[C# api] add c sharp api for fastdeploy (#1246)

* add c sharp api for fastdeploy * update accroding to c apis * add cmakelist for c sharp api * add cmakelists for c sharp * fix cmakelists * fix cmakelists * add c sharp api for fastdeploy * add ppyoloe demo * add ppyoloe demo * modify demo namespace code * add readme * fix format * format code * fix doc --------- Co-authored-by: heliqi <1101791222@qq.com>
2025-10-08 10:00:29 +08:00 · 2023-02-15 14:27:31 +08:00
parent e12091f343
commit f43ff32752
15 changed files with 1600 additions and 1 deletions
--- a/csharp/fastdeploy/vision/classification/ppcls/model.cs
+++ b/csharp/fastdeploy/vision/classification/ppcls/model.cs
@@ -0,0 +1,100 @@
+// Copyright (c) 2023 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.
+
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Collections.Generic;
+using OpenCvSharp;
+using fastdeploy.types_internal_c;
+
+namespace fastdeploy {
+namespace vision {
+namespace classification {
+
+class PaddleClasModel {
+
+  public PaddleClasModel(string model_file, string params_file,
+                         string config_file, RuntimeOption custom_option = null,
+                         ModelFormat model_format = ModelFormat.PADDLE) {
+    if (custom_option == null) {
+      custom_option = new RuntimeOption();
+    }
+    fd_paddleclas_model_wrapper = FD_C_CreatePaddleClasModelWrapper(
+        model_file, params_file, config_file, custom_option.GetWrapperPtr(),
+        model_format);
+  }
+
+  ~PaddleClasModel() {
+    FD_C_DestroyPaddleClasModelWrapper(fd_paddleclas_model_wrapper);
+  }
+
+  public ClassifyResult Predict(Mat img) {
+    IntPtr fd_classify_result_wrapper_ptr = FD_C_CreateClassifyResultWrapper();
+    FD_C_PaddleClasModelWrapperPredict(
+        fd_paddleclas_model_wrapper, img.CvPtr,
+        fd_classify_result_wrapper_ptr);  // predict
+    IntPtr fd_classify_result_ptr = FD_C_ClassifyResultWrapperGetData(
+        fd_classify_result_wrapper_ptr);  // get result from wrapper
+    FD_ClassifyResult fd_classify_result =
+        (FD_ClassifyResult)Marshal.PtrToStructure(fd_classify_result_ptr,
+                                                  typeof(FD_ClassifyResult));
+    ClassifyResult classify_result =
+        ConvertResult.ConvertCResultToClassifyResult(fd_classify_result);
+    FD_C_DestroyClassifyResultWrapper(
+        fd_classify_result_wrapper_ptr);  // free fd_classify_result_wrapper_ptr
+    FD_C_DestroyClassifyResult(
+        fd_classify_result_ptr);  // free fd_classify_result_ptr
+    return classify_result;
+  }
+
+  // below are underlying C api
+  private IntPtr fd_paddleclas_model_wrapper;
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_CreatePaddleClasModelWrapper")]
+  private static extern IntPtr FD_C_CreatePaddleClasModelWrapper(
+      string model_file, string params_file, string config_file,
+      IntPtr fd_runtime_option_wrapper, ModelFormat model_format);
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_DestroyPaddleClasModelWrapper")]
+  private static extern void
+  FD_C_DestroyPaddleClasModelWrapper(IntPtr fd_paddleclas_model_wrapper);
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_PaddleClasModelWrapperPredict")]
+  private static extern bool
+  FD_C_PaddleClasModelWrapperPredict(IntPtr fd_paddleclas_model_wrapper,
+                                     IntPtr img,
+                                     IntPtr fd_classify_result_wrapper);
+  [DllImport("fastdeploy.dll", EntryPoint = "FD_C_CreateClassifyResultWrapper")]
+  private static extern IntPtr FD_C_CreateClassifyResultWrapper();
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_DestroyClassifyResultWrapper")]
+  private static extern void
+  FD_C_DestroyClassifyResultWrapper(IntPtr fd_classify_result_wrapper);
+  [DllImport("fastdeploy.dll", EntryPoint = "FD_C_DestroyClassifyResult")]
+  private static extern void
+  FD_C_DestroyClassifyResult(IntPtr fd_classify_result);
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_ClassifyResultWrapperGetData")]
+  private static extern IntPtr
+  FD_C_ClassifyResultWrapperGetData(IntPtr fd_classify_result_wrapper);
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_CreateClassifyResultWrapperFromData")]
+  private static extern IntPtr
+  FD_C_CreateClassifyResultWrapperFromData(IntPtr fd_classify_result);
+}
+
+}
+}
+}