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[BASE] More

This commit is contained in:
Behdad Esfahbod 2018-02-27 12:50:57 -08:00
parent 7a70c20fec
commit d7633d0a40
1 changed files with 12 additions and 141 deletions
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153
src/hb-ot-layout-base-table.hh
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@ -530,30 +530,9 @@ struct Axis
DEFINE_SIZE_STATIC (4); DEFINE_SIZE_STATIC (4);
}; };
struct BASEFormat1_1 struct BASE
{
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) &&
horizAxis.sanitize (c, this) &&
vertAxis.sanitize (c, this) &&
itemVarStore.sanitize (c, this));
}
protected:
FixedVersion<> version;
OffsetTo<Axis> horizAxis;
OffsetTo<Axis> vertAxis;
LOffsetTo<VariationStore> itemVarStore;
public:
DEFINE_SIZE_STATIC (12);
};
struct BASEFormat1_0
{ {
static const hb_tag_t tableTag = HB_OT_TAG_BASE;
inline bool has_vert_axis(void) inline bool has_vert_axis(void)
{ return vertAxis != Null(OffsetTo<Axis>); } { return vertAxis != Null(OffsetTo<Axis>); }
@ -651,131 +630,23 @@ struct BASEFormat1_0
{ {
TRACE_SANITIZE (this); TRACE_SANITIZE (this);
return_trace (c->check_struct (this) && return_trace (c->check_struct (this) &&
horizAxis.sanitize (c, this) && likely (version.major == 1) &&
vertAxis.sanitize (c, this)); horizAxis.sanitize (c, this) &&
vertAxis.sanitize (c, this) &&
(version.to_int () < 0x00010001u || varStore.sanitize (c, this)));
} }
protected: protected:
FixedVersion<> version; FixedVersion<> version;
OffsetTo<Axis> horizAxis; OffsetTo<Axis> horizAxis;
OffsetTo<Axis> vertAxis; OffsetTo<Axis> vertAxis;
LOffsetTo<VariationStore>
varStore; /* Offset to the table of Item Variation
* Store--from beginning of BASE
* header (may be NULL). Introduced
* in version 0x00010001. */
public: public:
DEFINE_SIZE_STATIC (8); DEFINE_SIZE_MIN (8);
};
struct BASE
{
static const hb_tag_t tableTag = HB_OT_TAG_BASE;
inline bool has_vert_axis(void)
{ return u.format1_0.has_vert_axis(); }
inline bool has_horiz_axis(void)
{ return u.format1_0.has_horiz_axis(); }
inline unsigned int get_horiz_base_tag_index(Tag baselineTag) const
{ return u.format1_0.get_horiz_base_tag_index(baselineTag); }
inline unsigned int get_horiz_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
{ return u.format1_0.get_horiz_default_base_tag_index_for_script_index(baseScriptIndex); }
inline int get_horiz_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
{ return u.format1_0.get_horiz_base_coord(baseScriptIndex, baselineTagIndex); }
inline unsigned int get_vert_base_tag_index(Tag baselineTag) const
{ return u.format1_0.get_vert_base_tag_index(baselineTag); }
inline unsigned int get_vert_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
{ return u.format1_0.get_vert_default_base_tag_index_for_script_index(baseScriptIndex); }
inline int get_vert_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
{ return u.format1_0.get_vert_base_coord(baseScriptIndex, baselineTagIndex); }
inline unsigned int get_horiz_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
{ return u.format1_0.get_horiz_lang_tag_index(baseScriptIndex, baseLangSysTag); }
inline unsigned int get_horiz_feature_tag_index (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
Tag featureTableTag) const
{
return u.format1_0.get_horiz_feature_tag_index (baseScriptIndex,
baseLangSysIndex,
featureTableTag);
}
inline int get_horiz_max_value (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
unsigned int featureTableTagIndex) const
{
return u.format1_0.get_horiz_max_value (baseScriptIndex,
baseLangSysIndex,
featureTableTagIndex);
}
inline int get_horiz_min_value (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
unsigned int featureTableTagIndex) const
{
return u.format1_0.get_horiz_min_value (baseScriptIndex,
baseLangSysIndex,
featureTableTagIndex);
}
inline unsigned int get_vert_lang_tag_index (unsigned int baseScriptIndex,
Tag baseLangSysTag) const
{
return u.format1_0.get_vert_lang_tag_index (baseScriptIndex,
baseLangSysTag);
}
inline unsigned int get_vert_feature_tag_index (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
Tag featureTableTag) const
{
return u.format1_0.get_vert_feature_tag_index (baseScriptIndex,
baseLangSysIndex,
featureTableTag);
}
inline int get_vert_max_value (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
unsigned int featureTableTagIndex) const
{
return u.format1_0.get_vert_max_value (baseScriptIndex,
baseLangSysIndex,
featureTableTagIndex);
}
inline int get_vert_min_value (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
unsigned int featureTableTagIndex) const
{
return u.format1_0.get_vert_min_value (baseScriptIndex,
baseLangSysIndex,
featureTableTagIndex);
}
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
if (!u.version.sanitize (c)) return_trace (false);
if (!likely(u.version.major == 1)) return_trace (false);
switch (u.version.minor) {
case 0: return_trace (u.format1_0.sanitize (c));
case 1: return_trace (u.format1_1.sanitize (c));
default:return_trace (false);
}
}
protected:
union {
FixedVersion<> version; /* Version of the BASE table: 1.0 or 1.1 */
BASEFormat1_0 format1_0;
BASEFormat1_1 format1_1;
} u;
public:
DEFINE_SIZE_UNION (4, version);
}; };