--- /dev/null
- c->check_array (data_base (), 1, max_offset () - 1))));
+/*
+ * Copyright © 2018 Adobe Inc.
+ *
+ * This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Adobe Author(s): Michiharu Ariza
+ */
+#ifndef HB_OT_CFF_COMMON_HH
+#define HB_OT_CFF_COMMON_HH
+
+#include "hb-open-type.hh"
+#include "hb-ot-layout-common.hh"
+#include "hb-cff-interp-dict-common.hh"
+#include "hb-subset-plan.hh"
+
+namespace CFF {
+
+using namespace OT;
+
+#define CFF_UNDEF_CODE 0xFFFFFFFF
+
+/* utility macro */
+template<typename Type>
+static inline const Type& StructAtOffsetOrNull(const void *P, unsigned int offset)
+{ return offset? (* reinterpret_cast<const Type*> ((const char *) P + offset)): Null(Type); }
+
+inline unsigned int calcOffSize(unsigned int dataSize)
+{
+ unsigned int size = 1;
+ unsigned int offset = dataSize + 1;
+ while ((offset & ~0xFF) != 0)
+ {
+ size++;
+ offset >>= 8;
+ }
+ assert (size <= 4);
+ return size;
+}
+
+struct code_pair
+{
+ hb_codepoint_t code;
+ hb_codepoint_t glyph;
+};
+
+typedef hb_vector_t<char, 1> StrBuff;
+struct StrBuffArray : hb_vector_t<StrBuff>
+{
+ inline void fini (void)
+ {
+ SUPER::fini_deep ();
+ }
+
+ inline unsigned int total_size (void) const
+ {
+ unsigned int size = 0;
+ for (unsigned int i = 0; i < len; i++)
+ size += (*this)[i].len;
+ return size;
+ }
+
+ private:
+ typedef hb_vector_t<StrBuff> SUPER;
+};
+
+/* CFF INDEX */
+template <typename COUNT>
+struct CFFIndex
+{
+ inline bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (likely ((count.sanitize (c) && count == 0) || /* empty INDEX */
+ (c->check_struct (this) && offSize >= 1 && offSize <= 4 &&
+ c->check_array (offsets, offSize, count + 1) &&
++ c->check_array ((const HBUINT8*)data_base (), 1, max_offset () - 1))));
+ }
+
+ inline static unsigned int calculate_offset_array_size (unsigned int offSize, unsigned int count)
+ { return offSize * (count + 1); }
+
+ inline unsigned int offset_array_size (void) const
+ { return calculate_offset_array_size (offSize, count); }
+
+ inline static unsigned int calculate_serialized_size (unsigned int offSize, unsigned int count, unsigned int dataSize)
+ {
+ if (count == 0)
+ return COUNT::static_size;
+ else
+ return min_size + calculate_offset_array_size (offSize, count) + dataSize;
+ }
+
+ inline bool serialize (hb_serialize_context_t *c, const CFFIndex &src)
+ {
+ TRACE_SERIALIZE (this);
+ unsigned int size = src.get_size ();
+ CFFIndex *dest = c->allocate_size<CFFIndex> (size);
+ if (unlikely (dest == nullptr)) return_trace (false);
+ memcpy (dest, &src, size);
+ return_trace (true);
+ }
+
+ inline bool serialize (hb_serialize_context_t *c,
+ unsigned int offSize_,
+ const ByteStrArray &byteArray)
+ {
+ TRACE_SERIALIZE (this);
+ if (byteArray.len == 0)
+ {
+ COUNT *dest = c->allocate_min<COUNT> ();
+ if (unlikely (dest == nullptr)) return_trace (false);
+ dest->set (0);
+ }
+ else
+ {
+ /* serialize CFFIndex header */
+ if (unlikely (!c->extend_min (*this))) return_trace (false);
+ this->count.set (byteArray.len);
+ this->offSize.set (offSize_);
+ if (!unlikely (c->allocate_size<HBUINT8> (offSize_ * (byteArray.len + 1))))
+ return_trace (false);
