mmdeploy/csrc/preprocess/cpu/crop_impl.cpp

// Copyright (c) OpenMMLab. All rights reserved.

#include "core/utils/device_utils.h"
#include "opencv_utils.h"
#include "preprocess/transform/crop.h"

using namespace std;

namespace mmdeploy {
namespace cpu {

class CenterCropImpl : public ::mmdeploy::CenterCropImpl {
 public:
  explicit CenterCropImpl(const Value& args) : ::mmdeploy::CenterCropImpl(args) {}

 protected:
  Result<Tensor> CropImage(const Tensor& tensor, int top, int left, int bottom,
                           int right) override {
    OUTCOME_TRY(auto src_tensor, MakeAvailableOnDevice(tensor, device_, stream_));

    SyncOnScopeExit(stream_, src_tensor.buffer() != tensor.buffer(), src_tensor);

    cv::Mat mat = Tensor2CVMat(src_tensor);
    cv::Mat cropped_mat = Crop(mat, top, left, bottom, right);
    return CVMat2Tensor(cropped_mat);
  }
};

class CenterCropImplCreator : public Creator<::mmdeploy::CenterCropImpl> {
 public:
  const char* GetName() const override { return "cpu"; }
  int GetVersion() const override { return 1; }
  ReturnType Create(const Value& args) override { return make_unique<CenterCropImpl>(args); }
};

}  // namespace cpu
}  // namespace mmdeploy

using ::mmdeploy::CenterCropImpl;
using ::mmdeploy::cpu::CenterCropImplCreator;

REGISTER_MODULE(CenterCropImpl, CenterCropImplCreator);