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[gvar] minor

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This commit is contained in:
Ebrahim Byagowi 2019-10-05 23:58:52 +03:30
parent 5752863640
commit 21c80d955f
1 changed files with 21 additions and 22 deletions
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43
src/hb-ot-var-gvar-table.hh
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@ -306,7 +306,7 @@ struct GlyphVarData
uint16_t count = *p++;
if (count & POINTS_ARE_WORDS)
{
if (!check.in_range (p)) return false;
if (unlikely (!check.in_range (p))) return false;
count = ((count & POINT_RUN_COUNT_MASK) << 8) | *p++;
}
points.resize (count);
@ -315,7 +315,7 @@ struct GlyphVarData
uint16_t i = 0;
while (i < count)
{
if (!check.in_range (p)) return false;
if (unlikely (!check.in_range (p))) return false;
uint16_t j;
uint8_t control = *p++;
uint16_t run_count = (control & POINT_RUN_COUNT_MASK) + 1;
@ -323,7 +323,8 @@ struct GlyphVarData
{
for (j = 0; j < run_count && i < count; j++, i++)
{
if (!check.in_range ((const HBUINT16 *)p)) return false;
if (unlikely (!check.in_range ((const HBUINT16 *) p)))
return false;
n += *(const HBUINT16 *)p;
points[i] = n;
p += HBUINT16::static_size;
@ -333,7 +334,7 @@ struct GlyphVarData
{
for (j = 0; j < run_count && i < count; j++, i++)
{
if (!check.in_range (p)) return false;
if (unlikely (!check.in_range (p))) return false;
n += *p++;
points[i] = n;
}
@ -358,7 +359,7 @@ struct GlyphVarData
unsigned int count = deltas.length;
while (i < count)
{
if (!check.in_range (p)) return false;
if (unlikely (!check.in_range (p))) return false;
uint8_t control = *p++;
unsigned int run_count = (control & DELTA_RUN_COUNT_MASK) + 1;
unsigned int j;
@ -368,7 +369,7 @@ struct GlyphVarData
else if (control & DELTAS_ARE_WORDS)
for (j = 0; j < run_count && i < count; j++, i++)
{
if (!check.in_range ((const HBUINT16 *)p))
if (unlikely (!check.in_range ((const HBUINT16 *) p)))
return false;
deltas[i] = *(const HBINT16 *) p;
p += HBUINT16::static_size;
@ -376,7 +377,7 @@ struct GlyphVarData
else
for (j = 0; j < run_count && i < count; j++, i++)
{
if (!check.in_range (p))
if (unlikely (!check.in_range (p)))
return false;
deltas[i] = *(const HBINT8 *) p++;
}
@ -404,8 +405,8 @@ struct gvar
return_trace (c->check_struct (this) && (version.major == 1) &&
(glyphCount == c->get_num_glyphs ()) &&
c->check_array (&(this+sharedTuples), axisCount * sharedTupleCount) &&
(is_long_offset ()?
c->check_array (get_long_offset_array (), glyphCount+1):
(is_long_offset () ?
c->check_array (get_long_offset_array (), glyphCount+1) :
c->check_array (get_short_offset_array (), glyphCount+1)) &&
c->check_array (((const HBUINT8*)&(this+dataZ)) + get_offset (0),
get_offset (glyphCount) - get_offset (0)));
@ -439,9 +440,9 @@ struct gvar
}
bool long_offset = subset_data_size & ~0xFFFFu;
out->flags = long_offset? 1: 0;
out->flags = long_offset ? 1 : 0;
HBUINT8 *subset_offsets = c->serializer->allocate_size<HBUINT8> ((long_offset? 4: 2) * (num_glyphs+1));
HBUINT8 *subset_offsets = c->serializer->allocate_size<HBUINT8> ((long_offset ? 4 : 2) * (num_glyphs + 1));
if (!subset_offsets) return_trace (false);
/* shared tuples */
@ -523,8 +524,6 @@ struct gvar
{
void init (hb_face_t *face)
{
memset (this, 0, sizeof (accelerator_t));
gvar_table = hb_sanitize_context_t ().reference_table<gvar> (face);
hb_blob_ptr_t<fvar> fvar_table = hb_sanitize_context_t ().reference_table<fvar> (face);
unsigned int axis_count = fvar_table->get_axis_count ();
@ -585,8 +584,8 @@ struct gvar
if (unlikely (coord_count != gvar_table->axisCount)) return false;
const GlyphVarData *var_data = gvar_table->get_glyph_var_data (glyph);
if (var_data == &Null(GlyphVarData)) return true;
hb_vector_t <unsigned int> shared_indices;
if (var_data == &Null (GlyphVarData)) return true;
hb_vector_t<unsigned int> shared_indices;
GlyphVarData::tuple_iterator_t iterator;
if (!GlyphVarData::get_tuple_iterator (var_data,
gvar_table->get_glyph_var_data_length (glyph),
@ -614,19 +613,19 @@ struct gvar
return false;
range_checker_t checker (p, 0, length);
hb_vector_t <unsigned int> private_indices;
hb_vector_t<unsigned int> private_indices;
if (iterator.current_tuple->has_private_points () &&
!GlyphVarData::unpack_points (p, private_indices, checker))
return false;
const hb_array_t<unsigned int> &indices = private_indices.length ? private_indices : shared_indices;
bool apply_to_all = (indices.length == 0);
bool apply_to_all = (indices.length == 0);
unsigned int num_deltas = apply_to_all ? points.length : indices.length;
hb_vector_t <int> x_deltas;
hb_vector_t<int> x_deltas;
x_deltas.resize (num_deltas);
if (!GlyphVarData::unpack_deltas (p, x_deltas, checker))
return false;
hb_vector_t <int> y_deltas;
hb_vector_t<int> y_deltas;
y_deltas.resize (num_deltas);
if (!GlyphVarData::unpack_deltas (p, y_deltas, checker))
return false;
@ -635,7 +634,7 @@ struct gvar
deltas[i].init ();
for (unsigned int i = 0; i < num_deltas; i++)
{
unsigned int pt_index = apply_to_all? i: indices[i];
unsigned int pt_index = apply_to_all ? i : indices[i];
deltas[pt_index].flag = 1; /* this point is referenced, i.e., explicit deltas specified */
deltas[pt_index].x += x_deltas[i] * scalar;
deltas[pt_index].y += y_deltas[i] * scalar;
@ -709,8 +708,8 @@ no_more_gaps:
{ return gvar_table->get_glyph_var_data (glyph); }
private:
hb_blob_ptr_t<gvar> gvar_table;
hb_vector_t<F2DOT14> shared_tuples;
hb_blob_ptr_t<gvar> gvar_table;
hb_vector_t<F2DOT14> shared_tuples;
};
protected: