first commit

nodes/osd/vp_face_osd_node.cpp

@@ -0,0 +1,48 @@
+
+#include <opencv2/imgproc.hpp>
+#include "vp_face_osd_node.h"
+
+namespace vp_nodes {
+        
+    vp_face_osd_node::vp_face_osd_node(std::string node_name): vp_node(node_name) {
+        this->initialized();
+    }
+    
+    vp_face_osd_node::~vp_face_osd_node() {
+        deinitialized();
+    }
+
+    std::shared_ptr<vp_objects::vp_meta> vp_face_osd_node::handle_frame_meta(std::shared_ptr<vp_objects::vp_frame_meta> meta) {
+        // operations on osd_frame
+        if (meta->osd_frame.empty()) {
+            meta->osd_frame = meta->frame.clone();
+        }
+        auto& canvas = meta->osd_frame;
+        
+        // scan face targets
+        for(auto& i : meta->face_targets) {
+            cv::rectangle(canvas, cv::Rect(i->x, i->y, i->width, i->height), cv::Scalar(0, 255, 0), 2);
+
+            // track_id
+            if (i->track_id != -1) {
+                auto id = std::to_string(i->track_id);
+                cv::putText(canvas, id, cv::Point(i->x, i->y), 1, 1.5, cv::Scalar(0, 0, 255));
+            }
+
+            // just handle 5 keypoints
+            if (i->key_points.size() >= 5) {
+                cv::circle(canvas, cv::Point(i->key_points[0].first, i->key_points[0].second), 2, cv::Scalar(255, 0, 0), 2);
+                cv::circle(canvas, cv::Point(i->key_points[1].first, i->key_points[1].second), 2, cv::Scalar(0, 0, 255), 2);
+                cv::circle(canvas, cv::Point(i->key_points[2].first, i->key_points[2].second), 2, cv::Scalar(0, 255, 0), 2);
+                cv::circle(canvas, cv::Point(i->key_points[3].first, i->key_points[3].second), 2, cv::Scalar(255, 0, 255), 2);
+                cv::circle(canvas, cv::Point(i->key_points[4].first, i->key_points[4].second), 2, cv::Scalar(0, 255, 255), 2);
+            }
+        }
+
+        return meta;
+    }
+
+    std::shared_ptr<vp_objects::vp_meta> vp_face_osd_node::handle_control_meta(std::shared_ptr<vp_objects::vp_control_meta> meta) {
+        return meta;
+    }
+}