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i want to convert a value of a Point to string, so that i could print the location of that Point on an image.

i am suppose to use this

putText(image, to_string("this is string"), maxLoc,FONT_HERSHEY_COMPLEX_SMALL, 0.8, cvScalar(255, 255, 204), 1, CV_AA);

i tried to replace it, and make it to below, and it failed. It work if i just to_string a integer variable

putText(image, to_string(point_variable), maxLoc,FONT_HERSHEY_COMPLEX_SMALL, 0.8, cvScalar(255, 255, 204), 1, CV_AA);