opencv中添加按钮，复选框，单选框_opencv button c++

Mat img;
//灰度图
bool applyGray=false;
//blur均值滤波，median blur中值滤波
bool applyBlur=false;
//sebel提取图像轮廓
bool applySobel=false;


void applyFilters(){
    Mat result;
    img.copyTo(result);
    if(applyGray){
        cvtColor(result,result,COLOR_BGR2GRAY);
    }
    if(applyBlur){
        blur(result,result,Size(5,5));
    }
    if(applySobel){
        Sobel(result,result,CV_8U,1,1);
    }
    imshow("me",result);
}

void grayCallback(int state,void* userData){
    applyGray = true;
    applyFilters();
}
void bgrCallback(int state,void* userData){
    applyGray = false;
    applyFilters();
}
void blurCallback(int state,void* userData){
    applyBlur = (bool)state;
    applyFilters();
}
void sobelCallback(int state,void* userData){
    applySobel = !applySobel;
    applyFilters();
}

    img = imread("../../Data/imagedata/gg.jpg");
    namedWindow("me");
    createButton("Blur",blurCallback,NULL,QT_CHECKBOX,0);
    createButton("Gray",grayCallback,NULL,QT_RADIOBOX,0);
    createButton("RGB",bgrCallback,NULL,QT_RADIOBOX,1);
    createButton("Sobel",sobelCallback,NULL,QT_PUSH_BUTTON,0);
    waitKey(0);
    destroyWindow("me");
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