diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh index 3c0bb3d6dd..4cb6c15c67 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh @@ -43,7 +43,7 @@ namespace OT { struct head { - friend struct OffsetTable; + friend struct OpenTypeOffsetTable; static constexpr hb_tag_t tableTag = HB_OT_TAG_head; @@ -54,23 +54,56 @@ struct head return 16 <= upem && upem <= 16384 ? upem : 1000; } + bool serialize (hb_serialize_context_t *c) const + { + TRACE_SERIALIZE (this); + return_trace ((bool) c->embed (this)); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + head *out = c->serializer->embed (this); + if (unlikely (!out)) return_trace (false); + + if (c->plan->normalized_coords) + { + if (unlikely (!c->serializer->check_assign (out->xMin, c->plan->head_maxp_info.xMin, + HB_SERIALIZE_ERROR_INT_OVERFLOW))) + return_trace (false); + if (unlikely (!c->serializer->check_assign (out->xMax, c->plan->head_maxp_info.xMax, + HB_SERIALIZE_ERROR_INT_OVERFLOW))) + return_trace (false); + if (unlikely (!c->serializer->check_assign (out->yMin, c->plan->head_maxp_info.yMin, + HB_SERIALIZE_ERROR_INT_OVERFLOW))) + return_trace (false); + if (unlikely (!c->serializer->check_assign (out->yMax, c->plan->head_maxp_info.yMax, + HB_SERIALIZE_ERROR_INT_OVERFLOW))) + return_trace (false); + } + return_trace (true); + } + enum mac_style_flag_t { BOLD = 1u<<0, ITALIC = 1u<<1, UNDERLINE = 1u<<2, OUTLINE = 1u<<3, SHADOW = 1u<<4, - CONDENSED = 1u<<5 + CONDENSED = 1u<<5, + EXPANDED = 1u<<6, }; bool is_bold () const { return macStyle & BOLD; } bool is_italic () const { return macStyle & ITALIC; } bool is_condensed () const { return macStyle & CONDENSED; } + bool is_expanded () const { return macStyle & EXPANDED; } bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); return_trace (c->check_struct (this) && + hb_barrier () && version.major == 1 && magicNumber == 0x5F0F3CF5u); } @@ -83,6 +116,7 @@ struct head * entire font as HBUINT32, then store * 0xB1B0AFBAu - sum. */ HBUINT32 magicNumber; /* Set to 0x5F0F3CF5u. */ + public: HBUINT16 flags; /* Bit 0: Baseline for font at y=0; * Bit 1: Left sidebearing point at x=0; * Bit 2: Instructions may depend on point size; @@ -127,6 +161,7 @@ struct head * encoded in the cmap subtables represent proper * support for those code points. * Bit 15: Reserved, set to 0. */ + protected: HBUINT16 unitsPerEm; /* Valid range is from 16 to 16384. This value * should be a power of 2 for fonts that have * TrueType outlines. */ @@ -134,10 +169,12 @@ struct head January 1, 1904. 64-bit integer */ LONGDATETIME modified; /* Number of seconds since 12:00 midnight, January 1, 1904. 64-bit integer */ + public: HBINT16 xMin; /* For all glyph bounding boxes. */ HBINT16 yMin; /* For all glyph bounding boxes. */ HBINT16 xMax; /* For all glyph bounding boxes. */ HBINT16 yMax; /* For all glyph bounding boxes. */ + protected: HBUINT16 macStyle; /* Bit 0: Bold (if set to 1); * Bit 1: Italic (if set to 1) * Bit 2: Underline (if set to 1) |