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[HB] Unify first glyph property checking

This commit is contained in:
Behdad Esfahbod 2009-05-17 08:59:01 -04:00
parent 66bf7ce4e3
commit 13068232e7
2 changed files with 35 additions and 58 deletions
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81
src/hb-ot-layout-gsub-private.h
View File

@ -98,11 +98,7 @@ struct SingleSubst {
}
}
inline bool substitute (LOOKUP_ARGS_DEF) const {
unsigned int property;
if (!_hb_ot_layout_check_glyph_property (layout, IN_CURITEM (), lookup_flag, &property))
return false;
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
hb_codepoint_t glyph_id = IN_CURGLYPH ();
@ -177,11 +173,7 @@ struct MultipleSubstFormat1 {
private:
inline bool substitute (LOOKUP_ARGS_DEF) const {
unsigned int property;
if (!_hb_ot_layout_check_glyph_property (layout, IN_CURITEM (), lookup_flag, &property))
return false;
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
unsigned int index = (this+coverage) (IN_CURGLYPH ());
return (this+sequence[index]).substitute_sequence (LOOKUP_ARGS, property);
@ -204,9 +196,9 @@ struct MultipleSubst {
private:
inline bool substitute (LOOKUP_ARGS_DEF) const {
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
switch (u.substFormat) {
case 1: return u.format1.substitute (LOOKUP_ARGS);
case 1: return u.format1.substitute (LOOKUP_ARGS, property);
default:return false;
}
}
@ -230,11 +222,7 @@ struct AlternateSubstFormat1 {
private:
inline bool substitute (LOOKUP_ARGS_DEF) const {
unsigned int property;
if (!_hb_ot_layout_check_glyph_property (layout, IN_CURITEM (), lookup_flag, &property))
return false;
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
hb_codepoint_t glyph_id = IN_CURGLYPH ();
@ -286,9 +274,9 @@ struct AlternateSubst {
private:
inline bool substitute (LOOKUP_ARGS_DEF) const {
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
switch (u.substFormat) {
case 1: return u.format1.substitute (LOOKUP_ARGS);
case 1: return u.format1.substitute (LOOKUP_ARGS, property);
default:return false;
}
}
@ -415,11 +403,7 @@ struct LigatureSubstFormat1 {
private:
inline bool substitute (LOOKUP_ARGS_DEF) const {
unsigned int property;
if (!_hb_ot_layout_check_glyph_property (layout, IN_CURITEM (), lookup_flag, &property))
return false;
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
hb_codepoint_t glyph_id = IN_CURGLYPH ();
@ -448,9 +432,9 @@ struct LigatureSubst {
private:
inline bool substitute (LOOKUP_ARGS_DEF) const {
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
switch (u.substFormat) {
case 1: return u.format1.substitute (LOOKUP_ARGS);
case 1: return u.format1.substitute (LOOKUP_ARGS, property);
default:return false;
}
}
@ -469,7 +453,7 @@ static inline bool substitute_lookup (LOOKUP_ARGS_DEF, unsigned int lookup_index
struct ContextSubst : Context {
inline bool substitute (LOOKUP_ARGS_DEF) const {
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
return this->apply (LOOKUP_ARGS, substitute_lookup);
}
};
@ -516,7 +500,7 @@ ASSERT_SIZE (ChainSubRuleSet, 2);
struct ChainContextSubstFormat1 {
/* TODO */
inline bool substitute (LOOKUP_ARGS_DEF) const {
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
return false;
}
@ -576,7 +560,7 @@ ASSERT_SIZE (ChainSubClassSet, 2);
struct ChainContextSubstFormat2 {
/* TODO */
inline bool substitute (LOOKUP_ARGS_DEF) const {
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
return false;
}
@ -606,7 +590,7 @@ ASSERT_SIZE (ChainContextSubstFormat2, 12);
struct ChainContextSubstFormat3 {
/* TODO */
inline bool substitute (LOOKUP_ARGS_DEF) const {
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
return false;
}
@ -638,11 +622,11 @@ struct ChainContextSubst {
private:
inline bool substitute (LOOKUP_ARGS_DEF) const {
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
switch (u.substFormat) {
case 1: return u.format1.substitute (LOOKUP_ARGS);
case 2: return u.format2.substitute (LOOKUP_ARGS);
case 3: return u.format3.substitute (LOOKUP_ARGS);
case 1: return u.format1.substitute (LOOKUP_ARGS, property);
case 2: return u.format2.substitute (LOOKUP_ARGS, property);
case 3: return u.format3.substitute (LOOKUP_ARGS, property);
default:return false;
}
}
@ -664,7 +648,7 @@ struct ExtensionSubstFormat1 {
private:
inline unsigned int get_type (void) const { return extensionLookupType; }
inline bool substitute (LOOKUP_ARGS_DEF) const;
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const;
private:
USHORT substFormat; /* Format identifier. Set to 1. */
@ -690,9 +674,9 @@ struct ExtensionSubst {
}
}
inline bool substitute (LOOKUP_ARGS_DEF) const {
inline bool substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
switch (u.substFormat) {
case 1: return u.format1.substitute (LOOKUP_ARGS);
case 1: return u.format1.substitute (LOOKUP_ARGS, property);
default:return false;
}
}
@ -752,18 +736,23 @@ struct SubstLookupSubTable {
inline bool substitute (LOOKUP_ARGS_DEF,
unsigned int lookup_type) const {
unsigned int property;
if (!_hb_ot_layout_check_glyph_property (layout, IN_CURITEM (), lookup_flag, &property))
return false;
switch (lookup_type) {
case GSUB_Single: return u.single.substitute (LOOKUP_ARGS);
case GSUB_Multiple: return u.multiple.substitute (LOOKUP_ARGS);
case GSUB_Alternate: return u.alternate.substitute (LOOKUP_ARGS);
case GSUB_Ligature: return u.ligature.substitute (LOOKUP_ARGS);
case GSUB_Context: return u.context.substitute (LOOKUP_ARGS);
case GSUB_Single: return u.single.substitute (LOOKUP_ARGS, property);
case GSUB_Multiple: return u.multiple.substitute (LOOKUP_ARGS, property);
case GSUB_Alternate: return u.alternate.substitute (LOOKUP_ARGS, property);
case GSUB_Ligature: return u.ligature.substitute (LOOKUP_ARGS, property);
case GSUB_Context: return u.context.substitute (LOOKUP_ARGS, property);
/*
case GSUB_ChainingContext: return u.chainingContext.substitute (LOOKUP_ARGS);
case GSUB_ChainingContext: return u.chainingContext.substitute (LOOKUP_ARGS, property);
*/
case GSUB_Extension: return u.extension.substitute (LOOKUP_ARGS);
case GSUB_Extension: return u.extension.substitute (LOOKUP_ARGS, property);
/*
case GSUB_ReverseChainingContextSingle: return u.reverseChainingContextSingle.substitute (LOOKUP_ARGS);
case GSUB_ReverseChainingContextSingle: return u.reverseChainingContextSingle.substitute (LOOKUP_ARGS, property);
*/
default:return false;
}
@ -910,7 +899,7 @@ struct GSUB : GSUBGPOS {
/* Out-of-class implementation for methods chaining */
inline bool ExtensionSubstFormat1::substitute (LOOKUP_ARGS_DEF) const {
inline bool ExtensionSubstFormat1::substitute (LOOKUP_ARGS_DEF, unsigned int property) const {
/* XXX either check in sanitize or here that the lookuptype is not 7 again,
* or we can loop indefinitely. */
return (*(SubstLookupSubTable *)(((char *) this) + extensionOffset)).substitute (LOOKUP_ARGS,

