[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>
2025-10-06 09:07:10 +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/detection/ppdet/model.cs
+++ b/csharp/fastdeploy/vision/detection/ppdet/model.cs
@@ -0,0 +1,94 @@
+// 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 detection {
+
+public class PPYOLOE {
+
+  public PPYOLOE(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_ppyoloe_wrapper =
+        FD_C_CreatesPPYOLOEWrapper(model_file, params_file, config_file,
+                                   custom_option.GetWrapperPtr(), model_format);
+  }
+
+  ~PPYOLOE() { FD_C_DestroyPPYOLOEWrapper(fd_ppyoloe_wrapper); }
+
+  public DetectionResult Predict(Mat img) {
+    IntPtr fd_detection_result_wrapper_ptr =
+        FD_C_CreateDetectionResultWrapper();
+    FD_C_PPYOLOEWrapperPredict(fd_ppyoloe_wrapper, img.CvPtr,
+                               fd_detection_result_wrapper_ptr);  // predict
+    IntPtr fd_detection_result_ptr = FD_C_DetectionResultWrapperGetData(
+        fd_detection_result_wrapper_ptr);  // get result from wrapper
+    FD_DetectionResult fd_detection_result =
+        (FD_DetectionResult)Marshal.PtrToStructure(fd_detection_result_ptr,
+                                                   typeof(FD_DetectionResult));
+    DetectionResult detection_result =
+        ConvertResult.ConvertCResultToDetectionResult(fd_detection_result);
+    FD_C_DestroyDetectionResultWrapper(
+        fd_detection_result_wrapper_ptr);  // free fd_detection_result_wrapper_ptr
+    FD_C_DestroyDetectionResult(
+        fd_detection_result_ptr);  // free fd_detection_result_ptr
+    return detection_result;
+  }
+
+  // below are underlying C api
+  private IntPtr fd_ppyoloe_wrapper;
+  [DllImport("fastdeploy.dll", EntryPoint = "FD_C_CreatesPPYOLOEWrapper")]
+  private static extern IntPtr FD_C_CreatesPPYOLOEWrapper(
+      string model_file, string params_file, string config_file,
+      IntPtr fd_runtime_option_wrapper, ModelFormat model_format);
+  [DllImport("fastdeploy.dll", EntryPoint = "FD_C_DestroyPPYOLOEWrapper")]
+  private static extern void
+  FD_C_DestroyPPYOLOEWrapper(IntPtr fd_ppyoloe_wrapper);
+  [DllImport("fastdeploy.dll", EntryPoint = "FD_C_PPYOLOEWrapperPredict")]
+  private static extern bool
+  FD_C_PPYOLOEWrapperPredict(IntPtr fd_ppyoloe_wrapper, IntPtr img,
+                             IntPtr fd_detection_result_wrapper);
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_CreateDetectionResultWrapper")]
+  private static extern IntPtr FD_C_CreateDetectionResultWrapper();
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_DestroyDetectionResultWrapper")]
+  private static extern void
+  FD_C_DestroyDetectionResultWrapper(IntPtr fd_detection_result_wrapper);
+  [DllImport("fastdeploy.dll", EntryPoint = "FD_C_DestroyDetectionResult")]
+  private static extern void
+  FD_C_DestroyDetectionResult(IntPtr fd_detection_result);
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_DetectionResultWrapperGetData")]
+  private static extern IntPtr
+  FD_C_DetectionResultWrapperGetData(IntPtr fd_detection_result_wrapper);
+  [DllImport("fastdeploy.dll",
+             EntryPoint = "FD_C_CreateDetectionResultWrapperFromData")]
+  private static extern IntPtr
+  FD_C_CreateDetectionResultWrapperFromData(IntPtr fd_detection_result);
+}
+}
+}
+}