Method getBoundingRect

CvPlot/examples/examples_core.cpp:302–305

            cv::rectangle(renderTarget.innerMat(), cv::Rect2d(p1, p2), cv::Scalar(0, 0, 255), 3);
        }
        bool getBoundingRect(cv::Rect2d &rect) override {
            rect = _rect;
            return true;
        }
    };
    Axes axes = makePlotAxes();
    axes.create<MyRect>();