].props,
&scriptInformation[40].props, &scriptInformation[41].props,
&scriptInformation[42].props, &scriptInformation[43].props
&scriptInformation[42].props, &scriptInformation[43].props,
&scriptInformation[44].props
};
typedef struct {
@ -870,6 +879,10 @@ HRESULT WINAPI ScriptItemizeOpenType(const WCHAR *pwcInChars, int cInChars, int
Right-to-Left Mark U+200F) will force us into bidi mode */
if (!forceLevels && pwcInChars[i] >= 0x200B && pwcInChars[i] <= 0x200F)
forceLevels = TRUE;
/* Diacritical marks merge with other scripts */
if (scripts[i] == Script_Diacritical && i > 0)
scripts[i] = scripts[i-1];
}
for (i = 0; i < cInChars; i++)
@ -927,6 +940,14 @@ HRESULT WINAPI ScriptItemizeOpenType(const WCHAR *pwcInChars, int cInChars, int
}
BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength);
/* We currently mis-level leading Diacriticals */
if (scripts[0] == Script_Diacritical)
for (i = 0; i < cInChars && scripts[0] == Script_Diacritical; i++)
{
levels[i] = odd(levels[i])?levels[i]+1:levels[i];
strength[i] = BIDI_STRONG;
}
for (i = 0; i < cInChars; i++)
{
/* Script_Numeric and select puncuation at level 0 get bumped to level 2 */

2
dlls/usp10/usp10_internal.h
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@ -71,6 +71,8 @@
#define Script_Kannada_Numeric 41
#define Script_Malayalam 42
#define Script_Malayalam_Numeric 43
/* More supplemental */
#define Script_Diacritical 44
#define GLYPH_BLOCK_SHIFT 8
#define GLYPH_BLOCK_SIZE (1UL << GLYPH_BLOCK_SHIFT)