// 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.
#ifndef MEDIAPIPE_CALCULATORS_TENSOR_IMAGE_TO_TENSOR_CONVERTER_H_
#define MEDIAPIPE_CALCULATORS_TENSOR_IMAGE_TO_TENSOR_CONVERTER_H_
#include "mediapipe/calculators/tensor/image_to_tensor_utils.h"
#include "mediapipe/framework/formats/image.h"
#include "mediapipe/framework/formats/tensor.h"
#include "mediapipe/framework/port/statusor.h"
namespace mediapipe {
struct Size {
int width;
int height;
};
// Converts image to tensor.
class ImageToTensorConverter {
public:
virtual ~ImageToTensorConverter() = default;
// Converts image to tensor.
// @image contains image to extract from.
// @roi describes region of interest within the image to extract (absolute
// values).
// @range_min/max describes output tensor range image pixels should converted
// to.
// @tensor_buffer_offset an inteter representing the offset of the tensor
// buffer the result should be written to.
// @output_tensor a tensor with pre-defined shape. The "Convert" is
// responsible of populating the content into the output tensor.
virtual absl::Status Convert(const mediapipe::Image& input,
const RotatedRect& roi, float range_min,
float range_max, int tensor_buffer_offset,
Tensor& output_tensor) = 0;
};
} // namespace mediapipe
#endif // MEDIAPIPE_CALCULATORS_TENSOR_IMAGE_TO_TENSOR_CONVERTER_H_