OpenCV PNG and JPG overlays

Char*bgfile ="c:/c_project/handtraining/debug/res/bg.jpg"; FILE*file = fopen (Bgfile,"R"); if(File = =NULL) {cout<<"bg.jpg file does not exist ..."<<Endl; return-1; }    Char*handfile ="C:/c_project/handtraining/debug/res/hand002.png"; File= fopen (Handfile,"R"); if(File = =NULL) {cout<<"hand0001.png file does not exist ..."<<Endl; return-1; } Mat Image=Imread (Bgfile); Mat Hand=Imread (Handfile); Mat Mask= Imread (Handfile,0); Mat Imageroi= Image (Rect ( -, -, Hand.cols, hand.rows));            Hand.copyto (Imageroi,mask); //addweighted (Imageroi, 1.0, hand, 0.3, 0, imageroi);Cv::imwrite ("c:/c_project/handtraining/debug/res/result.jpg", image); Imshow ("result", image);    Waitkey (); CV::d estroyallwindows ();

OpenCV PNG and JPG overlays