diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh | 111 |
1 files changed, 60 insertions, 51 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh index 829217feaa..b9a8819ab8 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh @@ -30,6 +30,7 @@ #include "hb-ot-cff-common.hh" #include "hb-subset-cff2.hh" #include "hb-draw.hh" +#include "hb-paint.hh" namespace CFF { @@ -56,7 +57,7 @@ struct CFF2FDSelect unsigned int size = src.get_size (num_glyphs); CFF2FDSelect *dest = c->allocate_size<CFF2FDSelect> (size); if (unlikely (!dest)) return_trace (false); - memcpy (dest, &src, size); + hb_memcpy (dest, &src, size); return_trace (true); } @@ -124,7 +125,7 @@ struct CFF2VariationStore unsigned int size_ = varStore->get_size (); CFF2VariationStore *dest = c->allocate_size<CFF2VariationStore> (size_); if (unlikely (!dest)) return_trace (false); - memcpy (dest, varStore, size_); + hb_memcpy (dest, varStore, size_); return_trace (true); } @@ -247,12 +248,8 @@ typedef cff2_private_dict_values_base_t<num_dict_val_t> cff2_private_dict_values struct cff2_priv_dict_interp_env_t : num_interp_env_t { - void init (const byte_str_t &str) - { - num_interp_env_t::init (str); - ivs = 0; - seen_vsindex = false; - } + cff2_priv_dict_interp_env_t (const hb_ubytes_t &str) : + num_interp_env_t (str) {} void process_vsindex () { @@ -267,8 +264,8 @@ struct cff2_priv_dict_interp_env_t : num_interp_env_t void set_ivs (unsigned int ivs_) { ivs = ivs_; } protected: - unsigned int ivs; - bool seen_vsindex; + unsigned int ivs = 0; + bool seen_vsindex = false; }; struct cff2_private_dict_opset_t : dict_opset_t @@ -286,9 +283,6 @@ struct cff2_private_dict_opset_t : dict_opset_t case OpCode_BlueFuzz: case OpCode_ExpansionFactor: case OpCode_LanguageGroup: - val.single_val = env.argStack.pop_num (); - env.clear_args (); - break; case OpCode_BlueValues: case OpCode_OtherBlues: case OpCode_FamilyBlues: @@ -397,7 +391,7 @@ struct cff2 template <typename PRIVOPSET, typename PRIVDICTVAL> struct accelerator_templ_t { - void init (hb_face_t *face) + accelerator_templ_t (hb_face_t *face) { topDict.init (); fontDicts.init (); @@ -412,15 +406,15 @@ struct cff2 const OT::cff2 *cff2 = this->blob->template as<OT::cff2> (); if (cff2 == &Null (OT::cff2)) - { fini (); return; } + goto fail; { /* parse top dict */ - byte_str_t topDictStr (cff2 + cff2->topDict, cff2->topDictSize); - if (unlikely (!topDictStr.sanitize (&sc))) { fini (); return; } - cff2_top_dict_interpreter_t top_interp; - top_interp.env.init (topDictStr); + hb_ubytes_t topDictStr = (cff2 + cff2->topDict).as_ubytes (cff2->topDictSize); + if (unlikely (!topDictStr.sanitize (&sc))) goto fail; + num_interp_env_t env (topDictStr); + cff2_top_dict_interpreter_t top_interp (env); topDict.init (); - if (unlikely (!top_interp.interpret (topDict))) { fini (); return; } + if (unlikely (!top_interp.interpret (topDict))) goto fail; } globalSubrs = &StructAtOffset<CFF2Subrs> (cff2, cff2->topDict + cff2->topDictSize); @@ -434,82 +428,94 @@ struct cff2 (globalSubrs == &Null (CFF2Subrs)) || unlikely (!globalSubrs->sanitize (&sc)) || (fdArray == &Null (CFF2FDArray)) || unlikely (!fdArray->sanitize (&sc)) || (((fdSelect != &Null (CFF2FDSelect)) && unlikely (!fdSelect->sanitize (&sc, fdArray->count))))) - { fini (); return; } + goto fail; num_glyphs = charStrings->count; if (num_glyphs != sc.get_num_glyphs ()) - { fini (); return; } + goto fail; fdCount = fdArray->count; if (!privateDicts.resize (fdCount)) - { fini (); return; } + goto fail; /* parse font dicts and gather private dicts */ for (unsigned int i = 0; i < fdCount; i++) { - const byte_str_t fontDictStr = (*fdArray)[i]; - if (unlikely (!fontDictStr.sanitize (&sc))) { fini (); return; } + const hb_ubytes_t fontDictStr = (*fdArray)[i]; + if (unlikely (!fontDictStr.sanitize (&sc))) goto fail; cff2_font_dict_values_t *font; - cff2_font_dict_interpreter_t font_interp; - font_interp.env.init (fontDictStr); + num_interp_env_t env (fontDictStr); + cff2_font_dict_interpreter_t font_interp (env); font = fontDicts.push (); - if (unlikely (font == &Crap (cff2_font_dict_values_t))) { fini (); return; } + if (unlikely (font == &Crap (cff2_font_dict_values_t))) goto fail; font->init (); - if (unlikely (!font_interp.interpret (*font))) { fini (); return; } + if (unlikely (!font_interp.interpret (*font))) goto fail; - const byte_str_t privDictStr (StructAtOffsetOrNull<UnsizedByteStr> (cff2, font->privateDictInfo.offset), font->privateDictInfo.size); - if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; } - dict_interpreter_t<PRIVOPSET, PRIVDICTVAL, cff2_priv_dict_interp_env_t> priv_interp; - priv_interp.env.init(privDictStr); + const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff2, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size); + if (unlikely (!privDictStr.sanitize (&sc))) goto fail; + cff2_priv_dict_interp_env_t env2 (privDictStr); + dict_interpreter_t<PRIVOPSET, PRIVDICTVAL, cff2_priv_dict_interp_env_t> priv_interp (env2); privateDicts[i].init (); - if (unlikely (!priv_interp.interpret (privateDicts[i]))) { fini (); return; } + if (unlikely (!priv_interp.interpret (privateDicts[i]))) goto fail; privateDicts[i].localSubrs = &StructAtOffsetOrNull<CFF2Subrs> (&privDictStr[0], privateDicts[i].subrsOffset); if (privateDicts[i].localSubrs != &Null (CFF2Subrs) && unlikely (!privateDicts[i].localSubrs->sanitize (&sc))) - { fini (); return; } + goto fail; } - } - void fini () + + return; + + fail: + _fini (); + } + ~accelerator_templ_t () { _fini (); } + void _fini () { sc.end_processing (); topDict.fini (); - fontDicts.fini_deep (); - privateDicts.fini_deep (); + fontDicts.fini (); + privateDicts.fini (); hb_blob_destroy (blob); blob = nullptr; } + hb_map_t *create_glyph_to_sid_map () const + { + return nullptr; + } + bool is_valid () const { return blob; } protected: - hb_blob_t *blob; hb_sanitize_context_t sc; public: + hb_blob_t *blob = nullptr; cff2_top_dict_values_t topDict; - const CFF2Subrs *globalSubrs; - const CFF2VariationStore *varStore; - const CFF2CharStrings *charStrings; - const CFF2FDArray *fdArray; - const CFF2FDSelect *fdSelect; - unsigned int fdCount; + const CFF2Subrs *globalSubrs = nullptr; + const CFF2VariationStore *varStore = nullptr; + const CFF2CharStrings *charStrings = nullptr; + const CFF2FDArray *fdArray = nullptr; + const CFF2FDSelect *fdSelect = nullptr; + unsigned int fdCount = 0; hb_vector_t<cff2_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<cff2_private_dict_opset_t, cff2_private_dict_values_t> { + accelerator_t (hb_face_t *face) : accelerator_templ_t (face) {} + HB_INTERNAL bool get_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents) 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 paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data, hb_color_t foreground) const; + HB_INTERNAL bool get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const; }; typedef accelerator_templ_t<cff2_private_dict_opset_subset_t, cff2_private_dict_values_subset_t> accelerator_subset_t; @@ -525,7 +531,10 @@ struct cff2 DEFINE_SIZE_STATIC (5); }; -struct cff2_accelerator_t : cff2::accelerator_t {}; +struct cff2_accelerator_t : cff2::accelerator_t { + cff2_accelerator_t (hb_face_t *face) : cff2::accelerator_t (face) {} +}; + } /* namespace OT */ #endif /* HB_OT_CFF2_TABLE_HH */ |