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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff1-table.hh420
1 files changed, 251 insertions, 169 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff1-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff1-table.hh
index ad206511c1e..e1296c391ad 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff1-table.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff1-table.hh
@@ -27,15 +27,21 @@
#ifndef HB_OT_CFF1_TABLE_HH
#define HB_OT_CFF1_TABLE_HH
-#include "hb-ot-head-table.hh"
#include "hb-ot-cff-common.hh"
#include "hb-subset-cff1.hh"
+#include "hb-draw.hh"
+
+#define HB_STRING_ARRAY_NAME cff1_std_strings
+#define HB_STRING_ARRAY_LIST "hb-ot-cff1-std-str.hh"
+#include "hb-string-array.hh"
+#undef HB_STRING_ARRAY_LIST
+#undef HB_STRING_ARRAY_NAME
namespace CFF {
/*
* CFF -- Compact Font Format (CFF)
- * http://www.adobe.com/content/dam/acom/en/devnet/font/pdfs/5176.CFF.pdf
+ * https://www.adobe.com/content/dam/acom/en/devnet/font/pdfs/5176.CFF.pdf
*/
#define HB_OT_TAG_cff1 HB_TAG('C','F','F',' ')
@@ -49,7 +55,6 @@ template <typename Type> struct CFF1IndexOf : CFFIndexOf<HBUINT16, Type> {};
typedef CFFIndex<HBUINT16> CFF1Index;
typedef CFF1Index CFF1CharStrings;
-typedef FDArray<HBUINT16> CFF1FDArray;
typedef Subrs<HBUINT16> CFF1Subrs;
struct CFF1FDSelect : FDSelect {};
@@ -169,7 +174,7 @@ struct Encoding
TRACE_SERIALIZE (this);
unsigned int size = src.get_size ();
Encoding *dest = c->allocate_size<Encoding> (size);
- if (unlikely (dest == nullptr)) return_trace (false);
+ if (unlikely (!dest)) return_trace (false);
memcpy (dest, &src, size);
return_trace (true);
}
@@ -183,13 +188,13 @@ struct Encoding
{
TRACE_SERIALIZE (this);
Encoding *dest = c->extend_min (*this);
- if (unlikely (dest == nullptr)) return_trace (false);
+ if (unlikely (!dest)) return_trace (false);
dest->format = format | ((supp_codes.length > 0) ? 0x80 : 0);
switch (format) {
case 0:
{
Encoding0 *fmt0 = c->allocate_size<Encoding0> (Encoding0::min_size + HBUINT8::static_size * enc_count);
- if (unlikely (fmt0 == nullptr)) return_trace (false);
+ if (unlikely (!fmt0)) return_trace (false);
fmt0->nCodes () = enc_count;
unsigned int glyph = 0;
for (unsigned int i = 0; i < code_ranges.length; i++)
@@ -206,7 +211,7 @@ struct Encoding
case 1:
{
Encoding1 *fmt1 = c->allocate_size<Encoding1> (Encoding1::min_size + Encoding1_Range::static_size * code_ranges.length);
- if (unlikely (fmt1 == nullptr)) return_trace (false);
+ if (unlikely (!fmt1)) return_trace (false);
fmt1->nRanges () = code_ranges.length;
for (unsigned int i = 0; i < code_ranges.length; i++)
{
@@ -223,7 +228,7 @@ struct Encoding
if (supp_codes.length)
{
CFF1SuppEncData *suppData = c->allocate_size<CFF1SuppEncData> (CFF1SuppEncData::min_size + SuppEncoding::static_size * supp_codes.length);
- if (unlikely (suppData == nullptr)) return_trace (false);
+ if (unlikely (!suppData)) return_trace (false);
suppData->nSups () = supp_codes.length;
for (unsigned int i = 0; i < supp_codes.length; i++)
{
@@ -235,23 +240,6 @@ struct Encoding
return_trace (true);
}
- /* parallel to above: calculate the size of a subset Encoding */
- static unsigned int calculate_serialized_size (uint8_t format,
- unsigned int enc_count,
- unsigned int supp_count)
- {
- unsigned int size = min_size;
