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[Indic] Minor

This commit is contained in:
Behdad Esfahbod 2012-07-19 12:23:23 -04:00
parent be8b9f5f71
commit f83aaa3133
1 changed files with 26 additions and 16 deletions
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42
src/hb-ot-shape-complex-indic-private.hh
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@ -37,6 +37,23 @@
#define indic_category() complex_var_persistent_u8_0() /* indic_category_t */
#define indic_position() complex_var_persistent_u8_1() /* indic_matra_category_t */
#define IN_HALF_BLOCK(u, Base) ((u) & ~0x7F == (Base))
#define IS_DEVA(u) (IN_HALF_BLOCK (u, 0x900))
#define IS_BENG(u) (IN_HALF_BLOCK (u, 0x980))
#define IS_GURM(u) (IN_HALF_BLOCK (u, 0xA00))
#define IS_GUJA(u) (IN_HALF_BLOCK (u, 0xA80))
#define IS_ORYA(u) (IN_HALF_BLOCK (u, 0xB00))
#define IS_TAML(u) (IN_HALF_BLOCK (u, 0xB80))
#define IS_TELU(u) (IN_HALF_BLOCK (u, 0xC00))
#define IS_KNDA(u) (IN_HALF_BLOCK (u, 0xC80))
#define IS_MLYM(u) (IN_HALF_BLOCK (u, 0xD00))
#define IS_SINH(u) (IN_HALF_BLOCK (u, 0xD80))
#define INDIC_TABLE_ELEMENT_TYPE uint8_t
/* Cateories used in the OpenType spec:
@ -119,26 +136,19 @@ enum indic_matra_category_t {
INDIC_MATRA_CATEGORY_NOT_APPLICABLE = POS_BASE_C,
INDIC_MATRA_CATEGORY_LEFT = POS_PRE_M,
INDIC_MATRA_CATEGORY_TOP = POS_BEFORE_POST,
INDIC_MATRA_CATEGORY_BOTTOM = POS_BEFORE_POST,
INDIC_MATRA_CATEGORY_RIGHT = POS_AFTER_POST,
/* We don't really care much about these since we decompose them
* in the generic pre-shaping layer. They will only be used if
* the font does not cover the decomposition. In which case, we
* define these as aliases to the place we want the split-matra
* glyph to show up. Quite arbitrary.
*
* TODO: There are some split matras without Unicode decompositions.
* We have to figure out what to do with them.
*/
INDIC_MATRA_CATEGORY_BOTTOM_AND_RIGHT = POS_AFTER_POST,
INDIC_MATRA_CATEGORY_LEFT_AND_RIGHT = POS_AFTER_POST,
INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM = POS_BEFORE_POST,
INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_RIGHT = POS_AFTER_POST,
INDIC_MATRA_CATEGORY_TOP_AND_LEFT = POS_BEFORE_POST,
INDIC_MATRA_CATEGORY_TOP_AND_LEFT_AND_RIGHT = POS_AFTER_POST,
INDIC_MATRA_CATEGORY_TOP_AND_RIGHT = POS_AFTER_POST,
/* These should resolve to the position of the last part of the split sequence. */
INDIC_MATRA_CATEGORY_BOTTOM_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
INDIC_MATRA_CATEGORY_LEFT_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM = INDIC_MATRA_CATEGORY_BOTTOM,
INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
INDIC_MATRA_CATEGORY_TOP_AND_LEFT = INDIC_MATRA_CATEGORY_TOP,
INDIC_MATRA_CATEGORY_TOP_AND_LEFT_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
INDIC_MATRA_CATEGORY_TOP_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
INDIC_MATRA_CATEGORY_INVISIBLE = INDIC_MATRA_CATEGORY_NOT_APPLICABLE,
INDIC_MATRA_CATEGORY_OVERSTRUCK = INDIC_MATRA_CATEGORY_NOT_APPLICABLE,