// Copyright 2019 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 = "proto2";

package mediapipe;

import "mediapipe/framework/calculator.proto";

message DetectionsToRectsCalculatorOptions {
  extend mediapipe.CalculatorOptions {
    optional DetectionsToRectsCalculatorOptions ext = 262691807;
  }

  // Specify the rotation angle of the output rect with a vector formed by
  // connecting two keypoints in the detection, together with the target angle
  // (can be in radians or in degrees) of that vector after rotation. The target
  // angle is counter-clockwise starting from the positive x-axis.
  optional int32 rotation_vector_start_keypoint_index = 1;
  optional int32 rotation_vector_end_keypoint_index = 2;
  optional float rotation_vector_target_angle = 3;          // In radians.
  optional float rotation_vector_target_angle_degrees = 4;  // In degrees.

  // Whether to output a zero-rect (with origin and size both zero) when the
  // input detection vector is empty.
  optional bool output_zero_rect_for_empty_detections = 5;

  enum ConversionMode {
    DEFAULT = 0;
    USE_BOUNDING_BOX = 1;
    USE_KEYPOINTS = 2;
  }

  optional ConversionMode conversion_mode = 6;
}