diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.hh | 90 |
1 files changed, 25 insertions, 65 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.hh index 8646cde58d6..075a0d4ef72 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.hh +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.hh @@ -27,9 +27,9 @@ #ifndef HB_OT_CFF2_TABLE_HH #define HB_OT_CFF2_TABLE_HH -#include "hb-ot-head-table.hh" #include "hb-ot-cff-common.hh" #include "hb-subset-cff2.hh" +#include "hb-draw.hh" namespace CFF { @@ -43,7 +43,6 @@ typedef CFFIndex<HBUINT32> CFF2Index; template <typename Type> struct CFF2IndexOf : CFFIndexOf<HBUINT32, Type> {}; typedef CFF2Index CFF2CharStrings; -typedef FDArray<HBUINT32> CFF2FDArray; typedef Subrs<HBUINT32> CFF2Subrs; typedef FDSelect3_4<HBUINT32, HBUINT16> FDSelect4; @@ -56,14 +55,11 @@ struct CFF2FDSelect TRACE_SERIALIZE (this); unsigned int size = src.get_size (num_glyphs); CFF2FDSelect *dest = c->allocate_size<CFF2FDSelect> (size); - if (unlikely (dest == nullptr)) return_trace (false); + if (unlikely (!dest)) return_trace (false); memcpy (dest, &src, size); return_trace (true); } - unsigned int calculate_serialized_size (unsigned int num_glyphs) const - { return get_size (num_glyphs); } - unsigned int get_size (unsigned int num_glyphs) const { switch (format) @@ -127,7 +123,7 @@ struct CFF2VariationStore TRACE_SERIALIZE (this); unsigned int size_ = varStore->get_size (); CFF2VariationStore *dest = c->allocate_size<CFF2VariationStore> (size_); - if (unlikely (dest == nullptr)) return_trace (false); + if (unlikely (!dest)) return_trace (false); memcpy (dest, varStore, size_); return_trace (true); } @@ -150,26 +146,6 @@ struct cff2_top_dict_values_t : top_dict_values_t<> } void fini () { top_dict_values_t<>::fini (); } - unsigned int calculate_serialized_size () const - { - unsigned int size = 0; - for (unsigned int i = 0; i < get_count (); i++) - { - op_code_t op = get_value (i).op; - switch (op) - { - case OpCode_vstore: - case OpCode_FDSelect: - size += OpCode_Size (OpCode_longintdict) + 4 + OpCode_Size (op); - break; - default: - size += top_dict_values_t<>::calculate_serialized_op_size (get_value (i)); - break; - } - } - return size; - } - unsigned int vstoreOffset; unsigned int FDSelectOffset; }; @@ -256,22 +232,11 @@ struct cff2_private_dict_values_base_t : dict_values_t<VAL> { dict_values_t<VAL>::init (); subrsOffset = 0; - localSubrs = &Null(CFF2Subrs); + localSubrs = &Null (CFF2Subrs); ivs = 0; } void fini () { dict_values_t<VAL>::fini (); } - unsigned int calculate_serialized_size () const - { - unsigned int size = 0; - for (unsigned int i = 0; i < dict_values_t<VAL>::get_count; i++) - if (dict_values_t<VAL>::get_value (i).op == OpCode_Subrs) - size += OpCode_Size (OpCode_shortint) + 2 + OpCode_Size (OpCode_Subrs); - else - size += dict_values_t<VAL>::get_value (i).str.length; - return size; - } - unsigned int subrsOffset; const CFF2Subrs *localSubrs; unsigned int ivs; @@ -404,6 +369,14 @@ struct cff2_private_dict_opset_subset_t : dict_opset_t typedef dict_interpreter_t<cff2_top_dict_opset_t, cff2_top_dict_values_t> cff2_top_dict_interpreter_t; typedef dict_interpreter_t<cff2_font_dict_opset_t, cff2_font_dict_values_t> cff2_font_dict_interpreter_t; +struct CFF2FDArray : FDArray<HBUINT32> +{ + /* FDArray::serialize does not compile without this partial specialization */ + template <typename ITER, typename OP_SERIALIZER> + bool serialize (hb_serialize_context_t *c, ITER it, OP_SERIALIZER& opszr) + { return FDArray<HBUINT32>::serialize<cff2_font_dict_values_t, table_info_t> (c, it, opszr); } +}; + } /* namespace CFF */ namespace OT { @@ -438,7 +411,7 @@ struct cff2 const OT::cff2 *cff2 = this->blob->template as<OT::cff2> (); - if (cff2 == &Null(OT::cff2)) + if (cff2 == &Null (OT::cff2)) { fini (); return; } { /* parse top dict */ @@ -456,11 +429,11 @@ struct cff2 fdArray = &StructAtOffsetOrNull<CFF2FDArray> (cff2, topDict.FDArrayOffset); fdSelect = &StructAtOffsetOrNull<CFF2FDSelect> (cff2, topDict.FDSelectOffset); - if (((varStore != &Null(CFF2VariationStore)) && unlikely (!varStore->sanitize (&sc))) || - (charStrings == &Null(CFF2CharStrings)) || unlikely (!charStrings->sanitize (&sc)) || - (globalSubrs == &Null(CFF2Subrs)) || unlikely (!globalSubrs->sanitize (&sc)) || - (fdArray == &Null(CFF2FDArray)) || unlikely (!fdArray->sanitize (&sc)) || - (((fdSelect != &Null(CFF2FDSelect)) && unlikely (!fdSelect->sanitize (&sc, fdArray->count))))) + if (((varStore != &Null (CFF2VariationStore)) && unlikely (!varStore->sanitize (&sc))) || + (charStrings == &Null (CFF2CharStrings)) || unlikely (!charStrings->sanitize (&sc)) || + (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; } num_glyphs = charStrings->count; @@ -479,7 +452,7 @@ struct cff2 cff2_font_dict_interpreter_t font_interp; font_interp.env.init (fontDictStr); font = fontDicts.push (); - if (unlikely (font == &Crap(cff2_font_dict_values_t))) { fini (); return; } + if (unlikely (font == &Crap (cff2_font_dict_values_t))) { fini (); return; } font->init (); if (unlikely (!font_interp.interpret (*font))) { fini (); return; } @@ -491,7 +464,7 @@ struct cff2 if (unlikely (!priv_interp.interpret (privateDicts[i]))) { fini (); return; } privateDicts[i].localSubrs = &StructAtOffsetOrNull<CFF2Subrs> (&privDictStr[0], privateDicts[i].subrsOffset); - if (privateDicts[i].localSubrs != &Null(CFF2Subrs) && + if (privateDicts[i].localSubrs != &Null (CFF2Subrs) && unlikely (!privateDicts[i].localSubrs->sanitize (&sc))) { fini (); return; } } @@ -507,7 +480,7 @@ struct cff2 blob = nullptr; } - bool is_valid () const { return blob != nullptr; } + bool is_valid () const { return blob; } protected: hb_blob_t *blob; @@ -533,27 +506,14 @@ struct cff2 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 }; typedef accelerator_templ_t<cff2_private_dict_opset_subset_t, cff2_private_dict_values_subset_t> accelerator_subset_t; - bool subset (hb_subset_plan_t *plan) const - { - hb_blob_t *cff2_prime = nullptr; - - bool success = true; - if (hb_subset_cff2 (plan, &cff2_prime)) { - success = success && plan->add_table (HB_OT_TAG_cff2, cff2_prime); - hb_blob_t *head_blob = hb_sanitize_context_t().reference_table<head> (plan->source); - success = success && head_blob && plan->add_table (HB_OT_TAG_head, head_blob); - hb_blob_destroy (head_blob); - } else { - success = false; - } - hb_blob_destroy (cff2_prime); - - return success; - } + bool subset (hb_subset_context_t *c) const { return hb_subset_cff2 (c); } public: FixedVersion<HBUINT8> version; /* Version of CFF2 table. set to 0x0200u */ |