diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-hhea-table.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-hhea-table.hh | 94 |
1 files changed, 51 insertions, 43 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-hhea-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-hhea-table.hh index dca014148e..27becfda3d 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-hhea-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-hhea-table.hh @@ -27,68 +27,76 @@ #ifndef HB_OT_HHEA_TABLE_HH #define HB_OT_HHEA_TABLE_HH -#include "hb-open-type-private.hh" - - -namespace OT { - +#include "hb-open-type.hh" /* - * hhea -- The Horizontal Header Table - * vhea -- The Vertical Header Table + * hhea -- Horizontal Header + * https://docs.microsoft.com/en-us/typography/opentype/spec/hhea + * vhea -- Vertical Header + * https://docs.microsoft.com/en-us/typography/opentype/spec/vhea */ - #define HB_OT_TAG_hhea HB_TAG('h','h','e','a') #define HB_OT_TAG_vhea HB_TAG('v','h','e','a') +namespace OT { + + +template <typename T> struct _hea { - inline bool sanitize (hb_sanitize_context_t *c) const + bool has_data () const { return version.major; } + + bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (c->check_struct (this) && likely (version.major == 1)); + return_trace (c->check_struct (this) && + hb_barrier () && + likely (version.major == 1)); } public: - FixedVersion<>version; /* 0x00010000u for version 1.0. */ - FWORD ascender; /* Typographic ascent. */ - FWORD descender; /* Typographic descent. */ - FWORD lineGap; /* Typographic line gap. */ - UFWORD advanceMax; /* Maximum advance width/height value in - * metrics table. */ - FWORD minLeadingBearing; /* Minimum left/top sidebearing value in - * metrics table. */ - FWORD minTrailingBearing; /* Minimum right/bottom sidebearing value; - * calculated as Min(aw - lsb - - * (xMax - xMin)) for horizontal. */ - FWORD maxExtent; /* horizontal: Max(lsb + (xMax - xMin)), - * vertical: minLeadingBearing+(yMax-yMin). */ - INT16 caretSlopeRise; /* Used to calculate the slope of the - * cursor (rise/run); 1 for vertical caret, - * 0 for horizontal.*/ - INT16 caretSlopeRun; /* 0 for vertical caret, 1 for horizontal. */ - INT16 caretOffset; /* The amount by which a slanted - * highlight on a glyph needs - * to be shifted to produce the - * best appearance. Set to 0 for - * non-slanted fonts. */ - INT16 reserved1; /* Set to 0. */ - INT16 reserved2; /* Set to 0. */ - INT16 reserved3; /* Set to 0. */ - INT16 reserved4; /* Set to 0. */ - INT16 metricDataFormat; /* 0 for current format. */ - UINT16 numberOfLongMetrics; /* Number of LongMetric entries in metric - * table. */ + FixedVersion<>version; /* 0x00010000u for version 1.0. */ + FWORD ascender; /* Typographic ascent. */ + FWORD descender; /* Typographic descent. */ + FWORD lineGap; /* Typographic line gap. */ + UFWORD advanceMax; /* Maximum advance width/height value in + * metrics table. */ + FWORD minLeadingBearing; + /* Minimum left/top sidebearing value in + * metrics table. */ + FWORD minTrailingBearing; + /* Minimum right/bottom sidebearing value; + * calculated as Min(aw - lsb - + * (xMax - xMin)) for horizontal. */ + FWORD maxExtent; /* horizontal: Max(lsb + (xMax - xMin)), + * vertical: minLeadingBearing+(yMax-yMin). */ + HBINT16 caretSlopeRise; /* Used to calculate the slope of the + * cursor (rise/run); 1 for vertical caret, + * 0 for horizontal.*/ + HBINT16 caretSlopeRun; /* 0 for vertical caret, 1 for horizontal. */ + HBINT16 caretOffset; /* The amount by which a slanted + * highlight on a glyph needs + * to be shifted to produce the + * best appearance. Set to 0 for + * non-slanted fonts. */ + HBINT16 reserved1; /* Set to 0. */ + HBINT16 reserved2; /* Set to 0. */ + HBINT16 reserved3; /* Set to 0. */ + HBINT16 reserved4; /* Set to 0. */ + HBINT16 metricDataFormat;/* 0 for current format. */ + HBUINT16 numberOfLongMetrics; + /* Number of LongMetric entries in metric + * table. */ public: DEFINE_SIZE_STATIC (36); }; -struct hhea : _hea { - static const hb_tag_t tableTag = HB_OT_TAG_hhea; +struct hhea : _hea<hhea> { + static constexpr hb_tag_t tableTag = HB_OT_TAG_hhea; }; -struct vhea : _hea { - static const hb_tag_t tableTag = HB_OT_TAG_vhea; +struct vhea : _hea<vhea> { + static constexpr hb_tag_t tableTag = HB_OT_TAG_vhea; }; |