#define HB_OT_CFF_COMMON_HH
#include "hb-open-type.hh"
+#include "hb-bimap.hh"
#include "hb-ot-layout-common.hh"
#include "hb-cff-interp-dict-common.hh"
#include "hb-subset-plan.hh"
/* 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); }
+static inline const Type& StructAtOffsetOrNull (const void *P, unsigned int offset)
+{ return offset ? StructAtOffset<Type> (P, offset) : Null (Type); }
-inline unsigned int calcOffSize(unsigned int dataSize)
+inline unsigned int calcOffSize (unsigned int dataSize)
{
unsigned int size = 1;
unsigned int offset = dataSize + 1;
- while ((offset & ~0xFF) != 0)
+ while (offset & ~0xFF)
{
size++;
offset >>= 8;
struct code_pair_t
{
- hb_codepoint_t code;
- hb_codepoint_t glyph;
+ hb_codepoint_t code;
+ hb_codepoint_t glyph;
};
typedef hb_vector_t<unsigned char> str_buff_t;
template <typename COUNT>
struct CFFIndex
{
- 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))));
- }
-
static unsigned int calculate_offset_array_size (unsigned int offSize, unsigned int count)
{ return offSize * (count + 1); }
unsigned int offset_array_size () const
{ return calculate_offset_array_size (offSize, count); }
- static unsigned int calculate_serialized_size (unsigned int offSize, unsigned int count, unsigned int dataSize)
+ 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;
+ if (count == 0) return COUNT::static_size;
+ return min_size + calculate_offset_array_size (offSize_, count) + dataSize;
}
bool serialize (hb_serialize_context_t *c, const CFFIndex &src)
{
COUNT *dest = c->allocate_min<COUNT> ();
if (unlikely (dest == nullptr)) return_trace (false);
- dest->set (0);
+ *dest = 0;
}
else
{
/* serialize CFFIndex header */
if (unlikely (!c->extend_min (*this))) return_trace (false);
- this->count.set (byteArray.length);
- this->offSize.set (offSize_);
- if (!unlikely (c->allocate_size<HBUINT8> (offSize_ * (byteArray.length + 1))))
+ this->count = byteArray.length;
+ this->offSize = offSize_;
+ if (unlikely (!c->allocate_size<HBUINT8> (offSize_ * (byteArray.length + 1))))
return_trace (false);
/* serialize indices */
byteArray.init ();
byteArray.resize (buffArray.length);
for (unsigned int i = 0; i < byteArray.length; i++)
- {
- byteArray[i] = byte_str_t (buffArray[i].arrayZ (), buffArray[i].length);
- }
+ byteArray[i] = byte_str_t (buffArray[i].arrayZ, buffArray[i].length);
bool result = this->serialize (c, offSize_, byteArray);
byteArray.fini ();
return result;
for (; size; size--)
{
--p;
- p->set (offset & 0xFF);
+ *p = offset & 0xFF;
offset >>= 8;
}
}
unsigned int length_at (unsigned int index) const
{
- if (likely ((offset_at (index + 1) >= offset_at (index)) &&
- (offset_at (index + 1) <= offset_at (count))))
- return offset_at (index + 1) - offset_at (index);
- else
- return 0;
+ if (unlikely ((offset_at (index + 1) < offset_at (index)) ||
+ (offset_at (index + 1) > offset_at (count))))
+ return 0;
+ return offset_at (index + 1) - offset_at (index);
}
const unsigned char *data_base () const
- { return (const unsigned char *)this + min_size + offset_array_size (); }
+ { return (const unsigned char *) this + min_size + offset_array_size (); }
unsigned int data_size () const { return HBINT8::static_size; }
byte_str_t operator [] (unsigned int index) const
{
- if (likely (index < count))
- return byte_str_t (data_base () + offset_at (index) - 1, length_at (index));
- else
- return Null(byte_str_t);
+ if (unlikely (index >= count)) return Null (byte_str_t);
+ return byte_str_t (data_base () + offset_at (index) - 1, length_at (index));
}
unsigned int get_size () 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;
+ if (this == &Null (CFFIndex)) return 0;
+ if (count > 0)
+ return min_size + offset_array_size () + (offset_at (count) - 1);
+ return count.static_size; /* empty CFFIndex contains count only */
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (likely ((c->check_struct (this) && 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))));
}
protected:
}
