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// Copyright 2016 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/compression/point_cloud/point_cloud_sequential_decoder.h"
#include "draco/compression/point_cloud/point_cloud_sequential_encoder.h"
#include "draco/core/draco_test_base.h"
#include "draco/core/draco_test_utils.h"
#include "draco/io/obj_decoder.h"
namespace draco {
class PointCloudSequentialEncodingTest : public ::testing::Test {
protected:
std::unique_ptr<PointCloud> EncodeAndDecodePointCloud(const PointCloud *pc) {
EncoderBuffer buffer;
PointCloudSequentialEncoder encoder;
EncoderOptions options = EncoderOptions::CreateDefaultOptions();
encoder.SetPointCloud(*pc);
if (!encoder.Encode(options, &buffer).ok())
return nullptr;
DecoderBuffer dec_buffer;
dec_buffer.Init(buffer.data(), buffer.size());
PointCloudSequentialDecoder decoder;
std::unique_ptr<PointCloud> out_pc(new PointCloud());
DecoderOptions dec_options;
if (!decoder.Decode(dec_options, &dec_buffer, out_pc.get()).ok())
return nullptr;
return out_pc;
}
void TestEncoding(const std::string &file_name) {
std::unique_ptr<PointCloud> pc = ReadPointCloudFromTestFile(file_name);
ASSERT_NE(pc, nullptr);
std::unique_ptr<PointCloud> decoded_pc =
EncodeAndDecodePointCloud(pc.get());
ASSERT_NE(decoded_pc.get(), nullptr);
ASSERT_EQ(decoded_pc->num_points(), pc->num_points());
}
};
TEST_F(PointCloudSequentialEncodingTest, DoesEncodeAndDecode) {
TestEncoding("test_nm.obj");
}
TEST_F(PointCloudSequentialEncodingTest, EncodingPointCloudWithMetadata) {
std::unique_ptr<PointCloud> pc = ReadPointCloudFromTestFile("test_nm.obj");
ASSERT_NE(pc, nullptr);
// Add metadata to point cloud.
std::unique_ptr<GeometryMetadata> metadata =
std::unique_ptr<GeometryMetadata>(new GeometryMetadata());
const uint32_t pos_att_id =
pc->GetNamedAttributeId(GeometryAttribute::POSITION);
std::unique_ptr<AttributeMetadata> pos_metadata =
std::unique_ptr<AttributeMetadata>(new AttributeMetadata());
pos_metadata->AddEntryString("name", "position");
pc->AddAttributeMetadata(pos_att_id, std::move(pos_metadata));
std::unique_ptr<PointCloud> decoded_pc = EncodeAndDecodePointCloud(pc.get());
ASSERT_NE(decoded_pc.get(), nullptr);
const GeometryMetadata *const pc_metadata = decoded_pc->GetMetadata();
ASSERT_NE(pc_metadata, nullptr);
// Test getting attribute metadata by id.
ASSERT_NE(pc->GetAttributeMetadataByAttributeId(pos_att_id), nullptr);
// Test getting attribute metadata by entry name value pair.
const AttributeMetadata *const requested_att_metadata =
pc_metadata->GetAttributeMetadataByStringEntry("name", "position");
ASSERT_NE(requested_att_metadata, nullptr);
ASSERT_EQ(requested_att_metadata->att_unique_id(),
pc->attribute(pos_att_id)->unique_id());
}
// TODO(ostava): Test the reusability of a single instance of the encoder and
// decoder class.
} // namespace draco
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