diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-static.cc')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-static.cc | 86 |
1 files changed, 74 insertions, 12 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-static.cc b/src/3rdparty/harfbuzz-ng/src/hb-static.cc index 08a2f21363..c9bd0a61bf 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-static.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-static.cc @@ -31,9 +31,13 @@ #include "hb-aat-layout-common.hh" #include "hb-aat-layout-feat-table.hh" +#include "hb-cff-interp-common.hh" #include "hb-ot-layout-common.hh" #include "hb-ot-cmap-table.hh" +#include "OT/Color/COLR/COLR.hh" +#include "hb-ot-glyf-table.hh" #include "hb-ot-head-table.hh" +#include "hb-ot-hmtx-table.hh" #include "hb-ot-maxp-table.hh" #ifndef HB_NO_VISIBILITY @@ -43,25 +47,60 @@ uint64_t const _hb_NullPool[(HB_NULL_POOL_SIZE + sizeof (uint64_t) - 1) / sizeof /*thread_local*/ uint64_t _hb_CrapPool[(HB_NULL_POOL_SIZE + sizeof (uint64_t) - 1) / sizeof (uint64_t)] = {}; DEFINE_NULL_NAMESPACE_BYTES (OT, Index) = {0xFF,0xFF}; +DEFINE_NULL_NAMESPACE_BYTES (OT, VarIdx) = {0xFF,0xFF,0xFF,0xFF}; DEFINE_NULL_NAMESPACE_BYTES (OT, LangSys) = {0x00,0x00, 0xFF,0xFF, 0x00,0x00}; -DEFINE_NULL_NAMESPACE_BYTES (OT, RangeRecord) = {0x00,0x01, 0x00,0x00, 0x00, 0x00}; +DEFINE_NULL_NAMESPACE_BYTES (OT, RangeRecord) = {0x01}; +DEFINE_NULL_NAMESPACE_BYTES (OT, ClipRecord) = {0x01}; DEFINE_NULL_NAMESPACE_BYTES (OT, CmapSubtableLongGroup) = {0x00,0x00,0x00,0x01, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00}; DEFINE_NULL_NAMESPACE_BYTES (AAT, SettingName) = {0xFF,0xFF, 0xFF,0xFF}; -/* Hand-coded because Lookup is a template. Sad. */ -const unsigned char _hb_Null_AAT_Lookup[2] = {0xFF, 0xFF}; +DEFINE_NULL_NAMESPACE_BYTES (AAT, Lookup) = {0xFF,0xFF}; +/* hb_map_t */ + +const hb_codepoint_t minus_1 = -1; +static const unsigned char static_endchar_str[] = {OpCode_endchar}; +const unsigned char *endchar_str = static_endchar_str; + +/* hb_face_t */ + +#ifndef HB_NO_BEYOND_64K +static inline unsigned +load_num_glyphs_from_loca (const hb_face_t *face) +{ + unsigned ret = 0; + + unsigned indexToLocFormat = face->table.head->indexToLocFormat; + + if (indexToLocFormat <= 1) + { + bool short_offset = 0 == indexToLocFormat; + hb_blob_t *loca_blob = face->table.loca.get_blob (); + ret = hb_max (1u, loca_blob->length / (short_offset ? 2 : 4)) - 1; + } + + return ret; +} +#endif + +static inline unsigned +load_num_glyphs_from_maxp (const hb_face_t *face) +{ + return face->table.maxp->get_num_glyphs (); +} + unsigned int hb_face_t::load_num_glyphs () const { - hb_sanitize_context_t c = hb_sanitize_context_t (); - c.set_num_glyphs (0); /* So we don't recurse ad infinitum. */ - hb_blob_t *maxp_blob = c.reference_table<OT::maxp> (this); - const OT::maxp *maxp_table = maxp_blob->as<OT::maxp> (); - - unsigned int ret = maxp_table->get_num_glyphs (); - num_glyphs.set_relaxed (ret); - hb_blob_destroy (maxp_blob); + unsigned ret = 0; + +#ifndef HB_NO_BEYOND_64K + ret = hb_max (ret, load_num_glyphs_from_loca (this)); +#endif + + ret = hb_max (ret, load_num_glyphs_from_maxp (this)); + + num_glyphs = ret; return ret; } @@ -69,8 +108,31 @@ unsigned int hb_face_t::load_upem () const { unsigned int ret = table.head->get_upem (); - upem.set_relaxed (ret); + upem = ret; return ret; } + +#ifndef HB_NO_VAR +bool +_glyf_get_leading_bearing_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical, + int *lsb) +{ + return font->face->table.glyf->get_leading_bearing_with_var_unscaled (font, glyph, is_vertical, lsb); +} + +unsigned +_glyf_get_advance_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical) +{ + return font->face->table.glyf->get_advance_with_var_unscaled (font, glyph, is_vertical); +} +#endif + +bool +_glyf_get_leading_bearing_without_var_unscaled (hb_face_t *face, hb_codepoint_t gid, bool is_vertical, int *lsb) +{ + return face->table.glyf->get_leading_bearing_without_var_unscaled (gid, is_vertical, lsb); +} + + #endif |