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// Copyright 2017 The Draco Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "draco/attributes/attribute_transform.h"
namespace draco {
bool AttributeTransform::TransferToAttribute(PointAttribute *attribute) const {
std::unique_ptr<AttributeTransformData> transform_data(
new AttributeTransformData());
this->CopyToAttributeTransformData(transform_data.get());
attribute->SetAttributeTransformData(std::move(transform_data));
return true;
}
std::unique_ptr<PointAttribute> AttributeTransform::InitTransformedAttribute(
const PointAttribute &src_attribute, int num_entries) {
const int num_components = GetTransformedNumComponents(src_attribute);
const DataType dt = GetTransformedDataType(src_attribute);
GeometryAttribute ga;
ga.Init(src_attribute.attribute_type(), nullptr, num_components, dt, false,
num_components * DataTypeLength(dt), 0);
std::unique_ptr<PointAttribute> transformed_attribute(new PointAttribute(ga));
transformed_attribute->Reset(num_entries);
transformed_attribute->SetIdentityMapping();
transformed_attribute->set_unique_id(src_attribute.unique_id());
return transformed_attribute;
}
} // namespace draco
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