diff options
Diffstat (limited to 'src/hb-ot-cff1-table.hh')
| -rw-r--r-- | src/hb-ot-cff1-table.hh | 220 |
1 files changed, 150 insertions, 70 deletions
diff --git a/src/hb-ot-cff1-table.hh b/src/hb-ot-cff1-table.hh index 5dd183e3a..bb856c9dd 100644 --- a/src/hb-ot-cff1-table.hh +++ b/src/hb-ot-cff1-table.hh @@ -175,7 +175,7 @@ struct Encoding unsigned int size = src.get_size (); Encoding *dest = c->allocate_size<Encoding> (size); if (unlikely (!dest)) return_trace (false); - memcpy (dest, &src, size); + hb_memcpy (dest, &src, size); return_trace (true); } @@ -318,14 +318,21 @@ struct Charset0 { return_trace (c->check_struct (this) && sids[num_glyphs - 1].sanitize (c)); } - hb_codepoint_t get_sid (hb_codepoint_t glyph) const + hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned num_glyphs) const { + if (unlikely (glyph >= num_glyphs)) return 0; if (glyph == 0) return 0; else return sids[glyph - 1]; } + void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const + { + for (hb_codepoint_t gid = 1; gid < num_glyphs; gid++) + mapping->set (gid, sids[gid - 1]); + } + hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const { if (sid == 0) @@ -381,20 +388,38 @@ struct Charset1_2 { return_trace (true); } - hb_codepoint_t get_sid (hb_codepoint_t glyph) const + hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned num_glyphs) const { + if (unlikely (glyph >= num_glyphs)) return 0; if (glyph == 0) return 0; glyph--; for (unsigned int i = 0;; i++) { if (glyph <= ranges[i].nLeft) - return (hb_codepoint_t)ranges[i].first + glyph; + return (hb_codepoint_t) ranges[i].first + glyph; glyph -= (ranges[i].nLeft + 1); } return 0; } + void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const + { + hb_codepoint_t gid = 1; + if (gid >= num_glyphs) + return; + for (unsigned i = 0;; i++) + { + hb_codepoint_t sid = ranges[i].first; + unsigned count = ranges[i].nLeft + 1; + for (unsigned j = 0; j < count; j++) + mapping->set (gid++, sid++); + + if (gid >= num_glyphs) + break; + } + } + hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const { if (sid == 0) return 0; @@ -446,7 +471,7 @@ struct Charset unsigned int size = src.get_size (num_glyphs); Charset *dest = c->allocate_size<Charset> (size); if (unlikely (!dest)) return_trace (false); - memcpy (dest, &src, size); + hb_memcpy (dest, &src, size); return_trace (true); } @@ -521,16 +546,26 @@ struct Charset hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned int num_glyphs) const { - if (unlikely (glyph >= num_glyphs)) return 0; switch (format) { - case 0: return u.format0.get_sid (glyph); - case 1: return u.format1.get_sid (glyph); - case 2: return u.format2.get_sid (glyph); + case 0: return u.format0.get_sid (glyph, num_glyphs); + case 1: return u.format1.get_sid (glyph, num_glyphs); + case 2: return u.format2.get_sid (glyph, num_glyphs); default:return 0; } } + void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const + { + switch (format) + { + case 0: u.format0.collect_glyph_to_sid_map (mapping, num_glyphs); return; + case 1: u.format1.collect_glyph_to_sid_map (mapping, num_glyphs); return; + case 2: u.format2.collect_glyph_to_sid_map (mapping, num_glyphs); return; + default:return; + } + } + hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const { switch (format) @@ -582,7 +617,6 @@ struct CFF1StringIndex : CFF1Index } byte_str_array_t bytesArray; - bytesArray.init (); if (!bytesArray.resize (sidmap.get_population ())) return_trace (false); for (unsigned int i = 0; i < strings.count; i++) @@ -593,7 +627,6 @@ struct CFF1StringIndex : CFF1Index } bool result = CFF1Index::serialize (c, bytesArray); - bytesArray.fini (); return_trace (result); } }; @@ -602,6 +635,8 @@ struct cff1_top_dict_interp_env_t : num_interp_env_t { cff1_top_dict_interp_env_t () : num_interp_env_t(), prev_offset(0), last_offset(0) {} + cff1_top_dict_interp_env_t (const hb_ubytes_t &bytes) + : num_interp_env_t(bytes), prev_offset(0), last_offset(0) {} unsigned int prev_offset; unsigned int last_offset; @@ -776,7 +811,7 @@ struct cff1_top_dict_opset_t : top_dict_opset_t<cff1_top_dict_val_t> break; default: - env.last_offset = env.str_ref.offset; + env.last_offset = env.str_ref.get_offset (); top_dict_opset_t<cff1_top_dict_val_t>::process_op (op, env, dictval); /* Record this operand below if stack