- switch (format)
- {
- case 0: size += Encoding0::min_size + HBUINT8::static_size * enc_count; break;
- case 1: size += Encoding1::min_size + Encoding1_Range::static_size * enc_count; break;
- default:return 0;
- }
- if (supp_count > 0)
- size += CFF1SuppEncData::min_size + SuppEncoding::static_size * supp_count;
- return size;
- }
-
unsigned int get_size () const
{
unsigned int size = min_size;
@@ -414,7 +402,7 @@ struct Charset1_2 {
for (unsigned int i = 0;; i++)
{
if (glyph >= num_glyphs)
- return 0;
+ return 0;
if ((ranges[i].first <= sid) && (sid <= ranges[i].first + ranges[i].nLeft))
return glyph + (sid - ranges[i].first);
glyph += (ranges[i].nLeft + 1);
@@ -457,7 +445,7 @@ struct Charset
TRACE_SERIALIZE (this);
unsigned int size = src.get_size (num_glyphs);
Charset *dest = c->allocate_size<Charset> (size);
- if (unlikely (dest == nullptr)) return_trace (false);
+ if (unlikely (!dest)) return_trace (false);
memcpy (dest, &src, size);
return_trace (true);
}
@@ -470,14 +458,14 @@ struct Charset
{
TRACE_SERIALIZE (this);
Charset *dest = c->extend_min (*this);
- if (unlikely (dest == nullptr)) return_trace (false);
+ if (unlikely (!dest)) return_trace (false);
dest->format = format;
switch (format)
{
case 0:
{
Charset0 *fmt0 = c->allocate_size<Charset0> (Charset0::min_size + HBUINT16::static_size * (num_glyphs - 1));
- if (unlikely (fmt0 == nullptr)) return_trace (false);
+ if (unlikely (!fmt0)) return_trace (false);
unsigned int glyph = 0;
for (unsigned int i = 0; i < sid_ranges.length; i++)
{
@@ -491,10 +479,10 @@ struct Charset
case 1:
{
Charset1 *fmt1 = c->allocate_size<Charset1> (Charset1::min_size + Charset1_Range::static_size * sid_ranges.length);
- if (unlikely (fmt1 == nullptr)) return_trace (false);
+ if (unlikely (!fmt1)) return_trace (false);
for (unsigned int i = 0; i < sid_ranges.length; i++)
{
- if (unlikely (!(sid_ranges[i].glyph <= 0xFF)))
+ if (unlikely (!(sid_ranges[i].glyph <= 0xFF)))
return_trace (false);
fmt1->ranges[i].first = sid_ranges[i].code;
fmt1->ranges[i].nLeft = sid_ranges[i].glyph;
@@ -505,10 +493,10 @@ struct Charset
case 2:
{
Charset2 *fmt2 = c->allocate_size<Charset2> (Charset2::min_size + Charset2_Range::static_size * sid_ranges.length);
- if (unlikely (fmt2 == nullptr)) return_trace (false);
+ if (unlikely (!fmt2)) return_trace (false);
for (unsigned int i = 0; i < sid_ranges.length; i++)
{
- if (unlikely (!(sid_ranges[i].glyph <= 0xFFFF)))
+ if (unlikely (!(sid_ranges[i].glyph <= 0xFFFF)))
return_trace (false);
fmt2->ranges[i].first = sid_ranges[i].code;
fmt2->ranges[i].nLeft = sid_ranges[i].glyph;
@@ -520,19 +508,6 @@ struct Charset
return_trace (true);
}
- /* parallel to above: calculate the size of a subset Charset */
- static unsigned int calculate_serialized_size (uint8_t format,
- unsigned int count)
- {
- switch (format)
- {
- case 0: return min_size + Charset0::min_size + HBUINT16::static_size * (count - 1);
- case 1: return min_size + Charset1::min_size + Charset1_Range::static_size * count;
- case 2: return min_size + Charset2::min_size + Charset2_Range::static_size * count;
- default:return 0;
- }
- }
-
unsigned int get_size (unsigned int num_glyphs) const
{
switch (format)
@@ -544,8 +519,9 @@ struct Charset
}
}
- hb_codepoint_t get_sid (hb_codepoint_t glyph) const
+ 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);
