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[kern] Move code

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This commit is contained in:
Behdad Esfahbod 2018-11-07 12:57:10 -05:00
parent 1ff300464a
commit 30af5b4a4c
1 changed files with 69 additions and 63 deletions
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132
src/hb-ot-kern-table.hh
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@ -235,44 +235,47 @@ struct KernTable
} }
}; };
struct KernOTSubTableHeader
{
typedef AAT::ObsoleteTypes Types;
inline unsigned int tuple_count (void) const { return 0; }
inline bool is_horizontal (void) const { return (coverage & Horizontal); }
enum Coverage
{
Horizontal = 0x01u,
Minimum = 0x02u,
CrossStream = 0x04u,
Override = 0x08u,
Variation = 0x00u, /* Not supported. */
};
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this));
}
public:
HBUINT16 versionZ; /* Unused. */
HBUINT16 length; /* Length of the subtable (including this header). */
HBUINT8 format; /* Subtable format. */
HBUINT8 coverage; /* Coverage bits. */
public:
DEFINE_SIZE_STATIC (6);
};
struct KernOT : KernTable<KernOT> struct KernOT : KernTable<KernOT>
{ {
friend struct KernTable<KernOT>; friend struct KernTable<KernOT>;
typedef KernOTSubTableHeader SubTableHeader;
static const uint16_t minVersion = 0; static const uint16_t minVersion = 0;
struct SubTableHeader
{
typedef AAT::ObsoleteTypes Types;
inline unsigned int tuple_count (void) const { return 0; }
inline bool is_horizontal (void) const { return (coverage & Horizontal); }
enum Coverage
{
Horizontal = 0x01u,
Minimum = 0x02u,
CrossStream = 0x04u,
Override = 0x08u,
Variation = 0x00u, /* Not supported. */
};
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this));
}
public:
HBUINT16 versionZ; /* Unused. */
HBUINT16 length; /* Length of the subtable (including this header). */
HBUINT8 format; /* Subtable format. */
HBUINT8 coverage; /* Coverage bits. */
public:
DEFINE_SIZE_STATIC (6);
};
protected: protected:
HBUINT16 version; /* Version--0x0000u */ HBUINT16 version; /* Version--0x0000u */
HBUINT16 tableCount; /* Number of subtables in the kerning table. */ HBUINT16 tableCount; /* Number of subtables in the kerning table. */
@ -281,43 +284,46 @@ struct KernOT : KernTable<KernOT>
DEFINE_SIZE_MIN (4); DEFINE_SIZE_MIN (4);
}; };
struct KernAATSubTableHeader
{
typedef AAT::ObsoleteTypes Types;
inline unsigned int tuple_count (void) const { return 0; }
inline bool is_horizontal (void) const { return !(coverage & Vertical); }
enum Coverage
{
Vertical = 0x80u,
CrossStream = 0x40u,
Variation = 0x20u,
};
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this));
}
public:
HBUINT32 length; /* Length of the subtable (including this header). */
HBUINT8 coverage; /* Coverage bits. */
HBUINT8 format; /* Subtable format. */
HBUINT16 tupleIndex; /* The tuple index (used for variations fonts).
* This value specifies which tuple this subtable covers.
* Note: We don't implement. */
public:
DEFINE_SIZE_STATIC (8);
};
struct KernAAT : KernTable<KernAAT> struct KernAAT : KernTable<KernAAT>
{ {
friend struct KernTable<KernAAT>; friend struct KernTable<KernAAT>;
typedef KernAATSubTableHeader SubTableHeader;
static const uint32_t minVersion = 0x00010000u; static const uint32_t minVersion = 0x00010000u;
struct SubTableHeader
{
typedef AAT::ObsoleteTypes Types;
inline unsigned int tuple_count (void) const { return 0; }
inline bool is_horizontal (void) const { return !(coverage & Vertical); }
enum Coverage
{
Vertical = 0x80u,
CrossStream = 0x40u,
Variation = 0x20u,
};
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this));
}
public:
HBUINT32 length; /* Length of the subtable (including this header). */
HBUINT8 coverage; /* Coverage bits. */
HBUINT8 format; /* Subtable format. */
HBUINT16 tupleIndex; /* The tuple index (used for variations fonts).
* This value specifies which tuple this subtable covers.
* Note: We don't implement. */
public:
DEFINE_SIZE_STATIC (8);
};
protected: protected:
HBUINT32 version; /* Version--0x00010000u */ HBUINT32 version; /* Version--0x00010000u */
HBUINT32 tableCount; /* Number of subtables in the kerning table. */ HBUINT32 tableCount; /* Number of subtables in the kerning table. */