void cvInitFont(CvFont* font, int font_face, double hscale, double vscale, double shear, int thickness, int line_type) {
    void *fptr;

    fptr = dlsym(_Chcv_handle, "cvInitFont_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return;
    }
    dlrunfun(fptr, NULL, cvInitFont, font, font_face, hscale, vscale, shear, thickness, line_type);
}
