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