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[mort] More massaging towards mort

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This commit is contained in:
Behdad Esfahbod 2018-10-30 19:42:21 -07:00
parent 2d9467340b
commit f864ef215e
1 changed files with 27 additions and 26 deletions
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53
src/hb-aat-layout-morx-table.hh
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@ -782,28 +782,29 @@ struct Feature
template <typename Types>
struct ChainSubtable
{
typedef typename Types::HBUINT HBUINT;
template <typename T>
friend struct Chain;
inline unsigned int get_size (void) const { return length; }
inline unsigned int get_type (void) const { return coverage & SubtableType; }
inline unsigned int get_type (void) const { return coverage & 0xFF; }
inline unsigned int get_coverage (void) const { return coverage >> (sizeof (HBUINT) * 8 - 8); }
enum Coverage
{
Vertical = 0x80000000, /* If set, this subtable will only be applied
* to vertical text. If clear, this subtable
* will only be applied to horizontal text. */
Backwards = 0x40000000, /* If set, this subtable will process glyphs
* in descending order. If clear, it will
* process the glyphs in ascending order. */
AllDirections = 0x20000000, /* If set, this subtable will be applied to
* both horizontal and vertical text (i.e.
* the state of bit 0x80000000 is ignored). */
Logical = 0x10000000, /* If set, this subtable will process glyphs
* in logical order (or reverse logical order,
* depending on the value of bit 0x80000000). */
Reserved = 0x0FFFFF00, /* Reserved, set to zero. */
SubtableType = 0x000000FF, /* Subtable type; see following table. */
Vertical = 0x80, /* If set, this subtable will only be applied
* to vertical text. If clear, this subtable
* will only be applied to horizontal text. */
Backwards = 0x40, /* If set, this subtable will process glyphs
* in descending order. If clear, it will
* process the glyphs in ascending order. */
AllDirections = 0x20, /* If set, this subtable will be applied to
* both horizontal and vertical text (i.e.
* the state of bit 0x80000000 is ignored). */
Logical = 0x10, /* If set, this subtable will process glyphs
* in logical order (or reverse logical order,
* depending on the value of bit 0x80000000). */
};
enum Type
{
@ -841,8 +842,8 @@ struct ChainSubtable
}
protected:
HBUINT32 length; /* Total subtable length, including this header. */
HBUINT32 coverage; /* Coverage flags and subtable type. */
HBUINT length; /* Total subtable length, including this header. */
HBUINT coverage; /* Coverage flags and subtable type. */
HBUINT32 subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
union {
RearrangementSubtable<Types> rearrangement;
@ -852,7 +853,7 @@ struct ChainSubtable
InsertionSubtable<Types> insertion;
} u;
public:
DEFINE_SIZE_MIN (2 * sizeof (HBUINT32) + 4);
DEFINE_SIZE_MIN (2 * sizeof (HBUINT) + 4);
};
template <typename Types>
@ -895,9 +896,9 @@ struct Chain
if (!(subtable->subFeatureFlags & flags))
goto skip;
if (!(subtable->coverage & ChainSubtable<Types>::AllDirections) &&
if (!(subtable->get_coverage() & ChainSubtable<Types>::AllDirections) &&
HB_DIRECTION_IS_VERTICAL (c->buffer->props.direction) !=
bool (subtable->coverage & ChainSubtable<Types>::Vertical))
bool (subtable->get_coverage() & ChainSubtable<Types>::Vertical))
goto skip;
/* Buffer contents is always in logical direction. Determine if
@ -927,9 +928,9 @@ struct Chain
(the order opposite that of the characters, which
may be right-to-left or left-to-right).
*/
reverse = subtable->coverage & ChainSubtable<Types>::Logical ?
bool (subtable->coverage & ChainSubtable<Types>::Backwards) :
bool (subtable->coverage & ChainSubtable<Types>::Backwards) !=
reverse = subtable->get_coverage () & ChainSubtable<Types>::Logical ?
bool (subtable->get_coverage () & ChainSubtable<Types>::Backwards) :
bool (subtable->get_coverage () & ChainSubtable<Types>::Backwards) !=
HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction);
if (!c->buffer->message (c->font, "start chain subtable %d", c->lookup_index))
@ -981,8 +982,8 @@ struct Chain
}
protected:
HBUINT defaultFlags; /* The default specification for subtables. */
HBUINT length; /* Total byte count, including this header. */
HBUINT32 defaultFlags; /* The default specification for subtables. */
HBUINT32 length; /* Total byte count, including this header. */
HBUINT featureCount; /* Number of feature subtable entries. */
HBUINT subtableCount; /* The number of subtables in the chain. */
@ -991,7 +992,7 @@ struct Chain
/*subtableGlyphCoverageArray*/ /* Only if version >= 3. We don't use. */
public:
DEFINE_SIZE_MIN (2 * sizeof (HBUINT) + 4);
DEFINE_SIZE_MIN (8 + 2 * sizeof (HBUINT));
};