add csrc code

csrc/fastdeploy/vision/detection/contrib/nanodet_plus_pybind.cc

@@ -0,0 +1,39 @@
+// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+//
+// 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.
+
+#include "fastdeploy/pybind/main.h"
+
+namespace fastdeploy {
+void BindNanoDetPlus(pybind11::module& m) {
+  pybind11::class_<vision::detection::NanoDetPlus, FastDeployModel>(
+      m, "NanoDetPlus")
+      .def(pybind11::init<std::string, std::string, RuntimeOption, Frontend>())
+      .def("predict",
+           [](vision::detection::NanoDetPlus& self, pybind11::array& data,
+              float conf_threshold, float nms_iou_threshold) {
+             auto mat = PyArrayToCvMat(data);
+             vision::DetectionResult res;
+             self.Predict(&mat, &res, conf_threshold, nms_iou_threshold);
+             return res;
+           })
+      .def_readwrite("size", &vision::detection::NanoDetPlus::size)
+      .def_readwrite("padding_value",
+                     &vision::detection::NanoDetPlus::padding_value)
+      .def_readwrite("keep_ratio", &vision::detection::NanoDetPlus::keep_ratio)
+      .def_readwrite("downsample_strides",
+                     &vision::detection::NanoDetPlus::downsample_strides)
+      .def_readwrite("max_wh", &vision::detection::NanoDetPlus::max_wh)
+      .def_readwrite("reg_max", &vision::detection::NanoDetPlus::reg_max);
+}
+}  // namespace fastdeploy