@@ -594,7 +570,7 @@ struct Charset
struct CFF1StringIndex : CFF1Index
{
bool serialize (hb_serialize_context_t *c, const CFF1StringIndex &strings,
- unsigned int offSize_, const hb_inc_bimap_t &sidmap)
+ const hb_inc_bimap_t &sidmap)
{
TRACE_SERIALIZE (this);
if (unlikely ((strings.count == 0) || (sidmap.get_population () == 0)))
@@ -612,30 +588,14 @@ struct CFF1StringIndex : CFF1Index
for (unsigned int i = 0; i < strings.count; i++)
{
hb_codepoint_t j = sidmap[i];
- if (j != CFF_UNDEF_CODE)
+ if (j != HB_MAP_VALUE_INVALID)
bytesArray[j] = strings[i];
}
- bool result = CFF1Index::serialize (c, offSize_, bytesArray);
+ bool result = CFF1Index::serialize (c, bytesArray);
bytesArray.fini ();
return_trace (result);
}
-
- /* in parallel to above */
- unsigned int calculate_serialized_size (unsigned int &offSize_ /*OUT*/, const hb_inc_bimap_t &sidmap) const
- {
- offSize_ = 0;
- if ((count == 0) || (sidmap.get_population () == 0))
- return count.static_size;
-
- unsigned int dataSize = 0;
- for (unsigned int i = 0; i < count; i++)
- if (sidmap[i] != CFF_UNDEF_CODE)
- dataSize += length_at (i);
-
- offSize_ = calcOffSize(dataSize);
- return CFF1Index::calculate_serialized_size (offSize_, sidmap.get_population (), dataSize);
- }
};
struct cff1_top_dict_interp_env_t : num_interp_env_t
@@ -738,7 +698,7 @@ struct cff1_top_dict_values_t : top_dict_values_t<cff1_top_dict_val_t>
unsigned int EncodingOffset;
unsigned int CharsetOffset;
unsigned int FDSelectOffset;
- table_info_t privateDictInfo;
+ table_info_t privateDictInfo;
};
struct cff1_top_dict_opset_t : top_dict_opset_t<cff1_top_dict_val_t>
@@ -880,21 +840,10 @@ struct cff1_private_dict_values_base_t : dict_values_t<VAL>
{
dict_values_t<VAL>::init ();
subrsOffset = 0;
- localSubrs = &Null(CFF1Subrs);
+ localSubrs = &Null (CFF1Subrs);
}
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 CFF1Subrs *localSubrs;
};
@@ -997,6 +946,37 @@ typedef dict_interpreter_t<cff1_font_dict_opset_t, cff1_font_dict_values_t> cff1
typedef CFF1Index CFF1NameIndex;
typedef CFF1IndexOf<TopDict> CFF1TopDictIndex;
+struct cff1_font_dict_values_mod_t
+{
+ cff1_font_dict_values_mod_t() { init (); }
+
+ void init () { init ( &Null (cff1_font_dict_values_t), CFF_UNDEF_SID ); }
+
+ void init (const cff1_font_dict_values_t *base_,
+ unsigned int fontName_)
+ {
+ base = base_;
+ fontName = fontName_;
+ privateDictInfo.init ();
+ }
+
+ unsigned get_count () const { return base->get_count (); }
+
+ const op_str_t &operator [] (unsigned int i) const { return (*base)[i]; }
+
+ const cff1_font_dict_values_t *base;
+ table_info_t privateDictInfo;
+ unsigned int fontName;
+};
+
+struct CFF1FDArray : FDArray<HBUINT16>
+{
+ /* FDArray::serialize() requires this partial specialization to compile */
+ template <typename ITER, typename OP_SERIALIZER>
+ bool serialize (hb_serialize_context_t *c, ITER it, OP_SERIALIZER& opszr)
+ { return FDArray<HBUINT16>::serialize<cff1_font_dict_values_mod_t, cff1_font_dict_values_mod_t> (c, it, opszr); }
+};
+
} /* namespace CFF */
namespace OT {
@@ -1031,7 +1011,7 @@ struct cff1
const OT::cff1 *cff = this->blob->template as<OT::cff1> ();
- if (cff == &Null(OT::cff1))
+ if (cff == &Null (OT::cff1))
{ fini (); return; }
nameIndex = &cff->nameIndex (cff);
@@ -1052,7 +1032,7 @@ struct cff1
