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Tune the implementation of UNICODE LINE BREAKING ALGORITHM

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Vincent Wei
2019-01-24 20:17:27 +08:00
parent a11cef5f2e
commit 0191772111
2 changed files with 157 additions and 413 deletions
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include/gdi.h
+17 -32
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@@ -10358,26 +10358,15 @@ static inline int GUIAPI LanguageCodeFromISO639s1Code (const char* iso639_1)
/**
* The break opportunity code
*/
#define BOV_BEFORE_MASK 0xF0
#define BOV_AFTER_MASK 0x0F
#define BOV_UNKNOWN 0x00
#define BOV_SET_FLAG 0x08
#define BOV_MANDATORY_FLAG 0x04
#define BOV_BREAK_FLAG 0x01
#define BOV_BEFORE_UNKNOWN 0x00
#define BOV_BEFORE_SET_FLAG 0x80
#define BOV_BEFORE_MANDATORY_FLAG 0x40
#define BOV_BEFORE_BREAK_FLAG 0x10
#define BOV_BEFORE_NOTALLOWED (BOV_BEFORE_SET_FLAG | 0x00)
#define BOV_BEFORE_ALLOWED (BOV_BEFORE_SET_FLAG | BOV_BEFORE_BREAK_FLAG)
#define BOV_BEFORE_MANDATORY \
(BOV_BEFORE_SET_FLAG | BOV_BEFORE_MANDATORY_FLAG | BOV_BEFORE_BREAK_FLAG)
#define BOV_AFTER_UNKNOWN 0x00
#define BOV_AFTER_SET_FLAG 0x08
#define BOV_AFTER_MANDATORY_FLAG 0x04
#define BOV_AFTER_BREAK_FLAG 0x01
#define BOV_AFTER_NOTALLOWED (BOV_AFTER_SET_FLAG | 0x00)
#define BOV_AFTER_ALLOWED (BOV_AFTER_SET_FLAG | BOV_AFTER_BREAK_FLAG)
#define BOV_AFTER_MANDATORY \
(BOV_AFTER_SET_FLAG | BOV_AFTER_MANDATORY_FLAG | BOV_AFTER_BREAK_FLAG)
#define BOV_NOTALLOWED (BOV_SET_FLAG | 0x00)
#define BOV_ALLOWED (BOV_SET_FLAG | BOV_BREAK_FLAG)
#define BOV_MANDATORY \
(BOV_SET_FLAG | BOV_MANDATORY_FLAG | BOV_BREAK_FLAG)
/**
* \fn int GUIAPI GetGlyphsByRules(LOGFONT* logfont,
@@ -10417,20 +10406,16 @@ static inline int GUIAPI LanguageCodeFromISO639s1Code (const char* iso639_1)
* allocated glyph string.
* \param break_opps The pointer to a Uint8 buffer to store
* the break opportunities array of the glpyhs; can be NULL.
* Every glyph will have OR'ed value of BOV_BEFORE_XXX and BOV_AFTER_XXX
* values::
* - BOV_BEFORE_MANDATORY\n
* Mandatory break before the glyph.
* - BOV_BEFORE_NOTALLOWED\n
* Note that the length of this array is always one longer than
* glyphs array. The first unit of the array stores the before
* break opportunity of the first glyph, and the others store
* the after break opportunities of all gyphs.
* The break opportunity can be one of the following values:
* - BOV_MANDATORY\n
* Mandatory break.
* - BOV_NOTALLOWED\n
* No break allowed before the glyph.
* - BOV_BEFORE_ALLOWED\n
* Break allowed before the glyph.
* - BOV_AFTER_MANDATORY\n
* Mandatory break after the glyph.
* - BOV_AFTER_ALLOWED\n
* Break allowed after the glyph.
* - BOV_AFTER_NOTALLOWED\n
* No break allowed after the glyph.
* - BOV_ALLOWED\n
* \param nr_glyphs The buffer to store the number of the allocated glyphs.
*
* \return The number of the bytes consumed in \a mstr; zero on error.
src/newgdi/glyph-css.c
+140 -381
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