mindspore2022/mindspore/ccsrc/minddata/dataset/include/vision_ascend.h

/**
 * Copyright 2021 Huawei Technologies Co., Ltd
 *
 * 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 MINDSPORE_CCSRC_MINDDATA_DATASET_INCLUDE_VISION_ASCEND_H_
#define MINDSPORE_CCSRC_MINDDATA_DATASET_INCLUDE_VISION_ASCEND_H_

#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "include/api/status.h"
#include "minddata/dataset/include/constants.h"
#include "minddata/dataset/include/transforms.h"

namespace mindspore {
namespace dataset {

// Transform operations for performing computer vision.
namespace vision {

/* ##################################### API class ###########################################*/

class DvppDecodeResizeJpeg final : public TensorTransform {
 public:
  /// \brief Constructor.
  /// \param[in] resize A vector of int value for each dimension, w.r.t H,W order.
  explicit DvppDecodeResizeJpeg(std::vector<uint32_t> resize);

  /// \brief Destructor.
  ~DvppDecodeResizeJpeg() = default;

 protected:
  /// \brief Function to convert TensorTransform object into a TensorOperation object.
  /// \return Shared pointer to TensorOperation object.
  std::shared_ptr<TensorOperation> Parse() override;

  std::shared_ptr<TensorOperation> Parse(const MapTargetDevice &env) override;

 private:
  struct Data;
  std::shared_ptr<Data> data_;
};

class DvppDecodeResizeCropJpeg final : public TensorTransform {
 public:
  /// \brief Constructor.
  /// \param[in] crop A vector of int value for each dimension after final crop, w.r.t H,W order.
  /// \param[in] resize A vector of int value for each dimension after resize, w.r.t H,W order.
  explicit DvppDecodeResizeCropJpeg(std::vector<uint32_t> crop, std::vector<uint32_t> resize);

  /// \brief Destructor.
  ~DvppDecodeResizeCropJpeg() = default;

 protected:
  /// \brief Function to convert TensorTransform object into a TensorOperation object.
  /// \return Shared pointer to TensorOperation object.
  std::shared_ptr<TensorOperation> Parse() override;

  std::shared_ptr<TensorOperation> Parse(const MapTargetDevice &env) override;

 private:
  struct Data;
  std::shared_ptr<Data> data_;
};

class DvppDecodePng final : public TensorTransform {
 public:
  /// \brief Constructor.
  DvppDecodePng();

  /// \brief Destructor.
  ~DvppDecodePng() = default;

 protected:
  /// \brief Function to convert TensorTransform object into a TensorOperation object.
  /// \return Shared pointer to TensorOperation object.
  std::shared_ptr<TensorOperation> Parse() override;

  std::shared_ptr<TensorOperation> Parse(const MapTargetDevice &env) override;
};

}  // namespace vision
}  // namespace dataset
}  // namespace mindspore

#endif  // MINDSPORE_CCSRC_MINDDATA_DATASET_INCLUDE_VISION_ASCEND_H_