}
if (is_predef_charset ())
- charset = &Null(Charset);
+ charset = &Null (Charset);
else
{
charset = &StructAtOffsetOrNull<Charset> (cff, topDict.CharsetOffset);
@@ -1064,16 +1044,30 @@ struct cff1
{
fdArray = &StructAtOffsetOrNull<CFF1FDArray> (cff, topDict.FDArrayOffset);
fdSelect = &StructAtOffsetOrNull<CFF1FDSelect> (cff, topDict.FDSelectOffset);
- if (unlikely ((fdArray == &Null(CFF1FDArray)) || !fdArray->sanitize (&sc) ||
- (fdSelect == &Null(CFF1FDSelect)) || !fdSelect->sanitize (&sc, fdArray->count)))
+ if (unlikely ((fdArray == &Null (CFF1FDArray)) || !fdArray->sanitize (&sc) ||
+ (fdSelect == &Null (CFF1FDSelect)) || !fdSelect->sanitize (&sc, fdArray->count)))
{ fini (); return; }
fdCount = fdArray->count;
}
else
{
- fdArray = &Null(CFF1FDArray);
- fdSelect = &Null(CFF1FDSelect);
+ fdArray = &Null (CFF1FDArray);
+ fdSelect = &Null (CFF1FDSelect);
+ }
+
+ encoding = &Null (Encoding);
+ if (is_CID ())
+ {
+ if (unlikely (charset == &Null (Charset))) { fini (); return; }
+ }
+ else
+ {
+ if (!is_predef_encoding ())
+ {
+ encoding = &StructAtOffsetOrNull<Encoding> (cff, topDict.EncodingOffset);
+ if (unlikely ((encoding == &Null (Encoding)) || !encoding->sanitize (&sc))) { fini (); return; }
+ }
}
stringIndex = &StructAtOffset<CFF1StringIndex> (topDictIndex, topDictIndex->get_size ());
@@ -1086,7 +1080,7 @@ struct cff1
charStrings = &StructAtOffsetOrNull<CFF1CharStrings> (cff, topDict.charStringsOffset);
- if ((charStrings == &Null(CFF1CharStrings)) || unlikely (!charStrings->sanitize (&sc)))
+ if ((charStrings == &Null (CFF1CharStrings)) || unlikely (!charStrings->sanitize (&sc)))
{ fini (); return; }
num_glyphs = charStrings->count;
@@ -1104,14 +1098,14 @@ struct cff1
{
byte_str_t fontDictStr = (*fdArray)[i];
if (unlikely (!fontDictStr.sanitize (&sc))) { fini (); return; }
- cff1_font_dict_values_t *font;
+ cff1_font_dict_values_t *font;
cff1_font_dict_interpreter_t font_interp;
font_interp.env.init (fontDictStr);
font = fontDicts.push ();
- if (unlikely (font == &Crap(cff1_font_dict_values_t))) { fini (); return; }
+ if (unlikely (font == &Crap (cff1_font_dict_values_t))) { fini (); return; }
font->init ();
if (unlikely (!font_interp.interpret (*font))) { fini (); return; }
- PRIVDICTVAL *priv = &privateDicts[i];
+ PRIVDICTVAL *priv = &privateDicts[i];
const byte_str_t privDictStr (StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset), font->privateDictInfo.size);
if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; }
dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp;
@@ -1120,15 +1114,15 @@ struct cff1
if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; }
priv->localSubrs = &StructAtOffsetOrNull<CFF1Subrs> (&privDictStr, priv->subrsOffset);
- if (priv->localSubrs != &Null(CFF1Subrs) &&
+ if (priv->localSubrs != &Null (CFF1Subrs) &&
unlikely (!priv->localSubrs->sanitize (&sc)))
{ fini (); return; }
}
}
else /* non-CID */
{
- cff1_top_dict_values_t *font = &topDict;
- PRIVDICTVAL *priv = &privateDicts[0];
+ 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);
if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; }
@@ -1138,7 +1132,7 @@ struct cff1
if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; }
priv->localSubrs = &StructAtOffsetOrNull<CFF1Subrs> (&privDictStr, priv->subrsOffset);
- if (priv->localSubrs != &Null(CFF1Subrs) &&
