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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/core/draco_test_base.h"
#include "draco/core/draco_test_utils.h"
#include "draco/point_cloud/point_cloud.h"
namespace {
class PointCloudTest : public ::testing::Test {
protected:
PointCloudTest() {}
};
TEST_F(PointCloudTest, TestAttributeDeletion) {
draco::PointCloud pc;
// Test whether we can correctly delete an attribute from a point cloud.
// Create some attributes for the point cloud.
draco::GeometryAttribute pos_att;
pos_att.Init(draco::GeometryAttribute::POSITION, nullptr, 3,
draco::DT_FLOAT32, false, 12, 0);
draco::GeometryAttribute norm_att;
norm_att.Init(draco::GeometryAttribute::NORMAL, nullptr, 3, draco::DT_FLOAT32,
false, 12, 0);
draco::GeometryAttribute gen_att;
gen_att.Init(draco::GeometryAttribute::GENERIC, nullptr, 3, draco::DT_FLOAT32,
false, 12, 0);
// Add one position, two normal and two generic attributes.
pc.AddAttribute(pos_att, false, 0);
pc.AddAttribute(gen_att, false, 0);
pc.AddAttribute(norm_att, false, 0);
pc.AddAttribute(gen_att, false, 0);
pc.AddAttribute(norm_att, false, 0);
ASSERT_EQ(pc.num_attributes(), 5);
ASSERT_EQ(pc.attribute(0)->attribute_type(),
draco::GeometryAttribute::POSITION);
ASSERT_EQ(pc.attribute(3)->attribute_type(),
draco::GeometryAttribute::GENERIC);
// Delete generic attribute.
pc.DeleteAttribute(1);
ASSERT_EQ(pc.num_attributes(), 4);
ASSERT_EQ(pc.attribute(1)->attribute_type(),
draco::GeometryAttribute::NORMAL);
ASSERT_EQ(pc.NumNamedAttributes(draco::GeometryAttribute::NORMAL), 2);
ASSERT_EQ(pc.GetNamedAttributeId(draco::GeometryAttribute::NORMAL, 1), 3);
// Delete the first normal attribute.
pc.DeleteAttribute(1);
ASSERT_EQ(pc.num_attributes(), 3);
ASSERT_EQ(pc.attribute(1)->attribute_type(),
draco::GeometryAttribute::GENERIC);
ASSERT_EQ(pc.NumNamedAttributes(draco::GeometryAttribute::NORMAL), 1);
ASSERT_EQ(pc.GetNamedAttributeId(draco::GeometryAttribute::NORMAL, 0), 2);
}
TEST_F(PointCloudTest, TestPointCloudWithMetadata) {
draco::PointCloud pc;
std::unique_ptr<draco::GeometryMetadata> metadata =
std::unique_ptr<draco::GeometryMetadata>(new draco::GeometryMetadata());
// Add a position attribute metadata.
draco::GeometryAttribute pos_att;
pos_att.Init(draco::GeometryAttribute::POSITION, nullptr, 3,
draco::DT_FLOAT32, false, 12, 0);
const uint32_t pos_att_id = pc.AddAttribute(pos_att, false, 0);
ASSERT_EQ(pos_att_id, 0);
std::unique_ptr<draco::AttributeMetadata> pos_metadata =
std::unique_ptr<draco::AttributeMetadata>(new draco::AttributeMetadata());
pos_metadata->AddEntryString("name", "position");
pc.AddAttributeMetadata(pos_att_id, std::move(pos_metadata));
const draco::GeometryMetadata *pc_metadata = pc.GetMetadata();
ASSERT_NE(pc_metadata, nullptr);
// Add a generic material attribute metadata.
draco::GeometryAttribute material_att;
material_att.Init(draco::GeometryAttribute::GENERIC, nullptr, 3,
draco::DT_FLOAT32, false, 12, 0);
const uint32_t material_att_id = pc.AddAttribute(material_att, false, 0);
ASSERT_EQ(material_att_id, 1);
std::unique_ptr<draco::AttributeMetadata> material_metadata =
std::unique_ptr<draco::AttributeMetadata>(new draco::AttributeMetadata());
material_metadata->AddEntryString("name", "material");
// The material attribute has id of 1 now.
pc.AddAttributeMetadata(material_att_id, std::move(material_metadata));
// Test if the attribute metadata is correctly added.
const draco::AttributeMetadata *requested_pos_metadata =
pc.GetAttributeMetadataByStringEntry("name", "position");
ASSERT_NE(requested_pos_metadata, nullptr);
const draco::AttributeMetadata *requested_mat_metadata =
pc.GetAttributeMetadataByStringEntry("name", "material");
ASSERT_NE(requested_mat_metadata, nullptr);
// Attribute id should be preserved.
ASSERT_EQ(
pc.GetAttributeIdByUniqueId(requested_pos_metadata->att_unique_id()), 0);
ASSERT_EQ(
pc.GetAttributeIdByUniqueId(requested_mat_metadata->att_unique_id()), 1);
// Test deleting attribute with metadata.
pc.DeleteAttribute(pos_att_id);
ASSERT_EQ(pc.GetAttributeMetadataByStringEntry("name", "position"), nullptr);
requested_mat_metadata =
pc.GetAttributeMetadataByStringEntry("name", "material");
// The unique id should not be changed.
ASSERT_EQ(requested_mat_metadata->att_unique_id(), 1);
// Now position attribute is removed, material attribute should have the
// attribute id of 0.
ASSERT_EQ(
pc.GetAttributeIdByUniqueId(requested_mat_metadata->att_unique_id()), 0);
// Should be able to get metadata using the current attribute id.
// Attribute id of material attribute is changed from 1 to 0.
ASSERT_NE(pc.GetAttributeMetadataByAttributeId(0), nullptr);
}
} // namespace
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