is empty, otherwise done */ if (!env.argStack.is_empty ()) return; @@ -1024,11 +1059,10 @@ struct cff1 { fini (); return; } { /* parse top dict */ - const byte_str_t topDictStr = (*topDictIndex)[0]; + const hb_ubytes_t topDictStr = (*topDictIndex)[0]; if (unlikely (!topDictStr.sanitize (&sc))) { fini (); return; } - cff1_top_dict_interpreter_t top_interp; - top_interp.env.init (topDictStr); - topDict.init (); + cff1_top_dict_interp_env_t env (topDictStr); + cff1_top_dict_interpreter_t top_interp (env); if (unlikely (!top_interp.interpret (topDict))) { fini (); return; } } @@ -1098,20 +1132,21 @@ struct cff1 { for (unsigned int i = 0; i < fdCount; i++) { - byte_str_t fontDictStr = (*fdArray)[i]; + hb_ubytes_t fontDictStr = (*fdArray)[i]; if (unlikely (!fontDictStr.sanitize (&sc))) { fini (); return; } cff1_font_dict_values_t *font; - cff1_font_dict_interpreter_t font_interp; - font_interp.env.init (fontDictStr); + cff1_top_dict_interp_env_t env (fontDictStr); + cff1_font_dict_interpreter_t font_interp (env); font = fontDicts.push (); - if (unlikely (font == &Crap (cff1_font_dict_values_t))) { fini (); return; } + if (unlikely (fontDicts.in_error ())) { fini (); return; } + font->init (); if (unlikely (!font_interp.interpret (*font))) { fini (); return; } PRIVDICTVAL *priv = &privateDicts[i]; - const byte_str_t privDictStr (StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset), font->privateDictInfo.size); + const hb_ubytes_t privDictStr = StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size); if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; } - dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp; - priv_interp.env.init (privDictStr); + num_interp_env_t env2 (privDictStr); + dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env2); priv->init (); if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; } @@ -1126,10 +1161,10 @@ struct cff1 cff1_top_dict_values_t *font = &topDict; PRIVDICTVAL *priv = &privateDicts[0]; - const byte_str_t privDictStr (StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset), font->privateDictInfo.size); + const hb_ubytes_t privDictStr = StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size); if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; } - dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp; - priv_interp.env.init (privDictStr); + num_interp_env_t env (privDictStr); + dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env); priv->init (); if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; } @@ -1144,8 +1179,8 @@ struct cff1 { sc.end_processing (); topDict.fini (); - fontDicts.fini_deep (); - privateDicts.fini_deep (); + fontDicts.fini (); + privateDicts.fini (); hb_blob_destroy (blob); blob = nullptr; } @@ -1194,6 +1229,19 @@ struct cff1 } } + hb_map_t *create_glyph_to_sid_map () const + { + if (charset != &Null (Charset)) + { + hb_map_t *mapping = hb_map_create (); + mapping->set (0, 0); + charset->collect_glyph_to_sid_map (mapping, num_glyphs); + return mapping; + } + else + return nullptr; + } + hb_codepoint_t glyph_to_sid (hb_codepoint_t glyph) const { if (charset != &Null (Charset)) @@ -1245,60 +1293,49 @@ struct cff1 } protected: - hb_blob_t *blob; hb_sanitize_context_t sc; public: - const Encoding *encoding; - const Charset *charset; - const CFF1NameIndex *nameIndex; - const CFF1TopDictIndex *topDictIndex; - const CFF1StringIndex *stringIndex; - const CFF1Subrs *globalSubrs; - const CFF1CharStrings *charStrings; - const CFF1FDArray *fdArray; - const CFF1FDSelect *fdSelect; - unsigned int fdCount; + hb_blob_t *blob = nullptr; + const Encoding *encoding = nullptr; + const Charset *charset = nullptr; + const CFF1NameIndex *nameIndex = nullptr; + const CFF1TopDictIndex *topDictIndex = nullptr; + const CFF1StringIndex *stringIndex = nullptr; + const CFF1Subrs *globalSubrs = nullptr; + const CFF1CharStrings *charStrings = nullptr; + const CFF1FDArray *fdArray = nullptr; + const CFF1FDSelect *fdSelect = nullptr; + unsigned int fdCount = 0; cff1_top_dict_values_t topDict; hb_vector_t<cff1_font_dict_values_t> fontDicts; hb_vector_t<PRIVDICTVAL> privateDicts; - unsigned int num_glyphs; + unsigned int num_glyphs = 0; }; struct accelerator_t : accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t> { - void init (hb_face_t *face) + accelerator_t (hb_face_t *face) { SUPER::init (face); + glyph_names.set_relaxed (nullptr); + if (!is_valid ()) return; if (is_CID ()) return; - /* fill glyph_names */ - for (hb_codepoint_t gid = 0; gid < num_glyphs; gid++) - { - hb_codepoint_t sid = glyph_to_sid (gid); - gname_t gname; - gname.sid = sid; - if (sid < cff1_std_strings_length) - gname.name = cff1_std_strings (sid); - else - { - byte_str_t ustr = (*stringIndex)[sid - cff1_std_strings_length]; - gname.name = hb_bytes_t ((const char*)ustr.arrayZ, ustr.length); - } - if (unlikely (!gname.name.arrayZ)) { fini (); return; } - glyph_names.push (gname); - } - glyph_names.qsort (); } - - void fini () + ~accelerator_t () { - glyph_names.fini (); + hb_sorted_vector_t<gname_t> *names = glyph_names.get_relaxed (); + if (names) + { + names->fini (); + hb_free (names); + } SUPER::fini (); } @@ -1306,9 +1343,9 @@ struct cff1 bool get_glyph_name (hb_codepoint_t glyph, char *buf, unsigned int buf_len) const { - if (!buf) return true; if (unlikely (!is_valid ())) return false; if (is_CID()) return false; + if (unlikely (!buf_len)) return true; hb_codepoint_t sid = glyph_to_sid (glyph); const char *str; size_t str_len; @@ -1320,7 +1357,7 @@ struct cff1 } else { - byte_str_t ubyte_str = (*stringIndex)[sid - cff1_std_strings_length]; + hb_ubytes_t ubyte_str = (*stringIndex)[sid - cff1_std_strings_length]; str = (const char *)ubyte_str.arrayZ; str_len = ubyte_str.length; } @@ -1334,11 +1371,53 @@ struct cff1 bool get_glyph_from_name (const char *name, int len, hb_codepoint_t *glyph) const { + if (unlikely (!is_valid ())) return false; + if (is_CID()) return false; if (len < 0) len = strlen (name); if (unlikely (!len)) return false; + retry: + hb_sorted_vector_t<gname_t> *names = glyph_names.get_acquire (); + if (unlikely (!names)) + { + names = (hb_sorted_vector_t<gname_t> *) hb_calloc (sizeof (hb_sorted_vector_t<gname_t>), 1); + if (likely (names)) + { + names->init (); + /* TODO */ + + /* fill glyph names */ + for (hb_codepoint_t gid = 0; gid < num_glyphs; gid++) + { + hb_codepoint_t sid = glyph_to_sid (gid); + gname_t gname; + gname.sid = sid; + if (sid < cff1_std_strings_length) + gname.name = cff1_std_strings (sid); + else + { + hb_ubytes_t ustr = (*stringIndex)[sid - cff1_std_strings_length]; + gname.name = hb_bytes_t ((const char*) ustr.arrayZ, ustr.length); + } + if (unlikely (!gname.name.arrayZ)) + gname.name = hb_bytes_t ("", 0); /* To avoid nullptr. */ + names->push (gname); + } + names->qsort (); + } + if (unlikely (!glyph_names.cmpexch (nullptr, names))) + { + if (names) + { + names->fini (); + hb_free (names); + } + goto retry; + } + } + gname_t key = { hb_bytes_t (name, len), 0 }; - const gname_t *gname = glyph_names.bsearch (key); + const gname_t *gname = names ? names->bsearch (key) : nullptr; if (!gname) return false; hb_codepoint_t gid = sid_to_glyph (gname->sid); if (!gid && gname->sid) return false; @@ -1348,9 +1427,7 @@ struct cff1 HB_INTERNAL bool get_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents) const; HB_INTERNAL bool get_seac_components (hb_codepoint_t glyph, hb_codepoint_t *base, hb_codepoint_t *accent) const; -#ifdef HB_EXPERIMENTAL_API - HB_INTERNAL bool get_path (hb_font_t *font, hb_codepoint_t glyph, draw_helper_t &draw_helper) const; -#endif + HB_INTERNAL bool get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const; private: struct gname_t @@ -1362,7 +1439,7 @@ struct cff1 { const gname_t *a = (const gname_t *)a_; const gname_t *b = (const gname_t *)b_; - int minlen = hb_min (a->name.length, b->name.length); + unsigned minlen = hb_min (a->name.length, b->name.length); int ret = strncmp (a->name.arrayZ, b->name.arrayZ, minlen); if (ret) return ret; return a->name.length - b->name.length; @@ -1371,7 +1448,7 @@ struct cff1 int cmp (const gname_t &a) const { return cmp (&a, this); } }; - hb_sorted_vector_t<gname_t> glyph_names; + mutable hb_atomic_ptr_t<hb_sorted_vector_t<gname_t>> glyph_names; typedef accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t> SUPER; }; @@ -1398,7 +1475,10 @@ struct cff1 DEFINE_SIZE_STATIC (4); }; -struct cff1_accelerator_t : cff1::accelerator_t {}; +struct cff1_accelerator_t : cff1::accelerator_t { + cff1_accelerator_t (hb_face_t *face) : cff1::accelerator_t (face) {} +}; + } /* namespace OT */ #endif /* HB_OT_CFF1_TABLE_HH */ |