mediapipe-rs/mediapipe/modules/face_geometry/libs/mesh_3d_utils.cc
Victor Dudochkin 5578aa50e8 code fill
2022-03-01 19:04:01 +07:00

104 lines
3.0 KiB
C++

// Copyright 2020 The MediaPipe 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 "mediapipe/modules/face_geometry/libs/mesh_3d_utils.h"
#include <cstdint>
#include <cstdlib>
#include "mediapipe/framework/port/ret_check.h"
#include "mediapipe/framework/port/statusor.h"
#include "mediapipe/modules/face_geometry/protos/mesh_3d.pb.h"
namespace mediapipe::face_geometry {
namespace {
bool HasVertexComponentVertexPT(VertexComponent vertex_component) {
switch (vertex_component) {
case VertexComponent::POSITION:
case VertexComponent::TEX_COORD:
return true;
default:
return false;
}
}
uint32_t GetVertexComponentSizeVertexPT(VertexComponent vertex_component) {
switch (vertex_component) {
case VertexComponent::POSITION:
return 3;
case VertexComponent::TEX_COORD:
return 2;
}
}
uint32_t GetVertexComponentOffsetVertexPT(VertexComponent vertex_component) {
switch (vertex_component) {
case VertexComponent::POSITION:
return 0;
case VertexComponent::TEX_COORD:
return GetVertexComponentSizeVertexPT(VertexComponent::POSITION);
}
}
} // namespace
std::size_t GetVertexSize(Mesh3d::VertexType vertex_type) {
switch (vertex_type) {
case Mesh3d::VERTEX_PT:
return GetVertexComponentSizeVertexPT(VertexComponent::POSITION) +
GetVertexComponentSizeVertexPT(VertexComponent::TEX_COORD);
}
}
std::size_t GetPrimitiveSize(Mesh3d::PrimitiveType primitive_type) {
switch (primitive_type) {
case Mesh3d::TRIANGLE:
return 3;
}
}
bool HasVertexComponent(Mesh3d::VertexType vertex_type,
VertexComponent vertex_component) {
switch (vertex_type) {
case Mesh3d::VERTEX_PT:
return HasVertexComponentVertexPT(vertex_component);
}
}
absl::StatusOr<uint32_t> GetVertexComponentOffset(
Mesh3d::VertexType vertex_type, VertexComponent vertex_component) {
RET_CHECK(HasVertexComponentVertexPT(vertex_component))
<< "A given vertex type doesn't have the requested component!";
switch (vertex_type) {
case Mesh3d::VERTEX_PT:
return GetVertexComponentOffsetVertexPT(vertex_component);
}
}
absl::StatusOr<uint32_t> GetVertexComponentSize(
Mesh3d::VertexType vertex_type, VertexComponent vertex_component) {
RET_CHECK(HasVertexComponentVertexPT(vertex_component))
<< "A given vertex type doesn't have the requested component!";
switch (vertex_type) {
case Mesh3d::VERTEX_PT:
return GetVertexComponentSizeVertexPT(vertex_component);
}
}
} // namespace mediapipe::face_geometry