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[unicode] Exclude the Jamo Filler characters from Default_Ignorable, as some fonts want these to be visible/spacing glyphs.

This commit is contained in:
Jonathan Kew 2014-01-20 10:37:32 +00:00
parent 7244b3fc3b
commit 391934db0a
1 changed files with 7 additions and 8 deletions
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15
src/hb-unicode-private.hh
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@ -134,10 +134,10 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
* 6.3 is also added manually. The new Unicode 6.3 bidi formatting
* characters are encoded in a block that was Default_Ignorable already.
*
* Note: While U+115F and U+1160 are Default_Ignorable, we do NOT want to
* hide them, as the way Uniscribe has implemented them is with regular
* spacing glyphs, and that's the way fonts are made to work. As such,
* we make exceptions for those two.
* Note: While U+115F, U+1160, U+3164 and U+FFA0 are Default_Ignorable,
* we do NOT want to hide them, as the way Uniscribe has implemented them
* is with regular spacing glyphs, and that's the way fonts are made to work.
* As such, we make exceptions for those four.
*
* Gathered from:
* http://unicode.org/cldr/utility/list-unicodeset.jsp?a=[:DI:]&abb=on&ucd=on&esc=on
@ -159,10 +159,10 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
* 200B..200F ;RIGHT-TO-LEFT MARK
* 202A..202E ;RIGHT-TO-LEFT OVERRIDE
* 2060..206F ;NOMINAL DIGIT SHAPES
* 3164 ;HANGUL FILLER
* #3164 ;HANGUL FILLER
* FE00..FE0F ;VARIATION SELECTOR-16
* FEFF ;ZERO WIDTH NO-BREAK SPACE
* FFA0 ;HALFWIDTH HANGUL FILLER
* #FFA0 ;HALFWIDTH HANGUL FILLER
* FFF0..FFF8 ;<unassigned-FFF8>
* 1D173..1D17A ;MUSICAL SYMBOL END PHRASE
* E0000..E0FFF ;<unassigned-E0FFF>
@ -184,9 +184,8 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
case 0x20: return hb_in_ranges<hb_codepoint_t> (ch, 0x200B, 0x200F,
0x202A, 0x202E,
0x2060, 0x206F);
case 0x31: return unlikely (ch == 0x3164);
case 0xFE: return hb_in_range<hb_codepoint_t> (ch, 0xFE00, 0xFE0F) || ch == 0xFEFF;
case 0xFF: return hb_in_range<hb_codepoint_t> (ch, 0xFFF0, 0xFFF8) || ch == 0xFFA0;
case 0xFF: return hb_in_range<hb_codepoint_t> (ch, 0xFFF0, 0xFFF8);
default: return false;
}
}