+
+ /* serialize indices */
+ unsigned int offset = 1;
+ unsigned int i = 0;
+ for (; i < byteArray.len; i++)
+ {
+ set_offset_at (i, offset);
+ offset += byteArray[i].get_size ();
+ }
+ set_offset_at (i, offset);
+
+ /* serialize data */
+ for (unsigned int i = 0; i < byteArray.len; i++)
+ {
+ ByteStr *dest = c->start_embed<ByteStr> ();
+ if (unlikely (dest == nullptr ||
+ !dest->serialize (c, byteArray[i])))
+ return_trace (false);
+ }
+ }
+ return_trace (true);
+ }
+
+ inline bool serialize (hb_serialize_context_t *c,
+ unsigned int offSize_,
+ const StrBuffArray &buffArray)
+ {
+ ByteStrArray byteArray;
+ byteArray.init ();
+ byteArray.resize (buffArray.len);
+ for (unsigned int i = 0; i < byteArray.len; i++)
+ {
+ byteArray[i] = ByteStr (buffArray[i].arrayZ (), buffArray[i].len);
+ }
+ bool result = this->serialize (c, offSize_, byteArray);
+ byteArray.fini ();
+ return result;
+ }
+
+ inline void set_offset_at (unsigned int index, unsigned int offset)
+ {
+ HBUINT8 *p = offsets + offSize * index + offSize;
+ unsigned int size = offSize;
+ for (; size; size--)
+ {
+ --p;
+ p->set (offset & 0xFF);
+ offset >>= 8;
+ }
+ }
+
+ inline unsigned int offset_at (unsigned int index) const
+ {
+ assert (index <= count);
+ const HBUINT8 *p = offsets + offSize * index;
+ unsigned int size = offSize;
+ unsigned int offset = 0;
+ for (; size; size--)
+ offset = (offset << 8) + *p++;
+ return offset;
+ }
+
+ inline unsigned int length_at (unsigned int index) const
+ { return offset_at (index + 1) - offset_at (index); }
+
+ inline const char *data_base (void) const
+ { return (const char *)this + min_size + offset_array_size (); }
+
+ inline unsigned int data_size (void) const
+ { return HBINT8::static_size; }
+
+ ByteStr operator [] (unsigned int index) const
+ {
+ if (likely (index < count))
+ return ByteStr (data_base () + offset_at (index) - 1, offset_at (index + 1) - offset_at (index));
+ else
+ return Null(ByteStr);
+ }
+
+ inline unsigned int get_size (void) const
+ {
+ if (this != &Null(CFFIndex))
+ {
+ if (count > 0)
+ return min_size + offset_array_size () + (offset_at (count) - 1);
+ else
+ return count.static_size; /* empty CFFIndex contains count only */
+ }
+ else
+ return 0;
+ }
+
+ protected:
+ inline unsigned int max_offset (void) const
+ {
+ unsigned int max = 0;
+ for (unsigned int i = 0; i <= count; i++)
+ {
+ unsigned int off = offset_at (i);
+ if (off > max) max = off;
+ }
+ return max;
+ }
+
+ public:
+ COUNT count; /* Number of object data. Note there are (count+1) offsets */
+ HBUINT8 offSize; /* The byte size of each offset in the offsets array. */
+ HBUINT8 offsets[VAR]; /* The array of (count + 1) offsets into objects array (1-base). */
+ /* HBUINT8 data[VAR]; Object data */
+ public:
+ DEFINE_SIZE_ARRAY (COUNT::static_size + HBUINT8::static_size, offsets);
+};
+
+template <typename COUNT, typename TYPE>
+struct CFFIndexOf : CFFIndex<COUNT>
+{
+ inline const ByteStr operator [] (unsigned int index) const
+ {
+ if (likely (index < CFFIndex<COUNT>::count))
+ return ByteStr (CFFIndex<COUNT>::data_base () + CFFIndex<COUNT>::offset_at (index) - 1, CFFIndex<COUNT>::length_at (index));