+ if (priv->localSubrs != &Null (CFF1Subrs) &&
unlikely (!priv->localSubrs->sanitize (&sc)))
{ fini (); return; }
}
@@ -1154,7 +1148,7 @@ struct cff1
blob = nullptr;
}
- bool is_valid () const { return blob != nullptr; }
+ bool is_valid () const { return blob; }
bool is_CID () const { return topDict.is_CID (); }
bool is_predef_charset () const { return topDict.CharsetOffset <= ExpertSubsetCharset; }
@@ -1165,69 +1159,18 @@ struct cff1
if (unlikely (sid == CFF_UNDEF_SID))
return 0;
- if (charset != &Null(Charset))
+ if (charset != &Null (Charset))
return charset->get_glyph (sid, num_glyphs);
else if ((topDict.CharsetOffset == ISOAdobeCharset)
&& (code <= 228 /*zcaron*/)) return sid;
return 0;
}
- protected:
- hb_blob_t *blob;
- hb_sanitize_context_t sc;
-
- public:
- 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;
-
- cff1_top_dict_values_t topDict;
- hb_vector_t<cff1_font_dict_values_t> fontDicts;
- hb_vector_t<PRIVDICTVAL> privateDicts;
-
- unsigned int num_glyphs;
- };
-
- struct accelerator_t : accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t>
- {
- 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;
- };
-
- struct accelerator_subset_t : accelerator_templ_t<cff1_private_dict_opset_subset, cff1_private_dict_values_subset_t>
- {
- void init (hb_face_t *face)
- {
- SUPER::init (face);
- if (blob == nullptr) return;
-
- const OT::cff1 *cff = this->blob->as<OT::cff1> ();
- encoding = &Null(Encoding);
- if (is_CID ())
- {
- if (unlikely (charset == &Null(Charset))) { fini (); return; }
- }
- else
- {
- if (!is_predef_encoding ())
- {
- encoding = &StructAtOffsetOrNull<Encoding> (cff, topDict.EncodingOffset);
- if (unlikely ((encoding == &Null (Encoding)) || !encoding->sanitize (&sc))) { fini (); return; }
- }
- }
- }
-
bool is_predef_encoding () const { return topDict.EncodingOffset <= ExpertEncoding; }
hb_codepoint_t glyph_to_code (hb_codepoint_t glyph) const
{
- if (encoding != &Null(Encoding))
+ if (encoding != &Null (Encoding))
return encoding->get_code (glyph);
else
{
@@ -1251,20 +1194,20 @@ struct cff1
hb_codepoint_t glyph_to_sid (hb_codepoint_t glyph) const
{
- if (charset != &Null(Charset))
- return charset->get_sid (glyph);
+ if (charset != &Null (Charset))
+ return charset->get_sid (glyph, num_glyphs);
else
{
hb_codepoint_t sid = 0;
switch (topDict.CharsetOffset)
{
- case ISOAdobeCharset:
+ case ISOAdobeCharset:
if (glyph <= 228 /*zcaron*/) sid = glyph;
break;
- case ExpertCharset:
+ case ExpertCharset:
sid = lookup_expert_charset_for_sid (glyph);
break;
- case ExpertSubsetCharset:
+ case ExpertSubsetCharset:
sid = lookup_expert_subset_charset_for_sid (glyph);
break;
default:
@@ -1274,35 +1217,174 @@ struct cff1
}
}
- const Encoding *encoding;
+ hb_codepoint_t sid_to_glyph (hb_codepoint_t sid) const
+ {
+ if (charset != &Null (Charset))
+ return charset->get_glyph (sid, num_glyphs);
+ else
+ {
+ hb_codepoint_t glyph = 0;
+ switch (topDict.CharsetOffset)
+ {
+ case ISOAdobeCharset:
+ if (sid <= 228 /*zcaron*/) glyph = sid;
+ break;
+ case ExpertCharset:
+ glyph = lookup_expert_charset_for_glyph (sid);
+ break;
+ case ExpertSubsetCharset:
+ glyph = lookup_expert_subset_charset_for_glyph (sid);
+ break;
+ default:
+ break;
+ }
+ return glyph;
+ }
+ }
- private:
- typedef accelerator_templ_t<cff1_private_dict_opset_subset, cff1_private_dict_values_subset_t> SUPER;
+ 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;
+
+ cff1_top_dict_values_t topDict;
+ hb_vector_t<cff1_font_dict_values_t>
+ fontDicts;
+ hb_vector_t<PRIVDICTVAL> privateDicts;
+
+ unsigned int num_glyphs;
};
- bool subset (hb_subset_plan_t *plan) const
+ struct accelerator_t : accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t>
{
- hb_blob_t *cff_prime = nullptr;
-
- bool success = true;
- if (hb_subset_cff1 (plan, &cff_prime)) {
- success = success && plan->add_table (HB_OT_TAG_cff1, cff_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;
+ void init (hb_face_t *face)
+ {
+ SUPER::init (face);
+
+ 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 ();
}
- hb_blob_destroy (cff_prime);
- return success;
- }
+ void fini ()
+ {
+ glyph_names.fini ();
+
+ SUPER::fini ();
+ }
+
+ 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;
+ hb_codepoint_t sid = glyph_to_sid (glyph);
+ const char *str;
+ size_t str_len;
+ if (sid < cff1_std_strings_length)
+ {
+ hb_bytes_t byte_str = cff1_std_strings (sid);
+ str = byte_str.arrayZ;
+ str_len = byte_str.length;
+ }
+ else
+ {
+ byte_str_t ubyte_str = (*stringIndex)[sid - cff1_std_strings_length];
+ str = (const char *)ubyte_str.arrayZ;
+ str_len = ubyte_str.length;
+ }
+ if (!str_len) return false;
+ unsigned int len = hb_min (buf_len - 1, str_len);
+ strncpy (buf, (const char*)str, len);
+ buf[len] = '\0';
+ return true;
+ }
+
+ bool get_glyph_from_name (const char *name, int len,
+ hb_codepoint_t *glyph) const
+ {
+ if (len < 0) len = strlen (name);
+ if (unlikely (!len)) return false;
+
+ gname_t key = { hb_bytes_t (name, len), 0 };
+ const gname_t *gname = glyph_names.bsearch (key);
+ if (!gname) return false;
+ hb_codepoint_t gid = sid_to_glyph (gname->sid);
+ if (!gid && gname->sid) return false;
+ *glyph = gid;
+ return true;
+ }
+
+ 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
+
+ private:
+ struct gname_t
+ {
+ hb_bytes_t name;
+ uint16_t sid;
+
+ static int cmp (const void *a_, const void *b_)
+ {
+ 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);
+ int ret = strncmp (a->name.arrayZ, b->name.arrayZ, minlen);
+ if (ret) return ret;
+ return a->name.length - b->name.length;
+ }
+
+ int cmp (const gname_t &a) const { return cmp (&a, this); }
+ };
+
+ hb_sorted_vector_t<gname_t> glyph_names;
+
+ typedef accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t> SUPER;
+ };
+
+ struct accelerator_subset_t : accelerator_templ_t<cff1_private_dict_opset_subset, cff1_private_dict_values_subset_t> {};
+
+ bool subset (hb_subset_context_t *c) const { return hb_subset_cff1 (c); }
protected:
HB_INTERNAL static hb_codepoint_t lookup_standard_encoding_for_code (hb_codepoint_t sid);
HB_INTERNAL static hb_codepoint_t lookup_expert_encoding_for_code (hb_codepoint_t sid);
HB_INTERNAL static hb_codepoint_t lookup_expert_charset_for_sid (hb_codepoint_t glyph);
HB_INTERNAL static hb_codepoint_t lookup_expert_subset_charset_for_sid (hb_codepoint_t glyph);
+ HB_INTERNAL static hb_codepoint_t lookup_expert_charset_for_glyph (hb_codepoint_t sid);
+ HB_INTERNAL static hb_codepoint_t lookup_expert_subset_charset_for_glyph (hb_codepoint_t sid);
HB_INTERNAL static hb_codepoint_t lookup_standard_encoding_for_sid (hb_codepoint_t code);
public: