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fix rebase errors

This commit is contained in:
Michiharu Ariza 2019-03-29 18:39:27 -07:00
parent 1ccb457cbb
commit 8fdb8fcf80
2 changed files with 54 additions and 86 deletions
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21
src/hb-ot-layout-common.hh
View File

@ -1754,10 +1754,23 @@ struct VarData
TRACE_SUBSET (this);
if (unlikely (!c->extend_min (*this))) return_trace (false);
itemCount.set (remap.get_count ());
shortCount.set (src->shortCount);
/* Optimize short count */
unsigned int short_count = src->shortCount;
for (; short_count > 0; short_count--)
for (unsigned int i = 0; i < remap.get_count (); i++)
{
unsigned int old = remap.to_old (i);
if (unlikely (old >= src->itemCount)) return_trace (false);
int16_t delta = src->get_item_delta (old, short_count - 1);
if (delta < -128 || 127 < delta) goto found_short;
}
found_short:
shortCount.set (short_count);
regionIndices.len.set (src->regionIndices.len);
unsigned int row_size = src->get_row_size ();
unsigned int size = src->regionIndices.get_size () - HBUINT16::static_size/*regionIndices.len*/ + (row_size * remap.get_count ());
unsigned int size = src->regionIndices.get_size () - HBUINT16::static_size/*regionIndices.len*/ + (get_row_size () * itemCount);
if (unlikely (!c->allocate_size<HBUINT8> (size)))
return_trace (false);
@ -1862,7 +1875,7 @@ struct VariationStore
.serialize (c, &(src+src->dataSets[i]), inner_remaps[i])))
return_trace (false);
}
return_trace (true);
}

119
src/hb-ot-var-gvar-table.hh
View File

@ -227,6 +227,19 @@ struct GlyphVarData
current_tuple = &var_data->get_tuple_var_header ();
data_offset = 0;
}
bool get_shared_indices (hb_vector_t<unsigned int> &shared_indices /* OUT */)
{
if (var_data->has_shared_point_numbers ())
{
range_checker_t checker (var_data, 0, length);
const HBUINT8 *base = &(var_data+var_data->data);
const HBUINT8 *p = base;
if (!unpack_points (p, shared_indices, checker)) return false;
data_offset = p - base;
}
return true;
}
bool is_valid () const
{
@ -380,7 +393,7 @@ struct GlyphVarData
TupleVarCount tupleVarCount;
OffsetTo<HBUINT8> data;
/* TupleVarHeader tupleVarHeaders[] */
public:
DEFINE_SIZE_MIN (4);
};
@ -461,7 +474,7 @@ struct gvar
((HBUINT32 *)subset_offsets)[gid].set (glyph_offset);
else
((HBUINT16 *)subset_offsets)[gid].set (glyph_offset / 2);
if (length > 0) memcpy (subset_data, get_glyph_var_data (old_gid), length);
subset_data += length;
glyph_offset += length;
@ -537,24 +550,34 @@ struct gvar
shared_tuples.fini ();
}
protected:
typedef glyf::accelerator_t glyf_acc_t;
private:
struct x_getter { static float get (const contour_point_t &p) { return p.x; } };
struct y_getter { static float get (const contour_point_t &p) { return p.y; } };
static float infer_delta (float target_val, float pre_val, float fol_val,
float pre_delta, float fol_delta)
template <typename T>
static float infer_delta (const hb_array_t<contour_point_t> points,
const hb_array_t<contour_point_t> deltas,
unsigned int target, unsigned int prev, unsigned int next)
{
if (pre_val == fol_val)
return (pre_delta == fol_delta)? pre_delta: 0.f;
else if (target_val <= MIN (pre_val, fol_val))
return (pre_val < fol_val) ? pre_delta: fol_delta;
else if (target_val >= MAX (pre_val, fol_val))
return (pre_val > fol_val)? pre_delta: fol_delta;
float target_val = T::get (points[target]);
float prev_val = T::get (points[prev]);
float next_val = T::get (points[next]);
float prev_delta = T::get (deltas[prev]);
float next_delta = T::get (deltas[next]);
if (prev_val == next_val)
return (prev_delta == next_delta)? prev_delta: 0.f;
else if (target_val <= MIN (prev_val, next_val))
return (prev_val < next_val) ? prev_delta: next_delta;
else if (target_val >= MAX (prev_val, next_val))
return (prev_val > next_val)? prev_delta: next_delta;
/* linear interpolation */
float r = (target_val - pre_val) / (fol_val - pre_val);
return (1.f - r) * pre_delta + r * fol_delta;
float r = (target_val - prev_val) / (next_val - prev_val);
return (1.f - r) * prev_delta + r * next_delta;
}
public:
bool apply_deltas_to_points (hb_codepoint_t glyph,
const int *coords, unsigned int coord_count,
const hb_array_t<contour_point_t> points,
@ -659,75 +682,7 @@ struct gvar
unsigned int get_axis_count () const { return gvar_table->axisCount; }
protected:
static float infer_delta (float target_val, float prev_val, float next_val,
float prev_delta, float next_delta)
{
if (prev_val == next_val)
return (prev_delta == next_delta)? prev_delta: 0.f;
else if (target_val <= MIN (prev_val, next_val))
return (prev_val < next_val) ? prev_delta: next_delta;
else if (target_val >= MAX (prev_val, next_val))
return (prev_val > next_val)? prev_delta: next_delta;
/* linear interpolation */
float r = (target_val - prev_val) / (next_val - prev_val);
return (1.f - r) * prev_delta + r * next_delta;
}
public:
float get_advance_var (hb_codepoint_t glyph,
const int *coords, unsigned int coord_count,
bool vertical) const
{
float advance = 0.f;
if (coord_count != gvar_table->axisCount) return advance;
hb_vector_t<contour_point_t> points;
points.resize (glyf_acc_t::PHANTOM_COUNT);
if (!get_var_metrics (glyph, coords, coord_count, points))
return advance;
if (vertical)
return -(points[glyf_acc_t::PHANTOM_BOTTOM].y - points[glyf_acc_t::PHANTOM_TOP].y); // is this sign correct?
else
return points[glyf_acc_t::PHANTOM_RIGHT].x - points[glyf_acc_t::PHANTOM_LEFT].x;
}
bool get_extents (hb_font_t *font, hb_codepoint_t glyph,
hb_glyph_extents_t *extents) const
{
unsigned int coord_count;
const int *coords = hb_font_get_var_coords_normalized (font, &coord_count);
if (!coords || coord_count != gvar_table->axisCount) return false; /* fallback on glyf */
bounds_t bounds;
if (unlikely (!get_bounds_var (glyph, coords, coord_count, bounds))) return false;
if (bounds.min.x >= bounds.max.x)
{
extents->width = 0;
extents->x_bearing = 0;
}
else
{
extents->x_bearing = (int32_t)floorf (bounds.min.x);
extents->width = (int32_t)ceilf (bounds.max.x) - extents->x_bearing;
}
if (bounds.min.y >= bounds.max.y)
{
extents->height = 0;
extents->y_bearing = 0;
}
else
{
extents->y_bearing = (int32_t)ceilf (bounds.max.y);
extents->height = (int32_t)floorf (bounds.min.y) - extents->y_bearing;
}
return true;
}
protected:
const GlyphVarData *get_glyph_var_data (hb_codepoint_t glyph) const
{ return gvar_table->get_glyph_var_data (glyph); }