first commit

nodes/osd/vp_text_osd_node.h

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+
+#pragma once
+#include <opencv2/imgproc.hpp>
+#include <opencv2/freetype.hpp>
+
+#include "../vp_node.h"
+
+namespace vp_nodes {
+    // on screen display(short as osd) node.
+    // mainly used to display vp_frame_text_target on frame.
+    class vp_text_osd_node: public vp_node
+    {
+    private:
+        // support chinese font
+        cv::Ptr<cv::freetype::FreeType2> ft2;
+    protected:
+        virtual std::shared_ptr<vp_objects::vp_meta> handle_frame_meta(std::shared_ptr<vp_objects::vp_frame_meta> meta) override;
+    public:
+        vp_text_osd_node(std::string node_name, std::string font);
+        ~vp_text_osd_node();
+    };
+
+}