+ return Null(ByteStr);
+ }
+
+ template <typename DATA, typename PARAM1, typename PARAM2>
+ inline bool serialize (hb_serialize_context_t *c,
+ unsigned int offSize_,
+ const DATA *dataArray,
+ unsigned int dataArrayLen,
+ const hb_vector_t<unsigned int> &dataSizeArray,
+ const PARAM1 ¶m1,
+ const PARAM2 ¶m2)
+ {
+ TRACE_SERIALIZE (this);
+ /* serialize CFFIndex header */
+ if (unlikely (!c->extend_min (*this))) return_trace (false);
+ this->count.set (dataArrayLen);
+ this->offSize.set (offSize_);
+ if (!unlikely (c->allocate_size<HBUINT8> (offSize_ * (dataArrayLen + 1))))
+ return_trace (false);
+
+ /* serialize indices */
+ unsigned int offset = 1;
+ unsigned int i = 0;
+ for (; i < dataArrayLen; i++)
+ {
+ CFFIndex<COUNT>::set_offset_at (i, offset);
+ offset += dataSizeArray[i];
+ }
+ CFFIndex<COUNT>::set_offset_at (i, offset);
+
+ /* serialize data */
+ for (unsigned int i = 0; i < dataArrayLen; i++)
+ {
+ TYPE *dest = c->start_embed<TYPE> ();
+ if (unlikely (dest == nullptr ||
+ !dest->serialize (c, dataArray[i], param1, param2)))
+ return_trace (false);
+ }
+ return_trace (true);
+ }
+
+ /* in parallel to above */
+ template <typename DATA, typename PARAM>
+ inline static unsigned int calculate_serialized_size (unsigned int &offSize_ /* OUT */,
+ const DATA *dataArray,
+ unsigned int dataArrayLen,
+ hb_vector_t<unsigned int> &dataSizeArray, /* OUT */
+ const PARAM ¶m)
+ {
+ /* determine offset size */
+ unsigned int totalDataSize = 0;
+ for (unsigned int i = 0; i < dataArrayLen; i++)
+ {
+ unsigned int dataSize = TYPE::calculate_serialized_size (dataArray[i], param);
+ dataSizeArray[i] = dataSize;
+ totalDataSize += dataSize;
+ }
+ offSize_ = calcOffSize (totalDataSize);
+
+ return CFFIndex<COUNT>::calculate_serialized_size (offSize_, dataArrayLen, totalDataSize);
+ }
+};
+
+/* Top Dict, Font Dict, Private Dict */
+struct Dict : UnsizedByteStr
+{
+ template <typename DICTVAL, typename OP_SERIALIZER, typename PARAM>
+ inline bool serialize (hb_serialize_context_t *c,
+ const DICTVAL &dictval,
+ OP_SERIALIZER& opszr,
+ PARAM& param)
+ {
+ TRACE_SERIALIZE (this);
+ for (unsigned int i = 0; i < dictval.get_count (); i++)
+ {
+ if (unlikely (!opszr.serialize (c, dictval[i], param)))
+ return_trace (false);
+ }
+ return_trace (true);
+ }
+
+ /* in parallel to above */
+ template <typename DICTVAL, typename OP_SERIALIZER, typename PARAM>
+ inline static unsigned int calculate_serialized_size (const DICTVAL &dictval,
+ OP_SERIALIZER& opszr,
+ PARAM& param)
+ {
+ unsigned int size = 0;
+ for (unsigned int i = 0; i < dictval.get_count (); i++)
+ size += opszr.calculate_serialized_size (dictval[i], param);
+ return size;
+ }
+
+ template <typename DICTVAL, typename OP_SERIALIZER>
+ inline static unsigned int calculate_serialized_size (const DICTVAL &dictval,
+ OP_SERIALIZER& opszr)
+ {
+ unsigned int size = 0;
+ for (unsigned int i = 0; i < dictval.get_count (); i++)
+ size += opszr.calculate_serialized_size (dictval[i]);
+ return size;
+ }
+
+ template <typename INTTYPE, int minVal, int maxVal>
+ inline static bool serialize_int_op (hb_serialize_context_t *c, OpCode op, int value, OpCode intOp)
+ {
