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infer gvar deltas for each region (not after accumulation)

This commit is contained in:
Michiharu Ariza 2019-04-02 11:24:29 -07:00
parent 2c31652c8a
commit ee58f6012e
1 changed files with 37 additions and 37 deletions
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8
src/hb-ot-var-gvar-table.hh
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@ -598,8 +598,6 @@ struct gvar
contour_point_vector_t deltas; /* flag is used to indicate referenced point */
deltas.resize (points.length);
for (unsigned int i = 0; i < deltas.length; i++)
deltas[i].init ();
do {
float scalar = iterator.current_tuple->calculate_scalar (coords, coord_count, shared_tuples.as_array ());
@ -627,6 +625,8 @@ struct gvar
if (!GlyphVarData::unpack_deltas (p, y_deltas, checker))
return false;
for (unsigned int i = 0; i < deltas.length; i++)
deltas[i].init ();
for (unsigned int i = 0; i < num_deltas; i++)
{
unsigned int pt_index = apply_to_all? i: indices[i];
@ -634,7 +634,6 @@ struct gvar
deltas[pt_index].x += x_deltas[i] * scalar;
deltas[pt_index].y += y_deltas[i] * scalar;
}
} while (iterator.move_to_next ());
/* infer deltas for unreferenced points */
contour_point_vector_t orig_points;
@ -670,12 +669,13 @@ struct gvar
start_point = end_point + 1;
}
/* apply accumulated / inferred deltas to points */
/* apply specified / inferred deltas to points */
for (unsigned int i = 0; i < points.length; i++)
{
points[i].x += deltas[i].x;
points[i].y += deltas[i].y;
}
} while (iterator.move_to_next ());
return true;
}