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 */
+ 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[HB_VAR_ARRAY]; /* The array of (count + 1) offsets into objects array (1-base). */
+ /* HBUINT8 data[HB_VAR_ARRAY]; Object data */
public:
DEFINE_SIZE_ARRAY (COUNT::static_size + HBUINT8::static_size, offsets);
};
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))))
+ this->count = dataArrayLen;
+ this->offSize = offSize_;
+ if (unlikely (!c->allocate_size<HBUINT8> (offSize_ * (dataArrayLen + 1))))
return_trace (false);
/* serialize indices */
/* serialize data */
for (unsigned int i = 0; i < dataArrayLen; i++)
{
- TYPE *dest = c->start_embed<TYPE> ();
+ TYPE *dest = c->start_embed<TYPE> ();
if (unlikely (dest == nullptr ||
!dest->serialize (c, dataArray[i], param1, param2)))
return_trace (false);
const PARAM ¶m)
{
/* determine offset size */
- unsigned int totalDataSize = 0;
+ unsigned int totalDataSize = 0;
for (unsigned int i = 0; i < dataArrayLen; i++)
{
unsigned int dataSize = TYPE::calculate_serialized_size (dataArray[i], 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);
}
if (unlikely (p == nullptr)) return_trace (false);
if (Is_OpCode_ESC (op))
{
- p->set (OpCode_escape);
+ *p = OpCode_escape;
op = Unmake_OpCode_ESC (op);
p++;
}
- p->set (op);
+ *p = op;
return_trace (true);
}
{ return serialize_int_op<HBUINT16, 0, 0x7FFF> (c, op, value, OpCode_shortint); }
static bool serialize_offset4_op (hb_serialize_context_t *c, op_code_t op, int value)
- {
- return serialize_uint4_op (c, op, value);
- }
+ { return serialize_uint4_op (c, op, value); }
static bool serialize_offset2_op (hb_serialize_context_t *c, op_code_t op, int value)
- {
- return serialize_uint2_op (c, op, value);
- }
+ { return serialize_uint2_op (c, op, value); }
};
struct TopDict : Dict {};
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_t : hb_vector_t<hb_codepoint_t>
-{
- void init () { SUPER::init (); }
-
- void fini () { SUPER::fini (); }
-
- bool reset (unsigned int size)
- {
- if (unlikely (!SUPER::resize (size)))
- return false;
- for (unsigned int i = 0; i < length; i++)
- (*this)[i] = CFF_UNDEF_CODE;
- count = 0;
- return true;
- }
-
- bool identity (unsigned int size)
- {
- if (unlikely (!SUPER::resize (size)))
- return false;
- unsigned int i;
- for (i = 0; i < length; i++)
- (*this)[i] = i;
- count = i;
- return true;
- }
-
- bool excludes (hb_codepoint_t id) const
- { return (id < length) && ((*this)[id] == CFF_UNDEF_CODE); }
-
- bool includes (hb_codepoint_t id) const
- { return !excludes (id); }
-
- unsigned int add (unsigned int i)
- {
- if ((*this)[i] == CFF_UNDEF_CODE)
- (*this)[i] = count++;
- return (*this)[i];
- }
-
- hb_codepoint_t get_count () 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>
{
{
TRACE_SERIALIZE (this);
if (unlikely (!c->extend_min (*this))) return_trace (false);
- this->count.set (fontDicts.length);
- this->offSize.set (offSize_);
- if (!unlikely (c->allocate_size<HBUINT8> (offSize_ * (fontDicts.length + 1))))
+ this->count = fontDicts.length;
+ this->offSize = offSize_;
+ if (unlikely (!c->allocate_size<HBUINT8> (offSize_ * (fontDicts.length + 1))))
return_trace (false);
/* serialize font dict offsets */
- unsigned int offset = 1;
+ unsigned int offset = 1;
unsigned int fid = 0;
for (; fid < fontDicts.length; fid++)
{
unsigned int offSize_,
const hb_vector_t<DICTVAL> &fontDicts,
unsigned int fdCount,
- const remap_t &fdmap,
+ const hb_inc_bimap_t &fdmap,
OP_SERIALIZER& opszr,
const hb_vector_t<table_info_t> &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))))
+ this->count = fdCount;
+ this->offSize = 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.length; i++)
- if (fdmap.includes (i))
+ if (fdmap.has (i))
{
if (unlikely (fid >= fdCount)) return_trace (false);
CFFIndexOf<COUNT, FontDict>::set_offset_at (fid++, offset);
/* serialize font dicts */
for (unsigned int i = 0; i < fontDicts.length; i++)
- if (fdmap.includes (i))
+ if (fdmap.has (i))
{
FontDict *dict = c->start_embed<FontDict> ();
if (unlikely (!dict->serialize (c, fontDicts[i], opszr, privateInfos[fdmap[i]])))
static unsigned int calculate_serialized_size (unsigned int &offSize_ /* OUT */,
const hb_vector_t<DICTVAL> &fontDicts,
unsigned int fdCount,
- const remap_t &fdmap,
+ const hb_inc_bimap_t &fdmap,
OP_SERIALIZER& opszr)
{
unsigned int dictsSize = 0;
for (unsigned int i = 0; i < fontDicts.len; i++)
- if (fdmap.includes (i))
+ if (fdmap.has (i))
dictsSize += FontDict::calculate_serialized_size (fontDicts[i], opszr);
offSize_ = calcOffSize (dictsSize);
}
hb_codepoint_t get_fd (hb_codepoint_t glyph) const
- {
- return (hb_codepoint_t)fds[glyph];
- }
+ { return (hb_codepoint_t) fds[glyph]; }
unsigned int get_size (unsigned int num_glyphs) const
{ return HBUINT8::static_size * num_glyphs; }
- HBUINT8 fds[VAR];
+ HBUINT8 fds[HB_VAR_ARRAY];
- DEFINE_SIZE_MIN (1);
+ DEFINE_SIZE_MIN (0);
};
template <typename GID_TYPE, typename FD_TYPE>
-struct FDSelect3_4_Range {
- bool sanitize (hb_sanitize_context_t *c, const void */*nullptr*/, unsigned int fdcount) const
+struct FDSelect3_4_Range
+{
+ bool sanitize (hb_sanitize_context_t *c, const void * /*nullptr*/, unsigned int fdcount) const
{
TRACE_SANITIZE (this);
return_trace (first < c->get_num_glyphs () && (fd < fdcount));
GID_TYPE first;
FD_TYPE fd;
-
+ public:
DEFINE_SIZE_STATIC (GID_TYPE::static_size + FD_TYPE::static_size);
};
template <typename GID_TYPE, typename FD_TYPE>
-struct FDSelect3_4 {
+struct FDSelect3_4
+{
unsigned int get_size () const
{ return GID_TYPE::static_size * 2 + ranges.get_size (); }
return_trace (false);
for (unsigned int i = 1; i < nRanges (); i++)
- {
if (unlikely (ranges[i - 1].first >= ranges[i].first))
- return_trace (false);
- }
+ return_trace (false);
if (unlikely (!sentinel().sanitize (c) || (sentinel() != c->get_num_glyphs ())))
return_trace (false);
if (glyph < ranges[i].first)
break;
- return (hb_codepoint_t)ranges[i - 1].fd;
+ return (hb_codepoint_t) ranges[i - 1].fd;
}
- GID_TYPE &nRanges () { return ranges.len; }
- GID_TYPE nRanges () const { return ranges.len; }
- GID_TYPE &sentinel () { return StructAfter<GID_TYPE> (ranges[nRanges () - 1]); }
- const GID_TYPE &sentinel () const { return StructAfter<GID_TYPE> (ranges[nRanges () - 1]); }
+ GID_TYPE &nRanges () { return ranges.len; }
+ GID_TYPE nRanges () const { return ranges.len; }
+ GID_TYPE &sentinel () { return StructAfter<GID_TYPE> (ranges[nRanges () - 1]); }
+ const GID_TYPE &sentinel () const { return StructAfter<GID_TYPE> (ranges[nRanges () - 1]); }
ArrayOf<FDSelect3_4_Range<GID_TYPE, FD_TYPE>, GID_TYPE> ranges;
/* GID_TYPE sentinel */
typedef FDSelect3_4<HBUINT16, HBUINT8> FDSelect3;
typedef FDSelect3_4_Range<HBUINT16, HBUINT8> FDSelect3_Range;
-struct FDSelect {
- 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)));
- }
-
+struct FDSelect
+{
bool serialize (hb_serialize_context_t *c, const FDSelect &src, unsigned int num_glyphs)
{
TRACE_SERIALIZE (this);
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;
+ switch (format)
+ {
+ case 0: return format.static_size + u.format0.get_size (num_glyphs);
+ case 3: return format.static_size + u.format3.get_size ();
+ default:return 0;
+ }
}
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);
+ if (this == &Null (FDSelect)) return 0;
+
+ switch (format)
+ {
+ case 0: return u.format0.get_fd (glyph);
+ case 3: return u.format3.get_fd (glyph);
+ default:return 0;
+ }
}
- HBUINT8 format;
+ bool sanitize (hb_sanitize_context_t *c, unsigned int fdcount) const
+ {
+ TRACE_SANITIZE (this);
+ if (unlikely (!c->check_struct (this)))
+ return_trace (false);
+
+ switch (format)
+ {
+ case 0: return_trace (u.format0.sanitize (c, fdcount));
+ case 3: return_trace (u.format3.sanitize (c, fdcount));
+ default:return_trace (false);
+ }
+ }
+
+ HBUINT8 format;
union {
- FDSelect0 format0;
- FDSelect3 format3;
+ FDSelect0 format0;
+ FDSelect3 format3;
} u;
-
+ public:
DEFINE_SIZE_MIN (1);
};
projects / platform / upstream / harfbuzz.git / blobdiff