+ // XXX: not sure why but LLVM fails to compile the following 'unlikely' macro invocation
+ if (/*unlikely*/ (!serialize_int<INTTYPE, minVal, maxVal> (c, intOp, value)))
+ return false;
+
+ TRACE_SERIALIZE (this);
+ /* serialize the opcode */
+ HBUINT8 *p = c->allocate_size<HBUINT8> (OpCode_Size (op));
+ if (unlikely (p == nullptr)) return_trace (false);
+ if (Is_OpCode_ESC (op))
+ {
+ p->set (OpCode_escape);
+ op = Unmake_OpCode_ESC (op);
+ p++;
+ }
+ p->set (op);
+ return_trace (true);
+ }
+
+ inline static bool serialize_uint4_op (hb_serialize_context_t *c, OpCode op, int value)
+ { return serialize_int_op<HBUINT32, 0, 0x7FFFFFFF> (c, op, value, OpCode_longintdict); }
+
+ inline static bool serialize_uint2_op (hb_serialize_context_t *c, OpCode op, int value)
+ { return serialize_int_op<HBUINT16, 0, 0x7FFF> (c, op, value, OpCode_shortint); }
+
+ inline static bool serialize_offset4_op (hb_serialize_context_t *c, OpCode op, int value)
+ {
+ if (value == 0) return true;
+ return serialize_uint4_op (c, op, value);
+ }
+
+ inline static bool serialize_offset2_op (hb_serialize_context_t *c, OpCode op, int value)
+ {
+ if (value == 0) return true;
+ return serialize_uint2_op (c, op, value);
+ }
+};
+
+struct TopDict : Dict {};
+struct FontDict : Dict {};
+struct PrivateDict : Dict {};
+
+struct TableInfo
+{
+ void init (void) { offSize = offset = size = 0; }
+
+ unsigned int offset;
+ unsigned int size;
+ unsigned int offSize;
+};
+
+/* used to remap font index or SID from fullset to subset.
+ * set to CFF_UNDEF_CODE if excluded from subset */
+struct Remap : hb_vector_t<hb_codepoint_t>
+{
+ inline void init (void)
+ { SUPER::init (); }
+
+ inline void fini (void)
+ { SUPER::fini (); }
+
+ inline bool reset (unsigned int size)
+ {
+ if (unlikely (!SUPER::resize (size)))
+ return false;
+ for (unsigned int i = 0; i < len; i++)
+ (*this)[i] = CFF_UNDEF_CODE;
+ count = 0;
+ return true;
+ }
+
+ inline bool excludes (hb_codepoint_t id) const
+ { return (id < len) && ((*this)[id] == CFF_UNDEF_CODE); }
+
+ inline bool includes (hb_codepoint_t id) const
+ { return !excludes (id); }
+
+ inline unsigned int add (unsigned int i)
+ {
+ if ((*this)[i] == CFF_UNDEF_CODE)
+ (*this)[i] = count++;
+ return (*this)[i];
+ }
+
+ inline hb_codepoint_t get_count (void) const
+ { return count; }
+
+ protected:
+ hb_codepoint_t count;
+
+ private:
+ typedef hb_vector_t<hb_codepoint_t> SUPER;
+};
+
+template <typename COUNT>
+struct FDArray : CFFIndexOf<COUNT, FontDict>
+{
+ /* used by CFF1 */
+ template <typename DICTVAL, typename OP_SERIALIZER>
+ inline bool serialize (hb_serialize_context_t *c,
+ unsigned int offSize_,
+ const hb_vector_t<DICTVAL> &fontDicts,
+ OP_SERIALIZER& opszr)
+ {
+ TRACE_SERIALIZE (this);
+ if (unlikely (!c->extend_min (*this))) return_trace (false);
+ this->count.set (fontDicts.len);
+ this->offSize.set (offSize_);
+ if (!unlikely (c->allocate_size<HBUINT8> (offSize_ * (fontDicts.len + 1))))
+ return_trace (false);
+
+ /* serialize font dict offsets */
+ unsigned int offset = 1;
+ unsigned int fid = 0;
+ for (; fid < fontDicts.len; fid++)
+ {
+ CFFIndexOf<COUNT, FontDict>::set_offset_at (fid, offset);
+ offset += FontDict::calculate_serialized_size (fontDicts[fid], opszr);
+ }
+ CFFIndexOf<COUNT, FontDict>::set_offset_at (fid, offset);
+
+ /* serialize font dicts */
+ for (unsigned int i = 0; i < fontDicts.len; i++)
+ {
+ FontDict *dict = c->start_embed<FontDict> ();
+ if (unlikely (!dict->serialize (c, fontDicts[i], opszr, fontDicts[i])))
+ return_trace (false);
+ }
+ return_trace (true);
+ }
+
+ /* used by CFF2 */
+ template <typename DICTVAL, typename OP_SERIALIZER>
+ inline bool serialize (hb_serialize_context_t *c,
+ unsigned int offSize_,
+ const hb_vector_t<DICTVAL> &fontDicts,
+ unsigned int fdCount,
+ const Remap &fdmap,
+ OP_SERIALIZER& opszr,
+ const hb_vector_t<TableInfo> &privateInfos)
+ {
+ TRACE_SERIALIZE (this);
+ if (unlikely (!c->extend_min (*this))) return_trace (false);
+ this->count.set (fdCount);
+ this->offSize.set (offSize_);
+ if (!unlikely (c->allocate_size<HBUINT8> (offSize_ * (fdCount + 1))))
+ return_trace (false);
+
+ /* serialize font dict offsets */
+ unsigned int offset = 1;
+ unsigned int fid = 0;
+ for (unsigned i = 0; i < fontDicts.len; i++)
+ if (fdmap.includes (i))
+ {
+ CFFIndexOf<COUNT, FontDict>::set_offset_at (fid++, offset);
+ offset += FontDict::calculate_serialized_size (fontDicts[i], opszr);
+ }
+ CFFIndexOf<COUNT, FontDict>::set_offset_at (fid, offset);
+
+ /* serialize font dicts */
+ for (unsigned int i = 0; i < fontDicts.len; i++)
+ if (fdmap.includes (i))
+ {
+ FontDict *dict = c->start_embed<FontDict> ();
+ if (unlikely (!dict->serialize (c, fontDicts[i], opszr, privateInfos[fdmap[i]])))
+ return_trace (false);
+ }
+ return_trace (true);
+ }
+
+ /* in parallel to above */
+ template <typename OP_SERIALIZER, typename DICTVAL>
+ inline static unsigned int calculate_serialized_size (unsigned int &offSize_ /* OUT */,
+ const hb_vector_t<DICTVAL> &fontDicts,
+ unsigned int fdCount,
+ const Remap &fdmap,
+ OP_SERIALIZER& opszr)
+ {
+ unsigned int dictsSize = 0;
+ for (unsigned int i = 0; i < fontDicts.len; i++)
+ if (fdmap.includes (i))
+ dictsSize += FontDict::calculate_serialized_size (fontDicts[i], opszr);
+
+ offSize_ = calcOffSize (dictsSize);
+ return CFFIndex<COUNT>::calculate_serialized_size (offSize_, fdCount, dictsSize);
+ }
+};
+
+/* FDSelect */
+struct FDSelect0 {
+ inline bool sanitize (hb_sanitize_context_t *c, unsigned int fdcount) const
+ {
+ TRACE_SANITIZE (this);
+ if (unlikely (!(c->check_struct (this))))
+ return_trace (false);
+ for (unsigned int i = 0; i < c->get_num_glyphs (); i++)
+ if (unlikely (!fds[i].sanitize (c)))
+ return_trace (false);
+
+ return_trace (true);
+ }
+
+ inline hb_codepoint_t get_fd (hb_codepoint_t glyph) const
+ {
+ return (hb_codepoint_t)fds[glyph];
+ }
+
+ inline unsigned int get_size (unsigned int num_glyphs) const
+ { return HBUINT8::static_size * num_glyphs; }
+
+ HBUINT8 fds[VAR];
+
+ DEFINE_SIZE_MIN (1);
+};
+
+template <typename GID_TYPE, typename FD_TYPE>
+struct FDSelect3_4_Range {
+ inline bool sanitize (hb_sanitize_context_t *c, unsigned int fdcount) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (likely (c->check_struct (this) && (first < c->get_num_glyphs ()) && (fd < fdcount)));
+ }
+
+ GID_TYPE first;
+ FD_TYPE fd;
+
+ DEFINE_SIZE_STATIC (GID_TYPE::static_size + FD_TYPE::static_size);
+};
+
+template <typename GID_TYPE, typename FD_TYPE>
+struct FDSelect3_4 {
+ inline unsigned int get_size (void) const
+ { return GID_TYPE::static_size * 2 + FDSelect3_4_Range<GID_TYPE, FD_TYPE>::static_size * nRanges; }
+
+ inline bool sanitize (hb_sanitize_context_t *c, unsigned int fdcount) const
+ {
+ TRACE_SANITIZE (this);
+ if (unlikely (!(c->check_struct (this) && (nRanges > 0) && (ranges[0].first == 0))))
+ return_trace (false);
+
+ for (unsigned int i = 0; i < nRanges; i++)
+ {
+ if (unlikely (!ranges[i].sanitize (c, fdcount)))
+ return_trace (false);
+ if ((0 < i) && unlikely (ranges[i - 1].first >= ranges[i].first))
+ return_trace (false);
+ }
+ if (unlikely (!sentinel().sanitize (c) || (sentinel() != c->get_num_glyphs ())))
+ return_trace (false);
+
+ return_trace (true);
+ }
+
+ inline hb_codepoint_t get_fd (hb_codepoint_t glyph) const
+ {
+ unsigned int i;
+ for (i = 1; i < nRanges; i++)
+ if (glyph < ranges[i].first)
+ break;
+
+ return (hb_codepoint_t)ranges[i - 1].fd;
+ }
+
+ inline GID_TYPE &sentinel (void) { return StructAfter<GID_TYPE> (ranges[nRanges - 1]); }
+ inline const GID_TYPE &sentinel (void) const { return StructAfter<GID_TYPE> (ranges[nRanges - 1]); }
+
+ GID_TYPE nRanges;
+ FDSelect3_4_Range<GID_TYPE, FD_TYPE> ranges[VAR];
+ /* GID_TYPE sentinel */
+
+ DEFINE_SIZE_ARRAY (GID_TYPE::static_size, ranges);
+};
+
+typedef FDSelect3_4<HBUINT16, HBUINT8> FDSelect3;
+typedef FDSelect3_4_Range<HBUINT16, HBUINT8> FDSelect3_Range;
+
+struct FDSelect {
+ inline bool sanitize (hb_sanitize_context_t *c, unsigned int fdcount) const
+ {
+ TRACE_SANITIZE (this);
+
+ return_trace (likely (c->check_struct (this) && (format == 0 || format == 3) &&
+ (format == 0)?
+ u.format0.sanitize (c, fdcount):
+ u.format3.sanitize (c, fdcount)));
+ }
+
+ inline bool serialize (hb_serialize_context_t *c, const FDSelect &src, unsigned int num_glyphs)
+ {
+ TRACE_SERIALIZE (this);
+ unsigned int size = src.get_size (num_glyphs);
+ FDSelect *dest = c->allocate_size<FDSelect> (size);
+ if (unlikely (dest == nullptr)) return_trace (false);
+ memcpy (dest, &src, size);
+ return_trace (true);
+ }
+
+ inline unsigned int calculate_serialized_size (unsigned int num_glyphs) const
+ { return get_size (num_glyphs); }
+
+ inline unsigned int get_size (unsigned int num_glyphs) const
+ {
+ unsigned int size = format.static_size;
+ if (format == 0)
+ size += u.format0.get_size (num_glyphs);
+ else
+ size += u.format3.get_size ();
+ return size;
+ }
+
+ inline hb_codepoint_t get_fd (hb_codepoint_t glyph) const
+ {
+ if (this == &Null(FDSelect))
+ return 0;
+ if (format == 0)
+ return u.format0.get_fd (glyph);
+ else
+ return u.format3.get_fd (glyph);
+ }
+
+ HBUINT8 format;
+ union {
+ FDSelect0 format0;
+ FDSelect3 format3;
+ } u;
+
+ DEFINE_SIZE_MIN (1);
+};
+
+template <typename COUNT>
+struct Subrs : CFFIndex<COUNT>
+{
+ typedef COUNT count_type;
+ typedef CFFIndex<COUNT> SUPER;
+};
+
+} /* namespace CFF */
+
+#endif /* HB_OT_CFF_COMMON_HH */
projects / platform / upstream / libHarfBuzzSharp.git / commitdiff