FaceDrawer.h

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#pragma once
#include <vector>
 
#include <opencv2/core/mat.hpp>
#include <opencv2/core/types.hpp>
 
 
 
namespace visualization {
    class Triangle
    {
    public:
        Triangle(int a, int b, int c) : A(a), B(b), C(c) {}
        int A; 
        int B; 
        int C; 
    };
 
    class FaceDrawer
    {
    public:
        FaceDrawer();
 
        ~FaceDrawer() = default;
 
        void loadTriangles(const std::string path);
 
        void loadTriangles(const std::vector<uchar>& faceVerticesFileContent);
 
        void draw(cv::Mat& image, const std::vector<cv::Point>& facialPoints);
 
        void drawMakeupMask(cv::Mat& referenceFace, const std::vector<cv::Point>& referenceFaceLandmark,
            cv::Mat& currentFace, const std::vector<cv::Point>& currentFaceLandmark);
 
    private:
        std::vector<Triangle> mTriangles; 
        
        std::vector<int> lipsOuter{
            61, 185, 40, 39, 37, 0, 267, 269, 270, 409, 291,
            375, 321, 405, 314, 17, 84, 181, 91, 146
        };
 
        
        std::vector<int> lipsInner{
            78, 191, 80, 81, 82, 13, 312, 311, 310, 415, 308,
            324, 318, 402, 317, 14, 87, 178, 88, 95
        };
 
    };
}//namespace visualization