OpenCV 图片简单合成 and 解决C++多层循环跳出问题

#include"OpenCVLib.hpp"
using namespace cv;

int main(){

Mat m1 = imread("p1.jpg");
namedWindow("m1");
imshow("m1",m1);

Mat m2 = imread("t3.jpg");
namedWindow("m2");
imshow("m2",m2);

// Mat m3 = imread("p2.jpg");
// namedWindow("m3");
// imshow("m3",m3);

//Mat imgROI = m1(Rect(0,0,m2.cols,m2.rows));

//imgROI = image(Range(350,350+m1.rows),Range(800,800+m1.cols));
// addWeighted(imgROI,0.5,m2,0.3,0.2,imgROI);
// addWeighted(imgROI,1.0,m2,0.3,0.2,imgROI);
// addWeighted(imgROI,0,m2,0.3,0.2,imgROI);

// imgROI = m1(Rect(m2.cols,0,m2.cols,m2.rows));
// addWeighted(imgROI,0.6,m2,0.3,0.2,imgROI);
Mat imgROI;
int col_length = m1.cols/m2.cols;
int row_height = m1.rows/m2.rows;
int result = 0;
bool bf = true;
for(int i=0;i<row_height&&bf;i++){

for(int j=0;j<col_length&&bf;j++){
result = j+i*row_height;
if(result > 10){
// goto end;
bf = false;
}
imgROI = m1(Rect(m2.cols*j,m2.rows*i,m2.cols,m2.rows));
addWeighted(imgROI,0.1*result,m2,0.3,0.2,imgROI);

}

}
// end:

namedWindow("mixed");
imshow("mixed",m1);

waitKey(0);

}