12
src/hb-ot-layout-gsubgpos-private.h
View File

@ -198,10 +198,6 @@ struct ContextFormat1 {
inline bool apply (LOOKUP_ARGS_DEF, apply_lookup_func_t apply_func) const {
unsigned int property;
if (!_hb_ot_layout_check_glyph_property (layout, IN_CURITEM (), lookup_flag, &property))
return false;
unsigned int index = (this+coverage) (IN_CURGLYPH ());
const RuleSet &rule_set = this+ruleSet[index];
struct ContextLookupContext context = {
@ -236,10 +232,6 @@ struct ContextFormat2 {
inline bool apply (LOOKUP_ARGS_DEF, apply_lookup_func_t apply_func) const {
unsigned int property;
if (!_hb_ot_layout_check_glyph_property (layout, IN_CURITEM (), lookup_flag, &property))
return false;
unsigned int index = (this+coverage) (IN_CURGLYPH ());
const RuleSet &rule_set = this+ruleSet[index];
/* LONGTERMTODO: Old code fetches glyph classes at most once and caches
@ -297,10 +289,6 @@ struct ContextFormat3 {
inline bool apply (LOOKUP_ARGS_DEF, apply_lookup_func_t apply_func) const {
unsigned int property;
if (!_hb_ot_layout_check_glyph_property (layout, IN_CURITEM (), lookup_flag, &property))
return false;
if ((*this)[0].get_coverage (IN_CURGLYPH () == NOT_COVERED))
return false;