// Copyright 2023 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.

syntax = "proto3";

package mediapipe;

message FaceToRectCalculatorOptions {
  // The number of landmarks for each eye.
  int32 eye_landmark_size = 1;

  // The number of landmarks for nose.
  int32 nose_landmark_size = 2;

  // The number of landmarks for mouth.
  int32 mouth_landmark_size = 3;

  // Coefficient to compute center by mixing eye center and mouth center.
  // Suggest values:
  // - human face: 0.1
  // - cartoon face: 0.2
  float eye_to_mouth_mix = 4;

  // The scale transforms eye-mouth distance to crop size.
  // Suggest values:
  // - human face landmarks: 3.6 (100%)
  // - human face detection: 3.42 (95%)
  float eye_to_mouth_scale = 5;

  // The scale transforms eye-eye distance to crop size.
  // Suggest values:
  // - human face landmarks: 4.0 (100%)
  // - human face detection: 3.8 (95%)
  // - cartoon face landmarks: 3.0 (75%)
  float eye_to_eye_scale = 6;
}
