// Appends the master shapes from other to this.
// If not NULL, shape_map is set to map other shape_ids to this's shape_ids.
void ShapeTable::AppendMasterShapes(const ShapeTable& other,
GenericVector<int>* shape_map) {
if (shape_map != NULL)
shape_map->init_to_size(other.NumShapes(), -1);
for (int s = 0; s < other.shape_table_.size(); ++s) {
if (other.shape_table_[s]->destination_index() < 0) {
int index = AddShape(*other.shape_table_[s]);
if (shape_map != NULL)
(*shape_map)[s] = index;
}
}
}
// Expands all the classes/fonts in the shape individually to build
// a ShapeTable.
int ShapeTable::BuildFromShape(const Shape& shape,
const ShapeTable& master_shapes) {
BitVector shape_map(master_shapes.NumShapes());
for (int u_ind = 0; u_ind < shape.size(); ++u_ind) {
for (int f_ind = 0; f_ind < shape[u_ind].font_ids.size(); ++f_ind) {
int c = shape[u_ind].unichar_id;
int f = shape[u_ind].font_ids[f_ind];
int master_id = master_shapes.FindShape(c, f);
if (master_id >= 0) {
shape_map.SetBit(master_id);
} else if (FindShape(c, f) < 0) {
AddShape(c, f);
}
}
}
int num_masters = 0;
for (int s = 0; s < master_shapes.NumShapes(); ++s) {
if (shape_map[s]) {
AddShape(master_shapes.GetShape(s));
++num_masters;
}
}
return num_masters;
}